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 PDFInfo
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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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Images
Classifications
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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
Landscapes
- Circuit Arrangement For Electric Light Sources In General (AREA)
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)
| Publication Number | Publication Date |
|---|---|
| JP2020526876A JP2020526876A (ja) | 2020-08-31 |
| JP2020526876A5 JP2020526876A5 (ko) | 2020-12-17 |
| JP6903174B2 true JP6903174B2 (ja) | 2021-07-14 |
Family
ID=62846259
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| 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 (2)
| 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 |
| WO2024113160A1 (en) * | 2022-11-29 | 2024-06-06 | Bridgelux, Inc. | Color-temperature-tunable lighting devices |
Family Cites Families (9)
| 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 |
| US9723680B2 (en) * | 2014-05-30 | 2017-08-01 | Cree, Inc. | Digitally controlled driver for lighting fixture |
| CN205610985U (zh) * | 2016-04-06 | 2016-09-28 | 普诚科技股份有限公司 | 电流控制电路 |
-
2018
- 2018-06-29 KR KR1020207002900A patent/KR102216534B1/ko active IP Right Grant
- 2018-06-29 WO PCT/US2018/040217 patent/WO2019010074A1/en unknown
- 2018-06-29 EP EP18738426.8A patent/EP3649833B1/en active Active
- 2018-06-29 JP JP2019572392A patent/JP6903174B2/ja active Active
- 2018-06-29 CN CN201880056890.4A patent/CN110999539B/zh active Active
- 2018-07-02 TW TW107122848A patent/TWI756446B/zh active
Also Published As
| Publication number | Publication date |
|---|---|
| EP3649833A1 (en) | 2020-05-13 |
| WO2019010074A1 (en) | 2019-01-10 |
| CN110999539B (zh) | 2021-04-06 |
| TW201918119A (zh) | 2019-05-01 |
| TWI756446B (zh) | 2022-03-01 |
| EP3649833B1 (en) | 2021-08-11 |
| KR20200016394A (ko) | 2020-02-14 |
| JP2020526876A (ja) | 2020-08-31 |
| CN110999539A (zh) | 2020-04-10 |
| KR102216534B1 (ko) | 2021-02-16 |
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