CN200989974Y

CN200989974Y - Liquid crystal display device

Info

Publication number: CN200989974Y
Application number: CN 200620145408
Authority: CN
Inventors: 梁超
Original assignee: Innolux Shenzhen Co Ltd
Current assignee: Innolux Shenzhen Co Ltd
Priority date: 2006-12-29
Filing date: 2006-12-29
Publication date: 2007-12-12
Anticipated expiration: 2016-12-29

Abstract

The utility model relates to an LCD device comprising a first frame, a second frame and a third frame. Wherein the side wall of the first frame is provided with a first slide way and a second slide way at least; both the first slide way and the second slide way comprise a guide part and a buckle part connected with the guide part; and the first slide way is close to the second frame which is close to the third frame. The second frame includes a first convex part at least which is clipped into the buckle part of the first slide way. The third frame includes a second convex part at least which is clipped into the buckle part of the second slide way. Compared with the prior art, the LCD device has the advantages of single aspect positioning and easy assembly and disassembly.

Description

Liquid crystal indicator

Technical field

The utility model relates to a kind of liquid crystal indicator.

Background technology

At present, LCD replaces conventional cathode ray tube (the Cathode Ray Tube that is used for computer gradually, CRT) display, and, because characteristics such as the liquid crystal display utensil is light, thin, little, make its be fit to very much be applied in desktop computer, notebook computer, personal digital assistant (Personal Digital Assistant, PDA), in mobile phone, TV and multiple office automation and the audio-visual equipment.

Seeing also Fig. 1, is a kind of perspective exploded view of prior art liquid crystal indicator 1.This liquid crystal indicator 1 comprises the module backlight 40 that chase 10 on, a liquid crystal panel 20 and contiguous this liquid crystal panel 20 are provided with.

Should go up chase 10 and comprise one first base plate 102 and the first side wall 104 that extends of the edge-perpendicular of this first base plate 102 certainly, this first base plate 102 defines a display window 107, and this first side wall 104 is provided with a plurality of first draw-in grooves 106.

This module 40 backlight comprises a brightening piece 422, a diffusion sheet 421, a light guide plate 430, a light source 440, a reflector plate 460, a glue frame 450 and chase 470 once.This glue frame 450 is accommodated this brightening piece 422, diffusion sheet 421, light source 440, light guide plate 430 and reflector plate 460 within it.

This light guide plate 430 comprises an exiting surface 431, one and these exiting surface 431 opposed bottom surface 432 and the incidence surface 433 that intersects with this exiting surface 431.These light source 440 contiguous these incidence surfaces 433 are provided with, and contiguous successively from top to bottom this exiting surface 431 of this brightening piece 422 and diffusion sheet 421 is provided with, and these reflector plate 460 contiguous these bottom surfaces 432 are provided with.

This glue frame 450 is hollow frames that surrounded by four sidewalls 452 and the back up pad 454 of extending from this four sidewall 452 inside surface levels, this back up pad 454 defines one first receiving space (not indicating), and this back up pad 454 and this four sidewall 452 define one second receiving space (not indicating).A plurality of first cards 456 and a plurality of second card, 457 outside surfaces by this four sidewall 452 stretch out, and these a plurality of first fixture blocks 456 are corresponding one by one with the position of these a plurality of first draw-in grooves 106.

This time chase 470 comprises one second base plate 472 and second sidewall 474 that extends of the edge-perpendicular of this second base plate 472 certainly, this second sidewall 474 is provided with a plurality of second draw-in grooves 476, and these a plurality of second draw-in grooves 476 are corresponding one by one with the position of these a plurality of second fixture blocks 457.

During assembling, this light guide plate 430 is housed in first receiving space of this glue frame 450, these light source 440 contiguous these incidence surfaces 433 are provided with, and these reflector plate 460 contiguous these bottom surfaces 432 are provided with, and contiguous successively from top to bottom this exiting surface 431 of this brightening piece 422 and diffusion sheet 421 is provided with; Said modules is placed in this time chase 470, and the cooperation by these a plurality of second fixture blocks 457 and a plurality of second draw-in grooves 476 is fixed in down in the chase 470; These liquid crystal panel 20 contiguous these modules 40 backlight are provided with, and are housed in second receiving space of this glue frame 450; To go up chase 10 and place this liquid crystal panel 20 tops, chase 10 be should go up and immobile liquid crystal panel 20 and module backlight 40 in the lump cooperated with following chase 470, at this moment, these a plurality of first fixture blocks 456 snap in a plurality of first draw-in grooves 106, and second sidewall 474 of the first side wall 104 of chase 10 and following chase 470 cooperatively interacts and coats four sidewalls 452 of this glue frame 450 on this.

