KR101629891B1 - 변조 주파수 검출 기술들을 이용한 ｌｅｄ 제어 - Google Patents

변조 주파수 검출 기술들을 이용한 ｌｅｄ 제어 Download PDF

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KR101629891B1
KR101629891B1 KR1020137008370A KR20137008370A KR101629891B1 KR 101629891 B1 KR101629891 B1 KR 101629891B1 KR 1020137008370 A KR1020137008370 A KR 1020137008370A KR 20137008370 A KR20137008370 A KR 20137008370A KR 101629891 B1 KR101629891 B1 KR 101629891B1
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led
brightness
signal
channels
channel
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Korean (ko)
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KR20130098358A (ko
Inventor
밍 리
케리 덴버
필립 이. 모스코바츠
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오스람 실바니아 인코포레이티드
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Priority claimed from US12/874,201 external-priority patent/US8258709B2/en
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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
    • 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]
    • H05B45/40—Details of LED load circuits
    • H05B45/44—Details of LED load circuits with an active control inside an LED matrix
    • H05B45/46—Details of LED load circuits with an active control inside an LED matrix having LEDs disposed in parallel lines

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  • Circuit Arrangement For Electric Light Sources In General (AREA)
  • Led Devices (AREA)
KR1020137008370A 2010-09-01 2011-09-01 변조 주파수 검출 기술들을 이용한 ｌｅｄ 제어 Expired - Fee Related KR101629891B1 (ko)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US12/874,201 US8258709B2 (en) 2010-09-01 2010-09-01 LED control using modulation frequency detection techniques
US12/874,201 2010-09-01
US13/077,669 2011-03-31
US13/077,669 US8390205B2 (en) 2010-09-01 2011-03-31 LED control using modulation frequency detection techniques
PCT/US2011/050192 WO2012031110A1 (en) 2010-09-01 2011-09-01 Led control using modulation frequency detection techniques

Publications (2)

Publication Number Publication Date
KR20130098358A KR20130098358A (ko) 2013-09-04
KR101629891B1 true KR101629891B1 (ko) 2016-06-13

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KR1020137008370A Expired - Fee Related KR101629891B1 (ko) 2010-09-01 2011-09-01 변조 주파수 검출 기술들을 이용한 ｌｅｄ 제어

Country Status (7)

Country Link
US (1) US8390205B2 (enExample)
EP (1) EP2612541B1 (enExample)
JP (1) JP5784731B2 (enExample)
KR (1) KR101629891B1 (enExample)
CN (1) CN103098546B (enExample)
CA (1) CA2805945C (enExample)
WO (1) WO2012031110A1 (enExample)

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US8971715B2 (en) * 2013-03-15 2015-03-03 Jingxi Zhang Apparatus and methods of displaying messages for electronic devices
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KR101757263B1 (ko) * 2015-07-08 2017-07-12 현대자동차주식회사 근거리 물체 감지 장치 및 방법과 이를 이용한 차량
US20190141820A1 (en) * 2016-02-19 2019-05-09 Philips Lighting Holding B.V. Intermittent Lighting system
WO2018035841A1 (en) * 2016-08-26 2018-03-01 Xiaofeng Li Imitation candle and flame simulation assembly with multi-color illumination
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US10609786B2 (en) 2017-08-24 2020-03-31 Industrial Technology Research Institute Illumination system and control method thereof
TWI647976B (zh) * 2017-08-24 2019-01-11 財團法人工業技術研究院 照明控制系統及照明控制方法
CN207720473U (zh) * 2017-12-15 2018-08-10 漳州立达信灯具有限公司 多档色温切换led电路
WO2020082178A1 (en) 2018-10-26 2020-04-30 Lumastream Canada Ulc Inrush current limited ac/dc power converter apparatus and method
US11032886B2 (en) * 2019-07-31 2021-06-08 Novatek Microelectronics Corp. Light emitting diode driver and driving method thereof
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WO2023081154A1 (en) * 2021-11-02 2023-05-11 Lumileds Llc Adaptive flash with pulse width modulation
CN114501726A (zh) * 2021-12-31 2022-05-13 上海矽力杰微电子技术有限公司 多通道led系统、驱动电路及驱动方法
CN114530117B (zh) * 2021-12-31 2023-09-08 上海矽力杰微电子技术有限公司 多通道led系统、驱动电路及驱动方法
US20250124884A1 (en) * 2023-10-17 2025-04-17 Synaptics Incorporated Demura tuning for 2d backlight systems

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Also Published As

Publication number Publication date
US8390205B2 (en) 2013-03-05
CN103098546A (zh) 2013-05-08
WO2012031110A1 (en) 2012-03-08
JP5784731B2 (ja) 2015-09-24
CA2805945A1 (en) 2012-03-08
KR20130098358A (ko) 2013-09-04
CA2805945C (en) 2016-06-21
JP2013539183A (ja) 2013-10-17
CN103098546B (zh) 2016-08-17
EP2612541B1 (en) 2018-01-17
EP2612541A1 (en) 2013-07-10
US20120049745A1 (en) 2012-03-01

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