JP2009151112A - Liquid crystal display device and assembling method of liquid crystal display device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a liquid crystal display device capable of improving assembling workability in such a constitution as to hold a peripheral part of a liquid crystal panel back and forth by a frame part and a holder of a cabinet front portion. <P>SOLUTION: The liquid crystal display device comprises: the liquid crystal panel 1 having a display surface 1a on the front side; a light source part 2 arranged on the back side of the liquid crystal panel 1; a cabinet 5 which has the frame part 51 arranged on the front side of the peripheral part of the liquid crystal panel 1 and conceals the peripheral part of the liquid crystal panel 1 and the back side of the light source part 2; and the holder 4 which is arranged between the light source part 2 and the liquid crystal panel 1 in the cabinet 5 and holds the back side of the peripheral part of the liquid crystal panel 1. Therein, the cabinet 5 comprises: the cabinet front portion 5a which grips the peripheral part of the liquid crystal panel 1 back and forth by the frame part 51 and holder 4; and a cabinet rear portion 5b, wherein a first fastening claw 10 for joining the cabinet front portion 5a and the holder 4, and a second fastening claw 11 for joining the light source part 2 to the cabinet front portion 5a or the holder 4 are disposed. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a liquid crystal display device such as a liquid crystal television and an assembling method thereof.

  A liquid crystal display device such as a liquid crystal television has a liquid crystal panel having a rectangular parallelepiped with a display surface on the front side, a front holding frame that holds the front side of the peripheral part of the liquid crystal panel, and a rear side of the peripheral part of the liquid crystal panel A rear holding frame, a light source arranged on the rear side of the rear holding frame, and a frame arranged on the front side of the peripheral edge of the liquid crystal panel; (See, for example, Patent Documents 1 and 2).

  The light source section has a plurality of lamps arranged in parallel with each other in the vertical direction and a case body that is open on the front side and supports the lamp, and the cabinet is attached to the peripheral edge of the case body.

  The cabinet extends rearward from the frame portion that conceals the ring plate portion of the front holding frame (substantially the front side of the peripheral edge of the liquid crystal panel) and the outer edge of the frame, and is larger than the front holding frame. A cabinet front part having a square tube part, a dish-like plate part that conceals the rear side of the case body, and a square tube part that extends forward from the outer edge of the dish-like plate part and is larger than the front holding frame The square tube part of the cabinet front part and the square tube part of the cabinet rear part are fitted to each other, and a plurality of frame parts and dish-like plate parts are provided on the peripheral part of the case body. They are connected with male screws.

  In the assembly of the liquid crystal display device configured as described above, the lamp is accommodated and supported in the case body of the light source unit, the light source unit is laid flat on the work table so that the case body is open upward, and the light source unit The liquid crystal panel is placed on the ring plate portion of the holding frame after being placed flat on the work table at a different location, the front holding frame is placed on the liquid crystal panel, and a plurality of male screws are held in front A panel module is formed which is attached to the annular plate portion of the rear holding frame from the frame side, and the peripheral edge of the liquid crystal panel is attached by the front holding frame and the rear holding frame.

The panel module is placed on the case body of the light source unit, and the male screw is inserted into the plurality of insertion holes penetrating the peripheral edge of the panel module from the front holding frame body side so that the panel module and the light source unit are integrated. With the panel module and the light source unit standing upright, the cabinet front segment is inserted from the front side of the panel module, the cabinet rear segment is inserted from the rear side of the light source unit, and the cabinet rear segment By inserting the male screw into the insertion hole provided in the plate-like plate portion, the cabinet front division and the cabinet rear division are coupled to the case body.
JP 2006-215492 A JP 2007-58180 A

  However, in the conventional liquid crystal display device configured as in Patent Documents 1 and 2, a panel module is formed by the front holding frame and the rear holding frame holding the peripheral edge of the liquid crystal panel forward and backward, and the panel module is formed. Since the modules are arranged in the cabinet, thinning of the liquid crystal display device is limited, and improvement measures have been demanded.

  Therefore, the applicant of the present invention can reduce the thickness by eliminating the front holding frame constituting the panel module and holding the peripheral edge of the liquid crystal panel between the frame portion of the front cabinet and the rear holding frame. The liquid crystal display device configured as described above was developed first.

