WO2006069002A3 - Methods and apparatus for providing luminance compensation - Google Patents

Methods and apparatus for providing luminance compensation Download PDF

Info

Publication number
WO2006069002A3
WO2006069002A3 PCT/US2005/045950 US2005045950W WO2006069002A3 WO 2006069002 A3 WO2006069002 A3 WO 2006069002A3 US 2005045950 W US2005045950 W US 2005045950W WO 2006069002 A3 WO2006069002 A3 WO 2006069002A3
Authority
WO
WIPO (PCT)
Prior art keywords
luminance compensation
color temperatures
different
methods
different colors
Prior art date
Application number
PCT/US2005/045950
Other languages
French (fr)
Other versions
WO2006069002A2 (en
Inventor
Kevin J Dowling
Original Assignee
Color Kinetics Inc
Kevin J Dowling
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 Color Kinetics Inc, Kevin J Dowling filed Critical Color Kinetics Inc
Priority to CA002591133A priority Critical patent/CA2591133A1/en
Priority to EP05854627A priority patent/EP1831866A2/en
Publication of WO2006069002A2 publication Critical patent/WO2006069002A2/en
Publication of WO2006069002A3 publication Critical patent/WO2006069002A3/en

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/04—Apparatus for electrographic processes using a charge pattern for exposing, i.e. imagewise exposure by optically projecting the original image on a photoconductive recording material
    • G03G15/043—Apparatus for electrographic processes using a charge pattern for exposing, i.e. imagewise exposure by optically projecting the original image on a photoconductive recording material with means for controlling illumination or exposure
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)

Abstract

Methods and apparatus for generating two or more different colors (e.g. red, green, and blue) or color temperatures of light over a significant range of different saturations or different color temperatures, in which luminance compensation is provided. In one example, generated light is compensated, at least in part, for the 'Helmholtz-Kohlrausch' (HK) effect, which models the perception of different brightnesses for different colors or color temperatures, notwithstanding identical luminances. In another example, lighting apparatus (100) including one or more LEDs (104A, 104B, and 104C) to generate two or more different colors or color temperatures of light are configured to provide luminance compensation so as to mitigate, at least in part, the HK effect.
PCT/US2005/045950 2004-12-20 2005-12-20 Methods and apparatus for providing luminance compensation WO2006069002A2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CA002591133A CA2591133A1 (en) 2004-12-20 2005-12-20 Methods and apparatus for providing luminance compensation
EP05854627A EP1831866A2 (en) 2004-12-20 2005-12-20 Methods and apparatus for providing luminance compensation

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US63755404P 2004-12-20 2004-12-20
US60/637,554 2004-12-20

Publications (2)

Publication Number Publication Date
WO2006069002A2 WO2006069002A2 (en) 2006-06-29
WO2006069002A3 true WO2006069002A3 (en) 2006-10-26

Family

ID=36602243

Family Applications (2)

Application Number Title Priority Date Filing Date
PCT/US2005/046278 WO2006069117A2 (en) 2004-12-20 2005-12-20 Methods and apparatus for controlled lighting based on a reference gamut
PCT/US2005/045950 WO2006069002A2 (en) 2004-12-20 2005-12-20 Methods and apparatus for providing luminance compensation

Family Applications Before (1)

Application Number Title Priority Date Filing Date
PCT/US2005/046278 WO2006069117A2 (en) 2004-12-20 2005-12-20 Methods and apparatus for controlled lighting based on a reference gamut

Country Status (3)

Country Link
EP (1) EP1831866A2 (en)
CA (1) CA2591133A1 (en)
WO (2) WO2006069117A2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8203281B2 (en) 2008-04-29 2012-06-19 Ivus Industries, Llc Wide voltage, high efficiency LED driver circuit

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5424888B2 (en) 2006-11-10 2014-02-26 コーニンクレッカ フィリップス エヌ ヴェ Method and apparatus for determining a driving value for driving a light emitting device
ITRM20070588A1 (en) * 2007-11-13 2009-05-14 Ianiro Aldo S R L LIGHTWEIGHT, MATRIXED LED BODIES.
US20110103049A1 (en) * 2008-03-11 2011-05-05 Frantisek Kubis Universal color control matrix
US8384294B2 (en) 2010-10-05 2013-02-26 Electronic Theatre Controls, Inc. System and method for color creation and matching
US8593074B2 (en) 2011-01-12 2013-11-26 Electronic Theater Controls, Inc. Systems and methods for controlling an output of a light fixture
US8723450B2 (en) 2011-01-12 2014-05-13 Electronics Theatre Controls, Inc. System and method for controlling the spectral content of an output of a light fixture
CN108461073B (en) * 2018-04-09 2020-01-31 四川长虹电器股份有限公司 method for dynamically controlling color temperature uniformity of display device
US11002605B2 (en) * 2018-05-04 2021-05-11 Crestron Electronics, Inc. System and method for calibrating a light color sensor
KR20240006046A (en) 2021-05-03 2024-01-12 다이나스캔 테크놀로지 코포레이션 Methods and related display devices for compensating colors based on virtual chromaticity coordinate points
WO2022233266A1 (en) 2021-05-03 2022-11-10 Dynascan Technology Corp. Methods for compensating colors based on luminance adjustment parameters and the related display devices
EP4374661A1 (en) * 2021-07-20 2024-05-29 Alcon Inc. Light engine calibration systems and methods

Citations (5)

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Publication number Priority date Publication date Assignee Title
US6870323B1 (en) * 2003-10-02 2005-03-22 Eastman Kodak Company Color display with white light emitting elements
US6950115B2 (en) * 2001-05-09 2005-09-27 Clairvoyante, Inc. Color flat panel display sub-pixel arrangements and layouts
US7027015B2 (en) * 2001-08-31 2006-04-11 Intel Corporation Compensating organic light emitting device displays for color variations
US7067995B2 (en) * 2003-01-15 2006-06-27 Luminator, Llc LED lighting system
US7075242B2 (en) * 2002-12-16 2006-07-11 Eastman Kodak Company Color OLED display system having improved performance

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3008878B2 (en) * 1997-02-14 2000-02-14 日本電気株式会社 Color conversion method and apparatus, and machine-readable recording medium recording program
US20030137849A1 (en) * 2002-01-22 2003-07-24 Alden Ray M. Segmented distribution headlight system, method, and apparatus
DE10216394B3 (en) * 2002-04-12 2004-01-08 Osram Opto Semiconductors Gmbh LED module
US7348949B2 (en) * 2004-03-11 2008-03-25 Avago Technologies Ecbu Ip Pte Ltd Method and apparatus for controlling an LED based light system

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6950115B2 (en) * 2001-05-09 2005-09-27 Clairvoyante, Inc. Color flat panel display sub-pixel arrangements and layouts
US7027015B2 (en) * 2001-08-31 2006-04-11 Intel Corporation Compensating organic light emitting device displays for color variations
US7075242B2 (en) * 2002-12-16 2006-07-11 Eastman Kodak Company Color OLED display system having improved performance
US7067995B2 (en) * 2003-01-15 2006-06-27 Luminator, Llc LED lighting system
US6870323B1 (en) * 2003-10-02 2005-03-22 Eastman Kodak Company Color display with white light emitting elements

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8203281B2 (en) 2008-04-29 2012-06-19 Ivus Industries, Llc Wide voltage, high efficiency LED driver circuit

Also Published As

Publication number Publication date
WO2006069117A2 (en) 2006-06-29
WO2006069117A3 (en) 2007-04-12
CA2591133A1 (en) 2006-06-29
EP1831866A2 (en) 2007-09-12
WO2006069002A2 (en) 2006-06-29

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