JP5572571B2 - Display device and television receiver - Google Patents

Description

  The present invention relates to a peripheral device of a liquid crystal panel and a backlight, and a display device and a television receiver including a cabinet that covers the rear side of the backlight.

  A display device such as a television receiver includes a panel module having a display surface for displaying images on the front side, a front cabinet that surrounds a peripheral portion of the panel module, and a back cabinet portion that covers the rear side of the panel module. Yes.

  On the other hand, Patent Document 1 discloses a cover portion that can be deformed along with both housings when the tip of a foldable mobile phone is inserted and changes between a closed state and an open state. . According to the mobile phone according to Patent Document 1, it is possible to provide a texture and an additional function different from those of a conventional plastic or metal casing while avoiding the appearance of the mobile phone being deteriorated or the operability being lowered. Is possible.

JP 2009-27276 A

  In the conventional display device, the panel module, the front cabinet, and the back cabinet part are fixed using screws, and an increase in the number of assembling work has been a problem.

  The present invention has been made in view of such circumstances, and an object of the present invention is to mold the whole or a part of the cabinet of the display device with an elastic body and hold the liquid crystal panel and the backlight, thereby fixing the cabinet. It is an object of the present invention to provide a display device and a television receiver capable of improving productivity by reducing screws and improving the safety of products.

A display device according to the present invention is an elastic display device including a liquid crystal panel having a display surface on the front side, a backlight that illuminates the liquid crystal panel from the rear side , and a cabinet portion that covers the rear side of the backlight. And a frame having a groove portion on an inner peripheral surface thereof into which the peripheral portion of the cabinet portion, the liquid crystal panel, and the backlight is press-fitted.

  In the present invention, the frame constituting the cabinet and the back cabinet portion are integrally formed elastic bodies. Therefore, a screw for assembling the frame and the back cabinet is not necessary.

Display device according to the present invention, the cabinet portion has a flange portion, the flange portion is characterized by being press-fitted into the groove of the frame.

  In the present invention, the liquid crystal panel, the backlight, and the flange portion of the back cabinet portion are press-fitted into the groove portion of the cabinet frame and are held by the frame. Accordingly, the screws for fixing the liquid crystal panel, the backlight device, and the cabinet are reduced.

A display device according to the present invention is an elastic display device including a liquid crystal panel having a display surface on the front side, a backlight that illuminates the liquid crystal panel from the rear side, and a cabinet portion that covers the rear side of the backlight. A frame body having a groove portion into which a peripheral edge portion of the liquid crystal panel and the backlight is press-fitted, and the frame body in which the liquid crystal panel and the backlight are press-fitted into the groove portion are It is characterized by being fastened to the cabinet part.
Display device according to the present invention, the cabinet portion has a flange portion, before Kiwakutai is characterized in that it is fastened to the flange portion of the cabinet section.

  In the present invention, the liquid crystal panel and the backlight are press-fitted into the groove portion of the cabinet frame, and the frame is fastened to the flange portion of the back cabinet.

Display device according to the present invention includes a heat radiating portion for radiating heat generated by the backlight, the heat dissipating unit is characterized in that in contact with the backlight, into a front Kiki cabinets unit.

  In the present invention, the heat radiating part is in contact with the backlight and the back cabinet part. Therefore, the heat generated in the backlight is transmitted through the heat radiating section and the back cabinet section and radiated.

  In the display device according to the present invention, the frame body is made of a thermosetting silicone resin.

  In the present invention, the frame is a thermosetting silicone resin. Therefore, after the liquid crystal panel and the backlight are press-fitted into the frame, the liquid crystal panel and the backlight can be more reliably held on the frame by curing the frame.

  A television receiver according to the present invention includes any one of the display devices described above and a receiving unit that receives a television signal, and the display device displays an image using the television signal received by the receiving unit. It is made to do so.

  In the present invention, it is possible to receive a television signal and display an image related to the television signal on a display device.

  According to the present invention, it is possible to improve the productivity by reducing the screws for fixing the cabinet, and it is possible to improve the safety of the product.

