JP2013016518A5 - - Google Patents

Download PDF

Info

Publication number
JP2013016518A5
JP2013016518A5 JP2012232975A JP2012232975A JP2013016518A5 JP 2013016518 A5 JP2013016518 A5 JP 2013016518A5 JP 2012232975 A JP2012232975 A JP 2012232975A JP 2012232975 A JP2012232975 A JP 2012232975A JP 2013016518 A5 JP2013016518 A5 JP 2013016518A5
Authority
JP
Japan
Prior art keywords
lighting system
current supply
emitting element
current
solid
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
Application number
JP2012232975A
Other languages
English (en)
Other versions
JP2013016518A (ja
JP5433068B2 (ja
Filing date
Publication date
Application filed filed Critical
Publication of JP2013016518A publication Critical patent/JP2013016518A/ja
Publication of JP2013016518A5 publication Critical patent/JP2013016518A5/ja
Application granted granted Critical
Publication of JP5433068B2 publication Critical patent/JP5433068B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Claims (15)

  1. 少なくとも第一および第二の光をそれぞれ発光するように構成された少なくとも第一および第二の固体発光素子列と、
    前記少なくとも第一および第二の個体発光素子列にそれぞれ結合された少なくとも第一および第二の電流供給回路であって、前記第一および第二の発光素子列の対応する一つにオン状態駆動電流を供給する第一および第二の電流供給回路と、
    前記第一の電流供給回路は前記第二の個体発光素子列から生成されたフィードバック信号に応答して生成された少なくとも一つの制御信号に応答する、
    照明システム。
  2. 請求項1に記載の照明システムにおいて、
    前記第一および第二の電流供給回路の各々は、連続電流モードで動作する可変電圧ブースト、定電流電力供給回路と、
    前記電流供給回路に結合されたパルス幅変調(PWM)コントローラであって、前記第一および第二の電流供給回路の一つに、前記少なくとも第一および第二列に供給された第一のPWM制御信号および第2のPWM制御信号を生成するよう構成されたPWMコントローラと、
    を備えた照明システム。
  3. 請求項2に記載の照明システムにおいて、前記第一および第二の電流供給回路の各々は、
    前記第一のPWM信号または前記第二のPWM信号を生成するのにPWMコントローラが用いるセンサ出力信号を生成するように構成された温度センサと、
    前記電力供給回路の出力端子に結合され、前記PWMコントローラにフィードバック信号を供給するよう構成されたセンス抵抗と、
    を備えた照明システム。
  4. 請求項1に記載の照明システムにおいて、前記第一および第二の電流供給回路は前記第一および第二の電流供給回路の対応する一つの出力端子に結合され、かつ閉ループ制御を提供するフィードバック信号を提供するフィードバック入力に結合されたセンス抵抗と、
    を備える照明システム。
  5. 請求項4に記載の照明システムにおいて、さらに前記センス抵抗に結合されたフィルタであって、当該フィルタは前記フィードバック入力をフィルタするよう構成されたフィルタと、
    を備えた照明システム。
  6. 請求項1に記載の照明システムであって、
    前記第一の固体発光素子列は蛍光体でコートされ、青色に対応する主波長と、黄色に対応する主波長との混合光を含む前記第一の光を発光するように構成され、および、
    前記第二の固体発光素子列は赤色に対応する主波長を含む前記第二の光を発光するよう構成された、
    照明システム。
  7. 請求項6に記載の照明システムにおいて、前記第一の電流供給回路は、前記第二の電流供給回路で供給される前記第二の固体発光素子列の電流制御とは独立した前記第一の固体発光素子列の電流制御を供給する、
    照明システム。
  8. 請求項6記載の照明システムにおいて、さらに、赤色に対応する主波長を含む第三の光を発光するよう構成された第三の固体発光素子列を備えた、
    照明システム。
  9. 請求項8に記載の照明システムにおいて、さらに、前記第三の固体発光素子列にオン状態の駆動電流を供給するよう構成された第三の電流供給回路を備え、および
    前記第一の電流供給回路は、前記第二の電流供給回路から供給される前記第二の固体発光素子列の制御信号とは独立し、かつ前記第三の電流供給回路から供給される前記第三の固体発光素子列の電流制御から独立した第一の固体発光素子列の電流制御を提供する、
    照明システム。
  10. 請求項1記載の照明システムにおいて、少なくとも前記第一および第二の電流供給回路は各々、
    制御入力と、第一のPWMコントロール信号を提供するよう構成された第一の制御出力と、第二のPWMコントロール信号を提供するよう構成された第二の制御出力を有するコントローラと、および
    前記二つの固体発光素子列のそれぞれに結合された第一および第二の出力端子を備えた、
    照明システム。
  11. 請求項10に記載の照明システムにおいて、さらに、前記第一および第二の電流供給回路の少なくとの一つの前記第二出力端子に結合されたセンス抵抗を備えた、
    照明システム。
  12. 請求項11に記載の照明システムにおいて、前記コントローラは前記センス抵抗に結合されたフィードバック入力を備え、および
    前記コントローラは、前記フィードバック入力で受信されたフィードバック信号に応答して前記第二の制御信号を駆動するよう構成された、
    照明システム。
  13. 請求項10に記載の照明システムにおいて、前記少なくとも一つの温度センサで生成された前記センサ出力信号に応答して、前記第一および第二のPWMコントロール信号を生成するよう構成された閉ループ制御システムを備えた、
    照明装置。
  14. 請求項10に記載の照明システムにおいて、前記第一および第二の電流供給回路の少なくとも一つは、連続電流モードで動作するよう構成された可変電圧ブースト、定電流電源供給回路を備える、
    照明システム。
  15. 請求項10に記載の照明システムにおいて、前記電流供給回路の一つは、さらに、前記第二の制御回路に結合されたローパス・フィルタを備える、
    照明システム。
JP2012232975A 2005-11-18 2012-10-22 可変電圧ブースト電流源を有する固体照明パネル Expired - Fee Related JP5433068B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US73830505P 2005-11-18 2005-11-18
US60/738,305 2005-11-18

