CN203036402U - Backlight module and liquid crystal display device - Google Patents
Backlight module and liquid crystal display device Download PDFInfo
- Publication number
- CN203036402U CN203036402U CN 201220731113 CN201220731113U CN203036402U CN 203036402 U CN203036402 U CN 203036402U CN 201220731113 CN201220731113 CN 201220731113 CN 201220731113 U CN201220731113 U CN 201220731113U CN 203036402 U CN203036402 U CN 203036402U
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- adhesive tape
- backlight module
- insulating tape
- liquid crystal
- lcds
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Abstract
The utility model discloses a backlight module and a liquid crystal display device. The backlight module comprises a back plate, an adhesive frame, a sinuous double-sided adhesive tape, and a PET (polyethylene terephthalate) single-sided adhesive tape, wherein the sinuous double-sided adhesive tape is arranged on the adhesive frame and the PET single-sided adhesive tape is arranged on the sinuous double-sided adhesive tape. An extending IC (integrated circuit) insulating adhesive tape is arranged on the PET single-sided adhesive tape in a direction far away from the back plate, and the adhesive side of the IC insulating adhesive tape is far away from the sinuous double-sided adhesive tape. By the use of the backlight module and the liquid crystal display device, warping is avoided, assembly materials of the liquid crystal display device are reduced, assembly steps are reduced and production cost can be lowered effectively.
Description
Technical field
The utility model relates to flat panel display, particularly a kind of backlight module and liquid crystal indicator.
Background technology
At present, liquid crystal indicator has been widely used in the various electronic products as the display unit of electronic equipment.Liquid crystal indicator mainly comprises LCDs and module backlight, LCDs and module backlight are being assembled in the process of liquid crystal indicator, the material that can relate to One's name is legion, every many materials just mean wants many procedures, many handling of goods and materials flow processs, the increase of operation and the increase of management process all can cause the rising of production cost.Therefore, each manufacturer all can the on-the-spot material quantity of strict control.
As depicted in figs. 1 and 2, liquid crystal indicator 100 comprises LCDs 101 and module backlight 102, and described LCDs 101 is fixedlyed connected by double faced adhesive tape 103 with described module 102 backlight.The FPC105 that described LCDs 101 is provided with IC104 and is connected with described IC104 can be folded into the back side of described module backlight 102 after the described FPC105 crimping.After the described FPC105 bending, because the reason of stress can produce certain pulling effect to described LCDs 101, after long-time placement or RA experiment, the continuous action that pulls effect can cause described LCDs 101 to break away from described double faced adhesive tape 103 and produce warpage.Special for the liquid crystal indicator of not going up chase, above-mentioned warping phenomenon is even more serious.
As shown in Figure 2, for fear of above-mentioned warping phenomenon, in the process of assembling liquid crystal indicator 100, can paste again at the connecting portion of described LCDs 101 and FPC104 and pay an IC insulating tape 106, described IC insulating tape 106 has destroyed the pulling effect of the LCDs 101 of described FPC105, and increased the cohesive force of described LCDs 101 and described module backlight, avoided the generation of warping phenomenon.But, the increase of IC insulating tape 106, the assembling process for liquid crystal indicator 100 has increased material, has also increased processing step and handling of goods and materials flow process accordingly, certainly will cause the rising of production cost.
The utility model content
The utility model provides a kind of backlight module and liquid crystal indicator, to reach when avoiding warpage to take place, does not increase the material in the assembling process, thus the purpose that realization reduces production costs.
For solving the problems of the technologies described above, the utility model provides a kind of backlight module, comprise backboard, glue frame, be arranged at " returning " shape double faced adhesive tape and the PET single face glue that is arranged on described " returning " shape double faced adhesive tape on the described glue frame, wherein, described PET single face glue is to extending to form an IC insulating tape away from described backboard direction, and the glue face of described IC insulating tape is away from described " returning " shape double faced adhesive tape.
Optionally, in described backlight module, described IC insulating tape comprises a pet layer and the insulation double faced adhesive tape that is arranged on the described pet layer.
