CN101794554A - Method and device for adjusting brightness in paper-like display device and paper-like display system - Google Patents
Method and device for adjusting brightness in paper-like display device and paper-like display system Download PDFInfo
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- CN101794554A CN101794554A CN 201010138784 CN201010138784A CN101794554A CN 101794554 A CN101794554 A CN 101794554A CN 201010138784 CN201010138784 CN 201010138784 CN 201010138784 A CN201010138784 A CN 201010138784A CN 101794554 A CN101794554 A CN 101794554A
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/3433—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using light modulating elements actuated by an electric field and being other than liquid crystal devices and electrochromic devices
- G09G3/344—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using light modulating elements actuated by an electric field and being other than liquid crystal devices and electrochromic devices based on particles moving in a fluid or in a gas, e.g. electrophoretic devices
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2320/00—Control of display operating conditions
- G09G2320/06—Adjustment of display parameters
- G09G2320/0626—Adjustment of display parameters for control of overall brightness
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2360/00—Aspects of the architecture of display systems
- G09G2360/14—Detecting light within display terminals, e.g. using a single or a plurality of photosensors
- G09G2360/144—Detecting light within display terminals, e.g. using a single or a plurality of photosensors the light being ambient light
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- Controls And Circuits For Display Device (AREA)
Abstract
The embodiment of the invention relates to a method and a device for adjusting brightness in a paper-like display device and a paper-like display system. The method comprises the following steps: detecting the brightness of ambient light of the paper-like display device to acquire an ambient light intensity value; comparing the ambient light intensity value with a preset adjusting threshold parameter to acquire a comparison result; and adjusting the light intensity value of an illumination system of the paper-like display device according to the comparison result. The ambient light intensity value is compared with the preset adjusting threshold parameter so that the illumination system of the paper-like display device adjusts the ambient light intensity value according to the ambient of the paper-like display device; therefore, the method and the device for adjusting the brightness in the paper-like display device and the paper-like display system promote the experiences of users during reading the paper-like display device, and effectively reduce the electrical energy consumption of the illumination system of the paper-like display device.
Description
Technical field
The embodiment of the invention relates to electronic technology field, especially brightness adjusting method and device, paper-like display system in the kind paper display device.
Background technology
Along with fast development of computer technology, the display technique that the realization sensitive paper is equally read is used and is given birth to, and is also referred to as electronic paper technology; Electric ink is as a kind of specific implementation of electronic paper technology, each microcapsules wherein comprise positively charged white particle and electronegative black track producing particle, black track producing particle, white particle are all at clear liquid suspension, when the negative pole electric field is set, white particle moves to the microcapsules top, the visible white particle of reader is white apparently herein.Equally, opposite electric field is moved black track producing particle to the microcapsules top, and white particle is hidden.This moment process the other way around, black track producing particle occurs at the capsule top, is black apparently.
Electric ink has many advantages, comprises legibility, flexibility, easily cheap manufacturing and low-power consumption.Compare with other display technique, the reflectivity and the contrast of electric ink are preferable, are that the matchmaker that people feel well when reading and handling stops.Electric ink is different from other and shows that technology can keep image to reach several weeks, and does not expend any extra electric energy.
In realizing process of the present invention, the inventor finds that there are the following problems at least in the prior art: because electric ink itself is not luminous, also do not support backlightly, therefore can only rely on reflected light and read, place at insufficient light can't be read, and influences user experience.
Summary of the invention
The purpose of the embodiment of the invention is to provide brightness adjusting method and device in the kind paper display device, paper-like display system, improves the experience that the user reads the electrical type books.
The embodiment of the invention provides brightness adjusting method in the kind paper display device, comprising:
The brightness of the surround lighting at detection type paper display device place obtains the ambient light intensity value;
Described ambient light intensity value and the adjusting threshold parameter of presetting are compared, obtain comparative result;
According to described comparative result the light intensity value of the illuminator of described class paper display device is regulated.
