CN202383397U - Double-sided displaying electronic paper and electronic paper displayer - Google Patents
Double-sided displaying electronic paper and electronic paper displayer Download PDFInfo
- Publication number
- CN202383397U CN202383397U CN2011205671659U CN201120567165U CN202383397U CN 202383397 U CN202383397 U CN 202383397U CN 2011205671659 U CN2011205671659 U CN 2011205671659U CN 201120567165 U CN201120567165 U CN 201120567165U CN 202383397 U CN202383397 U CN 202383397U
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- Prior art keywords
- electronic paper
- double
- side group
- group plate
- sided display
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Abstract
The utility model provides a double-sided displaying electronic paper and an electronic paper displayer. A three-layer structure of a thin film transistor (TFT) side substrate, an electrophoresis layer and a color film side substrate which are sequentially arranged from front to back is utilized, a reflection-type displaying mode of the electrophoresis layer is used to achieve the facts that a black and white displaying can be observed from one side of the TFT side substrate and a color displaying can be observed from the other side of the color film side substrate, the black and white displaying and the color displaying of the electronic paper can be achieved without thickening the electronic paper, the structure is simple, and the manufacturing cost is low.
Description
Technical field
The utility model relates to the electric paper apparatus technical field, relates in particular to a kind of double-sided display Electronic Paper and electric paper display.
Background technology
Electronic Paper (E-paper) is a kind of display screen of ultra-thin, ultralight, is appreciated that to be " display that sensitive paper is equally thin, soft, erasable ".Figuratively speaking, Electronic Paper is a thin film, and at the charged material of one deck that " is coated with " on the film, is exactly electric ink.The maximum difference of Electronic Paper and LCD is: LCD adopts transmission display mode backlight, thereby need be backlight, and Electronic Paper adopts reflective display mode, does not need backlight.Do not have memory effect after the LCD outage in addition, and after the Electronic Paper outage memory effect is arranged.
The development of electronic paper technology makes Electronic Paper stride forward colored demonstration from the double-colored demonstration of black and white.Realize in the prior art that colored demonstration of Electronic Paper and the maximum technology of influence power are electrophoretic display technology (EPD); Adopt the color electric paper of EPD technology on principle, with LCD bigger difference to be arranged, the structure of its EPD color electric paper is similar to sandwich a little, shown in Figure 1A; Its front portion is color film side group plate 11; The rear portion then is a TFT side group plate 10, and between color film side group plate 11 and TFT side group plate 10 is electrophoresis layer 12, is covered with microcapsules (microcapsule) or little cup (microcup) in the electrophoresis layer 12; Each microcapsules perhaps little glass diameter are approximately 40 microns, and these microcapsules or little cup also are referred to as " electric ink ".In these microcapsules or little cup, also comprising numerous white particle and black particle, have positive charge and negative charge respectively, these tiny particles can be suspended in the liquid in microcapsules or the little cup for a long time.Through time and the height that applies voltage on the pixel electrode that is controlled at TFT side group plate 10, regulate particle rate travel and distance in electrophoresis layer 12 microcapsules or the little cup, let Electronic Paper have certain gray scale expressive ability.So just can rely on the polarity of control pixel electrode and the color film of intensity and color film side group plate, let the Electronic Paper colour demonstrate our needed image or literal.And when external voltage was cancelled, the fine particle of microcapsules or little glass of inside had lost locomotivity, continued to keep original suspended state, and this just makes the image on the Electronic Paper remain unchanged.
Shown in Figure 1B, above-mentioned color electric paper technology relies on color film side group plate 11 color displays or literal, can only provide one side colored demonstration, can not satisfy the user to black and white and the colored demand that all shows.
The utility model content
The utility model proposes a kind of double-sided display Electronic Paper and electric paper display, and colored and black and white double-sided display can be provided.
In order to achieve the above object, the utility model proposes a kind of double-sided display Electronic Paper, comprises by the TFT side group plate that is arranged in order behind the forward direction, electrophoresis layer and color film side group plate.
