JP4479666B2 - LIGHTING DEVICE AND LIQUID CRYSTAL DISPLAY DEVICE USING THE SAME - Google Patents

Description

  The present invention relates to a lighting device and a liquid crystal display device using the same.

  Conventionally, this kind of apparatus is shown by patent document 1, for example. According to Patent Document 1, the bottom plate 20, the reflection sheet 40, the linear light source 50, the holder 51, the lead wire 52a, the light guide plate 55, the optical sheet 60, the liquid crystal cell ( The frame body 20 is shown.

A bent portion is formed in the reflection sheet 40, and the linear light source 50 and the holder 51 are accommodated in the bent portion. The reflection sheet 40 is accommodated in the bent portion of the bottom plate 20.
JP 2005-91821 A

  However, in the above apparatus, the lead wire 52a is inserted through a round hole formed at a predetermined position of the holder 51. The conductor portion of the lead wire 52a and the one-side electrode of the linear light source 55 are connected by solder or the like.

  However, since the length of the linear light source 50 has a tolerance of a predetermined value ± 1 mm, the position of the connection point by the solder varies. Thus, since the position of the round hole and the position of the connection point are shifted, there is a first defect that stress is applied to the connection point and the lead wire 52a is easily broken.

  In order to eliminate this defect, the present inventor formed the round hole large. Therefore, there is a second disadvantage that the play allowance (movable distance) of the lead wire 52a is increased, hitting the edge of another metallic part, and easily cut. The present invention provides a lighting device and a liquid crystal display device using the same, in consideration of such conventional drawbacks, in which the lead wire is difficult to break and the cutting of the lead wire is prevented.

In order to achieve the above object, the illumination device of claim 1 includes a reflector, a first linear light source, a first holder, a second holder, a first lead wire, and a second lead wire, Each end of the first linear light source is supported by the first holder and the second holder, and the reflector supports the first holder and the second holder so as to cover the first linear light source, The conductor portions of the first lead wire and the second lead wire are respectively connected to the first electrode and the other electrode of the first linear light source, and the inlet portions of the first holder and the second holder are respectively A substantially rectangular parallelepiped first hole and a second hole are respectively formed, the width of the first hole being larger than the wire diameter of the first lead wire, and the height of the first hole being the first lead wire. Smaller than the wire diameter of the second lead wire, and the width of the second hole is larger than the wire diameter of the second lead wire. The height is formed so as be smaller than the diameter of the second lead wire, so as to close the first linear light source, second linear where each end is supported by the first holder and the second holder A light source is provided, and the reflector is provided so as to cover the first linear light source and the second linear light source, and each conductor portion of the third lead wire and the fourth lead wire is formed of the second linear light source. The first electrode and the second electrode are connected to the first electrode and the second electrode, respectively, and each of the inlet portions of the first holder and the second holder has a substantially rectangular parallelepiped third hole and a fourth hole, and the width of the third hole Is larger than the wire diameter of the third lead wire, the height of the third hole is smaller than the wire diameter of the third lead wire, the width of the fourth hole is larger than the wire diameter of the fourth lead wire, The height of the four holes is formed to be smaller than the wire diameter of the fourth lead wire, and in the first holder A substantially rectangular parallelepiped first intermediate hole is formed between the inlet portion of the first hole and the inlet portion of the third hole, and in the second holder, the inlet portion of the second hole and the A substantially rectangular parallelepiped second intermediate hole was formed between the inlet portion of the fourth hole .

  The lighting device according to claim 2, wherein in the first holder, the first hole is connected to the inlet portion and includes an intermediate portion and an outlet portion, wherein the conductor portion of the first lead wire is the first portion. One end of the first linear light source is inserted in the outlet portion of the one linear light source.

  In the lighting device according to claim 3, in the second holder, the second hole is connected to the inlet portion and includes an intermediate portion and an outlet portion, and in the intermediate portion, the conductor portion of the second lead wire is the second portion. The other end of the first linear light source is inserted at the outlet portion.

  5. The illumination device according to claim 4, wherein the first holder is formed to be substantially plane-symmetric with respect to the second holder, and an outer surface of the first holder is associated with a first electrode of the first linear light source. A first display unit showing a display to be displayed was formed, and a second display unit showing a display related to the other electrode of the first linear light source was formed on the outer surface of the second holder.

