SG92752A1 - Led lamp - Google Patents

Led lamp

Info

Publication number
SG92752A1
SG92752A1 SG200006275A SG200006275A SG92752A1 SG 92752 A1 SG92752 A1 SG 92752A1 SG 200006275 A SG200006275 A SG 200006275A SG 200006275 A SG200006275 A SG 200006275A SG 92752 A1 SG92752 A1 SG 92752A1
Authority
SG
Singapore
Prior art keywords
led lamp
preannouncement
power supply
function
life time
Prior art date
Application number
SG200006275A
Other languages
English (en)
Inventor
Oishi Masatoshi
Tokimoto Toyotaro
Imai Fumio
Original Assignee
Avix Inc
Tokai Ryokaku Tetsudo Kk
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 Avix Inc, Tokai Ryokaku Tetsudo Kk filed Critical Avix Inc
Publication of SG92752A1 publication Critical patent/SG92752A1/en

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]
    • H05B45/50—Circuit arrangements for operating light-emitting diodes [LED] responsive to malfunctions or undesirable behaviour of LEDs; responsive to LED life; Protective circuits
    • H05B45/58—Circuit arrangements for operating light-emitting diodes [LED] responsive to malfunctions or undesirable behaviour of LEDs; responsive to LED life; Protective circuits involving end of life detection of LEDs
    • 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
    • H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/20—Responsive to malfunctions or to light source life; for protection
    • 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]
    • H05B45/40—Details of LED load circuits
    • H05B45/44—Details of LED load circuits with an active control inside an LED matrix
    • H05B45/46—Details of LED load circuits with an active control inside an LED matrix having LEDs disposed in parallel lines
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S362/00—Illumination
    • Y10S362/80—Light emitting diode
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S362/00—Illumination
    • Y10S362/806—Ornamental or decorative

Landscapes

  • Circuit Arrangement For Electric Light Sources In General (AREA)
  • Led Device Packages (AREA)
  • Led Devices (AREA)
  • Control Of El Displays (AREA)
  • Control Or Security For Electrophotography (AREA)
SG200006275A 1999-11-05 2000-10-31 Led lamp SG92752A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP31529299A JP4422832B2 (ja) 1999-11-05 1999-11-05 Ｌｅｄ電灯

Publications (1)

Publication Number Publication Date
SG92752A1 true SG92752A1 (en) 2002-11-19

Family

ID=18063649

Family Applications (1)

Application Number Title Priority Date Filing Date
SG200006275A SG92752A1 (en) 1999-11-05 2000-10-31 Led lamp

Country Status (14)

Country Link
US (1) US6348766B1 (pt)
EP (1) EP1098550B1 (pt)
JP (1) JP4422832B2 (pt)
CN (1) CN1295214A (pt)
AT (1) ATE294496T1 (pt)
AU (1) AU779265B2 (pt)
BR (1) BR0005248A (pt)
CA (1) CA2324918C (pt)
DE (1) DE60019703T2 (pt)
ES (1) ES2238974T3 (pt)
HK (1) HK1036382A1 (pt)
RU (1) RU2248107C2 (pt)
SG (1) SG92752A1 (pt)
TW (1) TW480743B (pt)

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US20110062892A1 (en) * 2009-09-16 2011-03-17 Jian-Shen Li Driving device for a light emitting diode circuit and related lighting device
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EP0952757A2 (de) * 1998-04-25 1999-10-27 Mannesmann VDO Aktiengesellschaft Schaltungsanordnung zur Einstellung der Helligkeit stromgesteurter Leuchtdioden zur Beleuchtung einer Anzeige

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US5274611A (en) * 1992-04-22 1993-12-28 Joseph Donohoe Apparatus and method for estimating the expired portion of the expected total service life of a mercury vapor lamp based upon the time the lamp is electrically energized
JPH1039836A (ja) * 1996-07-26 1998-02-13 Hitachi Ltd Ｌｅｄ表示器およびその寿命監視方法
EP0952757A2 (de) * 1998-04-25 1999-10-27 Mannesmann VDO Aktiengesellschaft Schaltungsanordnung zur Einstellung der Helligkeit stromgesteurter Leuchtdioden zur Beleuchtung einer Anzeige

Also Published As

Publication number Publication date
US6348766B1 (en) 2002-02-19
JP4422832B2 (ja) 2010-02-24
HK1036382A1 (en) 2001-12-28
EP1098550A3 (en) 2002-08-14
CA2324918A1 (en) 2001-05-05
CN1295214A (zh) 2001-05-16
DE60019703D1 (de) 2005-06-02
CA2324918C (en) 2005-08-16
DE60019703T2 (de) 2006-03-16
BR0005248A (pt) 2001-08-07
RU2248107C2 (ru) 2005-03-10
AU6959500A (en) 2001-07-12
EP1098550A2 (en) 2001-05-09
EP1098550B1 (en) 2005-04-27
JP2001135483A (ja) 2001-05-18
ES2238974T3 (es) 2005-09-16
ATE294496T1 (de) 2005-05-15
TW480743B (en) 2002-03-21
AU779265B2 (en) 2005-01-13

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