JP4049056B2 - Panel display - Google Patents

Description

  The present invention relates to a panel type display device including a lightweight and thin display panel module having a large display screen.

  Panel type display devices are light and thin, such as a plasma display panel (PDP), a liquid crystal display panel, or an electric luminescent light source display panel (PDP). Equipped with a display panel module, it achieves a larger display screen, lighter weight and thinner profile than conventional cathode ray tubes (CRT). For example, a color PDP display device realizes a large display screen of 50 inches or more, and has characteristics such as good image quality and a lightweight and thin shape that can be used as a wall-mounted type. It attracts attention as a broadcast receiver and various large display devices. (Patent Document 1)

  As is well known, a color PDP display device is composed of a front filter panel, a display panel body on which a large number of discharge cells are formed, and a drive unit combined with the back surface of the display panel body. Color emission display is performed by applying a pulse voltage between the arranged electrodes to generate ultraviolet rays by discharging, and irradiating this ultraviolet ray to the three primary color phosphor layers of red, green, and blue formed on the front filter panel. To. A color PDP display device does not require a high-voltage driving unit unlike a color CRT, and has a feature that it can be configured to be a light and thin and a large display screen as described above.

  Also, in the conventional panel type display device, the display panel module is generally housed in a rectangular frame-like casing called a bezel so that its display area faces outward from the rectangular opening, On the other hand, the front glass and the back cover member were combined. A large panel type display device is generally combined with a speaker box in which a plurality of speakers are arranged in the height direction on both sides of a display portion of a bezel. A panel type display device is also provided in which a speaker box is attached to a stand device and configured as a speaker unit independently of the device main body.

JP 2003-174692 A

  By the way, in the panel type display device, the bezel has an exterior function as well as a support function of the display panel module, and an outer peripheral portion provided with a display panel body mounting portion and the like by bordering the effective display area of the display panel module. It also has a blindfolding function. Therefore, in the panel type display device, the bezel is formed with sufficient mechanical strength and good finishing accuracy for holding a display panel module which is lighter than CRT but has a certain weight. There must be. In a panel type display device, a bezel generally has a complicated shape in which a display panel module, a front glass mounting portion, and the like are integrally formed, and is formed of a synthetic resin material in order to reduce weight.

  In panel type display devices, the larger the size, the larger the thickness and width of the bezel, and thus there is a problem of impressing the overall thickness despite the use of a thin display panel module. It was. In addition, the panel type display device has a problem that the shape of the bezel increases as the size of the display device increases, and the handling property at the time of assembling deteriorates and the assembling efficiency decreases.

  Further, in the panel type display device, an opaque black frame portion having a predetermined width is formed on the inner surface of the front glass so as to frame the effective display area of the display panel module, and the black frame portion and the inner peripheral portion of the bezel A so-called floating display in which the display image is emphasized so as to be lifted by forming a transparent region between the two is also attempted. In such a panel type display device, not only the front panel but also the bezel is formed of a synthetic resin material such as a transparent polycarbonate resin. The panel type display device is configured to further enhance the display effect by providing an optical display unit for optically displaying the power-on state and the set function in the transparent region.

  In the panel type display device, such a bezel is molded using a molding machine capable of molding a large product with high performance and a molding die having a high precision and a complicated structure. In such a bezel molding process, there is currently no molding machine that can accurately mold a transparent bezel for a panel display device having a large display screen of, for example, 30 inches or more. A special process is adopted in which precision molding is performed by taking a sufficient time while heating the molding die. In the molding process, there is a problem that it is difficult to form a bezel having a high precision finish with inconspicuous weld lines, so that the molding efficiency and yield are poor, and the cost is high because the molding die is extremely expensive. It was.

  Further, in the panel type display device, an optical display unit for optically displaying a power-on state or the like is provided on the front surface part, and the emitted light from the light emitting element provided in the optical display unit is guided. Although the light is guided to the front surface through the member, light leakage may occur inside. In the panel type display device, there is a problem that the display efficiency in the optical display unit is lowered due to a decrease in the light amount due to light leakage from the light guide member. Furthermore, the panel type display device has a problem that the display effect is lowered because the leaked light is brightened by being irradiated on the internal components and the like and is viewed from the front side. In the panel type display device, the problem of light leakage becomes more prominent particularly when installed in a dark room or the like.

  Further, in the panel type display device, since a high level electromagnetic wave is radiated from the display panel module, it is possible to cope with electromagnetic shielding. In the panel type display device, for example, an electromagnetic wave shielding layer is formed on the inner surface of the front glass, and the electromagnetic wave shielding layer and the metal back cover member are electrically connected to accommodate the display panel module in the shield space. It is done. In a panel type display device, a grounding structure is generally provided on the inner surface of the bezel to allow conduction between the electromagnetic wave shielding layer of the front glass and the back cover member, and a frame portion having a predetermined width sufficient to hide these is necessary. It was.

  Therefore, the present invention has been proposed for the purpose of providing a panel type display device which is designed to bezel-less so as to reduce the component cost, improve the assemblability or make it thinner.

