CN101196636A - Back light module unit and LCD device - Google Patents
Back light module unit and LCD device Download PDFInfo
- Publication number
- CN101196636A CN101196636A CNA2006101573735A CN200610157373A CN101196636A CN 101196636 A CN101196636 A CN 101196636A CN A2006101573735 A CNA2006101573735 A CN A2006101573735A CN 200610157373 A CN200610157373 A CN 200610157373A CN 101196636 A CN101196636 A CN 101196636A
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- framework
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- bar portion
- head
- liquid crystal
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Abstract
The invention relates to a backlight module and an LCD display device. The backlight module comprises a first frame and a second frame. The first frame is used for bearing various optical elements of the backlight module, which comprises a plurality of flexible clamping elements. The second frame is provided with a plurality of jogged elements. The plurality of the flexible clamping elements and the plurality of the jogged elements are fixed clamping with each other along the vertical direction, which fixedly connects the first and the second frames and restricts the relative movement between the two frames along the horizontal and vertical direction.
Description
Technical field
The present invention relates to a kind of module backlight and liquid crystal indicator.
Background technology
At present, liquid crystal indicator 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 synoptic diagram 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 fixture blocks 456 and a plurality of second fixture block 457 are stretched out by the outside surface of this four sidewall 452, 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.
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.And for the convenience of assembling, fixture block 456,457 can be reserved certain clearance with cooperating of draw-in groove 106,476, so that lose good fixed function, and, the distortion of upper and lower chase 10,470 and glue frame 450 excesssive gap between the two further loses good fixed function because also can making.
Summary of the invention
In order to solve the problem of assembling inconvenience in the prior art, be necessary to provide a kind of module backlight easy to assembly.
Also be necessary to provide a kind of liquid crystal indicator easy to assembly.
A kind of module backlight, it comprises one first framework and one second framework.This first framework is used to carry each optical element of module backlight, and it has a plurality of elasticity snap-fit element.This second framework has a plurality of chimeric elements, and these a plurality of elasticity snap-fit element and a plurality of chimeric element all are fixed in vertical direction, with first framework and second frame fixation together, and limits relatively moving of level between two frameworks and vertical direction.
A kind of liquid crystal indicator, it comprises the liquid crystal panel that a module backlight and contiguous this module backlight are provided with, this module backlight comprises one first framework and one second framework.This first framework is used to carry each optical element of module backlight, and it has a plurality of elasticity snap-fit element.This second framework has a plurality of chimeric elements, and these a plurality of elasticity snap-fit element and a plurality of chimeric element all are fixed in vertical direction, with first framework and second frame fixation together, and limits relatively moving of level between two frameworks and vertical direction.
Compared with prior art, these a plurality of elasticity snap-fit element and a plurality of chimeric element all are fixed on the same direction of vertical direction, and its assembling orientation is single, and assembly and disassembly is convenient.And this elasticity snap-fit element and chimeric element can limit relatively moving of level between two frameworks and vertical direction, therefore can keep module backlight and the good fixed function of liquid crystal indicator.
Description of drawings
Fig. 1 is a kind of synoptic diagram of prior art liquid crystal indicator.
Fig. 2 is the synoptic diagram of liquid crystal indicator one better embodiment of the present invention.
Fig. 3 is the enlarged diagram of III part among Fig. 2.
Fig. 4 is the partial cross section figure of Fig. 2 along the IV-IV direction.
Fig. 5 is the enlarged diagram of V part among Fig. 2.
Fig. 6 is the partial cross section figure of Fig. 2 along the VI-VI direction.
Fig. 7 is the enlarged diagram of VII part among Fig. 2.
Fig. 8 is the partial cross section figure of Fig. 2 along VIII-VII I direction.
Fig. 9 is the elasticity snap-fit element of liquid crystal indicator shown in Figure 2 and amplification sectional view after chimeric element engages.
Embodiment
Seeing also Fig. 2, is the synoptic diagram of liquid crystal indicator one better embodiment of the present invention.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 (indicating), 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, 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.Contiguous this incidence surface 333 of this light source is 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 partial cross section figure of Fig. 2 along the IV-IV direction.This glue frame 350 is four sidewalls 352 that linked to each other successively by head and the tail and the hollow frame that surrounds from the horizontally extending back up pad 354 of the inside surface of this four sidewall 352, this back up pad 354 defines one first receiving space (not indicating), and this back up pad 354 and this four sidewall 352 define one second receiving space (not indicating).The upper surface 355 of this sidewall 352 and lower surface 356 are provided with a plurality of grooves 357, in this groove 357 elasticity snap-fit element 358 is set, this elasticity snap-fit element 358 is that the mushroom spring leaf by a hollow constitutes, it comprises head 3582, bar portion 3584 and is arranged on the perforation 3586 of this head 3582 and this bar portion 3584 that these head 3582 radiuses are greater than the radius of this bar portion 3584.
