CN101661713A - LCD display device and method for adjusting driving voltage thereof - Google Patents
LCD display device and method for adjusting driving voltage thereof Download PDFInfo
- Publication number
- CN101661713A CN101661713A CN200810141730A CN200810141730A CN101661713A CN 101661713 A CN101661713 A CN 101661713A CN 200810141730 A CN200810141730 A CN 200810141730A CN 200810141730 A CN200810141730 A CN 200810141730A CN 101661713 A CN101661713 A CN 101661713A
- Authority
- CN
- China
- Prior art keywords
- temperature
- driving voltage
- display device
- lcd display
- voltage
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Abstract
The invention is suitable for the field of LCD display techniques, and provides an LCD display device and a method for adjusting the driving voltage of the LCD display device. The LCD display device comprises a temperature detection module, an MCU, a driving voltage module and a storing device, wherein the temperature detection module is used for detecting the temperature of the LCD display device, and transmitting temperature data to the MCU; the MCU is used for calling a compensated driving voltage value corresponding to the temperature data from the storing device according to the temperature data transmitted by the temperature detection module, and transmitting the compensated driving voltage value to the driving voltage module; the driving voltage module is used for supplying drivingvoltage to the LCD display device according to the compensated driving voltage value; and the storing device is used for storing the compensated driving voltage value corresponding to the temperaturedata. The technical scheme provided by the invention enables dynamically variable driving voltage to be supplied to the LCD when the LCD is under conditions with different temperatures, thereby achieving a better driving compensation effect and improving streaking phenomena of the LCD.
Description
Technical field
The invention belongs to technical field of liquid crystal display, relate in particular to the method that a kind of LCD (Liquid Crystal Display LCDs) display device and driving voltage thereof are adjusted.
Background technology
The application of LCD on display device, very general, but LCD has its some intrinsic defectives: the phenomenon that shows the object appearance hangover of rapid movement is exactly one of its inherent shortcoming, at present by constantly improving and improving, play the object of some rapid movements at normal temperatures, conditions of streaking has obtained bigger improvement, but when the LCD display operating ambient temperature is relatively low (generally about 0 ℃), the streaking phenomenon will worsen, when serious even can't watch.
The LCD conditions of streaking produces, main cause is only to present liquid crystal state in certain temperature range because form the liquid crystal material of LCD, even within the liquid crystal state temperature range, variation of temperature also can influence the physical parameter of liquid crystal material, as viscosity, specific inductive capacity and elastic constant etc.Therefore, the response speed of LCD is temperature variant, high more its response speed of temperature is fast more, low more its response speed of temperature is slow more, and under the low temperature, its response speed is obviously slack-off, therefore, lag-effect can appear in LCD image at low temperatures, very significantly shade, i.e. conditions of streaking will occur when change and high speed scene are switched fast.
For solving the problem of LCD streaking, usually adopt overdrive technique in the prior art, by applying overdrive voltage to LCD to obtain reaction velocity faster, overdrive voltage is exactly to provide the voltage that is higher than normal drive voltage to LCD, makes the change of ordered state of liquid crystal molecule faster.
Because the inherent characteristic of liquid crystal molecule, thereby determined that liquid crystal molecule is very fast in the deflection response of high-temperature condition, but can be obviously slack-off in the low-temperature condition deflect response time, in the existing overdrive technique, the overdrive voltage value that imposes on LCD is invariable, and the environment temperature of LCD work is not to immobilize, the problem of bringing like this is that the compensation meeting is excessive when normal temperature and high temperature, especially under the condition of high temperature, the response speed of liquid crystal molecule is very fast, promptly no longer needs superpotential just to drive and can meet the demands, if still apply superpotential compensation in this case, can bring injury to LCDs, reduce the life-span of LCDs; And under low-temperature condition, can cause the serious conditions of streaking of motion picture because of the obvious variation of the liquid crystal characteristic overdrive voltage undercompensation that seems.
Summary of the invention
The method that the object of the present invention is to provide a kind of LCD display device and driving voltage thereof to adjust is intended to solve the problem of LCD display device driving voltage dynamically being adjusted according to temperature variation.
