JP2017195150A5 - - Google Patents

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Publication number
JP2017195150A5
JP2017195150A5 JP2016086250A JP2016086250A JP2017195150A5 JP 2017195150 A5 JP2017195150 A5 JP 2017195150A5 JP 2016086250 A JP2016086250 A JP 2016086250A JP 2016086250 A JP2016086250 A JP 2016086250A JP 2017195150 A5 JP2017195150 A5 JP 2017195150A5
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JP
Japan
Prior art keywords
light source
emitting element
light emitting
variable resistor
light
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Application number
JP2016086250A
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English (en)
Japanese (ja)
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JP2017195150A (ja
JP6799939B2 (ja
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Priority to JP2016086250A priority Critical patent/JP6799939B2/ja
Priority claimed from JP2016086250A external-priority patent/JP6799939B2/ja
Priority to US15/492,102 priority patent/US10562438B2/en
Priority to EP17167556.4A priority patent/EP3235683B1/en
Publication of JP2017195150A publication Critical patent/JP2017195150A/ja
Publication of JP2017195150A5 publication Critical patent/JP2017195150A5/ja
Application granted granted Critical
Publication of JP6799939B2 publication Critical patent/JP6799939B2/ja
Active legal-status Critical Current
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JP2016086250A 2016-04-22 2016-04-22 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 Active JP6799939B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2016086250A JP6799939B2 (ja) 2016-04-22 2016-04-22 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
US15/492,102 US10562438B2 (en) 2016-04-22 2017-04-20 Light-emitting element driving semiconductor integrated circuit, light-emitting element driving device, light-emitting device, and vehicle
EP17167556.4A EP3235683B1 (en) 2016-04-22 2017-04-21 Light-emitting element driving semiconductor integrated circuit, light-emitting element driving device, light-emitting device, and vehicle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2016086250A JP6799939B2 (ja) 2016-04-22 2016-04-22 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

Publications (3)

Publication Number Publication Date
JP2017195150A JP2017195150A (ja) 2017-10-26
JP2017195150A5 true JP2017195150A5 (enExample) 2019-02-14
JP6799939B2 JP6799939B2 (ja) 2020-12-16

Family

ID=58668731

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2016086250A Active JP6799939B2 (ja) 2016-04-22 2016-04-22 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

Country Status (3)

Country Link
US (1) US10562438B2 (enExample)
EP (1) EP3235683B1 (enExample)
JP (1) JP6799939B2 (enExample)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10166912B2 (en) * 2016-08-19 2019-01-01 Sl Corporation Automotive LED driving apparatus
US12356525B2 (en) * 2020-11-09 2025-07-08 Rohm Co., Ltd. Semiconductor integrated circuit for driving light emitting element, light emitting element driving device, light emitting device, and vehicle
JP7736488B2 (ja) * 2021-09-01 2025-09-09 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
WO2023188973A1 (ja) * 2022-03-31 2023-10-05 ローム株式会社 発光素子駆動装置、発光装置、及び車両
US12207367B2 (en) 2022-04-20 2025-01-21 Maxim Integrated Products, Inc. Systems and methods for improving transient response in H-bridge buck-boost drivers using integrated matrix manager
KR20230155635A (ko) * 2022-05-03 2023-11-13 삼성디스플레이 주식회사 표시 장치
JPWO2024075591A1 (enExample) * 2022-10-06 2024-04-11
JP2024144834A (ja) * 2023-03-31 2024-10-15 ローム株式会社 発光素子駆動装置、および発光システム
EP4574569A1 (en) * 2023-12-20 2025-06-25 Valeo Vision Automotive luminous device

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7583034B2 (en) * 2006-09-26 2009-09-01 Semiconductor Components Industries, L.L.C. LED controller and method therefor
JP5089193B2 (ja) * 2007-02-22 2012-12-05 株式会社小糸製作所 発光装置
JP5042798B2 (ja) * 2007-12-17 2012-10-03 株式会社小糸製作所 車両用灯具の点灯制御装置
JP5161040B2 (ja) * 2008-11-11 2013-03-13 スタンレー電気株式会社 車両用灯具の点灯制御装置
JP5501134B2 (ja) * 2010-07-23 2014-05-21 三菱電機株式会社 Ｌｅｄ点灯装置
US8040071B2 (en) * 2010-12-14 2011-10-18 O2Micro, Inc. Circuits and methods for driving light sources
JP5901966B2 (ja) 2011-01-13 2016-04-13 ローム株式会社 Ｌｅｄショート検出回路、ｌｅｄ駆動装置、ｌｅｄ照明装置、車両
JP2013047047A (ja) 2011-08-29 2013-03-07 Toyoda Gosei Co Ltd Ｌｅｄ点灯回路
US9246403B2 (en) * 2012-01-20 2016-01-26 Osram Sylvania Inc. Lighting systems with uniform LED brightness
DE102012201415A1 (de) * 2012-02-01 2013-08-01 Osram Gmbh Schaltungsanordnung, Leuchteinheit für ein Fahrzeug und Verfahren zur Ansteuerung von Halbleiterleuchtelementen
EP2852258B1 (en) * 2012-05-18 2018-11-21 Koito Manufacturing Co., Ltd. Light source control device
JP6145927B2 (ja) * 2012-06-01 2017-06-14 パナソニックＩｐマネジメント株式会社 点灯装置および車両用前照灯
JP5942257B2 (ja) * 2012-06-08 2016-06-29 パナソニックＩｐマネジメント株式会社 点灯装置および前照灯、車両
WO2013185261A1 (zh) 2012-06-15 2013-12-19 钰瀚科技股份有限公司 基于发光二极管的照明设备的分段驱动方法和装置
EP2833699A1 (de) * 2013-07-29 2015-02-04 ELMOS Semiconductor AG Vorrichtung zur Energieversorgung von, unter Verringerung von Strom/Spannungsstössen an, Leuchtdioden
FR3023669A1 (fr) * 2014-07-11 2016-01-15 Aledia Circuit optoelectronique a diodes electroluminescentes a scintillement reduit
JP6396160B2 (ja) * 2014-10-02 2018-09-26 株式会社小糸製作所 車両用灯具およびその点灯回路
JP6641080B2 (ja) * 2014-11-05 2020-02-05 ローム株式会社 発光素子駆動装置、発光装置、車両
US9781789B1 (en) * 2016-05-13 2017-10-03 Allegro Microsystems, Llc Apparatus and methods for LED control

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