CN1818757B

CN1818757B - Liquid-crystal display module shell and liquid-crystal display device therewith

Info

Publication number: CN1818757B
Application number: CN 200610058938
Authority: CN
Inventors: 张哲志; 陈丽惠
Original assignee: AU Optronics Corp
Current assignee: AU Optronics Corp
Priority date: 2006-03-08
Filing date: 2006-03-08
Publication date: 2010-05-12
Anticipated expiration: 2026-03-08
Also published as: CN1818757A

Abstract

A liquid crystal display module consists of base groove, frame and covering body .It is featured as setting a groove wall on base groove and a convex lug on groove wall, setting the first side wall and the second side wall in parallel at the same side on frame, setting said groove wall on base groove between two said side walls, setting notch for passing convex lug through on the first side wall and cladding said covering body at external of frame.

Description

The LCD of LCD MODULE housing and application LCD MODULE housing

Technical field

The present invention relates to a kind of shell structure, particularly relate to a kind of LCD MODULE shell structure.

Background technology

Liquid crystal display (LCD) technology also is widely used in display (monitor) series products such as computer screen, mobile phone, digital camera, Video Camera, PDA except being applied to audio-visual (AV) products such as CD/VCD, DVD, MP3, MP4, multimedia sound equipment, home theater.Wherein liquid crystal panel (LCDpanel) is crucial display module, yet itself is not luminous, a backlight module need be set just show.Backlight module and liquid crystal panel fit together by a shell body, when therefore designing shell structure, must consider the convenience in structural strength and the assembling.

A complete shell body generally includes a housing and a cell body, has a glue frame between the two.Cell body is one of backlight module member simultaneously, therefore when assembling, can be subdivided into the combination of combination, glue frame and the liquid crystal panel of cell body and glue frame again, and the combination of cell body and housing, must cooperate each other to be only desirable package assembly.Below backlight module commonly used is cooperated graphic explanation with the liquid crystal panel package assembly.

Please refer to Figure 1A, it is the image player package assembly cut-open view of existing audio-visual series products.Image player 10 comprises liquid crystal panel 11 and backlight module 12.Backlight module 12 comprises that light source 121 and light guide plate 122 are set up on the internal backplane of cell body 123.Glue frame 124 is socketed on cell body 123 inboards.Liquid crystal panel 11 is set up on the glue frame 124.Housing 13 covering liquid crystal panel 11, and finish the assembling of image player 10 with cell body 123 combination.Illustrated left side wall is glue frame 124 from inside to outside in regular turn, cell body 123 and housing 13, and wherein housing 13 and cell body 123 intensity are greater than the glue frame, for example chase or irony cell body.In addition, this structure has the space of the pin (pin) that holds flexible circuit board (FPC) 14 and flexible circuit board 14.

Please refer to Figure 1B, the package assembly cut-open view of the product of display (monitor) class.Display 20 is that with the structure difference of Figure 1A glue frame 22 is socketed on cell body 21 outsides, so two side walls is cell body 21, glue frame 22 and housing 23 from inside to outside in regular turn.In addition, this structure has the space of the pin (pin) that holds flexible circuit board 24 and flexible circuit board 24.

Summary of the invention

The object of the present invention is to provide a kind of LCD MODULE housing of high-strength structure, reserve the space of flexible circuit board pin and can avoid housing to get loose at flexible circuit board pin place.

LCD MODULE shell structure of the present invention comprises a kerve, a framework and a lid.This kerve has the outside that a lug is positioned at a cell wall.This framework has the outside that a sidewall is positioned at this cell wall, and this sidewall has a breach.This lid is coated on the outside of this sidewall.According to said structure, this lug can pass this breach to contact this lid.When this lid coated this framework the first side wall outside, this lid contacted or combines with this lug on this kerve, and is used for clamping one flexible circuit board between the first side wall outside of the inboard of this lid and this framework.

In above-mentioned kerve, insert a light guide plate, and a light source is disposed at this light guide plate one side then becomes a backlight module.Especially, a lead of light source can be accommodated in this accommodation space.When a liquid crystal panel is set up on this backlight module, and is covered in lid and then becomes a LCD MODULE on this liquid crystal panel.

The present invention also provides a kind of LCD MODULE, comprising: a framework, and it is parallel to each other and in the same side, wherein this first side wall has a breach to have a first side wall and one second sidewall; One liquid crystal panel is set up on this framework; One lid is coated on outside and this liquid crystal panel edge of this first side wall; One kerve has a cell wall and is sleeved between this first side wall and this second sidewall, and wherein this cell wall has a lug and is arranged in this breach, exists the space to hold a flexible circuit board between the outside of this framework and the inboard of this lid; One light guide plate is disposed in this kerve; And a light source, dispose in this kerve, and be positioned at this light guide plate one side.

Liquid crystal panel one end engages with a flexible circuit board, cooperates above-mentioned shell structure, flexible circuit board is held between framework and the lid and reaches the purpose in the space of reserving the flexible circuit board pin.Because lid combines with the lug of cell body, but not combines with framework, so can avoid housing to get loose at flexible circuit board pin place.