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
JP2008541357A Division JP5249773B2 (ja) 2005-11-18 2006-11-17 可変電圧ブースト電流源を有する固体照明パネル

Publications (3)

Publication Number Publication Date
JP2013016518A JP2013016518A (ja) 2013-01-24
JP2013016518A5 true JP2013016518A5 (ja) 2013-09-26
JP5433068B2 JP5433068B2 (ja) 2014-03-05

Family

ID=37900520

Family Applications (2)

Application Number Title Priority Date Filing Date
JP2008541357A Expired - Fee Related JP5249773B2 (ja) 2005-11-18 2006-11-17 可変電圧ブースト電流源を有する固体照明パネル
JP2012232975A Expired - Fee Related JP5433068B2 (ja) 2005-11-18 2012-10-22 可変電圧ブースト電流源を有する固体照明パネル

Family Applications Before (1)

Application Number Title Priority Date Filing Date
JP2008541357A Expired - Fee Related JP5249773B2 (ja) 2005-11-18 2006-11-17 可変電圧ブースト電流源を有する固体照明パネル

Country Status (4)

Country Link
US (1) US8278846B2 (ja)
EP (1) EP1949765B1 (ja)
JP (2) JP5249773B2 (ja)
WO (1) WO2007061811A1 (ja)

Families Citing this family (84)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7765792B2 (en) * 2005-10-21 2010-08-03 Honeywell International Inc. System for particulate matter sensor signal processing
US8278846B2 (en) 2005-11-18 2012-10-02 Cree, Inc. Systems and methods for calibrating solid state lighting panels
WO2007061789A1 (en) * 2005-11-18 2007-05-31 Cree, Inc. Tile for solid state lighting panel
US8514210B2 (en) 2005-11-18 2013-08-20 Cree, Inc. Systems and methods for calibrating solid state lighting panels using combined light output measurements
CN101454613A (zh) 2006-05-31 2009-06-10 科锐Led照明科技公司 具有颜色控制的照明装置及其照明方法
KR101370339B1 (ko) * 2006-12-04 2014-03-05 삼성전자 주식회사 백라이트장치 및 그 제어방법
EP2153430A2 (en) * 2007-05-16 2010-02-17 Koninklijke Philips Electronics N.V. Dynamic power control for display screens
US7812297B2 (en) * 2007-06-26 2010-10-12 Microsemi Corp. - Analog Mixed Signal Group, Ltd. Integrated synchronized optical sampling and control element
US8044899B2 (en) * 2007-06-27 2011-10-25 Hong Kong Applied Science and Technology Research Institute Company Limited Methods and apparatus for backlight calibration
KR20090015734A (ko) * 2007-08-09 2009-02-12 엘지이노텍 주식회사 광원 장치
US8829820B2 (en) * 2007-08-10 2014-09-09 Cree, Inc. Systems and methods for protecting display components from adverse operating conditions
TR200705747A2 (tr) 2007-08-17 2009-03-23 Vestel Elektroni̇k San. Ve Ti̇c. A.Ş. Ekran panellerinde arka-ışık ve piksel parlaklığının otomatik ayarlanması
JP5007650B2 (ja) * 2007-10-16 2012-08-22 ソニー株式会社 表示装置、表示装置の光量調整方法ならびに電子機器
KR101423723B1 (ko) * 2007-10-29 2014-08-04 서울바이오시스 주식회사 발광 다이오드 패키지
US8866410B2 (en) 2007-11-28 2014-10-21 Cree, Inc. Solid state lighting devices and methods of manufacturing the same
KR101511127B1 (ko) * 2008-01-22 2015-04-10 삼성디스플레이 주식회사 광원 구동 방법, 광원 구동 장치 및 이를 갖는 표시장치
WO2009113055A2 (en) * 2008-03-13 2009-09-17 Microsemi Corp. - Analog Mixed Signal Group, Ltd. A color controller for a luminaire
JP2009283401A (ja) 2008-05-26 2009-12-03 Panasonic Electric Works Co Ltd 電源装置および灯具、車両
TW201004477A (en) * 2008-06-10 2010-01-16 Microsemi Corp Analog Mixed Si Color manager for backlight systems operative at multiple current levels
US8246408B2 (en) * 2008-06-13 2012-08-21 Barco, Inc. Color calibration system for a video display
JP2010015781A (ja) 2008-07-02 2010-01-21 Sharp Corp 光源装置及び照明装置
US20100149163A1 (en) * 2008-08-08 2010-06-17 Oqo, Inc. Use of spatial high-pass filtering of images to increase perceived brightness of emissive display
US20160053977A1 (en) 2008-09-24 2016-02-25 B/E Aerospace, Inc. Flexible led lighting element
KR101591652B1 (ko) * 2008-12-01 2016-02-11 삼성디스플레이 주식회사 액정 표시 장치 및 그 구동 방법
GB0901825D0 (en) * 2009-02-05 2009-03-11 Univ Cardiff Displaying image data
US8324830B2 (en) * 2009-02-19 2012-12-04 Microsemi Corp.—Analog Mixed Signal Group Ltd. Color management for field-sequential LCD display
US8558782B2 (en) * 2009-03-24 2013-10-15 Apple Inc. LED selection for white point control in backlights
JP5133459B2 (ja) 2009-06-15 2013-01-30 シャープ株式会社 照明装置、表示装置、及びテレビ受信装置
US20120086740A1 (en) * 2009-07-03 2012-04-12 Sharp Kabushiki Kaisha Liquid Crystal Display Device And Light Source Control Method
EP2450739A4 (en) * 2009-07-03 2017-08-09 Sharp Kabushiki Kaisha Liquid crystal display device and light source control method
JP4910023B2 (ja) * 2009-08-27 2012-04-04 シャープ株式会社 光源装置
US8727553B2 (en) 2009-09-07 2014-05-20 Sharp Kabushiki Kaisha Lighting device, display device and television receiver
US9713211B2 (en) 2009-09-24 2017-07-18 Cree, Inc. Solid state lighting apparatus with controllable bypass circuits and methods of operation thereof
US8901845B2 (en) 2009-09-24 2014-12-02 Cree, Inc. Temperature responsive control for lighting apparatus including light emitting devices providing different chromaticities and related methods
US10264637B2 (en) 2009-09-24 2019-04-16 Cree, Inc. Solid state lighting apparatus with compensation bypass circuits and methods of operation thereof
KR20110057456A (ko) * 2009-11-24 2011-06-01 삼성전자주식회사 디스플레이 장치 및 백라이트 유닛
US20120013583A1 (en) * 2009-12-11 2012-01-19 Powell John P Brightness level adjustment of a lighted display device
KR101324372B1 (ko) * 2009-12-15 2013-11-01 엘지디스플레이 주식회사 액정표시장치와 그 구동 방법
WO2011083634A1 (ja) 2010-01-07 2011-07-14 シャープ株式会社 Led基板、バックライトユニットおよび液晶表示装置
US8476836B2 (en) 2010-05-07 2013-07-02 Cree, Inc. AC driven solid state lighting apparatus with LED string including switched segments
