JP4168660B2 - 放電灯点灯装置 - Google Patents

放電灯点灯装置 Download PDF

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Publication number
JP4168660B2
JP4168660B2 JP2002131226A JP2002131226A JP4168660B2 JP 4168660 B2 JP4168660 B2 JP 4168660B2 JP 2002131226 A JP2002131226 A JP 2002131226A JP 2002131226 A JP2002131226 A JP 2002131226A JP 4168660 B2 JP4168660 B2 JP 4168660B2
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JP
Japan
Prior art keywords
pwm pulse
circuit
output
voltage
pwm
Prior art date
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Expired - Fee Related
Application number
JP2002131226A
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English (en)
Japanese (ja)
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JP2003323994A5 (enExample
JP2003323994A (ja
Inventor
和重 木田
秀喜 安部
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.)
Panasonic Corp
Panasonic Holdings Corp
Original Assignee
Panasonic Corp
Matsushita Electric Industrial Co Ltd
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Application filed by Panasonic Corp, Matsushita Electric Industrial Co Ltd filed Critical Panasonic Corp
Priority to JP2002131226A priority Critical patent/JP4168660B2/ja
Publication of JP2003323994A publication Critical patent/JP2003323994A/ja
Publication of JP2003323994A5 publication Critical patent/JP2003323994A5/ja
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Publication of JP4168660B2 publication Critical patent/JP4168660B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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  • Circuit Arrangements For Discharge Lamps (AREA)
  • Discharge-Lamp Control Circuits And Pulse- Feed Circuits (AREA)
JP2002131226A 2002-05-07 2002-05-07 放電灯点灯装置 Expired - Fee Related JP4168660B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2002131226A JP4168660B2 (ja) 2002-05-07 2002-05-07 放電灯点灯装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2002131226A JP4168660B2 (ja) 2002-05-07 2002-05-07 放電灯点灯装置

Publications (3)

Publication Number Publication Date
JP2003323994A JP2003323994A (ja) 2003-11-14
JP2003323994A5 JP2003323994A5 (enExample) 2005-09-29
JP4168660B2 true JP4168660B2 (ja) 2008-10-22

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JP2002131226A Expired - Fee Related JP4168660B2 (ja) 2002-05-07 2002-05-07 放電灯点灯装置

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JP (1) JP4168660B2 (enExample)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006040780A (ja) * 2004-07-29 2006-02-09 Matsushita Electric Ind Co Ltd バックライト調光装置
JP4182081B2 (ja) 2005-04-07 2008-11-19 Ｔｄｋ株式会社 放電灯駆動装置
JP4950442B2 (ja) 2005-06-02 2012-06-13 ローム株式会社 蛍光ランプの駆動装置、発光装置ならびに液晶テレビ
KR101182304B1 (ko) * 2005-11-11 2012-09-20 엘지디스플레이 주식회사 액정 표시장치의 구동장치 및 구동방법
WO2007058216A1 (ja) * 2005-11-16 2007-05-24 Rohm Co., Ltd. インバータおよびその駆動方法、ならびにそれを用いた発光装置および液晶テレビ
JP4823650B2 (ja) * 2005-11-16 2011-11-24 ローム株式会社 インバータおよびその駆動方法、ならびにそれを用いた発光装置および液晶テレビ
CN101180786B (zh) 2005-11-22 2012-06-20 罗姆股份有限公司 逆变器及其控制电路、以及使用了它的发光装置和液晶电视
JP4838588B2 (ja) 2006-01-10 2011-12-14 ローム株式会社 インバータおよびその制御回路、ならびにそれらを用いた発光装置および液晶テレビ
JP2007288872A (ja) 2006-04-13 2007-11-01 Rohm Co Ltd インバータ装置ならびにそれを用いた発光装置および画像表示装置
JP2008029135A (ja) 2006-07-21 2008-02-07 Rohm Co Ltd 電力供給装置、電流バランス用トランス、ならびにそれらを用いた発光装置および電子機器
WO2008029445A1 (en) * 2006-09-05 2008-03-13 Panasonic Corporation Discharge lamp lighting apparatus
JP4835519B2 (ja) * 2007-02-19 2011-12-14 パナソニック電工株式会社 放電灯点灯装置及びこれを用いた照明装置、液晶表示装置
JP2009004194A (ja) * 2007-06-20 2009-01-08 Rohm Co Ltd 蛍光ランプの駆動装置、駆動方法、発光装置ならびに液晶テレビ
KR20100032354A (ko) 2007-07-18 2010-03-25 로무 가부시키가이샤 인버터의 제어 회로, 및 그것을 이용한 발광 장치 및 디스플레이 장치
JP4979521B2 (ja) 2007-09-12 2012-07-18 ローム株式会社 インバータおよびその制御回路、制御方法、ならびにそれらを用いた発光装置
JP5145103B2 (ja) 2008-04-08 2013-02-13 ローム株式会社 インバータおよびその制御回路、制御方法、ならびにそれらを用いた液晶ディスプレイ装置
JP2010029058A (ja) 2008-06-05 2010-02-04 Rohm Co Ltd インバータ装置、蛍光ランプの駆動装置およびその制御方法ならびにそれらを用いた発光装置およびディスプレイ装置
US10368410B2 (en) * 2012-10-19 2019-07-30 Linear Technology Corporation PWM control for LEDs with reduced flicker when using spread spectrum switching frequencies

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Publication number Publication date
JP2003323994A (ja) 2003-11-14

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