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GB2469821B - Improved light source - Google Patents

Improved light source

Info

Publication number
GB2469821B
GB2469821B GB0907272A GB0907272A GB2469821B GB 2469821 B GB2469821 B GB 2469821B GB 0907272 A GB0907272 A GB 0907272A GB 0907272 A GB0907272 A GB 0907272A GB 2469821 B GB2469821 B GB 2469821B
Authority
GB
United Kingdom
Prior art keywords
light source
improved light
improved
source
light
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.)
Expired - Fee Related
Application number
GB0907272A
Other versions
GB2469821A (en
GB0907272D0 (en
Inventor
Alistair Macfarlane
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB0907272A priority Critical patent/GB2469821B/en
Publication of GB0907272D0 publication Critical patent/GB0907272D0/en
Publication of GB2469821A publication Critical patent/GB2469821A/en
Application granted granted Critical
Publication of GB2469821B publication Critical patent/GB2469821B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • H05B33/0836—
    • H05B33/0878—
    • 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]
    • H05B45/38—Switched mode power supply [SMPS] using boost topology
    • 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
    • H05B45/395—Linear regulators
    • 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
    • F21V19/00—Fastening of light sources or lamp holders
    • F21V19/001—Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
    • F21V19/003—Fastening of light source holders, e.g. of circuit boards or substrates holding light sources
    • 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
    • F21Y2107/00—Light sources with three-dimensionally disposed light-generating elements
    • 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]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
    • Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Optics & Photonics (AREA)
  • General Engineering & Computer Science (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)
GB0907272A 2009-04-28 2009-04-28 Improved light source Expired - Fee Related GB2469821B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0907272A GB2469821B (en) 2009-04-28 2009-04-28 Improved light source

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0907272A GB2469821B (en) 2009-04-28 2009-04-28 Improved light source

Publications (3)

Publication Number Publication Date
GB0907272D0 GB0907272D0 (en) 2009-06-10
GB2469821A GB2469821A (en) 2010-11-03
GB2469821B true GB2469821B (en) 2011-08-10

Family

ID=40791911

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0907272A Expired - Fee Related GB2469821B (en) 2009-04-28 2009-04-28 Improved light source

Country Status (1)

Country Link
GB (1) GB2469821B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2507308A (en) * 2012-10-25 2014-04-30 Spled Ltd LED module driver
CN111629489A (en) * 2020-06-05 2020-09-04 东莞华明灯具有限公司 Self-adaptive anti-interference induction lamp circuit

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1325670A1 (en) * 2000-10-10 2003-07-09 Elumina Lighting Technologies, Inc. Electroluminescent lighting device
US20060261747A1 (en) * 2005-05-20 2006-11-23 Takeshi Mashiko Light emitting diode drive circuit
US20070228999A1 (en) * 2002-11-19 2007-10-04 Denovo Lighting, Llc Retrofit LED lamp for fluorescent fixtures without ballast
US20070285031A1 (en) * 2004-09-21 2007-12-13 Exclara Inc. System and Method for Driving LED
WO2008132562A1 (en) * 2007-04-27 2008-11-06 Freescale Semiconductor, Inc. Power supply controller for multiple lighting components
WO2008137460A2 (en) * 2007-05-07 2008-11-13 Koninklijke Philips Electronics N V High power factor led-based lighting apparatus and methods
WO2008136458A1 (en) * 2007-05-01 2008-11-13 Sharp Kabushiki Kaisha Illumination device and lamp using the same
WO2009013698A1 (en) * 2007-07-23 2009-01-29 Koninklijke Philips Electronics N.V. Light emitting unit arrangement and control system and method thereof

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1325670A1 (en) * 2000-10-10 2003-07-09 Elumina Lighting Technologies, Inc. Electroluminescent lighting device
US20070228999A1 (en) * 2002-11-19 2007-10-04 Denovo Lighting, Llc Retrofit LED lamp for fluorescent fixtures without ballast
US20070285031A1 (en) * 2004-09-21 2007-12-13 Exclara Inc. System and Method for Driving LED
US20060261747A1 (en) * 2005-05-20 2006-11-23 Takeshi Mashiko Light emitting diode drive circuit
WO2008132562A1 (en) * 2007-04-27 2008-11-06 Freescale Semiconductor, Inc. Power supply controller for multiple lighting components
WO2008136458A1 (en) * 2007-05-01 2008-11-13 Sharp Kabushiki Kaisha Illumination device and lamp using the same
WO2008137460A2 (en) * 2007-05-07 2008-11-13 Koninklijke Philips Electronics N V High power factor led-based lighting apparatus and methods
WO2009013698A1 (en) * 2007-07-23 2009-01-29 Koninklijke Philips Electronics N.V. Light emitting unit arrangement and control system and method thereof

Also Published As

Publication number Publication date
GB2469821A (en) 2010-11-03
GB0907272D0 (en) 2009-06-10

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20170428