CN101425262A - Liquid crystal display device and driving method thereof - Google Patents
Liquid crystal display device and driving method thereof Download PDFInfo
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- CN101425262A CN101425262A CNA2007101242582A CN200710124258A CN101425262A CN 101425262 A CN101425262 A CN 101425262A CN A2007101242582 A CNA2007101242582 A CN A2007101242582A CN 200710124258 A CN200710124258 A CN 200710124258A CN 101425262 A CN101425262 A CN 101425262A
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Abstract
The invention provides a liquid crystal display device and a drive method thereof. The liquid crystal display device comprises a liquid crystal display panel, a backlight module providing a light source for the liquid crystal display panel, an inclination angle detection system, a data processor and a lookup table, wherein the inclination angle detection system is electrically connected to the data processor; the data processor is respectively electrically connected to the lookup table and the backlight module; the inclination angle detection system is used for detecting the inclination angle of the liquid crystal display device; the lookup table is used for storing each inclination angle and a corresponding backlight brightness value; and the data processor obtains the corresponding backlight brightness value in the lookup table according to the inclination angle and controls the brightness of the backlight module according to the backlight brightness value.
Description
Technical field
The invention relates to a kind of liquid crystal indicator and driving method thereof, particularly about being applied to the liquid crystal indicator of portable electric appts such as mobile phone.
Background technology
Therefore liquid crystal indicator is widely used in mobile phone, PDA(Personal Digital Assistant) and the portable electric appts as image display device because of it has characteristics such as low diathermaneity, compact and power consumption are low.Only with regard to present mobile phone, its function is gradually improved, and functions such as time showing and audio-visual broadcast almost become the indispensable basic function of mobile phone, and this makes the design hommization more of mobile phone, uses convenient.Day by day the appearance design of novel fashion in addition, the user is very glad to make mobile phone replace single functional products such as wrist-watch and audio and video player.
But present liquid crystal indicator is identical at the whole display characteristic that is under the differing tilt angles of device, does not promptly carry out customized design at angular characteristics.For example, when the cellphone subscriber wants the time of checking, when handheld mobile phone is adjusted to the angle of normal observation, backlight can't opening automatically, the user still needs just can open backlight checking the time by pressing some function buttons.Again for example, when the long-time handheld mobile phone of cellphone subscriber uses audio-video playing function to watch video, owing to be subjected to liquid crystal indicator viewing angle characteristic restriction,, but still have to make mobile phone to continue to keep original angle to reach preferable viewing angle characteristic although user's hand is ached.The problems referred to above illustrate that present liquid crystal indicator is perfect inadequately about the function that angular characteristics possessed, and promptly the duty under any angle of inclination is identical, make the not enough hommization of products such as mobile phone of adopting this liquid crystal indicator.
Summary of the invention
In order to solve the problem of the not enough hommization of prior art liquid crystal indicator, provide a kind of humanized liquid crystal indicator real for essential.
Simultaneously, provide the driving method of above-mentioned liquid crystal indicator also for essential.
A kind of liquid crystal indicator, it comprises a display panels, one provides the module backlight of area source for this display panels, one angle of inclination detecting system, one data processor and a look-up table, this angle of inclination detecting system is electrically connected to this data processor, this data processor is electrically connected to this look-up table and this module backlight respectively, this angle of inclination detecting system is used to detect this liquid crystal indicator angle of inclination, store each angle of inclination and corresponding backlight brightness values in this look-up table, this data processor obtains corresponding backlight brightness values according to this angle of inclination in this look-up table, and controls the brightness of this module backlight according to this backlight brightness values.
A kind of liquid crystal indicator, it comprises a display panels, one provides the module backlight of area source for this display panels, one angle of inclination detecting system, one data processor and a look-up table, this angle of inclination detecting system is electrically connected to this data processor, this data processor is electrically connected to this look-up table and this display panels respectively, this angle of inclination detecting system is used to detect this liquid crystal indicator angle of inclination, store each angle of inclination and corresponding gamma value in this look-up table, this data processor obtains corresponding gamma value according to this angle of inclination in this look-up table, and controls the GTG of this display panels according to this gamma value.
A kind of liquid crystal display apparatus driving circuit, it comprises provides a liquid crystal indicator, and it comprises a display panels and a module backlight; Detect the angle of inclination of this liquid crystal indicator; Control the brightness of this module backlight according to this angle of inclination.