Description of drawings

Figure 1A is the image player cut-open view of existing video and audio product;

Figure 1B is the cut-open view of existing display product;

Fig. 2 A is the cut-open view of LCD MODULE housing of the present invention;

Fig. 2 B is the exploded view of Fig. 2 A;

Fig. 3 is the cut-open view of backlight module of the present invention;

Fig. 4 is first embodiment of LCD MODULE of the present invention; And

Fig. 5 is second embodiment of LCD MODULE of the present invention.

The primary clustering symbol description

10 image players, 32 frameworks

11 liquid crystal panel 321a sidewalls

12 backlight module 321b sidewalls

121 light sources, 3214 breach

122 light guide plate 322a chases

123 cell body 322b accommodation spaces

124 glue frames, 323 windows

13 housings, 324 step structures

14 flexible circuit boards, 33 lids

20 displays, 331 windows

21 cell bodies, 332 through holes

22 glue frames, 3322 flanges

23 housings, 334 holding blocks

24 flexible circuit boards, 40 backlight modules

30 LCD MODULE housings, 41 light guide plate

31 kerves, 42 light sources

311 cell walls, 43 leads

3112 lugs, 44 blooming pieces

313 base plates, 50 LCD MODULE

51 liquid crystal panels

53 flexible circuit boards

60 LCD MODULE

62 locking parts

Embodiment

Now cooperate diagram that the present invention is described in detail in detail, and enumerate preferred embodiment and be described as follows:

Please refer to Fig. 2 A-Fig. 2 B, Fig. 2 A is a LCD MODULE housing of the present invention.LCD MODULE housing 30 is made up of kerve 31, framework 32 and lid 33.Kerve 31 has the outside that lug 3112 is positioned at cell wall 311.Framework 32 has the outside that sidewall 321a is positioned at cell wall 311, and sidewall 321b props up the inboard of cell wall 311.Two

side

321a and 321b are separated by with a chase 322a.Sidewall 321a has a breach 3214 and passes for lug 3112, and the structure of breach 3214 and position please refer to Fig. 2 B.Lid 33 is coated on the outside of sidewall 321a.Therefore, lug 3112 need pass breach 3214 and just be contacted lid 33.

In a better embodiment, the two side 321a of

framework

32 and 321b all have greater than the height of cell wall 311 to limit an accommodation space 322b above cell wall 311, and accommodation space 322b can be used for taking in the external wire of a LCD MODULE.

Fig. 2 B after the left part of being inverted Fig. 2 A, decomposes kerve 31, framework 32 and lid 33 exploded view of gained for ease of observing the inboard structure of kerve 31, framework 32 and lid 33.Among Fig. 2 B, the base plate 313 of kerve 31 is positioned at the plane of the top.When assembling framework 32 and kerve 31, the cell wall 311 of kerve 31 is placed among the chase 322a of framework 32, and lug 3112 is placed in the breach 3214 simultaneously.After framework 32 and kerve 31 combinations are finished, refill upper cover body 33.Lid 33 with its through hole 332 corresponding to lug 3112 and breach 3214.Through hole 332 has flange 3322, and flange 3322 can support mutually with lug 3112 when assembling lid 33.In the present embodiment, through hole 332 and flange 3322 can impact briquettings or are one-body molded and get.

Following Fig. 3 to Fig. 5 enumerates embodiment the application of the present invention in backlight module and LCD MODULE is described.

Please refer to Fig. 3, according to backlight module 40 of the present invention.Add in the kerve shown in Fig. 2 A 31 and put light guide plate 41, and dispose light source 42 at least one side of light guide plate 41, present embodiment is represented for example with two light sources 42, and is promptly being formed a backlight module 40 behind at least one blooming piece 44 of configuration above the light guide plate 41.Framework 32 has window 323 and is opened in light guide plate 41 tops.Blooming piece 44 promptly is disposed among the window 323.The light that light source 42 sends is gone out by 44 transmissions of the blooming piece in the window 323 after light guide plate 41.The lead 43 that is connected with light source 42 can be accommodated among the accommodation space 322b.Subsidiary one carry be, light source 42 numbers are not limited to one, its allocation position also is not limited to the either side of light guide plate 41.

Please refer to Fig. 4, according to LCD MODULE 50 of the present invention.Please be simultaneously with reference to Fig. 3, window 323 peripheries of framework 32 have step-like configuration 324 and are seated in above-mentioned backlight module 40 tops for a liquid crystal panel 51.Liquid crystal panel 51 engages with a flexible circuit board 53.When setting up liquid crystal panel 51, flexible circuit board 53 places the outside of the sidewall 321a of framework 32.Subsequently, lid 33 is placed in outside backlight module 40 and the liquid crystal panel 51 from top to bottom, and engages with lug 3112 with flange 3322.Thus, flexible circuit board 53 is held on framework 32 outsides and lid 33 inboards.

Please refer to Fig. 5, be second embodiment of LCD MODULE of the present invention.The lid 33 and the lug 3112 of LCD MODULE 60 are that for example screw locks together with a locking part 62, and locking part 62 passes through hole 332 and engages with lug 3112, and thus, lid 33, kerve 31 just can lock together with framework 32.

