CN101789220B - Electronic ink display equipment and illumination method thereof - Google Patents
Electronic ink display equipment and illumination method thereof Download PDFInfo
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- CN101789220B CN101789220B CN2010101130841A CN201010113084A CN101789220B CN 101789220 B CN101789220 B CN 101789220B CN 2010101130841 A CN2010101130841 A CN 2010101130841A CN 201010113084 A CN201010113084 A CN 201010113084A CN 101789220 B CN101789220 B CN 101789220B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
Abstract
The invention provides an electronic ink display method and illumination method thereof. The method includes the following steps: when the electronic ink display equipment opens an electronic file, a corresponding illumination configuration file is run, wherein the illumination configuration file contains a plurality of ray thresholds, a plurality of illumination parameters and correspondence of the ray threshold and illumination parameter; environment ray parameter is compared with the ray threshold in the illumination configuration file, and corresponding illumination parameter is selected; and luminous intensity of illumination device is controlled according to the illumination parameter. The electronic ink display equipment controls luminous intensity according to environment ray condition, not only the electronic ink display equipment can be used in weak ray environment, but also electricity energy waste and damage on eyesight of user can be avoided, and meanwhile appropriate illumination configuration file can be provided according to concrete condition of different electronic files, so that user can obtain perfect reading experience while reading electronic files in any type.
Description
Technical field
The present invention relates to the electronic ink display technology field, relate in particular to a kind of electronic ink display equipment and means of illumination thereof.
Background technology
Electronic paper technology b referred to as the 15th century typography birth greatest invention in back, even has the people to predict in following 10 years, and electronic paper cooperates storage chip can load whole library, and the electronic paper medium also will let most newpapers and periodicals that print become history.Compare with traditional paper, Electronic Paper can be used repeatedly, therefore is described as by " paper of forever cannot not writing intactly ".The approach that realizes electronic paper technology at present mainly includes cholesterol liquid crystal display technique, electrophoretic display technology and electric wetting display technique etc., wherein is the most promising technological approaches with electrophoretic display technology.
The principle of work of electrophoretic display technology is to move by the electron ion that is immersed among transparent or the colour liquid, promptly pixel is brightened or deepening through upset or the particulate that flows, and can be fabricated on glass, metal or the plastic.Concrete technology is that the TiO 2 particles that diameter is about 1mm is dispersed in the hydrocarbon oil, black dyes, surfactant and make the charged charge control agent of particle also be added in the hydrocarbon oil; This potpourri is placed on two interblocks apart from being between the parallel conductive plates of 10～100mm, and when to two current-carrying plate making alives, these particles can be moved on the thin plate that has opposite charges from the thin plate at place with the mode of electrophoresis.When particle was positioned at the front (display surface) of display, display screen was a white, and this is because light is scattered back reader one side through TiO 2 particles; When particle was positioned at the display back side, display was a black, and this is because coloured dye has absorbed incident light.If the electrode at the back side is divided into a plurality of small pictorial elements (pixel), add that through each zone suitable voltage produces echo area and uptake zone pattern, can form image to display.
There is the Samsung and the LPL manufacturers such as (LPL) of Polymer Vision under U.S. E-Ink and SiPix company, Britain PlasticLogic, the Dutch Philip, Japanese Bridgestone, Hitachi, Seiko Epson, Korea S in the enterprise that drops at present the electrophoretic display technology exploitation; And forefront is in the industry cycle walked by U.S. E-Ink company aspect product development, adopts the display screen (being referred to as the electrophoresis-type Electronic Paper again) of its electronic ink technologies on E-book reader, to obtain widespread use.
Existing electronic ink display equipment has the following advantages: 1. high light can be seen, the electric ink display screen is not reflective under solar radiation, makes you fully experience the enjoyment of outdoor reading; 2. radiationless, safe in utilization, avoid the infringement of general electronic product radiation to health; 3. read at full visual angle, high definition, and near the display effect of paper, reading the visual angle can be near 180 °.But,, show purpose but reach in reader's eye through reflect ambient light because electric ink display screen self is not luminous; Therefore electronic ink display equipment has a very important disadvantages; Though electronic ink display equipment has been practiced thrift power consumption because there not being backlight device exactly, reach the long effect of stand-by time, because do not have backlight; It can not be used under environment with dark light, and this shortcoming has largely limited the application of electronic ink display equipment.
