WO2015096361A1 - 显示面板公共电压调节电路和显示装置 - Google Patents
显示面板公共电压调节电路和显示装置 Download PDFInfo
- Publication number
- WO2015096361A1 WO2015096361A1 PCT/CN2014/077923 CN2014077923W WO2015096361A1 WO 2015096361 A1 WO2015096361 A1 WO 2015096361A1 CN 2014077923 W CN2014077923 W CN 2014077923W WO 2015096361 A1 WO2015096361 A1 WO 2015096361A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- resistor
- signal
- voltage
- unit
- adjustment
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
- G09G3/3611—Control of matrices with row and column drivers
- G09G3/3648—Control of matrices with row and column drivers using an active matrix
- G09G3/3655—Details of drivers for counter electrodes, e.g. common electrodes for pixel capacitors or supplementary storage capacitors
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
- G09G3/3611—Control of matrices with row and column drivers
- G09G3/3696—Generation of voltages supplied to electrode drivers
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2310/00—Command of the display device
- G09G2310/02—Addressing, scanning or driving the display screen or processing steps related thereto
- G09G2310/0264—Details of driving circuits
- G09G2310/0291—Details of output amplifiers or buffers arranged for use in a driving circuit
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2320/00—Control of display operating conditions
- G09G2320/02—Improving the quality of display appearance
- G09G2320/0204—Compensation of DC component across the pixels in flat panels
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2320/00—Control of display operating conditions
- G09G2320/02—Improving the quality of display appearance
- G09G2320/0233—Improving the luminance or brightness uniformity across the screen
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2320/00—Control of display operating conditions
- G09G2320/02—Improving the quality of display appearance
- G09G2320/0247—Flicker reduction other than flicker reduction circuits used for single beam cathode-ray tubes
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2330/00—Aspects of power supply; Aspects of display protection and defect management
- G09G2330/02—Details of power systems and of start or stop of display operation
- G09G2330/021—Power management, e.g. power saving
Definitions
- At least one embodiment of the present invention provides a display panel common voltage regulating circuit and display device Set to achieve fast, precise adjustment of the common voltage to reduce flicker when the display panel is displayed.
- At least one embodiment of the present invention provides a display panel common voltage adjustment circuit, including: a filtering unit, configured to filter an externally supplied pulse width modulation signal, and provide the filtered DC voltage signal to the first voltage clamp Bit unit
- the first end of the third resistor is connected to the DC power source, the second end of the third resistor and the first end of the fourth resistor are connected to the first pull-down node, and the second end of the fourth resistor Connected to the source power supply;
- the first voltage clamping unit provides the first adjustment signal to the feedback amplification unit through the first pull-down node.
- a second end of the fifth resistor, a second end of the sixth resistor, and an output end of the amplifier are connected as an output end of the feedback amplifying unit;
- the second voltage clamping unit includes an eighth resistor and a ninth resistor; and the first end of the eighth resistor is connected to a DC power source;
- At least one embodiment of the present invention provides a display device comprising the display panel common voltage regulating circuit as described above.
- the signal receiving unit receives the control signal remotely or wirelessly, and generates a pulse width modulation signal to control the adjustment of the driving voltage of the display panel, thereby realizing fast and accurate adjustment of the common voltage of the display panel. , thereby reducing flicker when the display panel is displayed.
- FIG. 1 is a schematic diagram of functional modules of a display panel common voltage adjustment circuit according to an embodiment of the present invention
- 2 is a circuit schematic diagram of a common voltage adjustment circuit for a display panel according to an embodiment of the present invention
- FIG. 3 is a schematic diagram of functional modules of another common voltage adjustment circuit for a display panel according to an embodiment of the present invention.
- the first voltage clamping unit 102 is configured to adjust the filtered DC voltage signal to obtain a first adjustment signal, and provide the first adjustment signal to the feedback amplification unit 103;
- the first end of the first resistor R1 is connected to the first end of the first capacitor C1 as an input end of the filter unit 101.
- the second end of the first resistor R1 is respectively connected to the first end of the second resistor R2 and the second capacitor C2.
- the first end of the second resistor R2 is connected to the output end of the filter unit 101, and the second end of the first capacitor C1 and the second end of the second capacitor C2 are both connected to the source power source;
- the received pulse width modulation signal is filtered by the filtering unit 101, and the corresponding DC voltage is obtained according to the duty ratio of the pulse width modulation signal.