  In the illuminating device according to claim 5, a second linear light source, each end of which is supported by the first holder and the second holder, is provided to be close to the first linear light source, and the reflector is the first linear light source. Provided so as to cover the linear light source and the second linear light source, and the conductor portions of the third lead wire and the fourth lead wire are respectively connected to the first electrode and the other electrode of the second linear light source. The inlet portions of the first holder and the second holder each have a substantially rectangular parallelepiped third hole and a fourth hole, and the width of the third hole is larger than the wire diameter of the third lead wire, The height of the third hole is smaller than the wire diameter of the third lead wire, the width of the fourth hole is larger than the wire diameter of the fourth lead wire, and the height of the fourth hole is the fourth lead wire. It was formed to be smaller than the wire diameter.

  In the illumination device according to claim 6, in the first holder, a substantially rectangular parallelepiped first intermediate hole is formed between the inlet portion of the first hole and the inlet portion of the third hole, In the second holder, a substantially rectangular parallelepiped second intermediate hole is formed between the inlet portion of the second hole and the inlet portion of the fourth hole.

  The liquid crystal display device according to claim 7, a liquid crystal cell, a light guide plate and a reflection plate disposed on a back side of the liquid crystal cell, and the illumination device according to any one of claims 1 to 6, A liquid crystal cell, a light guide plate, a reflector, and a frame that supports the lighting device, and the reflector is arranged so that the first linear light source and the second linear light source face a side surface of the light guide plate. It was provided so as to cover the vicinity of each end of the light guide plate and the vicinity of each end of the reflection plate.

  As in claim 1, the width of the first hole is larger than the wire diameter of the first lead wire, and the height of the first hole is smaller than the wire diameter of the first lead wire. As a result, even if the length of the first linear light source varies and the position of the connection point between the first lead wire and the first linear light source is shifted, the width of the first hole through which the first lead wire passes is sufficient. The first lead wire has a degree of freedom, stress is not applied to the connection point, and the first lead wire is difficult to break. And since the height of the 1st hole is provided smaller than the wire diameter of the 1st lead wire, since the 1st lead wire is regulated in the height direction, it is hard to hit the edge of metallic parts, and is hard to cut. The width of the second hole is larger than the wire diameter of the second lead wire, and the height of the second hole is smaller than the wire diameter of the first lead wire. As a result, even if the length of the first linear light source varies and the position of the connection point between the second lead wire and the first linear light source is shifted, the width of the second hole through which the second lead wire passes is sufficient. The second lead wire has a degree of freedom, stress is not applied to the connection point, and the second lead wire is difficult to break. Since the height of the second hole is smaller than the wire diameter of the second lead wire, the second lead wire is regulated in the height direction, so that it does not easily hit the edge of the metallic part and is difficult to cut.

According to a second aspect of the present invention, in the first holder, the first hole is connected to the inlet portion, and includes an intermediate portion and an outlet portion, where the conductor portion of the first lead wire is on one side of the first linear light source. Connected to the electrode, one end of the first linear light source is inserted at the outlet. As a result, after connecting the first lead wire and the first electrode of the first linear light source, the first holder can easily pass through the first lead wire and can be easily inserted into the first linear light source.

According to a third aspect of the present invention, in the second holder, the second hole is connected to the inlet portion and includes an intermediate portion and an outlet portion, where the conductor portion of the second lead wire is the other side of the first linear light source. Connected to the electrode, the other end of the first linear light source is inserted at the outlet. As a result, after connecting the second lead wire and the other electrode of the first linear light source, the second holder easily passes through the second lead wire and is easily inserted into the second linear light source.

  Since the 1st holder is formed in plane symmetry substantially with respect to the 2nd holder like Claim 4, these both holders are easy to manufacture. In addition, a first display unit showing a display related to the first electrode of the first linear light source is formed on the outer surface of the first holder, and the other electrode of the first linear light source is formed on the outer surface of the second holder. Since the 2nd display part which shows the display relevant to is formed, the operator can attach to a regular position, without mistaking the 1st holder and the 2nd holder.