On the other hand, for the e-book in the electronic ink display equipment, a lot of e-book are from xeroxing document; Its paper color; The density of character, font size etc. are all different, even some e-book also have background paper color and decorative pattern etc.; Make under the same light environment that some e-book is high-visible even perceived brightness is too high dazzling; What some e-book was then dark does not see, and at this moment need regulate the brightness of electronic ink display equipment, to satisfy under the different condition reading needs to e-book yet.
Summary of the invention
The object of the present invention is to provide a kind of electronic ink display equipment and means of illumination thereof,, satisfy under the different condition reading needs e-book for existing electronic ink display equipment provides illumination functions.
Technical scheme of the present invention is following:
A kind of electronic ink display equipment; Comprise an electric ink display screen; Said electronic ink display equipment comprises that also a light sensor, a processor and one provide the lighting device of illumination for the electric ink display screen; Said light sensor is used for testing environment light situation and produces corresponding ambient light parameter, and said processor is controlled the luminous intensity of said lighting device according to the ambient light parameter that receives.
Said electronic ink display equipment, wherein, said lighting device is positioned at the outside of said electric ink display screen, and it comprises a light source and a light-guide device, and the luminous intensity of said light source is controlled by said processor.
Said electronic ink display equipment; Wherein, Be preset with the corresponding relation of some light threshold values, some lighting parameters and light threshold values and lighting parameter in the said processor; Said processor is compared the ambient light parameter and the light threshold values that receive, chooses the luminous intensity of corresponding lighting parameter with the control lighting device.
Said electronic ink display equipment, wherein, then the ambient light more parameters is big more by force for said ambient light, and the bigger then corresponding lighting parameter of said light threshold values is more little simultaneously, makes said lighting device luminous intensity when ambient light is stronger more little.
A kind of means of illumination of electronic ink display equipment may further comprise the steps:
A. when electronic ink display equipment is opened an e-file, move the illumination arrangement file corresponding, comprise the corresponding relation of some light threshold values, some lighting parameters and said light threshold values and lighting parameter in the said illumination arrangement file with it;
B. the light threshold values in ambient light parameter and the illumination arrangement file is compared, choose corresponding lighting parameter; With
C. control the luminous intensity of lighting device according to lighting parameter.
The means of illumination of said electronic ink display equipment, wherein, said steps A further may further comprise the steps:
A1. judge whether to exist the illumination arrangement file of the same name,, then directly get into steps A 3,, then get into steps A 2 if do not have if having with said e-file;
A2. set up an illumination arrangement file of the same name with said e-file, the ordered series of numbers that in said newly-established illumination arrangement file, will be made up of the light threshold values is corresponding one by one with the ordered series of numbers that lighting parameter is formed; With
A3. move the illumination arrangement file.
The means of illumination of said electronic ink display equipment; Wherein, In the illumination arrangement file of in said steps A 2, being set up; Numerical value in the ordered series of numbers that said light threshold values is formed is arrangement from big to small for the numerical value of the ordered series of numbers arranging said lighting parameter from small to large and form, and the numerical value in the said light threshold values ordered series of numbers in the big more pairing lighting parameter ordered series of numbers of numerical value is more little.
The means of illumination of said electronic ink display equipment wherein, also comprises step D: the corresponding relation of adjusting light threshold values and lighting parameter according to actual needs after said step C.
The means of illumination of said electronic ink display equipment, wherein, said step D further may further comprise the steps:
D1. if screen is relative dark excessively, need to strengthen the corresponding luminous intensity of lighting device, at least one of the translation forward of the corresponding relation of the ordered series of numbers that the ordered series of numbers of then said light threshold values being formed and lighting parameter are formed; With
D2. if screen is relative bright excessively, need to reduce the corresponding luminous intensity of lighting device, at least one of the translation backward of the corresponding relation of the ordered series of numbers that the ordered series of numbers of then said light threshold values being formed and lighting parameter are formed.
The means of illumination of said electronic ink display equipment wherein, also comprises step e after said step D: the adjustment result of record light threshold values and lighting parameter corresponding relation, upgrade the illumination arrangement file.
