FR2939493B1 - DEVICES AND METHOD FOR LIGHT EMITTING LED (LIGHT EMITTING) DIAGNOSTICS FOR EMITTING WHITE LIGHT. - Google Patents

DEVICES AND METHOD FOR LIGHT EMITTING LED (LIGHT EMITTING) DIAGNOSTICS FOR EMITTING WHITE LIGHT.

Info

Publication number
FR2939493B1
FR2939493B1 FR0858361A FR0858361A FR2939493B1 FR 2939493 B1 FR2939493 B1 FR 2939493B1 FR 0858361 A FR0858361 A FR 0858361A FR 0858361 A FR0858361 A FR 0858361A FR 2939493 B1 FR2939493 B1 FR 2939493B1
Authority
FR
France
Prior art keywords
emitting
light
light emitting
diagnostics
devices
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
FR0858361A
Other languages
French (fr)
Other versions
FR2939493A1 (en
Inventor
Roland Triponel
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.)
JWR
Original Assignee
JWR
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 JWR filed Critical JWR
Priority to FR0858361A priority Critical patent/FR2939493B1/en
Publication of FR2939493A1 publication Critical patent/FR2939493A1/en
Application granted granted Critical
Publication of FR2939493B1 publication Critical patent/FR2939493B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
    • F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
    • 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
FR0858361A 2008-12-08 2008-12-08 DEVICES AND METHOD FOR LIGHT EMITTING LED (LIGHT EMITTING) DIAGNOSTICS FOR EMITTING WHITE LIGHT. Active FR2939493B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR0858361A FR2939493B1 (en) 2008-12-08 2008-12-08 DEVICES AND METHOD FOR LIGHT EMITTING LED (LIGHT EMITTING) DIAGNOSTICS FOR EMITTING WHITE LIGHT.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0858361A FR2939493B1 (en) 2008-12-08 2008-12-08 DEVICES AND METHOD FOR LIGHT EMITTING LED (LIGHT EMITTING) DIAGNOSTICS FOR EMITTING WHITE LIGHT.

Publications (2)

Publication Number Publication Date
FR2939493A1 FR2939493A1 (en) 2010-06-11
FR2939493B1 true FR2939493B1 (en) 2013-07-05

Family

ID=40834017

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0858361A Active FR2939493B1 (en) 2008-12-08 2008-12-08 DEVICES AND METHOD FOR LIGHT EMITTING LED (LIGHT EMITTING) DIAGNOSTICS FOR EMITTING WHITE LIGHT.

Country Status (1)

Country Link
FR (1) FR2939493B1 (en)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003019072A1 (en) * 2001-08-23 2003-03-06 Yukiyasu Okumura Color temperature-regulable led light
JP2008505433A (en) * 2004-06-29 2008-02-21 松下電器産業株式会社 Illumination light source
EP1872625A4 (en) * 2005-04-06 2014-05-07 Koninkl Philips Nv White light luminaire with adjustable correlated colour temperature
CN101246876B (en) * 2007-02-16 2010-05-19 厦门通士达照明有限公司 LED lamp and method for acquiring the same

Also Published As

Publication number Publication date
FR2939493A1 (en) 2010-06-11

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