CN103559841A - Flexible electronic paper display device and manufacturing method thereof - Google Patents
Flexible electronic paper display device and manufacturing method thereof Download PDFInfo
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Abstract
The invention provides a flexible electronic paper display device and a manufacturing method thereof. The flexible electronic paper display device comprises a transparent protective film layer, an electronic paper layer, a substrate, an aluminum foil layer and a PCBA (printed circuit board assembly), wherein the transparent protective film layer, the electronic paper layer, the substrate and the aluminum foil layer are arranged sequentially from top to bottom; the substrate is an FPC (flexible printed circuit) substrate, and pixel electrodes are plated on the upper surface of the FPC substrate and in one-to-one correspondence with electrodes of the electronic paper layer; and a conductive silver paste layer is arranged between the pixel electrodes and the electrodes of the electronic paper layer, and used for connecting the electronic paper electrodes so as to enable the pixel electrodes to be connected with the electronic paper electrodes. According to the flexible electronic paper display device and the manufacturing method thereof, an electronic paper thin film is attached to an ITO (indium tin oxide)/FPC substrate and a silver paste medium is adopted to achieve free transmission of electrical signals between the thin film and the substrate; and the flexible ITO /FPC substrate is then connected with the PCBA. The processing technique of the flexible display device is simple, the preparation is convenient, the yield is very high, and the product can be widely applied to various occasions such as electronic watches, meeting record boards, power supply displays and the like.
Description
Technical field
The present invention relates to a kind of display technology field, especially relate to a kind of flexible electronic paper display device and manufacture method thereof.
Background technology
In recent years, flexible display technologies development is very rapid, and various advanced manufacture crafts and technology are constantly progressive, make flexible display not only screen size constantly increase, and display quality also improves constantly.Flexible display is called again can rollable display, be the visual panel made from flexible material and form can any diastrophic display device, comprise Electronic Paper, flexible liquid crystal display and flexible organic electro-luminescence display device.Compare with common rigid display, flexible display has plurality of advantages: lightweight, volume is little, slimming, easy to carry; High-low temperature resistant, shock-resistant, shock resistance is stronger, and adaptable working environment is wider; Can be curling, profile has more the aesthetic feeling of Art Design; The coil type production technology that adopts typography, cost is cheaper; Low in energy consumption, more energy-conservation; Organic material degradable, more environmental protection.Yet now on market, Electronic Paper display device is more that the rigid substrates such as Electronic Paper and glass and PCB substrate are connected, for being connected with flexible base, board because production difficulty is large, cost is high and yield is lower thereby fail to be widely used always.The flexibility that how to realize Electronic Paper completely shows, reduces production cost, and the reliability that improves product becomes a lot of manufacturers problem demanding prompt solution.
Summary of the invention
The object of the invention is to overcome the deficiency that prior art exists, provide a kind of flexible electronic paper display device and manufacture method thereof, in order to solve the problems of the technologies described above.
For achieving the above object, the technical solution adopted in the present invention is: a kind of flexible electronic paper display device, comprise transparency protected rete, electronics ply of paper, substrate, aluminium foil layer, PCBA, wherein transparency protected rete, electronics ply of paper, substrate, aluminium foil layer set gradually from top to bottom; Described substrate is FPC substrate, and wherein FPC upper surface of base plate is coated with pixel electrode, and this pixel electrode mates one by one with the electrode of electronics ply of paper; Between the electrode of described pixel electrode and electronics ply of paper, be provided with conductive silver slurry layer, this conductive silver slurry layer, for conducting electronics paper electrode, makes pixel electrode be connected with Electronic Paper electrode; Described aluminium foil layer is attached to FPC substrate back; Transparent protective film laminating is attached to electronics ply of paper upper surface; PCBA is connected with FPC substrate, and driving signal controlling Electronic Paper display effect is provided.
As preferably, described substrate is selected ito substrate.
