KR102434290B1 - Rgb 컬러 튜닝을 위한 하이브리드 구동 방식 - Google Patents

Rgb 컬러 튜닝을 위한 하이브리드 구동 방식 Download PDF

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Publication number
KR102434290B1
KR102434290B1 KR1020217027144A KR20217027144A KR102434290B1 KR 102434290 B1 KR102434290 B1 KR 102434290B1 KR 1020217027144 A KR1020217027144 A KR 1020217027144A KR 20217027144 A KR20217027144 A KR 20217027144A KR 102434290 B1 KR102434290 B1 KR 102434290B1
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KR
South Korea
Prior art keywords
current
color
led
array
colors
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KR1020217027144A
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English (en)
Korean (ko)
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KR20210112391A (ko
Inventor
이펑 쿠이
존 그랜트
Original Assignee
루미리즈 홀딩 비.브이.
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Priority claimed from US16/258,193 external-priority patent/US10517156B1/en
Application filed by 루미리즈 홀딩 비.브이. filed Critical 루미리즈 홀딩 비.브이.
Publication of KR20210112391A publication Critical patent/KR20210112391A/ko
Application granted granted Critical
Publication of KR102434290B1 publication Critical patent/KR102434290B1/ko

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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
    • 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]
    • H05B45/30—Driver circuits
    • H05B45/32—Pulse-control circuits
    • H05B45/325—Pulse-width modulation [PWM]
    • 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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  • Led Devices (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
KR1020217027144A 2019-01-25 2020-01-23 Rgb 컬러 튜닝을 위한 하이브리드 구동 방식 KR102434290B1 (ko)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
US16/258,193 2019-01-25
US16/258,193 US10517156B1 (en) 2019-01-25 2019-01-25 Hybrid driving scheme for RGB color tuning
EP19165527 2019-03-27
EP19165527.3 2019-03-27
US16/543,230 2019-08-16
US16/543,230 US11140758B2 (en) 2019-01-25 2019-08-16 Hybrid driving scheme for RGB color tuning
PCT/US2020/014857 WO2020154547A1 (en) 2019-01-25 2020-01-23 Hybrid driving scheme for rgb color tuning

Publications (2)

Publication Number Publication Date
KR20210112391A KR20210112391A (ko) 2021-09-14
KR102434290B1 true KR102434290B1 (ko) 2022-08-22

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Application Number Title Priority Date Filing Date
KR1020217027144A KR102434290B1 (ko) 2019-01-25 2020-01-23 Rgb 컬러 튜닝을 위한 하이브리드 구동 방식

Country Status (6)

Country Link
EP (1) EP3915335A1 (zh)
JP (1) JP7089123B2 (zh)
KR (1) KR102434290B1 (zh)
CN (1) CN113711694B (zh)
TW (1) TW202036532A (zh)
WO (1) WO2020154547A1 (zh)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10652962B1 (en) 2019-06-27 2020-05-12 Lumileds Llc Dim-to-warm LED circuit
JP2024017813A (ja) * 2022-07-28 2024-02-08 キヤノン株式会社 駆動装置および記録装置

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6528954B1 (en) * 1997-08-26 2003-03-04 Color Kinetics Incorporated Smart light bulb
US6016038A (en) * 1997-08-26 2000-01-18 Color Kinetics, Inc. Multicolored LED lighting method and apparatus
US7375476B2 (en) * 2005-04-08 2008-05-20 S.C. Johnson & Son, Inc. Lighting device having a circuit including a plurality of light emitting diodes, and methods of controlling and calibrating lighting devices
US7847783B2 (en) 2005-10-11 2010-12-07 O2Micro International Limited Controller circuitry for light emitting diodes
US7852010B2 (en) * 2006-05-31 2010-12-14 Cree, Inc. Lighting device and method of lighting
KR20110024102A (ko) * 2009-09-01 2011-03-09 삼성전자주식회사 Ｌｅｄ 구동 장치 및 방법, 이를 이용하는 ｌｅｄ 구동 시스템 및 액정 표시 장치
US10178723B2 (en) 2011-06-03 2019-01-08 Cree, Inc. Systems and methods for controlling solid state lighting devices and lighting apparatus incorporating such systems and/or methods
US8710752B2 (en) 2011-03-03 2014-04-29 Dialog Semiconductor Inc. Adaptive switch mode LED system
JP5678903B2 (ja) 2012-01-31 2015-03-04 豊田合成株式会社 Ｌｅｄ駆動回路
JP6206757B2 (ja) * 2013-08-02 2017-10-04 パナソニックＩｐマネジメント株式会社 照明器具及びそれに用いる点灯装置
US9992828B2 (en) * 2016-05-13 2018-06-05 Phoseon Technology, Inc. Methods and systems for accelerated start-up for a switching regulator
WO2018166856A1 (en) * 2017-03-14 2018-09-20 Lumileds Holding B.V. Led lighting circuit

Also Published As

Publication number Publication date
CN113711694B (zh) 2023-08-18
TW202036532A (zh) 2020-10-01
EP3915335A1 (en) 2021-12-01
WO2020154547A1 (en) 2020-07-30
CN113711694A (zh) 2021-11-26
JP2022510040A (ja) 2022-01-25
JP7089123B2 (ja) 2022-06-21
KR20210112391A (ko) 2021-09-14

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