GB201201989D0 - Circuits and methods for driving light sources - Google Patents

Circuits and methods for driving light sources

Info

Publication number: GB201201989D0
Authority: GB; United Kingdom
Prior art keywords: circuits; methods; light sources; driving light; driving
Prior art date: 2011-02-16
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.): Granted

Application number

GBGB1201989.9A

Other versions

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.)

2011-02-16

Filing date

2012-02-06

Publication date

2012-03-21

2011-02-16 Priority claimed from US13/028,626 external-priority patent/US8378588B2/en

2012-02-06 Application filed by O2Micro Inc filed Critical O2Micro Inc

2012-03-21 Publication of GB201201989D0 publication Critical patent/GB201201989D0/en

2012-08-22 Publication of GB2488208A publication Critical patent/GB2488208A/en

2013-08-14 Application granted granted Critical

2013-08-14 Publication of GB2488208B publication Critical patent/GB2488208B/en

Status Active legal-status Critical Current

2032-02-06 Anticipated expiration legal-status Critical

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
- 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]
- H05B45/20—Controlling the colour of the light
- H05B45/24—Controlling the colour of the light using electrical feedback from LEDs or from LED modules
- H05B33/0845—
- H05B33/0857—
- 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]
- H05B45/20—Controlling the colour of the light

GB1201989.9A 2011-02-16 2012-02-06 Circuits and methods for driving light sources Active GB2488208B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US13/028,626 US8378588B2 (en)	2008-12-12	2011-02-16	Circuits and methods for driving light sources

Publications (3)

Publication Number	Publication Date
GB201201989D0 true GB201201989D0 (en)	2012-03-21
GB2488208A GB2488208A (en)	2012-08-22
GB2488208B GB2488208B (en)	2013-08-14

Family

ID=45826441

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB1201989.9A Active GB2488208B (en)	2011-02-16	2012-02-06	Circuits and methods for driving light sources

Country Status (7)

Country	Link
JP (1)	JP5492921B2 (en)
CN (1)	CN102387639B (en)
BR (1)	BR102012003599A2 (en)
DE (1)	DE102012200692B4 (en)
GB (1)	GB2488208B (en)
IN (1)	IN2012DE00317A (en)
TW (1)	TWI478625B (en)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US9232591B2 (en)	2008-12-12	2016-01-05	O2Micro Inc.	Circuits and methods for driving light sources
US9386653B2 (en)	2008-12-12	2016-07-05	O2Micro Inc	Circuits and methods for driving light sources
US9253843B2 (en)	2008-12-12	2016-02-02	02Micro Inc	Driving circuit with dimming controller for driving light sources
US9030122B2 (en)	2008-12-12	2015-05-12	O2Micro, Inc.	Circuits and methods for driving LED light sources
GB2498371B (en) *	2012-01-12	2016-09-14	Tridonic Gmbh & Co Kg	Lamp controller
JP2014026954A (en) *	2012-07-26	2014-02-06	O2 Micro Inc	Circuit and method for driving light source
JP5988207B2 (en) *	2012-09-07	2016-09-07	パナソニックＩｐマネジメント株式会社	Solid-state light-emitting element driving device, lighting device, and lighting fixture
WO2014065389A1 (en)	2012-10-25	2014-05-01	Semiconductor Energy Laboratory Co., Ltd.	Central control system
TW201419934A (en) *	2012-11-02	2014-05-16	Unity Opto Technology Co Ltd	LED driving circuit
CN103841716B (en) *	2012-11-27	2016-04-27	东贝光电科技股份有限公司	Led drive circuit
TWI497010B (en) *	2013-02-19	2015-08-21		LED lamps THD improvement circuit
TWM461737U (en) *	2013-05-24	2013-09-11	Hark Group Holding Corp	Lighting device
GB2519794A (en) *	2013-10-30	2015-05-06	Kosnic Uk Ltd	Dimming lighting apparatus
CN103906314B (en) *	2014-03-04	2016-05-04	华南理工大学	LED drive circuit and method based on voltage memory with segmentation current limliting
CN104023435B (en) *	2014-05-14	2017-01-04	华南理工大学	A kind of New LED circuit
JP6495926B2 (en) *	2014-08-27	2019-04-03	シャープ株式会社	Lighting device
US9686834B2 (en) *	2014-09-15	2017-06-20	Dialog Semiconductor Inc.	Powering internal components of LED lamps using dissipative sources
CN104812118B (en) *	2015-04-17	2017-03-01	华南理工大学	A kind of LED illumination drive circuit of employing electric main and method
US10492257B2 (en) *	2016-05-20	2019-11-26	Panasonic Intellectual Property Management Co., Ltd.	Lighting device and lighting fixture
JP6722869B2 (en) *	2016-05-20	2020-07-15	パナソニックＩｐマネジメント株式会社	Lighting device and lighting equipment
CN109729614A (en) *	2017-10-27	2019-05-07	凹凸电子（武汉）有限公司	Controller, light source driving circuit and the method for controlling light source module
CN110392461A (en) *	2018-04-18	2019-10-29	凹凸电子（武汉）有限公司	Controller, light source driving circuit and the method for controlling light source module
CN111836420A (en) *	2019-04-17	2020-10-27	漳州立达信光电子科技有限公司	LED driving method, circuit, LED device and driving power module
US10602578B1 (en) *	2019-06-03	2020-03-24	Astec International Limited	Horticulture facilities with centralized power supplies for powering LED luminaires via power transfer switches
CN112068461B (en) *	2019-06-11	2022-01-04	北京大瞬科技有限公司	Controller, control circuit and method for controlling intelligent equipment by using control circuit
CN112233627B (en) *	2020-12-14	2021-04-20	北京显芯科技有限公司	Control method of backlight circuit, backlight circuit and LCD display screen

