Illuminating with a multizone mixing cup
View Patent ↗An optical cup which mixes multiple channels of light to form a blended output, the device having discreet zones or channels including a plurality of reflective cavities each having a remote phosphor light converting appliance covering a cluster of LEDs providing a channel of light which is reflected upward. The predetermined blends of phosphors provide a predetermined range of illumination wavelengths in the output.
1. A method of blending multiple light channels to produce a preselected illumination spectrum of substantially white light, the method comprising:
altering the illumination produced by a first LED illumination source by passing the illumination produced by the first LED illumination source through a first photoluminescence material to produce a blue channel preselected spectral output;
altering the illumination produced by the second LED illumination source by passing the illumination produced by a second LED illumination source through a photoluminescence material to produce a red channel preselected spectral output;
altering the illumination produced by the third LED illumination source by passing the illumination produced by a third LED illumination source through a third photoluminescence material to produce a yellow/green channel preselected spectral output;
altering the illumination produced by the fourth LED illumination source by passing the illumination produced by a fourth LED illumination source through a fourth photoluminescence material to produce a cyan channel preselected spectral output;
blending the blue, red, yellow/green, and cyan spectral outputs as the blue, red, yellow/green, and cyan spectral outputs;
wherein the first, second, and third LED illumination sources are blue LEDs and the fourth LED illumination source is cyan LEDs;
wherein the blue LEDs have a substantially 440-475 nm output and the cyan LEDs have a substantially 490-515 nm output; and
wherein the first, second, third, and fourth photoluminescence material each comprise a plurality of photoluminescence materials, the plurality of photoluminescence materials comprising:
one or more of a first type of photoluminescence material that emits light at a peak emission between about 515 nm and 590 nm in response to the associated LED string emission, and
one or more of a second type of photoluminescence material that emits light at a peak emission between about 590 nm and about 700 nm in response to the associated LED string emission;
wherein each of the first, second, third and fourth photoluminescence material exhibit a different ratio of the first type of photoluminescence material to the second type of photoluminescence material.
2. The method of claim 1 wherein:
the one or more of the first type of photoluminescence material comprises at least one photoluminescent material selected from Phosphors “A”, “B”, and “D”;
Phosphor “A” is Cerium doped lutetium aluminum garnet (Lu3Al5O12) with an emission peak range of 530-540 nm;
Phosphor “B” is Cerium doped yttrium aluminum garnet (Y3Al5O12) with an emission peak range of 545-555 nm; and
Phosphor “D” is GBAM: BaMgAl10O17:Eu with an emission peak range of 520-530 nm.
3. The method of claim 1 wherein:
the one or more of the second type of photoluminescence material comprises at least one photoluminescent material selected from Phosphors “C”, “E”, and “F”;
Phosphor “C” is Cerium doped yttrium aluminum garnet (Y3Al5O12) with an emission peak range of 645-655 nm;
Phosphor “E” is any semiconductor quantum dot material of appropriate size for an emission peak range of 625-635 nm; and
Phosphor “F” is any semiconductor quantum dot material of appropriate size for an emission peak range of 605-615 nm.
4. The method of claim 2 wherein:
the one or more of the second type of photoluminescence material comprises at least one photoluminescent material selected from Phosphors “C”, “E”, and “F”;
Phosphor “C” is Cerium doped yttrium aluminum garnet (Y3Al5O12) with an emission peak range of 645-655 nm;
Phosphor “E” is any semiconductor quantum dot material of appropriate size for an emission peak range of 625-635 nm; and
Phosphor “F” is any semiconductor quantum dot material of appropriate size for an emission peak range of 605-615 nm.
5. The method of claim 1 wherein the spectral output of the blue channel is substantially 32.8% for wavelengths between 380-420 nm, 100% for wavelengths between 421-460 nm, 66.5% for wavelengths between 461-500 nm, 25.7% for wavelengths between 501-540 nm, 36.6% for wavelengths between 541-580 nm, 39.7% for wavelengths between 581-620 nm, 36.1% for wavelengths between 621-660 nm, 15.5% for wavelengths between 661-700 nm, 5.9% for wavelengths between 701-740 nm and 2.1% for wavelengths between 741-780 nm.