A kind of liquid crystal display apparatus driving circuit, it comprises provides a liquid crystal indicator, and it comprises a display panels and a module backlight; Detect the angle of inclination of this liquid crystal indicator; Control the GTG of this display panels according to this angle of inclination.
Compared with prior art, liquid crystal indicator of the present invention and its driving method are owing to carried out the sensing at angle of inclination, can carry out corresponding adjusting to the GTG of this display panels or the brightness of this module backlight according to this liquid crystal indicator angle of inclination, therefore make this liquid crystal indicator easy to use, design humanized.
Description of drawings
Fig. 1 is the circuit block diagram of liquid crystal indicator first embodiment of the present invention.
Fig. 2 is the structural representation of angle of inclination shown in Figure 1 detecting system.
Fig. 3 is the circuit block diagram of liquid crystal indicator second embodiment of the present invention.
Embodiment
Seeing also Fig. 1, is the circuit block diagram of liquid crystal indicator first embodiment of the present invention.This liquid crystal indicator 1 comprises that a display panels 20, provides module backlight 30, an angle of inclination detecting system 40, an analog/digital converter 50, a data processor 60 and a look-up table 70 of planar light for this display panels 20.
This angle of inclination detecting system 40 is connected to this analog/digital converter 50, and this analog/digital converter 50 is connected to this data processor 60, and this data processor 60 is connected to this display panels 20, module backlight 30 and this look-up table 70 respectively.
Seeing also Fig. 2, is the structural representation of angle of inclination shown in Figure 1 detecting system 40.This angle of inclination detecting system 40 comprises a circuit orbit 411, a light source 412, a plurality of optical sensor 413 and a ball 414.The orbit plane of this circuit orbit 411 is parallel to the direction of this liquid crystal indicator 1 top to the bottom line.This light source 412 is arranged on the circle centre position of this circuit orbit 411, and can launch light beam to all directions.These a plurality of optical sensors 413 uniformly-spaced are arranged on this circuit orbit 411.This ball 414 is made by light-proof material, and can roll along this circuit orbit 411.This optical sensor 413 can be exported one first signal when receiving the light beam that this light source 412 sends, this optical sensor 413 can be exported a secondary signal in the time can not receiving the light beam that this light source 412 sends.
This angle of inclination detecting system 40 is fixed in this liquid crystal indicator 1, can sensing the angle that tilts of this liquid crystal indicator 1.Display plane and horizontal plane angle when wherein, the angle of this inclination (abbreviation inclination angle) makes progress for liquid crystal indicator 1 top.Particularly, when this liquid crystal indicator 1 was in different angle between 0 to 360 degree, this ball 414 can cover different optical sensor 413, makes correspondence can not receive the optical sensor 413 output secondary signals of light beam.This angle of inclination detecting system 40 is by judging first and second signal that these a plurality of optical sensors 413 are exported promptly can be judged which inclination angle of this liquid crystal indicator 1 in 0 to 360 degree, and produces an inclination angle simulating signal according to this inclination angle.
This look-up table 70 stores the backlight brightness values of corresponding different angle.
The driving method and the principle of work of this liquid crystal indicator 1 are as follows:
One, detects the inclination angle of this liquid crystal indicator 1;
The inclination angle of this angle of inclination detecting system 40 these liquid crystal indicators 1 of detecting, and export a pair of inclination angle simulating signal that should the inclination angle to this analog/digital converter 50.This analog/digital converter 50 receives these inclination angle simulating signals, and is converted to the inclination angle digital signal and exports this data processor 60 to.
Two, in look-up table 70, obtain backlight brightness values that should the inclination angle;
This data processor 60 receives these inclination angle digital signals and also visits this look-up table 70, searches and obtains backlight brightness values that should the inclination angle.
Three, adjust the brightness of module 30 backlight according to this backlight brightness values.
This data processor 60 is controlled the brightness of this module 30 backlight according to this backlight brightness values of these look-up table 70 feedbacks.For example, when this liquid crystal indicator 1 top upwards and display plane and horizontal plane angle when 30 degree are to the scopes of 75 degree, the brightness that makes module 30 backlight is greater than zero, thus realization is opened function backlight automatically according to the inclination angle.
Compared to prior art, liquid crystal indicator 1 of the present invention is because it has adopted this angle of inclination detecting system 40, analog/digital converter 50, data processor 60 and look-up table 70, can regulate the brightness of module 30 backlight according to the inclination angle of liquid crystal indicator 1, make this liquid crystal indicator 1 more perfect about the function of angular characteristics, and then hommization more.
