DE60122005D1 - Temperaturabhängige farbsteuerung für mehrfarbige led-matrix - Google Patents

Temperaturabhängige farbsteuerung für mehrfarbige led-matrix

Info

Publication number
DE60122005D1
DE60122005D1 DE60122005T DE60122005T DE60122005D1 DE 60122005 D1 DE60122005 D1 DE 60122005D1 DE 60122005 T DE60122005 T DE 60122005T DE 60122005 T DE60122005 T DE 60122005T DE 60122005 D1 DE60122005 D1 DE 60122005D1
Authority
DE
Germany
Prior art keywords
temperature
color control
led matrix
colored led
depending color
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 - Lifetime
Application number
DE60122005T
Other languages
English (en)
Other versions
DE60122005T2 (de
Inventor
Subramanian Muthu
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.)
Koninklijke Philips NV
Original Assignee
Koninklijke Philips Electronics NV
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 Koninklijke Philips Electronics NV filed Critical Koninklijke Philips Electronics NV
Application granted granted Critical
Publication of DE60122005D1 publication Critical patent/DE60122005D1/de
Publication of DE60122005T2 publication Critical patent/DE60122005T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/20—Controlling the colour of the light
    • 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
    • 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
    • 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
    • Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S362/00—Illumination
    • Y10S362/80—Light emitting diode
DE60122005T 2000-12-27 2001-12-12 Temperaturabhängige farbsteuerung für mehrfarbige led-matrix Expired - Lifetime DE60122005T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US749170 1985-06-27
US09/749,170 US6411046B1 (en) 2000-12-27 2000-12-27 Effective modeling of CIE xy coordinates for a plurality of LEDs for white LED light control
PCT/IB2001/002519 WO2002052901A2 (en) 2000-12-27 2001-12-12 Temperature dependent color control for a luminaire with a multicolored array of leds

Publications (2)

Publication Number Publication Date
DE60122005D1 true DE60122005D1 (de) 2006-09-14
DE60122005T2 DE60122005T2 (de) 2007-03-08

Family

ID=25012574

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60122005T Expired - Lifetime DE60122005T2 (de) 2000-12-27 2001-12-12 Temperaturabhängige farbsteuerung für mehrfarbige led-matrix

Country Status (7)

Country Link
US (1) US6411046B1 (de)
EP (1) EP1348318B1 (de)
JP (1) JP4263484B2 (de)
KR (1) KR100805396B1 (de)
CN (1) CN1190653C (de)
DE (1) DE60122005T2 (de)
WO (1) WO2002052901A2 (de)

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CN1443304A (zh) 2003-09-17
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