Optionally, in described backlight module, described IC insulating tape comprises an insulating barrier and the insulation double faced adhesive tape that is arranged on the insulating barrier.
Optionally, in described backlight module, described IC insulating tape is " recessed " shape.
Optionally, in described backlight module, also comprise the diaphragm that is arranged on described PET single face glue, described IC insulating tape and described " returning " shape double faced adhesive tape.
Accordingly, the utility model also provides a kind of liquid crystal indicator, comprises a LCDs and described module backlight.
Optionally, in described liquid crystal indicator, described LCDs comprises an IC and the FPC that is connected with described IC.
Optionally, in described liquid crystal indicator, described IC insulating tape turnover is attached at the connecting portion of described IC and described FPC.
The backlight module that the utility model adopts, comprise backboard, glue frame, be arranged at " returning " shape double faced adhesive tape and the PET single face glue that is arranged on described " returning " shape double faced adhesive tape on the described glue frame, wherein, described PET single face glue is to extending to form an IC insulating tape away from described backboard direction, and the glue face of described IC insulating tape is away from described " returning " shape double faced adhesive tape.In described backlight module, PET single face glue and IC insulating tape are integrated, that is to say that the IC insulating tape is under the jurisdiction of the part of backlight module.In assembling process, just there is not independently this material of IC insulating tape at backlight module and LCDs, reduced the material quantity in the assembling process.Simultaneously, the glue face of described IC insulating tape is away from described " returning " shape double faced adhesive tape, after LCDs and backlight module assembling, described IC insulating tape can turn down to LCDs, make the glue face of IC insulating tape towards LCDs, and paste to pay on LCDs the connecting portion with FPC, to have destroyed the pulling effect of the LCDs of FPC, increase the cohesive force of described LCDs and described module backlight, thereby avoided the generation of warping phenomenon.Therefore, adopt backlight module of the present utility model, when having avoided warpage to take place, less assembling material reduces the packaging technology step, has reduced the management of logistics and production scene simultaneously, thereby realizes the purpose that reduces production costs.
Description of drawings
Fig. 1 is the vertical view of a liquid crystal indicator in the prior art;
Fig. 2 is that Fig. 1 is along the profile of A-A';
Fig. 3 is the vertical view of the backlight module of the utility model one embodiment;
Fig. 4 is that Fig. 3 is along the profile of A-A';
Fig. 5 is the profile of the backlight module of another embodiment of the utility model;
Fig. 6 is the vertical view of the liquid crystal indicator of the another embodiment of the utility model;
Fig. 7 is that Fig. 6 is along the profile of B-B'.
The specific embodiment
Core concept of the present utility model is, IC insulating tape and the PET single face glue of the prior art of avoiding warping phenomenon to take place is integrated.Pay operation with the subsides of omitting IC insulating tape of the prior art, and reduced the handling of goods and materials of IC insulating tape simultaneously, when avoiding warpage to take place, reduce production costs thus.
In order to make the purpose of this utility model, technical scheme and advantage are clearer, further elaborate below in conjunction with accompanying drawing.
As shown in Figure 3 and Figure 4, the backlight module 200 of the utility model one embodiment comprises backboard 201, glue frame 202, is arranged at " returning " shape double faced adhesive tape 203 and the PET single face glue 204 that is arranged on described " returning " shape double faced adhesive tape on the described glue frame.Wherein, described PET single face glue 204 is to extending to form an IC insulating tape 205 away from described backboard 201 directions, and the glue face of described IC insulating tape 205 is away from described " returning " shape double faced adhesive tape 203.
As shown in Figure 3, contaminated for the glue face of protecting " returning " shape double faced adhesive tape 203, PET single face glue 204 and IC insulating tape 205, can diaphragm 206 be set at described PET single face glue 205, described IC insulating tape 205 and described " returning " shape double faced adhesive tape 203.Before assembling with LCDs, described diaphragm 206 can be torn, again backlight module 200 and LCDs are fitted together.Described backlight module 200 is fixed together with described LCDs by " returning " shape double faced adhesive tape 203 and PET single face glue 204.