A panel type display device according to the present invention that achieves the above-described object includes a display panel module, a front glass, a first decorative frame member and a second decorative frame member, a first bracket member and a second bracket member, and a pair. Speaker box, a third bracket member and a fourth bracket member, and a back cover member. The front glass is combined with the front filter panel of the display panel module, and the upper side portion and the lower side portion are respectively sandwiched by the first decorative frame member and the second decorative frame member over the entire length. In the first decorative frame member and the second decorative frame member, the first bracket member and the second bracket member are combined with each other over the entire length on the back surfaces thereof. In the first bracket member and the second bracket member, a holding portion that is abutted against the inner surface in the vicinity of the outer peripheral portion of the front glass and an attachment portion that respectively fixes the upper side portion and the lower side portion of the display panel module are integrated via a base portion. Formed. The combination of the display panel module and the front glass is combined with speaker boxes on both sides. Each speaker box is formed with a fitting groove for fitting the front glass, the upper side portion and the lower side portion of the first decorative frame member and the second decorative frame member. In each speaker box, a substantially bracket-shaped third bracket member and a fourth bracket member are combined over the entire length with respect to the respective fitting grooves. Each of the third bracket member and the fourth bracket member is integrally formed with a holding portion that abuts on the inner surface near the outer peripheral portion of the front glass and a mounting portion that fixes the side portion of the display panel module via the base portion. It becomes. The back cover member is formed in a substantially box shape as a whole, and the rear portion of the display panel module is fixed by fixing the mounting flange portion formed on the outer peripheral wall portion to the mounting portion formed on the first bracket member to the fourth bracket member. Covered and assembled.

In panel type display device, the fitting of the first decorative frame member and the second decorative frame members and each of the two side portions of the speaker box which sandwiches the upper end part and lower part of the combination of the display panel module and the front glass It is fixed to the third bracket member and the fourth bracket member via the first bracket member and the second bracket while being fitted in the groove. Therefore, in the panel type display device, the pair of left and right speaker boxes, the first decorative frame member, and the second decorative frame member constitute an overall frame-shaped support, and hold the outer periphery of the display panel module and the front glass. To do.

  According to the panel type display device according to the present invention configured as described above, the outer periphery of the display panel module and the front glass is formed by four members of the first decorative frame member, the second decorative frame member, and the left and right speaker boxes. Since the whole frame-like support body that holds the part over the entire circumference is configured, a bezelless configuration is achieved. According to the panel type display device, the first decorative frame member and the second decorative frame member can be formed in a relatively simple shape, so that high accuracy and low cost can be achieved, and finishing accuracy can be improved. It is possible to manufacture with high cost reduction. Further, according to the panel type display device, since the thin and thin first decorative frame member and the second decorative frame member constitute the outer peripheral holding member, the weight can be further reduced and the thin display panel module can be achieved. The overall thinness of the apparatus using the device is further emphasized. According to the panel type display device, assembling and maintenance can be improved by configuring the support body with four members.

  Hereinafter, a panel type display device (hereinafter abbreviated as a display device) 1 shown in the drawings as an embodiment of the present invention will be described in detail. The display device 1 is a television receiver in which a color plasma display panel (hereinafter referred to as a color PDP) 2 is used as a display panel module to achieve a large screen and a thin screen. As shown in FIG. 1, the display device 1 has speaker boxes 4 </ b> A and 4 </ b> B combined with left and right side portions of a display device main body 3 whose front shape is a horizontally long rectangle, and the display device main body 3 is supported by a stand member 5. Supported. As will be described in detail later, the display device 1 has a front glass 6 arranged in a superimposed state on the front surface of the color PDP 2, and a horizontally oblong blindfold frame portion 6 a formed by applying a black ceramic print to the inner surface of the front glass 6. As a result, the effective display screen area P of the color PDP 2 is trimmed.

  As will be described in detail later, the display device 1 is arranged on the left and right of the first decorative frame member 7 and the second decorative frame member 8 that hold the upper and lower sides of the front glass 6 and the display device main body 3. The speaker box 4A, 4B that holds both side portions of the front glass 6 constitutes an overall frame-like support that holds the outer peripheral portion of the front panel portion. As will be described in detail later, the display device 1 includes a transparent region 10 between the lower side portion of the blindfolded frame portion 6 a and the second decorative frame member 8 by superimposing a light guide bracket member 9 on the back surface of the lower side portion of the front glass 6. The transparent area 10 floats the effective display screen area P of the color PDP 2 so that the floating display is performed. In the display device 1, an optical display unit 11 that optically displays a power-on state, a setting state of each mode, and the like using a light guide bracket member 9 as a light guide member is provided in a part of the transparent region 10.

  As shown in FIG. 2, the display device 1 includes a first bracket member 12 that is combined with the first decorative frame member 7 on the back surface thereof, a second decorative frame member 8, and a light guide bracket member 9. The second bracket member 13 combined with the rear surface portion of the front glass 5 is formed, and a holding member that holds the upper portion and the lower side portion of the front glass 5 is constituted by these members. As shown in FIGS. 3 and 4, the display device 1 has fitting grooves 14 </ b> A and 14 </ b> B in the height direction provided in the speaker boxes 4 </ b> A and 4 </ b> B, and a third bracket member 15 in the fitting grooves 14 </ b> A and 14 </ b> B. And the fourth bracket member 16 are assembled, and these members constitute a holding member that holds the outer peripheral portions on both sides of the front glass 5.

  As shown in FIG. 2, the display device 1 includes a first bracket member 12 and a second bracket member 13 that are fixed to the third bracket member 15 and the fourth bracket member 16 at both ends at the rear surface. Each bracket member constitutes a frame-like body. As shown in FIG. 2, the display device 1 uses the first bracket member 12, the second bracket member 13, the third bracket member 15, and the fourth bracket member 16 combined in a frame-like body as attachment members, and the back cover member 17. And the board bracket member 18 are combined.