Seeing also Fig. 3, is the circuit block diagram of liquid crystal indicator second embodiment of the present invention.This liquid crystal indicator 2 is with the difference of this liquid crystal indicator 1: this look-up table 270 stores gamma (Gamma) value of corresponding different angle.
The driving method and the principle of work of this liquid crystal indicator 2 are as follows:
One, detects the inclination angle of this liquid crystal indicator 2;
The inclination angle of this angle of inclination detecting system 240 these liquid crystal indicators 2 of detecting, and export a pair of inclination angle simulating signal that should the inclination angle and export this analog/digital converter 250 to.This analog/digital converter 250 receives these inclination angle simulating signals, and is converted to the inclination angle digital signal and exports this data processor 260 to.
Two, in look-up table 270, obtain gamma value that should the inclination angle;
This data processor 260 receives these inclination angle digital signals and also visits this look-up table 270, searches and obtains gamma value that should the inclination angle.
Three, adjust the GTG of display panels 220 according to this gamma value.
This data processor 260 is controlled the GTG of this display panels 220 according to this gamma value of these look-up table 270 feedbacks.
By setting the value of this look-up table 270, can make the user under the situation that viewing angle changes, the GTG of this liquid crystal indicator 2 on user's direction of observation kept stable substantially.
Compared to first embodiment, because this liquid crystal indicator 2 has adopted this look-up table 270 to store the gamma value of corresponding different angle, these liquid crystal indicator 2 GTGs are changed with the inclination angle, so this liquid crystal indicator 2 is further perfect about the function of angular characteristics.
Claims (10)
1. liquid crystal indicator, it comprises that a display panels and provides the module backlight of area source for this display panels, it is characterized in that: this liquid crystal indicator further comprises an angle of inclination detecting system, one data processor and a look-up table, this angle of inclination detecting system is electrically connected to this data processor, this data processor is electrically connected to this look-up table and this module backlight respectively, this angle of inclination detecting system is used to detect this liquid crystal indicator angle of inclination, store each angle of inclination and corresponding backlight brightness values in this look-up table, this data processor obtains corresponding backlight brightness values according to this angle of inclination in this look-up table, and controls the brightness of this module backlight according to this backlight brightness values.
2. liquid crystal indicator as claimed in claim 1 is characterized in that: this liquid crystal indicator comprises a display plane, and this angle of inclination is the display plane of this liquid crystal indicator and the angle of surface level.
3. liquid crystal indicator as claimed in claim 2 is characterized in that: to should liquid crystal indicator the angle of inclination of 30 degree to the scopes of 75 degree, the brightness of this module backlight is greater than zero.
4. liquid crystal indicator as claimed in claim 1, it is characterized in that: this angle of inclination detecting system comprises a circuit orbit, a light source, a plurality of optical sensor and a ball, this light source is arranged on the circle centre position of this circuit orbit, this optical sensor is arranged on this circuit orbit, and this ball is made by light-proof material and can be rolled along this circuit orbit.
5. liquid crystal indicator, it comprises that a display panels and provides the module backlight of area source for this display panels, it is characterized in that: this liquid crystal indicator further comprises an angle of inclination detecting system, one data processor and a look-up table, this angle of inclination detecting system is electrically connected to this data processor, this data processor is electrically connected to this look-up table and this display panels respectively, this angle of inclination detecting system is used to detect this liquid crystal indicator angle of inclination, store each angle of inclination and corresponding gamma value in this look-up table, this data processor obtains corresponding gamma value according to this angle of inclination in this look-up table, and controls the GTG of this display panels according to this gamma value.
6. liquid crystal indicator as claimed in claim 5 is characterized in that: this liquid crystal indicator comprises a display plane, and this angle of inclination is the display plane of this liquid crystal indicator and the angle of surface level.
7. liquid crystal display apparatus driving circuit, it comprises: a liquid crystal indicator is provided, and it comprises a display panels and a module backlight; Detect the angle of inclination of this liquid crystal indicator; With the brightness of controlling this module backlight according to this angle of inclination.
8. liquid crystal display apparatus driving circuit as claimed in claim 7, it is characterized in that: this liquid crystal indicator further comprises a look-up table, store each angle of inclination and corresponding backlight brightness values in this look-up table, control the brightness of this module backlight according to the pairing backlight brightness values in this angle of inclination.
9. liquid crystal display apparatus driving circuit, it comprises: a liquid crystal indicator is provided, and it comprises a display panels and a module backlight; Detect the angle of inclination of this liquid crystal indicator; With the GTG of controlling this display panels according to this angle of inclination.