Further, said TFT side group plate comprises the pixel electrode of TFT and driving thereof.
Further, said pixel electrode is tin indium oxide (ITO) or indium zinc oxide (IZO).
Further, be covered with microcapsules or little cup structure in the said electrophoresis layer.
Further, comprise charged white particle and black particle in said microcapsules or the little cup structure.
Further, said color film side group plate comprises red pixel area (R), green pixel zone (G) and blue pixel area (B).
Accordingly, the utility model also provides a kind of electric paper display, comprises above-mentioned double-sided display Electronic Paper.
Compared with prior art, the double-sided display Electronic Paper and the electric paper display of the utility model are through the three-decker by the TFT side group plate that is arranged in order behind the forward direction, electrophoresis layer and color film side group plate; Utilize the reflective display mode of electrophoresis layer; The white and black displays that realization is simultaneously watched from TFT side group plate and show from the colour that color film side group plate is simultaneously watched need not to increase Electronic Paper thickness, can realize the black and white and color double-face demonstration of Electronic Paper; Simple in structure, low cost of manufacture.
Description of drawings
Figure 1A is depicted as the structural representation of the color electric paper of prior art;
Figure 1B is depicted as the demonstration synoptic diagram of the color electric paper of prior art;
Fig. 2 A is depicted as the structural representation of the double-sided display Electronic Paper of the utility model specific embodiment;
Fig. 2 B is depicted as the double-sided display synoptic diagram of the double-sided display Electronic Paper of the utility model specific embodiment.
Embodiment
In order more to understand the technology contents of the utility model, special act specific embodiment also cooperates appended illustrating as follows.
Shown in Fig. 2 A, the utility model proposes a kind of double-sided display Electronic Paper, comprises by the TFT side group plate 20 that is arranged in order behind the forward direction, electrophoresis layer 22 and color film side group plate 21.
In the present embodiment, said TFT side group plate 20 is a transparent glass substrate, which is provided with the pixel electrode of tft array and driving thereof, and said pixel electrode is tin indium oxide (ITO) or indium zinc oxide (IZO); Be covered with microcapsules or little cup structure in the said electrophoresis layer 21, comprise charged white particle and black particle in said microcapsules or the little cup structure; Said color film side group plate comprises red pixel area (R), green pixel zone (G) and blue pixel area (B).
Shown in Fig. 2 B, the double-sided display Electronic Paper of the utility model is because the reflective display mode of electrophoresis layer 22; Do not need backlight; Light can be injected electrophoresis layer at random, through time and the height that applies voltage on the pixel electrode that is controlled at TFT side group plate 20, regulates the electric field intensity between TFT side group plate and the color film side group plate 21; To regulate particle rate travel and the distance in electrophoresis layer microcapsules or the little cup; Let Electronic Paper have certain gray scale expressive ability, control the reflectivity of electrophoresis layer simultaneously, let Electronic Paper go out our needed image or literal in TFT side group plate one side white and black displays.Simultaneously; Because the reflective display mode of electrophoresis layer 22, do not need backlightly, light can be injected electrophoresis layer at random; Apply the time and the height of voltage on through the pixel electrode that is controlled at TFT side group plate; Regulate the electric field intensity between TFT side group plate and the color film side group plate 21,, also can let Electronic Paper demonstrate our needed image or literal at color film side group plate 21 1 side colours to regulate particle rate travel and the distance in electrophoresis layer microcapsules or the little cup.And the voltage that on the pixel electrode of TFT side group plate 20, applies is when cancelling; The fine particle of the microcapsules of electrophoresis layer 22 or little glass of inside has lost locomotivity; Continue to keep original suspended state, this just makes the image that goes out in TFT side group plate one side white and black displays on the Electronic Paper or literal or Electronic Paper remain unchanged at image or the literal that color film side group plate 21 1 side colours demonstrate.