The present invention is achieved in that a kind of LCD display device, and described LCD display device comprises temperature detecting module, MCU, driving voltage module and storer, wherein:
Described temperature detecting module is used for detecting the temperature of described LCD display device, and detected temperature data is transferred to MCU;
Described MCU is used for calling from described storer according to the temperature data of described temperature detecting module transmission the compensation rear drive magnitude of voltage of described temperature data correspondence, and described compensation rear drive magnitude of voltage is transferred to described driving voltage module;
Described driving voltage module is used for according to described compensation rear drive magnitude of voltage, driving voltage is provided for described LCD display device;
Described storer is used for storing the compensation rear drive magnitude of voltage of described temperature data correspondence.Described storer is used for storing temperature variant driving voltage offset data table, the bucking voltage value of the temperature data correspondence that described temperature variant driving voltage offset data table comprises the penalty coefficient of different temperatures data correspondence, calculate according to described penalty coefficient, and the compensation rear drive magnitude of voltage that adds up and obtain according to bucking voltage value and original driving voltage value.
Described penalty coefficient is by determining described LCD display device test.
When described temperature data was 0 ℃, described penalty coefficient was 0.5, and when described temperature coefficient was 24 ℃, described penalty coefficient was 0.
Described temperature detecting module is a temperature sensor, and described temperature sensor is used for detecting the temperature of LCD display device display screen.
The method that the present invention also provides a kind of LCD display device driving voltage to adjust, described method comprises:
The temperature of a, the described LCD display device of detection;
B, the compensation rear drive magnitude of voltage that calls the temperature data correspondence that is detected offer described LCD display device.
Wherein also comprise before the step a:
A0, the temperature variant driving voltage offset data table of design, the bucking voltage value of the temperature data correspondence that described temperature variant driving voltage offset data table comprises the penalty coefficient of different temperatures data correspondence, calculate according to described penalty coefficient, and the compensation rear drive magnitude of voltage that adds up and obtain according to bucking voltage value and original driving voltage value, and store described temperature variant driving voltage offset data table.
Described penalty coefficient is by determining described LCD display device test.
When described temperature data was 0 ℃, described penalty coefficient was 0.5, and when described temperature coefficient was 24 ℃, described penalty coefficient was 0.
Wherein step a specifically comprises:
A1, employing temperature sensor detect the temperature of described LCD display device display screen.
The present invention overcomes the deficiencies in the prior art, by detecting the temperature of LCD display device, call the driving voltage offset of different temperatures data correspondence according to testing result, offer the LCD display device after adding up with original driving voltage, drive LCD by the driving voltage after the compensation, be in different following times of temperature conditions as LCD like this, the driving voltage of dynamic change can be provided it, thereby reach the better driving compensation effect, improve the streaking phenomenon of LCD.
Description of drawings
Fig. 1 is the schematic diagram of the LCD display device that provides of the embodiment of the invention;
Fig. 2 is an embodiment of the invention process flow diagram;
Fig. 3 is the LCD response time curve comparison figure that the embodiment of the invention provides.
Embodiment
Technical scheme provided by the invention is: the temperature that detects the LCD display device, call the driving voltage offset of different temperatures data correspondence according to testing result, offer the LCD display device after adding up with original driving voltage, drive LCD by the driving voltage after the compensation, be in different following times of temperature conditions as LCD like this, the driving voltage of dynamic change can be provided it, thereby reach the better driving compensation effect, improve the streaking phenomenon of LCD.
In order to make purpose of the present invention, technical scheme and advantage clearer,, the present invention is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
For realizing technical scheme of the present invention, need at first storage temperature variant driving voltage offset data table as shown in table 1 in the storer of LCD display device.
