Dynamic dim-to-warm with color-tunable fixtures
地域：
NY
NY Port Washington
摘要
Apparatus, methods and systems for lighting may be provided. Apparatus may include a fixture. The fixture may include a first light-emitting diode (“LED”). The first LED may emit light of a first color. The fixture may include a second LED. The second LED may emit light of a second color. The apparatus may include a light driver circuit. The light driver circuit may operate the fixture in a tunable color mode. The light driver circuit may operate the fixture in a dim-to-warm mode. The light driver circuit may switch between the tunable color mode and the dim-to-warm mode. The light driver circuit may switch between the tunable color mode and the dim-to-warm mode in response to a signal corresponding to a user mode-selection.
說(shuō)明書
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This is a non-provisional of U.S. Provisional Application No. 63/477,436, filed on Dec. 28, 2022, which is hereby incorporated by reference in its entirety.
LED lighting is often controlled by dimmers. As lighting power is reduced, an overall correlated color temperature (“CCT”) of the lighting may change. The CCT may be based on a ratio of power distributed to high CCT lighting elements and low CCT lighting elements. Different ratios may provide different overall CCT of the lighting. Different users may have different preferences for the CCTs at different lighting power levels. In particular, different users may have different preferences for the overall CCT at dimmed lighting levels.
It would therefore be desirable to provide apparatus and methods for providing different CCT at dimmed lighting levels.
權(quán)利要求
What is claimed is:1. Apparatus for lighting comprising:a digital user interface configured to receive from a user:a mode selection; a first input and a second input when the mode selection is a tunable color mode; and only the first input when the mode selection is a dim-to-warm mode; and a fixture including:a first light-emitting diode (“LED”) configured to emit light of a first color; a second LED configured to emit light of a second color; a base including contacts configured to receive from a fixture support:DC power; and communication signals; and a microcontroller configured to:cause the first and second LEDs to operate in correspondence with:the tunable color mode; and the dim-to-warm mode; operate in correspondence with the tunable color mode or the dim-to-warm mode in response to a signal that includes an indicator of the mode selection; and receive:a first datum corresponding to the first input and a second datum corresponding to the second input when operating in the tunable color mode; and the first datum when operating in the dim-to-warm mode. 2. The apparatus of claim 1 further comprising:a third LED configured to emit light of a third color; a fourth LED configured to emit light of a fourth color; and a fifth LED configured to emit light of a fifth color. 3. The apparatus of claim 1 wherein the microcontroller in the tunable color mode is configured to provide, via at least the first and second LEDs, a light having a color that:is a combination of at least the first color and the second color; and corresponds to a user color command. 4. The apparatus of claim 3 wherein the combination comprises the first color. 5. The apparatus of claim 3 wherein the microcontroller, in the tunable color mode, is configured to provide the light at an intensity that corresponds to a user intensity command. 6. The apparatus of claim 3 wherein:the user color command is a preset color command; the microcontroller is configured to:store the combination; and cause at least the first and second LEDs to emit the combination in response to the preset color command. 7. The apparatus of claim 3 wherein:the user color command includes a color identifier; and the microcontroller is configured to:translate the color identifier into a color; and derive the combination from the color. 8. The apparatus of claim 1 wherein the microcontroller in the dim-to-warm mode is configured to provide, via at least the first and second LEDs, light having a color that:is a combination of at least the first color and the second color; and corresponds to a brightness of the fixture. 9. The apparatus of claim 8 wherein the microcontroller is configured to store a dim-to-warm correlation. 10. The apparatus of claim 9 wherein:the dim-to-warm correlation is of a plurality of correlations; and the microcontroller is configured to use the dim-to-warm correlation in response to a user command selecting the dim-to-warm correlation from the plurality of correlations. 11. The apparatus of claim 9 wherein the combination corresponds to the dim-to-warm correlation. 12. The apparatus of claim 8 wherein the microcontroller is configured to:receive:a high-intensity CCT partition set-point; and a low-intensity CCT partition set-point; and calculate a dim-to-warm correlation. 