CN113711694B - 用于rgb颜色调整的混合驱动方案 - Google Patents

用于rgb颜色调整的混合驱动方案 Download PDF

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Publication number
CN113711694B
CN113711694B CN202080024081.2A CN202080024081A CN113711694B CN 113711694 B CN113711694 B CN 113711694B CN 202080024081 A CN202080024081 A CN 202080024081A CN 113711694 B CN113711694 B CN 113711694B
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China
Prior art keywords
led
color
current
array
led array
Prior art date
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CN202080024081.2A
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English (en)
Chinese (zh)
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CN113711694A (zh
Inventor
邱怡峰
J·格兰特
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.)
Koninklijke Philips NV
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Koninklijke Philips NV
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Priority claimed from US16/258,193 external-priority patent/US10517156B1/en
Application filed by Koninklijke Philips NV filed Critical Koninklijke Philips NV
Publication of CN113711694A publication Critical patent/CN113711694A/zh
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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

Landscapes

  • Led Devices (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
CN202080024081.2A 2019-01-25 2020-01-23 用于rgb颜色调整的混合驱动方案 Active CN113711694B (zh)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
US16/258193 2019-01-25
US16/258,193 US10517156B1 (en) 2019-01-25 2019-01-25 Hybrid driving scheme for RGB color tuning
EP19165527.3 2019-03-27
EP19165527 2019-03-27
US16/543,230 US11140758B2 (en) 2019-01-25 2019-08-16 Hybrid driving scheme for RGB color tuning
US16/543230 2019-08-16
PCT/US2020/014857 WO2020154547A1 (en) 2019-01-25 2020-01-23 Hybrid driving scheme for rgb color tuning

Publications (2)

Publication Number Publication Date
CN113711694A CN113711694A (zh) 2021-11-26
CN113711694B true CN113711694B (zh) 2023-08-18

Family

ID=71736988

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202080024081.2A Active CN113711694B (zh) 2019-01-25 2020-01-23 用于rgb颜色调整的混合驱动方案

Country Status (6)

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

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
US6016038A (en) * 1997-08-26 2000-01-18 Color Kinetics, Inc. Multicolored LED lighting method and apparatus
US6528954B1 (en) * 1997-08-26 2003-03-04 Color Kinetics Incorporated Smart light bulb
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
EP2033278B1 (en) * 2006-05-31 2019-04-10 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
EP3597008B1 (en) * 2017-03-14 2021-12-29 Lumileds LLC Led lighting circuit

Also Published As

Publication number Publication date
TW202036532A (zh) 2020-10-01
KR20210112391A (ko) 2021-09-14
CN113711694A (zh) 2021-11-26
JP2022510040A (ja) 2022-01-25
WO2020154547A1 (en) 2020-07-30
KR102434290B1 (ko) 2022-08-22
JP7089123B2 (ja) 2022-06-21
EP3915335A1 (en) 2021-12-01

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