10. liquid crystal display apparatus driving circuit as claimed in claim 9, it is characterized in that: this liquid crystal indicator further comprises a look-up table, store each angle of inclination and corresponding gamma value in this look-up table, control the GTG of this display panels according to the pairing gamma value in this angle of inclination.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101242582A CN101425262A (en) | 2007-11-02 | 2007-11-02 | Liquid crystal display device and driving method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CNA2007101242582A CN101425262A (en) | 2007-11-02 | 2007-11-02 | Liquid crystal display device and driving method thereof |
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| CN101425262A true CN101425262A (en) | 2009-05-06 |
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| CNA2007101242582A Pending CN101425262A (en) | 2007-11-02 | 2007-11-02 | Liquid crystal display device and driving method thereof |
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| CN102630036A (en) * | 2012-04-01 | 2012-08-08 | 深圳超多维光电子有限公司 | Three-dimensional display device and method for controlling display brightness of display screen thereof |
| CN102819132A (en) * | 2011-06-07 | 2012-12-12 | 冈谷电机产业株式会社 | Liquid crystal module |
| CN102855855A (en) * | 2011-06-24 | 2013-01-02 | 卡西欧计算机株式会社 | Information display control apparatus, information display control method |
| CN102867474A (en) * | 2012-09-03 | 2013-01-09 | 惠州Tcl移动通信有限公司 | Handheld electronic equipment and backlight source control method thereof |
| CN102945649A (en) * | 2012-10-16 | 2013-02-27 | 天津三星电子有限公司 | Method for adjusting image display parameters of display terminal, and display terminal |
| CN103065608A (en) * | 2011-10-19 | 2013-04-24 | 宏碁股份有限公司 | Electronic device, illumination regulation system and illumination regulation method |
| CN103218977A (en) * | 2013-03-19 | 2013-07-24 | 天津三星光电子有限公司 | Method for adjusting screen display of mobile terminal and mobile terminal thereof |
| CN103281419A (en) * | 2013-06-20 | 2013-09-04 | 上海华勤通讯技术有限公司 | Mobile terminal and screen-illuminating method |
| CN103902263A (en) * | 2012-12-25 | 2014-07-02 | 鸿富锦精密工业(武汉)有限公司 | Automatic opening system and method for notebook computer cover |
| CN104240679A (en) * | 2013-06-19 | 2014-12-24 | 联想(北京)有限公司 | Method for adjusting display unit and electronic device |
| CN104424895A (en) * | 2013-08-23 | 2015-03-18 | 宏达国际电子股份有限公司 | Method for adjusting display backlight, and associated apparatus and associated computer program product |
| CN104867479A (en) * | 2015-06-12 | 2015-08-26 | 京东方科技集团股份有限公司 | Device and method for adjusting screen brightness of splicing display device |
| CN105103083A (en) * | 2013-04-09 | 2015-11-25 | Lg电子株式会社 | Smart watch |
| CN106097984A (en) * | 2016-08-15 | 2016-11-09 | 广东欧珀移动通信有限公司 | The method of proximity transducer, device and mobile terminal is opened in backlight adjusts |
| CN107358929A (en) * | 2017-08-28 | 2017-11-17 | 惠科股份有限公司 | Method, viewing angle compensation structure and the display device that display device viewing angle compensation calculates |
| WO2018120501A1 (en) * | 2016-12-31 | 2018-07-05 | 惠科股份有限公司 | Display device |
| WO2019090905A1 (en) * | 2017-11-10 | 2019-05-16 | 广州视源电子科技股份有限公司 | Method and apparatus for automatically adjusting backlight, and interactive intelligent tablet and storage medium |
| CN111599326A (en) * | 2020-06-18 | 2020-08-28 | 广东小天才科技有限公司 | Screen brightness adjusting method and device based on screen angle |
| CN113154201A (en) * | 2021-04-20 | 2021-07-23 | 重庆工程职业技术学院 | Mounting and supporting device for land surveying and mapping |
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- 2007-11-02 CN CNA2007101242582A patent/CN101425262A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102819132A (en) * | 2011-06-07 | 2012-12-12 | 冈谷电机产业株式会社 | Liquid crystal module |
| CN102855855B (en) * | 2011-06-24 | 2015-05-27 | 卡西欧计算机株式会社 | Information display control apparatus and information display control method |