13. The apparatus of claim 1 further comprising:a central processing unit (“CPU”) that is configured to:receive the mode selection from the digital user interface; and transmit mode selection to the microcontroller. 14. Apparatus for lighting comprising:a digital user interface configured to receive from a user:a mode selection; a first input and a second input when the mode selection is a tunable color mode; and only the first input when the mode selection is a dim-to-warm mode; and a fixture that:includes:a first light-emitting diode (“LED”) configured to emit light of a first color; and a second LED configured to emit light of a second color; and is configured to be in communication with a microcontroller that is not in the fixture, the microcontroller is configured to:cause the first and second LEDs to operate in correspondence with:the tunable color mode; and the dim-to-warm mode; operate the fixture in correspondence with the tunable color mode or the dim-to-warm mode in response to a signal that includes an indicator of the mode selection; and receive:a first datum corresponding to the first input and a second datum corresponding to the second input when operating in the tunable color mode; and the first datum when operating in the dim-to-warm mode. 15. The apparatus of claim 14 wherein the microcontroller is further configured:to provide to the fixture a voltage corresponding to a brightness level; and, in the tunable color mode, to provide via at least the first and second LEDs light having a color that:is a combination of at least the first color and the second color; and corresponds to a user color command. 16. The apparatus of claim 15 wherein the microcontroller, in the tunable color mode, is configured to provide the light at an intensity that corresponds to a user intensity command. 17. The apparatus of claim 15 wherein:the user color command is a preset color command; the microcontroller is configured to:store the combination; and operate at least the first and second LEDs to emit the combination in response to the preset color command. 18. The apparatus of claim 15 wherein:the user color command includes a color identifier; and the microcontroller is configured to:translate the color identifier into a color; and derive the combination from the color. 19. The apparatus of claim 14 wherein the microcontroller is further configured:to provide to the fixture a voltage corresponding to a brightness level; and, in the dim-to-warm mode, to provide via at least the first and second LEDs light having a color that:is a combination of at least the first color and the second color; and corresponds to a brightness of the fixture. 20. The apparatus of claim 19 wherein the combination corresponds to a black-body curve. 21. The apparatus of claim 19 wherein the microcontroller is configured to store a dim-to-warm correlation. 22. The apparatus of claim 21 wherein:the dim-to-warm correlation is of a plurality of correlations; and the microcontroller is configured to use the dim-to-warm correlation in response to a user command selecting the dim-to-warm correlation from the plurality of correlations. 23. The apparatus of claim 21 wherein the combination corresponds to the dim-to-warm correlation. 24. The apparatus of claim 19 wherein the microcontroller is configured to:receive:a high-intensity CCT partition set-point; and a low-intensity CCT partition set-point; and calculate a dim-to-warm correlation. 25. The apparatus of claim 14 further comprising:a central processing unit (“CPU”) that is configured to:receive the mode selection from the digital user interface; and transmit mode selection to the microcontroller. 26. A light fixture comprising:a microcontroller configured to:receive a signal, from a digital user interface, that includes:an indicator of a mode selection; a first datum; and a second datum; cause an LED light source in the light fixture to emit light corresponding to:the first datum and the second datum signal, when the indicator corresponds to a tunable color mode; and only the first datum and a preselected user parameter, when the indicator corresponds to a dim-to-warm mode; wherein, the digital user interface is configured to receive:a first input including the first datum and a second input including the second datum in the tunable color mode; and only the first input including the first datum in the dim-to-warm mode. 27. The fixture of claim 26 wherein:the first datum corresponds to a dimming level; and the second datum corresponds to a CCT partition. 28. The fixture of claim 26 wherein the preselected user parameter is a low-intensity CCT partition set-point of a dimming correlation. 29. The fixture of claim 28 wherein the preselected user parameter is a high-intensity CCT partition set-point of a dimming correlation. 30. The fixture of claim 29 wherein the preselected user parameter fixes a CCT partition corresponding to a light level between:the low-intensity CCT partition set-point; and the high-intensity CCT partition set-point.
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