TWI370424B - Apparatus and method for controlling backlight source - Google Patents
Apparatus and method for controlling backlight sourceInfo
- Publication number
- TWI370424B TWI370424B TW096117004A TW96117004A TWI370424B TW I370424 B TWI370424 B TW I370424B TW 096117004 A TW096117004 A TW 096117004A TW 96117004 A TW96117004 A TW 96117004A TW I370424 B TWI370424 B TW I370424B
- Authority
- TW
- Taiwan
- Prior art keywords
- backlight source
- controlling backlight
- controlling
- source
- backlight
- 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
- G09G3/3406—Control of illumination source
-
- 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
-
- 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
- G09G2320/0646—Modulation of illumination source brightness and image signal correlated to each other
-
- 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
- G09G2320/066—Adjustment of display parameters for control of contrast
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Liquid Crystal Display Device Control (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Liquid Crystal (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW096117004A TWI370424B (en) | 2007-05-14 | 2007-05-14 | Apparatus and method for controlling backlight source |
US11/846,539 US7995027B2 (en) | 2007-05-14 | 2007-08-29 | Apparatus and method for controlling backlight |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW096117004A TWI370424B (en) | 2007-05-14 | 2007-05-14 | Apparatus and method for controlling backlight source |
Publications (2)
Publication Number | Publication Date |
---|---|
TW200844930A TW200844930A (en) | 2008-11-16 |
TWI370424B true TWI370424B (en) | 2012-08-11 |
Family
ID=40027002
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW096117004A TWI370424B (en) | 2007-05-14 | 2007-05-14 | Apparatus and method for controlling backlight source |
Country Status (2)
Country | Link |
---|---|
US (1) | US7995027B2 (zh) |
TW (1) | TWI370424B (zh) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20090044292A (ko) * | 2007-10-31 | 2009-05-07 | 삼성전자주식회사 | 표시 장치 및 이의 구동방법 |
US8194028B2 (en) * | 2008-02-29 | 2012-06-05 | Research In Motion Limited | System and method for adjusting an intensity value and a backlight level for a display of an electronic device |
JP2010134435A (ja) * | 2008-10-28 | 2010-06-17 | Panasonic Corp | バックライト装置および表示装置 |
KR101606826B1 (ko) * | 2008-12-22 | 2016-04-12 | 삼성디스플레이 주식회사 | 광원 구동 방법, 이를 수행하기 위한 광원 장치 및 이 광원장치를 갖는 표시 장치 |
KR101294851B1 (ko) * | 2009-04-01 | 2013-08-08 | 엘지디스플레이 주식회사 | 액정표시장치 및 그 구동방법 |
US8514167B2 (en) * | 2009-09-23 | 2013-08-20 | Hong Kong Applied Science And Technology Research Institute Co., Ltd. | Method, system or apparatus for adjusting a brightness level associated with at least a portion of a backlight of a display device |
TWI412230B (zh) * | 2009-10-21 | 2013-10-11 | My Semi Inc | 暫存電路 |
US20110242139A1 (en) * | 2010-03-31 | 2011-10-06 | Renesas Technology Corp. | Display driver |
US8564365B2 (en) * | 2012-01-20 | 2013-10-22 | Qualcomm Incorporated | Wide input bit-rate, power efficient PWM decoder |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7952555B2 (en) * | 2003-11-19 | 2011-05-31 | Eizo Nanao Corporation | Luminance control method, liquid crystal display device and computer program |
US8373640B2 (en) * | 2005-07-07 | 2013-02-12 | Sharp Kabushiki Kaisha | Display device |
JP4030573B2 (ja) * | 2006-02-08 | 2008-01-09 | シャープ株式会社 | 液晶表示装置 |
TWI342002B (en) * | 2006-03-16 | 2011-05-11 | Novatek Microelectronics Corp | Apparatus and method for display backlight control |
US20070222740A1 (en) * | 2006-03-22 | 2007-09-27 | Sharp Kabushiki Kaisha | Display apparatus, image data providing apparatus, and controlling method |
US8648780B2 (en) * | 2006-07-18 | 2014-02-11 | Sharp Laboratories Of America, Inc. | Motion adaptive black data insertion |
US8941580B2 (en) * | 2006-11-30 | 2015-01-27 | Sharp Laboratories Of America, Inc. | Liquid crystal display with area adaptive backlight |
-
2007
- 2007-05-14 TW TW096117004A patent/TWI370424B/zh active
- 2007-08-29 US US11/846,539 patent/US7995027B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
US20080284713A1 (en) | 2008-11-20 |
TW200844930A (en) | 2008-11-16 |
US7995027B2 (en) | 2011-08-09 |
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