It is an exploded perspective view of the front side which shows one structural example of the display apparatus which concerns on embodiment of this invention. It is the sectional side view which showed one structural example of the display apparatus typically. It is the perspective view which showed the method of inserting a liquid crystal panel and a backlight in the groove part of a frame. 10 is a side cross-sectional view schematically showing a configuration example of a display device according to Modification 1. FIG. 10 is a side cross-sectional view schematically showing a configuration example of a display device according to Modification 2. FIG. 10 is a side cross-sectional view schematically showing a configuration example of a display device according to modification example 3. FIG.

Hereinafter, the present invention will be described in detail with reference to the drawings illustrating embodiments thereof.
FIG. 1 is an exploded perspective view of a front side showing a configuration example of a display device according to an embodiment of the present invention, and FIG. 2 is a side sectional view schematically showing a configuration example of the display device. The display device according to the embodiment of the present invention is, for example, a television receiver such as a liquid crystal television. The display device 21 has a display surface 21 on the front side, and illuminates the liquid crystal panel 2 from the rear side. Backlight 4, peripheral portions 2 a and 4 a of the liquid crystal panel 2 and the backlight 4, a cabinet 5 covering the rear surface side of the backlight 4, a tuner (receiver) 6 for receiving a television signal, and an electric circuit 7 And a stand 8 that supports the liquid crystal panel 2 and the backlight 4 covered with the cabinet 5 in an upright state. Further, a protective plate 1 made of glass or translucent resin for protecting the liquid crystal panel 2 is disposed on the front side of the liquid crystal panel 2, and an optical sheet 3 is disposed between the backlight 4 and the liquid crystal panel 2. Has been.
In FIG. 2, the tuner 6, the electric circuit 7, the stand 8, etc. are omitted to show the main points.

  As is well known, the liquid crystal panel 2 includes liquid crystal sealed in two opposing glass substrates on which transparent electrodes are arranged, and a color filter is disposed on the front glass substrate, and the front and rear of each glass substrate. Is provided with a polarizing plate. The liquid crystal panel 2 displays an image related to the television signal based on the television signal received by the tuner 6.

  The backlight 4 includes a flat dish-shaped backlight chassis, a reflective sheet disposed on the backlight chassis, and a plurality of light sources. The light source is, for example, an LED or a cold cathode fluorescent tube.

  The cabinet 5 is made of an elastic body, and has a frame 51 having grooves 51a on the inner peripheral surface into which the peripheral portions 1a, 2a, 3a, and 4a of the protection plate 1, the liquid crystal panel 2, the optical sheet 3, and the backlight 4 are press-fitted. And a back cabinet portion 52 that covers the rear side of the backlight 4. The width in the front-rear direction of the groove 51a is shorter than the width in the front-rear direction in a state where the protective plate 1, the liquid crystal panel 2, the optical sheet 3, and the backlight 4 are arranged side by side. The frame body 51 and the back cabinet section 52 are elastic bodies integrally formed of a resin material, for example, a thermosetting silicone resin.

  FIG. 3 is a perspective view showing a method for inserting the liquid crystal panel 2 and the backlight 4 into the groove 51 a of the frame 51. Since the frame body 51 is an elastic body, the frame portion can be deformed and stretched as shown in FIG. The frame 51 is appropriately deformed and stretched, and the superposed protective plate 1, liquid crystal panel 2, optical sheet 3, and peripheral portions 1 a, 2 a, 3 a, and 4 a of the backlight 4 are inserted into the groove 51 a of the frame 51. The protective plate 1, the liquid crystal panel 2, the optical sheet 3, and the backlight 4 are not necessarily fixed to each other, but may be appropriately fixed with an adhesive. Alternatively, the cabinet 5 may be cured by press-fitting the protective plate 1, the liquid crystal panel 2, the optical sheet 3 and the backlight 4 into the cabinet 5 and then heating.

  The tuner 6 and the electric circuit 7 are attached to the back side of the backlight chassis constituting the backlight 4. The tuner 6 is, for example, a digital tuner, receives a television signal, selects a channel, and transmits a selected channel, that is, a broadcast signal of a specific frequency band, to an MPEG (Moving Picture Experts Group) -2TS (Transport Stream) or the like. And the data is supplied to the signal processing unit constituting the electric circuit 7. The signal processing unit executes data decoding and other various processes, and gives a video signal to the liquid crystal panel 2.

