FR2968886B1 - Dispositif et procede de diagnostic pour systeme d'eclairage a diodes electroluminescentes et ensemble d'eclairage comportant un tel dispositif - Google Patents
Dispositif et procede de diagnostic pour systeme d'eclairage a diodes electroluminescentes et ensemble d'eclairage comportant un tel dispositifInfo
- Publication number
- FR2968886B1 FR2968886B1 FR1004836A FR1004836A FR2968886B1 FR 2968886 B1 FR2968886 B1 FR 2968886B1 FR 1004836 A FR1004836 A FR 1004836A FR 1004836 A FR1004836 A FR 1004836A FR 2968886 B1 FR2968886 B1 FR 2968886B1
- Authority
- FR
- France
- Prior art keywords
- light emitting
- emitting diode
- lighting system
- diagnostic device
- lighting assembly
- 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.)
- Active
Links
Classifications
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- 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
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/30—Driver circuits
- H05B45/395—Linear regulators
-
- 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
-
- 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
- H05B45/56—Circuit arrangements for operating light-emitting diodes [LED] responsive to malfunctions or undesirable behaviour of LEDs; responsive to LED life; Protective circuits involving measures to prevent abnormal temperature of the LEDs
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1004836A FR2968886B1 (fr) | 2010-12-13 | 2010-12-13 | Dispositif et procede de diagnostic pour systeme d'eclairage a diodes electroluminescentes et ensemble d'eclairage comportant un tel dispositif |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1004836A FR2968886B1 (fr) | 2010-12-13 | 2010-12-13 | Dispositif et procede de diagnostic pour systeme d'eclairage a diodes electroluminescentes et ensemble d'eclairage comportant un tel dispositif |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2968886A1 FR2968886A1 (fr) | 2012-06-15 |
FR2968886B1 true FR2968886B1 (fr) | 2013-05-03 |
Family
ID=44021979
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1004836A Active FR2968886B1 (fr) | 2010-12-13 | 2010-12-13 | Dispositif et procede de diagnostic pour systeme d'eclairage a diodes electroluminescentes et ensemble d'eclairage comportant un tel dispositif |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2968886B1 (fr) |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB0402974D0 (en) * | 2004-02-11 | 2004-03-17 | Bhagat Peter | Apparatus for the control of lighting and associated methods |
US7504783B2 (en) * | 2007-03-23 | 2009-03-17 | National Semiconductor Corporation | Circuit for driving and monitoring an LED |
US20090167329A1 (en) * | 2007-12-31 | 2009-07-02 | Texas Instruments Incorporated | Methods and apparatus for open lamp detection in electronic circuits |
US7696698B2 (en) * | 2007-12-31 | 2010-04-13 | Lumination Llc | LEDs tricolor power signal |
TW201029513A (en) * | 2009-01-22 | 2010-08-01 | Ite Tech Inc | Controlling circuit and controlling method |
US20100188002A1 (en) * | 2009-01-27 | 2010-07-29 | Texas Instruments Incorporated | Overvoltage protection for current limiting circuits in led applications |
DE102009029930B3 (de) * | 2009-06-19 | 2010-11-25 | Heraeus Noblelight Gmbh | Verfahren zur Erkennung eines Ausfalls zumindest einer LED |
-
2010
- 2010-12-13 FR FR1004836A patent/FR2968886B1/fr active Active
Also Published As
Publication number | Publication date |
---|---|
FR2968886A1 (fr) | 2012-06-15 |
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