CN201066422Y - Electronic paper display - Google Patents
Electronic paper display Download PDFInfo
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- CN201066422Y CN201066422Y CNU2007201209132U CN200720120913U CN201066422Y CN 201066422 Y CN201066422 Y CN 201066422Y CN U2007201209132 U CNU2007201209132 U CN U2007201209132U CN 200720120913 U CN200720120913 U CN 200720120913U CN 201066422 Y CN201066422 Y CN 201066422Y
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- conductive layer
- pixel electrode
- ito conductive
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Abstract
The utility model discloses an electronic paper display, which comprises a first substrate (10), a second substrate (20), display material and a packaging material (25); the display material is sealed by the packaging material (25) and filled between the first substrate (10) and the second substrate (20); conductive layers used to be connected with an external drive circuit are arranged on the neighboring sides of the first substrate (10) and the second substrate (20); the utility model is also added with a third substrate (30) which is positioned on the side of the second substrate (20); conductive layers are arranged on the neighboring sides of the second substrate (20) and the third substrate (30); the display material is sealed by the packaging material (25) and filled between the second substrate (20) and the third substrate (30). The utility model applies the electronic paper display with the structure of three substrates to realize double-faced display, which collectively uses the external drive circuit, so, not only the cost is saved and the volume is reduced, but also the assembly is more convenient.
Description
Technical field
The utility model relates to electric paper display, specifically, relates to a kind of electric paper display that can double-sided display.
Background technology
Along with development of science and technology, various quantity of information are increased sharply, except newspaper, the printing number of magazine miscellaneous, placard, books etc. significantly increases, if according to traditional circulation way, needs to make a large amount of paper, and must cause the deterioration of environment to a large amount of felling of papermaking starting material trees, in order to improve this situation, electric paper display a kind of new information transmitting carrier appearred, i.e..Please refer to shown in Figure 1, structural representation for existing electric paper display, this electric paper display comprises that first substrate 40, second substrate, 50, the first substrates 40, second substrate 50 adopt the PET film (polyethylene terephthalate) of single face coating ITO conductive layer.First substrate, 40 single faces coating ITO conductive layer, etching has first public electrode 41 on this ITO conductive layer, the 41 relative side ITO conductive layer etchings of second substrate 50 and public electrode have pixel electrode 51, and the coating display material is an electron ink microcapsule 70 between public electrode 41 and pixel electrode 51.Electron ink microcapsule 70 is combined closely, is directly contacted with pixel electrode 51 with public electrode 41 by encapsulating material 60.Pixel electrode and public electrode are connected to peripheral drive circuit by the FPC lead-in wire, carry out display driver by peripheral drive circuit.
Because electric paper display has the strong point of traditional paper and electronic console concurrently, at any time can read easily with the place, and can recycle.Being extensive use of of electric paper display will significantly be reduced the consumption of common paper, helps improving environment.In addition, because electric paper display also has advantages such as consumed power is low, flexible, ultra-thin, electric paper display is being applied in the display screen of electronic communication products such as mobile phone, e-book, computer, personal digital assistant.
Along with the raising of people's demand, many display screens need be at double-sided display data and picture.Many e-book on the market for example, mobile phone, broadcasting bulletin system etc. need inside and outside screen or double-sided display.
For double-sided display, prior art solutions be to use two independently electric paper display, two overlap independently drives, manufacturing cost can corresponding increase like this, two display screens take up space greatlyyer when assembling, assembling is trouble.
Summary of the invention
The purpose of this utility model is exactly in order to solve in the prior art cost height, the problem big, the assembling trouble that takes up room when realizing double-sided display, a kind of lighter and thinner, low-cost electric paper display of realizing double-sided display to be provided.
In order to solve the problems of the technologies described above, the utility model proposes a kind of electric paper display, comprise first substrate, second substrate, display material, encapsulating material; Described display material is filled between described first substrate, second substrate by described encapsulating material sealing; Described first substrate, the adjoining side of second substrate are respectively arranged with conductive layer; Described conductive layer is used to draw and connects peripheral drive circuit; Also set up the 3rd substrate, be positioned at described second substrate, one side; Described second substrate, the adjoining side of the 3rd substrate are respectively arranged with conductive layer; Described display material also is filled between described second substrate, the 3rd substrate by described encapsulating material sealing.When needs show, power up to substrate by peripheral circuit, between pixel electrode and public electrode, form electric field, in the face displayed image of needs demonstration.
Preferably, described conductive layer is the ITO conductive layer; Described second substrate comprises ITO conductive layer, PET film, and described ITO conductive layer is coated on the both side surface of described PET film; Described first substrate, the 3rd substrate include ITO conductive layer, PET film, and described ITO conductive layer is coated on PET film one side surface of described first substrate, contiguous second substrate of the 3rd substrate.