  In the display device configured as described above, it is possible to improve productivity by reducing screws for fixing the cabinet, and it is also possible to improve product safety.

  The frame 51 is a thermosetting silicone resin. Therefore, after the liquid crystal panel 2 and the backlight 4 are press-fitted into the frame 51, the liquid crystal panel 2 and the backlight 4 can be more reliably held on the frame 51 by curing the frame 51.

  Furthermore, since the peripheral edge portions 1a, 2a, 3a, and 4a of the liquid crystal panel 2 and the backlight 4 are press-fitted into the groove portions 51a of the frame body 51, dust can be effectively prevented from entering.

(Modification 1)
FIG. 4 is a side sectional view schematically showing a configuration example of a display device according to the first modification. Similar to the embodiment, the display device according to the modified example 1 includes the protective plate 1, the liquid crystal panel 2, the optical sheet 3, the backlight 4, the cabinet 105, and the like, and only the structure of the cabinet 105 is different from the embodiment. Therefore, the above differences will be mainly described below.

  The cabinet 105 according to the modified example 1 includes a frame body 151 and a back cabinet section 152 that are configured separately. The frame 151 is made of a thermosetting silicone resin, and has a groove portion 151a into which the protective plate 1, the liquid crystal panel 2, the optical sheet 3, and the peripheral portions 1a, 2a, 3a, and 4a of the backlight 4 and the flange portion 152a are press-fitted. This is a frame-like member on the inner peripheral surface. The back cabinet portion 152 is a resin member having a flat plate shape that has a flange portion 152 a and covers the rear side of the backlight 4. The width of the groove portion 151a in the front-rear direction is shorter than the width in the front-rear direction when the protection plate 1, the liquid crystal panel 2, the optical sheet 3, the backlight 4, and the flange portion 152a of the back cabinet portion 152 are arranged side by side. . The protective plate 1, the liquid crystal panel 2, the optical sheet 3, the backlight 4, and the flange portion 152 a are press-fitted into the groove portion 151 a of the frame body 151.

In the display device according to the first modification, the protection plate 1, the liquid crystal panel 2, the optical sheet 3, the backlight 4, and the flange portion 152 a of the back cabinet portion 152 are press-fitted into the groove portion 151 a of the frame body 151 of the cabinet 105. And held by the frame 151. Therefore, the screws for fixing the liquid crystal panel 2, the backlight 4 device, and the cabinet 105 can be reduced.
Further, only the frame 151 constituting the cabinet 105 can be replaced without replacing the back cabinet portion 152. For example, when there is a frame 151 to which various designs are applied, it is possible to enjoy the design change of the display device by exchanging only the frame 151.

(Modification 2)
FIG. 5 is a side sectional view schematically showing one configuration example of the display device according to the second modification. Similar to the embodiment, the display device according to the modification 2 includes the protective plate 1, the liquid crystal panel 2, the optical sheet 3, the backlight 4, the cabinet 205, and the like, and only the structure of the cabinet 205 is different from the embodiment. Therefore, the above differences will be mainly described below.

  The cabinet 205 according to the second modification includes a frame body 251 and a back cabinet section 252 that are configured separately. The frame body 251 is made of a thermosetting silicon resin, and has a protective plate 1, a liquid crystal panel 2, an optical sheet 3, and a groove portion 251a into which the peripheral edge portions 1a, 2a, 3a, and 4a of the backlight 4 are press-fitted. It is a frame-shaped member. The back cabinet part 252 is a resin member having a flat plate shape that has a flange part 252 a and covers the rear side of the backlight 4. The width in the front-rear direction of the groove portion 251a is shorter than the width in the front-rear direction in a state where the protective plate 1, the liquid crystal panel 2, the optical sheet 3, and the backlight 4 are stacked in the front-rear direction. The protective plate 1, the liquid crystal panel 2, the optical sheet 3, and the backlight 4 are press-fitted into the groove 251 a of the frame body 251. In addition, a fastening hole is formed at an appropriate position of the flange 252a of the back cabinet 252. The flange portion 252a of the back cabinet portion 252 is fastened to the back surface portion of the frame body 251 in which the liquid crystal panel 2 and the backlight 4 are press-fitted into the groove portion 251a by fastening members such as screws 253 and 253 and screws. Has also been concluded.