As shown in FIGS. 5 and 6, the color PDP 2 includes a panel portion 19, a filter panel 20 formed of a transparent synthetic resin material integrated in a laminated state on the front surface of the panel portion 19, and a panel portion 19. The circuit part 61 (refer FIG. 11) which abbreviate | omits the detail provided in the back surface part is comprised. Although not described in detail, the color PDP 2 includes a panel body in which the panel portion 19 is formed in a thin block shape by an insulating material. The front side is opened inside the panel body, and a number of discharge cells are formed in, for example, a matrix shape. It is formed in an array. In the color PDP 2, an electrode is formed in each discharge cell of the panel unit 19, and a pulse voltage is selectively applied from the circuit unit 61 to each electrode.

  The color PDP 2 emits ultraviolet rays generated by discharge between the electrodes from the discharge cell when a pulse voltage is applied. The color PDP 2 has a red, green, and blue light primary color fluorescent layer formed on the inner surface of the filter panel 20, and color emission display is performed by irradiating the fluorescent layer with ultraviolet rays emitted from the inside of the discharge cell. In the color PDP 2, the filter panel 20 is larger than the panel portion 19, and although the details are omitted, the first bracket member 12, the second bracket member 13, the third bracket member 15, and the fourth bracket member described above are provided on the outer peripheral portion. A mounting portion to be attached to 16 is formed.

  The display device 1 is not limited to the color PDP 2 having the above-described configuration, and a color PDP having various structures can be used. The display device 1 can also use a display panel module such as a liquid crystal display panel or an electric luminescence display panel, for example, instead of the color PDP.

  The speaker boxes 4A and 4B are formed symmetrically, and the configuration of the left speaker box 4A will be described as a representative with reference to FIG. The speaker box 4 is formed by combining a cover sheet 22, a front panel 23, and a box main body 24 although details are omitted. The speaker box 4 includes a high sound speaker 26, a medium sound speaker 27, and a low sound speaker 28, which are arranged in the height direction inside the box body 24. In the speaker box 4, sound emission holes are formed on the front panel 23 so as to face the speakers 26 to 28, respectively, and the cover sheet 22 is combined to prevent dust or design.

The speaker box 4 is integrated with the box main body 24 by abutting the front panel 23. The speaker box 4 is opened over the entire region in the height direction on the side surface facing the display device main body 3 at the abutting portion. Thus, the above-described fitting groove 14 is configured. Although not described in detail, the fitting groove 14 is partitioned by a partition wall with respect to each sound emitting hole, and is extended so as to form a concave portion in the side surface direction on the upper surface and the bottom surface of the speaker box 4. As shown in FIG. 4, the fitting groove 14 has end portions (side portions) 7a, 7b of the first decorative frame member 7 and end portions (side portions) 8a, 8b of the second decorative frame member 8 as shown in FIG. Are fitted so as to constitute the same surface.

  Although not described in detail, the speaker box 4 is integrally formed on the inner surface of the front panel 23 so as to face the fitting groove 14 and be aligned in the height direction. The speaker box 4 is assembled over the substantially entire length in the height direction in the fitting groove 14 by attaching the third bracket member 15 and the fourth bracket member 16 to the front panel 23 through the respective attachment portions. As will be described later, the speaker box 4 holds both side portions of the front glass 6 in the fitting groove 14 over substantially the entire length in the height direction. In the speaker box 4, mounting portions 24a and 24b (see, for example, FIGS. 2 and 5) are appropriately formed in the box main body portion 24, and the display device main body portion 3 and the back cover member 17 are interposed through the mounting portions 24a and 24b. Fixed to.

  The front glass 6 is formed into a panel body that is larger than the filter panel 20 of the color PDP 2 described above using not only glass but also a resin material such as transparent polycarbonate resin or acrylic resin. Although the details are omitted on the front glass 6, the entire surface is prevented from being scratched and the reflection of external light is prevented to reduce the influence of external light so that a good image display is performed. Are joined. The front glass 6 has an infrared absorbing film bonded to the inner surface, although details are omitted.

  As shown in FIGS. 11 and 12, an electromagnetic shielding layer 29 is formed on the front glass 6 so as to cover almost the entire inner surface in order to cope with electromagnetic shielding. The electromagnetic shielding layer 29 is formed of a copper fine wire mesh layer formed by, for example, forming a copper foil layer on the inner surface of the front glass 6 and subjecting the copper foil layer to a photoetching process. The electromagnetic shielding layer 29 is electrically connected to the back cover member 17 via the first bracket member 12, the second bracket member 13, the third bracket member 15 or the fourth bracket member 16 as described later. The color PDP2 is accommodated in the shield space.

  As described above, the front glass 6 has a blind frame 6a formed on the inner surface. As will be described in detail later, the blindfold frame portion 6a has an inner peripheral portion facing the outer peripheral portion of the effective display screen region P of the color PDP 2 and other outer peripheral portions excluding the lower piece portion extending to the outer peripheral portion of the front glass 6. It is formed with the existing width. Therefore, the blindfold frame portion 6a is the first bracket member 12, the second bracket member 13, the third bracket member 15 or the fourth bracket member 16 assembled to the first decorative frame member 7 and the back portions of the speaker boxes 4A and 4B. Or the attachment site | part of the back cover member 17 is made not to be visually recognized from the front side.

  As will be described in detail later, the blindfold frame portion 6a is formed narrower than the conventional device depending on the mounting structure of each bracket member and the back cover member 17 and the shape of the back cover member 17. By making the blindfold frame portion 6a narrow, it is possible to improve the effective area efficiency of the display surface, and it is possible to print with high accuracy without variation in thickness.