Further, the ITO conductive layer of described second substrate comprises first pixel electrode, second pixel electrode, is divided into the both side surface of described second substrate; The ITO conductive layer of described first substrate comprises first public electrode; The ITO conductive layer of described the 3rd substrate comprises second public electrode.Or the ITO conductive layer of described second substrate comprises first public electrode, second public electrode, is divided into the both side surface of described second substrate; The ITO conductive layer of described first substrate comprises first pixel electrode; The ITO conductive layer of described the 3rd substrate comprises second pixel electrode.
Above-mentioned electric paper display, the sealing of described display material is coated between described first pixel electrode and first public electrode, between described second pixel electrode and second public electrode.
Preferably, the ITO conductive layer of described first substrate, the 3rd substrate also is respectively arranged with conductiving point; Described first pixel electrode is electrically connected with conductiving point on first substrate; Described second pixel electrode is electrically connected with conductiving point on described the 3rd substrate.Described first substrate, the 3rd substrate also are respectively arranged with golden finger, are electrically connected with first public electrode of described first substrate, second public electrode of the 3rd substrate respectively, and are electrically connected with conductiving point on described first substrate, the 3rd substrate respectively.
Preferably, above-mentioned electric paper display, also comprise electrically conductive ink, fill between described first substrate and second substrate, second substrate and the 3rd substrate, and connect conductiving point on the conductiving point on described first pixel electrode and first substrate, described second pixel electrode and described the 3rd substrate respectively.
Described display material is an electron ink microcapsule.
First pixel electrode, second pixel electrode, first public electrode, second public electrode etc. all adopt the ITO conductive layer; Because ITO (Indium Tin Oxides, indium tin oxide) has the good electric conductivity and the transparency, can cut off harmful electron irradiation, ultraviolet ray and far infrared.It is sprayed on glass, on plastics and the electronic display after, have and strengthen electric conductivity and the transparency and can cut off harmful electron irradiation and ultraviolet, advantage such as infrared.
The beneficial effects of the utility model are: on the architecture basics of existing electric paper display, realized double-sided display by adopting a electric paper display with three laminar substrate structures, and double-sided display can drive by shared circuit kit, not only saved cost but also reduced volume, and assembled more convenient; Be used for the double-sided display scheme as electronic equipment, the utility model is lighter and thinner, for lightening the providing of electronic equipment more how may.
Description of drawings
Fig. 1 is the electric paper display structural representation of prior art;
Fig. 2 is the structural representation of the utility model embodiment;
Fig. 3 is pixel electrode, the public electrode syndeton synoptic diagram in the utility model embodiment;
Synoptic diagram when Fig. 4 is the electric paper display double-sided display of the utility model embodiment.
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is done explanation in further detail.
Embodiment one:
Please refer to Fig. 2, on the architecture basics of the electric paper display of prior art, this example can double-sided display electric paper display, comprise first substrate 10, the 3rd substrate 30 and second substrate 20 between first substrate 10 and the 3rd substrate 30, first substrate 10, the 3rd substrate 30 adopt the PET film (polyethylene terephthalate) of single face coating ITO conductive layer, and second substrate 20 adopts the PET film of double spread ITO conductive layer.First substrate, 10 single faces coating ITO conductive layer, etching has first public electrode 11 on this ITO conductive layer.The side ITO conductive layer etching that second substrate 20 is relative with first public electrode 11 has first pixel electrode 21, and the coating display material is an electron ink microcapsule 23 between first public electrode 11 and first pixel electrode 21.Electron ink microcapsule 23 is combined closely, is directly contacted with first pixel electrode 21 with first public electrode 11 by encapsulating material 25.The 3rd substrate 30 also is the PET film of single face coating ITO conductive layer, and this ITO conductive layer etching has second public electrode 31.The side ITO conductive layer etching that second substrate 20 in the middle of being positioned at is relative with second public electrode 31 has second pixel electrode 22, coating display material electron ink microcapsule 23 between second public electrode 31 and second pixel electrode 22, electron ink microcapsule 23 is combined closely by encapsulating material 25 and second public electrode 31 and second pixel electrode 22.Encapsulating material 25 adopts the glue that all has good adhesive property with each substrate and electron ink microcapsule.First pixel electrode 21 of second substrate, 20 both sides, second pixel electrode, 22 shapes can be identical, also can freely set according to the demonstration needs.Both sides show same frame if desired, can play identical information such as the two sides of some public arena bulletin boards at the identical pixel electrode of the second substrate both sides etching; Perhaps at the different pixel electrode of the both sides of second substrate etching, such as some e-book or mobile phone, need main screen and secondary screen, picture displayed is inequality.
