CN202837742U - Liquid crystal display (LCD) module - Google Patents
Liquid crystal display (LCD) module Download PDFInfo
- Publication number
- CN202837742U CN202837742U CN201220440106.XU CN201220440106U CN202837742U CN 202837742 U CN202837742 U CN 202837742U CN 201220440106 U CN201220440106 U CN 201220440106U CN 202837742 U CN202837742 U CN 202837742U
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- China
- Prior art keywords
- adhesive tape
- faced adhesive
- black
- double faced
- guide plate
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- Expired - Lifetime
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- Planar Illumination Modules (AREA)
Abstract
The utility model provides a liquid crystal display (LCD) module which comprises glass, a black and white double faced adhesive tape, a light guide plate, the glass, the black and white double faced adhesive tape and the light guide plate are arranged in sequence A protuberant wedge structure is arranged at one end of the light guide plate. A flexible printed circuit (FPC) is arranged between the black and white double faced adhesive tape and the wedge structure of the light guide plate. The flexible printed circuit and the black and white double faced adhesive tape are pasted together. A double faced adhesive tape is pasted between the wedge structure and the FPC. A light-emitting diode (LED) light source which leans against on the FPC is arranged on the end face of the light guide plate. An interval in the area of the black and white double faced adhesive tape which corresponds to the wedge structure of the light guide plate is arranged between the black and white double faced adhesive tape and the glass. Thin boards are increased between the black and white double faced adhesive tape and the glass so as to prevent the two from gluing together, effectively avoid the appearance of the light-leaking phenomenon of the LCD module, play a supporting and fixed role in the black and white double faced adhesive tape.
Description
Technical field
The utility model relates to a kind of LCD module.
Background technology
Along with the progress of society and the raising of living standards of the people, mobile phone is as a kind of new means of communication, more and more generally use, people are to the outward appearance of mobile phone, function, and also progressively the lifting of the demand of the aspect such as display effect, the LCM display is as one of core component of mobile phone, and it is particularly important that its display effect seems.Under the market competition of fierceness, backlight module is to lightweight, slimming, and high brightness, large scale, future development strides forward cheaply.
In backlight, the light that is arranged in the pointolite LED of light guide plate side enters after the light guide plate through diffusion sheet, brightening piece, the Multi reflection of reflector plate and refraction are transformed into area source, are distributed to whole light-emitting area, it is the visible area that we see, illumination effect before the lamp directly affects the display effect of visible area, and light leak is modal bad phenomenon in the module, the display effect backlight and the quality that are having a strong impact on.
In the LCD module; because center thickness backlight is limited; in order to adopt the led light source of 0.6T; increasing light guide plate has all adopted wedge structure at the light source place; in conjunction with shown in Figure 1; make the surface of light source of light guide plate be higher than light-emitting area; because the thickness that the thickness of polaroid exceeds greater than lozenges; so just caused meeting Existential Space gap between glass and the black and white glue backlight; on the other hand; in order to satisfy the requirement of client's size and illumination effect; it is very thin that the horizontal bar 3 at back light member groove place all designs; width only has 0.5mm usually; module is when assembling glass and FPC; the muscle at place, lamp source is easy to crimp; cause the skew of black and white glue to cling glass, the FPC that is bonded on the black and white glue also and then uncovers, so that LED is offset out in light trough; the part light of LED just can not well conduct by light guide plate like this; before lamp, form obvious speck, be usually said light leak, in conjunction with shown in Figure 2; a lot of backlight product display effects when finishing finished product are good; do not find light leak, but load onto after the glass, just often this light leakage phenomena can occur; having a strong impact on the quality of LCD, all is because the horizontal bar distortion before the glue frame lamp causes the LED displacement of arching upward to cause.
Summary of the invention
A purpose of the present utility model is to overcome the deficiency of one of above-mentioned prior art, and a kind of LCD module of difficult generation speck is provided.
A kind of LCD module, comprise the glass that sets gradually, the black and white double faced adhesive tape, light guide plate, the bossed wedge structure of one end tool of described light guide plate, also be provided with FPC between the wedge structure of described black and white double faced adhesive tape and light guide plate, post double faced adhesive tape between described wedge structure and the FPC, the end face of described light guide plate is provided with led light source, described led light source is resisted against on the described FPC, be provided with the interval between described black and white double faced adhesive tape and the glass, zone at black and white double faced adhesive tape corresponding to the wedge structure of light guide plate, be provided with the thin material that prevents that both from contacting between glass and black and white double faced adhesive tape, described thin material is fitted on the described black and white double faced adhesive tape.
Further, described wedge structure is positioned at a side of light guide plate, and described wedge structure is that the cross section is trapezoidal boss.
Further, described thin material is polyimide plate.
Further, the distance at described interval is 0.15mm.
Further, the thickness of described polyimide plate is 0.05mm.
Further, described LCD module also comprises the glue frame for fixing glass and light guide plate, and described glue frame uniformly-spaced is provided with a plurality of member slot for LED is installed, and described led light source is positioned at described member slot.
