JPWO2021181733A1 - - Google Patents

Info

Publication number
JPWO2021181733A1
JPWO2021181733A1 JP2022505745A JP2022505745A JPWO2021181733A1 JP WO2021181733 A1 JPWO2021181733 A1 JP WO2021181733A1 JP 2022505745 A JP2022505745 A JP 2022505745A JP 2022505745 A JP2022505745 A JP 2022505745A JP WO2021181733 A1 JPWO2021181733 A1 JP WO2021181733A1
Authority
JP
Japan
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.)
Pending
Application number
JP2022505745A
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 filed Critical
Publication of JPWO2021181733A1 publication Critical patent/JPWO2021181733A1/ja
Pending 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]
    • H05B45/30—Driver circuits
    • H05B45/395—Linear regulators
    • H05B45/397—Current mirror circuits
    • 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
    • H05B45/46—Details of LED load circuits with an active control inside an LED matrix having LEDs disposed in parallel lines
    • 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]
JP2022505745A 2020-03-12 2020-09-29 Pending JPWO2021181733A1 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2020043069 2020-03-12
PCT/JP2020/037020 WO2021181733A1 (ja) 2020-03-12 2020-09-29 発光素子駆動装置及び発光システム

Publications (1)

Publication Number Publication Date
JPWO2021181733A1 true JPWO2021181733A1 (ja) 2021-09-16

Family

ID=77671513

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2022505745A Pending JPWO2021181733A1 (ja) 2020-03-12 2020-09-29

Country Status (5)

Country Link
US (1) US11871492B2 (ja)
JP (1) JPWO2021181733A1 (ja)
CN (1) CN115245052A (ja)
DE (1) DE112020006872T5 (ja)
WO (1) WO2021181733A1 (ja)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20230386372A1 (en) * 2022-05-31 2023-11-30 Chip Design Systems Inc. Led driver circuitry for an infrared scene projector system

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009044081A (ja) * 2007-08-10 2009-02-26 Rohm Co Ltd 駆動装置
US10938303B2 (en) * 2007-08-10 2021-03-02 Rohm Co., Ltd. Driving device
JP4985669B2 (ja) 2009-02-05 2012-07-25 株式会社デンソー 発光ダイオード駆動回路
JP5666268B2 (ja) 2010-11-26 2015-02-12 ルネサスエレクトロニクス株式会社 半導体集積回路およびその動作方法
JP2019071211A (ja) 2017-10-10 2019-05-09 セイコーエプソン株式会社 発光制御回路、光源装置、及び、投写型映像表示装置
DE102018111729A1 (de) * 2017-05-19 2018-11-22 Panasonic Intellectual Property Management Co., Ltd. Beleuchtungsvorrichtung, Leuchte und Anzeigetafel
US10652962B1 (en) * 2019-06-27 2020-05-12 Lumileds Llc Dim-to-warm LED circuit

Also Published As

Publication number Publication date
CN115245052A (zh) 2022-10-25
DE112020006872T5 (de) 2022-12-29
WO2021181733A1 (ja) 2021-09-16
US11871492B2 (en) 2024-01-09
US20230099245A1 (en) 2023-03-30

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