Yet, when assembling, need on the four direction of glue frame 450 4 sidewalls 452 upper and lower chase 10,470 be fixed on this glue frame 450, also need on four direction, dismantle during the heavy industry dismounting, the assembly and disassembly action is complicated, expends man-hour.

For the convenience of assembling, fixture block 456,457 can be reserved certain clearance with cooperating of draw-in groove 106,476, so that lost good fixed function.

And, in assembling process, need outwards pull on this, following chase 10,470 first, second sidewall 104,474, so that on being somebody's turn to do, following chase 10,470 first, second sidewall 104,474 coat four sidewalls 452 of this glue frame, and on making, following chase 10,470 are fixed on this glue frame 450, in unloading process, also need outwards to pull on this, following chase 10,470 first, second sidewall 104,474, so that on being somebody's turn to do, following chase 10,470 first fixture block 456 and second fixture blocks 457 from this glue frame 450 break away from, its practical operation is real to be inconvenience, and cause so easily, following chase 10,470 first, second sidewall 104,474 distortion, thereby cause glue frame 450 with last, following chase 10, excesssive gap between 470 further loses good fixed function.

The utility model content

In order to solve the problem of liquid crystal indicator assembling inconvenience in the prior art, be necessary to provide a kind of liquid crystal indicator easy to assembly.

A kind of liquid crystal indicator, it comprises one first framework, one second framework and one the 3rd framework.At least one first guide rail and at least one second guide rail are set on the sidewall of this first framework, this first guide rail includes an introduction part and a buckling parts that links to each other with this introduction part with second guide rail, contiguous this second framework of this first guide rail, contiguous the 3rd framework of this second guide rail.This second framework comprises at least one first teat, and this first teat snaps in the buckling parts of this first guide rail, and the 3rd framework comprises at least one second teat, and this second teat snaps in the buckling parts of this second guide rail.

Compared with prior art, second framework of above-mentioned liquid crystal indicator and the 3rd framework are by first guide rail, second guide rail that the teat on it is slipped into first framework respectively and snap in its buckling parts and be separately fixed on first framework to realize this second framework and the 3rd framework, so its assembling orientation is single, assembly and disassembly is convenient.

Description of drawings

Fig. 1 is a kind of perspective exploded view of prior art liquid crystal indicator.

Fig. 2 is the perspective exploded view of the utility model liquid crystal indicator first embodiment.

Fig. 3 is the enlarged diagram of III part among Fig. 2.

Fig. 4 is the enlarged diagram of IV part among Fig. 2.

Fig. 5 is the assembling synoptic diagram of liquid crystal indicator shown in Figure 2.

Fig. 6 is the schematic perspective view of glue frame of second embodiment of the utility model liquid crystal indicator.

Fig. 7 is the enlarged diagram of VII part among Fig. 6.

Embodiment

Seeing also Fig. 2, is the perspective exploded view of the utility model liquid crystal indicator first embodiment.This liquid crystal indicator 2 comprises the module backlight 300 that fixed frame 200 on, a liquid crystal panel 210 and contiguous this liquid crystal panel 210 are provided with.

This module 300 backlight comprises a brightening piece 322, a diffusion sheet 321, a light guide plate 330, a light source 380, a reflector plate 360, a glue frame 350 and fixed frame 370 once.This glue frame 350 is accommodated this brightening piece 322, diffusion sheet 321, light source 380, light guide plate 330 and reflector plate 360 within it.

This light guide plate 330 comprises an exiting surface 331, one and these exiting surface 331 opposed bottom surface 332 and the incidence surface 333 that intersects with this exiting surface 331.These light source 380 contiguous these incidence surfaces 333 are provided with, and contiguous successively from top to bottom this exiting surface 331 of this brightening piece 322 and diffusion sheet 321 is provided with, and these reflector plate 360 contiguous these bottom surfaces 332 are provided with.

