CN100578302C - 用于光源的显示设备和驱动设备 - Google Patents
用于光源的显示设备和驱动设备 Download PDFInfo
- Publication number
- CN100578302C CN100578302C CN200510087421A CN200510087421A CN100578302C CN 100578302 C CN100578302 C CN 100578302C CN 200510087421 A CN200510087421 A CN 200510087421A CN 200510087421 A CN200510087421 A CN 200510087421A CN 100578302 C CN100578302 C CN 100578302C
- Authority
- CN
- China
- Prior art keywords
- control signal
- resistance
- light source
- temperature
- output
- 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
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Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
- H05B41/14—Circuit arrangements
- H05B41/26—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc
- H05B41/28—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters
- H05B41/282—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters with semiconductor devices
- H05B41/285—Arrangements for protecting lamps or circuits against abnormal operating conditions
- H05B41/2858—Arrangements for protecting lamps or circuits against abnormal operating conditions for protecting the lamp against abnormal operating conditions
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
-
- 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
- G09G2320/04—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
- G09G2330/00—Aspects of power supply; Aspects of display protection and defect management
- G09G2330/04—Display protection
-
- 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
-
- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Computer Hardware Design (AREA)
- Nonlinear Science (AREA)
- Crystallography & Structural Chemistry (AREA)
- Optics & Photonics (AREA)
- Chemical & Material Sciences (AREA)
- Mathematical Physics (AREA)
- Liquid Crystal (AREA)
- Liquid Crystal Display Device Control (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Circuit Arrangements For Discharge Lamps (AREA)
- Planar Illumination Modules (AREA)
Abstract
Description
Claims (21)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR57127/04 | 2004-07-22 | ||
KR1020040057127A KR101133755B1 (ko) | 2004-07-22 | 2004-07-22 | 표시 장치 및 표시 장치용 광원의 구동 장치 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1725072A CN1725072A (zh) | 2006-01-25 |
CN100578302C true CN100578302C (zh) | 2010-01-06 |
Family
ID=35656430
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN200510087421A Expired - Fee Related CN100578302C (zh) | 2004-07-22 | 2005-07-22 | 用于光源的显示设备和驱动设备 |
Country Status (5)
Country | Link |
---|---|
US (1) | US7595785B2 (zh) |
JP (1) | JP2006039558A (zh) |
KR (1) | KR101133755B1 (zh) |
CN (1) | CN100578302C (zh) |
TW (1) | TW200604676A (zh) |
Families Citing this family (39)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100735460B1 (ko) * | 2005-09-09 | 2007-07-03 | 삼성전기주식회사 | 온도 보상 기능을 갖는 led 구동 제어 회로 |
JP4830436B2 (ja) * | 2005-10-03 | 2011-12-07 | 株式会社日立製作所 | ディスプレイ装置 |
US20070132709A1 (en) * | 2005-12-12 | 2007-06-14 | Toshiba Matsushita Display Technology Co., Ltd | Liquid crystal display device and method for driving the same |
KR20070079455A (ko) * | 2006-02-02 | 2007-08-07 | 삼성전자주식회사 | 복수 개의 발광소자를 구비한 백라이트 유닛 및 그 제어방법 |
CN100446631C (zh) * | 2006-04-30 | 2008-12-24 | 友达光电股份有限公司 | 亮度调整电路以及应用其的电激发光显示器 |
JP4207986B2 (ja) * | 2006-06-28 | 2009-01-14 | 双葉電子工業株式会社 | 蛍光表示装置とその駆動方法 |
KR20080033771A (ko) * | 2006-10-13 | 2008-04-17 | 삼성전자주식회사 | 백라이트 유닛의 구동장치, 이를 구비한 액정표시장치, 및그 제어방법 |
EP1926351B1 (en) * | 2006-11-08 | 2012-12-19 | MathBright Technology Co., Ltd. | Driving circuit of surface light source and method of driving the same |
JP5134237B2 (ja) * | 2006-12-13 | 2013-01-30 | エルジー ディスプレイ カンパニー リミテッド | 液晶表示装置 |
JP2008251339A (ja) * | 2007-03-30 | 2008-10-16 | Sony Corp | 蛍光管駆動方法および装置 |
KR101577818B1 (ko) * | 2007-04-09 | 2015-12-15 | 주식회사 엘지씨엔에스 | 매체두께검지장치 및 방법 |
