CN102148020A - Light-to-dark transition display device, display and brightness adjusting method - Google Patents
Light-to-dark transition display device, display and brightness adjusting method Download PDFInfo
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- CN102148020A CN102148020A CN2010101146765A CN201010114676A CN102148020A CN 102148020 A CN102148020 A CN 102148020A CN 2010101146765 A CN2010101146765 A CN 2010101146765A CN 201010114676 A CN201010114676 A CN 201010114676A CN 102148020 A CN102148020 A CN 102148020A
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Abstract
The invention provides a light-to-dark transition display device, a display and a brightness adjusting method. The display is provided with an ambient brightness, a display content and a display background, wherein the display background is provided with a display brightness and comprises a photodetector for detecting the ambient brightness and adjusting the display brightness of the display background according to the ambient brightness, so that a user can easily read the display content.
Description
Technical field
The present invention relates to a kind of bright blackout and change display device, refer to that especially a kind of bright blackout with an OPTICAL SENSORS changes display device, display and luminance regulating method thereof.
Background technology
Existing electric paper display does not have backlight, so when environment light source is not enough, can meaningful unintelligible sensation.So for improving the result of use of electric paper display, need brightness badly by the sensing external environment, whether decision according to this changes display mode, and can when environment is dim, increase the picture lightness, sharpness and comfort level so that lifting gear is read make things convenient for the user to read a content of this electric paper display.
At above-mentioned reason, the inventor is an idea of thinking and improve invention in view of the defective of prior art, has proposed bright blackout of the present invention and has changed display device.
Summary of the invention
The fundamental purpose of this case is to provide a kind of bright blackout with OPTICAL SENSORS to change display device, brightness with the sensing external environment, this OPTICAL SENSORS is electrically connected with a control circuit, brightness by this OPTICAL SENSORS sensing external world, whether decision according to this changes an ambient bright or the dim display mode of an environment, and can when environment is dim, increase the picture lightness, sharpness and comfort level so that lifting gear is read make things convenient for the user to read a content of this electric paper display.
The another fundamental purpose of this case is to provide a kind of bright blackout to change display device, has an ambient brightness, one displaying contents and a display background, this displaying contents and this display background have a shading value separately, comprise an OPTICAL SENSORS, detect an ambient brightness, an and controller, be electrically connected this OPTICAL SENSORS, when this ambient brightness during more than or equal to a predetermined value, this shading value that makes this displaying contents is for dark, and this shading value of this display background is bright, when this ambient brightness during less than a predetermined value, this shading value that makes this displaying contents is bright, and this shading value of this display background is dark, so that the user is easy to read this displaying contents.
Next fundamental purpose of this case is to provide a kind of display, has an ambient brightness, a displaying contents and a display background, this display background has a display brightness, comprise an OPTICAL SENSORS, detect this ambient brightness, and according to this ambient brightness, to adjust this display brightness of this display background, so that the user is easy to read this displaying contents.
Another fundamental purpose of this case is to provide a kind of method for regulating brightness of display, comprises following step: one second brightness of the display background of one first brightness of displaying contents of a display and a display is provided; The ambient brightness of sensing one display; When this ambient brightness during more than or equal to a predetermined value, adjust this and first make this first brightness less than this second brightness or when this ambient brightness during less than this predetermined value with this second brightness, adjust this first and this second brightness make this first brightness greater than this second brightness.
A fundamental purpose again of this case is to provide a kind of method for regulating brightness of display, comprises following step: the display brightness that the displaying contents of a display is provided; The ambient brightness of sensing one display; And according to this ambient brightness to adjust this display brightness, so that the user is easy to read this displaying contents.
The another fundamental purpose of this case is to provide a kind of method for regulating brightness of display, comprises following step: the display brightness that the display background of the displaying contents of a display and a display is provided; The ambient brightness of sensing one display; And according to this ambient brightness to adjust this display brightness, so that the user is easy to read this displaying contents.
For above-mentioned purpose of the present invention, feature and advantage can be become apparent, preferred embodiment cited below particularly, and conjunction with figs. are described in detail below.
Description of drawings
Fig. 1 one changes display device according to the bright blackout of the preferred embodiment of the present invention conception, when it is positioned at an ambient bright state, and the synoptic diagram of its display screen;
Fig. 2 one changes display device according to the bright blackout of the preferred embodiment of the present invention conception, when it is positioned at an environment dim dark state, and the synoptic diagram of its display screen;
Fig. 3 one changes the calcspar of display device according to the bright blackout of the preferred embodiment of the present invention conception; And
Fig. 4 is a process flow diagram according to the luminance regulating method of the display of the preferred embodiment of the present invention conception.