First public electrode 11, second public electrode 31, first pixel electrode 21, second pixel electrode 22 are connected with extraneous driving circuit by FPC lead-in wire 24.
Please refer to Fig. 3, on the first, the 3rd substrate conductive layer respectively etching have conductiving point 28, the first, the 3rd substrate to be provided with golden finger.First, second pixel electrode that is positioned at second substrate, 20 both sides is conducted by conductive material 26 and conductiving point 28, and this conductive material can adopt electrically conductive ink.Pixel electrode on second substrate can be connected to external drive circuit by FPC lead-in wire 24 again through the golden finger of the conductiving point on the substrate of both sides 28 on the first, the 3rd substrate, and pixel electrode is connected with extraneous driving circuit with public electrode.
Please refer to Fig. 4, shown frame respectively on two display surfaces and be positioned at wherein image ' A ' or ' B ', first, second public electrode and the conductiving point that is conducted with first, second pixel electrode are connected with extraneous driving circuit by FPC lead-in wire 24.
When requiring to show by first substrate 10, between first pixel electrode 21 and first public electrode 11, power up, like this electron ink microcapsule 23 under effect of electric field, display image; When needs show by the 3rd substrate 30, then between second pixel electrode 22 and second public electrode 31, power up and get final product; Equally, if two sides display image all powers up first, second pixel electrode and first, second public electrode together, between pixel electrode and corresponding public electrode, produce electric field, the electron ink microcapsule display material can be realized double-sided display under effect of electric field.
Embodiment two:
This routine ultimate principle is identical with last example, and difference is, on the ITO conductive layer of first substrate and the 3rd substrate first, second pixel electrode is set respectively in this example, and the ITO conductive layer in the second substrate both sides is provided with first, second public electrode respectively.
Above content be in conjunction with concrete preferred implementation to further describing that the utility model is done, can not assert that enforcement of the present utility model is confined to these explanations.For the those of ordinary skill in electric paper display field, under the prerequisite that does not break away from the utility model design, can also make some simple deduction or replace, all should be considered as belonging to protection domain of the present utility model.For example, the ITO conductive layer of second substrate also can be provided with pixel electrode and public electrode respectively, on first corresponding substrate or the 3rd substrate public electrode or pixel electrode is set.
Claims (9)
1. an electric paper display comprises first substrate (10), second substrate (20), display material, encapsulating material (25); Described display material is filled between described first substrate (10), second substrate (20) by described encapsulating material (25) sealing; Described first substrate (10), the adjoining side of second substrate (20) are respectively arranged with conductive layer; Described conductive layer is used to draw and connects peripheral drive circuit; It is characterized in that: also comprise the 3rd substrate (30), be positioned at described second substrate (20) one sides; Described second substrate (20), the adjoining side of the 3rd substrate (30) are respectively arranged with conductive layer; Described display material also is filled between described second substrate (20), the 3rd substrate (30) by described encapsulating material (25) sealing.
2. electric paper display according to claim 1 is characterized in that: described conductive layer is the ITO conductive layer; Described second substrate (20) comprises ITO conductive layer, PET film, and described ITO conductive layer is coated on the both side surface of described PET film; Described first substrate (10), the 3rd substrate (30) include ITO conductive layer, PET film, and described ITO conductive layer is coated on PET film one side surface of described first substrate (10), contiguous second substrate of the 3rd substrate (30) (20).
3. electric paper display according to claim 2 is characterized in that: the ITO conductive layer of described second substrate (20) comprises first pixel electrode (21), second pixel electrode (22), is divided into the both side surface of described second substrate; The ITO conductive layer of described first substrate (10) comprises first public electrode (11); The ITO conductive layer of described the 3rd substrate (30) comprises second public electrode (31).
4. electric paper display according to claim 2 is characterized in that: the ITO conductive layer of described second substrate (20) comprises first public electrode, second public electrode, is divided into the both side surface of described second substrate; The ITO conductive layer of described first substrate (10) comprises first pixel electrode; The ITO conductive layer of described the 3rd substrate (30) comprises second pixel electrode.
5. according to claim 3 or 4 described electric paper displays, it is characterized in that: the sealing of described display material is coated between described first pixel electrode and first public electrode, between described second pixel electrode and second public electrode.
6. electric paper display according to claim 3 is characterized in that: the ITO conductive layer of described first substrate (10), the 3rd substrate (30) also is respectively arranged with conductiving point; Described first pixel electrode (21) is electrically connected with conductiving point on first substrate (10); Described second pixel electrode (22) is electrically connected with conductiving point on described the 3rd substrate (30).