| The display screen working temperature (℃) | Penalty coefficient Ki | Bucking voltage value KiV0 (unit: volt) | Compensation rear drive magnitude of voltage Vi (Vi=V0+KiV0 unit: volt) |
| ??0 | ??0.50 | ??0.50 | ?1.50 |
| ??1 | ??0.40 | ??0.40 | ?1.40 |
| ??2 | ??0.32 | ??0.32 | ?1.32 |
| ??3 | ??0.26 | ??0.26 | ?1.26 |
| ??4 | ??0.22 | ??0.22 | ?1.22 |
| ??5 | ??0.20 | ??0.20 | ?1.20 |
| ??6 | ??0.19 | ??0.19 | ?1.19 |
| ??7 | ??0.18 | ??0.18 | ?1.18 |
| ??8 | ??0.17 | ??0.17 | ?1.17 |
| ??9 | ??0.16 | ??0.16 | ?1.16 |
| ??10 | ??0.15 | ??0.15 | ?1.15 |
| ??11 | ??0.14 | ??0.14 | ?1.14 |
| ??12 | ??0.13 | ??0.13 | ?1.13 |
| ??13 | ??0.12 | ??0.12 | ?1.12 |
| ??14 | ??0.11 | ??0.11 | ?1.11 |
| ??15 | ??0.10 | ??0.10 | ?1.10 |
| ??16 | ??0.09 | ??0.09 | ?1.09 |
| ??17 | ??0.08 | ??0.08 | ?1.08 |
| ??18 | ??0.07 | ??0.07 | ?1.07 |
| ??19 | ??0.06 | ??0.06 | ?1.06 |
| ??20 | ??0.05 | ??0.05 | ?1.05 |
| ??21 | ??0.04 | ??0.04 | ?1.04 |
| ??22 | ??0.03 | ??0.03 | ?1.03 |
| ??23 | ??0.02 | ??0.02 | ?1.02 |
| ??24 | ??0.00 | ??0.00 | ?1.00 |
Table 1
The bucking voltage value of the different temperatures correspondence that above-mentioned temperature variant driving voltage offset data table comprises under the condition of different temperatures corresponding penalty coefficient, calculate according to each penalty coefficient, and the compensation rear drive magnitude of voltage that obtains after adding up of bucking voltage and original driving voltage, the mode that can test by experiment, LCD at a certain type determines, is stored in advance in the storer of LCD display device then.In the embodiment of the invention, be example with the LTA320WT-L05LCD of Samsung, the data pin shown in the table 1 is determined this LCD.
As shown in table 1, every degree celsius temperature changes corresponding offset data between having designed from 0 ℃ to 24 ℃ in the embodiment of the invention, because the operating temperature limit of civilian LCD is generally 0 ℃, be lower than this temperature, LCD is cisco unity malfunction, so do not consider in 0 ℃ of following temperature present embodiment, simultaneously because by actual test, the LTA320WT-L05LCD of the Samsung that provides in the embodiment of the invention, its temperature will stop after 24 ℃ rising with rising working time, therefore, every degree celsius temperature changes corresponding offset data between designing from 0 ℃ to 24 ℃ in the embodiment of the invention.Concrete when using technical solution of the present invention, offset data corresponding temperature change scope is not limited to 0 ℃ to 24 ℃, can be according to the offset data of the temperature design correspondence of the characteristic of concrete LCD and environment for use.
The LCD display device schematic diagram that the embodiment of the invention provides comprises temperature sensor, microprocessor (MCU), storer and driving voltage module as shown in Figure 1, wherein:
Temperature sensor is arranged on the position near LCD display, is used for detecting the initial temperature and the working temperature of LCD display, and testing result is transferred to MCU;
MCU is used for calling from the temperature variant driving voltage offset data table of memory stores according to the temperature data of temperature sensor transmission the compensation rear drive magnitude of voltage of this temperature data correspondence, should compensate the rear drive magnitude of voltage and be transferred to driving voltage module;
Driving voltage module applies driving voltage for the LCD display device according to the compensation rear drive magnitude of voltage of MCU transmission;
Storer is used for storing temperature variant driving voltage offset data table, the bucking voltage value of the different temperatures correspondence that this table comprises under the condition of different temperatures corresponding penalty coefficient, calculate according to each penalty coefficient, and the compensation rear drive magnitude of voltage that obtains after adding up of bucking voltage and original driving voltage.
Concrete when using technical scheme provided by the invention, detect LCD display and can adopt other temperature detecting module except that temperature sensor, its principle is basic identical.
The temperature of supposing the LCD environment for use is 0 ℃, that is to say, the detected temperature of temperature sensor is 0 ℃ during the LCD start, MCU calls corresponding compensation rear drive magnitude of voltage according to the testing result of temperature sensor transmission from temperature variant driving voltage offset data table, as shown in table 1, be 1.50V; After LCD starts, its temperature is with rising gradually working time, temperature sensor detects the temperature of LCD in real time, and testing result is transferred to MCU, MCU calls corresponding compensation rear drive magnitude of voltage according to testing result from temperature variant driving voltage offset data table, adjust the driving voltage that imposes on LCD in real time.When the temperature of LCD display rose to 24 ℃, compensation rear drive magnitude of voltage was 1.0V, and the bucking voltage value is 0.