  However, the previously developed liquid crystal display device is assembled in a procedure different from the assembly procedure of the conventional liquid crystal display device because the front cabinet of the cabinet, the rear holding frame and the light source unit are combined. There was a demand for improvement in performance.

  SUMMARY OF THE INVENTION The present invention has been made in view of such circumstances, and a main object of the present invention is to provide a cabinet front body and a holding body in a configuration in which the peripheral portion of the liquid crystal panel is held back and forth by the frame portion and the holding body of the cabinet front body. And a liquid crystal display device capable of improving the assembly workability by including a first coupling unit for coupling the light source unit and a second coupling unit for coupling the light source unit to the cabinet front body or the holding body. It is to provide an assembly method for this.

  The liquid crystal display device according to the present invention has a liquid crystal panel having a display surface on the front side, a light source part arranged on the rear side of the liquid crystal panel, and a frame part arranged on the front side of the peripheral part of the liquid crystal panel. A cabinet for concealing the peripheral portion of the liquid crystal panel and the rear side of the light source unit, and a holding body disposed between the light source unit and the liquid crystal panel in the cabinet and holding the rear side of the peripheral portion of the liquid crystal panel The cabinet includes a cabinet front part and a cabinet rear part that hold the peripheral part of the liquid crystal panel forward and backward by the frame part and the holding body, and the cabinet front part and It is characterized by comprising first coupling means for coupling the holding body and second coupling means for coupling the light source part to the front cabinet or the holding body.

  In the present invention, the cabinet front division and the holding body can be coupled by the first coupling means in a state where the peripheral portion of the liquid crystal panel is held back and forth by the frame portion and the holding body of the cabinet front division. In addition, the combined front cabinet or holding body and the light source unit can be coupled by the second coupling means, and the rear cabinet can be coupled to the coupled intermediate assembly. Therefore, it can be easily assembled without exposing the coupling structure to the front surface of the frame portion.

  In addition, the liquid crystal display device according to the present invention includes a liquid crystal panel having a display surface on the front side, a light source part arranged on the rear side of the liquid crystal panel, and a frame part arranged on the front side of the peripheral part of the liquid crystal panel. A cabinet that conceals the peripheral portion of the liquid crystal panel and the rear side of the light source unit, and is arranged between the light source unit and the liquid crystal panel in the cabinet and holds the rear side of the peripheral portion of the liquid crystal panel. In the liquid crystal display device including a holding body, the cabinet includes a front cabinet body and a rear cabinet body that hold the peripheral portion of the liquid crystal panel forward and backward by the frame portion and the holding body. It is characterized by comprising third coupling means for coupling the body and the light source part.

  In this invention, the peripheral part of the liquid crystal panel can be held between the frame part of the front part of the cabinet and the holding body by connecting the front part of the cabinet and the light source part by the third connecting means. In addition, since the rear cabinet of the cabinet can be coupled to the coupled intermediate assembly, the assembly can be easily performed without exposing the coupling structure on the front surface of the frame portion.

Moreover, it is preferable that the liquid crystal display device according to the present invention further includes fourth coupling means for coupling the holding body to the front cabinet or the light source unit.
In the present invention, it is possible to prevent the displacement of the holding body without being affected by the adhesive force of the liquid crystal panel, and it is possible to hold the liquid crystal panel at an appropriate position.

Further, in the liquid crystal display device according to the present invention, the first to fourth coupling means include a locking claw formed integrally with any of the cabinet front body, the holding body, and the light source unit, and the locking It is preferable to have a locked portion to which the claw is locked.
According to the present invention, the cabinet front body, the holding body, and the light source unit can be assembled without using screws, and the assembly workability can be further improved.

In addition, the liquid crystal display device according to the present invention includes at least a front opening of the cabinet, a holding body, a light source unit, and a rear division of the cabinet. And it is preferable that the cabinet front part, the holding body, the light source part, and the cabinet rear part are integrated by the male screw inserted in each hole.
According to the present invention, at least one type of male screw is inserted into and tightened into the holes set in the cabinet front and rear cabinets, and the cabinet front and front bodies, the holding body, the light source unit, and Each of the cabinet rear divisions can be firmly coupled, and the coupling rigidity of the cabinet front division, the holding body, and the light source unit coupled by the non-screw locking claws can be increased. In addition, since the cabinet front body, the holding body, the light source unit, and the cabinet rear body can be coupled with one type of male screw, the number of male screws for coupling can be reduced, and the assembly workability can be improved while increasing the coupling rigidity. Improvement and cost reduction can be achieved.

