CN101996546A - Reader and display method based on E-paper display (EPD) - Google Patents

Reader and display method based on E-paper display (EPD) Download PDF

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Publication number
CN101996546A
CN101996546A CN200910057761XA CN200910057761A CN101996546A CN 101996546 A CN101996546 A CN 101996546A CN 200910057761X A CN200910057761X A CN 200910057761XA CN 200910057761 A CN200910057761 A CN 200910057761A CN 101996546 A CN101996546 A CN 101996546A
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China
Prior art keywords
page
display
picture
reader
leaf
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Pending
Application number
CN200910057761XA
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Chinese (zh)
Inventor
徐乃强
李晓辉
冯威
王骞
李晶
张栋
朱伟
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Yangzhou easy Electronics Technology Co., Ltd.
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SHANGHAI EDO ELECTRONIC TECHNOLOGY Co Ltd
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Priority to CN200910057761XA priority Critical patent/CN101996546A/en
Publication of CN101996546A publication Critical patent/CN101996546A/en
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Abstract

The invention relates to an electronic book reader, and discloses a reader display method based on E-paper display (EPD). In the method, at least two Waveform programs with different orders are preset, the Waveform program with a higher order is adopted when pages containing pictures are displayed so as to obtain better contrast, and the Waveform program with a lower order is adopted when pages containing no pictures are displayed so as to obtain better display exquisite degree, thus enhancing the overall display effect.