The present invention also provides a kind of manufacture method of flexible electronic paper display device, comprises the following steps:
1), first select the good aluminium foil of thermoplasticity, by laminating machine heated lamination mode, FPC substrate is connected with aluminium foil;
2), before the hot pressing of above-mentioned first step laminating machine, need open laminating machine and set machine parameter, first the temperature of laminating machine two roller bearings is heated to 110～120 ℃, speed is 5～10mm/s, air pressure is set as 0.1～0.3MPa;
3), aluminium foil is aimed at FPC substrate back relevant position after mode by heated lamination make it to be close to firmly;
4), by some slurry equipment, good silver slurry will put on Electronic Paper diaphragm;
5) Electronic Paper diaphragm and the accurate contraposition of FPC substrate of, then by the mode of automatic attaching, the good silver of point being starched attach;
6), then adopt laminating machine heated lamination mode that Electronic Paper diaphragm and FPC substrate are firmly close to;
7), adopt heated lamination mode again transparent protective film to be attached on electronic paper display panel;
8), finally FPC substrate gold finger one end is connected with PCBA by converting interface.
The process that the invention provides a kind of Electronic Paper flexible display apparatus and manufacture this display device, starches media implementation freely transmitting of electric signal between the two by E-paper thin film being attached on flexible ITO/FPC substrate and by a kind of silver; Flexible ITO/FPC substrate is connected with PCBA again, by PCBA drives hearth electrode, to realize Electronic Paper, is shown.This kind of flexible display apparatus processing technology is simple, easy to prepare, has very high yield rate, and product can be widely used in various uses, as accutron, and minutes board, the various application scenarios such as power supply display.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is method for making FB(flow block) of the present invention.
Embodiment
Below by embodiment, and by reference to the accompanying drawings, technical scheme of the present invention is further described in detail.
Fig. 1 is structural representation of the present invention.As shown in Figure 1; a kind of flexible electronic paper display device; mainly by transparency protected rete 1, electronics ply of paper 2, substrate 4, aluminium foil layer 5, PCBA plate 6 etc., formed; described transparency protected rete 1, electronics ply of paper 2, substrate 4, aluminium foil layer 5 set gradually from top to bottom, and wherein substrate 4 is FPC or ito substrate.
Described FPC substrate 4 upper surfaces are coated with pixel electrode, and wherein pixel electrode mates one by one with the electrode of electronics ply of paper 2; Between the electrode of described pixel electrode and electronics ply of paper 2, be provided with conductive silver slurry layer 3, this conductive silver slurry layer 3 is for conducting electronics paper electrode, thereby pixel electrode is connected with Electronic Paper electrode and controls figure and the effect showing.Aluminium foil layer 5 is attached to FPC substrate 4 back sides, plays waterproof and protective effect.Transparency protected rete 1 is attached to electronics ply of paper 2 upper surfaces, for the protection of with prevent that electronics ply of paper 2 from making moist; PCBA plate 6 is connected with FPC substrate 4, and driving signal controlling Electronic Paper display effect is provided.
The present invention also provides a kind of manufacture method of flexible electronic paper display device, comprises the following steps:
1), first select the good aluminium foil of thermoplasticity, by laminating machine heated lamination mode, FPC substrate is connected with aluminium foil;
2), before the hot pressing of above-mentioned first step laminating machine, need open laminating machine and set machine parameter, first the temperature of laminating machine two roller bearings is heated to 110～120 ℃, speed is 5～10mm/s, air pressure is set as 0.1～0.3MPa;
3), aluminium foil is aimed at FPC substrate back relevant position after mode by heated lamination make it to be close to firmly;
4), by some slurry equipment, good silver slurry will put on Electronic Paper diaphragm;
5) Electronic Paper diaphragm and the accurate contraposition of FPC substrate of, then by the mode of automatic attaching, the good silver of point being starched attach;
6), then adopt laminating machine heated lamination mode that Electronic Paper diaphragm and FPC substrate are firmly close to;
7), adopt heated lamination mode again transparent protective film to be attached on electronic paper display panel;
8), finally FPC substrate gold finger one end is connected with PCBA by converting interface, formed a complete flexible display apparatus.
This kind of flexible display apparatus processing technology is simple, easy to prepare, has very high yield rate, and product can be widely used in various uses, as accutron, and minutes board, the various application scenarios such as power supply display.