6. The method of claim 1 wherein the spectral output of the red channel is substantially 3.9% for wavelengths between 380-420 nm, 6.9% for wavelengths between 421-460 nm, 3.2% for wavelengths between 461-500 nm, 7.9% for wavelengths between 501-540 nm, 14% for wavelengths between 541-580 nm, 55% for wavelengths between 581-620 nm, 100% for wavelengths between 621-660 nm, 61.8% for wavelengths between 661-700 nm, 25.1% for wavelengths between 701-740 nm and 7.7% for wavelengths between 741-780 nm.
7. The method of claim 1 wherein the spectral output of the yellow/green channel is substantially 1% for wavelengths between 380-420 nm, 1.9% for wavelengths between 421-460 nm, 5.9% for wavelengths between 461-500 nm, 67.8% for wavelengths between 501-540 nm, 100% for wavelengths between 541-580 nm, 95% for wavelengths between 581-620 nm, 85.2% for wavelengths between 621-660 nm, 48.1% for wavelengths between 661-700 nm, 18.3% for wavelengths between 701-740 nm and 5.6% for wavelengths between 741-780 nm.
8. The method of claim 1 wherein the spectral output of the cyan channel is substantially 0.2% for wavelengths between 380-420 nm, 0.8% for wavelengths between 421-460 nm, 49.2% for wavelengths between 461-500 nm, 100% for wavelengths between 501-540 nm, 58.4% for wavelengths between 541-580 nm, 41.6% for wavelengths between 581-620 nm, 28.1% for wavelengths between 621-660 nm, 13.7% for wavelengths between 661-700 nm, 4.5% for wavelengths between 701-740 nm and 1.1% for wavelengths between 741-780 nm.
9. The method of claim 1 wherein the spectral output of the channels are substantially:
32.8% for wavelengths between 380-420 nm, 100% for wavelengths between 421-460 nm, 66.5% for wavelengths between 461-500 nm, 25.7% for wavelengths between 501-540 nm, 36.6% for wavelengths between 541-580 nm, 39.7% for wavelengths between 581-620 nm, 36.1% for wavelengths between 621-660 nm, 15.5% for wavelengths between 661-700 nm, 5.9% for wavelengths between 701-740 nm and 2.1% for wavelengths between 741-780 nm for the blue channel;
3.9% for wavelengths between 380-420 nm, 6.9% for wavelengths between 421-460 nm, 3.2% for wavelengths between 461-500 nm, 7.9% for wavelengths between 501-540 nm, 14% for wavelengths between 541-580 nm, 55% for wavelengths between 581-620 nm, 100% for wavelengths between 621-660 nm, 61.8% for wavelengths between 661-700 nm, 25.1% for wavelengths between 701-740 nm and 7.7% for wavelengths between 741-780 nm for the red channel;
1% for wavelengths between 380-420 nm, 1.9% for wavelengths between 421-460 nm, 5.9% for wavelengths between 461-500 nm, 67.8% for wavelengths between 501-540 nm, 100% for wavelengths between 541-580 nm, 95% for wavelengths between 581-620 nm, 85.2% for wavelengths between 621-660 nm, 48.1% for wavelengths between 661-700 nm, 18.3% for wavelengths between 701-740 nm and 5.6% for wavelengths between 741-780 nm for the yellow/green channel; and,
0.2% for wavelengths between 380-420 nm, 0.8% for wavelengths between 421-460 nm, 49.2% for wavelengths between 461-500 nm, 100% for wavelengths between 501-540 nm, 58.4% for wavelengths between 541-580 nm, 41.6% for wavelengths between 581-620 nm, 28.1% for wavelengths between 621-660 nm, 13.7% for wavelengths between 661-700 nm, 4.5% for wavelengths between 701-740 nm and 1.1% for wavelengths between 741-780 nm for the cyan channel.