JP2008278292A (ja) * | 2007-05-01 | 2008-11-13 | Funai Electric Co Ltd | 表示装置及び液晶テレビジョン |
US8125163B2 (en) | 2008-05-21 | 2012-02-28 | Manufacturing Resources International, Inc. | Backlight adjustment system |
TWI383367B (zh) * | 2008-06-13 | 2013-01-21 | Hon Hai Prec Ind Co Ltd | 顯示器驅動電路 |
TWI408650B (zh) * | 2008-07-10 | 2013-09-11 | Innolux Corp | 顯示器及其驅動裝置與驅動方法 |
US20110109655A1 (en) * | 2008-08-08 | 2011-05-12 | Daisuke Takeda | Backlight and display device using the same |
US9812047B2 (en) | 2010-02-25 | 2017-11-07 | Manufacturing Resources International, Inc. | System and method for remotely monitoring the operating life of electronic displays |
CN102135931A (zh) * | 2010-01-25 | 2011-07-27 | 英业达股份有限公司 | 被动背板的测试模块及其测试被动背板的方法 |
JP5400667B2 (ja) * | 2010-03-10 | 2014-01-29 | 富士重工業株式会社 | 電界放出型ランプの駆動装置 |
KR20190130079A (ko) | 2011-09-23 | 2019-11-20 | 매뉴팩처링 리소시스 인터내셔널 인코포레이티드 | 디스플레이 특성들의 환경 적응을 위한 시스템 및 방법 |
US9459141B2 (en) * | 2014-03-11 | 2016-10-04 | Getac Technology Corporation | Brightness control apparatus and brightness control method |
US9924583B2 (en) | 2015-05-14 | 2018-03-20 | Mnaufacturing Resources International, Inc. | Display brightness control based on location data |
US10593255B2 (en) | 2015-05-14 | 2020-03-17 | Manufacturing Resources International, Inc. | Electronic display with environmental adaptation of display characteristics based on location |
US10607520B2 (en) | 2015-05-14 | 2020-03-31 | Manufacturing Resources International, Inc. | Method for environmental adaptation of display characteristics based on location |
JP6639653B2 (ja) | 2015-09-10 | 2020-02-05 | マニュファクチャリング・リソーシズ・インターナショナル・インコーポレーテッド | ディスプレイエラーのシステム検出のためのシステムおよび方法 |
US10586508B2 (en) | 2016-07-08 | 2020-03-10 | Manufacturing Resources International, Inc. | Controlling display brightness based on image capture device data |
US10578658B2 (en) | 2018-05-07 | 2020-03-03 | Manufacturing Resources International, Inc. | System and method for measuring power consumption of an electronic display assembly |
WO2019241546A1 (en) | 2018-06-14 | 2019-12-19 | Manufacturing Resources International, Inc. | System and method for detecting gas recirculation or airway occlusion |
US10908863B2 (en) | 2018-07-12 | 2021-02-02 | Manufacturing Resources International, Inc. | System and method for providing access to co-located operations data for an electronic display |
US11645029B2 (en) | 2018-07-12 | 2023-05-09 | Manufacturing Resources International, Inc. | Systems and methods for remotely monitoring electronic displays |
US11137847B2 (en) | 2019-02-25 | 2021-10-05 | Manufacturing Resources International, Inc. | Monitoring the status of a touchscreen |
US11402940B2 (en) | 2019-02-25 | 2022-08-02 | Manufacturing Resources International, Inc. | Monitoring the status of a touchscreen |
CN114830218A (zh) | 2020-01-03 | 2022-07-29 | 三星电子株式会社 | 显示模块及其驱动方法 |
US11526044B2 (en) | 2020-03-27 | 2022-12-13 | Manufacturing Resources International, Inc. | Display unit with orientation based operation |
KR20230154964A (ko) | 2021-03-15 | 2023-11-09 | 매뉴팩처링 리소시스 인터내셔널 인코포레이티드 | 전자 표시장치 조립체를 위한 팬 제어 |
US11921010B2 (en) | 2021-07-28 | 2024-03-05 | Manufacturing Resources International, Inc. | Display assemblies with differential pressure sensors |
US11965804B2 (en) | 2021-07-28 | 2024-04-23 | Manufacturing Resources International, Inc. | Display assemblies with differential pressure sensors |
US11972672B1 (en) | 2022-10-26 | 2024-04-30 | Manufacturing Resources International, Inc. | Display assemblies providing open and unlatched alerts, systems and methods for the same |
US12027132B1 (en) | 2023-06-27 | 2024-07-02 | Manufacturing Resources International, Inc. | Display units with automated power governing |