See also Fig. 3 and Fig. 4, Fig. 3 is the enlarged diagram of III part among Fig. 2, and Fig. 4 is the enlarged diagram of IV part among Fig. 2.This glue frame 350 is frameworks that four sidewalls 351,352,353,354 that linked to each other successively by head and the tail surround.The top edge of this two opposing sidewalls 352,354 respectively is provided with 2 first guide rails 355, and this first guide rail 355 is breach, and it comprises an introduction part 3552 and a buckling parts 3554 that communicates with this introduction part 3552.The lower edge of this two opposing sidewalls 352,354 respectively is provided with 2 second guide rails 357, and this second guide rail 357 is breach, and it comprises an introduction part 3572 and a buckling parts 3574 that communicates with this introduction part 3572.The buckling parts 3554 of this first guide rail 355 and the corresponding setting about in the of 3574 of the buckling parts of second guide rail 357, the introduction part 3552 of first guide rail 355 and the introduction part 3572 of second guide rail 357 lay respectively at the both sides of two buckling parts 3554,3574.The sidewall 351,353 that links to each other with this two opposing sidewalls 352,354 is provided with fixture block 356, and this fixture block 356 is spring leafs, it comprise one straight portion 3562 and with these portion's 3562 integrated kinks 3564 straight.

Fixed frame 200 be should go up and one first base plate 202 and vertically extending three the first side walls 203 of three lateral edges of this first base plate 202 certainly comprised, this first base plate 202 defines a display window (not indicating), has protrusion tab 204 on two the first side walls 203 that are provided with relatively, this protrusion tab 204 is the rectangular sheets that self bend inwards from this first side wall 203, and this protrusion tab 204 mates mutually with this buckling parts 3554.Another the first side wall 203 is provided with the hole clipping (figure does not show) that the fixture block 356 on the sidewall 351 with glue frame 350 is complementary.

This time fixed frame 370 comprises one second base plate 372 and vertically extending three second sidewalls 373 of three lateral edges of this second base plate 372 certainly, wherein has protrusion tab 374 on two second sidewalls 373 that are provided with relatively, this protrusion tab 374 is the rectangular sheets that self bend inwards from this second sidewall 373, and this protrusion tab 374 mates mutually with this buckling parts 3574.Another second sidewall 373 is provided with the hole clipping 376 that the fixture block 356 on the sidewall 353 with glue frame 350 is complementary.

Please in the lump with reference to Fig. 5, during assembling, this light guide plate 330 is retained in this glue frame 350, and these light source 380 contiguous these incidence surfaces 333 are provided with, these reflector plate 360 contiguous these bottom surfaces 332 are provided with, and contiguous successively from top to bottom this exiting surface 331 of this brightening piece 322 and diffusion sheet 321 is provided with.With 370 pairs of following fixed frames should glue frame 350 lower edge introduction part 3572, make this protrusion tab 374 insert the introduction part 3572 of this second guide rail 357, at this moment, this time fixed frame 370 is accommodated this light guide plate 330, light source 380, reflector plate 360, brightening piece 322, diffusion sheet 321 and glue frame 350 within it; Promoting this time fixed frame 370 slides its relative glue frame 350, these protrusion tab 374 relative glue frames 350 slide in second guide rail 357 to the left, slip into and be buckled in the buckling parts 3574 of this second guide rail 357 to fix this time fixed frame 370 until protrusion tab 374, at this moment, elastic deformation upwards takes place in the portion straight 3562 of fixture block 356 that is positioned at the sidewall 353 of this glue frame 350, make this fixture block 356 pass down the hole clipping 376 of fixed frame 370, so after this fixture block 356 passes this hole clipping 376, these portion's 3562 recovery deformation straight, the kink 3564 of this fixture block 356 and second sidewall, 373 butts of this time fixed frame 370, this fixture block 356 utilizes the elastic deformation of himself to make kink 3564 be stuck on this second sidewall 373, further realizes being fixed of this glue frame 350 and this time fixed frame 370.Liquid crystal panel 210 contiguous these modules 300 backlight are provided with; To go up fixed frame 200 and place this liquid crystal panel 210 tops, introduction part 3552 to first guide rail 355 that should glue frame 350 top edge, make the protrusion tab 204 of fixed frame 200 on this insert the introduction part 3552 of these first guide rails 355, promoting to go up fixed frame 200 slides its relative glue frame 350, these protrusion tab 204 relative glue frames 350 slide in first guide rail 355 to the right, slip into and be buckled in the buckling parts 3554 of this first guide rail 355 until protrusion tab 204 and should go up fixed frame 200 with fixing, at this moment, elastic deformations take place in the portion straight 3562 that is positioned at the fixture block 356 on the sidewall 351 of this glue frame 350, make the hole clipping that this fixture block 356 passes fixed frame 200, so after this fixture block 356 passes this hole clipping, these portion's 3562 recovery deformation straight, the kink 3564 of this fixture block 356 and the first side wall 203 butts that should go up fixed frame 200, this fixture block 356 utilizes the elastic deformation of himself to make kink 3564 be stuck on this first side wall 203, further realizes this glue frame 350 and should go up being fixed of fixed frame 200.