These are only preferred embodiment of the present invention, not in order to limit the present invention, all any modifications of doing within the spirit and principles in the present invention, be equal to and replace or improvement etc., within all should being included in protection scope of the present invention.
Claims (3)
1. a flexible electronic paper display device, comprises transparency protected rete, electronics ply of paper, substrate, aluminium foil layer, PCBA, and wherein transparency protected rete, electronics ply of paper, substrate, aluminium foil layer set gradually from top to bottom; It is characterized in that, described substrate is FPC substrate, and wherein FPC upper surface of base plate is coated with pixel electrode, and this pixel electrode mates one by one with the electrode of electronics ply of paper; Between the electrode of described pixel electrode and electronics ply of paper, be provided with conductive silver slurry layer, this conductive silver slurry layer, for conducting electronics paper electrode, makes pixel electrode be connected with Electronic Paper electrode; Described aluminium foil layer is attached to FPC substrate back; Transparent protective film laminating is attached to electronics ply of paper upper surface; PCBA is connected with FPC substrate, and driving signal controlling Electronic Paper display effect is provided.
2. a kind of flexible electronic paper display device according to claim 1, is characterized in that, described substrate is selected ito substrate.
3. the manufacture method of flexible electronic paper display device according to claim 1, comprises the following steps:
1), first select the good aluminium foil of thermoplasticity, by laminating machine heated lamination mode, FPC substrate is connected with aluminium foil;
2), before the hot pressing of above-mentioned first step laminating machine, need open laminating machine and set machine parameter, first the temperature of laminating machine two roller bearings is heated to 110～120 ℃, speed is 5～10mm/s, air pressure is set as 0.1～0.3MPa;
3), aluminium foil is aimed at FPC substrate back relevant position after mode by heated lamination make it to be close to firmly;
4), by some slurry equipment, good silver slurry will put on Electronic Paper diaphragm;
5) Electronic Paper diaphragm and the accurate contraposition of FPC substrate of, then by the mode of automatic attaching, the good silver of point being starched attach;
6), then adopt laminating machine heated lamination mode that Electronic Paper diaphragm and FPC substrate are firmly close to;
7), adopt heated lamination mode again transparent protective film to be attached on electronic paper display panel;
8), finally FPC substrate gold finger one end is connected with PCBA by converting interface.
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| CN201310587799.4A CN103559841B (en) | 2013-11-21 | 2013-11-21 | A kind of manufacture method of flexible electronic paper display device |
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| CN201310587799.4A CN103559841B (en) | 2013-11-21 | 2013-11-21 | A kind of manufacture method of flexible electronic paper display device |
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| CN103559841A true CN103559841A (en) | 2014-02-05 |
| CN103559841B CN103559841B (en) | 2016-06-29 |
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| CN105223754A (en) * | 2015-11-13 | 2016-01-06 | 南京华日触控显示科技有限公司 | Passive type electric ink display screen |
| CN105448865A (en) * | 2015-11-16 | 2016-03-30 | 固安翌光科技有限公司 | Flexible screen body, method for preparing Mobius structure or similar Mobius structure, and light-emitting display device |
| CN107656408A (en) * | 2017-09-26 | 2018-02-02 | 无锡威峰科技股份有限公司 | Electronic-paper display screen and its manufacture method |
| WO2019080884A1 (en) * | 2017-10-27 | 2019-05-02 | 京东方科技集团股份有限公司 | Electronic paper display screen, display device, and binding method |
| CN110427787A (en) * | 2019-07-05 | 2019-11-08 | 林琳 | Hard disk and its data protecting device |
| CN116953992A (en) * | 2023-06-30 | 2023-10-27 | 蚌埠墨方光电科技有限公司 | Double-sided broken code screen of electronic paper |
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| CN103559841B (en) | 2016-06-29 |
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Address after: 518000, No. six, No. 3, Henggang street, Longgang District, Guangdong, Shenzhen Patentee after: Shenzhen Jinghua display Electronics Co., Ltd Address before: 518000, 511, Bagualing Industrial Zone, Shenzhen, Guangdong, Futian District Patentee before: SHENZHEN JINGHUA DISPLAYS Co.,Ltd. |
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