DE602005017854D1 - Verfahren und Vorrichtung zur Einstellung des Farbpunkts einer Leuchtdiodenlampe - Google Patents

Verfahren und Vorrichtung zur Einstellung des Farbpunkts einer Leuchtdiodenlampe

Info

Publication number
DE602005017854D1
DE602005017854D1 DE602005017854T DE602005017854T DE602005017854D1 DE 602005017854 D1 DE602005017854 D1 DE 602005017854D1 DE 602005017854 T DE602005017854 T DE 602005017854T DE 602005017854 T DE602005017854 T DE 602005017854T DE 602005017854 D1 DE602005017854 D1 DE 602005017854D1
Authority
DE
Germany
Prior art keywords
adjusting
light
emitting diode
color point
diode lamp
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.)
Active
Application number
DE602005017854T
Other languages
English (en)
Inventor
Joon Chok Lee
Len Li Kevin Lim
Rizal Bin Jaffar
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Avago Technologies International Sales Pte Ltd
Original Assignee
Avago Technologies ECBU IP Singapore Pte Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Avago Technologies ECBU IP Singapore Pte Ltd filed Critical Avago Technologies ECBU IP Singapore Pte Ltd
Publication of DE602005017854D1 publication Critical patent/DE602005017854D1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • G09G3/22—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]
    • 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
    • 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
    • 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
    • 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
DE602005017854T 2004-07-28 2005-06-01 Verfahren und Vorrichtung zur Einstellung des Farbpunkts einer Leuchtdiodenlampe Active DE602005017854D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/902,409 US7324076B2 (en) 2004-07-28 2004-07-28 Methods and apparatus for setting the color point of an LED light source

Publications (1)

Publication Number Publication Date
DE602005017854D1 true DE602005017854D1 (de) 2010-01-07

Family

ID=35106969

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602005017854T Active DE602005017854D1 (de) 2004-07-28 2005-06-01 Verfahren und Vorrichtung zur Einstellung des Farbpunkts einer Leuchtdiodenlampe

Country Status (7)

Country Link
US (1) US7324076B2 (de)
EP (1) EP1622427B1 (de)
JP (2) JP4776294B2 (de)
KR (1) KR101175806B1 (de)
CN (1) CN100492109C (de)
DE (1) DE602005017854D1 (de)
TW (1) TW200614545A (de)

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US8866410B2 (en) 2007-11-28 2014-10-21 Cree, Inc. Solid state lighting devices and methods of manufacturing the same
KR101503309B1 (ko) * 2007-12-06 2015-03-17 엘지디스플레이 주식회사 백라이트 유닛의 색보정 장치
KR101511127B1 (ko) * 2008-01-22 2015-04-10 삼성디스플레이 주식회사 광원 구동 방법, 광원 구동 장치 및 이를 갖는 표시장치
CN101940064B (zh) 2008-02-07 2013-08-07 Nxp股份有限公司 多核心发光引擎结构
US9827439B2 (en) 2010-07-23 2017-11-28 Biological Illumination, Llc System for dynamically adjusting circadian rhythm responsive to scheduled events and associated methods
US9681522B2 (en) 2012-05-06 2017-06-13 Lighting Science Group Corporation Adaptive light system and associated methods
US9532423B2 (en) 2010-07-23 2016-12-27 Lighting Science Group Corporation System and methods for operating a lighting device
US8686641B2 (en) 2011-12-05 2014-04-01 Biological Illumination, Llc Tunable LED lamp for producing biologically-adjusted light
US8841864B2 (en) 2011-12-05 2014-09-23 Biological Illumination, Llc Tunable LED lamp for producing biologically-adjusted light
US8743023B2 (en) 2010-07-23 2014-06-03 Biological Illumination, Llc System for generating non-homogenous biologically-adjusted light and associated methods
US9024536B2 (en) 2011-12-05 2015-05-05 Biological Illumination, Llc Tunable LED lamp for producing biologically-adjusted light and associated methods
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CN102291552A (zh) * 2011-08-22 2011-12-21 天津三星电子有限公司 可依背景颜色变色的电视机边框
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US9220202B2 (en) 2011-12-05 2015-12-29 Biological Illumination, Llc Lighting system to control the circadian rhythm of agricultural products and associated methods
US9913341B2 (en) 2011-12-05 2018-03-06 Biological Illumination, Llc LED lamp for producing biologically-adjusted light including a cyan LED
US9289574B2 (en) 2011-12-05 2016-03-22 Biological Illumination, Llc Three-channel tuned LED lamp for producing biologically-adjusted light
US9402294B2 (en) 2012-05-08 2016-07-26 Lighting Science Group Corporation Self-calibrating multi-directional security luminaire and associated methods
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US10200208B2 (en) 2015-06-30 2019-02-05 K4Connect Inc. Home automation system including cloud and home message queue synchronization and related methods
WO2017004184A1 (en) 2015-06-30 2017-01-05 K4Connect Inc. Home automation system including device signature pairing and related methods
US10630649B2 (en) 2015-06-30 2020-04-21 K4Connect Inc. Home automation system including encrypted device connection based upon publicly accessible connection file and related methods
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US10893467B2 (en) 2015-06-30 2021-01-12 K4Connect Inc. Home automation system including selective operation of paired device based upon voice commands and related methods
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Also Published As

Publication number Publication date
US20060022999A1 (en) 2006-02-02
CN1737647A (zh) 2006-02-22
CN100492109C (zh) 2009-05-27
EP1622427A3 (de) 2007-04-18
JP2006040895A (ja) 2006-02-09
JP2011187453A (ja) 2011-09-22
US7324076B2 (en) 2008-01-29
KR101175806B1 (ko) 2012-08-24
EP1622427A2 (de) 2006-02-01
EP1622427B1 (de) 2009-11-25
TW200614545A (en) 2006-05-01
JP4776294B2 (ja) 2011-09-21
KR20060048787A (ko) 2006-05-18

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