The main element symbol description:
1: display device 10 is changed in bright blackout: OPTICAL SENSORS
11: central processing unit 111: controller
112: picture driving element 12: display screen
Embodiment
Fig. 1 one changes display device according to the bright blackout of the preferred embodiment of the present invention conception, when it is positioned at an ambient bright state, and the synoptic diagram of its display screen.When ambient bright, for example, when an ambient brightness during more than or equal to a predetermined value, it is to be positioned at an ambient bright state that display device is changed in this bright blackout, the shown person of the synoptic diagram of its screen is that the shading value (or brightness) of displaying contents is bright picture for the shading value (or brightness) of dark display background, that is: the dark picture of font is white.And Fig. 2 one changes display device according to the bright blackout of the preferred embodiment of the present invention conception, when it is positioned at an environment dim dark state, and the synoptic diagram of its display screen.When environment becomes dim, for example, when an ambient brightness during less than a predetermined value, it is to be positioned at an environment dim dark state that display device is changed in this bright blackout, the shown person of the synoptic diagram of its screen is that the shading value (or brightness) of displaying contents is dark picture for the shading value (or brightness) of bright display background, that is: the white picture of font is dark.
Fig. 3 one changes the calcspar of display device according to the bright blackout of the preferred embodiment of the present invention conception, wherein this bright blackout is changed display device 1 and is had an ambient brightness (brightness of this device surrounding environment), one displaying contents (for example, in/english font or symbol etc.) and a display background is (for example, part in the screen except that displaying contents), this displaying contents and this display background have a shading value (or a brightness) separately, comprise an OPTICAL SENSORS 10, detect an ambient brightness, an and controller 111, be electrically connected this OPTICAL SENSORS 10, when this ambient brightness during more than or equal to a predetermined value, this shading value that makes this displaying contents is for dark, and this shading value of this display background is bright, when this ambient brightness during less than a predetermined value, this shading value that makes this displaying contents is bright, and this shading value of this display background is dark, so that the user is easy to read this displaying contents.
This bright blackout is changed display device 1 and is comprised that also a picture driving element 112 is electrically connected this controller 111, wherein this controller 111 receives the sensing signal that these OPTICAL SENSORS 10 are exported and exports a control signal, and this picture driving element 112 is according to this control signal this displaying contents and this display background this shading value (or brightness) separately to switch this display screen 12.When this ambient brightness during more than or equal to a predetermined brightness value, this shading value that makes this display background is that this shading value than this displaying contents is bright, and makes one first color of this displaying contents dark than one second color of this display background; And when this ambient brightness during less than this predetermined brightness value, this shading value that makes this display background be this shading value than this displaying contents for dark, and this first color of this displaying contents is second of light color than this of this display background.And when this first color was dark than this second color, this first color was a black, and this second color is a white, and when this first color than this second when of light color, this first color is white, this second color is a black.
It is a display that display device 1 is changed in this bright blackout, for example: an e-book display or an electrophoretic display device (EPD), wherein the shown person of this displaying contents is a font, and this display background is on the display screen, except that one first one second part partly that shows this font.As previously mentioned, this bright blackout is changed display device 1 (display) and is comprised an OPTICAL SENSORS 10, a controller 111, a picture driving element 112 and a display screen 12, wherein this controller 111 is coupled in this OPTICAL SENSORS 10, and this controller 111 all is arranged in the central processing unit (CPU) 11 with this picture driving element 112, when this ambient brightness during more than or equal to a predetermined brightness value, make this brightness of this display background this brightness, and make one first color of this displaying contents dark than one second color of this display background more than or equal to this displaying contents; And when this ambient brightness during less than this predetermined brightness value, make this brightness of this display background this brightness less than this displaying contents, and this first color of this displaying contents is second of light color than this of this display background.
The present invention also provides a kind of display (display device is changed in bright blackout) luminance regulating method, and Fig. 4 is a process flow diagram according to the luminance regulating method of the display of the preferred embodiment of the present invention conception.This method comprises following step: one second brightness (step 301) of the display background of one first brightness of displaying contents of a display and a display is provided; The ambient brightness (step 302) of sensing one display; And when this ambient brightness during more than or equal to a predetermined value (step 303), adjust this first with this second brightness make this first brightness less than this second brightness (step 304a), perhaps when this ambient brightness during less than this predetermined value (step 303), adjust this and first make this first brightness greater than this second brightness (step 304b) with this second brightness.
Above-mentioned method also can give the simplification of appropriateness, and for example: a kind of method for regulating brightness of display comprises following step: the display brightness that the displaying contents of a display is provided; The ambient brightness of sensing one display; And according to this ambient brightness to adjust this display brightness, so that the user is easy to read this displaying contents.
Certainly, aforesaid method also can be reduced to separately, and for example: a kind of method for regulating brightness of display comprises following step: the display brightness that the display background of the displaying contents of a display and a display is provided; The ambient brightness of sensing one display; And according to this ambient brightness to adjust this display brightness, so that the user is easy to read this displaying contents.
In sum, the invention provides a kind of bright blackout and change display device with OPTICAL SENSORS, brightness with the sensing external environment, this OPTICAL SENSORS is electrically connected with a control circuit, by the brightness in this OPTICAL SENSORS sensing external world, whether decision according to this changes an ambient bright or the dim display mode of an environment, and can increase the picture lightness when environment is dim, sharpness and comfort level so that lifting gear is read make things convenient for the user to read a content of this electric paper display.