10. The method of claim 1 , further comprising providing a common housing with an open top and openings at the bottom, each bottom opening placed over an LED illumination source; and
placing a domed lumo converting appliance (DLCA) over each bottom opening and over each LED illumination source.
11. A method of blending multiple light channels to produce a preselected illumination spectrum of substantially white light, the method comprising:
altering the illumination produced by the first LED illumination source by passing the illumination produced by a first LED illumination source through a first photoluminescence material to produce a blue channel preselected spectral output;
altering the illumination produced by the second LED illumination source by passing the illumination produced by a second LED illumination source through a second photoluminescence material to produce a red channel preselected spectral output;
altering the illumination produced by the third LED illumination source by passing the illumination produced by a third LED illumination source through a third photoluminescence material to produce a yellow/green channel preselected spectral output;
altering the illumination produced by the fourth LED illumination source by passing the illumination produced by a fourth LED illumination source through a fourth photoluminescence material to produce a cyan channel preselected spectral output;
blending the blue, red, yellow/green and cyan spectral outputs as the blue, red, yellow/green and cyan spectral outputs;
wherein the first, second, and third LED illumination sources are blue LEDs and the fourth LED illumination source is cyan LEDs;
wherein the blue LEDs have a substantially 440-475 nm output and the cyan LEDs have a substantially 490-515 nm output; and
wherein the first, second, third, and fourth photoluminescence material each comprise a plurality of photoluminescence materials, the plurality of photoluminescence materials comprising:
one or more of a first type of photoluminescence material that emits light at a peak emission between about 515 nm and 590 nm in response to the associated LED string emission, and
one or more of a second type of photoluminescence material that emits light at a peak emission between about 590 nm and about 700 nm in response to the associated LED string emission;
wherein each of the first, second, third and fourth photoluminescence material exhibit a different ratio of the first type of photoluminescence material to the second type of photoluminescence material.
12. The method of claim 11 , wherein:
the one or more of the first type of photoluminescence material comprises at least one photoluminescent material selected from Phosphors “A”, “B”, and “D”;
Phosphor “A” is Cerium doped lutetium aluminum garnet (Lu3Al5O12) with an emission peak range of 530-540 nm;
Phosphor “B” is Cerium doped yttrium aluminum garnet (Y3Al5O12) with an emission peak range of 545-555 nm; and
Phosphor “D” is GBAM: BaMgAl10O17:Eu with an emission peak range of 520-530 nm.
13. The method of claim 12 , wherein:
the one or more of the second type of photoluminescence material comprises at least one photoluminescent material selected from Phosphors “C”, “E”, and “F”;
Phosphor “C” is Cerium doped yttrium aluminum garnet (Y3Al5O12) with an emission peak range of 645-655 nm;
Phosphor “E” is any semiconductor quantum dot material of appropriate size for an emission peak range of 625-635 nm; and
Phosphor “F” is any semiconductor quantum dot material of appropriate size for an emission peak range of 605-615 nm.
14. The method of claim 11 , wherein:
the one or more of the second type of photoluminescence material comprises at least one photoluminescent material selected from Phosphors “C”, “E”, and “F”;
Phosphor “C” is Cerium doped yttrium aluminum garnet (Y3Al5O12) with an emission peak range of 645-655 nm;
Phosphor “E” is any semiconductor quantum dot material of appropriate size for an emission peak range of 625-635 nm; and
Phosphor “F” is any semiconductor quantum dot material of appropriate size for an emission peak range of 605-615 nm.
15. The method of claim 11 , wherein the spectral output of the blue channel is substantially 32.8% for wavelengths between 380-420 nm, 100% for wavelengths between 421-460 nm, 66.5% for wavelengths between 461-500 nm, 25.7% for wavelengths between 501-540 nm, 36.6% for wavelengths between 541-580 nm, 39.7% for wavelengths between 581-620 nm, 36.1% for wavelengths between 621-660 nm, 15.5% for wavelengths between 661-700 nm, 5.9% for wavelengths between 701-740 nm and 2.1% for wavelengths between 741-780 nm.
