JP5615226B2 - 光量制御装置及びその制御方法、及び表示装置 - Google Patents

光量制御装置及びその制御方法、及び表示装置 Download PDF

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Publication number
JP5615226B2
JP5615226B2 JP2011106625A JP2011106625A JP5615226B2 JP 5615226 B2 JP5615226 B2 JP 5615226B2 JP 2011106625 A JP2011106625 A JP 2011106625A JP 2011106625 A JP2011106625 A JP 2011106625A JP 5615226 B2 JP5615226 B2 JP 5615226B2
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Prior art keywords
light
value
emitting element
correction coefficient
ambient temperature
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JP2011106625A
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Japanese (ja)
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JP2012238721A (ja
JP2012238721A5 (enExample
Inventor
郁男 高梨
郁男 高梨
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Canon Inc
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Canon Inc
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Application filed by Canon Inc filed Critical Canon Inc
Priority to JP2011106625A priority Critical patent/JP5615226B2/ja
Priority to US13/449,858 priority patent/US8829798B2/en
Publication of JP2012238721A publication Critical patent/JP2012238721A/ja
Publication of JP2012238721A5 publication Critical patent/JP2012238721A5/ja
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    • 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]
    • H05B45/20—Controlling the colour of the light
    • H05B45/22—Controlling the colour of the light using optical feedback
    • 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]
    • H05B45/20—Controlling the colour of the light
    • H05B45/28—Controlling the colour of the light using temperature feedback

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  • Led Devices (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)
JP2011106625A 2011-05-11 2011-05-11 光量制御装置及びその制御方法、及び表示装置 Expired - Fee Related JP5615226B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2011106625A JP5615226B2 (ja) 2011-05-11 2011-05-11 光量制御装置及びその制御方法、及び表示装置
US13/449,858 US8829798B2 (en) 2011-05-11 2012-04-18 Light amount control apparatus, control method therefor, and display apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2011106625A JP5615226B2 (ja) 2011-05-11 2011-05-11 光量制御装置及びその制御方法、及び表示装置

Related Child Applications (1)

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JP2014181556A Division JP5870173B2 (ja) 2014-09-05 2014-09-05 光量制御装置及びその制御方法、及び表示装置

Publications (3)

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JP2012238721A JP2012238721A (ja) 2012-12-06
JP2012238721A5 JP2012238721A5 (enExample) 2014-05-29
JP5615226B2 true JP5615226B2 (ja) 2014-10-29

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US (1) US8829798B2 (enExample)
JP (1) JP5615226B2 (enExample)

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US20140265868A1 (en) * 2013-03-15 2014-09-18 Lsi Industries, Inc Lighting Calibration for Intensity and Color
WO2015098796A1 (ja) * 2013-12-24 2015-07-02 国立大学法人 東京大学 発光素子、基準用光源および発光体の観察方法
US9648696B2 (en) * 2015-04-28 2017-05-09 Lumenetix, Inc. Recalibration of a tunable lamp system
JP6827733B2 (ja) * 2016-08-04 2021-02-10 キヤノン株式会社 発光装置および表示装置
JP6769171B2 (ja) * 2016-08-24 2020-10-14 セイコーエプソン株式会社 生体情報取得装置および生体情報取得方法
US10701783B2 (en) 2016-09-27 2020-06-30 Nippon Seiki Co., Ltd. Display device
CN108513654A (zh) * 2017-03-31 2018-09-07 深圳市柔宇科技有限公司 一种显示屏的控制方法及装置
US10897124B2 (en) * 2018-01-25 2021-01-19 Advancetrex Sensor Technologies Corp. High voltage site alarm signaling system and method for electrical cabinetry
JP6525295B1 (ja) * 2018-03-19 2019-06-05 Ｎｅｃプラットフォームズ株式会社 画像入力装置及びその制御方法、並びにプログラム
US11776460B2 (en) 2019-03-29 2023-10-03 Creeled, Inc. Active control of light emitting diodes and light emitting diode displays
US12142716B2 (en) 2019-03-29 2024-11-12 Creeled, Inc. Active control of light emitting diodes and light emitting diode displays
US11727857B2 (en) * 2019-03-29 2023-08-15 Creeled, Inc. Active control of light emitting diodes and light emitting diode displays
US11790831B2 (en) 2019-03-29 2023-10-17 Creeled, Inc. Active control of light emitting diodes and light emitting diode displays
US11694601B2 (en) 2019-03-29 2023-07-04 Creeled, Inc. Active control of light emitting diodes and light emitting diode displays
US12198605B2 (en) 2019-03-29 2025-01-14 Creeled, Inc. Active control of light emitting diodes and light emitting diode displays
US11695102B2 (en) 2020-06-19 2023-07-04 Creeled, Inc. Active electrical elements with light-emitting diodes
CN214851908U (zh) * 2021-06-16 2021-11-23 深圳市不插电光电科技有限公司 一种能够独立集成化控制的机顶盒彩灯条
EP4476714A1 (en) 2022-02-07 2024-12-18 Creeled, Inc. Light-emitting diodes with mixed clock domain signaling
US12014673B2 (en) 2022-02-07 2024-06-18 Creeled, Inc. Light-emitting diodes with mixed clock domain signaling
US12014677B1 (en) 2023-04-10 2024-06-18 Creeled, Inc. Light-emitting diode packages with transformation and shifting of pulse width modulation signals and related methods
US12437707B2 (en) 2023-09-27 2025-10-07 Creeled, Inc. Pseudo-exponential encoding for light-emitting devices and related methods

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JP2000068554A (ja) * 1998-08-21 2000-03-03 Sharp Corp 半導体発光素子
US6153985A (en) * 1999-07-09 2000-11-28 Dialight Corporation LED driving circuitry with light intensity feedback to control output light intensity of an LED
US6849905B2 (en) * 2002-12-23 2005-02-01 Matrix Semiconductor, Inc. Semiconductor device with localized charge storage dielectric and method of making same
US6873262B2 (en) * 2003-05-29 2005-03-29 Maytag Corporation Maintaining illumination intensity of a light emitting diode in a domestic appliance
JP2005268262A (ja) * 2004-03-16 2005-09-29 Mitsumi Electric Co Ltd 発光装置及びこれを用いた位置検出装置
CN101339743B (zh) 2004-11-19 2011-02-09 索尼株式会社 背光装置、驱动背光的方法以及液晶显示设备
JP4539492B2 (ja) * 2004-11-19 2010-09-08 ソニー株式会社 バックライト装置、バックライト駆動方法及び液晶表示装置
JP4438722B2 (ja) * 2004-11-19 2010-03-24 ソニー株式会社 バックライト駆動装置、バックライト駆動方法及び液晶表示装置
US7391335B2 (en) * 2005-08-18 2008-06-24 Honeywell International, Inc. Aerospace light-emitting diode (LED)-based lights life and operation monitor compensator
ES2663839T3 (es) * 2007-10-09 2018-04-17 Philips Lighting North America Corporation Luminaria basada en unos LED integrados para iluminación general
JP2010056219A (ja) * 2008-08-27 2010-03-11 Stanley Electric Co Ltd 半導体発光素子のジャンクション温度の制御方法
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US8575865B2 (en) * 2009-03-24 2013-11-05 Apple Inc. Temperature based white point control in backlights

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JP2012238721A (ja) 2012-12-06
US20120286674A1 (en) 2012-11-15
US8829798B2 (en) 2014-09-09

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