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GB2408315B - Illumination control system for light emitters - Google Patents

Illumination control system for light emitters

Info

Publication number
GB2408315B
GB2408315B GB0321875A GB0321875A GB2408315B GB 2408315 B GB2408315 B GB 2408315B GB 0321875 A GB0321875 A GB 0321875A GB 0321875 A GB0321875 A GB 0321875A GB 2408315 B GB2408315 B GB 2408315B
Authority
GB
United Kingdom
Prior art keywords
control system
light emitters
illumination control
illumination
emitters
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 - Lifetime
Application number
GB0321875A
Other versions
GB2408315A (en
GB0321875D0 (en
GB2408315A9 (en
Inventor
Geoffrey Howard Gil Archenhold
Keith Anderson
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.)
Radiant Research Ltd
Original Assignee
Radiant Research 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 Radiant Research Ltd filed Critical Radiant Research Ltd
Priority to GB0321875A priority Critical patent/GB2408315B/en
Publication of GB0321875D0 publication Critical patent/GB0321875D0/en
Publication of GB2408315A publication Critical patent/GB2408315A/en
Publication of GB2408315A9 publication Critical patent/GB2408315A9/en
Application granted granted Critical
Publication of GB2408315B publication Critical patent/GB2408315B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • 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
    • H05B33/0833—
    • 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]
    • H05B45/20—Controlling the colour of the light
    • H05B45/22—Controlling the colour of the light using optical feedback
    • 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
    • F21V23/00—Arrangement of electric circuit elements in or on lighting devices
    • F21V23/04—Arrangement of electric circuit elements in or on lighting devices the elements being switches
    • F21V23/0442—Arrangement of electric circuit elements in or on lighting devices the elements being switches activated by means of a sensor, e.g. motion or photodetectors
    • 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

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)
GB0321875A 2003-09-18 2003-09-18 Illumination control system for light emitters Expired - Lifetime GB2408315B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0321875A GB2408315B (en) 2003-09-18 2003-09-18 Illumination control system for light emitters

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0321875A GB2408315B (en) 2003-09-18 2003-09-18 Illumination control system for light emitters

Publications (4)

Publication Number Publication Date
GB0321875D0 GB0321875D0 (en) 2003-10-22
GB2408315A GB2408315A (en) 2005-05-25
GB2408315A9 GB2408315A9 (en) 2005-08-01
GB2408315B true GB2408315B (en) 2007-05-16

Family

ID=29266227

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0321875A Expired - Lifetime GB2408315B (en) 2003-09-18 2003-09-18 Illumination control system for light emitters

Country Status (1)

Country Link
GB (1) GB2408315B (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2419750B (en) * 2004-10-28 2007-03-21 Premier Image Technology Corp LED controller and control method thereof
US7391337B2 (en) * 2005-09-23 2008-06-24 Gelcore Llc Interactive LED display network for retail environment
TWI391600B (en) 2005-09-27 2013-04-01 Koninkl Philips Electronics Nv Led lighting fixtures
WO2007091185A1 (en) * 2006-02-08 2007-08-16 Koninklijke Philips Electronics N.V. Video signal-processing apparatus, system and method
EP2015611A1 (en) * 2007-07-12 2009-01-14 Yu-Nung Shen Method for driving a LED
DE102007034177B4 (en) * 2007-07-23 2009-06-10 Diehl Aerospace Gmbh Method for dimming the light emitted by LED lights, in particular in the passenger cabin of a commercial aircraft
DE102007044936B4 (en) * 2007-09-20 2011-08-11 Continental Automotive GmbH, 30165 Vehicle lights
DE102007052434A1 (en) * 2007-11-02 2009-05-07 Hella Kgaa Hueck & Co. Method for dimming a light-emitting diode arrangement of a motor vehicle
GB2491550A (en) 2011-01-17 2012-12-12 Radiant Res Ltd A hybrid power control system using dynamic power regulation to increase the dimming dynamic range and power control of solid-state illumination systems
FR3001355A1 (en) * 2013-01-22 2014-07-25 Luxxen Illumination system for power LED in public place, has temperature sensors providing temperature information, and interface ready to provide input control voltage signals for regulation of power dissipated with regard to thermal conditions

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2097909A (en) * 1981-04-30 1982-11-10 Nissan Motor Monitor for a vehicle headlamp
EP1156271A1 (en) * 2000-05-18 2001-11-21 Sagem S.A. Lighting system with failure detection
US6445139B1 (en) * 1998-12-18 2002-09-03 Koninklijke Philips Electronics N.V. Led luminaire with electrically adjusted color balance

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2097909A (en) * 1981-04-30 1982-11-10 Nissan Motor Monitor for a vehicle headlamp
US6445139B1 (en) * 1998-12-18 2002-09-03 Koninklijke Philips Electronics N.V. Led luminaire with electrically adjusted color balance
EP1156271A1 (en) * 2000-05-18 2001-11-21 Sagem S.A. Lighting system with failure detection

Also Published As

Publication number Publication date
GB2408315A (en) 2005-05-25
GB0321875D0 (en) 2003-10-22
GB2408315A9 (en) 2005-08-01

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Expiry date: 20230917