TWI373647B - Providing optical feedback on light color - Google Patents

Providing optical feedback on light color Download PDF

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Publication number
TWI373647B
TWI373647B TW094107870A TW94107870A TWI373647B TW I373647 B TWI373647 B TW I373647B TW 094107870 A TW094107870 A TW 094107870A TW 94107870 A TW94107870 A TW 94107870A TW I373647 B TWI373647 B TW I373647B
Authority
TW
Taiwan
Prior art keywords
light
tristimulus
function
discrete
wavelength
Prior art date
Application number
TW094107870A
Other languages
English (en)
Chinese (zh)
Other versions
TW200606486A (en
Inventor
Rizal Jaffar
Kevin Len Li Lim
Joon Chok Lee
Original Assignee
Avago Tech Ecbu Ip Sg 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 Tech Ecbu Ip Sg Pte Ltd filed Critical Avago Tech Ecbu Ip Sg Pte Ltd
Publication of TW200606486A publication Critical patent/TW200606486A/zh
Application granted granted Critical
Publication of TWI373647B publication Critical patent/TWI373647B/zh

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/46—Measurement of colour; Colour measuring devices, e.g. colorimeters
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J1/00—Photometry, e.g. photographic exposure meter
    • G01J1/10—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void
    • G01J1/20—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void intensity of the measured or reference value being varied to equalise their effects at the detectors, e.g. by varying incidence angle
    • G01J1/28—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void intensity of the measured or reference value being varied to equalise their effects at the detectors, e.g. by varying incidence angle using variation of intensity or distance of source
    • G01J1/30—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void intensity of the measured or reference value being varied to equalise their effects at the detectors, e.g. by varying incidence angle using variation of intensity or distance of source using electric radiation detectors
    • G01J1/32—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void intensity of the measured or reference value being varied to equalise their effects at the detectors, e.g. by varying incidence angle using variation of intensity or distance of source using electric radiation detectors adapted for automatic variation of the measured or reference value
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/02—Details
    • G01J3/10—Arrangements of light sources specially adapted for spectrometry or colorimetry
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/46—Measurement of colour; Colour measuring devices, e.g. colorimeters
    • G01J3/465—Measurement of colour; Colour measuring devices, e.g. colorimeters taking into account the colour perception of the eye; using tristimulus detection
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/46—Measurement of colour; Colour measuring devices, e.g. colorimeters
    • G01J3/50—Measurement of colour; Colour measuring devices, e.g. colorimeters using electric radiation detectors
    • G01J3/502—Measurement of colour; Colour measuring devices, e.g. colorimeters using electric radiation detectors using a dispersive element, e.g. grating, prism
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/46—Measurement of colour; Colour measuring devices, e.g. colorimeters
    • G01J3/50—Measurement of colour; Colour measuring devices, e.g. colorimeters using electric radiation detectors
    • G01J3/51—Measurement of colour; Colour measuring devices, e.g. colorimeters using electric radiation detectors using colour filters

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)
  • Spectrometry And Color Measurement (AREA)
  • Led Devices (AREA)
TW094107870A 2004-08-05 2005-03-15 Providing optical feedback on light color TWI373647B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/912,394 US7212287B2 (en) 2004-08-05 2004-08-05 Providing optical feedback on light color

Publications (2)

Publication Number Publication Date
TW200606486A TW200606486A (en) 2006-02-16
TWI373647B true TWI373647B (en) 2012-10-01

Family

ID=35963679

Family Applications (1)

Application Number Title Priority Date Filing Date
TW094107870A TWI373647B (en) 2004-08-05 2005-03-15 Providing optical feedback on light color

Country Status (4)