  The first decorative frame member 7 is formed into a bar-like long member having a total length substantially equal to the length in the longitudinal direction of the front glass 6 by using a metal material such as aluminum. Since the 1st decorative frame member 7 comprises an exterior material as mentioned above, surface treatments, such as a hairline process and an alumite (brand name) process, are given. As shown in FIG. 7, the first decorative frame member 7 is formed integrally with the ceiling portion 30 by being bent at right angles over the entire length along both widthwise end portions of the ceiling portion 30. The front wall 31 and the holding wall 32 are formed into a channel shape, and a fitting groove 33 having a predetermined width is formed between the front wall 31 and the holding wall 32.

In addition, the 1st decorative frame member 7 comprises the side parts 7a and 7b mentioned above which fit the fitting groove 14 of the speaker box 4 by projecting the both ends of the ceiling part 30 in a bowl shape. The first decorative frame member 7 may be configured such that attachment holes are formed in these side portions 7 a and 7 b and screwed to the speaker box 4.

  As shown in FIG. 7, the first decorative frame member 7 has a holding wall portion 32 that is wider than the front wall portion 31. The first decorative frame member 7 has a plurality of mounting holes 34 formed in the holding wall 32 as shown in FIG. 1A, and the first bracket member 12 extends along the back surface of the first decorative frame member 7 through the mounting holes 34. To be installed. The first decorative frame member 7 has a plurality of positioning convex portions 35 shown in FIG. 5B and a plurality of positioning concave portions 36 shown in FIG. The first bracket member 12 is positioned and attached.

  In the first decorative frame member 7 configured as described above, as shown in FIG. 7C, the front wall portion 31 is positioned on the front side, and the upper side portion of the front glass 6 is placed in the fitting groove 33. Are fitted over the entire length. As described above, the first decorative frame member 7 forms the holding wall portion 32 wider than the front wall portion 31 so as not to give a wide feeling of the frame body on the front side, and on the front side on the back side. By holding the glass 6 firmly, the upper side holding member is formed. The first decorative frame member 7 is configured such that the wide holding wall portion 32 is blinded by the blindfold frame portion 6a of the front glass 6, so that the mounting hole 34 described above, the positioning convex portion 35 or the positioning concave portion 36, and the first bracket The member 12 is not visually recognized from the front side.

  The second decorative frame member 8 is also formed into a bar-like long member having a total length substantially equal to the length in the longitudinal direction of the front glass 6 by a metal material such as aluminum, for example, and a hairline process or an alumite (trade name) process. Etc. are subjected to surface treatment. As shown in FIG. 8, the second decorative frame member 8 is integrally formed by being bent at right angles over the entire length along both end portions in the width direction of the bottom surface portion 37. The front wall 38 and the holding wall 39 have a channel shape, and a fitting groove 40 having a predetermined width is formed between the front wall 38 and the holding wall 39.

As shown in FIG. 8B and FIG. 8D, the second decorative frame member 8 has a large number of attachment holes 41 formed in the holding wall portion 39, and the inner surface portion of the holding wall portion 39 has the same As shown in FIG. 3C, the positioning convex portion 42 is formed. Since the second decorative frame member 8 includes the transparent region 10 along the lower side portion of the front glass 6 in order to perform floating display as described above, the holding wall portion 39 is not visible from the front side. The front wall portion 38 is formed to have substantially the same width. The second decorative frame member 8 also has the above-described side portions 8 a and 8 b that are fitted into the fitting grooves 14 of the speaker box 4, with both end portions of the bottom surface portion 37 protruding in a bowl shape.

  As shown in FIG. 8C and FIG. 8D, the second decorative frame member 8 configured as described above has the front wall 38 positioned on the front side and is fitted in the fitting groove 40. The front glass 6 and the light guide bracket member 9 that are in an overlapped state are fitted over the entire length of their lower sides. A second bracket member 13 is attached to the second decorative frame member 8 via a light guide bracket member 9 along the back surface portion thereof.

  The light guide bracket member 9 is formed into a generally plate-like long member having an overall length substantially equal to the length in the longitudinal direction of the front glass 6 by a resin material such as transparent polycarbonate resin or acrylic resin. As described above, the light guide bracket member 9 constitutes the transparent region 10 for performing the floating display in the lower side portion of the display surface, and a part of the light guide bracket member 9 is constituted as the optical display portion 11 and will be described later. It functions as a light guide member that guides the emitted light L emitted from 43 to be exposed from the front glass 6 to the front surface.

  The width of the light guide bracket member 9 is slightly narrower than the distance from the lower side portion of the front glass 6 to the inner peripheral portion of the blindfold frame portion 6a, and the outer side end portion 9a is the second decorative frame member described above. 8 is fitted into the fitting groove 40 together with the front glass 6. A plurality of mounting bosses 44 are integrally formed on the inner surface of the light guide bracket member 9 along the inner side end portion 9b as shown in FIG.

  As shown in FIG. 9A, the light guide bracket member 9 is integrally provided with reinforcing ribs 45 and 46 in the longitudinal direction at a predetermined interval from the inner end portion 9b as shown in FIG. 9A. . The light guide bracket member 9 is improved in strength in the thickness direction by the reinforcing ribs 45 and 46 so that the occurrence of bending in the length direction is suppressed even when the light guide bracket member 9 is formed thin. Further, the reinforcing rib 45 defines the combination position by abutting the opening edge of the back cover member 17 combined on the back surface portion of the light guide bracket member 9 as will be described later. The light guide bracket member 9 is formed such that the inner end side reinforcing ribs 45 are connected to each other between the mounting bosses 44, and between each mounting boss 44 and the outer end side reinforcing ribs 46 are also orthogonal ribs. The strength of each mounting boss 44 is improved by providing them continuously.

