CN202975387U - Protection film of light guide plate - Google Patents
Protection film of light guide plate Download PDFInfo
- Publication number
- CN202975387U CN202975387U CN 201220679253 CN201220679253U CN202975387U CN 202975387 U CN202975387 U CN 202975387U CN 201220679253 CN201220679253 CN 201220679253 CN 201220679253 U CN201220679253 U CN 201220679253U CN 202975387 U CN202975387 U CN 202975387U
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- CN
- China
- Prior art keywords
- light guide
- guide plate
- film
- diaphragm
- fiber array
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- 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 - Fee Related
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- Diaphragms For Electromechanical Transducers (AREA)
Abstract
The utility model, which relates to the field of the liquid crystal panel manufacturing technology, provides a protection film of a light guide plate, wherein the protection film is pasted on the light guide plate to protect the light guide plate. The protection film comprises a first thin film, a second thin film, and a fiber array that is stitched between the first thin film and the second thin film, wherein the sizes of the thin films are matched with the size of the light guide plate. According to the utility model, with utilization of the protection film, the yield of the light guide plate can be improved.
Description
Technical field
The utility model relates to liquid crystal panel manufacturing technology field, refers to especially a kind of light guide plate diaphragm.
Background technology
In prior art, light guide plate adopts the PMMA(polymethylmethacrylate more) make, because the hardness of light guide plate is not high enough, for preventing scratching, the light guide plate surface needs to attach by the PE(tygon) the larger diaphragm of thickness made.Current, in the light guide plate printing process, great majority adopt the modes of infrared heatings dry, namely adopt the mode such as infrared to heat and make printing-ink dry, and are cooling by aeration-cooling mode more afterwards.
Development along with display technique; light guide plate material used is more and more thinner, in dry cooling procedure, because the coefficient of thermal expansion of PMMA is high than PE; therefore when carrying out infrared heating; shrinkage phenomenon can appear in the PE diaphragm, when cooling, because the thickness of PE diaphragm is larger; ductility is less; cause the size of PE diaphragm also can not restore after catching a cold, drive light guide plate and warping phenomenon occurs, have a strong impact on the yields of light guide plate.
The utility model content
The technical problems to be solved in the utility model is to provide a kind of light guide plate diaphragm, can improve the yields of light guide plate.
For solving the problems of the technologies described above, embodiment of the present utility model provides technical scheme as follows:
On the one hand, provide a kind of light guide plate diaphragm, comprising:
The first film, the second film that are complementary with the size of described light guide plate;
Be pressed together on the fiber array between described the first film and the second film.
Further, described the first film and described the second film are the PE film.
Further, the thickness of described the first film and described the second film is all less than 0.05mm
Further, the thickness of described PE film is 0.02mm.
Further, described fiber array by each other parallel and each other by many transverse fibers of preset space length and each other parallel and mutual many longitudinal fibers by preset space length form.
Further, the preset space length between described many transverse fibers is 0.3-0.5mm.
Further, the preset space length between described many longitudinal fibers is 0.3-0.5mm.
Further, described fiber array is comprised of the plurality of fibers that is the Z-shaped arrangement.
Further, described fiber is made by polyester material.
Embodiment of the present utility model has following beneficial effect:
In such scheme; fiber array between the double-layer films that light guide plate diaphragm of the present utility model uses can during slide and can not produce traction stresses; fiber array also can provide more reliable physical strength in the operation of tearing the cuticula of going bail for, diaphragm can not damaged.In addition, in preferred embodiment, the thickness of two films thickness separately film more of the prior art is little, therefore ductility is better, and when carrying out infrared heating, the change in size of film is less, and after cooling, the size of film can be restored, and can not make the light guide plate warpage, thereby improves the yields of light guide plate.
Description of drawings
Fig. 1 is the plan view of the light guide plate diaphragm of the utility model embodiment;
Fig. 2 is the cross sectional view of the light guide plate diaphragm of the utility model embodiment;
Fig. 3 is another plan view of the light guide plate diaphragm of the utility model embodiment.
Reference numeral
1,2 films
3 fiber arrays
Embodiment
For technical matters, technical scheme and advantage that embodiment of the present utility model will be solved is clearer, be described in detail below in conjunction with the accompanying drawings and the specific embodiments.
Embodiment of the present utility model in prior art when carrying out infrared heating; shrinking can appear in the PE diaphragm; when cooling; because the thickness of PE diaphragm is larger, ductility is less, causes the size of PE diaphragm also can not restore after catching a cold; drive light guide plate and warping phenomenon occurs; have a strong impact on the problem of the yields of light guide plate, a kind of light guide plate diaphragm is provided, can improve the yields of light guide plate.
In producing at present, diaphragm used is the PE material, it is no problem to use in the light guide plate of (thickness that is light guide plate is not less than 3mm) more than producing 3T, but when being applied in following (being that the thickness of light guide plate is less than 3mm) light guide plate production of 3T, the PE diaphragm is hankered shrinking adding, can not restore after catching a cold, make light guide plate to diaphragm direction warpage; If simultaneously storage environment is improper, cause light guide plate expansions of making moist, also can produce problems, the yields of reduction light guide plate.If the PE diaphragm is done thin, can increase its ductility, but use light guide plate in the later stage, the PE diaphragm need to be torn when taking off from light guide plate, the PE diaphragm of doing after thin can not provide reliable physical strength, easily causes the damage of diaphragm.