| CN102855855A (en) * | 2011-06-24 | 2013-01-02 | 卡西欧计算机株式会社 | Information display control apparatus, information display control method |
| US8994761B2 (en) | 2011-06-24 | 2015-03-31 | Casio Computer Co., Ltd. | Information display control apparatus, information display control method, and storage medium storing information display control program |
| CN103065608A (en) * | 2011-10-19 | 2013-04-24 | 宏碁股份有限公司 | Electronic device, illumination regulation system and illumination regulation method |
| CN102630036B (en) * | 2012-04-01 | 2016-02-17 | 深圳超多维光电子有限公司 | Stereoscopic display device and control the method for its display screen display brightness |
| CN102630036A (en) * | 2012-04-01 | 2012-08-08 | 深圳超多维光电子有限公司 | Three-dimensional display device and method for controlling display brightness of display screen thereof |
| CN102867474A (en) * | 2012-09-03 | 2013-01-09 | 惠州Tcl移动通信有限公司 | Handheld electronic equipment and backlight source control method thereof |
| CN102867474B (en) * | 2012-09-03 | 2016-05-18 | 惠州Tcl移动通信有限公司 | A kind of hand-held electronic equipment and backlight control method thereof |
| CN102945649A (en) * | 2012-10-16 | 2013-02-27 | 天津三星电子有限公司 | Method for adjusting image display parameters of display terminal, and display terminal |
| CN103902263A (en) * | 2012-12-25 | 2014-07-02 | 鸿富锦精密工业(武汉)有限公司 | Automatic opening system and method for notebook computer cover |
| CN103218977A (en) * | 2013-03-19 | 2013-07-24 | 天津三星光电子有限公司 | Method for adjusting screen display of mobile terminal and mobile terminal thereof |
| CN105103083A (en) * | 2013-04-09 | 2015-11-25 | Lg电子株式会社 | Smart watch |
| CN105103083B (en) * | 2013-04-09 | 2018-04-24 | Lg电子株式会社 | Intelligent watch |
| CN104240679B (en) * | 2013-06-19 | 2017-05-24 | 联想(北京)有限公司 | Method for adjusting display unit and electronic device |
| CN104240679A (en) * | 2013-06-19 | 2014-12-24 | 联想(北京)有限公司 | Method for adjusting display unit and electronic device |
| CN103281419B (en) * | 2013-06-20 | 2015-08-05 | 上海华勤通讯技术有限公司 | Mobile terminal and bright screen method |
| CN103281419A (en) * | 2013-06-20 | 2013-09-04 | 上海华勤通讯技术有限公司 | Mobile terminal and screen-illuminating method |
| CN104424895A (en) * | 2013-08-23 | 2015-03-18 | 宏达国际电子股份有限公司 | Method for adjusting display backlight, and associated apparatus and associated computer program product |
| US9412320B2 (en) | 2013-08-23 | 2016-08-09 | Htc Corporation | Method for adjusting display backlight with aid of ambient light brightness detection and time detection, and associated apparatus and associated computer program product |
| CN104867479A (en) * | 2015-06-12 | 2015-08-26 | 京东方科技集团股份有限公司 | Device and method for adjusting screen brightness of splicing display device |
| CN106097984A (en) * | 2016-08-15 | 2016-11-09 | 广东欧珀移动通信有限公司 | The method of proximity transducer, device and mobile terminal is opened in backlight adjusts |
| CN106097984B (en) * | 2016-08-15 | 2019-09-27 | Oppo广东移动通信有限公司 | The method, device and mobile terminal of proximity sensor are opened in backlight adjustment |
| WO2018120501A1 (en) * | 2016-12-31 | 2018-07-05 | 惠科股份有限公司 | Display device |
| CN107358929A (en) * | 2017-08-28 | 2017-11-17 | 惠科股份有限公司 | Method, viewing angle compensation structure and the display device that display device viewing angle compensation calculates |
| CN107358929B (en) * | 2017-08-28 | 2019-03-05 | 惠科股份有限公司 | Method, viewing angle compensation structure and the display device that display device viewing angle compensation calculates |
| WO2019090905A1 (en) * | 2017-11-10 | 2019-05-16 | 广州视源电子科技股份有限公司 | Method and apparatus for automatically adjusting backlight, and interactive intelligent tablet and storage medium |
| CN111599326A (en) * | 2020-06-18 | 2020-08-28 | 广东小天才科技有限公司 | Screen brightness adjusting method and device based on screen angle |
| CN113154201A (en) * | 2021-04-20 | 2021-07-23 | 重庆工程职业技术学院 | Mounting and supporting device for land surveying and mapping |
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Open date: 20090506 |