TWI756446B - 介面電流通道電路，發光二極體照明系統及發光二極體裝置 - Google Patents

介面電流通道電路，發光二極體照明系統及發光二極體裝置 Download PDF

Info

Publication number
TWI756446B
TWI756446B TW107122848A TW107122848A TWI756446B TW I756446 B TWI756446 B TW I756446B TW 107122848 A TW107122848 A TW 107122848A TW 107122848 A TW107122848 A TW 107122848A TW I756446 B TWI756446 B TW I756446B
Authority
TW
Taiwan
Prior art keywords
current
level
voltage
input voltage
circuit
Prior art date
Application number
TW107122848A
Other languages
English (en)
Chinese (zh)
Other versions
TW201918119A (zh
Inventor
怡峰 邱
佛瑞德瑞克 Ｓ 戴安娜
Original Assignee
美商亮銳公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US15/640,549 external-priority patent/US10716183B2/en
Application filed by 美商亮銳公司 filed Critical 美商亮銳公司
Publication of TW201918119A publication Critical patent/TW201918119A/zh
Application granted granted Critical
Publication of TWI756446B publication Critical patent/TWI756446B/zh

Links

Images

Classifications

    • 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

Landscapes

  • Circuit Arrangement For Electric Light Sources In General (AREA)
TW107122848A 2017-07-02 2018-07-02 介面電流通道電路，發光二極體照明系統及發光二極體裝置 TWI756446B (zh)

Applications Claiming Priority (4)

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
EP17183711.5 2017-07-28
EP17183711 2017-07-28

Publications (2)

Publication Number Publication Date
TW201918119A TW201918119A (zh) 2019-05-01
TWI756446B true TWI756446B (zh) 2022-03-01

Family

ID=62846259

Family Applications (1)

Application Number Title Priority Date Filing Date
TW107122848A TWI756446B (zh) 2017-07-02 2018-07-02 介面電流通道電路，發光二極體照明系統及發光二極體裝置

Country Status (6)

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

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7106023B2 (ja) * 2019-06-27 2022-07-25 ルミレッズ リミテッド ライアビリティ カンパニー 暖色化減光ｌｅｄ回路
WO2024113160A1 (en) * 2022-11-29 2024-06-06 Bridgelux, Inc. Color-temperature-tunable lighting devices

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW201328412A (zh) * 2011-09-30 2013-07-01 Advanced Analogic Tech Inc 具有整體調光能力之低成本發光二極體驅動器
US20150312983A1 (en) * 2014-04-25 2015-10-29 Cree, Inc. High efficiency driver circuit with fast response
US20150351187A1 (en) * 2014-05-30 2015-12-03 Cree, Inc. Lighting fixture providing variable cct

Family Cites Families (6)

* 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
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
CN205610985U (zh) * 2016-04-06 2016-09-28 普诚科技股份有限公司 电流控制电路

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW201328412A (zh) * 2011-09-30 2013-07-01 Advanced Analogic Tech Inc 具有整體調光能力之低成本發光二極體驅動器
US20150312983A1 (en) * 2014-04-25 2015-10-29 Cree, Inc. High efficiency driver circuit with fast response
US20150351187A1 (en) * 2014-05-30 2015-12-03 Cree, Inc. Lighting fixture providing variable cct

Also Published As

Publication number Publication date
KR20200016394A (ko) 2020-02-14
KR102216534B1 (ko) 2021-02-16
JP2020526876A (ja) 2020-08-31
CN110999539B (zh) 2021-04-06
EP3649833B1 (en) 2021-08-11
WO2019010074A1 (en) 2019-01-10
TW201918119A (zh) 2019-05-01
JP6903174B2 (ja) 2021-07-14
CN110999539A (zh) 2020-04-10
EP3649833A1 (en) 2020-05-13

Similar Documents

Publication Publication Date Title
US11700679B2 (en) Method for wide-range CCT tuning that follows the black body line using two independently controlled current channels and three CCTs
US11172558B2 (en) Dim-to-warm LED circuit
US8319455B2 (en) Colorizer and method of operating the same
US10588194B1 (en) Arbitrary-ratio analog current division circuit
US20190191515A1 (en) Illumination system including tunable light engine
TWI756446B (zh) 介面電流通道電路，發光二極體照明系統及發光二極體裝置
US20220369435A1 (en) Wireless color tuning for constant-current driver
CN113711694B (zh) 用于rgb颜色调整的混合驱动方案
US9723678B2 (en) Methods of controlling RGBW lamps, RGBW lamps and controller therefor
US11683870B2 (en) Unversal dimming emulator for LED driver
TW202027557A (zh) 任意比率類比電流分配電路及電流分配方法
US10178733B2 (en) Light emitting assembly and method for operating a light emitting assembly
CN114271028B (zh) 调暗变暖led电路
US20190364635A1 (en) Light-emitting module and control module
JP2024030939A (ja) 発光装置
JP2012164925A (ja) Ｌｅｄ装置