Above-mentioned electronic ink display equipment is controlled the luminous intensity of said lighting device through light sensor testing environment light situation and according to the ambient light situation; Make electronic ink display equipment under environment with dark light, to use; And according to surround lighting adjustment luminous intensity; Avoid waste of energy and infringement user's eyesight; And can the illumination arrangement that adapt file be provided to the concrete condition of different electric son file, make the user can obtain perfect reading experience at the e-file of reading any kind.
Description of drawings
Fig. 1 is the structural representation of electronic ink display equipment preferred embodiments of the present invention;
Fig. 2 is the process flow diagram of the means of illumination preferred embodiments of electronic ink display equipment of the present invention;
Fig. 3 a, Fig. 3 b and Fig. 3 c are the synoptic diagram of light threshold values in the preferable enforcement of the present invention and lighting parameter corresponding relation.
Embodiment
Below will combine accompanying drawing, specific embodiments of the invention specifies.
With reference to figure 1; Preferred embodiments for a kind of electronic ink display equipment of the present invention; It comprises that an electric ink display screen (figure do not show), a light sensor 12, a processor 14 and one provide the lighting device 16 of illumination for the electric ink display screen; Said light sensor 12 is used for testing environment light situation to produce corresponding ambient light parameter, and said processor 14 is controlled the luminous intensity of said lighting device 16 according to the ambient light parameter that receives.
In preferred embodiments of the present invention; The outside that said lighting device 16 is positioned at said electric ink display screen is promptly near user's a side; It comprises a light source and a light-guide device; The luminous intensity of said light source receives 14 controls of said processor, its through conducting element with the light uniformly dispersing on the electric ink display screen.Be preset with some light threshold values and some lighting parameters in the said processor 14; The quantity of said light threshold values and lighting parameter is identical and corresponding one by one; Said processor will produce the ambient light parameter and the light threshold values is compared; Choose the luminous intensity of corresponding lighting parameter with the control lighting device, wherein, then the ambient light more parameters is big more by force for said ambient light; The bigger then corresponding lighting parameter of said light threshold values is more little simultaneously, makes said lighting device luminous intensity when ambient light is stronger more little.In addition; The mode of choosing of lighting parameter; Can be to choose the light threshold values pairing lighting parameter bigger, also can choose that said lighting parameter is looked the particular circuit configurations of said lighting device 16 and decided than maximum in the little a plurality of light threshold values of an ambient light parameter pairing lighting parameter than ambient light parameter; Not only comprise output power, parameters such as each intensity of light source ratio in the time of also many lighting sources can being comprised.
Above-mentioned electronic ink display equipment is controlled the luminous intensity of said lighting device 16 through light sensor 12 testing environment light situation and according to the ambient light situation; Make electronic ink display equipment under environment with dark light, to use; And, avoid waste of energy and infringement user's eyesight according to surround lighting adjustment luminous intensity.
With reference to figure 2, the preferred embodiments of the means of illumination of electronic ink display equipment provided by the invention may further comprise the steps: step S1, on electronic ink display equipment, open an e-file; Step S2, search illumination arrangement file of the same name; Step S3, judge whether there is illumination arrangement file of the same name in above-mentioned e-file file of living in or the illumination arrangement system folder; If there is illumination arrangement file of the same name; Directly get into step S5,, get into step S4 if there is not illumination arrangement file of the same name; Step S4, create illumination arrangement file of the same name, comprise the corresponding relation of some light threshold values, some lighting parameters and said light threshold values and lighting parameter in the said illumination arrangement file; Step S5, operation illumination arrangement file of the same name are compared the light threshold values in ambient light parameter and the illumination arrangement file, choose corresponding lighting parameter, according to the luminous intensity of lighting parameter control lighting device; Step S6, adjust the corresponding relation of light threshold values and lighting parameter according to actual needs; The adjustment result of step S7, record light threshold values and lighting parameter corresponding relation upgrades the illumination arrangement file; Step S8, launch new illumination arrangement file; With step S9, replace original illumination arrangement file with new illumination arrangement file.
