JP2014026954A - 光源を駆動する回路および方法 - Google Patents

光源を駆動する回路および方法 Download PDF

Info

Publication number: JP2014026954A
Authority: JP; Japan
Prior art keywords: signal; mode; switch; current; power
Prior art date: 2012-07-26
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

JP2012245058A

Other languages

English (en)

Japanese (ja)

Inventor

Tuan Kuo Chin

チン−チュアン・クオ

Lin Lin Yun

ユン・リン・リン

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

O2Micro Inc

Original Assignee

O2Micro Inc

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.)

2012-07-26

Filing date

2012-11-07

Publication date

2014-02-06

2012-07-26 Priority claimed from US13/559,451 external-priority patent/US9232591B2/en

2012-11-07 Application filed by O2Micro Inc filed Critical O2Micro Inc

2014-02-06 Publication of JP2014026954A publication Critical patent/JP2014026954A/ja

Status Pending legal-status Critical Current

Links

238000000034 method Methods 0.000 title claims abstract description 18
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238000012544 monitoring process Methods 0.000 claims description 101
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238000010586 diagram Methods 0.000 description 22
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Images

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]
- H05B45/10—Controlling the intensity of the light

Landscapes

Circuit Arrangement For Electric Light Sources In General (AREA)

JP2012245058A 2012-07-26 2012-11-07 光源を駆動する回路および方法 Pending JP2014026954A (ja)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US13/559,451		2012-07-26
US13/559,451 US9232591B2 (en)	2008-12-12	2012-07-26	Circuits and methods for driving light sources

Publications (1)

Publication Number	Publication Date
JP2014026954A true JP2014026954A (ja)	2014-02-06

Family

ID=47757304

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
JP2012245058A Pending JP2014026954A (ja)	2012-07-26	2012-11-07	光源を駆動する回路および方法

Country Status (5)

Country	Link
EP (1)	EP2690930A1 (zh)
JP (1)	JP2014026954A (zh)
CN (2)	CN103582239B (zh)
BR (1)	BR102013017991A2 (zh)
TW (2)	TWI556686B (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP2019129080A (ja) *	2018-01-25	2019-08-01	セイコーエプソン株式会社	光源装置、投写型表示装置、及び、半導体装置

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WO2014065389A1 (en)	2012-10-25	2014-05-01	Semiconductor Energy Laboratory Co., Ltd.	Central control system
TWI509974B (zh) *	2014-02-14	2015-11-21	Elite Semiconductor Esmt	交流電壓調整電路以及發光二極體亮度調整電路
TWI504313B (zh) *	2014-02-21	2015-10-11		High utilization of light emitting diode components
TWI561118B (en) *	2014-08-13	2016-12-01	Ind Tech Res Inst	Dimming system and operating method thereof
CN104486860B (zh) *	2014-11-12	2018-03-09	肖志军	一种led灯调光电路
CN105680842B (zh) *	2014-11-18	2018-08-07	台湾半导体股份有限公司	可通过外部引脚调整操作模式的驱动电路
CN105792471A (zh) *	2014-12-26	2016-07-20	凹凸电子（武汉）有限公司	光源驱动电路、控制器和控制方法
KR20170071307A (ko) *	2015-12-15	2017-06-23	엘지이노텍 주식회사	전원 장치 및 그의 출력 전류 제어 방법
CN105744676B (zh) *	2016-01-29	2017-07-14	高玉扬	一种基于简单开关的led调光方法
DE102016107578B4 (de) *	2016-04-25	2023-06-01	Vossloh-Schwabe Deutschland Gmbh	Betriebsschaltung und Verfahren zum Betreiben wenigstens eines Leuchtmittels
WO2017207329A1 (en) *	2016-05-30	2017-12-07	Philips Lighting Holding B.V.	Method of lighting driver protection in case of loss of neutral connection, and lighting driver including such protection
CN105934040B (zh) *	2016-06-15	2018-06-19	陕西亚成微电子股份有限公司	一种调光电路
CN106314013A (zh) *	2016-08-19	2017-01-11	李莉	一种亮度可调节的led光源动漫拷贝台
CN109143873A (zh) *	2017-06-16	2019-01-04	佛山市顺德区美的电热电器制造有限公司	功能切换控制方法及装置、家用电器、存储介质
CN107613610B (zh) *	2017-09-26	2023-10-24	深圳市中科智联科技有限公司	智能照明控制器
US10136488B1 (en) *	2017-10-05	2018-11-20	Linear Technology Holding, LLC	LED dimming
CN108650738B (zh) *	2018-06-06	2024-04-23	深圳率能半导体有限公司	一种led控制电路
DE102019103660A1 (de) *	2019-02-13	2020-08-13	Vossloh-Schwabe Deutschland Gmbh	Betriebsschaltung für das Betreiben mehrerer Lasten
CN110035584B (zh) *	2019-04-28	2024-03-19	深圳市晟碟半导体有限公司	一种提高调光精度的led调光电路、调光装置及调光方法
CN110572902B (zh) *	2019-08-27	2022-05-24	昂宝电子（上海）有限公司	准谐振调光控制***和方法
TWI716152B (zh) *	2019-10-16	2021-01-11	東林科技股份有限公司	調光電路、具有此調光電路的調光器及其控制器
CN112788815B (zh) *	2019-11-04	2022-11-08	海信视像科技股份有限公司	显示装置及供电电路
CN110881231B (zh) *	2019-11-27	2021-05-18	成都芯源***有限公司	调光电路及其控制方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP2003157986A (ja) *	2001-11-26	2003-05-30	Matsushita Electric Works Ltd	照明装置
JP2009123681A (ja) *	2007-10-25	2009-06-04	Panasonic Electric Works Co Ltd	Ｌｅｄ調光装置
US20110227496A1 (en) *	2008-12-12	2011-09-22	O2Micro, Inc.	Circuits and methods for driving light sources