Country Link
US (1) US7212287B2 (enExample)
JP (1) JP2006049913A (enExample)
CN (1) CN100504705C (enExample)
TW (1) TWI373647B (enExample)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
JP5160411B2 (ja) * 2005-04-28 2013-03-13 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 改良された照明システム
US8016470B2 (en) * 2007-10-05 2011-09-13 Dental Equipment, Llc LED-based dental exam lamp with variable chromaticity
CA2616958A1 (en) * 2005-05-20 2006-11-23 Tir Technology Lp Multicolour chromaticity sensor
DE102005061204A1 (de) * 2005-12-21 2007-07-05 Perkinelmer Elcos Gmbh Beleuchtungsvorrichtung, Beleuchtungssteuergerät und Beleuchtungssystem
US8149406B2 (en) * 2006-09-28 2012-04-03 Koninklijke Philips Electronics N.V. Method of controlling the colour of the light output of a lamp
CA2708978C (en) * 2006-12-11 2016-03-15 Tir Technology Lp Luminaire control system and method
JP5757683B2 (ja) * 2006-12-11 2015-07-29 コーニンクレッカ フィリップス エヌ ヴェ 照明デバイスのデジタル制御のための方法および装置
GB2458095A (en) 2007-06-15 2009-09-09 Sharp Kk Solid state illumination system with elements employed as both light source and light sensor
KR101071839B1 (ko) 2007-08-27 2011-10-11 엘지이노텍 주식회사 발광 소자 패키지
EP2195864A4 (en) * 2007-08-27 2010-10-13 Lg Electronics Inc LUMINOUS ELEMENT ENCLOSURE AND LIGHTING DEVICE THEREFOR
KR100927661B1 (ko) * 2007-11-05 2009-11-20 한국전자통신연구원 광신호를 전기적 신호로 변환시키는 수광 소자
US8297782B2 (en) 2008-07-24 2012-10-30 Bafetti Vincent H Lighting system for growing plants
US20100124041A1 (en) * 2008-11-17 2010-05-20 Vitaly Druchinin Systems and methods for controlling flash color temperature
JP5704855B2 (ja) * 2010-07-30 2015-04-22 キヤノン株式会社 発光装置、撮像装置、及び発光制御方法
KR20150051474A (ko) * 2013-11-04 2015-05-13 삼성디스플레이 주식회사 색역 제어 장치 및 이를 포함하는 디스플레이 장치
CN104053278B (zh) * 2014-06-06 2016-03-16 东南大学 基于可见光通信的四色led混光方法
JP6300129B2 (ja) * 2014-09-19 2018-03-28 ウシオ電機株式会社 光源装置およびプロジェクタ
CN116105977A (zh) * 2022-12-29 2023-05-12 苏州欧普照明有限公司 光源参数测量方法、装置、电子设备及存储介质

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4412744A (en) * 1981-06-01 1983-11-01 E. I. Du Pont De Nemours & Co. Absolute spectrophotometer
JPS61292043A (ja) * 1985-06-19 1986-12-22 Anritsu Corp 分光測色計の光検出プロ−ブ
US6344641B1 (en) * 1999-08-11 2002-02-05 Agilent Technologies, Inc. System and method for on-chip calibration of illumination sources for an integrated circuit display
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
US6507159B2 (en) * 2001-03-29 2003-01-14 Koninklijke Philips Electronics N.V. Controlling method and system for RGB based LED luminary
US6552495B1 (en) * 2001-12-19 2003-04-22 Koninklijke Philips Electronics N.V. Adaptive control system and method with spatial uniform color metric for RGB LED based white light illumination
US6600562B1 (en) * 2002-01-11 2003-07-29 Koninklijke Philips Electronics N.V. Method of extended color sense and estimation for RGB LED illuminants
US7009343B2 (en) * 2004-03-11 2006-03-07 Kevin Len Li Lim System and method for producing white light using LEDs

Also Published As

Publication number Publication date
CN1731307A (zh) 2006-02-08
TW200606486A (en) 2006-02-16
JP2006049913A (ja) 2006-02-16
CN100504705C (zh) 2009-06-24
US20050030538A1 (en) 2005-02-10
US7212287B2 (en) 2007-05-01

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MM4A Annulment or lapse of patent due to non-payment of fees