As when the detected display screen initial temperature of temperature sensor value is 15 ℃ when starting shooting, MCU is 1.10V from the compensation rear drive magnitude of voltage that temperature variant driving voltage offset data table calls, the driving voltage that imposes on LCD is 1.10V, and the bucking voltage of this moment is 0.1V; After LCD moves a few minutes, the temperature of supposing display screen has been elevated to 20 ℃, the temperature of the detected display screen of temperature sensor this moment is 20 ℃ (initial temperature of screen adds 5 ℃ temperature rise), MCU is 1.05V from the compensation rear drive magnitude of voltage that temperature variant driving voltage offset data table calls, the driving voltage that imposes on LCD is adjusted into 1.05V thereupon, and the bucking voltage value only is 0.05V; When the detected temperature of temperature sensor is 24 ℃ (initial temperature of screen adds 9 ℃ temperature rise), MCU is 1.00V from the compensation rear drive magnitude of voltage that temperature variant driving voltage offset data table calls, the driving voltage that imposes on LCD is adjusted into 1.00V thereupon, the bucking voltage value is 0V, promptly returns to original driving voltage value; Even after this detected temperature of temperature sensor surpasses 24 ℃, the bucking voltage value still maintains 0V.After LCD moves a period of time, the temperature of its display screen will be stabilized in some particular values.The temperature of the detected display screen of temperature sensor this moment is 39 ℃ (15 ℃ of temperature rises that add 24 ℃ of the initial temperature of screen), MCU is 1.00V from the compensation rear drive magnitude of voltage that temperature variant driving voltage offset data table calls, the bucking voltage value is 0V, promptly returns to original driving voltage value; If the temperature of LCD display continues to rise, the value of bucking voltage will then continue as 0V.
Embodiment of the invention process flow diagram specifically comprises the steps: as shown in Figure 2
1, is stored in the storer according to the temperature variant driving voltage offset data of the characteristics design of LCD table;
2, temperature sensor detects the LCD display temperature, and testing result is transferred to MCU;
3, MCU calls corresponding compensation rear drive magnitude of voltage according to the testing result of temperature sensor transmission from temperature variant driving voltage offset data table, is transferred to driving voltage module;
4, driving voltage module applies driving voltage according to the compensation rear drive magnitude of voltage of MCU transmission to LCD.
After adopting technical solution of the present invention, the response time curve of LCD (LTA320WT-L05LCD with Samsung is an example) is shown in the curve among Fig. 3 302, when not adopting technical solution of the present invention, the response time curve of LCD (LTA320WT-L05LCD with Samsung is an example) is shown in the curve among Fig. 3 301, as can be seen from Figure 3, after adopting technical scheme provided by the invention, the response time of liquid crystal accelerates, especially obvious during low temperature, the response time of liquid crystal remains unchanged when temperature is higher than 24 ℃.
The above only is preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of being done within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1, a kind of LCD display device is characterized in that, described LCD display device comprises temperature detecting module, MCU, driving voltage module and storer, wherein:
Described temperature detecting module is used for detecting the temperature of described LCD display device, and detected temperature data is transferred to MCU;
Described MCU is used for calling from described storer according to the temperature data of described temperature detecting module transmission the compensation rear drive magnitude of voltage of described temperature data correspondence, and described compensation rear drive magnitude of voltage is transferred to described driving voltage module;
Described driving voltage module is used for according to described compensation rear drive magnitude of voltage, driving voltage is provided for described LCD display device;
Described storer is used for storing the compensation rear drive magnitude of voltage of described temperature data correspondence.
2, LCD display device according to claim 1, it is characterized in that, described storer is used for storing temperature variant driving voltage offset data table, the bucking voltage value of the temperature data correspondence that described temperature variant driving voltage offset data table comprises the penalty coefficient of different temperatures data correspondence, calculate according to described penalty coefficient, and the compensation rear drive magnitude of voltage that adds up and obtain according to bucking voltage value and original driving voltage value.
3, LCD display device according to claim 2 is characterized in that, described penalty coefficient is by determining described LCD display device test.
4, LCD display device according to claim 2 is characterized in that, when described temperature data was 0 ℃, described penalty coefficient was 0.5, and when described temperature coefficient was 24 ℃, described penalty coefficient was 0.
5, LCD display device according to claim 1 is characterized in that, described temperature detecting module is a temperature sensor, and described temperature sensor is used for detecting the temperature of LCD display device display screen.
