JPWO2023188964A1 - - Google Patents

Info

Publication number
JPWO2023188964A1
JPWO2023188964A1 JP2024511415A JP2024511415A JPWO2023188964A1 JP WO2023188964 A1 JPWO2023188964 A1 JP WO2023188964A1 JP 2024511415 A JP2024511415 A JP 2024511415A JP 2024511415 A JP2024511415 A JP 2024511415A JP WO2023188964 A1 JPWO2023188964 A1 JP WO2023188964A1
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
JP2024511415A
Other languages
Japanese (ja)
Other versions
JPWO2023188964A5 (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 JPWO2023188964A1 publication Critical patent/JPWO2023188964A1/ja
Publication of JPWO2023188964A5 publication Critical patent/JPWO2023188964A5/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]
    • H05B45/40—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]
    • H05B45/10—Controlling the intensity of the light
    • H05B45/14—Controlling the intensity of the light using electrical feedback from LEDs or from LED modules
    • 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
    • H05B45/54—Circuit arrangements for operating light-emitting diodes [LED] responsive to malfunctions or undesirable behaviour of LEDs; responsive to LED life; Protective circuits in a series array of LEDs
JP2024511415A 2022-03-31 2023-02-17 Pending JPWO2023188964A1 (https=)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2022060370 2022-03-31
PCT/JP2023/005649 WO2023188964A1 (ja) 2022-03-31 2023-02-17 発光素子駆動装置、発光制御装置、発光装置

Publications (2)

Publication Number Publication Date
JPWO2023188964A1 true JPWO2023188964A1 (https=) 2023-10-05
JPWO2023188964A5 JPWO2023188964A5 (https=) 2024-12-10

Family

ID=88200283

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2024511415A Pending JPWO2023188964A1 (https=) 2022-03-31 2023-02-17

Country Status (5)

Country Link
US (1) US20250024568A1 (https=)
JP (1) JPWO2023188964A1 (https=)
CN (1) CN118975406A (https=)
DE (1) DE112023001176T5 (https=)
WO (1) WO2023188964A1 (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN119789266A (zh) * 2025-03-11 2025-04-08 华源智信半导体(深圳)有限公司 Led驱动电路及电子设备

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN118975112A (zh) * 2022-03-31 2024-11-15 罗姆股份有限公司 半导体装置、模块
EP4642164A1 (en) * 2024-04-24 2025-10-29 Tridonic GmbH & Co. KG Led driver for supplying an led load with a dc voltage

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100867551B1 (ko) * 2007-05-18 2008-11-10 삼성전기주식회사 Ｌｅｄ 어레이 구동 장치
JP7345326B2 (ja) 2019-09-06 2023-09-15 ローム株式会社 発光素子駆動装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN119789266A (zh) * 2025-03-11 2025-04-08 华源智信半导体(深圳)有限公司 Led驱动电路及电子设备

Also Published As

Publication number Publication date
CN118975406A (zh) 2024-11-15
US20250024568A1 (en) 2025-01-16
DE112023001176T5 (de) 2024-12-19
WO2023188964A1 (ja) 2023-10-05

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Legal Events

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Effective date: 20240906

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Effective date: 20260209