US8569974B2 (en) 2010-11-01 2013-10-29 Cree, Inc. Systems and methods for controlling solid state lighting devices and lighting apparatus incorporating such systems and/or methods
US10098197B2 (en) * 2011-06-03 2018-10-09 Cree, Inc. Lighting devices with individually compensating multi-color clusters
US10178723B2 (en) 2011-06-03 2019-01-08 Cree, Inc. Systems and methods for controlling solid state lighting devices and lighting apparatus incorporating such systems and/or methods
US9839083B2 (en) 2011-06-03 2017-12-05 Cree, Inc. Solid state lighting apparatus and circuits including LED segments configured for targeted spectral power distribution and methods of operating the same
US9337925B2 (en) 2011-06-27 2016-05-10 Cree, Inc. Apparatus and methods for optical control of lighting devices
US8742671B2 (en) 2011-07-28 2014-06-03 Cree, Inc. Solid state lighting apparatus and methods using integrated driver circuitry
EP2767144B1 (en) * 2011-10-12 2017-01-11 B/E Aerospace, Inc. Methods, apparatus and articles of manufacture to calibrate lighting units
US9565730B2 (en) * 2011-10-21 2017-02-07 Nec Display Solutions, Ltd. Backlight device and backlight control method
US10043960B2 (en) 2011-11-15 2018-08-07 Cree, Inc. Light emitting diode (LED) packages and related methods
US8823285B2 (en) 2011-12-12 2014-09-02 Cree, Inc. Lighting devices including boost converters to control chromaticity and/or brightness and related methods
US8847516B2 (en) 2011-12-12 2014-09-30 Cree, Inc. Lighting devices including current shunting responsive to LED nodes and related methods
US10187942B2 (en) 2011-12-23 2019-01-22 Cree, Inc. Methods and circuits for controlling lighting characteristics of solid state lighting devices and lighting apparatus incorporating such methods and/or circuits
CN102592516B (zh) * 2012-02-29 2013-12-25 信利半导体有限公司 一种大尺寸显示屏
US9207119B2 (en) * 2012-04-27 2015-12-08 Cymer, Llc Active spectral control during spectrum synthesis
US10062334B2 (en) * 2012-07-31 2018-08-28 Apple Inc. Backlight dimming control for a display utilizing quantum dots
JP2013016855A (ja) * 2012-09-25 2013-01-24 Panasonic Corp 電源装置および灯具、車両
US9271379B2 (en) 2012-11-16 2016-02-23 Apple Inc. Redundant operation of a backlight unit of a display device under open circuit or short circuit LED string conditions
US9076357B2 (en) 2012-11-16 2015-07-07 Apple Inc. Redundant operation of a backlight unit of a display device under a shorted LED condition
US10231300B2 (en) 2013-01-15 2019-03-12 Cree, Inc. Systems and methods for controlling solid state lighting during dimming and lighting apparatus incorporating such systems and/or methods
US10264638B2 (en) 2013-01-15 2019-04-16 Cree, Inc. Circuits and methods for controlling solid state lighting
US9474111B2 (en) 2013-02-06 2016-10-18 Cree, Inc. Solid state lighting apparatus including separately driven LED strings and methods of operating the same
JP6145918B2 (ja) * 2013-02-13 2017-06-14 パナソニックIpマネジメント株式会社 点灯装置及びそれを用いた照明器具
JP6145919B2 (ja) * 2013-02-13 2017-06-14 パナソニックIpマネジメント株式会社 点灯装置及びそれを用いた照明器具
US8896229B2 (en) 2013-03-13 2014-11-25 Cree, Inc. Lighting apparatus and methods using switched energy storage
US20150070402A1 (en) * 2013-09-12 2015-03-12 Qualcomm Incorporated Real-time color calibration of displays
RU2016119602A (ru) * 2013-11-21 2017-12-26 Барко Н.В. Способ управления осветительной системой
DE102013113053B4 (de) * 2013-11-26 2019-03-28 Schott Ag Treiberschaltung mit einer Halbleiterlichtquelle sowie Verfahren zum Betrieb einer Treiberschaltung
US9189996B2 (en) 2013-12-17 2015-11-17 Ephesus Lighting, Inc. Selectable, zone-based control for high intensity LED illumination system
US9706611B2 (en) 2014-05-30 2017-07-11 Cree, Inc. Solid state lighting apparatuses, circuits, methods, and computer program products providing targeted spectral power distribution output using pulse width modulation control
US9730302B2 (en) 2015-12-28 2017-08-08 Ephesus Lighting, Inc. System and method for control of an illumination device
US10080271B2 (en) * 2016-02-18 2018-09-18 Rosemount Inc. LED continuous constant irradiance with temperature variation
CN105957471A (zh) * 2016-07-14 2016-09-21 武汉华星光电技术有限公司 色温可调显示系统及色温调节方法
US10348974B2 (en) * 2016-08-02 2019-07-09 Cree, Inc. Solid state lighting fixtures and image capture systems
WO2018075048A1 (en) * 2016-10-20 2018-04-26 Hewlett-Packard Development Company, L.P. Displays having calibrators
CN107452344A (zh) * 2017-08-18 2017-12-08 京东方科技集团股份有限公司 一种背光源的调节方法及装置
US11302234B2 (en) * 2018-08-07 2022-04-12 Facebook Technologies, Llc Error correction for display device
CN109116626B (zh) * 2018-09-04 2021-08-10 京东方科技集团股份有限公司 一种背光源及其制作方法、显示装置
US10660174B2 (en) * 2018-10-16 2020-05-19 Ideal Industries Lighting Llc Solid state luminaire with field-configurable CCT and/or luminosity
US10957235B1 (en) * 2018-10-24 2021-03-23 Facebook Technologies, Llc Color shift correction for display device
US11116055B2 (en) * 2018-12-27 2021-09-07 Lumileds Llc Time slicing method for multi-channel color tuning using a single current source input
US10847075B1 (en) 2019-04-10 2020-11-24 Facebook Technologies, Llc Error correction for display device
US11227528B2 (en) * 2020-05-29 2022-01-18 Microsoft Technology Licensing, Llc Setting white point based on display temperature
US11900859B2 (en) * 2021-05-21 2024-02-13 Lumileds Llc Active matrix hybrid microLED display
CN116235240A (zh) * 2021-08-31 2023-06-06 瑞仪(广州)光电子器件有限公司 背光控制方法及背光控制电路