The embodiment of the invention provides a kind of brightness regulating apparatus, comprising:
Detection module is used for the brightness of the surround lighting at detection type paper display device place, obtains the ambient light intensity value;
First comparison module is used for described ambient light intensity value and the adjusting threshold parameter of presetting are compared, and obtains comparative result;
First adjustment module is used for according to described comparative result the light intensity value of the illuminator of described class paper display device being regulated.
The embodiment of the invention provides a kind of paper-like display system, comprising: class paper display device, the described brightness regulating apparatus of technique scheme; Described brightness regulating apparatus is used to regulate the illuminator of described class paper display device.
Brightness adjusting method and device, paper-like display system in the class paper display device that the embodiment of the invention provides, compare by ambient light intensity value and the adjusting threshold parameter of presetting, make the illuminator of class paper display device regulate the ambient light intensity value according to the environment at class paper display device place, promote the experience that the user reads the class paper display device, reduced the power consumption of the illuminator of class paper display device effectively.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the schematic flow sheet of an embodiment of brightness adjusting method in the class paper display device of the present invention;
Fig. 2 is the schematic flow sheet of another embodiment of brightness adjusting method in the class paper display device of the present invention;
Fig. 3 is the schematic flow sheet of another embodiment of brightness adjusting method in the class paper display device of the present invention;
Fig. 4 is the structural representation of an embodiment of brightness regulating apparatus of the present invention;
Fig. 5 is the structural representation of another embodiment of brightness regulating apparatus of the present invention;
The structural representation of an embodiment of Fig. 6 paper-like display system of the present invention;
Fig. 7 is a structural representation of the paper-like display system in embodiment illustrated in fig. 6;
Fig. 8 is another structural representation of the paper-like display system in embodiment illustrated in fig. 6;
Fig. 9 is another structural representation of the paper-like display system in embodiment illustrated in fig. 6;
Figure 10 is the structural representation of middle writing pencil embodiment illustrated in fig. 9;
Figure 11 is another structural representation of the paper-like display system in embodiment illustrated in fig. 6.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that is obtained under the creative work prerequisite.
Fig. 1 is the schematic flow sheet of an embodiment of brightness adjusting method in the class paper display device of the present invention, and as shown in Figure 1, present embodiment comprises the steps:
The brightness of the surround lighting at step 101, detection type paper display device place obtains the ambient light intensity value;
Brightness adjusting method in the class paper display device that the embodiment of the invention provides, compare by ambient light intensity value and the adjusting threshold parameter of presetting, make the illuminator of class paper display device regulate the ambient light intensity value according to the environment at class paper display device place, promote the user and read experience in the class paper display device, reduced the power consumption of the illuminator of class paper display device effectively.
Fig. 2 is the schematic flow sheet of another embodiment of brightness adjusting method in the class paper display device of the present invention, and as shown in Figure 2, present embodiment comprises the steps:
The brightness of the surround lighting at step 201, detection type paper display device place obtains the ambient light intensity value;
Wherein, the brightness of surround lighting that can be by the ambient light sensor detection type paper display device place in the illuminator that is arranged on the class paper display device detects the ambient light intensity around the class paper display device place; This ambient light sensor is specifically as follows photodiode or phototriode;
Wherein, regulating threshold parameter can be provided with according to the actual photoenvironment at paper-like display system place, also can be provided with according to the brightness of illumination that the user is accustomed to self, for example: default adjusting threshold parameter can be set to two and regulate threshold parameter: first regulates threshold parameter and second regulates threshold parameter, wherein first regulate threshold parameter and be used to regulate illuminator it is regulated to high brightness by low-light level, second regulates threshold parameter is used to regulate illuminator it is regulated to low-light level by high brightness.
