JPH11298044A - 光源駆動回路 - Google Patents

光源駆動回路

Info

Publication number
JPH11298044A
JPH11298044A JP10642398A JP10642398A JPH11298044A JP H11298044 A JPH11298044 A JP H11298044A JP 10642398 A JP10642398 A JP 10642398A JP 10642398 A JP10642398 A JP 10642398A JP H11298044 A JPH11298044 A JP H11298044A
Authority
JP
Japan
Prior art keywords
circuit
temperature characteristic
light source
current
temperature
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.)
Pending
Application number
JP10642398A
Other languages
English (en)
Japanese (ja)
Other versions
JPH11298044A5 (enExample
Inventor
Hiroyuki Watanabe
浩行 渡辺
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.)
Sony Corp
Original Assignee
Sony 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 Sony Corp filed Critical Sony Corp
Priority to JP10642398A priority Critical patent/JPH11298044A/ja
Publication of JPH11298044A publication Critical patent/JPH11298044A/ja
Publication of JPH11298044A5 publication Critical patent/JPH11298044A5/ja
Pending legal-status Critical Current

Links

Landscapes

  • Liquid Crystal (AREA)
  • Led Devices (AREA)
JP10642398A 1998-04-16 1998-04-16 光源駆動回路 Pending JPH11298044A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10642398A JPH11298044A (ja) 1998-04-16 1998-04-16 光源駆動回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10642398A JPH11298044A (ja) 1998-04-16 1998-04-16 光源駆動回路

Publications (2)

Publication Number Publication Date
JPH11298044A true JPH11298044A (ja) 1999-10-29
JPH11298044A5 JPH11298044A5 (enExample) 2005-08-04

Family

ID=14433261

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10642398A Pending JPH11298044A (ja) 1998-04-16 1998-04-16 光源駆動回路

Country Status (1)

Country Link
JP (1) JPH11298044A (enExample)

Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005051114A (ja) * 2003-07-30 2005-02-24 Toshiba Corp Ｌｅｄ駆動装置
KR100643246B1 (ko) * 2005-05-31 2006-11-10 삼성전자주식회사 디스플레이 장치
JP2007042307A (ja) * 2005-06-28 2007-02-15 Seiko Instruments Inc 照明装置及びこれを備える表示装置
KR100725496B1 (ko) * 2006-03-31 2007-06-08 삼성전자주식회사 백라이트 장치 및 디스플레이 장치
JP2007201473A (ja) * 2006-01-24 2007-08-09 Samsung Electro Mech Co Ltd カラーｌｅｄ駆動装置
US7425728B2 (en) 2004-12-24 2008-09-16 Toshiba Matsushita Display Technology Co., Ltd. Surface light source control device
WO2009052023A3 (en) * 2007-10-19 2009-06-04 American Sterilizer Co Lighting control system for a lighting device
JP2009152518A (ja) * 2007-11-30 2009-07-09 Omron Corp 発光ダイオード駆動装置
JP2009181839A (ja) * 2008-01-31 2009-08-13 Sharp Corp 照明装置およびこれを備えた表示装置
JP2009218009A (ja) 2008-03-07 2009-09-24 Eko Instruments Trading Co Ltd 光量制御装置、ソーラーシミュレータ
JP2010062349A (ja) * 2008-08-06 2010-03-18 Sharp Corp Ｌｅｄ駆動回路
US7812551B2 (en) 2007-10-19 2010-10-12 American Sterilizer Company Lighting control method having a light output ramping function
JP2010262820A (ja) * 2009-05-07 2010-11-18 Optex Fa Co Ltd 定電流駆動式のｌｅｄ照明装置
US8106602B2 (en) 2007-12-06 2012-01-31 Samsung Electronics Co., Ltd. Backlight assembly, display apparatus having the backlight assembly and method of preventing a current controller of the backlight assembly from being shut down
JP2012240492A (ja) * 2011-05-17 2012-12-10 Ichikoh Ind Ltd 車両灯具の点灯制御回路
CN104303597A (zh) * 2012-05-15 2015-01-21 皇家飞利浦有限公司 光源电路
JP2015156483A (ja) * 2014-01-16 2015-08-27 株式会社トクヤマ 紫外発光ダイオード
JP2016106418A (ja) * 2016-02-02 2016-06-16 三菱電機照明株式会社 定電流回路及び発光ダイオード駆動定電流回路
WO2020241247A1 (ja) * 2019-05-28 2020-12-03 株式会社村田製作所 Ｌｅｄ駆動回路

