JP6903174B2 - ２つの独立に制御される電流チャネルおよび３つのｃｃｔを用いる黒体線に沿った広範囲のｃｃｔ調整のための方法 - Google Patents

２つの独立に制御される電流チャネルおよび３つのｃｃｔを用いる黒体線に沿った広範囲のｃｃｔ調整のための方法 Download PDF

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JP6903174B2
JP6903174B2 JP2019572392A JP2019572392A JP6903174B2 JP 6903174 B2 JP6903174 B2 JP 6903174B2 JP 2019572392 A JP2019572392 A JP 2019572392A JP 2019572392 A JP2019572392 A JP 2019572392A JP 6903174 B2 JP6903174 B2 JP 6903174B2
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current
level
input
circuit
voltage
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JP2020526876A5 (ko
JP2020526876A (ja
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チュー，イーフェン
エス． ダイアナ，フレデリック
エス． ダイアナ，フレデリック
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ルミレッズ リミテッド ライアビリティ カンパニー
ルミレッズ リミテッド ライアビリティ カンパニー
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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)
JP2019572392A 2017-07-02 2018-06-29 ２つの独立に制御される電流チャネルおよび３つのｃｃｔを用いる黒体線に沿った広範囲のｃｃｔ調整のための方法 Active JP6903174B2 (ja)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
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
US15/640,549 2017-07-02
EP17183711 2017-07-28
EP17183711.5 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 (3)

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JP2020526876A JP2020526876A (ja) 2020-08-31
JP2020526876A5 JP2020526876A5 (ko) 2020-12-17
JP6903174B2 true JP6903174B2 (ja) 2021-07-14

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JP2019572392A Active JP6903174B2 (ja) 2017-07-02 2018-06-29 ２つの独立に制御される電流チャネルおよび３つのｃｃｔを用いる黒体線に沿った広範囲のｃｃｔ調整のための方法

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 (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114271028B (zh) * 2019-06-27 2023-04-11 亮锐有限责任公司 调暗变暖led电路

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8796952B2 (en) * 2011-03-03 2014-08-05 Cree, Inc. Semiconductor light emitting devices having selectable and/or adjustable color points and related methods
US9232587B2 (en) * 2011-09-30 2016-01-05 Advanced Analogic Technologies, Inc. Low cost LED driver with integral dimming capability
DE102012207185A1 (de) 2012-04-30 2013-10-31 Zumtobel Lighting Gmbh Anordnung zur Erzeugung von weißem Licht mit einstellbarer Farbtemperatur
EP2741582B1 (en) * 2012-12-04 2017-08-09 LEDVANCE GmbH A converter circuit
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
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
TW201918119A (zh) 2019-05-01
KR102216534B1 (ko) 2021-02-16
CN110999539A (zh) 2020-04-10
KR20200016394A (ko) 2020-02-14
JP2020526876A (ja) 2020-08-31
TWI756446B (zh) 2022-03-01
WO2019010074A1 (en) 2019-01-10
EP3649833A1 (en) 2020-05-13
EP3649833B1 (en) 2021-08-11
CN110999539B (zh) 2021-04-06

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