Particularly, corresponding with above-mentioned steps 202, regulate threshold parameter if comparative result is the ambient light intensity value less than first, the illuminator by the class paper display device transfers to the ambient light intensity value of class paper display device and is greater than or equal to first and regulates threshold parameter; Particularly, when the ambient light intensity value is regulated threshold parameter less than first, show that the surround lighting at class paper display device place is darker at this moment, at this moment, by illuminator the ambient light intensity value at class paper display device place is transferred to and to be greater than or equal to this and first to regulate threshold parameter, if comparative result is regulated threshold parameter for the ambient light intensity value is greater than or equal to second, show that the surround lighting at class paper display device place is brighter at this moment, at this moment, by illuminator the ambient light intensity value at class paper display device place is transferred to and to be less than or equal to this and second to regulate threshold parameter, dim by the ambient light intensity value of illuminator, reduce the power consumption of the illuminator of class paper display device effectively class paper display device place;
Wherein, in step 204 and step 205, for the power consumption of the illuminator of saving the class paper display device, by the luminous position of control illuminator in the class paper display device, the current character area that is showing is illuminated, and the current zone that does not need to show is not illuminated; For example: can be with the first half zone of the display screen of class paper display device character area as user's current reading, the word content that the user reads enters in this viewing area with roll mode, because this viewing area is illuminated, so the user can read in this viewing area; Because the latter half zone is not illuminated for the zone that does not need to show, therefore reduce the power consumption of the illuminator of class paper display device effectively.
Brightness adjusting method in the class paper display device that the embodiment of the invention provides, compare by ambient light intensity value and the adjusting threshold parameter of presetting, make the illuminator of class paper display device regulate according to the ambient light intensity value at class paper display device place, promote the experience that the user reads the class paper display device, reduced the power consumption of class paper display device Dare illuminator effectively.
In addition, on the basis of embodiment illustrated in figures 1 and 2, can also comprise the flow process of the illuminator of opening the class paper display device, Fig. 3 is the schematic flow sheet of another embodiment of brightness adjusting method in the class paper display device of the present invention, as shown in Figure 3, present embodiment comprises the steps:
The brightness of the surround lighting at step 301, detection type paper display device place obtains the ambient light intensity value;
When the ambient light intensity value be less than or equal to default being used to determine whether to close such paper display device illuminator close threshold parameter the time, show the illuminator that this moment, surround lighting needed to open such paper display device than dark or user under this ambient light intensity, realize automatically the illuminator of such paper display device being opened by opening illuminator, promote the experience that the user reads the class paper display device.
After opening illuminator, can also carry out above-mentioned Fig. 1 or flow process embodiment illustrated in fig. 2 according to the situation of the actual reading of user class paper display device.
Wherein, closing threshold parameter can be provided with according to actual photoenvironment, also can be provided with according to the brightness of illumination that the user is accustomed to self; When the ambient light intensity value greater than the illuminator that is used to determine whether to close such paper display device close threshold parameter the time, show that the brighter or user of surround lighting this moment can accept this brightness of illumination, dim or close by the illuminating lamp with illuminator, realization reduces the power consumption of the illuminator of class paper display device effectively.
The foregoing description, compare by ambient light intensity value and the unlatching threshold parameter that sets in advance, realized opening automatically the illuminator of class paper display device according to the environment at class paper display device place, compare by ambient light intensity value and the threshold parameter of presetting of closing, realized according to the class paper display device environment close the illuminator of such paper display device automatically, therefore promote the experience that the user reads the class paper display device greatly, reduced the power consumption of the illuminator of class paper display device effectively.
Fig. 4 is the structural representation of an embodiment of brightness regulating apparatus of the present invention, and as shown in Figure 4, present embodiment comprises: detection module 41, first comparison module 42, first adjustment module 43;
Wherein, the brightness of the surround lighting at detection module 41 detection type paper display device places obtains the ambient light intensity value; First comparison module 42 compares described ambient light intensity value and the adjusting threshold parameter of presetting, and obtains comparative result; First adjustment module 43 is regulated the light intensity value of the illuminator of described class paper display device according to described comparative result.
The brightness regulating apparatus that the embodiment of the invention provides, by first comparison module 42 ambient light intensity value and the adjusting threshold parameter of presetting are compared, the light intensity value of the illuminator of the 43 pairs of class paper display devices of adjustment module of winning is regulated, promote the experience that the user reads the class paper display device, reduced the power consumption of the illuminator of class paper display device effectively.