  An assembly portion 47 of the light emitting element unit 43 is integrally formed on the light guide bracket member 9. The assembling portion 47 is formed on a plurality of guide concave portions 48 formed so as to be cut from the inner end portion 9 b so as to face the optical display portion 11, and on the inner surface of the guide concave portion 48. And a plurality of mounting bosses 50 integrally formed on the inner surface across the guide recess 48. Each guide recess 48 is formed of a substantially U-shaped recess formed such that the bottom is cut beyond the reinforcing rib 46, and constitutes an incident portion of the emitted light L emitted from the light emitting element unit 43. .

  The reflection concave portion 49 is gradually increased in depth from the inner end portion 9b side to the outer end portion 9a side, and an inner surface facing the guide concave portion 48 side with the outer end portion 9a side being a vertical surface is a vertical wall. The reflecting surface 53 is configured by a concave portion having a right-angled triangular cross-section and a bottom surface portion having a 45 ° inclination angle. The details of the reflection concave portion 49 will be described later with reference to FIG. 14, but the reflected light 53 is refracted by 90 ° at the reflection surface 53 and is emitted from the bottom of the guide concave portion 48 and guided through the light guide bracket member 9. Light is guided to the front side.

  The light guide bracket member 9 is also formed with a light receiving recess 51 that constitutes a light receiving portion for an infrared signal emitted from the remote controller along with the guide recess 48. In addition, the light guide bracket member 9 forms a mounting portion 9c in which the both end portions fitted to the fitting groove 14 of the speaker box 4 described above in the combined state are slightly thickened. The light guide bracket member 9 has a plurality of attachment holes 52 formed in the attachment portion 9c. Although not shown in the drawings, the light guide bracket member 9 is printed with a display unit that displays the function on the surface side so as to face each reflective recess 49.

In the light guide bracket member 9, the mounting boss 44, the reinforcing ribs 45 and 46, or the assembly portion 47 of the light emitting element unit 43 described above is formed facing the blindfold frame portion 6 a in a combined state with the front glass 6. These portions of the light guide bracket member 9 are blindfolded by the blindfold frame portion 6a and are not visually recognized from the front side.

  As described above, the display device 1 has the first bracket member 12 and the second bracket member 13 assembled to the first decorative frame member 7 and the second decorative frame member 8, respectively, and the left and right speaker boxes 4A and 4B, respectively. The third bracket member 15 and the fourth bracket member 16 are assembled. The first bracket member 12 and the second bracket member 13 have the same length, and are longer than the third bracket member 15 and the fourth bracket member 16. The bracket members 12, 13, 15, and 16 are formed with substantially the same basic shape although the structures of the details are slightly different. Accordingly, the second bracket member 13 shown in FIG. 10 will be described as a representative and the description of the other bracket members 12, 15, 16 will be omitted.

  The 2nd bracket member 13 is formed in the bar-shaped elongate member which has the full length substantially equal to the length of the longitudinal direction of the front glass 6, for example with stainless steel material or steel materials. The first bracket member 12 is also formed to have an overall length substantially equal to the length in the longitudinal direction of the front glass 6, but the third bracket member 15 and the fourth bracket member 16 are long in the width direction of the front glass 6. And has a total length approximately equal to

  The second bracket member 13 includes a base portion 54 that is integrally formed, a holding portion 55, a first attachment portion 56, and a second attachment portion 57. As shown in FIG. 10, the second bracket member 13 is bent at a right angle over the entire length in the length direction along one side edge of the plate-like base portion 54, whereby the holding portion 55 is formed. It is integrally formed. As will be described later, the holding portion 55 is pressed against the front glass 6 in the vicinity of the outer peripheral portion of the inner surface to hold the front glass 6. In addition, the holding portion 55 is brought into electrical contact with the electromagnetic shielding layer 29 formed on the inner surface of the front glass 6 in this state.

  The second bracket member 13 is integrally formed with the first attachment portion 56 by being bent along the one side edge of the base portion 54 at a right angle over the entire length in the length direction. The second bracket member 13 has a substantially crank-shaped cross section as shown in FIG. 10C by making the bending direction of the first mounting portion 56 with respect to the base portion 54 opposite to the bending direction of the holding portion 55. It is formed with a shape. The second bracket member 13 constitutes an attachment portion for the back cover member 17 as will be described later.

  The second bracket member 13 forms a second attachment portion 57 by forming a pair of slits in the width direction from the first attachment portion 56 to the base portion 54, and bending the uncut pieces between the slits. It becomes. The second bracket member 13 has a plurality of second mounting portions 57 formed at a plurality of locations, and constitutes a mounting portion of the board bracket member 18 as will be described later.

In the display device 1, the second bracket member 13 is fixed to the back surface portion of the light guide bracket member 9 superimposed on the front glass 6 via the second decorative frame member 8 as described later. Accordingly, the second bracket member 13 is fixed to the mounting boss 44 in which the first mounting portion 56 and the second mounting portion 57 are formed integrally with the light guide bracket member 9, and the front glass is interposed through the light guide bracket member 9. 6 and the holding part 55 is joined to the electromagnetic shielding layer 29.

