CN101814285A - Flat panel display system capable of automatically adjusting brightness - Google Patents
Flat panel display system capable of automatically adjusting brightness Download PDFInfo
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- CN101814285A CN101814285A CN 201010162907 CN201010162907A CN101814285A CN 101814285 A CN101814285 A CN 101814285A CN 201010162907 CN201010162907 CN 201010162907 CN 201010162907 A CN201010162907 A CN 201010162907A CN 101814285 A CN101814285 A CN 101814285A
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Abstract
The invention relates to the technical field of flat panel display, and provides a flat panel display system, which comprises a flat panel display control integrated circuit, a brightness control integrated circuit and a flat panel display drive integrated circuit, wherein the brightness control integrated circuit is used for receiving and processing current ambient brightness information, and comparing the current ambient brightness information with the current brightness of a flat panel display panel to acquire a proper current brightness value so as to increase or reduce the current display brightness.
Description
Technical field
The present invention relates to the plane display technique, more specifically, the present invention relates to a kind of flat panel display system capable of automatic regulating brightness.
Background technology
Because the multiple flat display apparatus such as thin-film transistor LCD device and organic LED display device has gently, approaches and the advantage of power saving, making them be widely used in PDA(Personal Digital Assistant), mobile phone, GPS (GPS), portable electronic device (PMP), handheld device (HGC) and portable optic disk player etc. needs in the multiple portable display device of Presentation Function.
Flat display apparatus in the portable display device is mainly used in display image or video, mainly comprise two-d display panel on the layout, two-d display panel comprises three zones, be respectively frame region (Outline), view area (View Area) and zone of action (Active Area), what see on portable display device usually is the view area of two-d display panel, display frame be the zone of action, and the packed shell of frame region surrounds, and makes it not in visual range.
Flat display apparatus need be by the normal display image of peripheral driver system ability, and the flat display apparatus drive system comprises the scan line drive circuit (Gate Driver) of driven sweep line, active driving circuit (Source Driver), screen decoding circuit (Video Decoder), sequential control circuit (Timing Control) and the intednsity circuit (Brightness Control) of driving data lines.
Under different lightness environment, the vision impression also is discrepant to the brightness demand of flat display apparatus, and environment is bright more, and the brightness of screen also needs high more, just can clearly illustrate image.Under darker light environment, need lower screen intensity, just can see display frame clearly.
Usually, the light luminance of the environment for use of flat display apparatus also can not stop to change, but the brightness of flat display apparatus can not change thereupon automatically, current can only be to trigger by hand push button according to glasses impression effect to regulate, and makes flat display apparatus that stable, good display effect can not be provided.
Summary of the invention
Can not provide the defective of stablizing good display effect for overcoming prior art midplane display device, the present invention proposes a kind of flat panel display system capable of automatic regulating brightness.
According to an aspect of the present invention, proposed a kind of flat panel display system, having comprised:
The plane shows control integrated circuit, brilliance control integrated circuit and plane display driving integrated circuit;
Wherein, the current brightness ratio that described brilliance control integrated circuit is used for reception environment monochrome information and two-d display panel is obtained the value of suitable current brightness, increases or reduce current display brightness.
Wherein, described brilliance control integrated circuit comprises and is used for exporting the light sensation information processing integrated circuit of brightness regulated signal and regulating the intednsity circuit of flat display apparatus brightness according to described brightness regulated signal according to ambient brightness information.
Wherein, described light sensation information processing integrated circuit comprises comparator circuit, and the electric signal that the reaction environment brightness that described comparator circuit is used for being received changes is compared with the value of the current display brightness of expression, the output comparative result.
Wherein, described light sensation information processing integrated circuit compares the current brightness of ambient brightness information and two-d display panel, and when ambient brightness was higher than current brightness, output was increased the indication of brightness and given intednsity circuit; When ambient brightness was lower than current brightness, output reduced the indication of brightness and gives intednsity circuit.
Compared to prior art, this flat display apparatus is the integrated optics induction installation between its view area and zone of action, and this optical induction device is the light luminance information of induction planes display device environment of living in automatically, and information is passed to drive system.This flat panel display system includes intednsity circuit, this intednsity circuit is analyzed the ambient brightness information that optical induction device is responded on the flat display apparatus, and according to the brightness of the automatic control plane display device of its information, to realize the automatic adjusting of flat display apparatus brightness.
Description of drawings
Fig. 1 is the structural representation according to the flat panel display system of the embodiment of the invention.
Embodiment
Below in conjunction with the drawings and specific embodiments a kind of flat panel display system provided by the invention is described in detail.
Fig. 1 illustrates the flat panel display system according to the embodiment of the invention, and as shown in Figure 1, flat panel display system comprises flat display apparatus 1 and the plane display driving system 2 with brightness impression device.This flat display apparatus is the flat display apparatus that includes but not limited to materials such as TFT-LCD, PDP, OLED, and flat display apparatus 1 comprises two-d display panel, is positioned at the optical induction device 111 on this panel.Two-d display panel includes but not limited to liquid crystal display panel of thin film transistor, organic LED display panel, Plasmia indicating panel, LED display panel and electronic ink display panel.