With reference to figure 3a; In preferred embodiments of the present invention; Numerical value in light threshold values 1 to the ordered series of numbers that n formed in the illumination arrangement file of being set up among the said step S4 is for arrange from small to large; And the numerical value of said lighting parameter 1 to the ordered series of numbers that n formed is for arrange from big to small; Be that light threshold values 1 to n is an ascending series and lighting parameter 1 to n is a decreasing sequence of numbers, and light threshold values 1 to n is corresponding one by one with lighting parameter 1 to n, makes the numerical value in the pairing lighting parameter ordered series of numbers of numerical value big more in the said light threshold values ordered series of numbers more little; Thereby make lighting device luminous intensity when ambient light is more weak of said electronic ink display equipment big more, luminous intensity was more little when ambient light was stronger.
Not that each e-file can both be suitable for above-mentioned illumination arrangement file in actual application; Owing to reasons such as background color of e-file own or decorative patterns; Also can cause equal illumination parameter control down the user feel that screen crosses problem bright or that screen is dark excessively, therefore to different e-files, also need suitably adjust the corresponding relation of adjustment light threshold values in its illumination arrangement file and lighting parameter according to actual needs; With reference to figure 3b and Fig. 3 c; If screen is relative dark excessively, need to strengthen the luminous intensity of lighting device, one of the translation forward of the ordered series of numbers of then said light threshold values being formed and the corresponding relation of the ordered series of numbers of lighting parameter composition to this e-file; Make the maximum corresponding lighting parameter n-1 of light threshold values n of numerical value in its ordered series of numbers, the corresponding relation of other light threshold values and lighting parameter and the like; If screen is relative bright excessively; Need to reduce the luminous intensity of lighting device to this e-file; One of the translation backward of the ordered series of numbers of then said light threshold values being formed and the corresponding relation of the ordered series of numbers of lighting parameter composition; Make the minimum light threshold values 1 corresponding lighting parameter 2 of numerical value in its ordered series of numbers, the corresponding relation of other light threshold values and lighting parameter and the like.Here only for example with conduct of translation; Certainly also can be according to user's needs translation simultaneously multidigit; Or upset the corresponding relation of ordered series of numbers; It is corresponding that two ordered series of numbers are intersected, even the corresponding same lighting parameter of a plurality of different light rays threshold values can be set, and reduces the susceptibility of electronic ink display equipment to ambient light.
In sum; Electronic ink display equipment of the present invention is through setting up corresponding illumination arrangement file to each e-file; Make electronic ink display equipment after opening arbitrary e-file, can both adjust its brightness of illumination, can also adopt different illumination arrangement schemes to different e-files according to user's setting according to ambient light; Make the user no matter under which kind of environment, read which kind of e-file, can both obtain perfect reading experience.
Should be understood that, concerning those of ordinary skills, can improve or conversion, and all these improvement and conversion all should belong to the protection domain of accompanying claims of the present invention according to above-mentioned explanation.
Claims (9)
1. electronic ink display equipment; Comprise an electric ink display screen; It is characterized in that; Said electronic ink display equipment also comprises a light sensor, a processor and one for the electric ink display screen provides the lighting device of illumination, and said light sensor is used for testing environment light situation and produces corresponding ambient light parameter, is preset with the corresponding relation of some light threshold values, some lighting parameters and light threshold values and lighting parameter in the said processor; Said processor is compared the ambient light parameter and the light threshold values that receive, chooses the luminous intensity of corresponding lighting parameter with the control lighting device.
2. electronic ink display equipment according to claim 1 is characterized in that: said lighting device is positioned at the outside of said electric ink display screen, and it comprises a light source and a light-guide device, and the luminous intensity of said light source is controlled by said processor.
3. electronic ink display equipment according to claim 1; It is characterized in that: then the ambient light more parameters is big more by force for said ambient light; The bigger then corresponding lighting parameter of said light threshold values is more little simultaneously, makes said lighting device luminous intensity when ambient light is stronger more little.