Compared to prior art, when assembling, only need protrusion tab 204,374

introduction part

3552,3572 insertions of the guide rail 355,357 of corresponding glue frame 350 respectively with upper and lower fixed frame 200,370, and promote this upper and lower fixed frame 200,370 and make protrusion tab 204,374

fix buckling parts

3554,3574 at guide rail 355,357, and the fixture block 356 of glue frame 350 fixes and gets final product in the hole clipping of upper and lower fixed frame 200,370, its assembling orientation is single, easy to assembly.When heavy industry is dismantled, pull the portion straight 3562 of this fixture block 356, utilize himself elasticity to make the kink 3564 of fixture block 356 leave the first side wall 203, second sidewall 373 of upper and lower fixed frame 200,370, this upper and lower fixed frame 200,370 slides, this fixture block 356 withdraws from from hole clipping, and the fixture block 356 of glue frame 350 withdraws from from guide rail 355,357 from the protrusion tab 204,374 of upper and lower fixed frame 200,370 and gets final product convenient disassembly.

And on being somebody's turn to do, following fixed frame 200,370 utilize protrusion tab 204,374 insert the introduction part 3552 of

glue frame

350,3572 and slip into

buckling parts

3554,3574 is fixing, be that fixture block 356 further will be gone up with hole clipping by a clamping structure again, following fixed frame 200,370 are fixed on the glue frame 350, therefore, it does not need to reserve certain clearance, can keep good fixed function, take to slip into the formula assembling when assembling simultaneously, self flexible fastening by fixture block 356 again, can not cause, following fixed frame 200,370 deformation, it also can keep good fixed function.

Simultaneously, the buckling parts 3554 of this first guide rail 355 and the corresponding setting about in the of 3574 of the buckling parts of second guide rail 357, the introduction part 3552 of first guide rail 355 and the introduction part 3572 of second guide rail 357 lay respectively at the both sides of two

buckling parts

3554,3574, promptly should go up fixed frame 200 slides to the right from the left side of this glue frame 350, this time fixed frame 370 slides to the left from the right side of glue frame 350, the force direction that is subjected to of this glue frame 350 disperses, and not yielding, fixed effect is better.And glide direction can play the effect of fool proof on the contrary, also can not make the position of its relative glue frame 350 change upper and lower fixed frame 200,370 assembly defects.

Please refer to Fig. 6 and Fig. 7, Fig. 6 is the schematic perspective view of glue frame of second embodiment of the utility model liquid crystal indicator, and Fig. 7 is the enlarged diagram of VII part among Fig. 6.This glue frame is similar to the glue frame 350 of first embodiment, its difference is: two opposing sidewalls of this glue frame have a ladder, promptly relative its underpart, top of two opposing sidewalls of this glue frame is outwards outstanding, and this first guide rail, second guide rail is to protrude in this sidewall, be roughly a L shaped projection, one side along continuous straight runs of this L shaped projection extends, i.e. first guide rail, the introduction part 4552 of second guide rail, 4554, its another side vertically extends, i.e. first guide rail, the buckling parts 4554 of second guide rail, 4574, the buckling parts 4554 of this first guide rail and the corresponding setting about in the of 4574 of the buckling parts of second guide rail, the introduction part 4552 of first guide rail and the introduction part 4572 of second guide rail lay respectively at two

buckling parts

4554,4574 both sides.During assembling, the protrusion tab of upper and lower fixed frame slides along

smooth introduction part

4552,4572 and along this

introduction part

4552,4572, until with

buckling parts

4554,4574 butts till.