Family Cites Families (146)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3927290A (en) 1974-11-14 1975-12-16 Teletype Corp Selectively illuminated pushbutton switch
JPS5517180A (en) * 1978-07-24 1980-02-06 Handotai Kenkyu Shinkokai Light emitting diode display
US4859911A (en) * 1987-02-13 1989-08-22 International Business Machines Corporation Power supply for electroluminescent panel
US5150016A (en) 1990-09-21 1992-09-22 Rohm Co., Ltd. LED light source with easily adjustable luminous energy
US5510016A (en) * 1991-08-15 1996-04-23 Mobil Oil Corporation Gasoline upgrading process
US5264997A (en) * 1992-03-04 1993-11-23 Dominion Automotive Industries Corp. Sealed, inductively powered lamp assembly
US5642129A (en) * 1994-03-23 1997-06-24 Kopin Corporation Color sequential display panels
KR100629544B1 (ko) * 1996-06-26 2006-09-27 오스람 게젤샤프트 미트 베쉬랭크터 하프퉁 발광 변환 소자를 포함하는 발광 반도체 소자
US5783909A (en) * 1997-01-10 1998-07-21 Relume Corporation Maintaining LED luminous intensity
US6700692B2 (en) * 1997-04-02 2004-03-02 Gentex Corporation Electrochromic rearview mirror assembly incorporating a display/signal light
US6292901B1 (en) * 1997-08-26 2001-09-18 Color Kinetics Incorporated Power/data protocol
GB2329238A (en) * 1997-09-12 1999-03-17 Hassan Paddy Abdel Salam LED light source
US6236331B1 (en) * 1998-02-20 2001-05-22 Newled Technologies Inc. LED traffic light intensity controller
US6095661A (en) * 1998-03-19 2000-08-01 Ppt Vision, Inc. Method and apparatus for an L.E.D. flashlight
US6127784A (en) * 1998-08-31 2000-10-03 Dialight Corporation LED driving circuitry with variable load to control output light intensity of an LED
US5959316A (en) * 1998-09-01 1999-09-28 Hewlett-Packard Company Multiple encapsulation of phosphor-LED devices
US6078148A (en) * 1998-10-09 2000-06-20 Relume Corporation Transformer tap switching power supply for LED traffic signal
US6495964B1 (en) 1998-12-18 2002-12-17 Koninklijke Philips Electronics N.V. LED luminaire with electrically adjusted color balance using photodetector
FI106770B (fi) * 1999-01-22 2001-03-30 Nokia Mobile Phones Ltd Valaiseva elektroninen laite ja valaisumenetelmä
US6633301B1 (en) * 1999-05-17 2003-10-14 Displaytech, Inc. RGB illuminator with calibration via single detector servo
US6153985A (en) * 1999-07-09 2000-11-28 Dialight Corporation LED driving circuitry with light intensity feedback to control output light intensity of an LED
US6335538B1 (en) * 1999-07-23 2002-01-01 Impulse Dynamics N.V. Electro-optically driven solid state relay system
US6504301B1 (en) 1999-09-03 2003-01-07 Lumileds Lighting, U.S., Llc Non-incandescent lightbulb package using light emitting diodes
US6271633B1 (en) * 1999-11-01 2001-08-07 Philips Electronics North America Corporation High power factor electronic ballast with fully differential circuit topology
US6357889B1 (en) * 1999-12-01 2002-03-19 General Electric Company Color tunable light source
US6350041B1 (en) * 1999-12-03 2002-02-26 Cree Lighting Company High output radial dispersing lamp using a solid state light source
US6181079B1 (en) * 1999-12-20 2001-01-30 Philips Electronics North America Corporation High power electronic ballast with an integrated magnetic component
US6566808B1 (en) 1999-12-22 2003-05-20 General Electric Company Luminescent display and method of making
US6285139B1 (en) * 1999-12-23 2001-09-04 Gelcore, Llc Non-linear light-emitting load current control
US6362578B1 (en) * 1999-12-23 2002-03-26 Stmicroelectronics, Inc. LED driver circuit and method
JP2001215913A (ja) * 2000-02-04 2001-08-10 Toko Inc 点灯回路
US6498440B2 (en) 2000-03-27 2002-12-24 Gentex Corporation Lamp assembly incorporating optical feedback
US6448550B1 (en) 2000-04-27 2002-09-10 Agilent Technologies, Inc. Method and apparatus for measuring spectral content of LED light source and control thereof
TWI240241B (en) * 2000-05-04 2005-09-21 Koninkl Philips Electronics Nv Assembly of a display device and an illumination system
US6608614B1 (en) * 2000-06-22 2003-08-19 Rockwell Collins, Inc. Led-based LCD backlight with extended color space