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP4495814B2 (en) *	1999-12-28	2010-07-07	アビックス株式会社	Dimmable LED lighting fixture
US7204602B2 (en) *	2001-09-07	2007-04-17	Super Vision International, Inc.	Light emitting diode pool assembly
CN2640198Y (en) *	2003-07-21	2004-09-08	长春工业大学	Light-modulation controller for large fluorescent lamp
US7296913B2 (en) *	2004-07-16	2007-11-20	Technology Assessment Group	Light emitting diode replacement lamp
US7126289B2 (en) *	2004-08-20	2006-10-24	O2 Micro Inc	Protection for external electrode fluorescent lamp system
US7339128B2 (en) *	2004-12-29	2008-03-04	George Yen	All-color light control switch
CN1925714B (en) *	2005-09-02	2010-05-05	索玉昇	Multi-stage dimming control device and dimming control method for gas discharge lamp
JP5089193B2 (en) *	2007-02-22	2012-12-05	株式会社小糸製作所	Light emitting device
CN101358719B (en) *	2007-07-30	2012-01-04	太一节能系统股份有限公司	Light-emitting diode light source and lighting system
US9101022B2 (en) *	2008-01-25	2015-08-04	Eveready Battery Company, Inc.	Lighting device having boost circuitry
US7759881B1 (en) *	2008-03-31	2010-07-20	Cirrus Logic, Inc.	LED lighting system with a multiple mode current control dimming strategy
US7843148B2 (en) *	2008-04-08	2010-11-30	Micrel, Inc.	Driving multiple parallel LEDs with reduced power supply ripple
US7919934B2 (en) *	2008-06-28	2011-04-05	Huan-Po Lin	Apparatus and method for driving and adjusting light
CN101854759B (en) *	2009-03-31	2011-07-06	凹凸电子（武汉）有限公司	Drive circuit for controlling electric energy of light source, method and system
JP5600456B2 (en) *	2009-05-19	2014-10-01	ローム株式会社	Light emitting diode drive circuit, light emitting device and display device using the same, and drive circuit protection method
JP5404190B2 (en) *	2009-06-02	2014-01-29	三菱電機株式会社	Lighting device and lighting apparatus
TWI401995B (en) *	2009-06-06	2013-07-11	Anteya Technology Corp	Power switch switching dimmer and its LED device
EP2273851A3 (en) *	2009-06-24	2011-05-11	Nxp B.V.	System and method for controlling LED cluster
CN101815383B (en) *	2010-03-31	2013-11-06	许波	LED dimming driving device and dimming LED lamp

2011
- 2011-09-19 CN CN2011102885472A patent/CN102387639B/en active Active
2012
- 2012-01-18 DE DE102012200692.3A patent/DE102012200692B4/en not_active Expired - Fee Related
- 2012-02-06 GB GB1201989.9A patent/GB2488208B/en active Active
- 2012-02-06 IN IN317DE2012 patent/IN2012DE00317A/en unknown
- 2012-02-14 TW TW101104779A patent/TWI478625B/en active
- 2012-02-15 JP JP2012030300A patent/JP5492921B2/en active Active
- 2012-02-16 BR BR102012003599-5A patent/BR102012003599A2/en not_active IP Right Cessation

Also Published As

Publication number	Publication date
BR102012003599A2 (en)	2014-07-08
CN102387639B (en)	2013-08-21
IN2012DE00317A (en)	2015-04-10
GB2488208B (en)	2013-08-14
CN102387639A (en)	2012-03-21
DE102012200692A1 (en)	2012-08-16
JP2012169277A (en)	2012-09-06
DE102012200692B4 (en)	2016-02-04
TW201236512A (en)	2012-09-01
JP5492921B2 (en)	2014-05-14
GB2488208A (en)	2012-08-22
TWI478625B (en)	2015-03-21

Publication	Publication Date	Title
GB2488208B (en)	2013-08-14	Circuits and methods for driving light sources
EP2792937A4 (en)	2015-12-16	Vehicle light
GB201119111D0 (en)	2011-12-21	Illumination apparatus
EP2801746A4 (en)	2015-10-14	Optical semiconductor lighting apparatus
EP2716967A4 (en)	2015-06-10	Light source device
PL2732319T3 (en)	2021-04-19	Automotive light
EP2604178B8 (en)	2016-11-09	Light source apparatus
EP2811225A4 (en)	2015-10-21	Optical semiconductor lighting apparatus
SG11201401092QA (en)	2014-04-28	An illumination system
AU339253S (en)	2011-11-03	Light
PL2692209T3 (en)	2015-06-30	Led light source
EP2741119A4 (en)	2015-01-14	Light source device
PL2731824T5 (en)	2018-12-31	Automotive light
EP2664845A4 (en)	2014-07-23	Illumination apparatus
EP2799759A4 (en)	2015-09-02	Lighting apparatus
PL2607777T3 (en)	2021-07-05	Vehicle light
GB2503316B (en)	2015-10-14	Circuits and methods for driving light sources
SI2482621T1 (en)	2016-02-29	Light and method for controlling same
EP2631931A4 (en)	2014-07-16	Light source device
EP2733515A4 (en)	2015-04-29	Light source device
EP2743566A4 (en)	2015-08-12	Led light source
GB2513478B8 (en)	2018-08-08	Circuits and methods for driving light sources
GB201419181D0 (en)	2014-12-10	Circuits and methods for driving light sources
GB2490887B (en)	2016-05-04	Decorative light apparatus
GB2506500B (en)	2016-04-13	Circuits and methods for driving light sources

Legal Events

Date	Code	Title	Description
2022-10-05	732E	Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)	Free format text: REGISTERED BETWEEN 20220908 AND 20220914