JP6421407B2 - 駆動装置、発光装置、投影装置及び制御方法 - Google Patents

駆動装置、発光装置、投影装置及び制御方法 Download PDF

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Publication number
JP6421407B2
JP6421407B2 JP2013178916A JP2013178916A JP6421407B2 JP 6421407 B2 JP6421407 B2 JP 6421407B2 JP 2013178916 A JP2013178916 A JP 2013178916A JP 2013178916 A JP2013178916 A JP 2013178916A JP 6421407 B2 JP6421407 B2 JP 6421407B2
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Japan
Prior art keywords
period
power supply
supply circuit
switching element
output
Prior art date
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JP2013178916A
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English (en)
Japanese (ja)
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JP2015050785A (ja
JP2015050785A5 (https=
Inventor
秀雄 濱中
秀雄 濱中
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Casio Computer Co Ltd
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Casio Computer Co Ltd
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Publication date
Application filed by Casio Computer Co Ltd filed Critical Casio Computer Co Ltd
Priority to JP2013178916A priority Critical patent/JP6421407B2/ja
Priority to US14/472,231 priority patent/US9270175B2/en
Priority to CN201410432629.3A priority patent/CN104427724B/zh
Publication of JP2015050785A publication Critical patent/JP2015050785A/ja
Publication of JP2015050785A5 publication Critical patent/JP2015050785A5/ja
Application granted granted Critical
Publication of JP6421407B2 publication Critical patent/JP6421407B2/ja
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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02MAPPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M3/00Conversion of DC power input into DC power output
    • H02M3/02Conversion of DC power input into DC power output without intermediate conversion into AC
    • H02M3/04Conversion of DC power input into DC power output without intermediate conversion into AC by static converters
    • H02M3/10Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
    • H02M3/145Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
    • H02M3/155Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
    • H02M3/156Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators
    • H02M3/158Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators including plural semiconductor devices as final control devices for a single load
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02MAPPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M1/00Details of apparatus for conversion
    • H02M1/32Means for protecting converters other than automatic disconnection
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/30Driver circuits
    • H05B45/37Converter circuits
    • H05B45/3725Switched mode power supply [SMPS]
    • H05B45/375Switched mode power supply [SMPS] using buck topology
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/30Driver circuits
    • H05B45/37Converter circuits
    • H05B45/3725Switched mode power supply [SMPS]
    • H05B45/38Switched mode power supply [SMPS] using boost topology

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Dc-Dc Converters (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
JP2013178916A 2013-08-30 2013-08-30 駆動装置、発光装置、投影装置及び制御方法 Active JP6421407B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2013178916A JP6421407B2 (ja) 2013-08-30 2013-08-30 駆動装置、発光装置、投影装置及び制御方法
US14/472,231 US9270175B2 (en) 2013-08-30 2014-08-28 Driving device, light-emitting device, projection device and control method
CN201410432629.3A CN104427724B (zh) 2013-08-30 2014-08-28 驱动装置、发光装置、投影装置以及控制方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2013178916A JP6421407B2 (ja) 2013-08-30 2013-08-30 駆動装置、発光装置、投影装置及び制御方法

Publications (3)

Publication Number Publication Date
JP2015050785A JP2015050785A (ja) 2015-03-16
JP2015050785A5 JP2015050785A5 (https=) 2016-10-20
JP6421407B2 true JP6421407B2 (ja) 2018-11-14

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Family Applications (1)

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JP2013178916A Active JP6421407B2 (ja) 2013-08-30 2013-08-30 駆動装置、発光装置、投影装置及び制御方法

Country Status (3)

Country Link
US (1) US9270175B2 (https=)
JP (1) JP6421407B2 (https=)
CN (1) CN104427724B (https=)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9788375B2 (en) 2013-11-28 2017-10-10 Panasonic Intellectual Property Management Co., Ltd. Lighting device and illumination apparatus using same
JP6233701B2 (ja) * 2013-11-28 2017-11-22 パナソニックIpマネジメント株式会社 点灯装置および照明器具
KR101734094B1 (ko) * 2015-03-09 2017-05-11 국립암센터 증강현실영상 투영 시스템
CN105892213B (zh) * 2016-06-30 2017-08-25 海信集团有限公司 一种双色激光光源驱动控制电路
JP7189598B2 (ja) * 2018-09-04 2022-12-14 トキコーポレーション株式会社 照明装置
DE102020114075A1 (de) * 2020-05-26 2021-12-02 Marelli Automotive Lighting Reutlingen (Germany) GmbH Steuerschaltung und Verfahren zum Steuern mehrerer parallel zueinander geschalteter LED-Anordnungen und Beleuchtungseinrichtung für ein Kraftfahrzeug mit einer solchen Steuerschaltung
CN114157142A (zh) * 2021-12-06 2022-03-08 未来穿戴技术股份有限公司 用于按摩器的电源装置、电压控制方法及按摩器
CN119148450A (zh) * 2023-06-08 2024-12-17 中强光电股份有限公司 投影装置及投影装置的驱动方法

Family Cites Families (14)

* Cited by examiner, † Cited by third party
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JP2006210848A (ja) * 2005-01-31 2006-08-10 Toyota Industries Corp 発光装置及び有機エレクトロルミネッセンス素子の駆動方法
JP4940664B2 (ja) * 2006-01-13 2012-05-30 ウシオ電機株式会社 放電ランプ点灯装置およびプロジェクタ
JP4595869B2 (ja) 2006-03-31 2010-12-08 カシオ計算機株式会社 発光素子の駆動装置、発光素子の駆動方法及びプロジェクタ
KR100784014B1 (ko) * 2006-04-17 2007-12-07 삼성에스디아이 주식회사 유기전계발광 표시장치 및 그의 구동방법
JP2008234842A (ja) * 2007-03-16 2008-10-02 Seiko Epson Corp 光源装置及びプロジェクタ
JP5406574B2 (ja) 2008-12-17 2014-02-05 ソニーモバイルコミュニケーションズ株式会社 電源装置および電子機器
CN102725685A (zh) * 2010-02-01 2012-10-10 松下电器产业株式会社 发光元件驱动装置及便携式设备
JP5459505B2 (ja) * 2010-07-29 2014-04-02 セイコーエプソン株式会社 プロジェクター
JP5569231B2 (ja) * 2010-08-03 2014-08-13 株式会社ニコン 発光素子駆動回路、表示装置
CN102186291B (zh) * 2011-04-18 2014-02-26 台达电子企业管理(上海)有限公司 驱动电路结构
JP5829067B2 (ja) * 2011-07-11 2015-12-09 ローム株式会社 Led駆動装置、照明装置、液晶表示装置
DE102012109724A1 (de) * 2011-10-18 2013-04-18 Samsung Electronics Co. Ltd. Leistungsversorgungsvorrichtung und Treibervorrichtung
JP5783460B2 (ja) * 2011-10-25 2015-09-24 岩崎電気株式会社 センサ付きled電源装置
JP2015050787A (ja) * 2013-08-30 2015-03-16 カシオ計算機株式会社 駆動装置、発光装置、投影装置、制御方法及び記憶媒体

Also Published As

Publication number Publication date
JP2015050785A (ja) 2015-03-16
US20150061527A1 (en) 2015-03-05
CN104427724B (zh) 2017-04-12
US9270175B2 (en) 2016-02-23
CN104427724A (zh) 2015-03-18

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