Further, described thin material covers black and white double faced adhesive tape zone corresponding to described wedge structure.
A kind of LCD module that the utility model provides, comprise the glass that sets gradually, the black and white double faced adhesive tape, light guide plate, the bossed wedge structure of one end tool of described light guide plate, also be provided with FPC between the wedge structure of described black and white double faced adhesive tape and light guide plate, PFC and black and white double faced adhesive tape are pasted together, post double faced adhesive tape between described wedge structure and the FPC, the end face of described light guide plate is provided with led light source, described led light source is resisted against on the described FPC, be provided with the interval between described black and white double faced adhesive tape and the glass, zone at black and white double faced adhesive tape corresponding to the wedge structure of light guide plate, between black and white double faced adhesive tape and glass, install thin material additional and can prevent that not only both are bonded together, and can effectively avoid the generation of LCD module light leakage phenomena.
Description of drawings
Fig. 1 is the structural representation of prior art.
Fig. 2 is the synoptic diagram that causes speck after the horizontal bar of prior art is out of shape.
Fig. 3 is the structural drawing of a kind of embodiment of the utility model LCD module.
Fig. 4 is A-A place cut-open view among Fig. 3.
Wherein: glue frame 1; Glass 2; Horizontal bar 3; Black and white double faced adhesive tape 4; FPC5; Double faced adhesive tape 6; Light guide plate 7; Wedge structure 8; Led light source 9; Thin material 10; Polaroid 11.
Embodiment
Clearer for technical matters, technical scheme and beneficial effect that the utility model is solved, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explaining the utility model, and be not used in restriction the utility model.
In conjunction with illustrated in figures 1 and 2, in the LCD module, because center thickness backlight is limited, for the led light source 9 that can adopt 0.6mm, increasing light guide plate 7 has all adopted wedge structure 8 at the light source place, make the surface of light source of light guide plate 7 be higher than light-emitting area, because the thickness that the thickness of polaroid 11 exceeds greater than lozenges, so just caused meeting Existential Space gap between glass 2 and the black and white glue backlight, it is very thin that the horizontal bar 3 at member slot place all designs, width only has 0.5mm usually, the LCD module is when assembling glass 2 and FPC5, the horizontal bar 3 at place, lamp source is easy to crimp, causes the skew of black and white glue to cling glass 2, and the FPC5 that is bonded on the black and white glue also and then uncovers, so that led light source 9 is offset out in member slot, the part light of led light source 9 can not well conduct by light guide plate 7, just at the obvious speck of led light source 9 front formation, all is because horizontal bar 3 distortion of glue frame 1 cause led light source 9 to arch upward is shifted and causes after all.
As shown in Figure 3, a kind of LCD module that the utility model provides, comprise the glass 2 that sets gradually, black and white double faced adhesive tape 4, light guide plate 7, the bossed wedge structure 8 of one end tool of described light guide plate 7, also be provided with FPC5 between the wedge structure 8 of described black and white double faced adhesive tape 4 and light guide plate 7, FPC5 and black and white double faced adhesive tape 4 are pasted together, post double faced adhesive tape 6 between described wedge structure 8 and the FPC5, the end face of described light guide plate 7 is provided with led light source 9, described led light source 9 is resisted against on the described FPC5, zone at the black and white double faced adhesive tape 4 of wedge structure 8 correspondences of light guide plate 7 is provided with the interval between described black and white double faced adhesive tape 4 and the glass 2.
In conjunction with shown in Figure 4, in the prior art, described LCD module also comprises the glue frame 1 for fixing glass 2 and light guide plate 7, glue frame 1 is used for carrying the supporting construction of LCD module, glass 2, black and white double faced adhesive tape 4, a series of components and parts such as light guide plate 7 all are installed on the glue frame 1, described glue frame 1 uniformly-spaced is provided with a plurality of member slot for LED is installed, one end of glue frame 1 has horizontal bar 3, the member slot that is used for installation led light source 9 is arranged on the horizontal bar 3 of glue frame 1, led light source 9 is arranged on the horizontal bar 3, carrying glass 2 and FPC5(flexible PCB) be easy to afterwards extrusion, and then cause that black and white double faced adhesive tape 4 and glass 2 are bonding out to cause the speck phenomenon so that led light source 9 is offset from member slot.
In conjunction with shown in Figure 2, in order to prevent after horizontal bar 3 extrusions, black and white double faced adhesive tape 4 is bonded together with glass 2, proposed between glass 2 and black and white double faced adhesive tape 4, to be provided with the thin material 10 that prevents that both from contacting in the technical program, thin material 10 does not have bounding force, can so that both be bonded together again, so not avoid led light source 9 from member slot, to be offset yet and out cause the speck phenomenon.
As a kind of preferred scheme, for so that the effect of cutting off between black and white double faced adhesive tape 4 and the glass 2 is better, the area of thin material 10 covers wedge structure 8 corresponding zones as far as possible, black and white double faced adhesive tape 4 and glass 2 spaced zones are cut off, effectively avoid black and white double faced adhesive tape 4 to contact bonding situation with glass 2 and occur, preferred spacing distance is 0.15mm.