  As in claim 5, the width of the third hole is larger than the wire diameter of the third lead wire, and the height of the third hole is smaller than the wire diameter of the third lead wire. As a result, even if the length of the second linear light source varies and the position of the connection point between the third lead wire and the second linear light source is shifted, the width of the third hole through which the third lead wire passes is sufficient. The third lead wire has a degree of freedom, no stress is applied to the connection point, and the third lead wire is difficult to break. And since the height of the 3rd hole is provided smaller than the wire diameter of the 3rd lead wire, since the 3rd lead wire is regulated in the height direction, it is hard to hit the edge of metallic parts, and is hard to cut. The width of the fourth hole is larger than the wire diameter of the fourth lead wire, and the height of the fourth hole is smaller than the wire diameter of the fourth lead wire. As a result, even if the length of the second linear light source varies and the position of the connection point between the fourth lead wire and the second linear light source is displaced, the width of the fourth hole through which the fourth lead wire passes is sufficient. The fourth lead wire has a degree of freedom, stress is not applied to the connection point, and the fourth lead wire is difficult to break. Since the height of the fourth hole is smaller than the diameter of the fourth lead wire, the fourth lead wire is regulated in the height direction, so that it is difficult to hit the edge of the metallic part and is difficult to cut.

  As in claim 6, in the first holder, a substantially rectangular parallelepiped first intermediate hole is formed between the inlet portion of the first hole and the inlet portion of the third hole. As a result, the meat portion located between the first hole and the first intermediate hole is easily deformed, so that the first lead wire is easily passed through the first hole. Further, in the second holder, a substantially rectangular parallelepiped second intermediate hole was formed between the inlet portion of the second hole and the inlet portion of the fourth hole. As a result, the meat portion located between the second hole and the second intermediate hole is easily deformed, so that the second lead wire is easily passed through the second hole.

  The liquid crystal display device according to claim 7, a liquid crystal cell, a light guide plate and a reflection plate disposed on a back side of the liquid crystal cell, and the illumination device according to any one of claims 1 to 6, A liquid crystal cell, a light guide plate, a reflector, and a frame that supports the lighting device, and the reflector is arranged so that the first linear light source and the second linear light source face a side surface of the light guide plate. It was provided so as to cover the vicinity of each end of the light guide plate and the vicinity of each end of the reflection plate. With the above configuration, a liquid crystal display device can be obtained in which the lead wire is not easily broken and the lead wire is not easily broken by an edge or the like.

  Hereinafter, the best mode for carrying out the present invention will be described in detail with reference to examples and drawings. The following embodiments exemplify an example of a liquid crystal display device for embodying the technical idea of the present invention. The present invention can be equally applied to various modifications without departing from the technical idea shown in the claims.

  FIG. 1 is an exploded perspective view of a liquid crystal display device 1 according to an embodiment of the present invention. FIG. 2 is a front view of the liquid crystal display device 1 (assembled product). 3 and 4 are AA and BB sectional views of FIG. 2, respectively. 5 is a perspective view of a main part, FIG. 6 is a detailed view of a part C of FIG. 5, and FIG.

  In these drawings, the liquid crystal display device 1 includes a liquid crystal cell 2, an illuminating device 3, and a frame 4 that supports the liquid crystal cell 2 and the illuminating device 3.

  In the liquid crystal cell 2, a pair of glass substrates 5 and 6 are bonded together by a sealing material (not shown) applied along the vicinity of the outer peripheral edge of these substrates 5 and 6, and the liquid crystal is put in the inside. It is enclosed.

  Further, a plurality of TCPs (Tape Carrier Package, not shown) on which driving ICs (not shown) are mounted are attached to a plurality of terminals (not shown) on one glass substrate 6. Yes. Some other ends of the TCP are connected to a control board (not shown).

  The illuminating device 3 is disposed on the back side of the liquid crystal cell 2 (on the side opposite to the display surface), and the light guide plate 9, the reflection plate 10, the reflector 11, the holder 12, the light sources 13 and 14, A reinforcing plate 15 and a buffer 16 are provided (see FIG. 3).

  The light guide plate 9 is made of, for example, acrylic resin, and is rectangular when viewed from a plane. When viewed in cross section, the light guide plate 9 is formed such that the side surface 9a of the light guide plate 9 is thick (see FIG. 3) and the other side surface 9b of the light guide plate 9 is thin (see FIG. 4). The light guide plate 9 is formed in a wedge shape. That is, the upper surface of the light guide plate 9 is formed horizontally and the bottom surface is formed inclined.