7. electric paper display according to claim 6, it is characterized in that: described first substrate (10), the 3rd substrate (30) also are respectively arranged with golden finger, be electrically connected with first public electrode of described first substrate (10), second public electrode of the 3rd substrate (30) respectively, and be electrically connected with conductiving point on described first substrate (10), the 3rd substrate (30) respectively.
8. electric paper display according to claim 6, it is characterized in that: also comprise electrically conductive ink, fill between described first substrate (10) and second substrate (20), second substrate (20) and the 3rd substrate (30), and connect conductiving point on conductiving point on described first pixel electrode (21) and first substrate (10), described second pixel electrode (22) and described the 3rd substrate (30) respectively.
9. according to each described electric paper display among claim 1-4, the 6-8, it is characterized in that: described display material is electron ink microcapsule (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201209132U CN201066422Y (en) | 2007-06-18 | 2007-06-18 | Electronic paper display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201209132U CN201066422Y (en) | 2007-06-18 | 2007-06-18 | Electronic paper display |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201066422Y true CN201066422Y (en) | 2008-05-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201209132U Expired - Lifetime CN201066422Y (en) | 2007-06-18 | 2007-06-18 | Electronic paper display |
Country Status (1)
| Country | Link |
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| CN (1) | CN201066422Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011001023A1 (en) * | 2009-06-30 | 2011-01-06 | Nokia Corporation | Display apparatus and associated methods |
| CN101650507B (en) * | 2008-08-12 | 2011-10-12 | 元太科技工业股份有限公司 | Definition and layout of pins of electronic paper display screen |
| CN101615369B (en) * | 2008-06-23 | 2012-08-22 | 四川虹欧显示器件有限公司 | Double-sided display device |
| CN103353701A (en) * | 2013-07-22 | 2013-10-16 | 京东方科技集团股份有限公司 | Display panel, display device, display panel manufacturing method and display method |
| CN104102061A (en) * | 2014-06-17 | 2014-10-15 | 京东方科技集团股份有限公司 | Display panel as well as display method thereof and display device |
| TWI464063B (en) * | 2012-05-25 | 2014-12-11 | Tsae Sheng Internat Co Ltd | Electric paper and cartons |
-
2007
- 2007-06-18 CN CNU2007201209132U patent/CN201066422Y/en not_active Expired - Lifetime
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101615369B (en) * | 2008-06-23 | 2012-08-22 | 四川虹欧显示器件有限公司 | Double-sided display device |
| CN101650507B (en) * | 2008-08-12 | 2011-10-12 | 元太科技工业股份有限公司 | Definition and layout of pins of electronic paper display screen |
| CN102473080A (en) * | 2009-06-30 | 2012-05-23 | 诺基亚公司 | Display apparatus and associated methods |
| CN102473080B (en) * | 2009-06-30 | 2015-09-09 | 诺基亚公司 | The method of display device and association |
| US8832574B2 (en) | 2009-06-30 | 2014-09-09 | Nokia Corporation | Apparatus and associated methods |
| WO2011001023A1 (en) * | 2009-06-30 | 2011-01-06 | Nokia Corporation | Display apparatus and associated methods |
| TWI464063B (en) * | 2012-05-25 | 2014-12-11 | Tsae Sheng Internat Co Ltd | Electric paper and cartons |
| CN103353701B (en) * | 2013-07-22 | 2015-08-19 | 京东方科技集团股份有限公司 | A kind of display panel, display device, display panel method for making and display packing |
| WO2015010363A1 (en) * | 2013-07-22 | 2015-01-29 | 京东方科技集团股份有限公司 | Display panel, display device, display panel manufacturing method and display method |
| CN103353701A (en) * | 2013-07-22 | 2013-10-16 | 京东方科技集团股份有限公司 | Display panel, display device, display panel manufacturing method and display method |
| US9846344B2 (en) * | 2013-07-22 | 2017-12-19 | Boe Technology Group Co., Ltd. | Display panel, display device, display panel manufacturing method and display method |
| CN104102061A (en) * | 2014-06-17 | 2014-10-15 | 京东方科技集团股份有限公司 | Display panel as well as display method thereof and display device |
| US9429811B2 (en) | 2014-06-17 | 2016-08-30 | Boe Technology Group Co., Ltd. | Display panel and display method thereof and display apparatus |
| CN104102061B (en) * | 2014-06-17 | 2017-02-15 | 京东方科技集团股份有限公司 | Display panel as well as display method thereof and display device |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20080528 |