Fig. 5 is the structural representation of another embodiment of brightness regulating apparatus of the present invention, as shown in Figure 5, the brightness regulating apparatus in the present embodiment 50 comprises: detection module 51, first comparison module 52, first adjustment module 53, acquisition module 54, control module 55, second comparison module 56, opening module 57, closing module 58;
Wherein, the brightness of the surround lighting at detection module 51 detection type paper display device places obtains the ambient light intensity value; First comparison module 52 compares described ambient light intensity value and the adjusting threshold parameter of presetting, and obtains comparative result; First adjustment module 53 is regulated the light intensity value of the illuminator of described class paper display device according to described comparative result; Second comparison module 56 determines whether that with described ambient light intensity value and default being used to the unlatching threshold parameter of the illuminator of the described class paper display device of needs unlatching compares; Be less than or equal to described unlatching threshold parameter as if described ambient light intensity value, then the illuminator of the described class paper display device of opening module 57 unlatchings; The threshold parameter of closing that second comparison module 56 also is used for described ambient light intensity value and default being used to are determined whether to close the illuminator of described class paper display device compares, if described ambient light intensity value be greater than or equal to default being used to determine whether to close described class paper display device illuminator close threshold parameter, then closing module 58 is closed the illuminator of described class paper display device; Acquisition module 54 obtains the character area of the current demonstration of described class paper display device; The illuminator of the described class paper display device of control module 55 controls makes described illuminator illuminate the character area of described current demonstration.
Further, first adjustment module 53 can also comprise: first regulon 531 and second regulon 532; Wherein, if described ambient light intensity value is regulated threshold parameter less than described first, then the illuminator of first regulon 531 by described class paper display device transfers to the ambient light intensity value of described class paper display device and is less than or equal to described first and regulates threshold parameter; If described ambient light intensity value is greater than or equal to described second and regulates threshold parameter, then the illuminator of second regulon 532 by described class paper display device with the ambient light intensity value of described class paper display device transfer to less than or Eng and the described second adjusting threshold parameter.
The brightness regulating apparatus that the embodiment of the invention provides, by first comparison module 52 ambient light intensity value and the adjusting threshold parameter of presetting are compared, the light intensity value of the illuminator of the 53 pairs of class paper display devices of adjustment module of winning is regulated, promote the experience that the user reads the class paper display device, reduced the power consumption of the illuminator of class paper display device effectively; Second comparison module 56 makes opening module 57 realize opening automatically according to the ambient light intensity value at class paper display device place the illuminator of class paper display device by ambient light intensity value and the unlatching threshold parameter of presetting are compared; Compare by ambient light intensity value and the threshold parameter of presetting of closing, make closing module 58 realize closing automatically the illuminator of class paper display device according to the ambient light intensity value at class paper display device place, therefore promote the experience that the user reads the class paper display device greatly, effectively reduced the power consumption of the illuminator of class paper display device.
The structural representation of an embodiment of Fig. 6 paper-like display system of the present invention, as shown in Figure 6, present embodiment comprises: class paper display device 61, brightness regulating apparatus 62; Wherein, the brightness of the surround lighting at brightness regulating apparatus 62 detection type paper display devices 61 places, obtain the ambient light intensity value, described ambient light intensity value and the adjusting threshold parameter of presetting are compared, obtain comparative result, the light intensity value of the illuminator of class paper display device 61 is regulated according to described comparative result;
Brightness regulating apparatus 62 is specifically as follows Fig. 4 or the described brightness regulating apparatus of Fig. 5.
The paper-like display system that the embodiment of the invention provides, by brightness regulating apparatus 62 ambient light intensity value and the adjusting threshold parameter of presetting are compared, according to comparative result the light intensity value of the illuminator of class paper display device is regulated, promote the experience that the user reads class paper display device 61, reduced the power consumption of the illuminator of class paper display device 61 effectively.