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US7759881B1 (en) *	2008-03-31	2010-07-20	Cirrus Logic, Inc.	LED lighting system with a multiple mode current control dimming strategy
TWI406596B (zh) *	2008-06-30	2013-08-21	Green Solution Tech Co Ltd	發光二極體驅動電路、發光二極體驅動控制單元及其電晶體開關模組
US8076867B2 (en) *	2008-12-12	2011-12-13	O2Micro, Inc.	Driving circuit with continuous dimming function for driving light sources
JP2010198860A (ja) *	2009-02-24	2010-09-09	Koito Mfg Co Ltd	放電灯点灯回路
US8912781B2 (en) *	2010-07-30	2014-12-16	Cirrus Logic, Inc.	Integrated circuit switching power supply controller with selectable buck mode operation
US9184660B2 (en) *	2010-08-18	2015-11-10	Finsix Corporation	Very high frequency switching cell-based power converter
US8237371B2 (en) *	2010-10-29	2012-08-07	O2 Micro, Inc	Differential driving circuit for powering a light source
CN102387639B (zh) *	2011-02-16	2013-08-21	凹凸电子（武汉）有限公司	用于驱动光源的驱动电路、方法及调光控制器
TWM410424U (en) *	2011-04-07	2011-08-21	Excelliance Mos Corp	Driving circuit of light emitting diode and light source apparatus
CN102395230B (zh) *	2011-05-04	2013-06-12	凹凸电子（武汉）有限公司	控制光源调光的控制器和方法及光源驱动电路

2012
- 2012-11-07 JP JP2012245058A patent/JP2014026954A/ja active Pending
2013
- 2013-01-11 EP EP13150915.0A patent/EP2690930A1/en not_active Withdrawn
- 2013-03-25 TW TW102110490A patent/TWI556686B/zh not_active IP Right Cessation
- 2013-04-28 CN CN201310155502.7A patent/CN103582239B/zh not_active Expired - Fee Related
- 2013-05-08 CN CN201310167081.XA patent/CN103582240B/zh not_active Expired - Fee Related
- 2013-06-19 TW TW102121793A patent/TWI533746B/zh not_active IP Right Cessation
- 2013-07-15 BR BRBR102013017991-4A patent/BR102013017991A2/pt not_active Application Discontinuation

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP2003157986A (ja) *	2001-11-26	2003-05-30	Matsushita Electric Works Ltd	照明装置
JP2009123681A (ja) *	2007-10-25	2009-06-04	Panasonic Electric Works Co Ltd	Ｌｅｄ調光装置
US20110227496A1 (en) *	2008-12-12	2011-09-22	O2Micro, Inc.	Circuits and methods for driving light sources

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP2019129080A (ja) *	2018-01-25	2019-08-01	セイコーエプソン株式会社	光源装置、投写型表示装置、及び、半導体装置

Also Published As

Publication number	Publication date
CN103582240B (zh)	2015-12-09
BR102013017991A2 (pt)	2014-12-23
CN103582239B (zh)	2016-02-03
CN103582239A (zh)	2014-02-12
TWI556686B (zh)	2016-11-01
TW201406207A (zh)	2014-02-01
EP2690930A1 (en)	2014-01-29
CN103582240A (zh)	2014-02-12
TWI533746B (zh)	2016-05-11
TW201406196A (zh)	2014-02-01

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2015-10-26

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Effective date: 20151026

2016-08-15

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Effective date: 20160815

2017-03-06

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Effective date: 20170306

Publication	Publication Date	Title
JP5492921B2 (ja)	2014-05-14	光源を駆動する回路および方法
JP2014026954A (ja)	2014-02-06	光源を駆動する回路および方法
US8339067B2 (en)	2012-12-25	Circuits and methods for driving light sources
US9232591B2 (en)	2016-01-05	Circuits and methods for driving light sources
US9386653B2 (en)	2016-07-05	Circuits and methods for driving light sources
US8044608B2 (en)	2011-10-25	Driving circuit with dimming controller for driving light sources
EP2521423A2 (en)	2012-11-07	Circuits and methods for driving light sources
EP2403318B1 (en)	2013-01-16	Circuits and methods for driving light sources
US8482219B2 (en)	2013-07-09	Driving circuit with dimming controller for driving light sources
US8378588B2 (en)	2013-02-19	Circuits and methods for driving light sources
JP6104511B2 (ja)	2017-03-29	光源の調光を制御する、制御器、システム、および方法
US20130278145A1 (en)	2013-10-24	Circuits and methods for driving light sources
US8508150B2 (en)	2013-08-13	Controllers, systems and methods for controlling dimming of light sources
US9253843B2 (en)	2016-02-02	Driving circuit with dimming controller for driving light sources
TWI568311B (zh)	2017-01-21	光源驅動電路、色溫控制器及控制光源色溫的方法
JP2013140931A (ja)	2013-07-18	Ｌｅｄ光源を駆動するための回路および方法
JP2013203273A (ja)	2013-10-07	車両用灯具
JP2014216320A (ja)	2014-11-17	光源を駆動する回路および方法
GB2520425A (en)	2015-05-20	Circuits and methods for driving light sources
EP3007521A2 (en)	2016-04-13	Driving circuit with dimming controller for driving light sources

JP2014026954A - 光源を駆動する回路および方法 - Google Patents

Info

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Images

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Landscapes

Applications Claiming Priority (2)

Publications (1)

Family

ID=47757304

Family Applications (1)

Country Status (5)

Cited By (1)

Families Citing this family (23)

Citations (3)

Family Cites Families (10)

Patent Citations (3)

Cited By (1)

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