  The method for assembling the liquid crystal display device according to the present invention includes a liquid crystal panel having a display surface on the front side, a light source part arranged on the rear side of the liquid crystal panel, and a front side of the peripheral part of the liquid crystal panel. A cabinet having a frame portion that conceals the peripheral portion of the liquid crystal panel and the rear side of the light source unit, and is arranged between the light source unit and the liquid crystal panel in the cabinet and holds the rear side of the peripheral portion of the liquid crystal panel In the method of assembling a liquid crystal display device comprising the holding body, the cabinet has a front cabinet part and a rear cabinet part that hold the peripheral part of the liquid crystal panel forward and backward by the frame part and the holding body. And a first joining step for attaching the peripheral portion of the liquid crystal panel between the frame portion and the holding body, and joining the cabinet front part and the holding body, and the first joining step. T 2nd coupling | bonding process which mounts a net front body and a holding body in the said light source part, and couple | bonds this cabinet front body and a holding body to a light source part, and the cabinet front body combined by the 2nd coupling process And a third coupling step of coupling the cabinet rear divided body to the holding body and the light source unit.

  In the present invention, the peripheral portion of the liquid crystal panel is attached between the frame portion and the holding body of the cabinet front division, and the cabinet front division and the holding body are combined, and then the combined cabinet front division. And the cabinet front division, the holding body and the light source unit can be combined by placing the holding body on the light source unit, and the cabinet front division by covering the combined light source unit with the cabinet rear division, A holding body, a light source part, and a cabinet rear part can be combined, and the whole can be assembled easily.

  According to the present invention, in the configuration in which the peripheral portion of the liquid crystal panel is held forward and backward by the frame portion and the holding body of the cabinet front division, the first coupling means for coupling the cabinet front division and the holding body, and the light source unit Assembling workability can be improved by adopting a configuration including a second coupling means for coupling the frame to the cabinet front body or the holding body.

Hereinafter, the present invention will be described in detail with reference to the drawings illustrating embodiments thereof.
Embodiment 1
FIG. 1 is a longitudinal side view with a part omitted showing the configuration of the liquid crystal display device according to the present invention, FIG. 2 is a cross-sectional view in which other portions of the liquid crystal display device are longitudinally cut, and FIG. FIG. 4 and FIG. 5 are enlarged sectional views showing the configuration of the main part of the liquid crystal display device.

  The liquid crystal display device includes a liquid crystal panel 1 having a display surface 1a for displaying a television image on the front side, a light source unit 2 disposed on the rear side of the liquid crystal panel 1, and a light source unit 2 and a liquid crystal panel 1 disposed between the light source unit 2 and the liquid crystal panel 1. The optical sheet 3, the optical sheet 3 and the liquid crystal panel 1, the frame-shaped holding body 4 that holds the rear side of the peripheral part of the liquid crystal panel 1, and the front side of the peripheral part of the liquid crystal panel 1. A liquid crystal television having a frame portion 51 that covers the peripheral edge of the liquid crystal panel 1 and the rear side of the light source unit 2, and a stand attached to the rear surface of the light source unit 2, in other words, liquid crystal It is a display device.

  The liquid crystal panel 1 has a substantially rectangular parallelepiped shape, and one ends of a plurality of flexible printed boards on which electronic components are mounted are connected to the front surface of the upper edge portion and the front surface of the lower edge portion of the liquid crystal panel 1.

  The holding body 4 arranged on the rear side of the liquid crystal panel 1 includes a rectangular ring plate portion 41 facing the rear surface of the peripheral edge portion of the liquid crystal panel 1 and a rectangular tube extending rearward from the outer edge of the ring plate portion 41. Portion 42, an annular coupling plate portion 43 extending from the outer edge of the rectangular tube portion 42 in the direction along the sheet surface of the optical sheet 3, and an annular shape extending forward from the outer edge of the coupling plate portion 43. It has the coupling | bond part 44 and the square cylinder part 45 extended from the outer edge of the coupling | bonding board part 43 back.