FI109632B (fi) * 2000-11-06 2002-09-13 Nokia Corp Valkoinen valaisu
US6441558B1 (en) * 2000-12-07 2002-08-27 Koninklijke Philips Electronics N.V. White LED luminary light control system
US6888529B2 (en) * 2000-12-12 2005-05-03 Koninklijke Philips Electronics N.V. Control and drive circuit arrangement for illumination performance enhancement with LED light sources
US6411046B1 (en) * 2000-12-27 2002-06-25 Koninklijke Philips Electronics, N. V. Effective modeling of CIE xy coordinates for a plurality of LEDs for white LED light control
JP2002203988A (ja) * 2000-12-28 2002-07-19 Toshiba Lsi System Support Kk 発光素子駆動回路
AT410266B (de) * 2000-12-28 2003-03-25 Tridonic Optoelectronics Gmbh Lichtquelle mit einem lichtemittierenden element
US6359392B1 (en) * 2001-01-04 2002-03-19 Motorola, Inc. High efficiency LED driver
US6624350B2 (en) * 2001-01-18 2003-09-23 Arise Technologies Corporation Solar power management system
US6510995B2 (en) * 2001-03-16 2003-01-28 Koninklijke Philips Electronics N.V. RGB LED based light driver using microprocessor controlled AC distributed power system
US6576881B2 (en) * 2001-04-06 2003-06-10 Koninklijke Philips Electronics N.V. Method and system for controlling a light source
US6992803B2 (en) * 2001-05-08 2006-01-31 Koninklijke Philips Electronics N.V. RGB primary color point identification system and method
US20020190972A1 (en) 2001-05-17 2002-12-19 Ven De Van Antony Display screen performance or content verification methods and apparatus
US6741351B2 (en) * 2001-06-07 2004-05-25 Koninklijke Philips Electronics N.V. LED luminaire with light sensor configurations for optical feedback
US7714824B2 (en) * 2001-06-11 2010-05-11 Genoa Color Technologies Ltd. Multi-primary display with spectrally adapted back-illumination
US6621235B2 (en) * 2001-08-03 2003-09-16 Koninklijke Philips Electronics N.V. Integrated LED driving device with current sharing for multiple LED strings
US6630801B2 (en) * 2001-10-22 2003-10-07 Lümileds USA Method and apparatus for sensing the color point of an RGB LED white luminary using photodiodes
US7858403B2 (en) * 2001-10-31 2010-12-28 Cree, Inc. Methods and systems for fabricating broad spectrum light emitting devices
US6851834B2 (en) * 2001-12-21 2005-02-08 Joseph A. Leysath Light emitting diode lamp having parabolic reflector and diffuser
JP4099496B2 (ja) 2002-03-01 2008-06-11 シャープ株式会社 発光装置並びに該発光装置を用いた表示装置及び読み取り装置
US7093958B2 (en) * 2002-04-09 2006-08-22 Osram Sylvania Inc. LED light source assembly
US6841947B2 (en) * 2002-05-14 2005-01-11 Garmin At, Inc. Systems and methods for controlling brightness of an avionics display
US6753661B2 (en) 2002-06-17 2004-06-22 Koninklijke Philips Electronics N.V. LED-based white-light backlighting for electronic displays
JP2004034741A (ja) * 2002-06-28 2004-02-05 Matsushita Electric Works Ltd 車載用のテール/ストップランプ
US7023543B2 (en) * 2002-08-01 2006-04-04 Cunningham David W Method for controlling the luminous flux spectrum of a lighting fixture
JP2004193029A (ja) * 2002-12-13 2004-07-08 Advanced Display Inc 光源装置及び表示装置
ATE424099T1 (de) * 2002-12-26 2009-03-15 Koninkl Philips Electronics Nv Pwm-led-regler mit abtast- und haltefunktion
US7067995B2 (en) 2003-01-15 2006-06-27 Luminator, Llc LED lighting system
US6936857B2 (en) * 2003-02-18 2005-08-30 Gelcore, Llc White light LED device
JP4540298B2 (ja) 2003-03-20 2010-09-08 三菱電機株式会社 画像表示装置および画像表示方法
FR2854252B1 (fr) * 2003-04-25 2005-08-05 Thales Sa Dispositif d'asservissement de parametres photo colorimetriques pour boite a lumiere a leds colorees
US6964507B2 (en) 2003-04-25 2005-11-15 Everbrite, Llc Sign illumination system
CN1784931B (zh) * 2003-05-07 2014-06-18 皇家飞利浦电子股份有限公司 用于多个发光二极管的单个驱动器
JP5197957B2 (ja) * 2003-07-23 2013-05-15 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 個別の光源を複数備えた照明装置の制御システム
US6841804B1 (en) * 2003-10-27 2005-01-11 Formosa Epitaxy Incorporation Device of white light-emitting diode
JP2005144679A (ja) * 2003-11-11 2005-06-09 Roland Dg Corp インクジェットプリンタ
EP1548573A1 (en) 2003-12-23 2005-06-29 Barco N.V. Hierarchical control system for a tiled large-screen emissive display