6, a kind of method of LCD display device driving voltage adjustment, described method comprises:
The temperature of a, the described LCD display device of detection;
B, the compensation rear drive magnitude of voltage that calls the temperature data correspondence that is detected offer described LCD display device.
7, method according to claim 6 is characterized in that, wherein also comprises before the step a:
A0, the temperature variant driving voltage offset data table of design, the bucking voltage value of the temperature data correspondence that described temperature variant driving voltage offset data table comprises the penalty coefficient of different temperatures data correspondence, calculate according to described penalty coefficient, and the compensation rear drive magnitude of voltage that adds up and obtain according to bucking voltage value and original driving voltage value, and store described temperature variant driving voltage offset data table.
8, method according to claim 7 is characterized in that, described penalty coefficient is by determining described LCD display device test.
9, method according to claim 7 is characterized in that, when described temperature data was 0 ℃, described penalty coefficient was 0.5, and when described temperature coefficient was 24 ℃, described penalty coefficient was 0.
10, method according to claim 6 is characterized in that, wherein step a specifically comprises:
A1, employing temperature sensor detect the temperature of described LCD display device display screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810141730A CN101661713A (en) | 2008-08-29 | 2008-08-29 | LCD display device and method for adjusting driving voltage thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810141730A CN101661713A (en) | 2008-08-29 | 2008-08-29 | LCD display device and method for adjusting driving voltage thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101661713A true CN101661713A (en) | 2010-03-03 |
Family
ID=41789694
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200810141730A Pending CN101661713A (en) | 2008-08-29 | 2008-08-29 | LCD display device and method for adjusting driving voltage thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101661713A (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103871385A (en) * | 2014-02-27 | 2014-06-18 | 宇龙计算机通信科技(深圳)有限公司 | Mobile phone, liquid crystal display screen and normal display method of liquid crystal display screen under low temperature condition |
| CN103915073A (en) * | 2014-03-26 | 2014-07-09 | 京东方科技集团股份有限公司 | Display panel driving circuit, control method of display panel driving circuit and display device |
| CN104036749A (en) * | 2014-06-25 | 2014-09-10 | 重庆卓美华视光电有限公司 | LCD (liquid crystal display) power circuit with temperature compensation |
| CN106356024A (en) * | 2016-10-28 | 2017-01-25 | 昆山国显光电有限公司 | OLED screen body temperature monitoring, regulating and controlling circuit, and system and OLED display panel |
| WO2018192510A1 (en) * | 2017-04-21 | 2018-10-25 | 京东方科技集团股份有限公司 | Electroluminescent display panel, driving method and driving device thereof, and display device |
| CN109493805A (en) * | 2018-12-12 | 2019-03-19 | 合肥鑫晟光电科技有限公司 | A kind of compensation method of display panel and device |
| CN109658880A (en) * | 2017-10-12 | 2019-04-19 | 咸阳彩虹光电科技有限公司 | Pixel compensation method, pixel compensation circuit and display |
| CN109658879A (en) * | 2017-10-12 | 2019-04-19 | 咸阳彩虹光电科技有限公司 | The driving voltage compensation method of display and circuit |
| CN112634831A (en) * | 2020-12-11 | 2021-04-09 | 南京芯视元电子有限公司 | Temperature self-adaptation OLED drive circuit |
| CN113724658A (en) * | 2020-05-26 | 2021-11-30 | 北京小米移动软件有限公司 | Control method and device of pixel driving unit, display screen and terminal equipment |
| WO2022032507A1 (en) * | 2020-08-12 | 2022-02-17 | 海能达通信股份有限公司 | Liquid crystal screen frame rate control method and apparatus, and liquid crystal screen display system |
| CN114077072A (en) * | 2020-08-12 | 2022-02-22 | 海能达通信股份有限公司 | Frame frequency control method and device of liquid crystal screen and liquid crystal screen display system |
-
2008
- 2008-08-29 CN CN200810141730A patent/CN101661713A/en active Pending
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103871385A (en) * | 2014-02-27 | 2014-06-18 | 宇龙计算机通信科技(深圳)有限公司 | Mobile phone, liquid crystal display screen and normal display method of liquid crystal display screen under low temperature condition |