  A band-shaped elastic body 6 that elastically receives the peripheral edge of the liquid crystal panel 1 is attached to the front surface of the ring plate portion 41, and penetrates in a plurality of circumferential positions of the coupling plate portion 43 in the front-rear direction. A through hole 46 is provided. In addition, square holes 47 penetrating in the direction along the sheet surface are opened at a plurality of circumferential positions of the coupling portion 44, and one edge of the square hole 47 is used as the locked portion 7. In addition, holes 48 that penetrate in the direction along the sheet surface are formed at a plurality of circumferential positions of the rectangular tube portion 45. The square hole 47 of the coupling portion 44 and the hole 48 of the square tube portion 45 are separated in the circumferential direction, and the rigidity of the holding body 4 is enhanced. A printed circuit board connected to the other end of each flexible printed circuit board is attached to the outer surface of the upper wall and the lower wall of the rectangular tube portion 45.

  The light source unit 2 includes a cylindrical lamp 21 in which a plurality of lamps are arranged side by side, a case body 22 having a deep dish shape that accommodates and supports the lamp 21 and supports the peripheral edge of the optical sheet 3; A reflection sheet 23 that is arranged along the inner surface of the rear wall of the case body 22 and reflects the light emitted by the lamp 21 accommodated in the case body 22 toward the open side of the case body 22, Electrical components such as a circuit board are attached to the outer surface of the wall.

  The lamp 21 is a cold-cathode tube or a hot-cathode tube having electrodes at both ends, both ends are held by concave holding portions arranged in parallel on both sides in the case body 22, and an intermediate portion is formed by a lamp clip. It is held on the rear wall of the body 22.

  The case body 22 has a substantially rectangular parallelepiped shape. The front opening edge extends outward along the sheet surface of the optical sheet 3, and the first receiving portion 22 a and the holding body 4 that receive the peripheral edge of the optical sheet 3. And a plurality of circumferential positions of the second receiving portion 22b. The second receiving portion 22b has a second receiving portion 22b and an annular coupling portion 22c extending rearward from the edge of the second receiving portion 22b. Are provided with through holes 24 penetrating in the front-rear direction, and holes 25 corresponding to the holes 48 of the holding body 4 are formed at a plurality of circumferential positions of the coupling portion 22c. Is the locked portion 8.

  The cabinet 5 is arranged on the front side of the peripheral portion of the liquid crystal panel 1, extends to the rear from the frame portion 51 that conceals the ring plate portion 41 of the holding body 4, and the outer edge of the frame portion 51, and is larger than the front holding body 4. From the holding body 4, which extends forward from the outer edge of the dish-shaped plate portion 53, which conceals the rear side of the case body 22, And a cabinet rear split body 5b having a large square tube portion 54, and are configured to be dust-proof by fitting the square tube portions 52 and 54 together.

  The frame part 51 of the cabinet front body 5a is formed to be larger than the liquid crystal panel 1, and a belt-like shape that elastically holds the peripheral part of the liquid crystal panel 1 at a position facing the front surface of the liquid crystal panel 1 on the inner peripheral side. An elastic body 9 is attached, and a cylindrical boss 56 having screw holes 55 corresponding to the through holes 46 is integrally formed at a plurality of circumferential positions on the outer peripheral side. Further, first and second locking claws 10, 11 that are locked to the locked portions 7, 8 are integrally formed at a plurality of circumferential positions of the rectangular tube portion 52. Note that the locking claw 10 and the locked portion 7 constitute a first coupling means, and the locking claw 11 and the locked portion 8 constitute a second coupling means.

  The 1st and 2nd latching claws 10 and 11 are distribute | arranged to the location spaced apart to the front and back of the square cylinder part 52, and the circumferential direction. The first and second locking claws 10, 11 extend rearward from the inner surface of the rectangular tube portion 52, and a claw portion is provided at the tip of a flexible leg portion. It is configured to be locked to the locking portions 7 and 8.

  A plurality of cylindrical bosses 57 corresponding to the through holes 24 are integrally formed at the outer edge portion of the dish-like plate portion 53 of the cabinet rear part 5b so as to be separated in the circumferential direction. The cylindrical boss 57, the through holes 24 and 46, and the screw hole 55 are formed in a straight line. By inserting one male screw 12 and tightening the screw hole 55, the cabinet front part 5 a, the holding body 4, The case body 22 and the cabinet rear part 5b can be joined together.

