JPWO2020241247A1 - - Google Patents

Info

Publication number
JPWO2020241247A1
JPWO2020241247A1 JP2021522184A JP2021522184A JPWO2020241247A1 JP WO2020241247 A1 JPWO2020241247 A1 JP WO2020241247A1 JP 2021522184 A JP2021522184 A JP 2021522184A JP 2021522184 A JP2021522184 A JP 2021522184A JP WO2020241247 A1 JPWO2020241247 A1 JP WO2020241247A1
Authority
JP
Japan
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.)
Granted
Application number
JP2021522184A
Other languages
Japanese (ja)
Other versions
JP7184183B2 (ja
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 filed Critical
Publication of JPWO2020241247A1 publication Critical patent/JPWO2020241247A1/ja
Application granted granted Critical
Publication of JP7184183B2 publication Critical patent/JP7184183B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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]
    • H05B45/30—Driver circuits
    • H05B45/345—Current stabilisation; Maintaining constant current
    • 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
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10H—INORGANIC LIGHT-EMITTING SEMICONDUCTOR DEVICES HAVING POTENTIAL BARRIERS
    • H10H20/00—Individual inorganic light-emitting semiconductor devices having potential barriers, e.g. light-emitting diodes [LED]
    • H10H20/80—Constructional details

Landscapes

  • Led Devices (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)
JP2021522184A 2019-05-28 2020-05-12 Ｌｅｄ駆動回路 Active JP7184183B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2019099280 2019-05-28
JP2019099280 2019-05-28
PCT/JP2020/019016 WO2020241247A1 (ja) 2019-05-28 2020-05-12 Ｌｅｄ駆動回路

Publications (2)

Publication Number Publication Date
JPWO2020241247A1 true JPWO2020241247A1 (https=) 2020-12-03
JP7184183B2 JP7184183B2 (ja) 2022-12-06

Family

ID=73553991

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2021522184A Active JP7184183B2 (ja) 2019-05-28 2020-05-12 Ｌｅｄ駆動回路

Country Status (5)

Country Link
US (1) US11785686B2 (https=)
JP (1) JP7184183B2 (https=)
CN (1) CN113924661B (https=)
DE (1) DE112020002722B4 (https=)
WO (1) WO2020241247A1 (https=)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09325719A (ja) * 1996-05-31 1997-12-16 Sanyo Electric Co Ltd 太陽電池型表示装置
JPH11298044A (ja) * 1998-04-16 1999-10-29 Sony Corp 光源駆動回路
JP2001339286A (ja) * 2000-05-26 2001-12-07 Atsumi Electric Co Ltd ビームセンサの投光回路
JP2009267065A (ja) * 2008-04-24 2009-11-12 Toyoda Gosei Co Ltd Ｌｅｄ駆動回路およびｌｅｄ照明装置
JP2010062349A (ja) * 2008-08-06 2010-03-18 Sharp Corp Ｌｅｄ駆動回路
JP2014146423A (ja) * 2013-01-25 2014-08-14 Panasonic Corp 電流バイパス回路、照明用光源及び照明装置
CN205883643U (zh) * 2015-10-17 2017-01-11 广东瑞德智能科技股份有限公司 一种led灯简易式过热及过流保护电路

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0832361A (ja) 1994-07-14 1996-02-02 Toyota Autom Loom Works Ltd 保護装置付き増幅回路
JP2006222219A (ja) * 2005-02-09 2006-08-24 Nec Viewtechnology Ltd Ｌｅｄ駆動回路
US8111011B1 (en) 2007-01-11 2012-02-07 Leotek Electronics Corporation LED luminaire with improved life and operation management
CN101646290B (zh) 2008-08-06 2012-10-31 夏普株式会社 Led驱动电路
SI23077A (sl) 2009-06-03 2010-12-31 Technoplast D.O.O. Vezje za temperaturno krmiljenje led diode
EP2472707B1 (en) * 2009-08-27 2017-01-04 Fuji Electric Co., Ltd. Semiconductor drive device
US8878443B2 (en) * 2012-04-11 2014-11-04 Osram Sylvania Inc. Color correlated temperature correction for LED strings
CN108954022B (zh) * 2017-05-22 2021-07-23 卡任特照明解决方案有限公司 Led灯及应用于该led灯的温度控制电路
CN110945364B (zh) * 2017-08-05 2021-08-03 株式会社村田制作所 风速测定装置和风量测定装置
CN207705762U (zh) * 2017-12-29 2018-08-07 福建省苍乐电子企业有限公司 一种过温保护电路

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09325719A (ja) * 1996-05-31 1997-12-16 Sanyo Electric Co Ltd 太陽電池型表示装置
JPH11298044A (ja) * 1998-04-16 1999-10-29 Sony Corp 光源駆動回路
JP2001339286A (ja) * 2000-05-26 2001-12-07 Atsumi Electric Co Ltd ビームセンサの投光回路
JP2009267065A (ja) * 2008-04-24 2009-11-12 Toyoda Gosei Co Ltd Ｌｅｄ駆動回路およびｌｅｄ照明装置
JP2010062349A (ja) * 2008-08-06 2010-03-18 Sharp Corp Ｌｅｄ駆動回路
JP2014146423A (ja) * 2013-01-25 2014-08-14 Panasonic Corp 電流バイパス回路、照明用光源及び照明装置
CN205883643U (zh) * 2015-10-17 2017-01-11 广东瑞德智能科技股份有限公司 一种led灯简易式过热及过流保护电路

Also Published As

Publication number Publication date
DE112020002722B4 (de) 2023-03-02
JP7184183B2 (ja) 2022-12-06
CN113924661A (zh) 2022-01-11
DE112020002722T5 (de) 2022-02-17
US11785686B2 (en) 2023-10-10
CN113924661B (zh) 2024-02-13
US20220039232A1 (en) 2022-02-03
WO2020241247A1 (ja) 2020-12-03

Similar Documents

Publication Publication Date Title
BR112021017339A2 (https=)
BR112021018450A2 (https=)
BR112021017637A2 (https=)
BR112021017892A2 (https=)
BR112021017782A2 (https=)
BR112021016821A2 (https=)
BR112021017939A2 (https=)
BR112021017738A2 (https=)
BR112021017728A2 (https=)
BR112021018452A2 (https=)
BR112021017703A2 (https=)
BR112021018102A2 (https=)
BR112021017732A2 (https=)
BR112021017234A2 (https=)
BR112021017355A2 (https=)
BR112021018168A2 (https=)
BR112021018093A2 (https=)
BR112021017173A2 (https=)
BR112021017083A2 (https=)
BR112021018250A2 (https=)
BR112021018584A2 (https=)
BR112021017310A2 (https=)
BR112021018484A2 (https=)
BR112021017949A2 (https=)
BR112021018084A2 (https=)

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20210919

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20210919

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20220920

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20221016

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20221025

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20221107

R150 Certificate of patent or registration of utility model

Ref document number: 7184183

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150