In order more to be expressly understood the embodiment of the invention, the structure to the paper-like display system in embodiment illustrated in fig. 6 describes in detail below.
Fig. 7 is a structural representation of the paper-like display system in embodiment illustrated in fig. 6, and as shown in Figure 7, the paper-like display system in the present embodiment comprises: fuselage 72, fuselage 72 are provided with the groove 75 of the support 73 that is used for the built-in lighting system; The end of support 73 is provided with the illuminating lamp 74 of regulating the environment light intensity value; In addition, also be provided with electric ink screen 71, button 76 on the fuselage 72 of class paper display device; Specifically be that (Light-Emitting Diode is called for short: LED) carry out exemplary illustration light emitting diode with the illuminating lamp in the illuminator below.
Wherein, support 73 is a hollow structure, and hollow structure can be hidden the circuit of LED74; When the class paper display device is in well-lighted photoenvironment, the user does not need to use LED74 to throw light on, and can be hidden in support 73 in the groove 75 this moment, because support 73 need not take space outerpace, therefore dwindled the shared space of class paper display device, be convenient to the user and carry; When the class paper display device is in the photoenvironment of insufficient light, support 73 can be taken out from groove 75 and stretch, and open LED74 according to above-mentioned method flow embodiment illustrated in fig. 3, formed a lighting source electric ink screen 71 has been thrown light on; In addition, the taking-up mode of support 73 can manually be finished by the user, also can support 73 be stretched automatically from groove 75 by modes such as buttons 76; After stretching, support 73 make the position of LED74 be positioned at the top of electric ink screen 71 just.
Wherein, folding bracket shown in Figure 7 only is an exemplary illustration, and support 73 can also be the drawing and pulling type support.
The structure of the paper-like display system in the present embodiment because LED74 is arranged on the top of electric ink screen 71, makes that the illumination of electric ink screen 71 is more even, has reached the experience of reading paper book under light, and reading effect is better; And simple in structure, realize that cost is low, can be not influential to electric ink screen 71 contrast and sharpness own; Brightness regulating apparatus is regulated intensity of illumination automatically according to surround lighting, has improved the experience of reading the class paper display device, has improved the illumination efficiency of class paper display device.
Fig. 8 is another structural representation of the paper-like display system in embodiment illustrated in fig. 6, and as shown in Figure 8, the paper-like display system in the present embodiment comprises: fuselage 82, renovate 84 with fuselage 82 flexibly connects; Wherein, renovate 84 and be provided with the illuminating lamp that is used to regulate the environment light intensity value.In addition, also be provided with electric ink screen 81 on the fuselage 82 of class paper display device, be arranged on the button 83 on the fuselage 82; Specifically be that LED carries out exemplary illustration with the illuminating lamp in the illuminator below.
Wherein, a plurality of LED85 are arranged on and renovate on 84, and Fig. 8 only carries out exemplary illustration so that 4 LED to be set in the illuminator; Renovate 84 and just can make LED85 illuminate electric ink screen 81 at an angle by LED85 being set renovating on 84, making with electric ink screen 81.
When the class paper display device is in the photoenvironment of insufficient light, can open LED85 according to above-mentioned method flow embodiment illustrated in fig. 3, formed a lighting source electric ink screen 81 has been thrown light on, also can regulate the brightness of electric ink screen 81 according to above-mentioned Fig. 1 or method flow shown in Figure 2; In addition, renovate 84 and renovate form about both can be shown in Figure 8, can also be last down turnover cover form, Fig. 8 only can not constitute restriction to the embodiment of the invention for exemplary illustration.
Paper-like display system in the present embodiment is renovated on 84 because a plurality of LED85 in the illuminator evenly are arranged on, and makes that the illumination of electric ink screen 81 is more even, and structural design is compact more.