In addition, the thickness of thin material 10 should be less than the interval between black and white double faced adhesive tape 4 and the glass 2, and in order to reduce thin material 10 weight, the thickness of polyimide plate is 0.05mm.
Described wedge structure 8 is positioned at a side of light guide plate 7, described wedge structure 8 is trapezoidal boss for the cross section, design is so that the surface of light source of light guide plate 7 is higher than the light-emitting area of led light source 9 like this, the zone of wedge structure 8 corresponding glass 2 and black and white double faced adhesive tape 4 is: along the normal direction of light guide plate 7, and the zone that the projection of wedge structure 8 on black and white double faced adhesive tape 4 and glass 2 covers.
A kind of LCD module that the utility model provides, comprise the glass 2 that sets gradually, black and white double faced adhesive tape 4, light guide plate 7, the bossed wedge structure 8 of one end tool of described light guide plate 7, also be provided with FPC5 between the wedge structure 8 of described black and white double faced adhesive tape 4 and light guide plate 7, FPC5 and black and white double faced adhesive tape 4 are pasted together, post double faced adhesive tape 6 between described wedge structure 8 and the FPC5, the end face of described light guide plate 7 is provided with led light source 9, described led light source 9 is resisted against on the described FPC5, be provided with the interval between described black and white double faced adhesive tape 4 and the glass 2, zone at the black and white double faced adhesive tape 4 of wedge structure 8 correspondences of light guide plate 7, between black and white double faced adhesive tape 4 and glass 2, install thin material 10 additional and can prevent that not only both are bonded together, can effectively avoid the generation of LCD module light leakage phenomena, can also play the support fixation to black and white double faced adhesive tape 4.
The above only is preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of within spirit of the present utility model and principle, doing, be equal to and replace and improvement etc., all should be included within the protection domain of the present utility model.
Claims (7)
1. LCD module, comprise the glass that sets gradually, the black and white double faced adhesive tape, light guide plate, the bossed wedge structure of one end tool of described light guide plate, also be provided with FPC between the wedge structure of described black and white double faced adhesive tape and light guide plate, post double faced adhesive tape between described wedge structure and the FPC, the end face of described light guide plate is provided with led light source, described led light source is resisted against on the described FPC, be provided with the interval between described black and white double faced adhesive tape and the glass, it is characterized in that, in the zone of black and white double faced adhesive tape corresponding to the wedge structure of light guide plate, between glass and black and white double faced adhesive tape, be provided with the thin material that prevents that both from contacting, described thin material is fitted on the described black and white double faced adhesive tape.
2. LCD module according to claim 1 is characterized in that, described wedge structure is positioned at a side of light guide plate, and described wedge structure is that the cross section is trapezoidal boss.
3. LCD module according to claim 1 is characterized in that, described thin material is polyimide plate.
4. LCD module according to claim 3 is characterized in that, the distance at described interval is 0.15mm.
5. LCD module according to claim 3 is characterized in that, the thickness of described polyimide plate is 0.05mm.
6. LCD module according to claim 1 is characterized in that, described LCD module also comprises the glue frame for fixing glass and light guide plate, and described glue frame uniformly-spaced is provided with a plurality of member slot for LED is installed, and described led light source is positioned at described member slot.
7. LCD module according to claim 2 is characterized in that, described thin material covers black and white double faced adhesive tape zone corresponding to described wedge structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220440106.XU CN202837742U (en) | 2012-08-31 | 2012-08-31 | Liquid crystal display (LCD) module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220440106.XU CN202837742U (en) | 2012-08-31 | 2012-08-31 | Liquid crystal display (LCD) module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202837742U true CN202837742U (en) | 2013-03-27 |
Family
ID=47949409
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220440106.XU Expired - Lifetime CN202837742U (en) | 2012-08-31 | 2012-08-31 | Liquid crystal display (LCD) module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202837742U (en) |
-
2012
- 2012-08-31 CN CN201220440106.XU patent/CN202837742U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHENZHEN BYD ELECTRONIC COMPONENT CO., LTD. Free format text: FORMER OWNER: BIYADI CO., LTD. Effective date: 20150831 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20150831 Address after: 518119 Guangdong province Shenzhen City Dapeng new Kwai town Yanan Road No. 1 building experimental Byd Co Patentee after: SHENZHEN BYD ELECTRONIC COMPONENT Co.,Ltd. Address before: BYD 518118 Shenzhen Road, Guangdong province Pingshan New District No. 3009 Patentee before: BYD Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 518119 Guangdong province Shenzhen City Dapeng new Kwai town Yanan Road No. 1 building experimental Byd Co Patentee after: Shenzhen helitai photoelectric Co.,Ltd. Address before: 518119 Guangdong province Shenzhen City Dapeng new Kwai town Yanan Road No. 1 building experimental Byd Co Patentee before: SHENZHEN BYD ELECTRONIC COMPONENT Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130327 |
|
| CX01 | Expiry of patent term |