  The reflecting plate 10 is made of a reflecting material and is disposed in contact with the bottom surface of the light guide plate 9. The left end of the reflection plate 10 is disposed so as to protrude slightly to the left of the side surface 9a of the light guide plate 9 (see FIG. 3). The right end of the reflection plate 10 is slightly shifted to the left side from the other side surface 9b of the light guide plate 9 (see FIG. 4).

  The reflector 11 is made of, for example, aluminum, and is practically formed in an inverted U shape when viewed in cross section. The reflector 11 has an elongated shape when viewed from a plane (see FIG. 1).

  The reflector 11 has an upper surface 11a, a side surface 11b, and a bottom surface 11c. The reflector 11 has notches 11d and 11e formed at two locations near the left end and near the right end (see FIG. 1). Both the notches 11d and 11e are portions where one part of the upper surface 11a and one part of the bottom surface 11c are notched.

  The second holder 12 is made of, for example, silicon rubber. The first holder 12A is formed symmetrically with respect to the second holder 12 (see FIG. 5).

  In this way, one notch portion 11 d is formed at a position near the second holder 12. The other notch 11e is formed at a position close to the first holder 12A.

  Both the first linear light source 13 and the second linear light source 14 are linear light sources composed of cold cathode tubes or the like, for example.

  In this way, the reflector 11 is supported by the second holder 12 and the first holder 12A so that the first linear light source 13 and the second linear 14 are opposed to the side surface 9a of the light guide plate 9. It is provided so as to cover the light source 13 and the second linear light source 14 and to cover the vicinity of each end of the light guide plate 9 and the reflection plate 10.

  The reinforcing plates 15 and 15A are both made of a metal plate, and are both substantially U-shaped when viewed in cross section (see FIGS. 1 and 3).

  The reinforcing plate 15 is accommodated in the notch 11 d so as to cover the second holder 12. The reinforcing plate 15A is accommodated in the notch 11e so as to cover the first holder 12A.

  The bottom plate 24 is made of, for example, a metal plate or the like, and has a substantially inverted L shape when viewed in cross section (see FIG. 3). The bottom plate 24 has an elongated shape when viewed from a plane (see FIG. 1).

  The bottom plate 24 has an upper surface 24a, a side surface 24b, and a bottom surface 24c. The side surface 24 b of the bottom plate 24 is disposed in contact with the side surface 11 b of the reflector 11.

  The reinforcing plate 15 is disposed in contact with or in close proximity (for example, a gap of 0.1 to 0.3 mm) between the inner surface of the side surface 24b formed on the bottom plate 24 and the inner surface of the notch portion 11d. Yes.

  The reinforcing plate 15A is disposed so as to abut or approach (for example, a gap of 0.1 to 0.3 mm) between the inner surface of the side surface 24b formed on the bottom plate 24 and the inner surface of the notch portion 11e. Yes.

  The buffer bodies 16 and 16A are made of, for example, a relatively hard elastic body such as PET resin, and an adhesive is provided on the back surface. The width of the buffer bodies 16 and 16A (the length in the longitudinal direction of the side surface 9a of the light guide plate 9) is about 4 mm.

  As described above, the reinforcing plate 15 is disposed between the side surface 9 a of the light guide plate 9 and the holder 12. The reinforcing plate 15A is disposed between the side surface 9a of the light guide plate 9 and the first holder 12A.

  The buffer body 16 is fixed to the side surface of the reinforcing plate 15 and is disposed in contact with or close to the side surface 9a of the light guide plate 9 (for example, the gap is 0.1 to 0.3 mm). The buffer body 16A is fixed to the side surface of the reinforcing plate 15A, and is disposed in contact with or close to the side surface 9a of the light guide plate 9 (for example, the gap is 0.1 to 0.3 mm).

  The light guide plate 9, the reflection plate 10, the reflector 11, the holders 12 and 12A, the light sources 13 and 14, the reinforcing plates 15 and 15A, the buffer bodies 16 and 16A, and the lead wires 17, 18, 19, 20, connectors 22 and 23, and a bottom plate 24 are provided.

  The frame body 4 is formed with a protrusion 25 that covers the reflector 11. Adhered first adhesive materials 26 are respectively provided on the outer surface of the reflector 11 and the inner surface of the protrusion 25 (see FIG. 3).

