GB201314907D0 - Light Apparatus - Google Patents

Light Apparatus

Info

Publication number: GB201314907D0
Authority: GB; United Kingdom
Prior art keywords: light apparatus; light
Prior art date: 2013-08-20
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

GBGB1314907.5A

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.)

Harvard Engineering PLC

Original Assignee

Harvard Engineering PLC

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.)

2013-08-20

Filing date

2013-08-20

Publication date

2013-10-02

2013-08-20 Application filed by Harvard Engineering PLC filed Critical Harvard Engineering PLC

2013-08-20 Priority to GB1314907.5A priority Critical patent/GB2517455B/en

2013-10-02 Publication of GB201314907D0 publication Critical patent/GB201314907D0/en

2015-02-25 Publication of GB2517455A publication Critical patent/GB2517455A/en

2016-11-02 Application granted granted Critical

2016-11-02 Publication of GB2517455B publication Critical patent/GB2517455B/en

Status Expired - Fee Related legal-status Critical Current

2033-08-20 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]
- H05B45/40—Details of LED load circuits
- H05B45/44—Details of LED load circuits with an active control inside an LED matrix
- H05B45/46—Details of LED load circuits with an active control inside an LED matrix having LEDs disposed in parallel lines
- 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
- 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
- H05B45/28—Controlling the colour of the light using temperature feedback
- 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]
- H05B45/30—Driver circuits
- H05B45/37—Converter circuits
- H05B45/3725—Switched mode power supply [SMPS]
- H05B45/382—Switched mode power supply [SMPS] with galvanic isolation between input and output
- 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

GB1314907.5A 2013-08-20 2013-08-20 Lighting Apparatus Expired - Fee Related GB2517455B (en)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
GB1314907.5A GB2517455B (en)	2013-08-20	2013-08-20	Lighting Apparatus

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB1314907.5A GB2517455B (en)	2013-08-20	2013-08-20	Lighting Apparatus

Publications (3)

Publication Number	Publication Date
GB201314907D0 true GB201314907D0 (en)	2013-10-02
GB2517455A GB2517455A (en)	2015-02-25
GB2517455B GB2517455B (en)	2016-11-02

Family

ID=49301977

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB1314907.5A Expired - Fee Related GB2517455B (en)	2013-08-20	2013-08-20	Lighting Apparatus

Country Status (1)

Country	Link
GB (1)	GB2517455B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE102015205808A1 (en) *	2015-03-31	2016-10-06	Osram Gmbh	Circuit arrangement for operating at least a first and exactly a second cascade of LEDs
GB2546977A (en) *	2016-01-29	2017-08-09	Global Design Solutions Ltd	A lamp unit
WO2021013677A1 (en)	2019-07-19	2021-01-28	Signify Holding B.V.	Improved balance control for 2-channel cct dimming
EP4021149A1 (en) *	2020-12-22	2022-06-29	Textron Systems Corporation	Light appartus with parallel-arranged leds and per-led drivers

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CA2159842A1 (en) *	1994-12-05	1996-06-06	Joe A. Ortiz	Diode drive current source
WO2001001385A1 (en) *	1999-06-29	2001-01-04	Welles Reymond	Ac powered led circuits for traffic signal displays
WO2012164511A1 (en) *	2011-06-03	2012-12-06	Osram Ag	A method of driving led lighting sources and related device
US8710754B2 (en) *	2011-09-12	2014-04-29	Juno Manufacturing Llc	Dimmable LED light fixture having adjustable color temperature
US8917026B2 (en) *	2011-12-20	2014-12-23	Lumenetix, Inc.	Linear bypass electrical circuit for driving LED strings
US9930739B2 (en) *	2012-08-29	2018-03-27	Osram Sylvania Inc.	Current sharing circuit for LED lighting
US9844113B2 (en) *	2013-01-25	2017-12-12	Dialog Semiconductor Inc.	Adjusting color temperature in a dimmable LED lighting system

2013
- 2013-08-20 GB GB1314907.5A patent/GB2517455B/en not_active Expired - Fee Related

Also Published As

Publication number	Publication date
GB2517455A (en)	2015-02-25
GB2517455B (en)	2016-11-02

Publication	Publication Date	Title
GB201709707D0 (en)	2017-08-02	Lighting apparatus
GB201311764D0 (en)	2013-08-14	An apparatus
GB201300928D0 (en)	2013-03-06	Apparatus
GB201302789D0 (en)	2013-04-03	Apparatus
HUE059911T2 (en)	2023-01-28	Apparatus
GB201317043D0 (en)	2013-11-06	An apparatus
PL2976209T3 (en)	2017-07-31	Film-embossing apparatus
GB201319708D0 (en)	2013-12-25	An apparatus
GB2517736B (en)	2015-12-23	Illumination apparatus
GB201312517D0 (en)	2013-08-28	Apparatus
EP2998640A4 (en)	2016-09-14	Lighting apparatus
EP3012519A4 (en)	2017-02-08	Illumination apparatus
GB201320855D0 (en)	2014-01-08	Apparatus
GB201314907D0 (en)	2013-10-02	Light Apparatus
GB201310954D0 (en)	2013-07-31	Light Receiving Device
GB201307388D0 (en)	2013-06-05	Optical device
GB201402997D0 (en)	2014-04-09	Improved apparatus
PL2878426T3 (en)	2017-06-30	Forming apparatus
GB2514613B (en)	2015-12-09	Construction apparatus
GB201319954D0 (en)	2013-12-25	Apparatus
GB201311738D0 (en)	2013-08-14	Apparatus
GB201310529D0 (en)	2013-07-24	Traysealing apparatus
GB2505976B (en)	2014-09-17	Apparatus
PL2873503T3 (en)	2017-06-30	Forming apparatus
EP2981876A4 (en)	2016-12-07	An apparatus

Legal Events

Date	Code	Title	Description
2020-04-29	PCNP	Patent ceased through non-payment of renewal fee	Effective date: 20190820