Description

Reader and display packing thereof based on electric ink
Technical field
The present invention relates to E-book reader, particularly based on the display technique of electric ink.
Background technology
Electric ink is called Electronic Paper again and shows (E-Paper Display is called for short " EPD "), is innovating technologies of a kind of display message.Naked eyes be it seems electric ink as one bottle of common ink, but have millions of tiny microcapsules to be suspended in the electric ink liquid.Each capsule is the potpourri of dyestuff and pigment chip, and these tiny chips can be subjected to charge effect.Can liken the microcapsules of electric ink to transparent plastic water-ball.Comprise tens tablees tennis in each water polo, what charge in the water polo is pigment water.If see water polo from the top, we can see that many white tablees tennis float on a liquid, so water polo seems to be white in color.See water polo from the bottom, what you only saw is pigment water, so water polo seems to be black.If you are put into a container to several thousand water polo, and by electric field these tablees tennis are moved between the top and bottom of water polo, you just can see that container is changing color.The basic functional principle of Here it is a kind of typical electronic ink.In fact these water polo are microcapsules of 100 microns of diameters.
Electric ink has many advantages, comprises legibility, flexibility, easily cheap manufacturing and low-power consumption etc.Compare with other display technique, the reflectivity and the contrast of electric ink are preferable.Seem the China ink on their sensitive papers, people are read and feel well when handling.Under light comprised direct sunlight, other display technique can feel that some is light and be difficult to read, and saw easily and read based on the demonstration of electric ink.
Because electric ink is soft, so bold, hard and even curface is optional.Electric ink can be used on the paper, produces the book display effect the same with newspaper.It also can print on the cloth, perhaps prints to similar mobile phone and the nonplanar grotesque surface of other electrical equipment.
Under the prerequisite that does not expend any additional electrical energy, electric ink can keep image to reach several weeks, and the power consumption that other display technique need continue when showing usually.
A kind of application of electric ink is a display screen of making E-book reader.Utilize electric ink can keep the but advantage of consumed power not of image for a long time, this E-book reader only needs certain electric energy when page turning, and it is up to ten thousand inferior that a fritter lithium battery just can page turning.And the reflectivity of electric ink and contrast are preferable, so long-time the reading do not hindered eyes yet.
Electric ink is the special display technique of a class, is different from LCD (Liquid Crystal Display is called for short " LCD "), drive electric ink and show, needs one group of special voltage waveform.Control display waveform program (being called for short " Waveform program ") is exactly the program that produces respective waveforms.The relevant information of Waveform program all is kept in the storer, can read from storer when needing to use.
Reader for using electronic ink technologies, adopt following flow process to show at present:
The main control chip can be sent out an order and give display driver chip; Display driver chip need read the Waveform program, according to the indication of Waveform program, exports the demonstration of corresponding Waveform Control electronics Heisui River display.
Have only a kind of Waveform program on the previous E-book reader of order, the Waveform program has 4 rank, 8 rank and 16 rank.
The present inventor finds, uses the structure of a kind of Waveform can't reach satisfied display effect.If with the Waveform program display e-book on 8 rank, show that concerning the e-book that picture is arranged fine and smooth degree is not enough, if, have the e-book contrast of pure words not enough with the Waveform program display e-book on 16 rank.
Summary of the invention
The object of the present invention is to provide a kind of reader and display packing thereof, can promote the display effect of e-book based on electric ink.
For solving the problems of the technologies described above, embodiments of the present invention provide a kind of reader display packing based on electric ink, and storing exponent number in reader in advance is the control display waveform program of N and M, wherein N>M;
Before showing new page, judge whether the content of this page comprises picture;
If comprise picture, then use exponent number this page or leaf of control display waveform program display as N;
If do not comprise picture, then use exponent number this page or leaf of control display waveform program display as M.
Embodiments of the present invention also provide a kind of reader based on electric ink, comprising:
Display based on electric ink;
Storer is used to store the control display waveform program that exponent number is N and M, wherein N>M;
Display driver chip is used for using the control display waveform driven by program display of storer to show;
The main control chip, be used for before showing new page, whether the content of judging this page comprises picture, if comprise picture, then indicated number chip for driving is used exponent number this page or leaf of control display waveform program display as N, if do not comprise picture, then indicated number chip for driving is used exponent number this page or leaf of control display waveform program display as M.
Embodiment of the present invention compared with prior art, the key distinction and effect thereof are:
Preset the Waveform program of at least two kinds of different ranks, when demonstration comprises the page of picture, use the Waveform program of higher exponent number, to obtain contrast preferably, when demonstration does not comprise the page of picture, use the Waveform program of lower-order number, show fine and smooth degree preferably with acquisition, thereby promoted display effect on the whole.
Further, preset the Waveform program of at least three kinds of different ranks, the pictures maximum with color range in the page are benchmark, select different rank Waveform program for use, can further promote display effect on the whole, on contrast and the fine and smooth degree of demonstration, reach better balance.
Further, icon is very little, color also seldom, with icon as literal rather than picture, can in the page, have only icon and literal situation under select the Waveform program of lower-order number for use so that contrast is preferably arranged on the whole.
