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ATE388607T1 - Betriebsschaltung für eine led mit beleuchtungsstärkerückkopplung - Google Patents

Betriebsschaltung für eine led mit beleuchtungsstärkerückkopplung

Info

Publication number
ATE388607T1
ATE388607T1 AT00305636T AT00305636T ATE388607T1 AT E388607 T1 ATE388607 T1 AT E388607T1 AT 00305636 T AT00305636 T AT 00305636T AT 00305636 T AT00305636 T AT 00305636T AT E388607 T1 ATE388607 T1 AT E388607T1
Authority
AT
Austria
Prior art keywords
led
power supply
signal
controller
conditioning circuit
Prior art date
Application number
AT00305636T
Other languages
English (en)
Inventor
Hyman Grossman
Original Assignee
Dialight Corp
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 Dialight Corp filed Critical Dialight Corp
Application granted granted Critical
Publication of ATE388607T1 publication Critical patent/ATE388607T1/de

Links

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]
    • H05B45/10—Controlling the intensity of the light
    • 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
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2111/00—Use or application of lighting devices or systems for signalling, marking or indicating, not provided for in codes F21W2102/00 – F21W2107/00
    • 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
    • F21Y2105/00—Planar light sources
    • F21Y2105/10—Planar light sources comprising a two-dimensional array of point-like 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]
    • 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]
    • H05B45/10—Controlling the intensity of the light
    • H05B45/12—Controlling the intensity of the light using optical feedback

Landscapes

  • Traffic Control Systems (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Control Of El Displays (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)
  • Led Devices (AREA)
AT00305636T 1999-07-09 2000-07-04 Betriebsschaltung für eine led mit beleuchtungsstärkerückkopplung ATE388607T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/349,769 US6153985A (en) 1999-07-09 1999-07-09 LED driving circuitry with light intensity feedback to control output light intensity of an LED

Publications (1)

Publication Number Publication Date
ATE388607T1 true ATE388607T1 (de) 2008-03-15

Family

ID=23373881

Family Applications (1)

Application Number Title Priority Date Filing Date
AT00305636T ATE388607T1 (de) 1999-07-09 2000-07-04 Betriebsschaltung für eine led mit beleuchtungsstärkerückkopplung

Country Status (4)

Country Link
US (1) US6153985A (de)
EP (1) EP1067824B1 (de)
AT (1) ATE388607T1 (de)
DE (1) DE60038209T2 (de)

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Also Published As

Publication number Publication date
EP1067824B1 (de) 2008-03-05
EP1067824A2 (de) 2001-01-10
DE60038209T2 (de) 2009-03-12
EP1067824A3 (de) 2004-01-07
DE60038209D1 (de) 2008-04-17
US6153985A (en) 2000-11-28

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