US7009343B2 (en) * 2004-03-11 2006-03-07 Kevin Len Li Lim System and method for producing white light using LEDs
US7256557B2 (en) * 2004-03-11 2007-08-14 Avago Technologies General Ip(Singapore) Pte. Ltd. System and method for producing white light using a combination of phosphor-converted white LEDs and non-phosphor-converted color LEDs
JP4241487B2 (ja) 2004-04-20 2009-03-18 ソニー株式会社 Led駆動装置、バックライト光源装置及びカラー液晶表示装置
US7339332B2 (en) 2004-05-24 2008-03-04 Honeywell International, Inc. Chroma compensated backlit display
KR100665298B1 (ko) * 2004-06-10 2007-01-04 서울반도체 주식회사 발광장치
US7202608B2 (en) * 2004-06-30 2007-04-10 Tir Systems Ltd. Switched constant current driving and control circuit
US7474294B2 (en) * 2004-09-07 2009-01-06 Avago Technologies Ecbu Ip (Singapore) Pte. Ltd. Use of a plurality of light sensors to regulate a direct-firing backlight for a display
US7135664B2 (en) 2004-09-08 2006-11-14 Emteq Lighting and Cabin Systems, Inc. Method of adjusting multiple light sources to compensate for variation in light output that occurs with time
DE102004047669A1 (de) * 2004-09-30 2006-04-13 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Beleuchtungseinrichtung und Verfahren zur Regelung
TWM267478U (en) * 2004-11-10 2005-06-11 Logah Technology Corp Lamp current controller
US7419839B2 (en) * 2004-11-12 2008-09-02 Philips Lumileds Lighting Company, Llc Bonding an optical element to a light emitting device
JP2006147171A (ja) 2004-11-16 2006-06-08 Yokogawa Electric Corp 光源装置
JP2006269375A (ja) * 2005-03-25 2006-10-05 Sony Corp バックライト装置及び液晶表示装置
US7375476B2 (en) 2005-04-08 2008-05-20 S.C. Johnson & Son, Inc. Lighting device having a circuit including a plurality of light emitting diodes, and methods of controlling and calibrating lighting devices
US7339323B2 (en) * 2005-04-29 2008-03-04 02Micro International Limited Serial powering of an LED string
EP1922905B1 (en) * 2005-08-17 2012-07-04 Koninklijke Philips Electronics N.V. Digitally controlled luminaire system
US7317288B2 (en) * 2005-09-02 2008-01-08 Au Optronics Corporation Controlling method and system for LED-based backlighting source
JP2007080882A (ja) 2005-09-09 2007-03-29 Matsushita Electric Works Ltd 光調整装置
US7872430B2 (en) * 2005-11-18 2011-01-18 Cree, Inc. Solid state lighting panels with variable voltage boost current sources
US7926300B2 (en) * 2005-11-18 2011-04-19 Cree, Inc. Adaptive adjustment of light output of solid state lighting panels
US8514210B2 (en) * 2005-11-18 2013-08-20 Cree, Inc. Systems and methods for calibrating solid state lighting panels using combined light output measurements
US8278846B2 (en) 2005-11-18 2012-10-02 Cree, Inc. Systems and methods for calibrating solid state lighting panels
WO2007061789A1 (en) * 2005-11-18 2007-05-31 Cree, Inc. Tile for solid state lighting panel
CN101460779A (zh) * 2005-12-21 2009-06-17 科锐Led照明技术公司 照明装置
JP5137847B2 (ja) * 2005-12-21 2013-02-06 クリー インコーポレイテッド 照明装置、および照明方法
US7213940B1 (en) * 2005-12-21 2007-05-08 Led Lighting Fixtures, Inc. Lighting device and lighting method
KR20090009772A (ko) 2005-12-22 2009-01-23 크리 엘이디 라이팅 솔루션즈, 인크. 조명 장치
CN1988743B (zh) * 2005-12-22 2010-09-01 乐金显示有限公司 驱动发光二极管的装置
JP4796849B2 (ja) * 2006-01-12 2011-10-19 日立アプライアンス株式会社 直流電源装置、発光ダイオード用電源、及び照明装置
JP2009524247A (ja) * 2006-01-20 2009-06-25 クリー エル イー ディー ライティング ソリューションズ インコーポレイテッド ルミファー膜を空間的に分離することにより固体光発光素子におけるスペクトル内容をシフトすること
JP2007200610A (ja) * 2006-01-24 2007-08-09 Koito Mfg Co Ltd 車両用灯具の点灯制御装置
US7852009B2 (en) * 2006-01-25 2010-12-14 Cree, Inc. Lighting device circuit with series-connected solid state light emitters and current regulator
JP4869744B2 (ja) * 2006-03-09 2012-02-08 株式会社 日立ディスプレイズ Led照明装置及びこれを用いた液晶表示装置
WO2007123938A2 (en) 2006-04-18 2007-11-01 Cree Led Lighting Solutions, Inc. Lighting device and lighting method
US8513875B2 (en) 2006-04-18 2013-08-20 Cree, Inc. Lighting device and lighting method
US9084328B2 (en) * 2006-12-01 2015-07-14 Cree, Inc. Lighting device and lighting method
CN101449099A (zh) 2006-04-20 2009-06-03 科锐Led照明科技公司 照明装置及照明方法