Description of drawings
Fig. 1 is based on the reader display packing schematic flow sheet of electric ink in the first embodiment of the invention;
Fig. 2 is based on the reader display packing schematic flow sheet of electric ink in the third embodiment of the invention;
Fig. 3 is based on the reader structural representation of electric ink in the four embodiment of the invention.
Embodiment
In the following description, in order to make the reader understand the application better many ins and outs have been proposed.But, persons of ordinary skill in the art may appreciate that even without these ins and outs with based on the many variations and the modification of following each embodiment, also can realize each claim of the application technical scheme required for protection.
For making the purpose, technical solutions and advantages of the present invention clearer, embodiments of the present invention are described in further detail below in conjunction with accompanying drawing.
First embodiment of the invention relates to a kind of reader display packing based on electric ink, and its process flow diagram as shown in Figure 1.
Store the Waveform program of two kinds of different ranks in reader in advance, the exponent number of these two kinds of Waveform programs is respectively N and M, wherein N>M.
In step 101, before showing new page, judge whether the content of this page comprises picture, if then enter step 103, otherwise enter step 102.
The method whether content of judging the page comprises picture has a lot, and for example, e-book is the TXT form, can judge that then all pages of this e-book all do not comprise picture.And for example, e-book is HTML (Hypertext Markup Language) (Hyper Text Makeup Language, be called for short " HTML ") form, then has<IMG〉page of label is the page that comprises picture.Similarly, for Portable Document format (Portable Document Format, abbreviation " PDF "), DOC, Extensible Markup Language (extensible Markup Language, be called for short " XML ") wait the e-book of other form, also can want whether to comprise in the page displayed picture by the analysis of form is known.
The page turning key that triggers the normally reader of new page or leaf demonstration is pressed.A kind of preferable methods is to send an interruption to the main control chip when page turning key is pressed, and wakes up by this interruption to be in dormant main control chip originally.
In the embodiments of the present invention, page turning key comprises the key that turns over one page forward, turns over the key of one page and jump to key (as bookmark) of specified page etc. backward, and the button that every meeting makes current page be updated to a new e-book page can be can be regarded as page turning key.Page turning key both can be an independently physical button, also can be a multifunction key, can also be the virtual key on a menu or the touch-screen.
In step 102, do not comprise the situation of picture for the page, use exponent number this page or leaf of Waveform program display as M, just use lower this page or leaf of Waveform program display of exponent number.The page that does not contain picture is called the pure words page again, is comparatively common a kind of page in e-book.
In step 103, comprise the situation of picture for the page, use exponent number this page or leaf of Waveform program display as N, just use higher this page or leaf of Waveform program display of exponent number.
Preferably, N=16, M=8.That is to say for the page exponent number that comprises picture to be 16 Waveform program display, is 8 Waveform program display for the page exponent number that does not comprise picture.Certainly the combination of also available other exponent number of use, N=16 for example, M=4 etc.
Though present embodiment is that the Waveform program with 2 kinds of different ranks is that example describes, but understand easily, also can store the Waveform program more than 3 kinds or 3 kinds in the reader, be higher than demonstration by the Waveform program exponent number contain the picture page not contain the picture page just passable as long as show.
Preset the Waveform program of at least two kinds of different ranks, when demonstration comprises the page of picture, use the Waveform program of higher exponent number, to obtain contrast preferably, when demonstration does not comprise the page of picture, use the Waveform program of lower-order number, show fine and smooth degree preferably with acquisition, thereby promoted display effect on the whole.
Second embodiment of the invention relates to a kind of reader display packing based on electric ink.
Second embodiment improves on the basis of first embodiment, and main improvements are: the icon in the page is not very made picture, that is to say if having only icon and literal in the page, then can be regarded as the situation that does not comprise picture in the page.
Icon is very little, color also seldom, with icon as literal rather than picture, can in the page, have only icon and literal situation under select the Waveform program of lower-order number for use, thereby contrast is preferably arranged on the whole.
Third embodiment of the invention relates to a kind of reader display packing based on electric ink.
The 3rd embodiment improves on the basis of first or second embodiment, main improvements are: the Waveform program that presets at least three kinds of different ranks, with the maximum picture of color range in the page is benchmark, select different rank Waveform program for use, can further promote display effect on the whole, on contrast and the fine and smooth degree of demonstration, reach better balance.
The flow process of the 3rd embodiment as shown in Figure 2.
Storing exponent number in reader in advance is three kinds of Waveform programs of N, M, P, wherein P>N>M.
In step 201, before showing new page, judge whether the content of this page comprises picture, if then enter step 203, otherwise enter step 202.
In step 202, do not comprise the situation of picture for the page, use exponent number this page or leaf of Waveform program display as M, just use minimum this page or leaf of Waveform program display of exponent number.After this process ends.
In step 203, comprise the situation of picture for the page, find out the maximum picture of color range in this page.Have a plurality of pictures in the page,, can know that the color range of which picture is maximum by parsing one by one to each picture.
Can know the color range number of picture according to the form of picture, for example BIIF (Graphics Interchange Format is called for short " GIF ") can only have 256 kinds of colors at most.Also can be by the analysis of information relevant with palette in the picture being known the color range number of picture, for example by analysis to bitmap (Bitmap), can know this bitmap be black and white, or 16 looks, 256 looks or the like.