Among Fig. 4 and Fig. 5, lid 33 has window 331 and is opened in liquid crystal panel 51 tops. preferably, the stepped edges 324 common holding liquid crystal panels 51. that lid 33 belows have holding block 334 and a framework 32 as shown in the figure, liquid crystal panel 51 is positioned on the stepped edges 324 of framework 32 with the junction surface (bonding pad) of flexible circuit board 53, is fixed by holding block 334.As shown in Figure 4, the function of sidewall 321a is to separate flexible circuit board 53 and cell wall 311, thus, the cell wall 311 of kerve 31 is held between the two

side

321a and 321b of framework 32, and sidewall 321a and flexible circuit board 53 are held between cell wall 311 and the lid 33, help to improve structural strength.

On the practice, the material hardness of kerve 31 and lid 33 is often greater than framework 32.For example, kerve 31 can be a metal framework for a metal cell body, framework 32 can be a glue frame lid 33.Because lid 33 combines with the lug 3112 of kerve 31, but not combines with framework 32, thus bond strength can be increased, and can avoid housing 30 to get loose at flexible circuit board 53 pin places.The design of lug 3112 can be reserved the space of flexible circuit board 53.

As seen from the above embodiment, housing of the present invention can be applicable in backlight module and the LCD MODULE at least.And backlight module is not limited to side light type back light module or direct type backlight module.

Above-listed detailed description is not in order to limiting claim of the present invention, does not allly break away from the equivalence that skill spirit of the present invention does and implements or change, all should be contained in the claim of the present invention.

Claims

1. LCD MODULE housing comprises:

One kerve has an at least one cell wall and a lug and is positioned on this cell wall;

One framework, it is parallel to each other and be positioned at the same side to have a first side wall and one second sidewall, and wherein this first side wall has a breach, and the cell wall of this kerve is between this first side wall and this second sidewall, and this lug is arranged in this breach; And

One lid, when this lid coated this framework the first side wall outside, this lid contacted or combines with this lug on this kerve, and is used for clamping one flexible circuit board between the first side wall outside of the inboard of this lid and this framework.

2. LCD MODULE housing as claimed in claim 1, wherein this lid has a through hole, and this lug is arranged in this through hole.

3. LCD MODULE housing as claimed in claim 1, wherein the cell wall of this first side wall, this second sidewall and this kerve limits an accommodation space.

4. LCD MODULE housing as claimed in claim 1, wherein the material of this kerve is a metal.

5. LCD MODULE housing as claimed in claim 1, wherein this framework is a glue frame.

6. LCD MODULE housing as claimed in claim 1, wherein the material of this lid is a metal.

7. LCD MODULE housing as claimed in claim 1 also comprises a locking part, and wherein this lid has a through hole, this locking part be arranged in this through hole and with this lug engagement.

8. LCD MODULE housing as claimed in claim 1, wherein the hardness of this kerve or this lid is greater than this framework.

9. backlight module comprises:

One framework, it is parallel to each other and be positioned at the same side to have a first side wall and one second sidewall, and wherein this first side wall has a breach;

One kerve has a cell wall and is sleeved between this first side wall and this second sidewall, and wherein this cell wall has a lug and is arranged in this breach;

One light guide plate is disposed in this kerve; And

One light source is disposed at this light guide plate one side.

10. backlight module as claimed in claim 9 comprises that also another light source is disposed at the opposite side of this light guide plate.

11. backlight module as claimed in claim 9, wherein this framework has a window.

12. backlight module as claimed in claim 9 comprises that also a plurality of blooming pieces are disposed at this light guide plate top.

13. backlight module as claimed in claim 9, wherein this light source has a conductor configurations in this accommodation space.

14. a LCD MODULE comprises:

One framework, it is parallel to each other and in the same side, wherein this first side wall has a breach to have a first side wall and one second sidewall;

One liquid crystal panel is set up on this framework;

One lid is coated on outside and this liquid crystal panel edge of this first side wall;

One kerve has a cell wall and is sleeved between this first side wall and this second sidewall, and wherein this cell wall has a lug and is arranged in this breach, exists the space to hold a flexible circuit board between the outside of this framework and the inboard of this lid;

One light guide plate is disposed in this kerve; And

One light source disposes in this kerve, and is positioned at this light guide plate one side.

15. LCD MODULE as claimed in claim 14, wherein this liquid crystal panel one termination is should flexible circuit board.

16. LCD MODULE as claimed in claim 14, wherein this framework has a window, and the edge of this window is stepped to be put for this liquid crystal panel.

17. LCD MODULE as claimed in claim 14 also comprises a holding block and this liquid crystal panel of the common clamping of this framework.

18. LCD MODULE as claimed in claim 17, wherein this holding block and this lid are formed in one.

19. LCD MODULE as claimed in claim 14, wherein the material of this lid is a metal.

20. LCD MODULE as claimed in claim 14 also comprises a locking part, wherein this lid has a through hole, this locking part be arranged in this through hole and with this lug engagement.

21. LCD MODULE as claimed in claim 14, wherein the material hardness of this kerve and this lid is greater than this framework.