Young et al., 1996 - Google Patents

Classifications

• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING ENGINES OR PUMPS
  • F21—LIGHTING
  • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF
  • F21S48/00—Lighting devices or systems specially adapted for vehicles
  • F21S48/10—Headlamps
  • F21S48/11—Headlamps characterised by the light source
  • F21S48/1145—Type of light source
  • F21S48/115—Light emitting diodes (LEDs)
• • H—ELECTRICITY
  • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • H05B—ELECTRIC HEATING; ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR
  • H05B33/00—Electroluminescent light sources
  • H05B33/02—Details
  • H05B33/08—Circuit arrangements not adapted to a particular application
  • H05B33/0803—Circuit arrangements not adapted to a particular application for light emitting diodes (LEDs) comprising only inorganic semi-conductor materials
  • H05B33/0806—Structural details of the circuit
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING ENGINES OR PUMPS
  • F21—LIGHTING
  • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF
  • F21S48/00—Lighting devices or systems specially adapted for vehicles
  • F21S48/30—Arrangements dedicated to purposes other than light emission or distribution
  • F21S48/32—Cooling of the lighting devices
  • F21S48/328—Passive cooling
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING ENGINES OR PUMPS
  • 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
  • F21Y2101/00—Point-like light sources
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING ENGINES OR PUMPS
  • F21—LIGHTING
  • F21K—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

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