After this enter step 204, whether the color range number of judging the picture that this color range is maximum if then enter step 205, otherwise enters step 206 above presetting thresholding.
In step 205, use exponent number this page or leaf of Waveform program display as P, just use the highest this page or leaf of Waveform program display of exponent number.After this process ends.
In step 206, use exponent number this page or leaf of Waveform program display as N, just use medium this page or leaf of Waveform program display of exponent number.After this process ends.
Be appreciated that, can expand further present embodiment, can preset more a plurality of different rank Waveform programs, the e-book that is used to show pure words of a kind of minimum exponent number wherein, size according to the color range number of the maximum picture of color range in the page is divided into different ranks again, the Waveform program of the corresponding a kind of exponent number of each rank.
Each method embodiment of the present invention all can be realized in modes such as software, hardware, firmwares.No matter the present invention be with software, hardware, or the firmware mode realize, instruction code can be stored in the storer of computer-accessible of any kind (for example permanent or revisable, volatibility or non-volatile, solid-state or non-solid-state, fixing or removable medium or the like).Equally, storer can for example be programmable logic array (Programmable Array Logic, be called for short " PAL "), random access memory (Random Access Memory, be called for short " RAM "), programmable read only memory (Programmable Read Only Memory, be called for short " PROM "), ROM (read-only memory) (Read-Only Memory, be called for short " ROM "), Electrically Erasable Read Only Memory (Electrically Erasable Programmable ROM, be called for short " EEPROM "), disk, CD, digital versatile disc (Digital Versatile Disc is called for short " DVD ") or the like.
Four embodiment of the invention relates to a kind of reader based on electric ink.The structure of this reader comprises as shown in Figure 3:
Display based on electric ink.
Storer is used to store the Waveform program that exponent number is N and M, wherein N>M.Preferably, can use flash memory (Flash) to preserve each Waveform program of different rank as storer, can certainly use other nonvolatile memory, for example can wipe, programmable read only memory (Erasable Programmable Read-Only Memory, be called for short " EPROM ") etc.Preferably, N=16, M=8.Also other exponent number combination, as N=16, M=4; N=8, M=4 etc.
Display driver chip is used for using the Waveform driven by program display of storer to show.
The main control chip, be used for before showing new page, whether the content of judging this page comprises picture, if comprise picture, then indicated number chip for driving is used exponent number this page or leaf of Waveform program display as N, if do not comprise picture, then indicated number chip for driving is used exponent number this page or leaf of Waveform program display as M.
The main control chip can be digital signal processor (Digital Signal Processor, abbreviation " DSP "), micro-control unit (Micro Controller Unit, abbreviation " MCU "), central processing unit (Central Processing Unit, be called for short " CPU ") etc., it also can be special IC (Application Specific Integrated Circuit is called for short " ASIC ") chip.
First embodiment is and the corresponding method embodiment of present embodiment, present embodiment can with the enforcement of working in coordination of first embodiment.The correlation technique details of mentioning in first embodiment is still effective in the present embodiment, in order to reduce repetition, repeats no more here.Correspondingly, the correlation technique details of mentioning in the present embodiment also can be applicable in first embodiment.
Fifth embodiment of the invention relates to a kind of reader based on electric ink.
The 5th embodiment improves on the basis of the 4th embodiment, and main improvements are: the icon in the page or leaf is not very made picture, that is to say if having only icon and literal in the page, then can be regarded as the situation that does not comprise picture in the page.
Second embodiment is and the corresponding method embodiment of present embodiment, present embodiment can with the enforcement of working in coordination of second embodiment.The correlation technique details of mentioning in second embodiment is still effective in the present embodiment, in order to reduce repetition, repeats no more here.Correspondingly, the correlation technique details of mentioning in the present embodiment also can be applicable in second embodiment.
Sixth embodiment of the invention relates to a kind of reader based on electric ink.
The 6th embodiment improves on the basis of the 4th or the 5th embodiment, main improvements are: the Waveform program that presets at least three kinds of different ranks, with the maximum picture of color range in the page is benchmark, select different rank Waveform program for use, can further promote display effect on the whole, on contrast and the fine and smooth degree of demonstration, reach better balance.Specifically:
Also storing exponent number in the storer is the Waveform program of P, wherein P>N>M.
The main control chip is after the content of judging page or leaf comprises picture, also find out the maximum picture of color range in this page, and whether the color range number of judging the picture that this color range is maximum surpasses and presets thresholding, if then indicated number chip for driving is used exponent number this page or leaf of Waveform program display as P, otherwise the indicated number chip for driving is used exponent number this page or leaf of Waveform program display as N.
The 3rd embodiment is and the corresponding method embodiment of present embodiment, present embodiment can with the enforcement of working in coordination of the 3rd embodiment.The correlation technique details of mentioning in the 3rd embodiment is still effective in the present embodiment, in order to reduce repetition, repeats no more here.Correspondingly, the correlation technique details of mentioning in the present embodiment also can be applicable in the 3rd embodiment.
Though pass through with reference to some of the preferred embodiment of the invention, the present invention is illustrated and describes, but those of ordinary skill in the art should be understood that and can do various changes to it in the form and details, and without departing from the spirit and scope of the present invention.

