EP2777365A4 - Device for failure protection in lighting devices having light emitting diodes - Google Patents

Device for failure protection in lighting devices having light emitting diodes

Info

Publication number
EP2777365A4
EP2777365A4 EP11875405.0A EP11875405A EP2777365A4 EP 2777365 A4 EP2777365 A4 EP 2777365A4 EP 11875405 A EP11875405 A EP 11875405A EP 2777365 A4 EP2777365 A4 EP 2777365A4
Authority
EP
European Patent Office
Prior art keywords
light emitting
emitting diodes
lighting devices
failure protection
failure
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.)
Withdrawn
Application number
EP11875405.0A
Other languages
German (de)
French (fr)
Other versions
EP2777365A1 (en
Inventor
Gang Yao
Hongshan Tao
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.)
General Electric Co
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Publication of EP2777365A1 publication Critical patent/EP2777365A1/en
Publication of EP2777365A4 publication Critical patent/EP2777365A4/en
Withdrawn legal-status Critical Current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]
    • H05B45/50—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]
    • H05B45/50—Circuit arrangements for operating light-emitting diodes [LED] responsive to malfunctions or undesirable behaviour of LEDs; responsive to LED life; Protective circuits
    • 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]
EP11875405.0A 2011-11-10 2011-11-10 Device for failure protection in lighting devices having light emitting diodes Withdrawn EP2777365A4 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2011/082056 WO2013067704A1 (en) 2011-11-10 2011-11-10 Device for failure protection in lighting devices having light emitting diodes

Publications (2)

Publication Number Publication Date
EP2777365A1 EP2777365A1 (en) 2014-09-17
EP2777365A4 true EP2777365A4 (en) 2015-12-02

Family

ID=48288465

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11875405.0A Withdrawn EP2777365A4 (en) 2011-11-10 2011-11-10 Device for failure protection in lighting devices having light emitting diodes

Country Status (4)

Country Link
EP (1) EP2777365A4 (en)
CN (1) CN104025712B (en)
CA (1) CA2857527A1 (en)
WO (1) WO2013067704A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2018510481A (en) 2015-03-30 2018-04-12 フィリップス ライティング ホールディング ビー ヴィ Isolated driver
CN105870896B (en) * 2016-05-20 2019-01-25 上海晶丰明源半导体股份有限公司 A kind of output short circuit protection circuit, load driving system and method

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0752804A1 (en) * 1995-07-05 1997-01-08 MAGNETEK S.p.A. Supply circuit for discharge lamps with means for preheating the electrodes
US6274987B1 (en) * 1996-05-08 2001-08-14 Magnetek, Inc. Power sensing lamp protection circuit for ballasts driving gas discharge lamps
WO2010035168A1 (en) * 2008-09-23 2010-04-01 Koninklijke Philips Electronics, N.V. Current limiting controlling for power supply, e.g. led driver, having automatic reset
US20100156324A1 (en) * 2008-11-25 2010-06-24 Haruo Nagase Led driver circuit with over-current protection during a short circuit condition

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11103021A (en) * 1997-09-26 1999-04-13 Seiko Instruments Inc Protective circuit and electronic circuit using the same
US6480043B2 (en) * 1999-05-24 2002-11-12 Semiconductor Components Industries Llc Circuit and method for protecting a switching power supply from a fault condition
US6580593B2 (en) * 2001-03-14 2003-06-17 Power Integrations, Inc. Method and apparatus for fault condition protection of a switched mode power supply
US20030112573A1 (en) * 2001-12-13 2003-06-19 Daniel Perez Method and apparatus for preventing overload in a circuit
CN101917809B (en) * 2010-08-24 2013-11-13 成都芯源系统有限公司 Driver for driving a plurality of light emitting elements, driving method, and display device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0752804A1 (en) * 1995-07-05 1997-01-08 MAGNETEK S.p.A. Supply circuit for discharge lamps with means for preheating the electrodes
US6274987B1 (en) * 1996-05-08 2001-08-14 Magnetek, Inc. Power sensing lamp protection circuit for ballasts driving gas discharge lamps
WO2010035168A1 (en) * 2008-09-23 2010-04-01 Koninklijke Philips Electronics, N.V. Current limiting controlling for power supply, e.g. led driver, having automatic reset
US20100156324A1 (en) * 2008-11-25 2010-06-24 Haruo Nagase Led driver circuit with over-current protection during a short circuit condition

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2013067704A1 *

Also Published As

Publication number Publication date
CN104025712B (en) 2016-12-21
WO2013067704A1 (en) 2013-05-16
EP2777365A1 (en) 2014-09-17
CA2857527A1 (en) 2013-05-16
CN104025712A (en) 2014-09-03

Similar Documents

Publication Publication Date Title
HK1197317A1 (en) Semiconductor light emitting device and light emitting module
HK1191731A1 (en) Semiconductor light emitting device
HK1165093A1 (en) Semiconductor light emitting device
HK1167743A1 (en) Semiconductor light emitting device
HK1163348A1 (en) Semiconductor light emitting device
ZA201409541B (en) Light emitting device
EP3001454B8 (en) Light emitting device package
EP2742540A4 (en) Illumination devices including multiple light emitting elements
EP2777080A4 (en) Light emitting device
EP2756528A4 (en) Light emitting device package
HK1190821A1 (en) Semiconductor light emitting device
GB2510976B (en) Light emitting diode display device
EP2735785A4 (en) Light emitting device
EP2696378A4 (en) Light emitting device
EP2756737A4 (en) Illumination apparatus including semiconductor light emitting diodes
EP2544252A4 (en) Light emitting device
EP2940743A4 (en) Light emitting device
GB201012483D0 (en) Light emitting diodes
EP2784832A4 (en) Semiconductor light emitting device
EP2860775A4 (en) Light emitting diode package
EP2733753A4 (en) Light emitting module
EP2820685A4 (en) Light emitting device package
EP2940742A4 (en) Light emitting device
PL2800087T3 (en) Light emitting device
EP2919287A4 (en) Substrate for light emitting diodes

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20140610

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

DAX Request for extension of the european patent (deleted)
RA4 Supplementary search report drawn up and despatched (corrected)

Effective date: 20151104

RIC1 Information provided on ipc code assigned before grant

Ipc: H05B 37/02 20060101AFI20151029BHEP

Ipc: H02H 9/04 20060101ALI20151029BHEP

Ipc: F21Y 101/02 20060101ALI20151029BHEP

Ipc: H05B 33/08 20060101ALI20151029BHEP

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: EXAMINATION IS IN PROGRESS

17Q First examination report despatched

Effective date: 20180418

RIC1 Information provided on ipc code assigned before grant

Ipc: H05B 33/08 20060101ALI20151029BHEP

Ipc: H02H 9/04 20060101ALI20151029BHEP

Ipc: H05B 37/02 20060101AFI20151029BHEP

Ipc: F21Y 101/02 20000101ALI20151029BHEP

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20200603