See also Fig. 5 and Fig. 6, Fig. 5 is the enlarged diagram of V part among Fig. 2, and Fig. 6 is the partial cross section figure of Fig. 2 along the VI-VI direction.Should go up fixed frame 200 and comprise one first base plate 202, this first base plate 202 defines a display window (not indicating), and these first base plate, 202 contiguous these glue frame 350 1 sides are provided with a plurality of projections 204, on each projection 204 chimeric element is set, this chimeric element is a counterbore 206, and this counterbore 206 is complementary with the elasticity snap-fit element 358 that is arranged on the upper surface 355 of glue frame 350 sidewalls 352.
See also Fig. 7 and Fig. 8, Fig. 7 is the enlarged diagram of VII part among Fig. 2, and Fig. 8 is the partial cross section figure of Fig. 2 along the VIII-VIII direction.This time fixed frame 370 comprises one second base plate 372, and these second base plate, 372 contiguous these glue frame 350 1 sides are provided with a plurality of projections 374, each projection 374 is provided with chimeric element, this chimeric element is a counterbore 376, and this counterbore 376 is complementary with the elasticity snap-fit element 358 that is arranged on the lower surface 356 of glue frame 350.
Please in the lump with reference to Fig. 9, during assembling, this light guide plate 330 is housed in first receiving space of this glue frame 350, and contiguous this incidence surface 333 of this light source is 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; Said modules is placed in this time fixed frame 370, on vertical direction perpendicular to level, the projection 374 of following fixed frame 370 is inserted in the groove 357 of glue frame 350 lower surfaces 356, and the elasticity snap-fit element 358 that is arranged in groove 357 is utilized self elasticity generation deformation and is snapped in the counterbore 376 of projection 374, at this moment, the bar portion 3584 of this hollow elastic snap-fit element 358 and the 378 elasticity butts of the side with counterbore 376 places of this projection 374, to limit this glue frame 350 moving in the horizontal direction, the head 3582 of this elasticity snap-fit element 358 and chimeric surface 377 butts with counterbore 376 places of this projection 374 are to limit this glue frame 350 moving in vertical direction; In glue frame 350 moved with the group of following fixed frame 370 is upright, these a plurality of elasticity snap-fit element 358 all were fixed on the same direction of vertical direction, and limit this glue frame 350 and 370 relatively moving in level and vertical direction of following fixed frame; Again liquid crystal panel 210 contiguous these modules 300 backlight are provided with, and are housed in second receiving space of this glue frame 350; To go up fixed frame 200 and place this liquid crystal panel 210 tops, it is identical with the mode that is fixed of following fixed frame 370, glue frame 350 to go up being fixed of fixed frame 200, glue frame 350, a plurality of elasticity snap-fit element 358 that utilization is arranged on glue frame 350 upper surfaces 355 and a plurality of chimeric elements of last fixed frame 200 cooperate immobile liquid crystal panel 210 and module backlight 300, these a plurality of elasticity snap-fit element 358 also all are fixed on the same direction of vertical direction, and limit this glue frame 350 and 200 relatively moving in level and vertical direction of last fixed frame.
Compared to prior art, when assembling, a plurality of elasticity snap-fit element 358 of this glue frame 350 all are to be fixed in vertical direction with the chimeric element of upper and lower fixed frame 200,370, and its assembling orientation is single, easy to assembly.When heavy industry is dismantled, constitute because this elasticity snap-fit element 358 is the mushroom spring leafs by a hollow, it can utilize himself elasticity generation deformation, therefore only need pinch elasticity snap-fit element 358, make it get final product convenient disassembly by withdrawing from the counterbore 376,206.And it can limit glue frame 350 and 200,370 relatively moving in level and vertical direction of upper and lower fixed frame, therefore, it does not need to reserve certain clearance, can keep good fixed function, simultaneously if glue frame 350 with upper and lower fixed frame 200,370 deformation takes place, this elasticity snap-fit element 358 also can utilize self elasticity to keep good fixed function.
Yet, it is described that this module 300 backlight is not limited to above-mentioned embodiment, for example, the a plurality of chimeric element that should go up fixed frame 200 and 370 settings of following fixed frame is the mushroom spring leaf of a hollow, it comprises head, bar portion and is arranged on this head and the perforation of this bar portion, this head radius is greater than the radius of this bar portion, and a plurality of elasticity snap-fit element 358 that the upper surface 355 of this glue frame 350 and lower surface 356 are provided with are a counterbore; This elasticity snap-fit element 358 also can be the two semicircle ring-type elastic clamping hooks that are provided with relatively, the two sheet elastic clamping hooks that are provided with relatively, perhaps be that three lobe shell fragments surround hollow elastic trip or the like, its shape and distribute can be according to needs change design, it is described to be not limited to above-mentioned embodiment.
Claims (10)
1. module backlight, it comprises one first framework and one second framework, and this first framework is used to carry each optical element of module backlight, and it has a plurality of elasticity snap-fit element; This second framework has a plurality of chimeric elements, it is characterized in that: these a plurality of elasticity snap-fit element and a plurality of chimeric element all are fixed in vertical direction, with first framework and second frame fixation together, and limit relatively moving of level between two frameworks and vertical direction.