Replacedly, above-mentioned embodiment illustrated in fig. 8 in, (Organic Light-Emitting Diode is called for short: OLED) replace LED to throw light on can to adopt plane distribution formula organic electroluminescent LED; Wherein plane distribution formula OLED lamp is made up of the multilayer film device, does substrate by paper tinsel, film, rigidity or flexible plate that is:, is made up of electrode layer, active material layer and protection restraining barrier etc., needs at least one electrode pair optical transparency.Different with pointolite is, plane distribution formula OLED lamp is a kind of distributed (perhaps distributed mode) planar solid light source, having is advantage such as in light weight, ultra-thin, soft, bright, few shade, and energy consumption is low, O﹠M safety, efficiency height, life-span are long, filament breaking phenomenon and durable can not take place.
By plane distribution formula OLED lamp is covered on the surface of renovating of paper-like display system, form a planar light source display screen of electric ink is illuminated, the homogeneity of planar light source brightness is than the better effects if of the LED lamp of pointolite.Further, can open LED85 according to above-mentioned method flow embodiment illustrated in fig. 3, having formed a lighting source throws light on to electric ink screen 81, also can regulate the brightness of electric ink screen 81 according to above-mentioned Fig. 1 or method flow shown in Figure 2, automatically regulate intensity of illumination by brightness regulating apparatus according to surround lighting, improve the experience of reading the class paper display device, improved the illumination efficiency of class paper display device.
Fig. 9 is another structural representation of the paper-like display system in embodiment illustrated in fig. 6, Figure 10 be embodiment illustrated in fig. 9 in the structural representation of writing pencil, as Fig. 9 and shown in Figure 10, the paper-like display system in the present embodiment comprises: writing pencil 95; Writing pencil 95 is installed in the fuselage 92; In addition, also be provided with electric ink screen 91 on the fuselage 82 of class paper display device, be arranged on the button 93 on the fuselage 92, for example: be used to install writing pencil 95 by offer groove in fuselage 92, the end of writing pencil 95 is provided with the illuminating lamp that is used to regulate the environment light intensity value.
Present embodiment specifically is that LED96 carries out exemplary illustration with illuminating lamp, the end of writing pencil 95 is provided with LED96, open LED96 by switch 97 or automatic mode, and can regulate brightness by above-mentioned Fig. 1 or method flow embodiment illustrated in fig. 2, can also open LED96 by above-mentioned method flow embodiment illustrated in fig. 3; Writing pencil 95 can be installed in the writing pencil groove in the fuselage 92, when needs start LED96 and throw light on, and can be by the LED96 on the writing pencil 95 as lighting source.The brightness of writing pencil mounted LEDs can be regulated automatically according to ambient lighting on every side, also can be by manually regulating.When automatically adjusting brightness, can by on writing pencil 95, be provided with above-mentioned Fig. 4 or embodiment illustrated in fig. 5 in brightness regulating apparatus, and carry out brightness regulation by above-mentioned Fig. 1 or method flow embodiment illustrated in fig. 2, can also open LED96 by above-mentioned method flow embodiment illustrated in fig. 3.
Figure 11 is another structural representation of the paper-like display system in embodiment illustrated in fig. 6, and as shown in figure 10, the paper-like display system in the present embodiment comprises: fuselage 12, be arranged on the electric ink screen 11 on the fuselage 12; The frame of electric ink screen 11 is provided with the plane organic electroluminescent LED; In addition, also be provided with button 13 on the fuselage 12 of paper-like display system.
Wherein, be provided with plane OLED14, be provided with plane OLED14, formed uniform light source by the frame place around electric ink screen 11 at the frame of electric ink screen 11; In addition, electric quantity consumption for the illuminator of saving the class paper display device, paper-like display system can control plane OLED14 luminous position, make the current zone that needs to show be illuminated (zone that this zone that need show for example can read for the user is current), and the current zone that does not need to show is not illuminated; For example: the zone that the first half zone of electric ink screen 11 can be shown as current needs, the content that each user reads shows in this first half zone with roll mode, the plane OLED14 of this zone correspondence illuminates, so the user can read in this first half zone; In the latter half of electric ink screen 11 zone owing to be not used as the viewing area, so the corresponding plane OLED14 in this latter half zone do not illuminate, thereby reduce the power consumption of the illuminator of class paper display device effectively.