Cited By (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005051114A (ja) * 2003-07-30 2005-02-24 Toshiba Corp Ｌｅｄ駆動装置
US7425728B2 (en) 2004-12-24 2008-09-16 Toshiba Matsushita Display Technology Co., Ltd. Surface light source control device
KR100643246B1 (ko) * 2005-05-31 2006-11-10 삼성전자주식회사 디스플레이 장치
JP2007042307A (ja) * 2005-06-28 2007-02-15 Seiko Instruments Inc 照明装置及びこれを備える表示装置
US7872621B2 (en) 2006-01-24 2011-01-18 Samsung Led Co., Ltd. Color LED driver
JP2007201473A (ja) * 2006-01-24 2007-08-09 Samsung Electro Mech Co Ltd カラーｌｅｄ駆動装置
US8144087B2 (en) 2006-01-24 2012-03-27 Samsung Led Co., Ltd. Color LED driver
KR100725496B1 (ko) * 2006-03-31 2007-06-08 삼성전자주식회사 백라이트 장치 및 디스플레이 장치
WO2009052023A3 (en) * 2007-10-19 2009-06-04 American Sterilizer Co Lighting control system for a lighting device
US7701151B2 (en) 2007-10-19 2010-04-20 American Sterilizer Company Lighting control system having temperature compensation and trim circuits
US7812551B2 (en) 2007-10-19 2010-10-12 American Sterilizer Company Lighting control method having a light output ramping function
AU2008312682B2 (en) * 2007-10-19 2011-07-14 American Sterilizer Company Lighting control system for a lighting device
US7990078B2 (en) 2007-10-19 2011-08-02 American Sterilizer Company Lighting control system having a trim circuit
JP2009152518A (ja) * 2007-11-30 2009-07-09 Omron Corp 発光ダイオード駆動装置
US8106602B2 (en) 2007-12-06 2012-01-31 Samsung Electronics Co., Ltd. Backlight assembly, display apparatus having the backlight assembly and method of preventing a current controller of the backlight assembly from being shut down
JP2009181839A (ja) * 2008-01-31 2009-08-13 Sharp Corp 照明装置およびこれを備えた表示装置
JP2009218009A (ja) 2008-03-07 2009-09-24 Eko Instruments Trading Co Ltd 光量制御装置、ソーラーシミュレータ
JP2010062349A (ja) * 2008-08-06 2010-03-18 Sharp Corp Ｌｅｄ駆動回路
JP2010262820A (ja) * 2009-05-07 2010-11-18 Optex Fa Co Ltd 定電流駆動式のｌｅｄ照明装置
JP2012240492A (ja) * 2011-05-17 2012-12-10 Ichikoh Ind Ltd 車両灯具の点灯制御回路
CN104303597A (zh) * 2012-05-15 2015-01-21 皇家飞利浦有限公司 光源电路
JP2015156483A (ja) * 2014-01-16 2015-08-27 株式会社トクヤマ 紫外発光ダイオード
JP2016106418A (ja) * 2016-02-02 2016-06-16 三菱電機照明株式会社 定電流回路及び発光ダイオード駆動定電流回路
WO2020241247A1 (ja) * 2019-05-28 2020-12-03 株式会社村田製作所 Ｌｅｄ駆動回路
JPWO2020241247A1 (enExample) * 2019-05-28 2020-12-03
US11785686B2 (en) 2019-05-28 2023-10-10 Murata Manufacturing Co., Ltd. LED drive circuit

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