Claims (10)

1. the reader display packing based on electric ink is characterized in that, storing exponent number in reader in advance is the control display waveform program of N and M, wherein N>M;
Before showing new page, judge whether the content of this page comprises picture;
If comprise picture, then use exponent number this page or leaf of control display waveform program display as N;
If do not comprise picture, then use exponent number this page or leaf of control display waveform program display as M.
2. the reader display packing based on electric ink according to claim 1 is characterized in that, also storing exponent number in the described reader is the control display waveform program of P, wherein P>N;
Before showing new page,, then also wrap following steps if this page or leaf comprises picture:
Find out the maximum picture of color range in this page;
Whether the color range number of judging the picture that this color range is maximum if then use exponent number control display waveform program display this page or leaf as P, otherwise uses exponent number control display waveform program display this page or leaf as N above presetting thresholding.
3. the reader display packing based on electric ink according to claim 1 is characterized in that described N=16, M=8.
4. the reader display packing based on electric ink according to claim 1 is characterized in that described N=16, M=4.
5. according to each described reader display packing in the claim 1 to 4, it is characterized in that the icon in the described page or leaf is not very made picture based on electric ink.
6. the reader based on electric ink is characterized in that, comprising:
Display based on electric ink;
Storer is used to store the control display waveform program that exponent number is N and M, wherein N>M;
Display driver chip is used for using the described display of control display waveform driven by program of described storer to show;
The main control chip, be used for before showing new page, whether the content of judging this page comprises picture, if comprise picture, then indicate described display driver chip to use exponent number this page or leaf of control display waveform program display as N, if do not comprise picture, then indicate described display driver chip to use exponent number this page or leaf of control display waveform program display as M.
7. the reader based on electric ink according to claim 6 is characterized in that, also storing exponent number in the described storer is the control display waveform program of P, wherein P>N;
Described main control chip is after the content of judging described page or leaf comprises picture, also find out the maximum picture of color range in this page, and whether the color range number of judging the picture that this color range is maximum surpasses and presets thresholding, if then indicate described display driver chip to use exponent number this page or leaf of control display waveform program display, otherwise indicate described display driver chip to use exponent number this page or leaf of control display waveform program display as N as P.
8. the reader based on electric ink according to claim 6 is characterized in that, described N=16, M=8.
9. the reader based on electric ink according to claim 6 is characterized in that, described N=16, M=4.
10. according to each described reader in the claim 6 to 9, it is characterized in that the icon in the described page or leaf is not very made picture based on electric ink.
CN200910057761XA 2009-08-17 2009-08-17 Reader and display method based on E-paper display (EPD) Pending CN101996546A (en)

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CN200910057761XA CN101996546A (en) 2009-08-17 2009-08-17 Reader and display method based on E-paper display (EPD)

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Application Number Priority Date Filing Date Title
CN200910057761XA CN101996546A (en) 2009-08-17 2009-08-17 Reader and display method based on E-paper display (EPD)

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CN101996546A true CN101996546A (en) 2011-03-30

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10354603B2 (en) 2016-06-08 2019-07-16 Iris Technological Design Incorporated Computer display screen for concussion patients
CN111326118A (en) * 2020-02-07 2020-06-23 掌阅科技股份有限公司 Device and method for setting display parameters and computer readable storage medium
CN113935891A (en) * 2021-09-09 2022-01-14 完美世界(北京)软件科技发展有限公司 Pixel-style scene rendering method, device and storage medium

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10354603B2 (en) 2016-06-08 2019-07-16 Iris Technological Design Incorporated Computer display screen for concussion patients
CN111326118A (en) * 2020-02-07 2020-06-23 掌阅科技股份有限公司 Device and method for setting display parameters and computer readable storage medium
CN111326118B (en) * 2020-02-07 2021-07-20 掌阅科技股份有限公司 Device and method for setting display parameters and computer readable storage medium
CN113935891A (en) * 2021-09-09 2022-01-14 完美世界(北京)软件科技发展有限公司 Pixel-style scene rendering method, device and storage medium
CN113935891B (en) * 2021-09-09 2022-08-26 完美世界(北京)软件科技发展有限公司 Pixel-style scene rendering method, device and storage medium

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