US7777166B2 (en) * 2006-04-21 2010-08-17 Cree, Inc. Solid state luminaires for general illumination including closed loop feedback control
US7586271B2 (en) * 2006-04-28 2009-09-08 Hong Kong Applied Science and Technology Research Institute Co. Ltd Efficient lighting
KR101340682B1 (ko) 2006-05-05 2013-12-12 크리, 인코포레이티드 조명 장치
WO2007139780A2 (en) 2006-05-23 2007-12-06 Cree Led Lighting Solutions, Inc. Lighting device and method of making
US8033692B2 (en) 2006-05-23 2011-10-11 Cree, Inc. Lighting device
JP2007318879A (ja) * 2006-05-24 2007-12-06 Stanley Electric Co Ltd 電源装置
EP2033235B1 (en) 2006-05-26 2017-06-21 Cree, Inc. Solid state light emitting device
BRPI0712439B1 (pt) 2006-05-31 2019-11-05 Cree Led Lighting Solutions Inc dispositivo de iluminação e método de iluminação
JP5933161B2 (ja) 2006-05-31 2016-06-08 クリー インコーポレイテッドCree Inc. 照明装置、および照明方法
CN101454613A (zh) 2006-05-31 2009-06-10 科锐Led照明科技公司 具有颜色控制的照明装置及其照明方法
JP2010502014A (ja) * 2006-08-23 2010-01-21 クリー エル イー ディー ライティング ソリューションズ インコーポレイテッド 照明装置、および照明方法
EP2573923B1 (en) * 2006-09-13 2019-04-03 Cree, Inc. Circuit for supplying electrical power
EP2066968B1 (en) * 2006-09-18 2016-04-27 Cree, Inc. Lighting devices, lighting assemblies, fixtures and methods using same
US8827507B2 (en) * 2006-09-21 2014-09-09 Cree, Inc. Lighting assemblies, methods of installing same, and methods of replacing lights
CN101558501B (zh) * 2006-10-12 2015-04-22 科锐公司 照明装置及其制造方法
CA2666343A1 (en) * 2006-10-23 2008-05-02 Cree Led Lighting Solutions, Inc. Lighting devices and methods of installing light engine housings and/or trim elements in lighting device housings
US8029155B2 (en) * 2006-11-07 2011-10-04 Cree, Inc. Lighting device and lighting method
TWI496315B (zh) * 2006-11-13 2015-08-11 Cree Inc 照明裝置、被照明的殼體及照明方法
CN101611258A (zh) * 2006-11-14 2009-12-23 科锐Led照明科技公司 光引擎组件
WO2008061084A1 (en) * 2006-11-14 2008-05-22 Cree Led Lighting Solutions, Inc. Lighting assemblies and components for lighting assemblies
WO2008067515A1 (en) * 2006-11-30 2008-06-05 Cree Led Lighting Solutions, Inc. Light fixtures, lighting devices, and components for the same
US7315139B1 (en) * 2006-11-30 2008-01-01 Avago Technologis Ecbu Ip (Singapore) Pte Ltd Light source having more than three LEDs in which the color points are maintained using a three channel color sensor
KR101446366B1 (ko) * 2006-12-07 2014-10-02 크리, 인코포레이티드 조명 장치 및 조명 방법
US8456388B2 (en) * 2007-02-14 2013-06-04 Cree, Inc. Systems and methods for split processor control in a solid state lighting panel
US7478922B2 (en) * 2007-03-14 2009-01-20 Renaissance Lighting, Inc. Set-point validation for color/intensity settings of light fixtures
US7967480B2 (en) 2007-05-03 2011-06-28 Cree, Inc. Lighting fixture
JP5371960B2 (ja) 2007-05-07 2013-12-18 クリー インコーポレイテッド 照明器具および照明装置
EP2469153B1 (en) 2007-05-08 2018-11-28 Cree, Inc. Lighting devices and methods for lighting
EP2153112B1 (en) 2007-05-08 2016-05-04 Cree, Inc. Lighting device and lighting method
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
US20090033612A1 (en) * 2007-07-31 2009-02-05 Roberts John K Correction of temperature induced color drift in solid state lighting displays
US8829820B2 (en) * 2007-08-10 2014-09-09 Cree, Inc. Systems and methods for protecting display components from adverse operating conditions
US8018135B2 (en) * 2007-10-10 2011-09-13 Cree, Inc. Lighting device and method of making
JP2011501466A (ja) * 2007-10-26 2011-01-06 クリー エル イー ディー ライティング ソリューションズ インコーポレイテッド 1つまたは複数の発光体を有する照明デバイス、およびその製作方法
US7595786B2 (en) * 2007-11-13 2009-09-29 Capella Microsystems, Corp. Illumination system and illumination control method for adaptively adjusting color temperature
US8866410B2 (en) * 2007-11-28 2014-10-21 Cree, Inc. Solid state lighting devices and methods of manufacturing the same
US8823630B2 (en) * 2007-12-18 2014-09-02 Cree, Inc. Systems and methods for providing color management control in a lighting panel
US8115419B2 (en) * 2008-01-23 2012-02-14 Cree, Inc. Lighting control device for controlling dimming, lighting device including a control device, and method of controlling lighting