It should be noted that at last: above embodiment is only in order to technical scheme of the present invention to be described but not limit it, although the present invention is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that: it still can make amendment or be equal to replacement technical scheme of the present invention, and these modifications or be equal to replacement and also can not make amended technical scheme break away from the spirit and scope of technical solution of the present invention.
Claims (13)
1. display device is changed in a bright blackout, has an ambient brightness, a displaying contents and a display background, and described displaying contents and described display background have a shading value separately, comprise:
One OPTICAL SENSORS is detected described ambient brightness; And
One controller is electrically connected described OPTICAL SENSORS,
When described ambient brightness during more than or equal to a predetermined value, the described shading value that makes described displaying contents is for dark, and the described shading value of described display background is bright, when described ambient brightness during less than a predetermined value, the described shading value that makes described displaying contents is bright, and the described shading value of described display background is dark, so that the user is easy to read described displaying contents.
2. device according to claim 1 also comprises a picture driving element, be electrically connected described controller, wherein said controller receives the sensing signal that described OPTICAL SENSORS exports and exports a control signal, and described picture driving element according to described control signal with described displaying contents of conversion and described display background described shading value separately.
3. device according to claim 1, wherein when described ambient brightness during more than or equal to a predetermined brightness value, the described shading value that makes described display background is that the described shading value of more described displaying contents is bright, and makes one second color of the one first more described display background of color of described displaying contents dark; And when described ambient brightness during less than described predetermined brightness value, the described shading value that makes described display background be the described shading value of more described displaying contents for dark, and the more described display background of described first color of described displaying contents is described second of light color.
4. device according to claim 3, wherein when more described second color of described first color was dark, described first color was a black, described second color is a white, and when described first color more described second was of light color, described first color was a white, and described second color is a black.
5. device according to claim 1 is an e-book display or an electrophoretic display device (EPD), the shown person of wherein said displaying contents is a font, and described display background is on the display screen, shows one second part except that one first part of described font.
6. display, have an ambient brightness and a displaying contents, described displaying contents has a display brightness, comprise an OPTICAL SENSORS, detect described ambient brightness, and according to described ambient brightness, to adjust the described display brightness of described displaying contents, so that the user is easy to read described displaying contents.
7. display according to claim 6 also comprises a controller, wherein said controller is coupled in described OPTICAL SENSORS, and the described display brightness of a display brightness of a display background more than or equal to described displaying contents is set, and makes one second color of the one first more described display background of color of described displaying contents dark; And when described ambient brightness during less than described predetermined brightness value, make the described display brightness of the described display brightness of described display background less than described displaying contents, and the more described display background of described first color of described displaying contents is described second of light color.
8. display, has an ambient brightness, a displaying contents and a display background, described display background has a display brightness, comprise an OPTICAL SENSORS, detect described ambient brightness, and according to described ambient brightness, to adjust the described display brightness of described display background, so that the user is easy to read described displaying contents.
9. method for regulating brightness of display comprises following step:
One second brightness of the display background of one first brightness of displaying contents of one display and a display is provided;
The ambient brightness of sensing one display; And
When described ambient brightness during more than or equal to a predetermined value, adjust described first brightness and described second brightness and make described first brightness, adjust described first brightness and described second brightness and make described first brightness greater than described second brightness less than described second brightness or when described ambient brightness during less than described predetermined value.
10. method according to claim 9, wherein said display comprises an OPTICAL SENSORS, the described ambient brightness of sensing, described display is an e-book display or an electrophoretic display device (EPD), wherein also comprise following step when the step of described ambient brightness during:, make one second color of the one first more described display background of color of described displaying contents dark when described second brightness during more than or equal to described first brightness through adjusting through adjusting more than or equal to a predetermined value; And, make the more described display background of described first color described second of light color of described displaying contents when described second brightness during less than described first brightness through adjusting through adjusting.
11. method according to claim 9, wherein said first brightness is the shading value of a displaying contents, described second brightness is the shading value of a display background, when the step of described ambient brightness during more than or equal to a predetermined value more comprises a step: when described ambient brightness during more than or equal to a predetermined value, the shading value that makes described displaying contents is for dark, and the shading value of described display background is bright, perhaps when described ambient brightness during less than a predetermined value, the shading value that makes described displaying contents is bright, and the shading value of described display background is dark, so that the user is easy to read described displaying contents.
12. a method for regulating brightness of display comprises following step:
One display brightness of the displaying contents of one display is provided;
The ambient brightness of sensing one display; And
The described ambient brightness of foundation is to adjust described display brightness, so that the user is easy to read described displaying contents.
13. a method for regulating brightness of display comprises following step:
One display brightness of the display background of the displaying contents of one display and a display is provided;
The ambient brightness of sensing one display; And
The described ambient brightness of foundation is to adjust described display brightness, so that the user is easy to read described displaying contents.
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| CN 201010114676 CN102148020B (en) | 2010-02-10 | 2010-02-10 | Light-to-dark transition display device, display and brightness adjusting method |
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| CN 201010114676 CN102148020B (en) | 2010-02-10 | 2010-02-10 | Light-to-dark transition display device, display and brightness adjusting method |
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| CN102148020B (en) | 2013-11-06 |
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