Yet it is described that this liquid crystal indicator 2 is not limited to above-mentioned embodiment, and for example, this clamping structure also can be the screw lock solid structure; This screw lock solid structure is arranged on this glue frame sidewall; This screw lock solid structure also can be arranged on base plate one side of contiguous this upper and lower fixed frame; This protrusion tab can be the teat of other structure also, is not one to be decided to be schistose texture; The number of this guide rail, shape and distribution can be according to needs change designs, and it is described to be not limited to above-mentioned embodiment.

Claims

1. liquid crystal indicator, it comprises one first framework, second framework and the 3rd framework, it is characterized in that: at least one first guide rail and at least one second guide rail are set on the sidewall of this first framework, this first guide rail includes an introduction part and a buckling parts that links to each other with this introduction part with second guide rail, this second framework comprises at least one first teat, the 3rd framework comprises at least one second teat, contiguous this second framework of this first guide rail, contiguous the 3rd framework of this second guide rail, this first teat snaps in the buckling parts of this first guide rail, and this second teat snaps in the buckling parts of this second guide rail.

2. liquid crystal indicator as claimed in claim 1 is characterized in that: this first framework comprises end to end successively four sidewalls, and these a plurality of guide rails are arranged on two opposing sidewalls.

3. liquid crystal indicator as claimed in claim 1, it is characterized in that: this second framework comprises one first base plate and vertically extending three the first side walls of these first base plate, three lateral edges certainly, this first teat is arranged on two the first side walls that are provided with relatively, and this first teat is the rectangular sheet that goes out from this first side wall self bending.

4. liquid crystal indicator as claimed in claim 3, it is characterized in that: this liquid crystal indicator further comprises one first clamping structure, by this first clamping structure further with second frame fixation at this first framework, this first clamping structure comprises fixture block and hole clipping, with on the first side wall that two the first side walls that are oppositely arranged link to each other hole clipping is set, the fixture block that this first framework setting and this hole clipping are complementary, this fixture block snaps in this hole clipping.

5. liquid crystal indicator as claimed in claim 4 is characterized in that: this fixture block comprise one straight portion and with this integrated kink of portion straight, this fixture block snaps in this hole clipping, and makes this this first side wall of kink butt to fix this second framework.

6. liquid crystal indicator as claimed in claim 1, it is characterized in that: the 3rd framework comprises one second base plate and vertically extending three second sidewalls of these second base plate, three lateral edges certainly, this second teat is arranged on two second sidewalls that are provided with relatively, and this second teat is the rectangular sheet that goes out from this second sidewall self bending.

7. liquid crystal indicator as claimed in claim 6, it is characterized in that: this liquid crystal indicator further comprises one second clamping structure, by this second clamping structure further with the 3rd frame fixation at this first framework, this second clamping structure comprises fixture block and hole clipping, with on second sidewall that 2 second sidewalls that are oppositely arranged link to each other hole clipping is set, the fixture block that this first framework setting and this hole clipping are complementary, this fixture block snaps in this hole clipping.

8. liquid crystal indicator as claimed in claim 7 is characterized in that: this fixture block comprise one straight portion and with this integrated kink of portion straight, this fixture block snaps in this hole clipping, and makes this second sidewall of this kink butt to fix the 3rd framework.

9. liquid crystal indicator as claimed in claim 1 is characterized in that: the buckling parts of the buckling parts of this first guide rail and second guide rail is oppositely arranged up and down, and the introduction part of the introduction part of this first guide rail and this second guide rail is positioned at the both sides of two buckling parts respectively.

10. liquid crystal indicator as claimed in claim 1 is characterized in that: this first guide rail and second guide rail all protrude in this sidewall, are L shaped projections, one side along continuous straight runs of this L shaped projection extends, be the introduction part of guide rail, its another side vertically extends, i.e. the buckling parts of guide rail.