HK1083274A1 - Led drive device - Google Patents
Led drive deviceInfo
- Publication number
- HK1083274A1 HK1083274A1 HK06103109A HK06103109A HK1083274A1 HK 1083274 A1 HK1083274 A1 HK 1083274A1 HK 06103109 A HK06103109 A HK 06103109A HK 06103109 A HK06103109 A HK 06103109A HK 1083274 A1 HK1083274 A1 HK 1083274A1
- Authority
- HK
- Hong Kong
- Prior art keywords
- drive device
- led drive
- led
- drive
- 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
- G09G3/3413—Details of control of colour illumination sources
-
- 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
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/20—Controlling the colour of the light
- H05B45/22—Controlling the colour of the light using optical feedback
-
- 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
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/40—Details of LED load circuits
- H05B45/44—Details of LED load circuits with an active control inside an LED matrix
- H05B45/46—Details of LED load circuits with an active control inside an LED matrix having LEDs disposed in parallel lines
-
- 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
- G09G2310/0235—Field-sequential colour display
-
- 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
- G09G2320/06—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
- 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
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2360/00—Aspects of the architecture of display systems
- G09G2360/14—Detecting light within display terminals, e.g. using a single or a plurality of photosensors
- G09G2360/145—Detecting light within display terminals, e.g. using a single or a plurality of photosensors the light originating from the display 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
- 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
- G09G3/2007—Display of intermediate tones
- G09G3/2014—Display of intermediate tones by modulation of the duration of a single pulse during which the logic level remains constant
-
- 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
- G09G3/22—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 using controlled light sources
- G09G3/30—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 using controlled light sources using electroluminescent panels
- G09G3/32—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 using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
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)
- Led Devices (AREA)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003098486A JP4015965B2 (ja) | 2003-04-01 | 2003-04-01 | Led駆動装置及びled駆動方法 |
JP2003098487A JP4076083B2 (ja) | 2003-04-01 | 2003-04-01 | Ledの駆動電圧設定装置及びその方法 |
JP2003098489A JP2004309510A (ja) | 2003-04-01 | 2003-04-01 | Led駆動装置及びled駆動方法 |
PCT/JP2004/004313 WO2004090997A1 (ja) | 2003-04-01 | 2004-03-26 | Led駆動装置及びled駆動方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
HK1083274A1 true HK1083274A1 (en) | 2006-06-30 |
Family
ID=33162770
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
HK06103109A HK1083274A1 (en) | 2003-04-01 | 2006-03-10 | Led drive device |
Country Status (6)
Country | Link |
---|---|
US (1) | US7425801B2 (de) |
EP (1) | EP1564821A4 (de) |
KR (1) | KR20050091701A (de) |
HK (1) | HK1083274A1 (de) |