- the signal receiving unit 100 has an output connected to the input end of the filtering unit 101;
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US14/408,080 US9715856B2 (en) | 2013-12-24 | 2014-05-20 | Common voltage adjustment circuit for display panel and display apparatus |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201310722980.1A CN103680455B (zh) | 2013-12-24 | 2013-12-24 | 一种显示面板公共电压调节电路和显示装置 |
CN201310722980.1 | 2013-12-24 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2015096361A1 true WO2015096361A1 (zh) | 2015-07-02 |
Family
ID=50317818
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/CN2014/077923 WO2015096361A1 (zh) | 2013-12-24 | 2014-05-20 | 显示面板公共电压调节电路和显示装置 |
Country Status (3)
Country | Link |
---|---|
US (1) | US9715856B2 (zh) |
CN (1) | CN103680455B (zh) |
WO (1) | WO2015096361A1 (zh) |
Cited By (1)
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CN104809991A (zh) * | 2015-04-03 | 2015-07-29 | 深圳市金立通信设备有限公司 | 一种确定显示屏参考电压的方法 |
Families Citing this family (14)
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CN103680455B (zh) * | 2013-12-24 | 2016-04-13 | 京东方科技集团股份有限公司 | 一种显示面板公共电压调节电路和显示装置 |
CN106157870B (zh) * | 2014-11-18 | 2019-04-02 | 深圳市华星光电技术有限公司 | 显示参数的调整方法、装置及液晶显示系统 |
CN104376829A (zh) * | 2014-12-11 | 2015-02-25 | 京东方科技集团股份有限公司 | 显示基板驱动装置及驱动方法,显示装置 |
TWI550591B (zh) * | 2015-06-04 | 2016-09-21 | 友達光電股份有限公司 | 顯示裝置及其操作方法 |
US9805677B2 (en) * | 2015-12-28 | 2017-10-31 | Panasonic Liquid Crystal Display Co., Ltd. | Display device for adjusting current output of a common voltage generating circuit |
KR102593457B1 (ko) * | 2016-10-25 | 2023-10-25 | 엘지디스플레이 주식회사 | 표시장치 및 이의 구동방법 |
CN107342063B (zh) * | 2017-08-11 | 2020-12-01 | 昆山龙腾光电股份有限公司 | 公共电压驱动电路及显示装置 |
CN107591137A (zh) * | 2017-09-15 | 2018-01-16 | 惠科股份有限公司 | 显示装置及其驱动方法 |
CN108198531B (zh) * | 2018-01-09 | 2021-02-09 | 京东方科技集团股份有限公司 | 公共电压生成电路及生成方法、显示装置 |
US10964262B1 (en) | 2018-08-30 | 2021-03-30 | Apple Inc. | Systems and methods for reducing visual artifacts in displays due to refresh rate |
CN209343105U (zh) * | 2018-12-04 | 2019-09-03 | 惠科股份有限公司 | 一种显示面板和显示装置 |
CN110599935B (zh) * | 2019-08-26 | 2023-01-24 | 昆山龙腾光电股份有限公司 | 一种公共电压的自动调节装置和自动调节方法 |
CN113674661B (zh) * | 2021-07-07 | 2024-02-02 | 杭州华橙软件技术有限公司 | 显示模组参考电压的调试电路、调试方法及调试装置 |
CN115542592B (zh) * | 2022-01-15 | 2023-07-11 | 荣耀终端有限公司 | 驱动电路、壳体组件及电子设备 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1499478A (zh) * | 2002-11-04 | 2004-05-26 | ��������ʾ���Ƽ���˾ | 液晶显示装置的公共电压调整电路 |
KR20050023080A (ko) * | 2003-08-29 | 2005-03-09 | 비오이 하이디스 테크놀로지 주식회사 | 액정 표시 장치용 공통 전압 변조 회로 |
KR20070014535A (ko) * | 2005-07-29 | 2007-02-01 | 삼성전자주식회사 | 액정표시장치 및 이의 구동방법 |