Family Cites Families (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07211468A (ja) | 1994-01-18 | 1995-08-11 | Ushio Inc | 小型蛍光管点灯装置 |
JPH07272881A (ja) | 1994-03-31 | 1995-10-20 | Toshiba Lighting & Technol Corp | 放電灯点灯装置および照明装置 |
JPH10104571A (ja) | 1996-09-30 | 1998-04-24 | Sharp Corp | 液晶表示装置 |
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 |
JPH10189259A (ja) | 1996-12-19 | 1998-07-21 | Nec Home Electron Ltd | バックライト用調光装置 |
KR100355728B1 (ko) | 1997-01-07 | 2002-11-18 | 샤프 가부시키가이샤 | 조명장치,그구동방법및그조명장치를포함한표시장치 |
US5907742A (en) | 1997-03-09 | 1999-05-25 | Hewlett-Packard Company | Lamp control scheme for rapid warmup of fluorescent lamp in office equipment |
JP4294745B2 (ja) * | 1997-09-26 | 2009-07-15 | 株式会社半導体エネルギー研究所 | 光電変換装置の作製方法 |
JP2000150191A (ja) | 1998-11-13 | 2000-05-30 | Murata Mfg Co Ltd | 冷陰極管駆動装置 |
JP2000287035A (ja) | 1999-03-30 | 2000-10-13 | Nec Corp | 光源制御装置 |
US6198234B1 (en) * | 1999-06-09 | 2001-03-06 | Linfinity Microelectronics | Dimmable backlight system |
JP3950598B2 (ja) | 1999-10-28 | 2007-08-01 | 日本電気株式会社 | 冷陰極管光源を有するスキャナ |
JP2001169273A (ja) | 1999-12-06 | 2001-06-22 | Sharp Corp | カラーテレビドアホン装置 |
KR20020017358A (ko) | 2000-08-30 | 2002-03-07 | 강웅현 | 액정표시기 백 라이트 인버터 구동 장치 |
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 |
US7262752B2 (en) * | 2001-01-16 | 2007-08-28 | Visteon Global Technologies, Inc. | Series led backlight control circuit |
JP3942387B2 (ja) * | 2001-02-13 | 2007-07-11 | 株式会社小糸製作所 | 放電灯点灯回路 |
JP3889239B2 (ja) | 2001-04-18 | 2007-03-07 | 東京特殊電線株式会社 | 液晶表示装置の輝度制御方法、輝度制御装置および液晶表示装置 |
JP2003045693A (ja) | 2001-07-11 | 2003-02-14 | Fiirakkusu Corporated | 蛍光灯明るさ調節装置 |
US20030011326A1 (en) * | 2001-07-13 | 2003-01-16 | Noh Shi Youl | Fluorescent lamp brightness controller |
JP2003043577A (ja) * | 2001-08-01 | 2003-02-13 | Sanyo Electric Co Ltd | 液晶プロジェクタ |
KR100685098B1 (ko) * | 2001-08-30 | 2007-02-22 | 엘지전자 주식회사 | 노트북 컴퓨터에서의 램프구동방법 |
KR20030084451A (ko) | 2002-04-26 | 2003-11-01 | 코츠테크놀로지주식회사 | 액정 표시 장치용 백 라이트 유니트 |
KR20040006304A (ko) | 2002-07-11 | 2004-01-24 | 엘지전자 주식회사 | Lcd모니터의 휘도 안정화 장치와 제어 방법 |
CN100504528C (zh) | 2002-09-04 | 2009-06-24 | 三星电子株式会社 | 液晶显示器的反相器 |
KR100497378B1 (ko) * | 2003-01-04 | 2005-06-23 | 삼성전자주식회사 | 디스플레이 장치 및 방법 |
US7446750B2 (en) * | 2003-05-23 | 2008-11-04 | Samsung Electronics Co., Ltd. | Inverter and liquid crystal display including inverter |
US7183727B2 (en) * | 2003-09-23 | 2007-02-27 | Microsemi Corporation | Optical and temperature feedbacks to control display brightness |
-
2004
- 2004-07-22 KR KR1020040057127A patent/KR101133755B1/ko not_active IP Right Cessation
-
2005
- 2005-06-28 TW TW094121613A patent/TW200604676A/zh unknown
- 2005-07-22 CN CN200510087421A patent/CN100578302C/zh not_active Expired - Fee Related
- 2005-07-22 US US11/187,480 patent/US7595785B2/en not_active Expired - Fee Related
- 2005-07-22 JP JP2005213452A patent/JP2006039558A/ja not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
TW200604676A (en) | 2006-02-01 |
CN1725072A (zh) | 2006-01-25 |
KR20060008427A (ko) | 2006-01-26 |
KR101133755B1 (ko) | 2012-04-09 |
US7595785B2 (en) | 2009-09-29 |
JP2006039558A (ja) | 2006-02-09 |
US20060017404A1 (en) | 2006-01-26 |
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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: SAMSUNG DISPLAY CO., LTD. Free format text: FORMER OWNER: SAMSUNG ELECTRONICS CO., LTD. Effective date: 20121106 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20121106 Address after: Gyeonggi Do, South Korea Patentee after: Samsung Display Co., Ltd. Address before: Gyeonggi Do, South Korea Patentee before: Samsung Electronics Co., Ltd. |
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100106 Termination date: 20170722 |
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CF01 | Termination of patent right due to non-payment of annual fee |