Further, in the embodiment of the invention, can detect the brightness of the surround lighting at paper-like display system place, and the brightness transition of surround lighting is become electric energy by ambient light sensor; Particularly, ambient light sensor can use photodiode or phototriode; On the shell of photodiode, offer an embedding and the window of glass, so that light is injected, in addition, in order to increase light-receiving area, the area of PN junction (PNjunction) is done greatlyyer, photodiode is operated under the back-biased duty, and be in series with pull-up resistor, when unglazed according to the time, photodiode is the same with general-purpose diode, inverse current very little (＜μ A) is called the dark current of photodiode; When illumination, charge carrier is excited, and produces electronics-hole, is called photocurrent carrier.Under the effect of electric field, photocurrent carrier participates in conduction outside, forms the inverse current more much bigger than dark current, and this inverse current is called photocurrent.The size of photocurrent is directly proportional with intensity of illumination, so just can obtain the electric signal that changes with intensity of illumination on pull-up resistor.Phototriode can convert light signal to the function of electric signal except having photodiode, also have the function that electric signal is amplified, and phototriode has higher sensitivity than photodiode.Can select suitable ambient light sensor according to actual needs.
Class paper display device described in the embodiment of the invention is specifically as follows the e-book that adopts electric ink (E-Ink) technology to realize electronic reading, can also realize the palm reader of electronic reading for adopting lcd technology.
The those skilled in the art can be well understood to, and is the convenience described and succinct, and the concrete course of work of the system of foregoing description, equipment, module and unit can not repeat them here with reference to the corresponding process among the preceding method embodiment.
One of ordinary skill in the art will appreciate that: all or part of step that realizes the foregoing description can be finished by the relevant hardware of programmed instruction, aforesaid program can be stored in the computer read/write memory medium, this program is carried out the step that comprises said method embodiment when carrying out; And aforesaid storage medium comprises: various media that can be program code stored such as ROM, RAM, magnetic disc or CD.
It should be noted that at last: above embodiment only in order to technical scheme of the present invention to be described, is not intended to limit; Although with reference to previous embodiment the present invention is had been described in detail, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (15)
1. brightness adjusting method in the kind paper display device is characterized in that, comprising:
The brightness of the surround lighting at detection type paper display device place obtains the ambient light intensity value;
Described ambient light intensity value and the adjusting threshold parameter of presetting are compared, obtain comparative result;
According to described comparative result the light intensity value of the illuminator of described class paper display device is regulated.
2. method according to claim 1, it is characterized in that, described default adjusting threshold parameter is that the first adjusting threshold parameter and second is regulated threshold parameter, and the described light intensity value of the illuminator of described class paper display device the adjusting according to described comparative result comprises:
If described ambient light intensity value is regulated threshold parameter less than described first, the illuminator by described class paper display device transfers to the ambient light intensity value at described class paper display device place and is greater than or equal to described first and regulates threshold parameter;
If described ambient light intensity value is greater than or equal to described second and regulates threshold parameter, the illuminator by described class paper display device transfers to the ambient light intensity value of described class paper display device and is less than or equal to described second and regulates threshold parameter.
3. method according to claim 1 is characterized in that, also comprises:
If described ambient light intensity value be greater than or equal to default being used to determine whether to close described class paper display device illuminator close threshold parameter, then close the illuminator of described class paper display device.
4. method according to claim 1 is characterized in that, also comprises:
The unlatching threshold parameter that described ambient light intensity value and default being used to is determined whether the illuminator of the described class paper display device of needs unlatching compares;
If described ambient light intensity value is less than or equal to described unlatching threshold parameter, the illuminator of then opening described class paper display device.
5. according to the arbitrary described method of claim 1～4, it is characterized in that, also comprise:
Obtain the character area of the current demonstration of described class paper display device;
The illuminator of controlling described class paper display device makes described illuminator illuminate the character area of described current demonstration.