| CN103871385B (en) * | 2014-02-27 | 2016-03-09 | 宇龙计算机通信科技(深圳)有限公司 | A kind of mobile phone, LCDs and normal display packing under cryogenic thereof |
| CN103915073A (en) * | 2014-03-26 | 2014-07-09 | 京东方科技集团股份有限公司 | Display panel driving circuit, control method of display panel driving circuit and display device |
| CN104036749A (en) * | 2014-06-25 | 2014-09-10 | 重庆卓美华视光电有限公司 | LCD (liquid crystal display) power circuit with temperature compensation |
| CN106356024A (en) * | 2016-10-28 | 2017-01-25 | 昆山国显光电有限公司 | OLED screen body temperature monitoring, regulating and controlling circuit, and system and OLED display panel |
| CN106356024B (en) * | 2016-10-28 | 2019-04-30 | 昆山国显光电有限公司 | OLED screen temperature monitors circuit for regulating and controlling, system and OLED display panel |
| WO2018192510A1 (en) * | 2017-04-21 | 2018-10-25 | 京东方科技集团股份有限公司 | Electroluminescent display panel, driving method and driving device thereof, and display device |
| US10930206B2 (en) | 2017-04-21 | 2021-02-23 | Boe Technology Group Co., Ltd. | Electroluminescent display panel, driving method thereof, driving device and display device |
| CN109658879A (en) * | 2017-10-12 | 2019-04-19 | 咸阳彩虹光电科技有限公司 | The driving voltage compensation method of display and circuit |
| CN109658880A (en) * | 2017-10-12 | 2019-04-19 | 咸阳彩虹光电科技有限公司 | Pixel compensation method, pixel compensation circuit and display |
| CN109493805A (en) * | 2018-12-12 | 2019-03-19 | 合肥鑫晟光电科技有限公司 | A kind of compensation method of display panel and device |
| US11335266B2 (en) | 2018-12-12 | 2022-05-17 | Hefei Xinsheng Optoelectronics Technology Co., Ltd. | Compensation method for display panel and display panel |
| CN113724658A (en) * | 2020-05-26 | 2021-11-30 | 北京小米移动软件有限公司 | Control method and device of pixel driving unit, display screen and terminal equipment |
| WO2022032507A1 (en) * | 2020-08-12 | 2022-02-17 | 海能达通信股份有限公司 | Liquid crystal screen frame rate control method and apparatus, and liquid crystal screen display system |
| CN114077072A (en) * | 2020-08-12 | 2022-02-22 | 海能达通信股份有限公司 | Frame frequency control method and device of liquid crystal screen and liquid crystal screen display system |
| CN112634831A (en) * | 2020-12-11 | 2021-04-09 | 南京芯视元电子有限公司 | Temperature self-adaptation OLED drive circuit |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101661713A (en) | LCD display device and method for adjusting driving voltage thereof | |
| CN100423077C (en) | Source driver, electro-optical device, electronic apparatus, and driving method | |
| CN101089687B (en) | Liquid crystal display device and driving method thereof | |
| US8289312B2 (en) | Liquid crystal display device | |
| US10565963B2 (en) | Display device, electronic device having display device and method of operating the same | |
| US7961163B2 (en) | Liquid crystal display and driving method thereof | |
| CN101567175B (en) | LCD and overdrive method of the same | |
| CN100552501C (en) | Lcd | |
| CN102915713B (en) | Grid voltage temperature compensation circuit and method, and display device | |
| TW200613527A (en) | Liquid crystal composition and liquid crystal display device | |
| CN106023917B (en) | Driving device and display device | |
| JP2009025798A (en) | Display apparatus and method of driving the same | |
| CN101527132A (en) | LCD display device | |
| CN210136714U (en) | Common voltage driving circuit and display device | |
| CN101452675A (en) | Drive circuit and drive method for lcd device | |
| CN103996369A (en) | Charge pump circuit control system, method and device, and display device | |
| WO2012009608A1 (en) | Controller for updating pixels in an electronic paper display | |
| TW200604646A (en) | Display device | |
| CN102368381A (en) | Method for improving charging of liquid crystal panel and circuit thereof | |
| CN105405415A (en) | Display Device And Display Method Thereof For Compensating Pixel Voltage Loss | |
| CN101556777A (en) | Method and device for compensating responsive time of liquid crystal display | |
| CN1996457A (en) | LCD drive device and drive method therefor | |
| CN105139810A (en) | Display driving method and device, and display device | |
| CN101231399B (en) | Method and apparatus for regulating liquid crystal extremely drive precision | |
| CN101876764A (en) | Method and device for adjusting display effect of LCD |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20100303 |