4. the means of illumination of electronic ink display equipment according to claim 1 may further comprise the steps:
A. when electronic ink display equipment is opened an e-file, move the illumination arrangement file corresponding, comprise the corresponding relation of some light threshold values, some lighting parameters and said light threshold values and lighting parameter in the said illumination arrangement file with it;
B. the light threshold values in ambient light parameter and the illumination arrangement file is compared, choose corresponding lighting parameter; With
C. control the luminous intensity of lighting device according to lighting parameter.
5. the means of illumination of electronic ink display equipment according to claim 4, it is characterized in that: said steps A further may further comprise the steps:
A1. judge whether to exist the illumination arrangement file of the same name,, then directly get into steps A 3,, then get into steps A 2 if do not have if having with said e-file;
A2. set up an illumination arrangement file of the same name with said e-file, the ordered series of numbers that in said newly-established illumination arrangement file, will be made up of the light threshold values is corresponding one by one with the ordered series of numbers that lighting parameter is formed; With
A3. move illumination arrangement file of the same name.
6. the means of illumination of electronic ink display equipment according to claim 5; It is characterized in that: in the illumination arrangement file of in said steps A 2, being set up; Numerical value in the ordered series of numbers that said light threshold values is formed is arrangement from big to small for the numerical value of the ordered series of numbers arranging said lighting parameter from small to large and form, and the numerical value in the said light threshold values ordered series of numbers in the big more pairing lighting parameter ordered series of numbers of numerical value is more little.
7. the means of illumination of electronic ink display equipment according to claim 6 is characterized in that: after said step C, also comprise step D: the corresponding relation of adjusting light threshold values and lighting parameter according to actual needs.
8. the means of illumination of electronic ink display equipment according to claim 7, it is characterized in that: said step D further may further comprise the steps:
D1. if screen is relative dark excessively, need to strengthen the corresponding luminous intensity of lighting device, at least one of the translation forward of the corresponding relation of the ordered series of numbers that the ordered series of numbers of then said light threshold values being formed and lighting parameter are formed; With
D2. if screen is relative bright excessively, need to reduce the corresponding luminous intensity of lighting device, at least one of the translation backward of the corresponding relation of the ordered series of numbers that the ordered series of numbers of then said light threshold values being formed and lighting parameter are formed.
9. the means of illumination of electronic ink display equipment according to claim 8 is characterized in that: after said step D, also comprise step e: the adjustment result of record light threshold values and lighting parameter corresponding relation, renewal illumination arrangement file.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101130841A CN101789220B (en) | 2010-02-10 | 2010-02-10 | Electronic ink display equipment and illumination method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101130841A CN101789220B (en) | 2010-02-10 | 2010-02-10 | Electronic ink display equipment and illumination method thereof |
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| CN101789220A CN101789220A (en) | 2010-07-28 |
| CN101789220B true CN101789220B (en) | 2012-07-04 |
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| CN2010101130841A Expired - Fee Related CN101789220B (en) | 2010-02-10 | 2010-02-10 | Electronic ink display equipment and illumination method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106251827B (en) * | 2016-07-26 | 2018-09-11 | 广东欧珀移动通信有限公司 | Control method and control device |
| CN107801282B (en) * | 2017-10-12 | 2020-03-17 | 北京小米移动软件有限公司 | Desk lamp and desk lamp control method and device |
| CN112055452A (en) * | 2020-09-03 | 2020-12-08 | 惠州Tcl移动通信有限公司 | Light source brightness control method and device and terminal |
| CN113075830A (en) * | 2021-04-15 | 2021-07-06 | 合肥京东方卓印科技有限公司 | Magnetic handwriting screen and manufacturing method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1794044A (en) * | 2005-12-28 | 2006-06-28 | 南京Lg同创彩色显示系统有限责任公司 | Liquid crystal display capable of automatic regulating brightness and its regulating method |
| CN2814580Y (en) * | 2005-03-23 | 2006-09-06 | 深圳Tcl新技术有限公司 | Display screen for portable electronic equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US6897851B2 (en) * | 2001-01-05 | 2005-05-24 | International Business Machines Corporation | Methods and apparatus for formatted entry of electronic ink |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2814580Y (en) * | 2005-03-23 | 2006-09-06 | 深圳Tcl新技术有限公司 | Display screen for portable electronic equipment |
| CN1794044A (en) * | 2005-12-28 | 2006-06-28 | 南京Lg同创彩色显示系统有限责任公司 | Liquid crystal display capable of automatic regulating brightness and its regulating method |
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