  On the other hand, the first bracket member 12 has the front glass 6 sandwiched in the fitting groove 33 of the first decorative frame member 7 so that the holding wall portion 32 is directly attached to the first attachment portion 56 or the second attachment portion 57. Fix it. In addition, the third bracket member 15 and the fourth bracket member 16 have the first attachment portion 56 or the second attachment portion 57 fixed to the attachment portion formed in the box body portion 24 of the speaker box 4.

  The back cover member 17 is formed into a generally bottomed box shape having an opening portion having a diameter slightly smaller than the outer shape of the front glass 6 by pressing a lightweight metal material such as aluminum. The back cover member 17 stores the color PDP 2 in the shield space in cooperation with the electromagnetic shielding layer 29 of the front glass 6 by fixing the opening portion to each bracket member 12, 13, 15, 16 as described later. To do.

  Although not described in detail, the back cover member 17 is appropriately formed with a connector for connecting a power cord and an antenna cable, and an opening for allowing the input / output terminal portion to face outward, and a plurality of small holes for heat dissipation and reinforcement. Ribs and the like are formed. The back cover member 17 is formed such that the outer peripheral wall portion 58 rises in a substantially vertical state with respect to the back surface portion, and has a minimum clearance sufficient to maintain insulation with built-in components such as the color PDP 2. Has been. Since the back cover member 17 is formed from deep drawing to press bending to a conventional metal material, the processing cost can be greatly reduced and the shape can be made relatively free, and the component accuracy can be improved. Be improved.

In the back cover member 17, a mounting flange portion 59 is integrally bent at the opening edge of the outer peripheral wall portion 58 over the entire circumference. The back cover member 17 is formed so that the mounting flange portion 59 is overlapped with the first mounting portion 56 of each bracket member 12, 13, 15, 16 combined in a frame shape. The mounting flange 59, opposite to the mounting bosses 44 formed in the mounting hole 56a and the light guide bracket member 9 formed on the first mounting portion 56 of each bracket member 12, 13, 15, although not shown many Mounting holes are formed.

  As shown in FIGS. 11 and 12, the back cover member 17 is bent so as to rise from the front end portion of the mounting flange portion 59 to the front surface side, and the abutting end portion 60 is bent. The abutting end 60 is abutted against the outer peripheral surface of the reinforcing rib 46 formed on the light guide bracket member 9 in a state where the back cover member 17 is combined with each bracket member 12, 13, 15, 16.

The board bracket member 18 is combined with the back side of the color PDP 2, and a circuit unit 61 such as a control circuit for the color PDP 2, an input / output circuit that processes received radio waves, a tuner circuit, and a signal processing circuit is mounted although details are omitted. The A plurality of attachment pieces 63 are integrally formed on the outer peripheral portion 62 of the board bracket member 18 so as to face the second attachment portions 57 formed on the bracket members 12, 13, 15, 16 described above. The board bracket member 18 is fixed to the second mounting portion 57 of each bracket member 12, 13, 15, 16 by the mounting screw 64 together with the back cover member 17 as will be described later.

  The light emitting element units 43 are respectively attached to attachment portions formed on the substrate bracket member 18 so as to face the light emitting display portion 11. The light emitting element unit 43 includes a mounting board 65 which is appropriately connected to the board bracket member 18 and attached thereto, a plurality of holder members 66 and a plurality of light emitting diodes 67 mounted on the mounting board 65, and a light receiving element. And an element 68. Note that a plurality of light emitting element units 43 are provided corresponding to each light emitting display unit 11 provided in the display device 1.

  As shown in FIG. 14, the mounting board 65 is formed with mounting holes 65 a and positioning holes 65 b for positioning and assembling the holder member 66. The attachment board 65 is attached to the board bracket member 18 so as to face the front glass 6 in parallel. Of course, the attachment substrate 65 is attached to the substrate bracket member 18 so as to be concealed from the front side by the blindfold frame portion 6a formed on the front glass 6.

  Each holder member 66 is integrally formed of a resin material having a light-shielding characteristic such as black, and is formed with a wedge-shaped lock piece 66a and a positioning projection 66b, and a storage portion 66c for storing and holding the light emitting diode 67, A circular emission hole 66d for narrowing and emitting the outgoing light L emitted from the diode 67 is provided. The holder member 66 is attached to the attachment substrate 65 by fitting the lock piece 66a into the attachment hole 65a and fitting the positioning protrusion 66b into the positioning hole 65b. In this state, the holder member 66 is combined with the exit hole 66 d in each guide recess 48 of the light guide bracket member 9, and the exit hole 66 d is opposed to the tip of the guide recess 48.

  Each holder member 66 stores and holds a light emitting diode 67 in the storage portion 66c with the output surface facing the output hole 66d. Each of the light emitting diodes 67 is held in its inner space with the outer peripheral portion held by the inner peripheral wall of the storage portion 66c, and the lead drawn from the opening side of the storage portion 66c is connected to the land formed on the mounting substrate 65. . Each light emitting diode 67 is supplied with a driving voltage from the circuit unit 61 through a pattern formed on the mounting substrate 65. The light emitting diode 67 emits light when a driving voltage is applied, and emits the emitted light L from the emission hole 66d. The emitted light L is guided from the tip of the guide recess 48 to the inside of the light guide bracket member 9, is refracted by the reflection surface 53, and irradiates the inner surface of the front glass 6 to shine the portion.