In order to address the above problem, the utility model provides a kind of light guide plate diaphragm, and as depicted in figs. 1 and 2, this light guide plate diaphragm comprises:
The first film 1, the second film 2 that are complementary with the size of light guide plate;
Be pressed together on the fiber array 3 between the first film 1 and the second film 2.
As depicted in figs. 1 and 2, fiber array 3 can by each other parallel and each other by many transverse fibers of preset space length and each other parallel and mutual many longitudinal fibers by preset space length form.
Further, as shown in Figure 3, fiber array 3 can also be comprised of the plurality of fibers that is the Z-shaped arrangement.
Fiber array between the double-layer films that light guide plate diaphragm of the present utility model uses can during slide and can not produce traction stresses, fiber array also can provide more reliable physical strength in the operation of tearing the cuticula of going bail for, diaphragm can not damaged.
Further, the thickness of the first film 1 and the second film 2 is all less than 0.05mm.Wherein, the first film 1 and the second film 2 all can adopt the PE film, and the thickness of PE film is 0.02-0.05mm, and preferably, the thickness of PE film is 0.02mm, can guarantee that like this PE film has good ductility.
Further; in fiber array 3 as shown in Figure 1; can place 2-3 root fiber by every 1mm; be that preset space length between adjacent fiber is 0.3-0.5mm; can for the light guide plate diaphragm provides enough physical strengths, make the damage that can not cause diaphragm in the operation of tearing the cuticula of going bail for like this.
Further, fiber can be made by polyester material.
The light guide plate diaphragm of the present embodiment uses two-layer thinner PE film, is placed with crisscross fiber array between the PE film, and fiber can be made by polyester material, be heated cooling after because after the PE thinning, ductility is better, can not make the light guide plate warpage; Fiber array between two-layer PE film can during slide and can not produce traction stresses, also can provide more reliable physical strength in the operation of tearing the cuticula of going bail for.
The below is take film as the PE film as example, and the method for making of light guide plate diaphragm illustrated in figures 1 and 2 of the present utility model is introduced, and specifically comprises the following steps:
Step a: a PE film 1 that is complementary with the light guide plate size is provided, and the thickness of this PE film is 0.02-0.05mm, and preferably, the thickness of this PE film is 0.02mm;
Step b: form on PE film 1 by parallel and each other by many transverse fibers of preset space length and the parallel and mutual fiber array 3 that is formed by many longitudinal fibers of preset space length each other each other, particularly, this preset space length is 0.3-0.5mm.Fiber can be made by polyester material;
Step c: the PE film 2 that another and light guide plate size are complementary is fitted with PE film 1, and fiber array 3 adds hot pressing afterwards between two PE films, can form light guide plate diaphragm of the present utility model.
The thickness of two PE films that light guide plate diaphragm of the present utility model uses is less, and ductility is better, and when carrying out infrared heating, the change in size of PE film is less, and after cooling, the size of PE film is restored, and can not make the light guide plate warpage; Fiber array between two-layer PE film can during slide and can not produce traction stresses, fiber array also can provide more reliable physical strength in the operation of tearing the cuticula of going bail for, diaphragm can not damaged.
The above is preferred implementation of the present utility model; should be understood that; for those skilled in the art; under the prerequisite that does not break away from principle described in the utility model; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (9)
1. a light guide plate diaphragm, is characterized in that, comprising:
The first film, the second film that are complementary with the size of described light guide plate;
Be pressed together on the fiber array between described the first film and the second film.
2. light guide plate diaphragm according to claim 1, is characterized in that, described the first film and described the second film are the PE film.
3. light guide plate diaphragm according to claim 2, is characterized in that, the thickness of described the first film and described the second film is all less than 0.05mm.
4. light guide plate diaphragm according to claim 3, is characterized in that, the thickness of described PE film is 0.02mm.
5. light guide plate diaphragm according to claim 1, is characterized in that, described fiber array by each other parallel and each other by many transverse fibers of preset space length and each other parallel and mutual many longitudinal fibers by preset space length form.
6. light guide plate diaphragm according to claim 5, is characterized in that, the preset space length between described many transverse fibers is 0.3-0.5mm.
7. light guide plate diaphragm according to claim 5, is characterized in that, the preset space length between described many longitudinal fibers is 0.3-0.5mm.
8. light guide plate diaphragm according to claim 1, is characterized in that, described fiber array is comprised of the plurality of fibers that is the Z-shaped arrangement.
9. light guide plate diaphragm according to claim 1, is characterized in that, described fiber is made by polyester material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220679253 CN202975387U (en) | 2012-12-11 | 2012-12-11 | Protection film of light guide plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220679253 CN202975387U (en) | 2012-12-11 | 2012-12-11 | Protection film of light guide plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202975387U true CN202975387U (en) | 2013-06-05 |
Family
ID=48516445
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220679253 Expired - Fee Related CN202975387U (en) | 2012-12-11 | 2012-12-11 | Protection film of light guide plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202975387U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109435402A (en) * | 2018-12-11 | 2019-03-08 | 苏州长弓光电科技有限公司 | Light guide plate protective film |
| CN109504304A (en) * | 2018-12-11 | 2019-03-22 | 苏州长弓光电科技有限公司 | High transparency high viscosity diaphragm |
-
2012
- 2012-12-11 CN CN 201220679253 patent/CN202975387U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109435402A (en) * | 2018-12-11 | 2019-03-08 | 苏州长弓光电科技有限公司 | Light guide plate protective film |
| CN109504304A (en) * | 2018-12-11 | 2019-03-22 | 苏州长弓光电科技有限公司 | High transparency high viscosity diaphragm |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130605 Termination date: 20211211 |