TW (1) | TWI283844B (de) |
WO (1) | WO2004090997A1 (de) |
Families Citing this family (58)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7333031B1 (en) * | 2004-09-09 | 2008-02-19 | Revocable Living Trust Agreement Of John Allen Bantner | Illuminated keyboard |
DE102004047669A1 (de) * | 2004-09-30 | 2006-04-13 | Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH | Beleuchtungseinrichtung und Verfahren zur Regelung |
JP4815781B2 (ja) * | 2004-10-20 | 2011-11-16 | ソニー株式会社 | カラー液晶表示装置及びバックライト装置 |
US7449998B1 (en) * | 2005-01-07 | 2008-11-11 | Au Daniel W | Electronic display panels for automobiles |
KR100752376B1 (ko) * | 2005-02-22 | 2007-08-27 | 삼성에스디아이 주식회사 | 백라이트 구동회로 및 이를 구비한 액정 표시 장치 |
EP1880583B1 (de) | 2005-04-08 | 2018-12-26 | eldoLAB Holding B.V. | Verfahren und vorrichtungen zum betrieb von gruppen von hochleistungs-leds |
US8049707B2 (en) * | 2005-05-09 | 2011-11-01 | Wood Lawson A | Display apparatus and method with reduced energy consumption |
JP2007005615A (ja) * | 2005-06-24 | 2007-01-11 | Olympus Corp | 光源装置及び投影型表示装置 |
KR100708176B1 (ko) * | 2005-08-29 | 2007-04-16 | 삼성전자주식회사 | 필드 순차 영상 표시 장치 및 그 구동 방법 |
US7638754B2 (en) * | 2005-10-07 | 2009-12-29 | Sharp Kabushiki Kaisha | Backlight device, display apparatus including backlight device, method for driving backlight device, and method for adjusting backlight device |
JP2007171364A (ja) * | 2005-12-20 | 2007-07-05 | Samsung Electronics Co Ltd | 可視光led光源装置、それを用いた画像投影システムおよび可視光ledの駆動方法 |
US20070139316A1 (en) * | 2005-12-21 | 2007-06-21 | Sony Ericsson Mobile Communications Ab | Led module with integrated controller |
KR100736015B1 (ko) * | 2006-04-21 | 2007-07-06 | 홀텍 세미컨덕터 인크. | 발광다이오드의 계조성능 향상방법 및 장치 |
KR20070109532A (ko) * | 2006-05-11 | 2007-11-15 | 삼성전자주식회사 | 백라이트와 백라이트 구동 방법 및 이를 포함한액정표시장치 |
US7969097B2 (en) | 2006-05-31 | 2011-06-28 | Cree, Inc. | Lighting device with color control, and method of lighting |
KR100737867B1 (ko) | 2006-06-02 | 2007-07-12 | 삼성전자주식회사 | 발광장치 및 발광장치의 제어방법 |
KR20080008538A (ko) * | 2006-07-20 | 2008-01-24 | 삼성전자주식회사 | 디스플레이장치, 그 제어방법 및 이에 사용되는 백라이트유닛 |
KR100858379B1 (ko) * | 2006-08-31 | 2008-09-11 | 엘지이노텍 주식회사 | 백라이트유닛 구동 장치와 멀티센싱 피드백 제어 방법 |
WO2008050506A1 (fr) * | 2006-10-27 | 2008-05-02 | Sharp Kabushiki Kaisha | Dispositif d'affichage à cristaux liquides |
US8373355B2 (en) * | 2006-11-09 | 2013-02-12 | Apple Inc. | Brightness control of a status indicator light |
JP4264560B2 (ja) * | 2007-01-24 | 2009-05-20 | ソニー株式会社 | バックライト装置、バックライト制御方法、および液晶表示装置 |
KR101385453B1 (ko) * | 2007-05-02 | 2014-04-21 | 삼성디스플레이 주식회사 | 광원의 구동방법 및 이를 수행하기 위한 백라이트 어셈블리 |
US7712917B2 (en) | 2007-05-21 | 2010-05-11 | Cree, Inc. | Solid state lighting panels with limited color gamut and methods of limiting color gamut in solid state lighting panels |
US8866410B2 (en) | 2007-11-28 | 2014-10-21 | Cree, Inc. | Solid state lighting devices and methods of manufacturing the same |
KR101001024B1 (ko) * | 2007-12-18 | 2010-12-14 | 한국전자통신연구원 | 비디오 멀티캐스팅 서비스에서 정보 보안 유지 방법 및장치 |
KR100921518B1 (ko) * | 2008-01-10 | 2009-10-12 | (주)다윈텍 | Led 백 라이트 시스템 |
CA2665561C (en) * | 2008-05-13 | 2016-01-26 | Dolby Laboratories Licensing Corporation | Array scaling for high dynamic range backlight displays and other devices |