As shown in Figure 4, described PET single face glue 204 comprises a pet layer 2041 and the double faced adhesive tape 2042 that is arranged on the described pet layer 2041.Easily manufactured for PET single face glue 204 and IC insulating tape 205 can be set to same structure with IC insulating tape 205 and PET single face glue 204.That is to say that described IC insulating tape 205 comprises a pet layer 2051 and the insulation double faced adhesive tape 2052 that is arranged on the described pet layer 2051.Further, described IC insulating tape 205 and PET single face glue 204 can be one-body molded.
As shown in Figure 5, in order to save cost, also described IC insulating tape 205 also can or not comprised pet layer.Concrete, in another embodiment, described IC insulating tape 205 comprises an insulating barrier 2053 and the insulation double faced adhesive tape 2054 that is arranged on the insulating barrier 2053.
In addition, as shown in Figure 6 and Figure 7, the liquid crystal indicator 300 of another embodiment of the present utility model comprises a LCDs 301 and described module backlight 200.Wherein, described LCDs 301 comprises an IC302 and the FPC303 that is connected with described IC302.Described backlight module 200 is fixed together with described LCDs 301 by " returning " shape double faced adhesive tape 203 and PET single face glue 204.
Use described backlight module 200 to be assembled into after the liquid crystal display 300, described IC insulating tape 205 can be to LCDs 301 turnovers, make the glue face of IC insulating tape 205 towards LCDs 301, and paste to pay on LCDs 301 connecting portion with FPC303, to destroy the pulling effect of the LCDs 301 of FPC303, increase the cohesive force of described LCDs 301 and described module 200 backlight, thereby avoided the generation of warping phenomenon.
Continuation in order to strengthen the cohesive force to described LCDs 301 and described module 200 backlight of described IC insulating tape 205, can be set to " recessed " shape with reference to figure 6 with described IC insulating tape 205.Described FPC303 can pass and fold in the back side of described backlight module 200 from the hollow space of the IC insulating tape 205 of " recessed " shape, the entity part of the IC insulating tape 205 of " recessed " shape then can be towards LCDs 301 turnover, and pastes the connecting portion of paying on LCDs 301 with FPC303.Described IC insulating tape 205 is fixed together LCDs 301 in the sandwich mode with FPC303, thereby makes LCDs 301 and the cohesive force of described module 200 backlight further strengthen.
In sum, in the backlight module that the utility model adopts, described PET single face glue is to extending to form an IC insulating tape away from described backboard direction, and the glue face of described IC insulating tape is away from described " returning " shape double faced adhesive tape.PET single face glue and IC insulating tape are integrated, that is to say, the IC insulating tape is under the jurisdiction of the part of backlight module.In assembling process, just there is not independently this material of IC insulating tape at backlight module and LCDs, reduced the material quantity in the assembling process.
In addition, the glue face of described IC insulating tape is away from described " returning " shape double faced adhesive tape, after LCDs and backlight module assembling, described IC insulating tape can turn down to LCDs, make the glue face of IC insulating tape towards LCDs, and paste to pay on LCDs the connecting portion with FPC, to have destroyed the pulling effect of the LCDs of FPC, increase the cohesive force of described LCDs and described module backlight, thereby avoided the generation of warping phenomenon.
Therefore, adopt backlight module of the present utility model, when having avoided warpage to take place, also do not increase the assembling material, reduce processing step, reduced the management of logistics and production scene simultaneously, thus the purpose that realization reduces production costs.
Obviously, those skilled in the art can carry out various changes and modification to utility model and not break away from spirit and scope of the present utility model.Like this, if of the present utility model these revise and modification belongs within the scope of the utility model claim and equivalent technologies thereof, then the utility model also is intended to comprise these change and modification.
Claims (8)
1. backlight module, comprise backboard, glue frame, be arranged at " returning " shape double faced adhesive tape and the PET single face glue that is arranged on described " returning " shape double faced adhesive tape on the described glue frame, it is characterized in that, described PET single face glue is to extending to form an IC insulating tape away from described backboard direction, and the glue face of described IC insulating tape is away from described " returning " shape double faced adhesive tape.
