CN202794791U - Press-fit EPD (Electrophoresis Display) display screen with optical-level waterproof membrane - Google Patents
Press-fit EPD (Electrophoresis Display) display screen with optical-level waterproof membrane Download PDFInfo
- Publication number
- CN202794791U CN202794791U CN201220425408.XU CN201220425408U CN202794791U CN 202794791 U CN202794791 U CN 202794791U CN 201220425408 U CN201220425408 U CN 201220425408U CN 202794791 U CN202794791 U CN 202794791U
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- China
- Prior art keywords
- waterproof membrane
- display screen
- membrane
- film
- epd
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- Expired - Lifetime
Links
- 239000012528 membrane Substances 0.000 title claims abstract description 32
- 230000003287 optical effect Effects 0.000 title claims abstract description 26
- 238000001962 electrophoresis Methods 0.000 title abstract 2
- 239000010410 layer Substances 0.000 claims abstract description 19
- 239000011521 glass Substances 0.000 claims abstract description 14
- 239000004831 Hot glue Substances 0.000 claims abstract description 13
- 239000000758 substrate Substances 0.000 claims abstract description 12
- 238000007731 hot pressing Methods 0.000 claims abstract description 6
- 238000010030 laminating Methods 0.000 claims abstract description 4
- 239000002775 capsule Substances 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 230000004888 barrier function Effects 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 abstract description 2
- 239000004793 Polystyrene Substances 0.000 abstract 2
- 229920002223 polystyrene Polymers 0.000 abstract 2
- 239000003822 epoxy resin Substances 0.000 abstract 1
- 229920000647 polyepoxide Polymers 0.000 abstract 1
- 239000002245 particle Substances 0.000 description 9
- 230000000694 effects Effects 0.000 description 5
- 230000005684 electric field Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 239000003086 colorant Substances 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 239000000741 silica gel Substances 0.000 description 2
- 229910002027 silica gel Inorganic materials 0.000 description 2
- 235000005073 Rosa x alba Nutrition 0.000 description 1
- 241000109463 Rosa x alba Species 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 230000003446 memory effect Effects 0.000 description 1
- 239000003094 microcapsule Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
Images
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- Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
Abstract
The utility model provides a press-fit EPD (Electrophoresis Display) display screen with an optical-level waterproof membrane. The press-fit EPD display screen comprises an optical-level waterproof membrane, an EP (EpoxyResin) membrane and a glass substrate, wherein the glass substrate is bonded with the EP membrane by pasting a hot melt adhesive layer through hot-pressing; the optical-level waterproof membrane is in press fit with the EP membrane by a laminating machine roller; and the EP membrane is connected with an FPC (Flexible Printed Circuit) circuit board. The press-fit EPD display screen uses the optical-level waterproof membrane to replace a PS (Poly Styrene) membrane, and is directly pressed on the EP membrane, so that the materials are saved and production cost is greatly saved. Meanwhile, the structure of the EPD is more compact and reasonable.
Description
Technical field
The utility model relates to field of electronic display, particularly a kind of optical grade waterproof membrane laminated type EPD display screen.
Background technology
The EPD display screen is a kind of display screen that utilizes electrophoretic display technology (EPD) and make.Electrophoretic display technology system will deceive, the charged particle of white dichromatism is packaged in the microcapsule structure, controlled the lifting moving of different electric charge black and white particles by extra electric field, to present the display effect of black and white monochrome, under the effect of electric field, two kinds of different particles of black and white are not stopped transport moving, and when the particle of white rose to upper surface, all ambient lightings were mapped to upper surface and are reflected fully, so just formed white state, namely the state of paper; Behind the exchange electrode, the particle of two kinds of colors can switch, so white particle just can to below gone, above the particle of black was arrived, light was all absorbed by the particle of black, the result just causes black, has also just formed white and black displays.In addition, at upper surface the state of mixing can be arranged also, two kinds of proportional mixing of different particles can form like this black and white and the different colours of gray-level is arranged.Because the EPD technology can present the white and black displays effect of high reflectance, high contrast, and memory effect is arranged simultaneously, after the extra electric field cancellation, the current demonstration that presents of instant playback is such as the content as shown in same the printed paper.Owing to have a bistability, after the power electrical field cancellation, still on EPD, image kept some months or several years.
Have the structure of EPD display screen now as shown in Figure 1, it is comprised of PS film 1, OCA glue-line 2, EP film 3, frame glue 4, glass substrate 5, FPC wiring board 6 and silica gel 7.Glass substrate 5 adopts alkali-free glass, pastes the hot melt adhesive layer (not shown) by hot pressing, with 3 combinations of EP film.EP film 3 is comprised of ITO electrode film, electric ink capsule, hot melt adhesive layer.PS film 1 passes through OCA glue-line 2 seamless adhesion above the ITO of EP film 3 electrode film.PS film 1, EP film 3, glass substrate 5 carry out encapsulation process by frame glue 4.Pass through again silica gel 7 bonding FPC wiring boards 6 on the glass substrate 5.
This structure also has 2 hot pressing of OCA glue-line to paste by PS film 1, has both wasted manpower and materials, also makes the structure complicated, the PROCESS FOR TREATMENT imperfection, and product surface is rough simultaneously.
The utility model content
For the defects of existing EPD display screen, the applicant provides a kind of optical grade waterproof membrane laminated type EPD display screen through Improvement, can effectively improve making technology efficient, and make the more compact structure of product reasonable.
The technical solution of the utility model is as follows:
A kind of optical grade waterproof membrane laminated type EPD display screen comprises the optical grade waterproof membrane, EP film and the glass substrate that stack gradually; Described glass substrate is bonding by hot pressing stickup hot melt adhesive layer and EP film; Described optical grade waterproof membrane closes by laminating machine cylinder and EP mould.