  In the display device 1, as described above, the front glass 6 is sandwiched at the upper side by the first decorative frame member 7, and the first bracket member 12 is fixed to the back surface of the first decorative frame member 7. . In the display device 1, the first bracket member 12 is electrically connected to the electromagnetic shielding layer 29 formed on the front glass 6, and the upper side portions of the back cover member 17 and the substrate bracket member 18 are fixed. In the display device 1, the front glass 6 is fitted into the fitting groove 14 of each speaker box 4 on both sides, and the third bracket member 15 and the fourth bracket member 16 assembled to each speaker box 4 are on the front surface. It is electrically connected to the electromagnetic shielding layer 29 formed on the glass 6. In the display device 1, the left and right side portions of the back cover member 17 and the substrate bracket member 18 are fixed to the third bracket member 15 and the fourth bracket member 16, respectively.

  In the display device 1, the transparent region 10 is formed on the lower side of the front glass 6 as described above. Therefore, in the display device 1, as shown in FIGS. 11 and 12, the holding portion 56 of the second bracket member 13 pressed against the electromagnetic shielding layer 29, and the back cover member attached via the second bracket member 13. 17 and the mounting portion of the board bracket member 18 are configured to be hidden by the blindfold frame portion 6a so that they are not visible from the outside.

  In the display device 1, as described above, the mounting boss 44 is formed along the inner end portion 9 b of the light guide bracket member 9, so that the mounting portions of the back cover member 17 and the substrate bracket member 18 are arranged on the outer peripheral portion of the color PDP 2. It will be performed at a close position. In the display device 1, the reinforcing ribs 45 and 46 are formed on the light guide bracket member 9 formed of a transparent synthetic resin material, so that the mechanical strength is sufficiently maintained, and the back cover member 17 and the substrate bracket member 18 are formed. It can be attached.

Further, in the display device 1, as described above, the back cover member 17 is press bent to a metal material and the outer peripheral wall portion 58 is formed as a substantially vertical wall, whereby the structure close to the outer peripheral portion of the color PDP 2. It has become. Therefore, in the display device 1, the width W (see FIG. 12) of the blindfold frame portion 6a can be formed to be about 20% narrower than the conventional one. In the display device 1, the transparent region 10 is formed on the outer peripheral portion of the blindfold frame portion 6 a only at the lower side portion of the front glass 6, and the floating display structure is employed. For example, the transparent region 10 is formed over the entire periphery. In this case, a configuration using the light guide bracket member 9 described above may be employed.

  In the display device 1, an optical display unit 11 is provided in the transparent region 10 of the front glass 6, and displays the light-on state of power-on state, timer setting, and the like. In the display device 1, different light emitting diodes such as a red light emitting diode and a green light emitting diode are used as the light emitting diode 67 according to the display function. The display device 1 is configured such that the emitted light L emitted from the light emitting diode 67 is efficiently guided while suppressing light leakage in the light guide bracket member 9. In the display device 1, as shown in FIGS. 13 and 14, the light guide bracket member 9 is superimposed on the back surface of the front glass 6, and the superimposed state is held by the second decorative frame member 8. In the display device 1, the light emitting element unit 43 is attached to the substrate bracket member 18, and in this state, each holder member 66 faces the guide recess 48 of the light guide bracket member 9.

In the display device 1, the exit holes 66 d of the holder members 66 are opposed to the front end portions of the opposing guide recesses 48, and the emitted light L of the light emitting diodes 67 emitted from the exit holes 66 d is guided. The light is directly guided into the bracket member 9. In the display device 1, the guide concave portion 48 is formed with the distal end portion cut inwardly of the reinforcing ribs 45 and 46, and the emitted light L is a plate-like portion having no deformation portion of the light guide bracket member 9. The inside of the light is guided so that the occurrence of diffusion at the incident site is suppressed. Further, in the display device 1, the emitted light L is incident in a vertical state from the end face of the light guide bracket member 9.

  In the display device 1, as indicated by an arrow in FIG. 14, the emitted light L travels straight in the light guide bracket member 9 and is guided to reach the reflection surface 53 formed on the inner surface facing the optical display unit 11 and reflected. Is done. In the display device 1, as described above, since the reflecting surface 53 is formed as an inclined surface having an inclination angle of 45 ° with respect to the incident direction, the outgoing light L is 90 ° with respect to the traveling direction on the reflecting surface 53. The light is guided to the front side by being refracted in the direction. In the display device 1, the emitted light L is guided to the front glass 6 through the light guide bracket member 9 so as to perform spot-like light spot display on the optical display unit 11.

  In the display device 1, as described above, the emitted light L from each light emitting diode 67 is efficiently guided into the light guide bracket member 9 without causing light leakage, and in the light guide bracket member 9. The light is guided in a stable state without causing light leakage. Therefore, in the display device 1, a predetermined operation function setting state or the like is displayed with a sufficient amount of light on the optical display unit 11 configured in the transparent region 10. Further, in the display device 1, the light leakage of the emitted light L is suppressed inside as described above, and the display effect is impaired because the light hits the internal components and is seen from the front side. Is prevented from occurring.

  In the display device 1, the third bracket member 15 and the fourth bracket member 16 are assembled to each speaker box 4 having the fitting groove 14 and the front glass 6 is held, but each speaker box 4 is removed. It can also be installed on a speaker stand. In the display device 1, in this case, side decorative frame members that hold both side portions of the front glass 6 are assembled.

Although not shown , the side decorative frame member has a length (width) substantially the same as the height (width) of the front glass 6, and a decorative frame member formed in substantially the same shape as the first decorative frame member 7 described above is used. Further, when the side decorative frame member forms transparent regions on both side portions of the front glass 6, the decorative frame member and the light guide bracket member 9 formed in substantially the same shape as the second decorative frame member 8 described above. Are combined with a light guide bracket member formed in substantially the same shape.

