JPWO2024075591A1 - - Google Patents

Info

Publication number
JPWO2024075591A1
JPWO2024075591A1 JP2024555739A JP2024555739A JPWO2024075591A1 JP WO2024075591 A1 JPWO2024075591 A1 JP WO2024075591A1 JP 2024555739 A JP2024555739 A JP 2024555739A JP 2024555739 A JP2024555739 A JP 2024555739A JP WO2024075591 A1 JPWO2024075591 A1 JP WO2024075591A1
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
JP2024555739A
Other languages
Japanese (ja)
Other versions
JPWO2024075591A5 (https=
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 JPWO2024075591A1 publication Critical patent/JPWO2024075591A1/ja
Publication of JPWO2024075591A5 publication Critical patent/JPWO2024075591A5/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
    • H05B45/345—Current stabilisation; Maintaining constant current
    • 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]
    • H05B45/38—Switched mode power supply [SMPS] using boost topology
    • 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]
    • H05B45/50—Circuit arrangements for operating light-emitting diodes [LED] responsive to malfunctions or undesirable behaviour of LEDs; responsive to LED life; Protective 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
    • H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/10—Controlling the light source
    • H05B47/105—Controlling the light source in response to determined parameters
    • H05B47/14—Controlling the light source in response to determined parameters by determining electrical parameters of the light source
    • 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
    • H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/20—Responsive to malfunctions or to light source life; for protection
    • H05B47/25—Circuit arrangements for protecting against overcurrent
JP2024555739A 2022-10-06 2023-09-26 Pending JPWO2024075591A1 (https=)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2022161712 2022-10-06
PCT/JP2023/034912 WO2024075591A1 (ja) 2022-10-06 2023-09-26 発光素子駆動装置、および発光システム

Publications (2)

Publication Number Publication Date
JPWO2024075591A1 true JPWO2024075591A1 (https=) 2024-04-11
JPWO2024075591A5 JPWO2024075591A5 (https=) 2025-06-19

Family

ID=90608263

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2024555739A Pending JPWO2024075591A1 (https=) 2022-10-06 2023-09-26

Country Status (2)

Country Link
JP (1) JPWO2024075591A1 (https=)
WO (1) WO2024075591A1 (https=)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014003770A (ja) * 2012-06-15 2014-01-09 Rohm Co Ltd 電源装置、並びに、これを用いた車載機器及び車両
JP6591814B2 (ja) * 2014-09-16 2019-10-16 株式会社小糸製作所 点灯回路およびそれを用いた車両用灯具
JP6799939B2 (ja) * 2016-04-22 2020-12-16 ローム株式会社 発光素子駆動用半導体集積回路、発光素子駆動装置、発光装置、車両
JP2018014310A (ja) * 2016-07-12 2018-01-25 パナソニックＩｐマネジメント株式会社 点灯装置及びそれを備える照明器具
JP6844967B2 (ja) * 2016-07-27 2021-03-17 ローム株式会社 半導体装置
DE112020005769T5 (de) * 2019-11-27 2022-09-08 Rohm Co. Ltd. Led-ansteuervorrichtung, beleuchtungsvorrichtung und fahrzeugmontierte anzeigevorrichtung

Also Published As

Publication number Publication date
WO2024075591A1 (ja) 2024-04-11

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Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20250326