Its further technical scheme is: described EP film is connected with the FPC wiring board.
Its further technical scheme is: described optical grade waterproof membrane is comprised of pet layer, OCA layer, water barrier, hot melt adhesive layer.
Its further technical scheme is: described EP film is comprised of ITO electrode film, electric ink capsule, hot melt adhesive layer.
Useful technique effect of the present utility model is:
The utility model uses the optical grade waterproof membrane to replace original PS film by improving, and directly starting material have been saved in pressing on the EP film, greatly save production cost, and make simultaneously the more compact structure of EPD display screen reasonable.
Description of drawings
Fig. 1 is the sectional structure chart of existing EPD display screen.
Fig. 2 is sectional structure chart of the present utility model.
Fig. 3 is the sectional structure chart of optical grade waterproof membrane.
Embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is described further.
As shown in Figure 2, the EPD display screen that formed by the optical grade waterproof membrane 8 that stacks gradually, EP film 3 and glass substrate 5 of the utility model.EP film 3 is connected with FPC wiring board 6.Glass substrate 5 adopts alkali-free glass, pastes hot melt adhesive layer by hot pressing, and is bonding with EP film 3.EP film 3 is comprised of ITO electrode film, electric ink capsule, hot melt adhesive layer.
As shown in Figure 3, optical grade waterproof membrane 8 mainly is comprised of pet layer, OCA layer, water barrier, hot melt adhesive layer.Optical grade waterproof membrane 8 because the thermal insulation of plastics is fine, heats its surperficial hot melt adhesive layer by lamination, presses together by laminating machine cylinder and EP film 3.
In the present embodiment, the model that optical grade waterproof membrane 8 adopts is FLEXguard 03081002.Optical grade waterproof membrane 8 can ultraviolet ray filterings, and extraordinary moisture resistance and transparency are arranged, thereby play the effect of protection electronical display film and less water-sensitive equipment.
Above-described only is preferred implementation of the present utility model, and the utility model is not limited to above embodiment.Be appreciated that other improvement and variation that those skilled in the art directly derive or associate under the prerequisite that does not break away from basic conception of the present utility model, all should think to be included within the protection domain of the present utility model.
Claims (4)
1. an optical grade waterproof membrane laminated type EPD display screen is characterized in that: comprise the optical grade waterproof membrane (8), EP film (3) and the glass substrate (5) that stack gradually; Described glass substrate (5) is bonding by hot pressing stickup hot melt adhesive layer and EP film (3); Described optical grade waterproof membrane (8) is by laminating machine cylinder and EP film (3) pressing.
2. described optical grade waterproof membrane laminated type EPD display screen according to claim 1, it is characterized in that: described EP film (3) is connected with FPC wiring board (6).
3. described optical grade waterproof membrane laminated type EPD display screen according to claim 1 and 2, it is characterized in that: described optical grade waterproof membrane (8) is comprised of pet layer, OCA layer, water barrier, hot melt adhesive layer.
4. described optical grade waterproof membrane laminated type EPD display screen according to claim 1 and 2, it is characterized in that: described EP film (3) is comprised of ITO electrode film, electric ink capsule, hot melt adhesive layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220425408.XU CN202794791U (en) | 2012-08-24 | 2012-08-24 | Press-fit EPD (Electrophoresis Display) display screen with optical-level waterproof membrane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220425408.XU CN202794791U (en) | 2012-08-24 | 2012-08-24 | Press-fit EPD (Electrophoresis Display) display screen with optical-level waterproof membrane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202794791U true CN202794791U (en) | 2013-03-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220425408.XU Expired - Lifetime CN202794791U (en) | 2012-08-24 | 2012-08-24 | Press-fit EPD (Electrophoresis Display) display screen with optical-level waterproof membrane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202794791U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018129900A1 (en) * | 2017-01-13 | 2018-07-19 | 京东方科技集团股份有限公司 | Flexible display device and preparation method therefor |
| CN111161648A (en) * | 2020-02-27 | 2020-05-15 | 亚世光电股份有限公司 | Full-page hot-pressing laminating and edge sealing process method for electronic ink screen |
| TWI731655B (en) * | 2020-04-21 | 2021-06-21 | 元太科技工業股份有限公司 | Electronic paper package structure |
-
2012
- 2012-08-24 CN CN201220425408.XU patent/CN202794791U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018129900A1 (en) * | 2017-01-13 | 2018-07-19 | 京东方科技集团股份有限公司 | Flexible display device and preparation method therefor |
| US10651405B2 (en) | 2017-01-13 | 2020-05-12 | Boe Technology Group Co., Ltd. | Flexible display device and manufacturing method thereof |
| CN111161648A (en) * | 2020-02-27 | 2020-05-15 | 亚世光电股份有限公司 | Full-page hot-pressing laminating and edge sealing process method for electronic ink screen |
| TWI731655B (en) * | 2020-04-21 | 2021-06-21 | 元太科技工業股份有限公司 | Electronic paper package structure |
| US11822204B2 (en) | 2020-04-21 | 2023-11-21 | E Ink Holdings Inc. | Electronic paper package structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 214028 J1 factory building, 3 block, exit processing zone, new Wu, Jiangsu, Wuxi Patentee after: WUXI VISION PEAK TECHNOLOGY Co.,Ltd. Address before: 214028, J1, block 3, export processing zone, Wuxi New District, Jiangsu Patentee before: WUXI VISION PEAK TECHNOLOGY Co.,Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20130313 |
|
| CX01 | Expiry of patent term |