DE60038209D1 - Betriebsschaltung für eine LED mit Beleuchtungsstärkerückkopplung - Google Patents

Betriebsschaltung für eine LED mit Beleuchtungsstärkerückkopplung

Info

Publication number
DE60038209D1
DE60038209D1 DE60038209T DE60038209T DE60038209D1 DE 60038209 D1 DE60038209 D1 DE 60038209D1 DE 60038209 T DE60038209 T DE 60038209T DE 60038209 T DE60038209 T DE 60038209T DE 60038209 D1 DE60038209 D1 DE 60038209D1
Authority
DE
Germany
Prior art keywords
led
power supply
signal
controller
conditioning circuit
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
DE60038209T
Other languages
English (en)
Other versions
DE60038209T2 (de
Inventor
Hyman Grossman
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.)
Dialight Corp
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 DE60038209D1 publication Critical patent/DE60038209D1/de
Publication of DE60038209T2 publication Critical patent/DE60038209T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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)
  • Circuit Arrangement For Electric Light Sources In General (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Control Of El Displays (AREA)
  • Led Devices (AREA)
DE60038209T 1999-07-09 2000-07-04 Betriebsschaltung für eine LED mit Beleuchtungsstärkerückkopplung Expired - Lifetime DE60038209T2 (de)

Applications Claiming Priority (2)

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
US349769 1999-07-09

Publications (2)

Publication Number Publication Date
DE60038209D1 true DE60038209D1 (de) 2008-04-17
DE60038209T2 DE60038209T2 (de) 2009-03-12

Family

ID=23373881

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60038209T Expired - Lifetime DE60038209T2 (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
DE60038209T2 (de) 2009-03-12
ATE388607T1 (de) 2008-03-15
EP1067824B1 (de) 2008-03-05
EP1067824A2 (de) 2001-01-10
EP1067824A3 (de) 2004-01-07
US6153985A (en) 2000-11-28

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