  In the display device according to the modified example 2, it is possible to stably attach the liquid crystal panel 2, the backlight 4, and the like to the cabinet 205 while minimizing the number of fastening members to be used.

(Modification 3)
FIG. 6 is a side sectional view schematically showing one configuration example of the display device according to the third modification. Similar to the embodiment, the display device according to the modification 3 includes the protection plate 1, the liquid crystal panel 2, the optical sheet 3, the backlight 4, the cabinet 5, and the like, and only the structure of the heat dissipation structure is different from the embodiment. Therefore, the above differences will be mainly described below.

  The display device according to the modification 3 includes a heat radiating unit 9 for releasing heat generated in the backlight 4, the tuner 6, and the electric circuit 7 to the outside. The heat dissipating unit 9 is disposed so as to contact the back surface of the backlight 4, that is, the back surface of the backlight chassis, and the back cabinet unit 52. That is, the back cabinet portion 52 has a flat plate shape having a depth in the front-rear direction, but has a width of the front-rear method that can contact the heat radiating portion 9 fixed to the back surface of the backlight 4. . The heat radiating part 9 is a plate-like member formed of a member having high heat conductivity, such as aluminum or copper.

  In the display device according to the modified example 3, heat generated in the backlight 4 or the like can be released through the heat radiating unit 9 and the back cabinet unit 52. Since the heat conductivity of silicon resin is relatively high, it is possible to efficiently dissipate heat.

  The embodiments disclosed herein are illustrative in all respects and should not be considered as restrictive. The scope of the present invention is defined not by the above-mentioned meaning but by the scope of the claims, and is intended to include all modifications within the meaning and scope equivalent to the scope of the claims.

DESCRIPTION OF SYMBOLS 1 Protection plate 2 Liquid crystal panel 3 Optical sheet 4 Backlight 5,105,205 Cabinet 6 Tuner 7 Electric circuit 8 Stand 21 Display surface 1a, 2a, 3a, 4a Peripheral part 51 Frame 51a Groove part 52,152,252 Back cabinet part 152a, 252a buttocks

Claims (7)

In a display device comprising a liquid crystal panel having a display surface on the front side, a backlight that illuminates the liquid crystal panel from the rear side , and a cabinet portion that covers the rear side of the backlight,
A display device comprising: a frame body made of an elastic body and having a groove portion on the inner peripheral surface into which the peripheral portion of the cabinet portion, the liquid crystal panel, and the backlight is press-fitted. The cabinet part is
Has a flange portion, the flange portion, a display device according to claim 1, characterized in that it is press-fitted into the groove of the frame. In a display device comprising a liquid crystal panel having a display surface on the front side, a backlight that illuminates the liquid crystal panel from the rear side , and a cabinet portion that covers the rear side of the backlight,
An elastic body, Bei example a frame having on the inner peripheral surface of the groove peripheral edge portion of the liquid crystal panel and the backlight is press,
The display device , wherein the frame body in which the liquid crystal panel and the backlight are press-fitted into the groove portion is fastened to the cabinet portion . The cabinet part is
Has a flange portion, before Kiwakutai A display device according to claim 3, characterized in that it is fastened to the flange portion of the cabinet section. A heat dissipating part for dissipating heat generated in the backlight is provided,
The heat radiation member, said backlight, front display device according to any one of claims 1 to claim 4, characterized in that in contact with the Kiki cabinets portion. The display device according to any one of claims 1 to 5, wherein the frame is made of a thermosetting silicone resin. A display device according to any one of claims 1 to 6,
A receiver for receiving a television signal,
The display device
A television receiver, wherein a video is displayed by a television signal received by the receiving unit.

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