CN1223922C - 笔记本计算机的灯驱动装置和驱动方法 - Google Patents
笔记本计算机的灯驱动装置和驱动方法 Download PDFInfo
- Publication number
- CN1223922C CN1223922C CNB021319812A CN02131981A CN1223922C CN 1223922 C CN1223922 C CN 1223922C CN B021319812 A CNB021319812 A CN B021319812A CN 02131981 A CN02131981 A CN 02131981A CN 1223922 C CN1223922 C CN 1223922C
- Authority
- CN
- China
- Prior art keywords
- lamp
- brightness
- pattern
- temperature
- drive current
- 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.)
- Expired - Fee Related
Links
Images
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/32—Means for saving power
- G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
- G06F1/3234—Power saving characterised by the action undertaken
- G06F1/325—Power saving in peripheral device
- G06F1/3265—Power saving in display device
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/32—Means for saving power
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/32—Means for saving power
- G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
-
- 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
- G09G2320/02—Improving the quality of display appearance
- G09G2320/0285—Improving the quality of display appearance using tables for spatial correction of display data
-
- 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
- G09G2320/04—Maintaining the quality of display appearance
- G09G2320/041—Temperature compensation
-
- 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
- G09G2320/0606—Manual adjustment
-
- 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
-
- 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
- G09G2320/0633—Adjustment of display parameters for control of overall brightness by amplitude modulation of the brightness of the illumination source
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Liquid Crystal Display Device Control (AREA)
- Liquid Crystal (AREA)
- Machine Translation (AREA)
Abstract
Description
Claims (18)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020010053027A KR100685098B1 (ko) | 2001-08-30 | 2001-08-30 | 노트북 컴퓨터에서의 램프구동방법 |
KR200153027 | 2001-08-30 | ||
KR0153027 | 2001-08-30 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1407423A CN1407423A (zh) | 2003-04-02 |
CN1223922C true CN1223922C (zh) | 2005-10-19 |
Family
ID=19713763
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB021319812A Expired - Fee Related CN1223922C (zh) | 2001-08-30 | 2002-08-30 | 笔记本计算机的灯驱动装置和驱动方法 |
Country Status (3)
Country | Link |
---|---|
US (1) | US7042434B2 (zh) |
KR (1) | KR100685098B1 (zh) |
CN (1) | CN1223922C (zh) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1201168C (zh) * | 2000-11-17 | 2005-05-11 | 深度视频成像有限公司 | 改进的显示技术 |
NZ511255A (en) * | 2001-04-20 | 2003-12-19 | Deep Video Imaging Ltd | Multi-focal plane display having an optical retarder and a diffuser interposed between its screens |
NZ514119A (en) * | 2001-09-11 | 2004-06-25 | Deep Video Imaging Ltd | Improvement to instrumentation |
NZ514500A (en) | 2001-10-11 | 2004-06-25 | Deep Video Imaging Ltd | A multiplane visual display unit with a transparent emissive layer disposed between two display planes |
JP2005522715A (ja) * | 2002-03-17 | 2005-07-28 | ディープ ヴィデオ イメージング リミテッド | イメージの点像分布関数をコントロールする方法 |
WO2004008226A1 (en) | 2002-07-15 | 2004-01-22 | Deep Video Imaging Limited | Improved multilayer video screen |
NZ521505A (en) * | 2002-09-20 | 2005-05-27 | Deep Video Imaging Ltd | Multi-view display |
KR100712334B1 (ko) * | 2002-09-30 | 2007-05-02 | 엘지전자 주식회사 | 액정 표시기의 밝기 레벨 조절방법 |
NZ526028A (en) * | 2003-05-21 | 2006-02-24 | Pure Depth Ltd | Backlighting system for display screen utilised to control the distribution of power to at least one light source |
DE10337238B4 (de) * | 2003-08-13 | 2005-09-29 | Siemens Ag | Verfahren zum Einstellen der Leuchtdichte eines Backlights für ein Panel |
KR101133755B1 (ko) * | 2004-07-22 | 2012-04-09 | 삼성전자주식회사 | 표시 장치 및 표시 장치용 광원의 구동 장치 |
US8970562B2 (en) * | 2005-03-01 | 2015-03-03 | Apple Inc. | LCD module with thermal sensor integrated and its implementation |
TW200710499A (en) * | 2005-09-02 | 2007-03-16 | Jemitek Electronics Corp | Backlight unit and method for uniforming brightness thereof |
JP2010537251A (ja) * | 2007-08-22 | 2010-12-02 | ピュアデプス リミテッド | マルチコンポーネントディスプレイのための中間ディフューザの位置の決定 |
