CN110999539B - 使用两个独立控制的电流通道和三个cct跟踪黑体线的宽范围cct调整方法 - Google Patents

使用两个独立控制的电流通道和三个cct跟踪黑体线的宽范围cct调整方法 Download PDF

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Publication number
CN110999539B
CN110999539B CN201880056890.4A CN201880056890A CN110999539B CN 110999539 B CN110999539 B CN 110999539B CN 201880056890 A CN201880056890 A CN 201880056890A CN 110999539 B CN110999539 B CN 110999539B
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China
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current
level
input
voltage
circuit
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Chinese (zh)
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CN110999539A (zh
Inventor
邱怡峰
F.S.黛安娜
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Bright Sharp LLC
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Bright Sharp LLC
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Priority claimed from US15/640,549 external-priority patent/US10716183B2/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
    • 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)
CN201880056890.4A 2017-07-02 2018-06-29 使用两个独立控制的电流通道和三个cct跟踪黑体线的宽范围cct调整方法 Active CN110999539B (zh)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US15/640,549 2017-07-02
US15/640,549 US10716183B2 (en) 2017-07-02 2017-07-02 Method for wide-range CCT tuning that follows the black body line using two independently controlled current channels and three CCTs
EP17183711.5 2017-07-28
EP17183711 2017-07-28
PCT/US2018/040217 WO2019010074A1 (en) 2017-07-02 2018-06-29 WIDEBAND CORRELATED COLOR TEMPERATURE ADJUSTMENT METHOD THAT FOLLOWS THE BLACK BODY LINE USING TWO CURRENT CHANNELS INDEPENDENTLY CONTROLLED AND THREE CORRELATED COLOR TEMPERATURES

Publications (2)

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CN110999539A CN110999539A (zh) 2020-04-10
CN110999539B true CN110999539B (zh) 2021-04-06

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CN201880056890.4A Active CN110999539B (zh) 2017-07-02 2018-06-29 使用两个独立控制的电流通道和三个cct跟踪黑体线的宽范围cct调整方法

Country Status (6)

Country Link
EP (1) EP3649833B1 (ko)
JP (1) JP6903174B2 (ko)
KR (1) KR102216534B1 (ko)
CN (1) CN110999539B (ko)
TW (1) TWI756446B (ko)
WO (1) WO2019010074A1 (ko)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3991521A1 (en) * 2019-06-27 2022-05-04 Lumileds LLC Dim-to-warm led circuit
WO2024113160A1 (en) * 2022-11-29 2024-06-06 Bridgelux, Inc. Color-temperature-tunable lighting devices

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013164250A1 (de) * 2012-04-30 2013-11-07 Zumtobel Lighting Gmbh Anordnung zur erzeugung von weissem licht mit einstellbarer farbtemperatur, mittels drei weisslicht-leds
CN103828487A (zh) * 2011-03-03 2014-05-28 克里公司 具有可选择和/或可调节色点的半导体发光器件以及相关方法
CN103856050A (zh) * 2012-12-04 2014-06-11 欧司朗股份有限公司 转换器电路
CN205610985U (zh) * 2016-04-06 2016-09-28 普诚科技股份有限公司 电流控制电路

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9232587B2 (en) * 2011-09-30 2016-01-05 Advanced Analogic Technologies, Inc. Low cost LED driver with integral dimming capability
US9133990B2 (en) * 2013-01-31 2015-09-15 Dicon Fiberoptics Inc. LED illuminator apparatus, using multiple luminescent materials dispensed onto an array of LEDs, for improved color rendering, color mixing, and color temperature control
US9320097B2 (en) * 2013-05-10 2016-04-19 Marvell World Trade Ltd. Multi-string dimmable LED driver
US9618162B2 (en) * 2014-04-25 2017-04-11 Cree, Inc. LED lamp
US10278250B2 (en) * 2014-05-30 2019-04-30 Cree, Inc. Lighting fixture providing variable CCT

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103828487A (zh) * 2011-03-03 2014-05-28 克里公司 具有可选择和/或可调节色点的半导体发光器件以及相关方法
WO2013164250A1 (de) * 2012-04-30 2013-11-07 Zumtobel Lighting Gmbh Anordnung zur erzeugung von weissem licht mit einstellbarer farbtemperatur, mittels drei weisslicht-leds
CN103856050A (zh) * 2012-12-04 2014-06-11 欧司朗股份有限公司 转换器电路
CN205610985U (zh) * 2016-04-06 2016-09-28 普诚科技股份有限公司 电流控制电路

Also Published As

Publication number Publication date
TWI756446B (zh) 2022-03-01
CN110999539A (zh) 2020-04-10
JP2020526876A (ja) 2020-08-31
KR20200016394A (ko) 2020-02-14
WO2019010074A1 (en) 2019-01-10
TW201918119A (zh) 2019-05-01
EP3649833A1 (en) 2020-05-13
JP6903174B2 (ja) 2021-07-14
EP3649833B1 (en) 2021-08-11
KR102216534B1 (ko) 2021-02-16

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