GB0900068D0 - LED lamps - Google Patents

LED lamps

Info

Publication number
GB0900068D0
GB0900068D0 GBGB0900068.8A GB0900068A GB0900068D0 GB 0900068 D0 GB0900068 D0 GB 0900068D0 GB 0900068 A GB0900068 A GB 0900068A GB 0900068 D0 GB0900068 D0 GB 0900068D0
Authority
GB
United Kingdom
Prior art keywords
led lamps
lamps
led
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.)
Withdrawn
Application number
GBGB0900068.8A
Other versions
GB2466790A (en
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.)
Greengage Lighting Ltd
Original Assignee
Greengage Lighting Ltd
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.)
Filing date
Publication date
Application filed by Greengage Lighting Ltd filed Critical Greengage Lighting Ltd
Priority to GB0900068A priority Critical patent/GB2466790A/en
Publication of GB0900068D0 publication Critical patent/GB0900068D0/en
Publication of GB2466790A publication Critical patent/GB2466790A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V3/00—Globes; Bowls; Cover glasses
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
    • F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
    • F21K9/20—Light sources comprising attachment means
    • F21K9/23—Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings
    • F21K9/232—Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings specially adapted for generating an essentially omnidirectional light distribution, e.g. with a glass bulb
    • H05B33/0833—
    • 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
    • H05B45/31—Phase-control circuits
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Optics & Photonics (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)
GB0900068A 2009-01-05 2009-01-05 A soft start mains LED lamp with LED chain and capacitor Withdrawn GB2466790A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0900068A GB2466790A (en) 2009-01-05 2009-01-05 A soft start mains LED lamp with LED chain and capacitor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0900068A GB2466790A (en) 2009-01-05 2009-01-05 A soft start mains LED lamp with LED chain and capacitor

Publications (2)

Publication Number Publication Date
GB0900068D0 true GB0900068D0 (en) 2009-02-11
GB2466790A GB2466790A (en) 2010-07-14

Family

ID=40379158

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0900068A Withdrawn GB2466790A (en) 2009-01-05 2009-01-05 A soft start mains LED lamp with LED chain and capacitor

Country Status (1)

Country Link
GB (1) GB2466790A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB201014056D0 (en) * 2010-08-23 2010-10-06 Litonics Ltd Heatsink for lighting device
DE202010014942U1 (en) * 2010-11-04 2012-02-06 Richard Hölscher Luminaire for animal husbandry
GB2489514A (en) 2011-03-31 2012-10-03 Litonics Ltd Lighting device with monitoring of load of external power supply
GB2513221B (en) 2011-03-31 2015-07-29 Litonics Ltd Lighting device
GB2501770B (en) 2012-05-04 2016-03-16 Litonics Ltd Lighting device
DE102019206461A1 (en) * 2019-05-06 2020-11-12 Osram Gmbh SEMI-CONDUCTOR RETROFIT LAMP FOR REPLACING A BULB

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100520721B1 (en) * 1999-12-14 2005-10-11 가부시키가이샤 다키온 Power supply and led lamp device
US7038399B2 (en) * 2001-03-13 2006-05-02 Color Kinetics Incorporated Methods and apparatus for providing power to lighting devices
US6577512B2 (en) * 2001-05-25 2003-06-10 Koninklijke Philips Electronics N.V. Power supply for LEDs
EP1808051A1 (en) * 2004-10-27 2007-07-18 Koninklijke Philips Electronics N.V. Startup flicker suppression in a dimmable led power supply
JP4375251B2 (en) * 2005-02-23 2009-12-02 パナソニック電工株式会社 Light control device and lighting device
US7501772B2 (en) * 2006-12-29 2009-03-10 Excellence Opto. Inc. LED lighting string employing rectified and filtered device
US7449839B1 (en) * 2007-01-10 2008-11-11 Ching-Chao Chen Structure of LED lighting chain
US7518316B2 (en) * 2007-03-12 2009-04-14 1 Energy Solutions, Inc. Half-wave rectification circuit with a low-pass filter for LED light strings
US20080247205A1 (en) * 2007-04-09 2008-10-09 Chin-Weih Wu Controlling apparatus of an AC LED string
NO326331B1 (en) * 2007-05-04 2008-11-10 Ledlight Group As Control electronics for high power LED

Also Published As

Publication number Publication date
GB2466790A (en) 2010-07-14

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)