2. backlight module as claimed in claim 1 is characterized in that, described IC insulating tape comprises a pet layer and the insulation double faced adhesive tape that is arranged on the described pet layer.
3. backlight module as claimed in claim 1 is characterized in that, described IC insulating tape comprises an insulating barrier and the insulation double faced adhesive tape that is arranged on the described insulating barrier.
4. backlight module as claimed in claim 1 is characterized in that, described IC insulating tape is " recessed " shape.
5. as any described backlight module of claim 1 to 4, it is characterized in that, also comprise the diaphragm that is arranged on described PET single face glue, described IC insulating tape and described " returning " shape double faced adhesive tape.
6. liquid crystal indicator comprises a LCDs and just like any described backlight module in the claim 1 to 4.
7. liquid crystal indicator as claimed in claim 6 is characterized in that, described LCDs comprises an IC and the FPC that is connected with described IC.
8. liquid crystal indicator as claimed in claim 7 is characterized in that, described IC insulating tape turnover is attached at the connecting portion of described IC and described FPC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220731113 CN203036402U (en) | 2012-12-26 | 2012-12-26 | Backlight module and liquid crystal display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220731113 CN203036402U (en) | 2012-12-26 | 2012-12-26 | Backlight module and liquid crystal display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203036402U true CN203036402U (en) | 2013-07-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220731113 Expired - Lifetime CN203036402U (en) | 2012-12-26 | 2012-12-26 | Backlight module and liquid crystal display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203036402U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103439819A (en) * | 2013-08-09 | 2013-12-11 | 深圳市艾卓尔泰科技开发有限公司 | LCD (liquid crystal display) liquid crystal display module |
| CN104456302A (en) * | 2014-11-17 | 2015-03-25 | 深圳市华星光电技术有限公司 | Backlight module and display |
| CN104482423A (en) * | 2014-11-17 | 2015-04-01 | 深圳市华星光电技术有限公司 | Backlight module and liquid crystal display device |
| CN104932042A (en) * | 2015-06-16 | 2015-09-23 | 友达光电(厦门)有限公司 | Backlight module and protective film of optical diaphragm |
| CN110398859A (en) * | 2019-07-23 | 2019-11-01 | 业成科技（成都）有限公司 | The framework and its method of fast disassembly type back light unit |
-
2012
- 2012-12-26 CN CN 201220731113 patent/CN203036402U/en not_active Expired - Lifetime
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103439819A (en) * | 2013-08-09 | 2013-12-11 | 深圳市艾卓尔泰科技开发有限公司 | LCD (liquid crystal display) liquid crystal display module |
| CN104456302A (en) * | 2014-11-17 | 2015-03-25 | 深圳市华星光电技术有限公司 | Backlight module and display |
| CN104482423A (en) * | 2014-11-17 | 2015-04-01 | 深圳市华星光电技术有限公司 | Backlight module and liquid crystal display device |
| WO2016078127A1 (en) * | 2014-11-17 | 2016-05-26 | 深圳市华星光电技术有限公司 | Backlight module and display |
| CN104456302B (en) * | 2014-11-17 | 2017-03-08 | 深圳市华星光电技术有限公司 | Backlight module and display |
| GB2546678A (en) * | 2014-11-17 | 2017-07-26 | Shenzhen China Star Optoelect | Backlight module and display |
| GB2546678B (en) * | 2014-11-17 | 2020-11-18 | Shenzhen China Star Optoelect | Backlight module and display device |
| CN104932042A (en) * | 2015-06-16 | 2015-09-23 | 友达光电(厦门)有限公司 | Backlight module and protective film of optical diaphragm |
| CN104932042B (en) * | 2015-06-16 | 2017-01-25 | 友达光电(厦门)有限公司 | Backlight module and protective film of optical diaphragm |
| CN110398859A (en) * | 2019-07-23 | 2019-11-01 | 业成科技（成都）有限公司 | The framework and its method of fast disassembly type back light unit |
| CN110398859B (en) * | 2019-07-23 | 2022-04-15 | 业成科技（成都）有限公司 | Structure of fast-detachable backlight unit and method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130703 |
|
| CX01 | Expiry of patent term |