CN103680455A (zh) * | 2013-12-24 | 2014-03-26 | 京东方科技集团股份有限公司 | 一种显示面板公共电压调节电路和显示装置 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU623802B2 (en) | 1989-08-31 | 1992-05-21 | Sharp Kabushiki Kaisha | Common driver circuit |
TWI235348B (en) * | 2004-04-01 | 2005-07-01 | Au Optronics Corp | Common voltage adjustment circuit and liquid crystal display panel |
KR100580262B1 (ko) * | 2004-05-04 | 2006-05-16 | 삼성전자주식회사 | 고압 전원장치 |
KR100635503B1 (ko) * | 2005-01-31 | 2006-10-17 | 삼성에스디아이 주식회사 | 귀환 회로부가 구비되는 액정표시장치 |
DE102006032262A1 (de) * | 2005-07-15 | 2007-05-03 | Samsung Electronics Co., Ltd., Suwon | Temperatursensor für eine Anzeigevorrichtung, Dünnschichttransistorarray-Panel, das den Temperatursensor einschliesst, Flüssigkristallanzeige, Treiberschaltung für eine Flüssigkristallanzeige und Flackersteuersystem für eine Flüssigkristallanzeige |
KR20070015695A (ko) * | 2005-08-01 | 2007-02-06 | 삼성전자주식회사 | 액정 표시 장치 및 이의 구동방법 |
KR101200966B1 (ko) * | 2006-01-19 | 2012-11-14 | 삼성디스플레이 주식회사 | 공통 전압 생성 회로 및 이를 포함하는 액정 표시 장치 |
KR101262785B1 (ko) * | 2006-07-19 | 2013-05-10 | 삼성디스플레이 주식회사 | 액정 표시 장치 및 그 구동 방법 |
TWI339375B (en) * | 2007-01-29 | 2011-03-21 | Chimei Innolux Corp | Liquid crystal display device and driving method using the same |
KR20080077495A (ko) * | 2007-02-20 | 2008-08-25 | 삼성전자주식회사 | 회로 기판 및 이를 포함하는 액정 표시 장치 |
CN101312014B (zh) * | 2007-05-25 | 2010-08-25 | 群康科技(深圳)有限公司 | 液晶显示装置及其驱动方法 |
CN101334680B (zh) * | 2007-06-29 | 2011-04-20 | 群康科技(深圳)有限公司 | 公共电压产生电路及液晶显示装置 |
KR101469040B1 (ko) * | 2008-01-02 | 2014-12-05 | 삼성디스플레이 주식회사 | 액정표시장치 및 이의 구동방법 |
TWI413080B (zh) * | 2009-06-22 | 2013-10-21 | Chunghwa Picture Tubes Ltd | 液晶顯示器之共同電壓產生電路 |
KR101597954B1 (ko) * | 2009-12-07 | 2016-02-29 | 엘지디스플레이 주식회사 | 공통 전압 발생장치 및 이를 포함하는 평판 표시장치 |
-
2013
- 2013-12-24 CN CN201310722980.1A patent/CN103680455B/zh active Active
-
2014
- 2014-05-20 WO PCT/CN2014/077923 patent/WO2015096361A1/zh active Application Filing
- 2014-05-20 US US14/408,080 patent/US9715856B2/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1499478A (zh) * | 2002-11-04 | 2004-05-26 | ��������ʾ���Ƽ���˾ | 液晶显示装置的公共电压调整电路 |
KR20050023080A (ko) * | 2003-08-29 | 2005-03-09 | 비오이 하이디스 테크놀로지 주식회사 | 액정 표시 장치용 공통 전압 변조 회로 |
KR20070014535A (ko) * | 2005-07-29 | 2007-02-01 | 삼성전자주식회사 | 액정표시장치 및 이의 구동방법 |
CN103680455A (zh) * | 2013-12-24 | 2014-03-26 | 京东方科技集团股份有限公司 | 一种显示面板公共电压调节电路和显示装置 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104809991A (zh) * | 2015-04-03 | 2015-07-29 | 深圳市金立通信设备有限公司 | 一种确定显示屏参考电压的方法 |
Also Published As
Publication number | Publication date |
---|---|
US9715856B2 (en) | 2017-07-25 |
CN103680455B (zh) | 2016-04-13 |
US20160293116A1 (en) | 2016-10-06 |
CN103680455A (zh) | 2014-03-26 |
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