The liquid crystal display device configured as described above is assembled in the following steps (1) to (5).
(1) The reflection sheet 23 and the lamp 21 are assembled in the case body 22 that is placed flat on the work table with the open part facing upward, and the light source unit 2 is formed. The optical sheet 3 is placed on the upper side of the light source unit 2, and the peripheral portion of the optical sheet 3 is supported by the first receiving unit 22a.
(2) The liquid crystal panel 1 is inserted into the inside of the front cabinet body 5 a that is placed flat so that the frame portion 51 is on the lower side at another position on the work table, and placed on the frame portion 51. A holding body 4 is placed on the upper side of the liquid crystal panel 1. At this time, the first locking claw 10 of the cabinet front part 5a comes into contact with the coupling portion 44 of the holding body 4, the leg portion of the first locking claw 10 bends, and the claw portion becomes the locked portion 7. The peripheral portion of the liquid crystal panel 1 is held between the frame portion 51 and the ring plate portion 41, and the cabinet front part 5 a and the holding body 4 are temporarily joined by the first locking claws 10. By this temporary connection, the cabinet front part 5a, the liquid crystal panel 1, and the holding body 4 are integrated.
(3) The pre-engaged cabinet front body 5a and the holding body 4 are inverted so that the holding body 4 is on the lower side, and the second receiving of the case body 22 from the upper side of the optical sheet 3 in this inverted state. Placed on the part 22b. At this time, the second locking claw 11 of the cabinet front part 5a comes into contact with the coupling portion 22c of the case body 22, the leg portion of the second locking claw 11 is bent, and the claw portion becomes the locked portion 8. The cabinet front divided body 5 a and the case body 22 are temporarily joined by the second locking claws 11. By this temporary connection, the cabinet front part 5a, the liquid crystal panel 1, the optical sheet 3, and the case body 22 of the light source unit 2 are integrated. Further, the coupling plate portion 43 of the holding body 4 comes into contact with the second receiving portion 22b, and the square tube portion 45 is fitted on the outside of the coupling portion 22c.
(4) The pre-engaged cabinet front part 5a and the case body 22 are inverted so that the case body 22 is on the upper side, and the cabinet rear part 5b is fitted on the upper side of the case body 22 in this inverted state. The At this time, the tip of the square tube part 54 of the cabinet rear part 5b is inserted into the rear end of the square tube part 52 of the cabinet front part 5a, and the cylindrical boss 56 comes into contact with the second receiving part 22b.
(5) By inserting the male screw 12 into the cylindrical boss 57 of the cabinet rear part 5b and fastening the male screw 12 to the screw hole 55 through the through holes 24 and 46, the cabinet front part 5a, The holding body 4, the case body 22, and the cabinet rear part 5b are integrally coupled.

  In order to temporarily connect the cabinet front part 5a and the holding body 4 as described above, temporarily connect the cabinet front part 5a and the case body 22, and then connect the cabinet rear part 5b with one type of male screw 12, The assembly of the liquid crystal display device can be simplified, the assembly work time can be shortened, and the assembly work efficiency can be increased.

  In the above assembly process, instead of inverting the cabinet front part 5a and the case body 22 in the step (4), the cabinet front part 5a and the case body 22 are erected, and the rear of the case body 22 is raised. The cabinet rear part 5b may be fitted from the side.

Embodiment 2
FIG. 6 is a longitudinal sectional side view showing another configuration of the liquid crystal display device with a part thereof omitted. In this liquid crystal display device, the first locking claw 10 and the locked portion 7 in the first embodiment are eliminated, and the second locking claw 11 is locked to the locked portion 8, so that the front part of the cabinet is separated. 5a and the case body 22 are temporarily joined, and the holding body 4 is attached between the cabinet front part 5a and the cabinet rear part 5b. In addition, the latching claw 11 and the to-be-latched part 8 comprise the 3rd coupling means.

  In this liquid crystal display device, the holding body 4 is positioned at an appropriate position in the cabinet front part 5 a, and the peripheral portion of the liquid crystal panel 1 is held between the holding body 4 and the frame portion 51.