  A prism sheet 27 is disposed on the light guide plate 9. A diffusion sheet 28 is disposed above the prism sheet 27. A radiator plate 29 is disposed on the bottom surface of the bottom surface 11c of the reflector 11 (see FIG. 3). Note that the length of the bottom surface 11c formed on the reflector 11 (the length extending in the left-right direction in FIG. 3) is about 10 mm.

  The frame body 4 is made of, for example, plastic, is formed in a frame shape, and an opening 30 is formed in the center. On three sides of the frame body 4, a side portion 31 b (see FIG. 4) extending in the vertical direction, a side portion 31 c (not shown), and a side portion 31 d (not shown) are formed.

  On the three sides of the frame 4, mounting portions 32 b, 32 c, and 32 d that are connected to the side portions 31 b, 31 c, and 31 d and are located around the opening 30 are formed.

  The support 33 has a substantially crank-shaped cross section (see FIG. 4), and has a long and narrow shape when viewed from a plane (see FIG. 1). The collar part formed in the lower part of the support body 33 is engaged with the collar part of the side part 31b formed in the frame 4 (refer FIG. 4).

  On the side of the frame 4, an upper placement portion 34 a is formed on the upper portion of the frame 4 (see FIG. 3). An upper placement portion 34b is formed on the support 33 (see FIG. 4). An upper placement portion 34c is formed on the upper portion of the frame body 4 (not shown). An upper placement portion 34d is formed on the upper portion of the frame body 4 (not shown).

  The front frame 35 is made of, for example, a metal plate or the like, and an opening 36 is formed at the center and is formed in a frame shape.

  The upper surface of the front frame 35 is in contact with the upper surface 37a of the frame body 4, and the side surface of the front frame 35 is in contact with and fixed to the side surface 24b of the bottom plate 24 (see FIG. 3).

  The upper surface of the front frame 35 is in contact with the upper surface 37b of the frame body 4 (see FIG. 4).

  The upper surface and side surfaces of the front frame 35 cover the liquid crystal cell 2 and the frame body 4 (not shown).

  The upper surface of the front frame 35 is in contact with the upper surface 37d of the frame body 4, and the side surface of the front frame 35 is in contact with the side surface 37e of the frame body 4 and is fixed (not shown).

  The heat radiating plate 29 is made of, for example, aluminum, and has a bottom portion and three bent portions. The heat radiating plate 29 is disposed on the placement portions 32b, 32c, and 32d formed on the frame body 4 (see FIG. 4).

  The reflector 10 is disposed on the bottom of the heat sink 29. The light guide plate 9 is disposed on the reflection plate 10. Thus, the heat sink 29 is exposed through the opening 30 (see FIG. 1).

  In the light guide plate 9, there are provided second adhesive materials 38 respectively bonded to the back surface in the vicinity of the other side surface 9 b, which is located on the opposite side of the side surface 9 a facing the light sources 13 and 14, and the surface of the heat radiating plate 29. (See FIG. 4).

  The prism sheet 27 is disposed on the light guide plate 9. The vicinity of the right end of the prism sheet 27 is fixed on an upper placement portion 34 d formed on the frame body 4 via an adhesive material 39. The spacer 40 is fixed on the vicinity of the right end of the prism sheet 27 via an adhesive (not shown).

  The diffusion sheet 28 is disposed on the prism sheet 27. The vicinity of the left end of the diffusion sheet 28 is fixed on an upper placement portion 34 c formed on the frame body 4 via an adhesive material 41. The spacer 42 is fixed on the vicinity of the left end of the diffusion sheet 28 via an adhesive (not shown).

  The AA side of the liquid crystal cell 2 is placed on the upper placement part 34a of the frame 4 (see FIG. 3), and the BB side of the liquid crystal cell 2 is placed on the upper placement part 34b of the support 33. (See FIG. 4).

  The lateral side of the liquid crystal cell 2 is placed on the spacer 42, and the other lateral side of the liquid crystal cell 2 is placed on the spacer 40. The liquid crystal display device 1 is configured by the above components.

  The characteristic configuration of the liquid crystal display device 1 will be described below. The following first, second, third, fourth, and seventh features are applied to a single lamp type (one linear light source). The first to seventh features can also be applied to a multi-lamp type (having a plurality of linear light sources).

  First, the first feature will be described. The illumination device 3 includes a reflector 11, a first linear light source 13, a first holder 12A, a second holder 12, a first lead wire 17, and a second lead wire 18 (FIGS. 1 and 6). reference).