WO2010015278A1 (de) * | 2008-08-04 | 2010-02-11 | Osram Gesellschaft mit beschränkter Haftung | Betriebsverfahren und schaltungsanordnung zum getakteten betrieb mehrerer farbiger halbleiterlichtquellen für die projektion bildhafter inhalte und bewegter bilder |
KR101514952B1 (ko) * | 2008-09-30 | 2015-05-21 | 서울반도체 주식회사 | 발광 장치 |
DK2364458T3 (en) * | 2008-11-14 | 2016-07-18 | Dolby Laboratories Licensing Corp | Custom psf'er operating light in clusters |
JP5307527B2 (ja) * | 2008-12-16 | 2013-10-02 | ルネサスエレクトロニクス株式会社 | 表示装置、表示パネルドライバ、及びバックライト駆動方法 |
TWI405500B (zh) * | 2009-02-06 | 2013-08-11 | Au Optronics Corp | 發光二極體驅動裝置及其驅動方法 |
US8138687B2 (en) * | 2009-06-30 | 2012-03-20 | Apple Inc. | Multicolor lighting system |
US8373363B2 (en) | 2009-08-14 | 2013-02-12 | Once Innovations, Inc. | Reduction of harmonic distortion for LED loads |
US9433046B2 (en) | 2011-01-21 | 2016-08-30 | Once Innovations, Inc. | Driving circuitry for LED lighting with reduced total harmonic distortion |
US8643308B2 (en) | 2009-08-14 | 2014-02-04 | Once Innovations, Inc. | Spectral shift control for dimmable AC LED lighting |
US9380665B2 (en) | 2009-08-14 | 2016-06-28 | Once Innovations, Inc. | Spectral shift control for dimmable AC LED lighting |
US9232590B2 (en) | 2009-08-14 | 2016-01-05 | Once Innovations, Inc. | Driving circuitry for LED lighting with reduced total harmonic distortion |
DK2465329T3 (da) * | 2009-08-14 | 2020-01-27 | Signify North America Corp | Spektral forskydningsstyring til vekselstrøms-led-belysning som kan dæmpes |
US8779685B2 (en) | 2009-11-19 | 2014-07-15 | Intematix Corporation | High CRI white light emitting devices and drive circuitry |
US9482397B2 (en) | 2010-03-17 | 2016-11-01 | Once Innovations, Inc. | Light sources adapted to spectral sensitivity of diurnal avians and humans |
JP5071516B2 (ja) * | 2010-04-22 | 2012-11-14 | 株式会社デンソー | 電力変換装置 |
US8400626B2 (en) | 2010-06-10 | 2013-03-19 | Apple Inc. | Ambient light sensor |
US8946998B2 (en) | 2010-08-09 | 2015-02-03 | Intematix Corporation | LED-based light emitting systems and devices with color compensation |
WO2013090708A1 (en) | 2011-12-14 | 2013-06-20 | Once Innovations Inc | Light emitting system with adjustable watt equivalence |
US9255674B2 (en) | 2012-10-04 | 2016-02-09 | Once Innovations, Inc. | Method of manufacturing a light emitting diode lighting assembly |
CN105493634B (zh) | 2013-08-02 | 2019-02-01 | 万斯创新公司 | 对家畜进行照明的系统和方法 |
US9336704B2 (en) * | 2013-10-18 | 2016-05-10 | Sct Technology, Ltd. | Apparatus and method for powering LED driver |
US10206378B2 (en) | 2014-01-07 | 2019-02-19 | Once Innovations, Inc. | System and method of enhancing swine reproduction |
US9247603B2 (en) | 2014-02-11 | 2016-01-26 | Once Innovations, Inc. | Shunt regulator for spectral shift controlled light source |
CN104167175B (zh) * | 2014-08-06 | 2016-08-31 | 上海和辉光电有限公司 | 有机发光显示器 |
US20160100465A1 (en) * | 2014-10-07 | 2016-04-07 | Logitech Europe S.A. | System and method for software and peripheral integration |
CN105096843A (zh) | 2015-08-19 | 2015-11-25 | 京东方科技集团股份有限公司 | 背光源及其调整方法、调整装置和显示装置 |
US10772172B2 (en) | 2016-03-29 | 2020-09-08 | Signify North America Corporation | System and method of illuminating livestock |
US10314125B2 (en) | 2016-09-30 | 2019-06-04 | Once Innovations, Inc. | Dimmable analog AC circuit |
KR102599600B1 (ko) | 2016-11-23 | 2023-11-07 | 삼성전자주식회사 | 디스플레이 장치 및 그 구동 방법 |