Accordingly, the utility model also provides a kind of electric paper display, comprises the double-sided display Electronic Paper shown in Fig. 2 A, promptly comprises by the TFT side group plate 20 that is arranged in order behind the forward direction, electrophoresis layer 22 and color film side group plate 21.Said TFT side group plate 20 is a transparent glass substrate, which is provided with the pixel electrode of tft array and driving thereof, and said pixel electrode is tin indium oxide (ITO) or indium zinc oxide (IZO); Be covered with microcapsules or little cup structure in the said electrophoresis layer 21, comprise charged white particle and black particle in said microcapsules or the little cup structure; Said color film side group plate comprises red pixel area (R), green pixel zone (G) and blue pixel area (B).The electric paper display of the utility model can go out our needed image or literal in the TFT of double-sided display Electronic Paper side group plate one side white and black displays, demonstrates our needed image or literal at the color film side group plate 21 1 side colours in the double-sided display Electronic Paper.
In sum, the double-sided display Electronic Paper and the electric paper display of the utility model are through the three-decker by the TFT side group plate that is arranged in order behind the forward direction, electrophoresis layer and color film side group plate; Utilize the reflective display mode of electrophoresis layer; The white and black displays that realization is simultaneously watched from TFT side group plate and show from the colour that color film side group plate is simultaneously watched need not to increase Electronic Paper thickness, can realize the black and white and color double-face demonstration of Electronic Paper; Simple in structure, low cost of manufacture.
Though the utility model discloses as above with preferred embodiment; Right its is not in order to limit the utility model; Has common knowledge the knowledgeable in the technical field under any; In spirit that does not break away from the utility model and scope, when can doing a little change and retouching, so the protection domain of the utility model is as the criterion when looking claims person of defining.
Claims (7)
1. a double-sided display Electronic Paper is characterized in that, comprises by the TFT side group plate that is arranged in order behind the forward direction, electrophoresis layer and color film side group plate.
2. double-sided display Electronic Paper as claimed in claim 1 is characterized in that, said TFT side group plate comprises the pixel electrode of TFT and driving thereof.
3. double-sided display Electronic Paper as claimed in claim 2 is characterized in that, said pixel electrode is tin indium oxide or indium zinc oxide.
4. double-sided display Electronic Paper as claimed in claim 1 is characterized in that, is covered with microcapsules or little cup structure in the said electrophoresis layer.
5. double-sided display Electronic Paper as claimed in claim 4 is characterized in that, comprises charged white particle and black particle in said microcapsules or the little cup structure.
6. double-sided display Electronic Paper as claimed in claim 1 is characterized in that, said color film side group plate comprises red pixel area, green pixel zone and blue pixel area.
7. an electric paper display is characterized in that, comprises each described double-sided display Electronic Paper in the claim 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205671659U CN202383397U (en) | 2011-12-29 | 2011-12-29 | Double-sided displaying electronic paper and electronic paper displayer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205671659U CN202383397U (en) | 2011-12-29 | 2011-12-29 | Double-sided displaying electronic paper and electronic paper displayer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202383397U true CN202383397U (en) | 2012-08-15 |
Family
ID=46631889
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205671659U Expired - Lifetime CN202383397U (en) | 2011-12-29 | 2011-12-29 | Double-sided displaying electronic paper and electronic paper displayer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202383397U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103186006A (en) * | 2011-12-29 | 2013-07-03 | 上海天马微电子有限公司 | Double-sided display electronic paper and electronic paper display |
| CN111627399A (en) * | 2020-06-16 | 2020-09-04 | 掌阅科技股份有限公司 | Method, terminal and computer readable storage medium capable of locally transforming display colors |
-
2011
- 2011-12-29 CN CN2011205671659U patent/CN202383397U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103186006A (en) * | 2011-12-29 | 2013-07-03 | 上海天马微电子有限公司 | Double-sided display electronic paper and electronic paper display |
| CN111627399A (en) * | 2020-06-16 | 2020-09-04 | 掌阅科技股份有限公司 | Method, terminal and computer readable storage medium capable of locally transforming display colors |
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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 | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120815 |