WO2009028058A1 - 発光制御装置等 - Google Patents

発光制御装置等 Download PDF

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Publication number
WO2009028058A1
WO2009028058A1 PCT/JP2007/066781 JP2007066781W WO2009028058A1 WO 2009028058 A1 WO2009028058 A1 WO 2009028058A1 JP 2007066781 W JP2007066781 W JP 2007066781W WO 2009028058 A1 WO2009028058 A1 WO 2009028058A1
Authority
WO
WIPO (PCT)
Prior art keywords
light emitting
output value
temperature information
driving current
control
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.)
Ceased
Application number
PCT/JP2007/066781
Other languages
English (en)
French (fr)
Inventor
Satoru Suzuki
Masao Nakane
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.)
Pioneer Corp
Original Assignee
Pioneer 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 Pioneer Corp filed Critical Pioneer Corp
Priority to JP2009529907A priority Critical patent/JP5079812B2/ja
Priority to PCT/JP2007/066781 priority patent/WO2009028058A1/ja
Publication of WO2009028058A1 publication Critical patent/WO2009028058A1/ja
Anticipated expiration legal-status Critical
Ceased 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]
    • H05B45/10—Controlling the intensity of the light
    • H05B45/18—Controlling the intensity of the light using temperature feedback

Landscapes

  • Electroluminescent Light Sources (AREA)
  • Control Of El Displays (AREA)

Abstract

　本願は、簡易な構成で使用状況に応じて適切な発光制御を行うことが可能な発光制御手段等を提供する。 　本願の発光制御装置６は、発光素子に駆動電流を印加して前記発光素子の輝度を制御する発光制御装置６において、前記発光素子の温度を示す温度情報を取得する温度情報取得手段と、予め駆動電流の出力値に閾値となる温度、及び前記閾値に対応づけられる駆動電流の目標出力値を設定しておき、前記温度情報に基づいて、前記駆動電流の出力値を徐々に前記目標出力値に近づけて制御する駆動電流制御手段と、を備えている。
PCT/JP2007/066781 2007-08-29 2007-08-29 発光制御装置等 Ceased WO2009028058A1 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2009529907A JP5079812B2 (ja) 2007-08-29 2007-08-29 発光制御装置等
PCT/JP2007/066781 WO2009028058A1 (ja) 2007-08-29 2007-08-29 発光制御装置等

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2007/066781 WO2009028058A1 (ja) 2007-08-29 2007-08-29 発光制御装置等

Publications (1)

Publication Number Publication Date
WO2009028058A1 true WO2009028058A1 (ja) 2009-03-05

Family

ID=40386802

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2007/066781 Ceased WO2009028058A1 (ja) 2007-08-29 2007-08-29 発光制御装置等

Country Status (2)

Country Link
JP (1) JP5079812B2 (ja)
WO (1) WO2009028058A1 (ja)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011113643A (ja) * 2009-11-24 2011-06-09 Panasonic Electric Works Co Ltd 点灯装置、高輝度放電灯点灯装置、半導体光源点灯装置及びそれを搭載した前照灯並びに車輌
JP2012124345A (ja) * 2010-12-09 2012-06-28 Calsonic Kansei Corp 発光ダイオードの駆動制御方法
JP2012198540A (ja) * 2011-03-21 2012-10-18 Samsung Electronics Co Ltd 携帯端末の輝度制御方法及び装置
JP2014143100A (ja) * 2013-01-24 2014-08-07 Pioneer Electronic Corp 発光装置及び制御装置
JP2019510372A (ja) * 2016-03-10 2019-04-11 イノヴァ セミコンダクトルズ ゲーエムベーハー Ｌｅｄの輝度補正のための方法および装置
JP2020177846A (ja) * 2019-04-19 2020-10-29 三菱電機株式会社 照明器具および温度検知ユニット
CN115379615A (zh) * 2022-10-20 2022-11-22 荣耀终端有限公司 一种电子设备及控制发光装置亮度的方法
CN116007766A (zh) * 2022-12-30 2023-04-25 歌尔光学科技有限公司 温度探测电路、温度探测方法、装置、设备及存储介质

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004022646A (ja) * 2002-06-13 2004-01-22 New Japan Radio Co Ltd Ｌｅｄ駆動回路
JP2006318733A (ja) * 2005-05-12 2006-11-24 Rohm Co Ltd 照明装置及びこれを用いた表示装置
JP2007087901A (ja) * 2005-09-26 2007-04-05 Harison Toshiba Lighting Corp 平面型放電ランプ点灯システム

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004022646A (ja) * 2002-06-13 2004-01-22 New Japan Radio Co Ltd Ｌｅｄ駆動回路
JP2006318733A (ja) * 2005-05-12 2006-11-24 Rohm Co Ltd 照明装置及びこれを用いた表示装置
JP2007087901A (ja) * 2005-09-26 2007-04-05 Harison Toshiba Lighting Corp 平面型放電ランプ点灯システム

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011113643A (ja) * 2009-11-24 2011-06-09 Panasonic Electric Works Co Ltd 点灯装置、高輝度放電灯点灯装置、半導体光源点灯装置及びそれを搭載した前照灯並びに車輌
JP2012124345A (ja) * 2010-12-09 2012-06-28 Calsonic Kansei Corp 発光ダイオードの駆動制御方法
JP2012198540A (ja) * 2011-03-21 2012-10-18 Samsung Electronics Co Ltd 携帯端末の輝度制御方法及び装置
US9852672B2 (en) 2011-03-21 2017-12-26 Samsung Electronics Co., Ltd. Method and apparatus for controlling brightness in a portable terminal
JP2014143100A (ja) * 2013-01-24 2014-08-07 Pioneer Electronic Corp 発光装置及び制御装置
JP2019510372A (ja) * 2016-03-10 2019-04-11 イノヴァ セミコンダクトルズ ゲーエムベーハー Ｌｅｄの輝度補正のための方法および装置
JP2020177846A (ja) * 2019-04-19 2020-10-29 三菱電機株式会社 照明器具および温度検知ユニット
CN115379615A (zh) * 2022-10-20 2022-11-22 荣耀终端有限公司 一种电子设备及控制发光装置亮度的方法
CN116007766A (zh) * 2022-12-30 2023-04-25 歌尔光学科技有限公司 温度探测电路、温度探测方法、装置、设备及存储介质

Also Published As

Publication number Publication date
JP5079812B2 (ja) 2012-11-21
JPWO2009028058A1 (ja) 2010-11-25

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