2. module backlight as claimed in claim 1, it is characterized in that: this first framework is a hollow frame, it comprises end to end successively four sidewalls and from the inside horizontally extending back up pad of this four sidewall, these a plurality of elasticity snap-fit element are arranged on the surface of contiguous this second framework, one side of this sidewall, the mushroom spring leaf that this elasticity snap-fit element is a hollow, it comprises head, bar portion and is arranged on this head and the perforation of this bar portion that this head radius is greater than the radius of this bar portion.
3. module backlight as claimed in claim 2, it is characterized in that: this second framework comprises a base plate, these a plurality of chimeric elements are arranged on this base plate, this chimeric element is a counterbore, the chimeric surface butt at this head and this second framework counterbore place, the side elastic butt at this bar portion and this second framework counterbore place.
4. module backlight as claimed in claim 1, it is characterized in that: this elasticity snap-fit element is a counterbore, the mushroom spring leaf that this chimeric element is a hollow, it comprises head, bar portion and is arranged on this head and the perforation of this bar portion that this head radius is greater than the radius of this bar portion.
5. liquid crystal indicator, it comprises the module backlight that a liquid crystal panel and contiguous this liquid crystal panel are provided with, this module backlight comprises one first framework and one second framework, and this first framework is used to carry each optical element of module backlight, and it has a plurality of elasticity snap-fit element; This second framework has a plurality of chimeric elements, it is characterized in that: these a plurality of elasticity snap-fit element and a plurality of chimeric element all are fixed in vertical direction, with first framework and second frame fixation together, and limit relatively moving of level between two frameworks and vertical direction.
6. liquid crystal indicator as claimed in claim 5, it is characterized in that: this first framework is a hollow frame, it comprises end to end successively four sidewalls and from the inside horizontally extending back up pad of this four sidewall, these a plurality of elasticity snap-fit element are arranged on the surface of contiguous this second framework, one side of this sidewall, the mushroom spring leaf that this elasticity snap-fit element is a hollow, it comprises head, bar portion and the perforation that is arranged on this head and this bar portion, this head radius is greater than the radius of this bar portion, this second framework comprises a base plate, these a plurality of chimeric elements are arranged on this base plate, and this chimeric element is a counterbore.
7. liquid crystal indicator as claimed in claim 6 is characterized in that: the chimeric surface butt at this head and this second framework counterbore place, the side elastic butt at this bar portion and this second framework counterbore place.
8. liquid crystal indicator as claimed in claim 5 is characterized in that: this liquid crystal indicator further comprises one the 3rd framework, this first, second and the 3rd framework cooperatively interact immobile liquid crystal panel and module backlight in the lump.
9. liquid crystal indicator as claimed in claim 8, it is characterized in that: the 3rd framework comprises a base plate, this base plate defines a display window, a plurality of chimeric elements are arranged on the base plate of the 3rd framework, this chimeric element is a counterbore, this second framework comprises a base plate, a plurality of chimeric elements are arranged on the base plate of second framework, this first framework is a hollow frame, it comprises end to end successively four sidewalls and from the inside horizontally extending back up pad of this four sidewall, is provided with the elasticity snap-fit element on the surface of this second and the 3rd framework of the vicinity of this sidewall.
10. liquid crystal indicator as claimed in claim 5, it is characterized in that: this elasticity snap-fit element is a counterbore, the mushroom spring leaf that this chimeric element is a hollow, it comprises head, bar portion and is arranged on this head and the perforation of this bar portion that this head radius is greater than the radius of this bar portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006101573735A CN101196636A (en) | 2006-12-08 | 2006-12-08 | Back light module unit and LCD device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006101573735A CN101196636A (en) | 2006-12-08 | 2006-12-08 | Back light module unit and LCD device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101196636A true CN101196636A (en) | 2008-06-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2006101573735A Pending CN101196636A (en) | 2006-12-08 | 2006-12-08 | Back light module unit and LCD device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101196636A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103090321A (en) * | 2012-12-29 | 2013-05-08 | 深圳市帝显电子有限公司 | Backlight source with location structure arranged in base plate and assembly method thereof |
| CN103901661A (en) * | 2012-12-24 | 2014-07-02 | 乐金显示有限公司 | Liquid crystal display device |
| CN106896554A (en) * | 2011-09-01 | 2017-06-27 | Lg电子株式会社 | Display apparatus |
-
2006
- 2006-12-08 CN CNA2006101573735A patent/CN101196636A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106896554A (en) * | 2011-09-01 | 2017-06-27 | Lg电子株式会社 | Display apparatus |
| CN106896554B (en) * | 2011-09-01 | 2021-01-12 | Lg电子株式会社 | Display device |
| CN103901661A (en) * | 2012-12-24 | 2014-07-02 | 乐金显示有限公司 | Liquid crystal display device |
| CN103901661B (en) * | 2012-12-24 | 2016-08-17 | 乐金显示有限公司 | Liquid crystal indicator |
| CN103090321A (en) * | 2012-12-29 | 2013-05-08 | 深圳市帝显电子有限公司 | Backlight source with location structure arranged in base plate and assembly method thereof |
| CN103090321B (en) * | 2012-12-29 | 2015-06-24 | 深圳市帝显电子有限公司 | Backlight source with location structure arranged in base plate and assembly method thereof |
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| PB01 | Publication | ||
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |