CN102054437A - Electrophoretic display - Google Patents
Electrophoretic display Download PDFInfo
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- CN102054437A CN102054437A CN200910209685XA CN200910209685A CN102054437A CN 102054437 A CN102054437 A CN 102054437A CN 200910209685X A CN200910209685X A CN 200910209685XA CN 200910209685 A CN200910209685 A CN 200910209685A CN 102054437 A CN102054437 A CN 102054437A
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Abstract
The invention relates to an electrophoretic display, which comprises a temperature sensor, a memory, a central processing unit and a display unit. The temperature sensor senses and outputs a present temperature. A temperature characteristic table is stored in the memory. The central processing unit is electrically coupled to the temperature sensor and the memory, receives the present temperature and the temperature characteristic table, and matches the present temperature with the temperature characteristic table in order to obtain and output a drive reference or a time sequence. The display unit is electrically coupled to the central processing unit, receives the drive reference or the time sequence and achieves displaying according to the drive reference or the time sequence.
Description
Technical field
The present invention relates to a kind of electrophoretic display device (EPD), particularly relate to a kind of can the generation and drive position standard or sequential and tremble the electrophoretic display device (EPD) that look is handled by central processing unit.
Background technology
Under the rise of flexible display, because flexible display has frivolous, shock-resistant and the deflection characteristic, therefore can replace present flat-panel screens in weak point, the intermediate range, and can be made into the new model product: e-book, electronic tag, electronic board or smart card (Smart Card) etc.The electrophoretic display device (EPD) of industry research and development at present comprises: the e-inks technology of microencapsulation, little glass change electrophoresis showed technology and powder mobile display (Quick Response-Liquid Powder Display, QR-LPD) etc.Bistable state (Bistable) display is the less demanding reader optimal selection of display frame renewal frequency, and the bistable state medium has memory effect, only just needs driving voltage when frame updating.So have the electricity-saving characteristic, and do not have the film flicker problem, thus the user can comfortablely read, the electrophoretic display device (EPD) of introducing below (Electrophoretic Display, EPD), QR-LPD and cholesterin liquid-crystal display all have this characteristic.
See also shown in Figure 1ly, it illustrates the partial circuit calcspar of existing known electrophoretic display device (EPD).In Fig. 1, electrophoretic display device (EPD) 100 comprises central processing unit 102, input block 104, display controller 106, first memory 108, second memory 110, display unit 112 and temperature-sensitive sticker 118.Wherein, central processing unit 102 is electrically coupled to input block 104, display controller 106, first memory 108, and display controller 106 is electrically coupled to second memory 110, display unit 112 and temperature-sensitive sticker 118.And display unit 112 comprises thin-film transistor circuit 114 and viewing area 116.
In existing known technology, second memory 110 stores the temperature characterisitic table, and first memory 107 is for storing required formula and the image data of central processing unit 102 runnings.Central processing unit 102 is the image data that reads in the first memory 108, and exports display controller 106 to.Display controller 106 is for the present temperature that receives temperature-sensitive sticker 118 and sensed and read temperature characterisitic table in the second memory 110, and seeks corresponding a drivings standard or sequential.Then, 106 outputs of display controller drive position standard or sequential and image data to thin-film transistor circuit 114.Thin-film transistor circuit 114 then drives a standard with this and drives viewing area 116, so that viewing area 116 image data displayings.In known technology, because electrophoretic display device (EPD) 100 needs configuration central processing unit 102 and display controller 106, the cost of therefore making electrophoretic display device (EPD) 100 also can uprise thereupon.And, after electrophoretic display device (EPD) 100 is enabled, need sustainable supply electric power to give central processing unit 102 and display controller 106, for electrophoretic display device (EPD) 100, this will consume the very a large amount of electric power of electrophoretic display device (EPD) 100.
This shows that above-mentioned existing electrophoretic display device (EPD) obviously still has inconvenience and defective, and demands urgently further being improved in structure and use.In order to solve the problem of above-mentioned existence, relevant manufacturer there's no one who doesn't or isn't seeks solution painstakingly, but do not see always that for a long time suitable design finished by development, and common product does not have appropriate structure to address the above problem, this obviously is the problem that the anxious desire of relevant dealer solves.Therefore how to found a kind of novel electrophoretic display device (EPD), real one of the current important research and development problem that belongs to, also becoming the current industry utmost point needs improved target.
Summary of the invention
The objective of the invention is to, overcome the defective that existing electrophoretic display device (EPD) exists, and a kind of novel electrophoretic display device (EPD) is provided, technical matters to be solved is it to be reduced cost and electrical source consumption, and can increase the GTG number of demonstration simultaneously and improve picture quality, be very suitable for practicality.
The object of the invention to solve the technical problems realizes by the following technical solutions.According to a kind of electrophoretic display device (EPD) that the present invention proposes, it comprises: a temperature-sensitive sticker, detect and export a present temperature; One storer stores a temperature characterisitic table; One central processing unit is electrically coupled to this temperature-sensitive sticker and this storer, and this central processing unit receives this present temperature and this temperature characterisitic table, and mates with this present temperature and this temperature characterisitic table, drives the accurate or sequential in position in order to obtain and to export one; And a display unit, be electrically coupled to this central processing unit, and receive and show according to this drivings position standard or this sequential.
The object of the invention to solve the technical problems also can be applied to the following technical measures to achieve further.
Aforesaid electrophoretic display device (EPD), wherein said memory storage has an image data.
Aforesaid electrophoretic display device (EPD), wherein said central processing unit read this image data in this storer, and export this display unit to after this image data done an image processing.
Aforesaid electrophoretic display device (EPD), wherein said image processing is handled for trembling look.
Aforesaid electrophoretic display device (EPD), wherein said display unit comprises: a viewing area; And a thin-film transistor circuit, be electrically coupled to this central processing unit and this viewing area, and receive this driving position accurate with this image data, show this image data in order to drive this viewing area with this drivings standard or sequential.
Aforesaid electrophoretic display device (EPD), it also comprises a storage element, this storage element is electrically coupled to this central processing unit, and stores an image data.
Aforesaid electrophoretic display device (EPD), wherein said central processing unit read this image data in this storage element, and export this display unit to after this image data done an image processing.
Aforesaid electrophoretic display device (EPD), wherein said image processing is handled for trembling look.
Aforesaid electrophoretic display device (EPD), wherein said display unit comprises: a viewing area; And a thin-film transistor circuit, be electrically coupled to this central processing unit and this viewing area, and receive this driving position accurate with this image data, show this image data in order to drive this viewing area with this drivings position standard or this sequential.
Aforesaid electrophoretic display device (EPD), it also comprises an input block, this input block is electrically coupled to this central processing unit, and produces and export an operational order to this central processing unit according to user's operation.
The present invention compared with prior art has tangible advantage and beneficial effect.By technique scheme, electrophoretic display device (EPD) of the present invention has following advantage and beneficial effect at least: reason central processing unit of the present invention reads driving position standard or the sequential that is used to drive display unit, therefore can reduce a display controller of configuration and storer in electrophoretic display device (EPD), not only can reduce cost and electrical source consumption, and can increase the GTG number of demonstration simultaneously and improve picture quality.
In sum, the present invention can reduce cost and electrical source consumption, and can increase the GTG number of demonstration simultaneously and improve picture quality.The present invention has obvious improvement technically, and has tangible good effect, really is a new and innovative, progressive, practical new design.
Above-mentioned explanation only is the general introduction of technical solution of the present invention, for can clearer understanding technological means of the present invention, and can be implemented according to the content of instructions, and for above-mentioned and other purposes, feature and advantage of the present invention can be become apparent, below especially exemplified by preferred embodiment, and conjunction with figs., be described in detail as follows.
Description of drawings
Fig. 1 illustrates to having the partial circuit calcspar of known electrophoretic display device (EPD) now.
Fig. 2 illustrates the partial circuit calcspar into a kind of electrophoretic display device (EPD) of one embodiment of the invention.
Fig. 3 illustrates the partial circuit calcspar into a kind of electrophoretic display device (EPD) of another embodiment of the present invention.
Fig. 4 A illustrates to the look of trembling of one embodiment of the invention and handles synoptic diagram.
Fig. 4 B illustrates to the look of trembling of another embodiment of the present invention and handles synoptic diagram.
100,200,300: electrophoretic display device (EPD) 102,202,302: central processing unit
104,204,304: input block 106: display controller
108: first memory 110: second memory
112,208,308: display unit 114,210,310: thin-film transistor circuit
116,212,312: viewing area 118,214,314: temperature-sensitive sticker
206,306: storer
402,404,406,408,410,412: image data
Embodiment
Reach technological means and the effect that predetermined goal of the invention is taked for further setting forth the present invention, below in conjunction with accompanying drawing and preferred embodiment, to its embodiment of electrophoretic display device (EPD), structure, feature and the effect thereof that foundation the present invention proposes, describe in detail as after.
Relevant aforementioned and other technology contents, characteristics and effect of the present invention can be known to present in the following detailed description that cooperates with reference to graphic preferred embodiment.By the explanation of embodiment, when can being to reach technological means that predetermined purpose takes and effect to get one more deeply and concrete understanding to the present invention, yet appended graphic only provide with reference to the usefulness of explanation, be not to be used for the present invention is limited.
See also shown in Figure 2ly, it illustrates the partial circuit calcspar of a kind of electrophoretic display device (EPD) of one embodiment of the invention.In the present embodiment, electrophoretic display device (EPD) 200 comprises central processing unit 202, input block 204, storer 206, display unit 208 and temperature-sensitive sticker 214.
In Fig. 2, temperature-sensitive sticker 214 is used for detecting and exporting a present temperature.Wherein, temperature-sensitive sticker 214 is the temperature of sensing display unit 208, and exports present temperature to central processing unit 202 behind sensing, to drive the reference of display unit 208 as central processing unit 202.And before exporting central processing unit 202 to, temperature-sensitive sticker 214 also for example is that the present temperature transition with simulating signal is the present temperature of digital signal.As be familiar with this skill person and can know easily, temperature-sensitive sticker 214 can for example be to be disposed on the display unit 208 or on every side, but all not as limit.
In the present embodiment, central processing unit 202 reads the image data in the storer 206, and image data is done an image processing.Secondly, 202 of central processing units export treated image data to display unit 208.
In the present embodiment, input block 204 is electrically coupled to central processing unit 202.This input block 204 is subjected to user's operation and produces an operational order, and exports this operational order to central processing unit 202.Central processing unit 202 is then carried out corresponding action according to this operational order.
Please continue to consult shown in Figure 2, the function mode of this electrophoretic display device (EPD) 200 is for after electrophoretic display device (EPD) 200 is enabled, and when input block 204 received operational order, input block 204 exported operational order to central processing unit 202.202 of central processing units are carried out according to this operational order.When this operational order was idsplay order, 202 of central processing units were sought to the storer 206 according to idsplay order and are read corresponding image data, and export this image data to thin-film transistor circuit 210.In addition, central processing unit 202 receives the present temperature that temperature-sensitive sticker 214 transmits, and mates according to the field in the temperature characterisitic table in present temperature and the storer 206, and obtains corresponding to a driving position standard or a sequential of present temperature.Then, this driving position standard of 202 outputs of central processing unit or sequential are to thin-film transistor circuit 210.
After thin-film transistor circuit 210 receives driving position standard and image data, then drive viewing area 212, with image data displaying on viewing area 212 according to driving a standard or sequential.
See also shown in Figure 3ly, it illustrates the partial circuit calcspar of a kind of electrophoretic display device (EPD) of another embodiment of the present invention.In the present embodiment, electrophoretic display device (EPD) 300 comprises central processing unit 302, input block 304, storer 306, display unit 308, temperature-sensitive sticker 314 and storage element 316.
In Fig. 3, temperature-sensitive sticker 314 is used for detecting and exporting a present temperature.Wherein, temperature-sensitive sticker 314 is the temperature of sensing display unit 308, and exports present temperature to central processing unit 302 behind sensing, to drive the reference of display unit 308 as central processing unit 302.And before exporting central processing unit 302 to, temperature-sensitive sticker 314 also for example is that the present temperature transition with simulating signal is the present temperature of digital signal.As be familiar with this skill person and can know easily, temperature-sensitive sticker 314 can for example be to be disposed on the display unit 304 or on every side, but all not as limit.
In the present embodiment, central processing unit 302 reads the image data in the storage element 316, and image data is done an image processing.Secondly, 302 of central processing units export treated image data to display unit 308.
In the present embodiment, input block 304 is electrically coupled to central processing unit 302.This input block 304 is subjected to user's operation and produces an operational order, and exports this operational order to central processing unit 302.Central processing unit 302 is then carried out corresponding action according to this operational order.
Please continue to consult shown in Figure 3, the function mode of this electrophoretic display device (EPD) 300 is for after electrophoretic display device (EPD) 300 is enabled, and when input block 304 received operational order, input block 304 exported operational order to central processing unit 302.302 of central processing units are carried out according to this operational order.When this operational order was idsplay order, 302 of central processing units were sought to the storage element 316 according to idsplay order and are read corresponding image data, and export this image data to thin-film transistor circuit 310.In addition, central processing unit 302 receives the present temperature that temperature-sensitive sticker 314 transmits, and mates according to the field in the temperature characterisitic table in present temperature and the storer 306, and obtains corresponding to a driving position standard or a sequential of present temperature.Then, this driving position standard of 302 outputs of central processing unit or sequential are to thin-film transistor circuit 310.
After thin-film transistor circuit 310 receives driving position standard or sequential and image data, then according to driving an accurate driving viewing area 312, position, with image data displaying on viewing area 312.
See also shown in Fig. 4 A, it illustrates to the look of trembling of one embodiment of the invention and handles synoptic diagram.In the present embodiment, the central processing unit 202 of Fig. 2 and Fig. 3 and 302 comprises that when carrying out image processing trembling look (dirthering) handles.Wherein, as be familiar with this skill person and can know easily, trembling the look processing can be to tremble color method (ordered), error-diffusion method (Floyd-Steinberg) or Jarvis in order.
In Fig. 4 A, this tremble color method for image data 402 and 404 is carried out addition (in the present embodiment for convenience of description for the purpose of, with the black-and-white two color is that example explains), that is in image data 402 and 404, each have 16 sub-boxes, and during addition if two image datas 402 and 404 corresponding grid are white, then be display white on image data 406; Be black as if two image datas 402 and 404 corresponding grid, then on image data 406, be demonstration black; If two image datas 402 and 404 corresponding grid wherein have one during for black, then on image data 406, be demonstration black.
See also shown in Fig. 4 B, its look of trembling that illustrates another embodiment of the present invention is handled synoptic diagram.In Fig. 4 B, this trembles color method for image data 408 and 410 is carried out addition, that is in image data 408 and 410, each have 400 sub-boxes, and during addition if two image datas 408 and 410 corresponding grid are white, then be display white on image data 412; Be black as if two image datas 408 and 410 corresponding grid, then on image data 412, be demonstration black; If two image datas 408 and 410 corresponding grid wherein have one during for black, then on image data 412, be demonstration black.
In preferred embodiment of the present invention, can tremble look to image data because of central processing unit 202 and 302 handles, therefore the data of two GTGs on the image data or four GTGs can be presented on viewing area 212 and 312 for example is 16 GTGs or the effect of high gray more, so that the displayed value in the middle of two GTGs or color range to be provided, and the effect of utilizing human vision to persist, allow the user feel the continuity of picture color range or GTG.
In sum, in electrophoretic display device (EPD) of the present invention, because of utilizing central processing unit to read to be used to drive the driving position standard or the sequential of display unit, therefore can decrease in a display controller of configuration and storer in the electrophoretic display device (EPD), not only can reduce cost and electrical source consumption, and can increase the GTG number of demonstration simultaneously and improve picture quality.
The above, it only is preferred embodiment of the present invention, be not that the present invention is done any pro forma restriction, though the present invention discloses as above with preferred embodiment, yet be not in order to limit the present invention, any those skilled in the art, in not breaking away from the technical solution of the present invention scope, when the technology contents that can utilize above-mentioned announcement is made a little change or is modified to the equivalent embodiment of equivalent variations, in every case be the content that does not break away from technical solution of the present invention, according to technical spirit of the present invention to any simple modification that above embodiment did, equivalent variations and modification all still belong in the scope of technical solution of the present invention.
Claims (10)
1. electrophoretic display device (EPD) is characterized in that it comprises:
A present temperature is detected and exported to one temperature-sensitive sticker;
One storer stores a temperature characterisitic table;
One central processing unit is electrically coupled to this temperature-sensitive sticker and this storer, and this central processing unit receives this present temperature and this temperature characterisitic table, and mates with this present temperature and this temperature characterisitic table, drives the accurate or sequential in position in order to obtain and to export one; And
One display unit is electrically coupled to this central processing unit, and receives and show according to this drivings position standard or this sequential.
2. electrophoretic display device (EPD) according to claim 1 is characterized in that wherein said memory storage has an image data.
3. electrophoretic display device (EPD) according to claim 2 is characterized in that wherein said central processing unit reads this image data in this storer, and exports this display unit to after this image data done an image processing.
4. electrophoretic display device (EPD) according to claim 3 is characterized in that wherein said image processing is for trembling the look processing.
5. electrophoretic display device (EPD) according to claim 3 is characterized in that wherein said display unit comprises:
One viewing area; And
One thin-film transistor circuit is electrically coupled to this central processing unit and this viewing area, and receives this accurate and this image data in driving position, shows this image data in order to drive this viewing area with this driving position standard or sequential.
6. electrophoretic display device (EPD) according to claim 1 is characterized in that it also comprises a storage element, and this storage element is electrically coupled to this central processing unit, and stores an image data.
7. electrophoretic display device (EPD) according to claim 6 is characterized in that wherein said central processing unit reads this image data in this storage element, and exports this display unit to after this image data done an image processing.
8. electrophoretic display device (EPD) according to claim 7 is characterized in that wherein said image processing is for trembling the look processing.
9. electrophoretic display device (EPD) according to claim 6 is characterized in that wherein said display unit comprises:
One viewing area; And
One thin-film transistor circuit is electrically coupled to this central processing unit and this viewing area, and receives this accurate and this image data in driving position, drives this viewing area in order to or this sequential accurate with this driving position and shows this image data.
10. electrophoretic display device (EPD) according to claim 1 is characterized in that it also comprises an input block, and this input block is electrically coupled to this central processing unit, and produces and export an operational order to this central processing unit according to user's operation.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910209685XA CN102054437A (en) | 2009-11-05 | 2009-11-05 | Electrophoretic display |
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| CN200910209685XA CN102054437A (en) | 2009-11-05 | 2009-11-05 | Electrophoretic display |
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| CN102054437A true CN102054437A (en) | 2011-05-11 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102280087A (en) * | 2011-06-15 | 2011-12-14 | 中颖电子股份有限公司 | Singlechip microcomputer for electronic paper display |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102280087A (en) * | 2011-06-15 | 2011-12-14 | 中颖电子股份有限公司 | Singlechip microcomputer for electronic paper display |
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Application publication date: 20110511 |