  Each end of the first linear light source 13 is supported by the first holder 12A and the second holder 12 (see FIG. 5). The reflector 11 supports the first holder 12A and the second holder 12 so as to cover the first linear light source 13 (see FIGS. 1 and 3).

  The conductor portions 17a and 18a of the first lead wire 17 and the second lead wire 18 are respectively connected to the first electrode 13a and the other electrode 13b (not shown) of the first linear light source 13 ( (See FIG. 6).

  The inlet portions 50a and 53a of the first holder 12A and the second holder 12 are each formed with a substantially rectangular parallelepiped first hole 50 and second hole 53 (see FIGS. 6 and 7). The width W of the first hole 50 is larger than the wire diameter of the first lead wire 17, and the height F of the first hole 50 is smaller than the wire diameter D of the first lead wire 17 (see FIG. 6).

  The width of the second hole 53 is larger than the wire diameter of the second lead wire 18 and the height of the second hole 53 is smaller than the wire diameter of the second lead wire 18 (see FIG. 7).

  Next, the second feature will be described. In the first holder 12A, the first hole 50 is connected to the inlet portion 50a and includes an intermediate portion 50b and an outlet portion 50c. In the intermediate part 50 b, the conductor part 17 a of the first lead wire 17 is connected to the first electrode 13 a of the first linear light source 13. At the outlet 50c, one end of the first linear light source 13 is inserted (see FIG. 6).

  The third feature will be described. In the second holder 12, the second hole 53 is connected to the inlet portion 53a and includes an intermediate portion 53b and an outlet portion 53c (see FIG. 7). In the intermediate portion 53b, the conductor portion (not shown) of the second lead wire 18 is connected to the other electrode (not shown) of the first linear light source 13. At the exit 53c, the other end of the first linear light source 13 is inserted (see FIG. 5).

  Next, the fourth feature will be described. The first holder 12A is formed substantially plane-symmetric with respect to the second holder 12 (see FIG. 5). On the outer surface of the first holder 12 </ b> A, a first display unit that displays a display (for example, G) related to the one-side electrode 13 a (for example, a ground electrode) of the first linear light source 13 is formed. On the outer surface of the second holder 12, a second display unit 56 is formed which shows a display (for example, H) related to the other side electrode 13b (for example, an anode voltage) of the first linear light source 13 (FIG. 7). (See (a)).

  The fifth feature will be described. In order to be close to the first linear light source 13, a second linear light source 14 supported at each end by the first holder 12A and the second holder 12 is provided (see FIG. 6). The reflector 11 is provided so as to cover the first linear light source 13 and the second linear light source 14 (see FIG. 3).

  The conductor portions 19a and 20a of the third lead wire 19 and the fourth lead wire 20 are respectively connected to the first electrode 14a and the other electrode 14b of the second linear light source 14 (see FIG. 6).

  The inlet portions 51a and 54a of the first holder 12A and the second holder 12 are respectively formed with a substantially rectangular parallelepiped third hole 51 and a fourth hole 54 (see FIGS. 6 and 7).

  The width W of the third hole 51 is larger than the wire diameter of the third lead wire 19, and the height E of the third hole 51 is smaller than the wire diameter D of the third lead wire 19 (see FIG. 6). .

  The width of the fourth hole 54 is larger than the wire diameter of the fourth lead wire 20, and the height of the fourth hole 54 is formed to be smaller than the wire diameter of the fourth lead wire 20.

  Next, a sixth feature will be described. In the first holder 12A, a substantially rectangular parallelepiped first intermediate hole 52 is formed between the inlet portion 50a of the first hole 50 and the inlet portion 51a of the third hole 51 (see FIG. 6). .

  In the second holder 12, a substantially rectangular parallelepiped second intermediate hole 55 is formed between the inlet 53a of the second hole 53 and the inlet 54a of the fourth hole 54 (see FIG. 7). .

  Finally, the seventh feature will be described. The liquid crystal cell 2, the light guide plate 9 and the reflection plate 10 disposed on the back side of the liquid crystal cell 2, and the illumination device 3 described in any one of claims 1 to 6 are provided.

