CN102708811A - 侧入式非均匀占空比背光驱动方法 - Google Patents
侧入式非均匀占空比背光驱动方法 Download PDFInfo
- Publication number
- CN102708811A CN102708811A CN201210218730XA CN201210218730A CN102708811A CN 102708811 A CN102708811 A CN 102708811A CN 201210218730X A CN201210218730X A CN 201210218730XA CN 201210218730 A CN201210218730 A CN 201210218730A CN 102708811 A CN102708811 A CN 102708811A
- Authority
- CN
- China
- Prior art keywords
- backlight
- dutycycle
- liquid crystal
- backlight subarea
- crystal panel
- 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.)
- Granted
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Classifications
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- 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
- G09G3/3406—Control of illumination source
- G09G3/342—Control of illumination source using several illumination sources separately controlled corresponding to different display panel areas, e.g. along one dimension such as lines
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- 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
- G09G3/001—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes using specific devices not provided for in groups G09G3/02 - G09G3/36, e.g. using an intermediate record carrier such as a film slide; Projection systems; Display of non-alphanumerical information, solely or in combination with alphanumerical information, e.g. digital display on projected diapositive as background
- G09G3/003—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes using specific devices not provided for in groups G09G3/02 - G09G3/36, e.g. using an intermediate record carrier such as a film slide; Projection systems; Display of non-alphanumerical information, solely or in combination with alphanumerical information, e.g. digital display on projected diapositive as background to produce spatial visual effects
-
- 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
- G09G2310/024—Scrolling of light from the illumination source over the display in combination with the scanning of the display screen
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- 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
- G09G2310/08—Details of timing specific for flat panels, other than clock recovery
-
- 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
- G09G2320/0209—Crosstalk reduction, i.e. to reduce direct or indirect influences of signals directed to a certain pixel of the displayed image on other pixels of said image, inclusive of influences affecting pixels in different frames or fields or sub-images which constitute a same image, e.g. left and right images of a stereoscopic display
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- 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
- G09G2320/06—Adjustment of display parameters
- G09G2320/0626—Adjustment of display parameters for control of overall brightness
- G09G2320/064—Adjustment of display parameters for control of overall brightness by time modulation of the brightness of the illumination source
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- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Liquid Crystal Display Device Control (AREA)
- Liquid Crystal (AREA)
Abstract
Description
单短边入光 | 左1/9 | 中1/2 | 右8/9 |
上1/9 | 14.99% | 8.84% | 7.03% |
中1/2 | 5.60% | 4.51% | 3.69% |
下8/9 | 8.47% | 6.20% | 4.81% |
Claims (8)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201210218730.XA CN102708811B (zh) | 2012-06-28 | 2012-06-28 | 侧入式非均匀占空比背光驱动方法 |
PCT/CN2012/078532 WO2014000325A1 (zh) | 2012-06-28 | 2012-07-12 | 侧入式非均匀占空比背光驱动方法 |
US13/635,404 US20140002769A1 (en) | 2012-06-28 | 2012-07-12 | Side-edge non-uniform duty ratio backlight driving method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201210218730.XA CN102708811B (zh) | 2012-06-28 | 2012-06-28 | 侧入式非均匀占空比背光驱动方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN102708811A true CN102708811A (zh) | 2012-10-03 |
CN102708811B CN102708811B (zh) | 2014-06-11 |
Family
ID=46901517
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201210218730.XA Active CN102708811B (zh) | 2012-06-28 | 2012-06-28 | 侧入式非均匀占空比背光驱动方法 |
Country Status (2)
Country | Link |
---|---|
CN (1) | CN102708811B (zh) |
WO (1) | WO2014000325A1 (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105580433A (zh) * | 2013-06-11 | 2016-05-11 | 德州仪器公司 | 用于网络辅助式干扰消除及抑制的网络信令 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20090091265A1 (en) * | 2007-10-05 | 2009-04-09 | Si-Joon Song | Backlight assembly and display device having the same |
CN101494025A (zh) * | 2008-01-25 | 2009-07-29 | 三星电子株式会社 | 局部调光的方法、背光组件及显示设备 |
CN101572058A (zh) * | 2008-05-02 | 2009-11-04 | 乐金显示有限公司 | 背光驱动电路及其驱动方法 |
CN101814271A (zh) * | 2009-02-20 | 2010-08-25 | 三星电子株式会社 | 背光设备及具有该背光设备的液晶显示设备 |
-
2012
- 2012-06-28 CN CN201210218730.XA patent/CN102708811B/zh active Active
- 2012-07-12 WO PCT/CN2012/078532 patent/WO2014000325A1/zh active Application Filing
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20090091265A1 (en) * | 2007-10-05 | 2009-04-09 | Si-Joon Song | Backlight assembly and display device having the same |
CN101494025A (zh) * | 2008-01-25 | 2009-07-29 | 三星电子株式会社 | 局部调光的方法、背光组件及显示设备 |
CN101572058A (zh) * | 2008-05-02 | 2009-11-04 | 乐金显示有限公司 | 背光驱动电路及其驱动方法 |
CN101814271A (zh) * | 2009-02-20 | 2010-08-25 | 三星电子株式会社 | 背光设备及具有该背光设备的液晶显示设备 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105580433A (zh) * | 2013-06-11 | 2016-05-11 | 德州仪器公司 | 用于网络辅助式干扰消除及抑制的网络信令 |
Also Published As
Publication number | Publication date |
---|---|
WO2014000325A1 (zh) | 2014-01-03 |
CN102708811B (zh) | 2014-06-11 |
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Date | Code | Title | Description |
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C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CP03 | Change of name, title or address | ||
CP03 | Change of name, title or address |
Address after: 518132 No. 9-2 Ming Avenue, Guangming New District, Guangdong, Shenzhen Patentee after: TCL Huaxing Photoelectric Technology Co.,Ltd. Address before: 518000 No. 9-2 Ming Avenue, Guangming New District, Guangdong, Shenzhen Patentee before: Shenzhen China Star Optoelectronics Technology Co.,Ltd. |
|
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20210310 Address after: No.109, Kangping Road, Liuyang economic and Technological Development Zone, Changsha, Hunan 410300 Patentee after: Changsha Huike optoelectronics Co., Ltd Address before: 9-2 Tangming Avenue, Guangming New District, Shenzhen City, Guangdong Province Patentee before: TCL Huaxing Photoelectric Technology Co.,Ltd. |