KR20090043865A (ko) * | 2007-10-30 | 2009-05-07 | 삼성전자주식회사 | 액정 표시 장치 및 그의 구동 방법 |
KR101590940B1 (ko) * | 2008-12-09 | 2016-02-03 | 삼성디스플레이 주식회사 | 광원 구동 방법, 이를 수행하기 위한 광원 장치 및 이를 포함하는 표시 장치 |
CN103414832B (zh) * | 2013-08-30 | 2017-03-29 | 努比亚技术有限公司 | 调节终端屏幕亮度的方法及装置 |
CN108538258B (zh) * | 2017-03-06 | 2023-03-24 | 北京小米移动软件有限公司 | 调整背光电流的方法及装置、显示设备 |
CN112133252B (zh) * | 2020-11-03 | 2021-08-17 | 安徽熙泰智能科技有限公司 | 一种显示器亮度的温度补偿方法和系统 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4487481A (en) * | 1980-03-24 | 1984-12-11 | Epson Corporation | Backlighted liquid crystal display |
KR930016936A (ko) * | 1992-01-09 | 1993-08-30 | 정용문 | 온도 변화에 따른 lcd 자동 조정회로 |
KR960706281A (ko) * | 1993-11-03 | 1996-11-08 | 다글러스 이. 스코트 | 전자 디스플레이 장치의 후면조명을 위한 고효율 자외선 배면광 시스템 (high efficiency uv backlighting system for rear illumination of electronic display devices) |
JPH07213073A (ja) * | 1994-01-14 | 1995-08-11 | Fuji Electric Co Ltd | インバータ装置表示部の輝度調整方法 |
JPH10148808A (ja) * | 1996-11-18 | 1998-06-02 | Seiko Epson Corp | バックライト装置及びそれを用いた液晶表示装置 |
JPH10162985A (ja) * | 1996-11-27 | 1998-06-19 | Sony Corp | 液晶表示パネルのバックライト装置 |
JPH10203715A (ja) | 1997-01-17 | 1998-08-04 | Mita Ind Co Ltd | 用紙処理機能付き機器 |
US6069448A (en) * | 1997-10-16 | 2000-05-30 | Twinhead International Corp. | LCD backlight converter having a temperature compensating means for regulating brightness |
KR19990052999A (ko) * | 1997-12-23 | 1999-07-15 | 김덕중 | Lcd의 화면밝기 제어장치 및 그 방법 |
JP2000340388A (ja) * | 1999-05-28 | 2000-12-08 | Nippon Seiki Co Ltd | バックライト装置 |
JP2002123226A (ja) * | 2000-10-12 | 2002-04-26 | Hitachi Ltd | 液晶表示装置 |
US6388388B1 (en) * | 2000-12-27 | 2002-05-14 | Visteon Global Technologies, Inc. | Brightness control system and method for a backlight display device using backlight efficiency |
-
2001
- 2001-08-30 KR KR1020010053027A patent/KR100685098B1/ko not_active IP Right Cessation
-
2002
- 2002-07-15 US US10/194,068 patent/US7042434B2/en not_active Expired - Fee Related
- 2002-08-30 CN CNB021319812A patent/CN1223922C/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
KR20030019745A (ko) | 2003-03-07 |
KR100685098B1 (ko) | 2007-02-22 |
CN1407423A (zh) | 2003-04-02 |
US20030043106A1 (en) | 2003-03-06 |
US7042434B2 (en) | 2006-05-09 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN1223922C (zh) | 笔记本计算机的灯驱动装置和驱动方法 | |
KR101473807B1 (ko) | 표시 장치용 광원 모듈 및 이를 포함하는 표시 장치 | |
CN101751866B (zh) | 用于面板显示装置的背光亮度控制 | |
KR100910595B1 (ko) | 발광 장치 어레이에서 전력 효율을 최적화하기 위한 방법및 장치 | |
CN101051444B (zh) | 发光二极管的驱动装置以及使用其的液晶显示器 | |
US8847874B2 (en) | System and method for sequential driving of information handling system display backlight LED strings | |
US7391167B2 (en) | Backlight assembly, display device and driving apparatus of light source for display device | |
CN101869004B (zh) | 具有集成的能量功能的光管理系统 | |
US7903081B2 (en) | Backlight driver, display apparatus having the same and method of driving backlight | |
CN1509465A (zh) | 用于启动平板显示器的功率管理的方法和装置 | |
CN1215198A (zh) | 显示控制方法和信息处理装置 | |
CN1264086C (zh) | 便携式计算机系统及其控制方法 | |
CN1875311A (zh) | 显示器及其控制方法 | |
CN1856815A (zh) | 一种控制发光装置的系统与方法 | |
US7589479B2 (en) | Backlight driving apparatus of liquid crystal display and method for driving backlight driving apparatus | |
CN1607884A (zh) | 通过背光调节的自动图像亮度控制 | |
CN101971702A (zh) | 照明装置和具备该照明装置的显示装置 | |
CN101051443A (zh) | 根据图像调整显示器的亮度的方法及装置 | |
KR101318754B1 (ko) | 액정표시장치 | |
CN1262983C (zh) | 控制液晶显示器功率的设备和方法 | |
TWI384450B (zh) | 影像顯示方法、裝置及相關液晶顯示器面板 | |
KR20130004815A (ko) | 액정표시장치 및 그 구동 방법 | |
CN101609648A (zh) | 一种用于显示装置的发光器件及其驱动方法 | |
JP4478075B2 (ja) | 液晶表示装置 | |
US20070222400A1 (en) | Method and apparatus for equalizing current in a fluorescent lamp array |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
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 | ||
ASS | Succession or assignment of patent right |
Owner name: YINGDI CO., LTD. Free format text: FORMER OWNER: LG ELECTRONICS INC. Effective date: 20130605 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20130605 Address after: Seoul, South Kerean Patentee after: Neo Lab Convergence Inc. Address before: Seoul, South Kerean Patentee before: LG Electronics Inc. |
|
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20051019 Termination date: 20140830 |
|
EXPY | Termination of patent right or utility model |