  In the liquid crystal display device configured as described above, the cabinet front partition 5a and the holding body 4 are not temporarily joined. Therefore, the liquid crystal display device is assembled in the following steps (1) to (5).

(1) The reflection sheet 23 and the lamp 21 are assembled in the case body 22 that is placed flat on the work table with the open part facing upward, and the light source unit 2 is formed. The optical sheet 3 is placed on the upper side of the light source unit 2, and the peripheral portion of the optical sheet 3 is supported by the first receiving unit 22a.
(2) The holding body 4 is placed on the case body 22 from above the optical sheet 3. At this time, the coupling plate portion 43 of the holding body 4 comes into contact with the second receiving portion 22b, the square tube portion 45 is fitted on the outside of the coupling portion 22c, and the position of the holding body 4 with respect to the case body 22 is determined.
(3) The liquid crystal panel 1 is placed on the ring plate portion 41 of the holding body 4, and the cabinet front part 5 a is placed on the upper side of the liquid crystal panel 1. At this time, the second locking claw 11 of the cabinet front part 5a comes into contact with the coupling portion 22c of the case body 22, the leg portion of the second locking claw 11 is bent, and the claw portion becomes the locked portion 8. The cabinet front divided body 5 a and the case body 22 are temporarily joined by the second locking claws 11. By this temporary coupling, the cabinet front part 5a, the liquid crystal panel 1, the holding body 4, the optical sheet 3, and the case body 22 of the light source unit 2 are integrated. Further, the liquid crystal panel 1 is held between the frame portion 51 and the holding body 4.
(4) The temporarily coupled cabinet front body 5a and the case body 22 are inverted or raised so that the case body 22 is on the upper side, and the cabinet rear body 5b is fitted onto the case body 22. At this time, the tip of the square tube portion 54 of the cabinet rear body 5b is inserted into the rear end of the square tube portion 52 of the cabinet front body 5a, and the cylindrical boss 57 contacts the second receiving portion 22b.
(5) By inserting the male screw 12 into the cylindrical boss 57 of the cabinet rear part 5b and fastening the male screw 12 to the screw hole 55 through the through holes 24 and 46, the cabinet front part 5a, The holding body 4, the case body 22, and the cabinet rear part 5b are integrally coupled.

As described above, since the cabinet front part 5a and the case body 22 are temporarily joined and then the cabinet rear part 5b is joined by one type of male screw 12, the assembly of the liquid crystal display device can be simplified and the assembly work can be performed. Time can be shortened and assembly work efficiency can be improved.
Since other configurations and operations are the same as those of the first embodiment, the same components are denoted by the same reference numerals, and detailed description thereof and description of operations and effects are omitted.

  In addition, in embodiment described above, it was set as the structure which has the latching claws 10 and 11 in the square cylinder part 52 of the cabinet front body 5a which has the frame part 51 and the square cylinder part 52, However, It is good also as a structure which has the latching claws 10 and 11 in a rear surface.

  In the embodiment described above, the cabinet front part 5a has the locking claws 10 and 11, but the holding body 4 and the case body 22 may have the locking claws 10 and 11. . In this case, the locking claw 10 is integrally formed with the coupling portion 44 of the holding body 4, the locking claw 11 is integrally molded with the coupling portion 22 c, and is concavely locked inside the rectangular tube portion 52 of the cabinet front body 5 a. Parts 7 and 8 are provided. Further, the locked portion 8 corresponding to the locking claw 11 may be provided in the coupling portion 44 instead of the square tube portion 52.

  In the embodiment described above, the cabinet front body 5a has the frame portion 51 and the rectangular tube portion 52. However, the square tube portion 52 is not provided and the frame portion 51 is the cabinet front body 5a. It is good also as a structure.

  In the second embodiment, a fourth coupling means such as a locking claw or a locked portion for coupling the holding body 4 to the cabinet front part 5a or the case body 22 may be provided.

  Further, in the embodiment described above, the latching claws 10 and 11 for temporary coupling are provided. However, the latching claws 10 and 11 are not temporarily coupled and the latching claws 10 and 11 are permanently coupled. You may do it. In this case, the cabinet rear part 5b is coupled to the second receiving portion 22b of the case body 22 by the male screw 12, or a locking claw is provided on one of the cabinet rear part 5b and the case body 22, A locked portion to which the locking claw is locked is provided on the other side.

