CN202837741U - Liquid crystal display (LCD) module - Google Patents
Liquid crystal display (LCD) module Download PDFInfo
- Publication number
- CN202837741U CN202837741U CN201220440026.4U CN201220440026U CN202837741U CN 202837741 U CN202837741 U CN 202837741U CN 201220440026 U CN201220440026 U CN 201220440026U CN 202837741 U CN202837741 U CN 202837741U
- Authority
- CN
- China
- Prior art keywords
- adhesive tape
- faced adhesive
- black
- double faced
- white double
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Abstract
The utility model provides a liquid crystal display (LCD) module which comprises glass, a black and white double faced adhesive tape, and a light guide panel (LGP). A wedge-shaped structure is arranged at one end of the LGP, a flexible printed circuit (FPC) is further arranged between the black and white double faced adhesive tape and the wedge-shaped structure of the LGP, the FPC is bonded with the black and white double faced adhesive tape, a double faced adhesive tape is pasted between the wedge-shaped structure and the FPC, a light-emitting diode (LED) light source is arranged on the end faces of the LGP, the LED light source abuts against the FPC, and a gap is arranged between the black and white double faced adhesive tape and the glass. Due do the fact that sheet materials are additionally arranged on an area, corresponding to the wedge-shaped structure of the LGP, of the black and white double faced adhesive tape, and between the black and white double faced adhesive tape and the glass, not only are the black and white double faced adhesive tape and the glass prevented from being bonded with each other, is light leak phenomenon of the LCD module effectively avoided, but also the black and white double faced adhesive tap is supported and fixed.
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, 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, and described thin material covers black and white double faced adhesive tape zone corresponding to described wedge structure.
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.
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 (6)
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, zone at 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, and described thin material covers black and white double faced adhesive tape zone corresponding to described wedge structure.
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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220440026.4U CN202837741U (en) | 2012-08-31 | 2012-08-31 | Liquid crystal display (LCD) module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220440026.4U CN202837741U (en) | 2012-08-31 | 2012-08-31 | Liquid crystal display (LCD) module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202837741U true CN202837741U (en) | 2013-03-27 |
Family
ID=47949408
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220440026.4U Expired - Lifetime CN202837741U (en) | 2012-08-31 | 2012-08-31 | Liquid crystal display (LCD) module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202837741U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108254973A (en) * | 2018-01-31 | 2018-07-06 | 广东欧珀移动通信有限公司 | Electronic device and its display module, backlight module |
-
2012
- 2012-08-31 CN CN201220440026.4U patent/CN202837741U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108254973A (en) * | 2018-01-31 | 2018-07-06 | 广东欧珀移动通信有限公司 | Electronic device and its display module, backlight module |
| US11187850B2 (en) | 2018-01-31 | 2021-11-30 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Electronic device, display assembly thereof, and backlight module thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202216081U (en) | Back light source capable of adjusting light locally and liquid crystal display module | |
| US9280009B2 (en) | Double-sided curved liquid crystal display device | |
| US20130033657A1 (en) | Backlight module and liquid crystal display | |
| US8587745B2 (en) | Liquid crystal display device and fixing device thereof | |
| CN105044981A (en) | Backlight module and liquid crystal display device | |
| CN101363996A (en) | Back light module unit and LCD device | |
| CN103807814A (en) | Backing plate, backlight module adopting backing plate and liquid crystal display device | |
| CN105114857A (en) | Backlight module and LCD | |
| CN204164818U (en) | Backlight, liquid crystal module and display unit | |
| CN202813236U (en) | Light leakage preventing black and white double-sided adhesive tape, backlight module and liquid crystal display device | |
| CN202813036U (en) | Direct down type backlight module and liquid crystal display device | |
| CN205318064U (en) | Backlight module and display device | |
| CN103267245A (en) | Backlight module and display | |
| CN102635810A (en) | Backlight module | |
| CN207096639U (en) | A kind of backlight module | |
| CN202837741U (en) | Liquid crystal display (LCD) module | |
| CN204345547U (en) | Backlight module | |
| CN103353095A (en) | Plastic frame, backlight module and flat panel display device adopting same | |
| CN203147661U (en) | Rubber frame, back light module and display device | |
| CN202837742U (en) | Liquid crystal display (LCD) module | |
| CN202049303U (en) | Lcm | |
| CN201935061U (en) | Backlight structure and liquid crystal display module | |
| TW201421123A (en) | Back light module and display device using the same | |
| CN201539782U (en) | Modified backlight module | |
| CN202835045U (en) | Edge-lit backlight module |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130327 |
|
| CX01 | Expiry of patent term |