FR2913172B1 - Dispositif emetteur de lumiere - Google Patents

Dispositif emetteur de lumiere

Info

Publication number
FR2913172B1
FR2913172B1 FR0851019A FR0851019A FR2913172B1 FR 2913172 B1 FR2913172 B1 FR 2913172B1 FR 0851019 A FR0851019 A FR 0851019A FR 0851019 A FR0851019 A FR 0851019A FR 2913172 B1 FR2913172 B1 FR 2913172B1
Authority
FR
France
Prior art keywords
light emitting
emitting device
light
emitting
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 - Fee Related
Application number
FR0851019A
Other languages
English (en)
Other versions
FR2913172A1 (fr
Inventor
Masayasu Ito
Takayoshi Kitagawa
Kentarou Murakami
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.)
Koito Manufacturing Co Ltd
Original Assignee
Koito Manufacturing Co 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 Koito Manufacturing Co Ltd filed Critical Koito Manufacturing Co Ltd
Publication of FR2913172A1 publication Critical patent/FR2913172A1/fr
Application granted granted Critical
Publication of FR2913172B1 publication Critical patent/FR2913172B1/fr
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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]
    • H05B45/40—Details of LED load circuits
    • H05B45/44—Details of LED load circuits with an active control inside an LED matrix
    • H05B45/48—Details of LED load circuits with an active control inside an LED matrix having LEDs organised in strings and incorporating parallel shunting devices
    • 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]
    • H05B45/30—Driver circuits
    • H05B45/37—Converter circuits
    • H05B45/3725—Switched mode power supply [SMPS]
    • H05B45/382—Switched mode power supply [SMPS] with galvanic isolation between input and output
FR0851019A 2007-02-22 2008-02-18 Dispositif emetteur de lumiere Expired - Fee Related FR2913172B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2007042052A JP5089193B2 (ja) 2007-02-22 2007-02-22 発光装置

Publications (2)

Publication Number Publication Date
FR2913172A1 FR2913172A1 (fr) 2008-08-29
FR2913172B1 true FR2913172B1 (fr) 2014-04-25

Family

ID=39646290

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0851019A Expired - Fee Related FR2913172B1 (fr) 2007-02-22 2008-02-18 Dispositif emetteur de lumiere

Country Status (5)

Country Link
US (1) US7741788B2 (fr)
JP (1) JP5089193B2 (fr)
CN (1) CN101252797A (fr)
DE (1) DE102008010320B4 (fr)
FR (1) FR2913172B1 (fr)

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Also Published As

Publication number Publication date
FR2913172A1 (fr) 2008-08-29
DE102008010320A1 (de) 2008-08-28
US20080203946A1 (en) 2008-08-28
DE102008010320B4 (de) 2015-06-11
JP2008205357A (ja) 2008-09-04
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CN101252797A (zh) 2008-08-27
US7741788B2 (en) 2010-06-22

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