Further, as shown in Figure 1, two-d display panel comprises view area (View Area, VA) 11 and zone of action (Active Area, AA) 12.Wherein, have the white space of 0.2mm-1mm between zone of action 12 and the view area 11, this white space can not blocked by the shell of whole set equipment, is not positioned at the display pixel 121 of the inside, zone of action of two-d display panel yet.
Usually, can adopt as making the same technology integrated optics induction installation 111 in this white space of two-d display panel of two-d display panel.This optical induction device 111 is used for the ambient brightness at induction planes display panel place, forms electric signal.This optical induction device 111 includes but not limited to photodiode, phototriode and photoresistance.
Wherein, different optical induction devices 111 pass out different parameter indexs.For example, photodiode comes the variation of reaction brightness by the variation of its electric current, and photoresistance is to react by the variation of the voltage at the variation of its electric current or its two ends.Generally speaking, the monochrome information of optical induction device 111 inductions is by the flow through electric current or the reaction of its both end voltage of above-mentioned photosensitive device.
In one embodiment, when photoresistance during as optical induction device 111, when the external environment intensity of illumination was strong, the resistance of photoresistance diminished; When intensity of illumination died down, it is big that the resistance of photoresistance becomes, and the variation of resistance can cause its both end voltage or the variation of the electric current that passes through.
In another embodiment, optical induction device can partly be positioned at view area 11, and part is positioned at frame region, comes light sensing brightness to change by the part optical induction device that is positioned at view area.
This plane display driving system 2 comprises that the plane shows control integrated circuit 21, brilliance control integrated circuit 22 and plane display driving integrated circuit 23.Wherein, show that control integrated circuit 21 comprises decoding integrated circuit 211 and sequential control circuit 212, brilliance control integrated circuit 22 comprises light sensation information processing integrated circuit 221 and intednsity circuit 222, and plane display driving integrated circuit 23 comprises turntable driving integrated circuit 231 and active drive integrated circult 232.
Wherein, show that control integrated circuit 21 and plane display driving integrated circuit 23 can use circuit well known in the art to realize.
Brilliance control integrated circuit 22 is used to receive the electric signal that the brightness of the sensing that optical induction device 111 sends changes, by this electric signal is analyzed, with the current brightness ratio of two-d display panel, obtain the value of suitable current brightness, increase or reduce current display brightness.
Optical inducer is walked bundle of lines light sensation information by ITO and is delivered to the brilliance control integrated circuit.Wherein, light sensation information processing integrated circuit 221 comprises comparator circuit, and the electric signal that the brightness of the sensing that this comparator circuit reception optical induction device 111 sends changes is compared the output comparative result with the value of the current display brightness of expression.The output result that intednsity circuit 222 receives light sensation information processing integrated circuit 221 in real time regulates the brightness of two-d display panel.In one embodiment, this adjusting can realize by the hand push button that triggers two-d display panel.In another embodiment, also different for the employed trigger pip of different two-d display panels, its control principle is also different, the TFT-LCD of LED-backlit controls by output PWM (width modulation) square-wave signal, pass through Control of Voltage for OLED intednsity circuit 222, thereby realize light intensity variation and the automatically variation of the brightness of flat display apparatus with environment of living in.
Wherein, light sensation information processing integrated circuit 221, intednsity circuit 222, turntable driving integrated circuit 231 and active drive integrated circult 232 can adopt the mode of multicore sheet encapsulation to combine, and (Chip on Glass, COG) technology is pressed together on the two-d display panel by brilliant glass tipping.
When the light of flat panel environment of living in changed, the monochrome information of optical induction device 111 induced environments outputed to light sensation information processing integrated circuit 221 with the electric current or the both end voltage of this monochrome information by photosensitive device.221 pairs of electric signal that received of light sensation information processing integrated circuit (being above-mentioned voltage or electric current) are analyzed, compare with current brightness, when the brightness of representing when described electric signal was higher than current brightness, output was increased the indication of brightness and is given intednsity circuit 222; When the brightness of representing when described electric signal was lower than current brightness, output reduced the indication of brightness and gives intednsity circuit 222.Intednsity circuit 222 is regulated the brightness of two-d display panel in real time, thereby realizes light intensity variation and the automatically variation of the brightness of flat display apparatus with environment of living in.
It should be noted that at last, above embodiment is only in order to describe technical scheme of the present invention rather than the present technique method is limited, the present invention can extend to other modification, variation, application and embodiment on using, and therefore thinks that all such modifications, variation, application, embodiment are in spirit of the present invention and teachings.
Claims (8)
1. flat panel display system comprises:
The plane shows control integrated circuit, brilliance control integrated circuit and plane display driving integrated circuit;
Wherein, the current brightness ratio that described brilliance control integrated circuit is used for reception environment monochrome information and two-d display panel is obtained the value of suitable current brightness, increases or reduce current display brightness.