It is the vertical side view which abbreviate | omitted one part which shows the structure of the liquid crystal display device which concerns on this invention. It is sectional drawing by which the other location of the liquid crystal display device based on this invention was longitudinally cut. It is a rear view which shows the structure of the cabinet front division of the liquid crystal display device which concerns on this invention. It is an expanded sectional view which shows the structure of the principal part of the liquid crystal display device which concerns on this invention. It is an expanded sectional view which shows the structure of the principal part of the liquid crystal display device which concerns on this invention. It is the vertical side view which abbreviate | omitted one part which shows the other structure of a liquid crystal display device.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Liquid crystal panel 1a Display surface 2 Light source part 24 Through-hole (hole)
4 Holder 46 Through hole (hole)
5 Cabinet 5a Cabinet front part 5b Cabinet rear part 51 Frame part 55 Screw hole (hole)
56 Cylindrical boss 7,8 Locked part (first and second coupling means)
10 First locking claw (first coupling means)
11 Second locking claw (second coupling means)
12 Male screw

Claims (6)

A liquid crystal panel having a display surface on the front side, a light source part arranged on the rear side of the liquid crystal panel, and a frame part arranged on the front side of the peripheral part of the liquid crystal panel, the peripheral part of the liquid crystal panel and the light source In a liquid crystal display device comprising: a cabinet that conceals the rear side of the unit; and a holder that is disposed between the light source unit and the liquid crystal panel in the cabinet and holds the rear side of the peripheral part of the liquid crystal panel.
The cabinet has a cabinet front part and a cabinet rear part that hold the peripheral part of the liquid crystal panel forward and backward by the frame part and the holding body, and a first part that couples the cabinet front part and the holding body. A liquid crystal display device comprising: a coupling unit; and a second coupling unit that couples the light source unit to the front cabinet or the holding body. A liquid crystal panel having a display surface on the front side, a light source part arranged on the rear side of the liquid crystal panel, and a frame part arranged on the front side of the peripheral part of the liquid crystal panel, the peripheral part of the liquid crystal panel and the light source In a liquid crystal display device comprising: a cabinet that conceals the rear side of the unit; and a holder that is disposed between the light source unit and the liquid crystal panel in the cabinet and holds the rear side of the peripheral part of the liquid crystal panel.
The cabinet has a front cabinet body and a rear cabinet body that hold the peripheral portion of the liquid crystal panel forward and backward by the frame portion and the holding body, and the cabinet front body and the light source unit are coupled to each other. 3. A liquid crystal display device comprising three coupling means.   The liquid crystal display device according to claim 2, further comprising fourth coupling means for coupling the holding body to the front cabinet or the light source unit.   The first to fourth coupling means include a locking claw formed integrally with any one of the front cabinet body, the holding body, and the light source unit, and a locked portion to which the locking claw is locked. The liquid crystal display device according to claim 1, comprising:   Of the front cabinet, holding body, light source unit, and rear cabinet, at least each of the front cabinet and rear cabinet has holes that open in the front-rear direction, and male screws inserted into the holes. 5. The liquid crystal display device according to claim 4, wherein the cabinet front body, the holding body, the light source unit, and the cabinet rear body are integrated. A liquid crystal panel having a display surface on the front side, a light source part arranged on the rear side of the liquid crystal panel, and a frame part arranged on the front side of the peripheral part of the liquid crystal panel, the peripheral part of the liquid crystal panel and the light source Assembly method of a liquid crystal display device comprising: a cabinet that conceals the rear side of the unit; and a holder that is disposed between the light source unit and the liquid crystal panel in the cabinet and holds the rear side of the peripheral part of the liquid crystal panel In
The cabinet has a cabinet front division and a cabinet rear division that hold the peripheral portion of the liquid crystal panel forward and backward by the frame portion and the holding body, and the liquid crystal panel between the frame portion and the holding body. A first joining step for joining the peripheral part of the cabinet and joining the cabinet front part and the holder, and the cabinet front part and the holder joined by the first joining process are placed on the light source part. A second coupling step of coupling the cabinet front segment and the holding body to the light source unit, and a cabinet rear segment that is coupled to the cabinet front segment, the holding unit, and the light source unit coupled by the second coupling step. 3. A method of assembling a liquid crystal display device, comprising:

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