  A liquid crystal cell 2, a light guide plate 9, a reflection plate 10, and a frame body 2 that supports the illumination device 3 are provided. In order for the first linear light source 13 and the second linear light source 14 to face the side surface 9 a of the light guide plate 9, the reflector 11 is provided so as to cover the vicinity of each end of the light guide plate 9 and the vicinity of each end of the reflection plate 10. (See FIG. 3).

It is a disassembled perspective view of the liquid crystal display device 1 which concerns on the Example of this invention. It is a front view of the liquid crystal display device 1 (assembly product). It is AA sectional drawing of FIG. It is BB sectional drawing of FIG. 3 is a perspective view of a main part of the liquid crystal display device 1. FIG. FIG. 6 is a detailed view of part C of FIG. 7 (a) is a rear view of the second holder 12, FIG. 7 (b) is a left side view of the second holder 12, FIG. 7 (c) is a front view of the second holder 12, and FIG. 7 (d). Fig. 7 (e) is a plan view of the second holder 12, Fig. 7 (f) is a bottom view of the second holder 12, and Fig. 7 (g) is a second holder. 12 is a perspective view of FIG.

Explanation of symbols

DESCRIPTION OF SYMBOLS 2 Liquid crystal cell 3 Illuminating means 9 Light guide plate 10 Reflector 11 Reflector 12A 1st holder 12 2nd holder 13 1st linear light source 14 2nd linear light source

Claims (5)

A reflector, a first linear light source, a first holder, a second holder, a first lead wire, and a second lead wire, and each end of the first linear light source includes the first holder and the Supported by a second holder, the reflector supports the first holder and the second holder so as to cover the first linear light source, and each conductor portion of the first lead wire and the second lead wire is The first linear light source is connected to the first electrode and the second electrode, respectively, and each of the inlet portions of the first holder and the second holder has a substantially rectangular parallelepiped first hole and second hole, respectively. And the width of the first hole is larger than the diameter of the first lead, the height of the first hole is smaller than the diameter of the first lead, and the width of the second hole is the second. The wire diameter is larger than the lead wire, and the height of the second hole is smaller than the wire diameter of the second lead wire. Is, in order to close the first linear light source, second linear light sources each end is supported by the first holder and the second holder is provided, said reflector said first linear light source and the second The conductor portions of the third lead wire and the fourth lead wire are respectively connected to the first side electrode and the other side electrode of the second linear light source, so as to cover the two-line light source, Each of the inlet portions of the second holder is formed with a substantially rectangular parallelepiped third hole and a fourth hole, and the width of the third hole is larger than the wire diameter of the third lead wire, and the height of the third hole is high. The width of the fourth hole is larger than the wire diameter of the fourth lead wire, and the height of the fourth hole is smaller than the wire diameter of the fourth lead wire. In the first holder, between the inlet portion of the first hole and the inlet portion of the third hole A substantially rectangular parallelepiped first intermediate hole is formed, and in the second holder, a substantially rectangular parallelepiped second intermediate hole is formed between the inlet portion of the second hole and the inlet portion of the fourth hole. A lighting device characterized in that a hole is formed . In the first holder, the first hole is connected to the inlet portion and includes an intermediate portion and an outlet portion. In the intermediate portion, the conductor portion of the first lead wire is a one-side electrode of the first linear light source. The lighting device according to claim 1, wherein one end of the first linear light source is inserted in the outlet portion. In the second holder, the second hole is connected to the inlet portion and includes an intermediate portion and an outlet portion, and the conductor portion of the second lead wire is the other electrode of the first linear light source in the intermediate portion. The lighting device according to claim 1, wherein the other end of the first linear light source is inserted in the outlet portion. The first holder is formed to be substantially plane-symmetric with respect to the second holder, and a first display unit showing a display related to the one-side electrode of the first linear light source on the outer surface of the first holder The illumination device according to claim 1, wherein a second display unit is formed on the outer surface of the second holder to display a display related to the other electrode of the first linear light source. A liquid crystal cell, a light guide plate and a reflector disposed on the back side of the liquid crystal cell, and the illumination device according to any one of claims 1 to 6, the liquid crystal cell, the light guide plate, and the reflection A reflector and a frame that supports the lighting device, and the reflector is disposed near each end of the light guide plate and the light source plate so that the first linear light source and the second linear light source face the side surface of the light guide plate. A liquid crystal display device provided to cover the vicinity of each end of a reflector.

Images