6. a brightness regulating apparatus is characterized in that, comprising:
Detection module is used for the brightness of the surround lighting at detection type paper display device place, obtains the ambient light intensity value;
First comparison module is used for described ambient light intensity value and the adjusting threshold parameter of presetting are compared, and obtains comparative result;
First adjustment module is used for according to described comparative result the light intensity value of the illuminator of described class paper display device being regulated.
7. device according to claim 6 is characterized in that, described default adjusting threshold parameter is that the first adjusting threshold parameter and second is regulated threshold parameter, and described first adjustment module comprises:
First regulon, be used for if described ambient light intensity value is regulated threshold parameter less than described first, the illuminator by described class paper display device transfers to the ambient light intensity value of described class paper display device and is less than or equal to described first and regulates threshold parameter;
Second regulon, be used for regulating threshold parameter if described ambient light intensity value is greater than or equal to described second, the illuminator by described class paper display device transfers to the ambient light intensity value of described class paper display device and is less than or equal to described second and regulates threshold parameter.
8. device according to claim 6 is characterized in that, also comprises:
Second comparison module is used for described ambient light intensity value and default being used to are determined whether that the unlatching threshold parameter of the illuminator of the described class paper display device of needs unlatching compares;
Opening module is used for if described ambient light intensity value is less than or equal to described unlatching threshold parameter, the illuminator of then opening described class paper display device.
9. device according to claim 6 is characterized in that, also comprises:
Closing module, be used for if described ambient light intensity value be greater than or equal to default being used to determine whether to close described class paper display device illuminator close threshold parameter, then close the illuminator of described class paper display device.
10. according to the arbitrary described device of claim 6～9, it is characterized in that, also comprise:
Acquisition module is used to obtain the character area of the current demonstration of described class paper display device;
Control module, the illuminator that is used to control described class paper display device makes described illuminator illuminate the character area of described current demonstration.
11. a paper-like display system is characterized in that, comprising: class paper display device, the arbitrary described brightness regulating apparatus of claim 6～10;
Described brightness regulating apparatus detects the brightness of the surround lighting at described class paper display device place, obtain the ambient light intensity value, described ambient light intensity value and the adjusting threshold parameter of presetting are compared, obtain comparative result, the light intensity value of the illuminator of described class paper display device is regulated described brightness regulating apparatus according to described comparative result.
12. system according to claim 11 is characterized in that, described class paper display device comprises: fuselage, and described fuselage is provided with the groove of the support that is used for the built-in lighting system; The end of described support is provided with the illuminating lamp that is used to regulate the environment light intensity value.
13. system according to claim 11 is characterized in that, described class paper display device comprises: fuselage, with renovating that described fuselage flexibly connects; Described renovating is provided with the illuminating lamp that is used to regulate the environment light intensity value.
14. system according to claim 11 is characterized in that, described class paper display device comprises: writing pencil, the end of described writing pencil is provided with the illuminating lamp that is used to regulate the environment light intensity value.
15. system according to claim 11 is characterized in that, described class paper display device comprises: fuselage, be arranged on the electric ink screen on the described fuselage; The frame of described electric ink screen is provided with the plane organic electroluminescent LED.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010138784 CN101794554A (en) | 2010-03-31 | 2010-03-31 | Method and device for adjusting brightness in paper-like display device and paper-like display system |
| PCT/CN2011/072311 WO2011120434A1 (en) | 2010-03-31 | 2011-03-30 | Method and device for adjusting brightness in paper-like display device and paper-like display system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010138784 CN101794554A (en) | 2010-03-31 | 2010-03-31 | Method and device for adjusting brightness in paper-like display device and paper-like display system |
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| Publication Number | Publication Date |
|---|---|
| CN101794554A true CN101794554A (en) | 2010-08-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010138784 Pending CN101794554A (en) | 2010-03-31 | 2010-03-31 | Method and device for adjusting brightness in paper-like display device and paper-like display system |
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| Country | Link |
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| CN (1) | CN101794554A (en) |
| WO (1) | WO2011120434A1 (en) |
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| WO2011120434A1 (en) | 2011-10-06 |
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