JPWO2023188973A5 - - Google Patents

Download PDF

Info

Publication number
JPWO2023188973A5
JPWO2023188973A5 JP2024511424A JP2024511424A JPWO2023188973A5 JP WO2023188973 A5 JPWO2023188973 A5 JP WO2023188973A5 JP 2024511424 A JP2024511424 A JP 2024511424A JP 2024511424 A JP2024511424 A JP 2024511424A JP WO2023188973 A5 JPWO2023188973 A5 JP WO2023188973A5
Authority
JP
Japan
Prior art keywords
emitting element
light
driving device
voltage
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.)
Pending
Application number
JP2024511424A
Other languages
English (en)
Japanese (ja)
Other versions
JPWO2023188973A1 (https=
Filing date
Publication date
Application filed filed Critical
Priority claimed from PCT/JP2023/005738 external-priority patent/WO2023188973A1/ja
Publication of JPWO2023188973A1 publication Critical patent/JPWO2023188973A1/ja
Publication of JPWO2023188973A5 publication Critical patent/JPWO2023188973A5/ja
Pending legal-status Critical Current

Links

JP2024511424A 2022-03-31 2023-02-17 Pending JPWO2023188973A1 (https=)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2022060073 2022-03-31
PCT/JP2023/005738 WO2023188973A1 (ja) 2022-03-31 2023-02-17 発光素子駆動装置、発光装置、及び車両

Publications (2)

Publication Number Publication Date
JPWO2023188973A1 JPWO2023188973A1 (https=) 2023-10-05
JPWO2023188973A5 true JPWO2023188973A5 (https=) 2024-12-10

Family

ID=88200420

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2024511424A Pending JPWO2023188973A1 (https=) 2022-03-31 2023-02-17

Country Status (3)

Country Link
US (1) US20250016898A1 (https=)
JP (1) JPWO2023188973A1 (https=)
WO (1) WO2023188973A1 (https=)

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100628717B1 (ko) * 2005-02-26 2006-09-28 삼성전자주식회사 Led구동장치
JP5175427B2 (ja) * 2005-05-31 2013-04-03 Necディスプレイソリューションズ株式会社 発光素子駆動装置
US7777424B2 (en) * 2006-08-18 2010-08-17 Dialight Corporation Method and apparatus for controlling an input voltage to a light emitting diode
JP2008060222A (ja) * 2006-08-30 2008-03-13 Seiko Epson Corp 発光素子駆動装置およびその方法
US20080258637A1 (en) * 2007-04-20 2008-10-23 Shun Kei Leung Light emitting element driver and control method therefor
US7952297B2 (en) * 2007-07-27 2011-05-31 Rohm Co., Ltd. Driving device for providing light dimming control of light-emitting element
TW200934294A (en) * 2008-01-24 2009-08-01 Everbright Optech Inc Apparatus for controlling light emitting devices
US8174213B2 (en) * 2008-12-05 2012-05-08 Richard Landry Gray Universal input voltage light emitting device
US8373356B2 (en) * 2008-12-31 2013-02-12 Stmicroelectronics, Inc. System and method for a constant current source LED driver
JP4975856B2 (ja) * 2010-09-24 2012-07-11 シャープ株式会社 照明装置用集積回路および照明装置
CN102076149B (zh) * 2010-11-15 2012-01-04 凹凸电子(武汉)有限公司 光源驱动电路及控制光源亮度的控制器和方法
JP2012160392A (ja) * 2011-02-02 2012-08-23 Stanley Electric Co Ltd 点灯制御装置
JP2014031157A (ja) * 2012-07-10 2014-02-20 Koito Mfg Co Ltd 車両用ランプ
JP6011355B2 (ja) * 2013-01-22 2016-10-19 ローム株式会社 発振回路
US10149362B2 (en) * 2013-08-01 2018-12-04 Power Integrations, Inc. Solid state lighting control with dimmer interface to control brightness
TWI611722B (zh) * 2013-09-06 2018-01-11 Leadtrend Technology Corporation 發光二極體之控制電路
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
CN111670609B (zh) * 2018-01-29 2022-11-04 罗姆股份有限公司 发光元件驱动控制装置、发光元件驱动电路装置
WO2023013427A1 (ja) * 2021-08-06 2023-02-09 ローム株式会社 レベルシフタ、半導体装置、スイッチング電源、発光装置
JP2023088415A (ja) * 2021-12-15 2023-06-27 富士電機株式会社 集積回路、及び電源回路

Similar Documents

Publication Publication Date Title
US7843147B2 (en) LED driver circuits and methods
JP6181730B2 (ja) 半導体チップおよびそれを用いた発光装置、ディスプレイ装置
EP2145381B1 (en) Self-oscillating switch circuit and a driver circuit comprising such a switch circuit
US8970136B2 (en) Semiconductor light source lighting circuit and vehicular lamp
CN104703337B (zh) 车辆用灯具
KR102761833B1 (ko) 부하 변경을 위한 발광 다이오드 드라이버
JP4482913B2 (ja) 電磁弁及び電磁弁駆動回路
JP6799939B2 (ja) 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
USRE45990E1 (en) Converter device
JP2004051014A (ja) 車両用ledヘッドランプ装置
CN106794793B (zh) 发光元件驱动装置、发光装置和车辆
CN104798306A (zh) 用于操控场效应晶体管的装置
CN111148316A (zh) 车灯和发光电路
CN112351551B (zh) 调光电路
JP6283542B2 (ja) 車両用灯具およびその駆動装置
JP5824312B2 (ja) 昇降圧コンバータ
CN115669225B (zh) 用于led矩阵灯的电路装置
JPWO2023188973A5 (https=)
JP7411068B2 (ja) 発光制御装置、発光装置及び車両
US10728985B2 (en) Vehicle lamp and lighting circuit
JP2014157785A (ja) 駆動回路、車輌用灯具
US20240042862A1 (en) Automotive lamp
JP7569375B2 (ja) 光源モジュールおよび点灯回路
CN202713692U (zh) 一种发光二极管单元的调光电路
JP2021002440A (ja) 点灯制御装置、点灯制御方法、車両用灯具