  The display device 1 is a television receiver in which an input / output circuit for processing received radio waves and a circuit unit 61 of a tuner circuit are mounted on the board bracket member 18. However, for example, it may be a large monitor device. It is.

It is a front view of a panel type display apparatus. It is a rear view of a panel type display apparatus. It is a top view of a panel type display apparatus. It is a principal part enlarged plan view of a panel type display apparatus. It is the disassembled perspective view seen from the front side for demonstrating the main structures of a panel type display apparatus. It is a disassembled perspective view seen from the same side. The 1st decorative member which comprises the exterior | packing material of an upper side part is shown, The figure (A) is a front view, The figure (B) is a top view, The figure (C) is an enlarged longitudinal cross-sectional view. The 2nd decorative member which comprises the exterior | packing material of a lower part is shown, The same figure (A) is a top view, The same figure (B) is a front view, The same figure (C) and the same figure (D) are expanded longitudinal sectional views. is there. The light guide bracket member is shown, in which FIG. (A) is a rear view and FIG. (B) is a side view. The bracket member is shown, in which (A) is a front view, (B) is a plan view, and (C) is an enlarged side view. It is a principal part longitudinal cross-sectional view explaining the attachment structure of a lower side site | part. It is the principal part longitudinal cross-sectional view which expanded and showed the attachment structure. It is a disassembled perspective view explaining the structure of an optical display part. It is a principal part longitudinal cross-sectional view explaining an optical display part.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Panel type display apparatus, 2 Color plasma display panel, 3 Display apparatus main-body part, 4 Speaker box, 6 Front glass, 6a Blindfold frame part, 7 1st makeup | decoration frame member, 8 2nd makeup | decoration frame member, 9 guidance Optical bracket member, 10 transparent region, 11 optical display portion, 12 first bracket member, 13 second bracket member, 14 fitting groove, 15 third bracket member, 16 fourth bracket member, 17 back cover member, 18 substrate bracket members, 19 panel, 20 a filter panel, 2 4 box body portion, 29 an electromagnetic shielding layer, 30 ceiling, 31 front wall section, 32 holding wall portion 33 fitting groove, 37 the bottom section, 38 a front wall, 39 Holding wall part, 40 fitting groove, 43 light emitting element unit, 44 mounting boss, 45, 46 reinforcing rib, 47 assembly part, 48 guide recessed part, 9 reflective recess, 53 reflective surface, 54 base, 55 holding portion, 56 first mounting portion, 57 second mounting portion, 58 outer peripheral wall portion, 59 mounting flange portion, 60 abutting end portion, 62 outer peripheral portion, 63 mounting piece Part, 63 mounting part, 65 substrate, 66 holder, 67 light emitting element

Claims (4)

A display panel module;
A front glass combined with the front filter panel of the display panel module;
A first decorative frame member and a second decorative frame member that sandwich the upper side and the lower side of the front glass over substantially the entire length in the length direction;
The holding unit and the display panel, which are combined with the back surfaces of the first decorative frame member and the second decorative frame member over substantially the entire length in the length direction and are respectively abutted against the inner surface in the vicinity of the outer peripheral portion of the front glass. A first bracket member and a second bracket member, which are integrally formed with a mounting portion for fixing an upper side portion or a lower side portion of the module via a base portion;
The display panel module and the front glass are disposed on both side surfaces of the combined body, and the side surfaces of the front glass, the first decorative frame member, and the second decorative frame member extend over substantially the entire length. A pair of left and right speaker boxes formed with fitting grooves to be fitted,
Each of the speaker boxes is combined over the entire length, and a holding portion that is brought into contact with the inner surface near the outer peripheral portion of the front glass and an attachment portion that fixes the side portion of the display panel module are integrated via a base portion. A third bracket member and a fourth bracket member formed on
A rear surface portion of the display panel module is formed by fixing a mounting flange portion formed on each outer peripheral wall portion to the respective mounting portions formed on the first bracket member to the fourth bracket member. A back cover member that covers and assembles
The first decorative frame member and the second decorative frame member sandwiching the upper side and lower side of the combination of the display panel module and the front glass are respectively connected to the upper side and the lower side of the speaker box. The speaker box, the first decorative frame member, and the second decorative frame member are connected to the display panel module by being fixed to the third bracket member and the fourth bracket member while being fitted in the fitting groove. A panel-type display device comprising a whole frame-like support that holds the outer periphery of the combination of the front glass and the front glass.   When at least one of the speaker boxes is detachable with respect to the combination of the display panel module and the front glass, and when the speaker box is removed and used, the side portions of the front glass are each full length. 2. The panel according to claim 1, wherein a substantially bar-shaped decorative frame member is attached to the first bracket member and the second bracket member and the upper end portion and the lower end portion are fixed to the first bracket member and the second bracket member. Type display device. A light guide bracket member formed of a transparent resin material fitted together with the lower side portion of the front glass in the fitting groove of the second decorative frame member formed in a channel shape at the lower side portion,
The said light guide bracket member comprises an optical display part by light-guiding the emitted light radiate | emitted from the light emitting element unit arrange | positioned at the back side, and making it expose from the front side. Panel type display device.   On the inner surface of the front glass, an opaque blindfold frame that blinds the entire area of the area facing the mounting portion of the display panel module, the back cover member, and the first bracket member to the fourth bracket member. The panel type display device according to claim 1, which is formed.

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