2. the described system of claim 1, wherein, described brilliance control integrated circuit comprises and is used for exporting the light sensation information processing integrated circuit of brightness regulated signal and regulating the intednsity circuit of flat display apparatus brightness according to described brightness regulated signal according to ambient brightness information.
3. the described system of claim 1, wherein, described demonstration control integrated circuit comprises decoding integrated circuit and sequential control circuit.
4. the described system of claim 1, wherein, described plane display driving integrated circuit comprises turntable driving integrated circuit and active drive integrated circult.
5. the described system of claim 2, wherein, described light sensation information processing integrated circuit comprises comparator circuit, the electric signal that the reaction environment brightness that described comparator circuit is used for being received changes is compared with the value of the current display brightness of expression, exports comparative result.
6. the described system of claim 2, wherein, described light sensation information processing integrated circuit, described intednsity circuit, described turntable driving integrated circuit and described active drive integrated circult adopt the mode of multicore sheet encapsulation to combine.
7. the described system of claim 2, wherein, (Chipon Glass, COG) technology is pressed together on the two-d display panel by brilliant glass tipping for described light sensation information processing integrated circuit, described intednsity circuit, described turntable driving integrated circuit and described active drive integrated circult.
8. the described system of claim 2, wherein, described light sensation information processing integrated circuit compares the current brightness of ambient brightness information and two-d display panel, and when current display brightness was lower than the brightness that should export under this ambient brightness, output was increased the indication of brightness and given intednsity circuit; When current display brightness was higher than the brightness that should export under this ambient brightness, output reduced the indication of brightness and gives intednsity circuit.
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| CN 201010162907 CN101814285A (en) | 2010-05-04 | 2010-05-04 | Flat panel display system capable of automatically adjusting brightness |
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| CN 201010162907 CN101814285A (en) | 2010-05-04 | 2010-05-04 | Flat panel display system capable of automatically adjusting brightness |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102682716A (en) * | 2012-04-28 | 2012-09-19 | 深圳光启创新技术有限公司 | Method and device for regulating screen brightness and electronic device |
| CN105243990A (en) * | 2015-10-12 | 2016-01-13 | 中航华东光电有限公司 | Driving circuit and automatic light modulation method for OLED display screen |
| CN105405429A (en) * | 2015-12-11 | 2016-03-16 | Tcl移动通信科技（宁波）有限公司 | Mobile terminal, ambient light dynamic induction control method, ambient light dynamic induction control system |
| CN105575364A (en) * | 2015-12-22 | 2016-05-11 | 惠州Tcl移动通信有限公司 | Intelligent watch and brightness adaptive adjusting system and method |
| CN107478328A (en) * | 2017-09-19 | 2017-12-15 | 珠海格力电器股份有限公司 | Photosensitive device, display brightness adjusting system and display |
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| 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 |
| CN101355665A (en) * | 2008-09-09 | 2009-01-28 | 乐金电子（南京）等离子有限公司 | System and method for automatically regulating lighteness and contrast of television set |
| CN101699555A (en) * | 2009-10-23 | 2010-04-28 | 深圳华为通信技术有限公司 | Liquid crystal display and terminal |
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2010
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
| CN101355665A (en) * | 2008-09-09 | 2009-01-28 | 乐金电子（南京）等离子有限公司 | System and method for automatically regulating lighteness and contrast of television set |
| CN101699555A (en) * | 2009-10-23 | 2010-04-28 | 深圳华为通信技术有限公司 | Liquid crystal display and terminal |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102682716A (en) * | 2012-04-28 | 2012-09-19 | 深圳光启创新技术有限公司 | Method and device for regulating screen brightness and electronic device |
| CN105243990A (en) * | 2015-10-12 | 2016-01-13 | 中航华东光电有限公司 | Driving circuit and automatic light modulation method for OLED display screen |
| CN105243990B (en) * | 2015-10-12 | 2018-07-31 | 中航华东光电有限公司 | Driving circuit for OLED display screen and method with an automatic light meter |
| CN105405429A (en) * | 2015-12-11 | 2016-03-16 | Tcl移动通信科技（宁波）有限公司 | Mobile terminal, ambient light dynamic induction control method, ambient light dynamic induction control system |
| CN105405429B (en) * | 2015-12-11 | 2019-03-26 | Tcl移动通信科技（宁波）有限公司 | A kind of mobile terminal and its environment photokinesis induction control method, system |
| CN105575364A (en) * | 2015-12-22 | 2016-05-11 | 惠州Tcl移动通信有限公司 | Intelligent watch and brightness adaptive adjusting system and method |
| CN107478328A (en) * | 2017-09-19 | 2017-12-15 | 珠海格力电器股份有限公司 | Photosensitive device, display brightness adjusting system and display |
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Application publication date: 20100825 |