Similar Documents

Publication Publication Date Title
JP2013016518A5 (ja)
EP3326434B1 (en) Lighting apparatus using multiple led strings with current mirror circuitry and methods of operating same
US8120277B2 (en) Hybrid-control current driver for dimming and color mixing in display and illumination systems
JP2010528456A (ja) Ledのためのドライバ装置
US10674576B2 (en) Illumination system including tunable light engine
JP2006059605A5 (ja)
WO2015062938A3 (en) Light unit for emitting light and method for driving a light unit
JP2014513383A5 (ja)
JP2015510667A5 (ja)
JP2015501521A5 (ja)
WO2014075341A1 (zh) 解决恒流驱动芯片温度过高的方法及led灯条驱动电路
KR101952635B1 (ko) 엘이디 구동회로
JP2014525145A5 (ja)
RU2014122555A (ru) Самонастраивающийся драйвер освещения для возбуждения источников света и осветительное устройство, включающее в себя самонастраивающийся драйвер освещения
JP2017518724A5 (ja)
JP2014170880A (ja) 発光素子の点灯装置、光源装置
US8067900B2 (en) Electronic device for driving LED strings
WO2014075326A1 (zh) 实现led灯条电流倍增的方法及其对应的驱动电路
JP2014078374A5 (ja)
TWI495394B (zh) 發光二極體驅動裝置及其運作方法
US20140139136A1 (en) Lighting device and control device for controlling a plurality of light-emitting diodes in an open-loop and/or closed-loop manner
KR102165446B1 (ko) 발광 다이오드 구동 장치
WO2014075327A1 (zh) 应用恒流驱动芯片产生不同电流驱动灯条的方法及其驱动电路
CN108966408A (zh) 由多个光发射器共用的电流源
JP6296051B2 (ja) 照明装置