CN109661073B (zh) * | 2019-01-25 | 2024-06-04 | 广州腾龙健康实业股份有限公司 | 一种pwm信号转换方法、装置及其灯具亮度调控装置 |
US11835382B2 (en) | 2021-03-02 | 2023-12-05 | Apple Inc. | Handheld electronic device |
Family Cites Families (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0316636U (de) | 1989-07-03 | 1991-02-19 | ||
US5724062A (en) * | 1992-08-05 | 1998-03-03 | Cree Research, Inc. | High resolution, high brightness light emitting diode display and method and producing the same |
JP3480594B2 (ja) | 1994-02-23 | 2003-12-22 | 豊田合成株式会社 | 集合型ledランプ |
US5808592A (en) | 1994-04-28 | 1998-09-15 | Toyoda Gosei Co., Ltd. | Integrated light-emitting diode lamp and method of producing the same |
JPH0981211A (ja) | 1995-09-14 | 1997-03-28 | Hitachi Ltd | 表示回路およびプログラマブルコントローラ |
ATE219274T1 (de) * | 1995-12-29 | 2002-06-15 | Cree Inc | Pixel mit den kopfkontakten der leds in einer ebene und displays |
JP4050802B2 (ja) * | 1996-08-02 | 2008-02-20 | シチズン電子株式会社 | カラー表示装置 |
JPH11115241A (ja) * | 1997-10-20 | 1999-04-27 | Citizen Watch Co Ltd | 複数led時分割駆動装置 |
EP0967590A1 (de) * | 1998-06-25 | 1999-12-29 | Hewlett-Packard Company | Optische Anzeigevorrichtung mit Leuchtdioden und Steuerverfahren dafür |
JP2000241811A (ja) | 1999-02-22 | 2000-09-08 | Toyota Motor Corp | フィールドシーケンシャル液晶表示装置 |
JP2001051651A (ja) | 1999-08-05 | 2001-02-23 | Saipaaku:Kk | 光源装置およびその制御方法 |
JP2001143867A (ja) | 1999-11-18 | 2001-05-25 | Nec Corp | 有機el駆動回路 |
US6342897B1 (en) | 1999-12-16 | 2002-01-29 | Dynascan Technology Corporation | Method and system for compensating for non-uniform color appearance of a display due to variations of primary colors |
TW480879B (en) | 2000-01-06 | 2002-03-21 | Dynascan Technology Corp | Method to compensate for the color no uniformity of color display |
JP3368890B2 (ja) | 2000-02-03 | 2003-01-20 | 日亜化学工業株式会社 | 画像表示装置およびその制御方法 |
FI109632B (fi) * | 2000-11-06 | 2002-09-13 | Nokia Corp | Valkoinen valaisu |
US7088334B2 (en) * | 2001-06-28 | 2006-08-08 | Matsushita Electric Industrial Co., Ltd. | Liquid crystal display device and manufacturing method thereof, and drive control method of lighting unit |
KR100395675B1 (ko) | 2001-06-28 | 2003-08-27 | 주식회사 아이엔티티 | 엘이디 신호등의 광량조절 제어장치 |
JP2003058125A (ja) | 2001-08-16 | 2003-02-28 | Konica Corp | 電子機器 |
JP2004309509A (ja) * | 2003-04-01 | 2004-11-04 | Hunet Inc | 表示装置の調整方法 |
-
2004
- 2004-03-26 EP EP04723808A patent/EP1564821A4/de not_active Withdrawn
- 2004-03-26 KR KR1020057007218A patent/KR20050091701A/ko not_active Application Discontinuation
- 2004-03-26 US US10/532,216 patent/US7425801B2/en not_active Expired - Fee Related
- 2004-03-26 WO PCT/JP2004/004313 patent/WO2004090997A1/ja active Application Filing
- 2004-03-30 TW TW093108677A patent/TWI283844B/zh not_active IP Right Cessation
-
2006
- 2006-03-10 HK HK06103109A patent/HK1083274A1/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
WO2004090997A1 (ja) | 2004-10-21 |
US20060103612A1 (en) | 2006-05-18 |
EP1564821A4 (de) | 2006-01-11 |
KR20050091701A (ko) | 2005-09-15 |
EP1564821A1 (de) | 2005-08-17 |
TWI283844B (en) | 2007-07-11 |
US7425801B2 (en) | 2008-09-16 |
TW200426742A (en) | 2004-12-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PC | Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee) |
Effective date: 20130326 |