16. The method of claim 11 , wherein the spectral output of the red channel is substantially 3.9% for wavelengths between 380-420 nm, 6.9% for wavelengths between 421-460 nm, 3.2% for wavelengths between 461-500 nm, 7.9% for wavelengths between 501-540 nm, 14% for wavelengths between 541-580 nm, 55% for wavelengths between 581-620 nm, 100% for wavelengths between 621-660 nm, 61.8% for wavelengths between 661-700 nm, 25.1% for wavelengths between 701-740 nm and 7.7% for wavelengths between 741-780 nm.
17. The method of claim 11 , wherein the spectral output of the yellow/green channel is substantially 1% for wavelengths between 380-420 nm, 1.9% for wavelengths between 421-460 nm, 5.9% for wavelengths between 461-500 nm, 67.8% for wavelengths between 501-540 nm, 100% for wavelengths between 541-580 nm, 95% for wavelengths between 581-620 nm, 85.2% for wavelengths between 621-660 nm, 48.1% for wavelengths between 661-700 nm, 18.3% for wavelengths between 701-740 nm and 5.6% for wavelengths between 741-780 nm.
18. The method of claim 11 , wherein the spectral output of the cyan channel is substantially 0.2% for wavelengths between 380-420 nm, 0.8% for wavelengths between 421-460 nm, 49.2% for wavelengths between 461-500 nm, 100% for wavelengths between 501-540 nm, 58.4% for wavelengths between 541-580 nm, 41.6% for wavelengths between 581-620 nm, 28.1% for wavelengths between 621-660 nm, 13.7% for wavelengths between 661-700 nm, 4.5% for wavelengths between 701-740 nm and 1.1% for wavelengths between 741-780 nm.
19. The method of claim 11 , wherein the spectral output of the channels are substantially:
32.8% for wavelengths between 380-420 nm, 100% for wavelengths between 421-460 nm, 66.5% for wavelengths between 461-500 nm, 25.7% for wavelengths between 501-540 nm, 36.6% for wavelengths between 541-580 nm, 39.7% for wavelengths between 581-620 nm, 36.1% for wavelengths between 621-660 nm, 15.5% for wavelengths between 661-700 nm, 5.9% for wavelengths between 701-740 nm and 2.1% for wavelengths between 741-780 nm for the blue channel;
3.9% for wavelengths between 380-420 nm, 6.9% for wavelengths between 421-460 nm, 3.2% for wavelengths between 461-500 nm, 7.9% for wavelengths between 501-540 nm, 14% for wavelengths between 541-580 nm, 55% for wavelengths between 581-620 nm, 100% for wavelengths between 621-660 nm, 61.8% for wavelengths between 661-700 nm, 25.1% for wavelengths between 701-740 nm and 7.7% for wavelengths between 741-780 nm for the red channel;
1% for wavelengths between 380-420 nm, 1.9% for wavelengths between 421-460 nm, 5.9% for wavelengths between 461-500 nm, 67.8% for wavelengths between 501-540 nm, 100% for wavelengths between 541-580 nm, 95% for wavelengths between 581-620 nm, 85.2% for wavelengths between 621-660 nm, 48.1% for wavelengths between 661-700 nm, 18.3% for wavelengths between 701-740 nm and 5.6% for wavelengths between 741-780 nm for the yellow/green channel; and,
0.2% for wavelengths between 380-420 nm, 0.8% for wavelengths between 421-460 nm, 49.2% for wavelengths between 461-500 nm, 100% for wavelengths between 501-540 nm, 58.4% for wavelengths between 541-580 nm, 41.6% for wavelengths between 581-620 nm, 28.1% for wavelengths between 621-660 nm, 13.7% for wavelengths between 661-700 nm, 4.5% for wavelengths between 701-740 nm and 1.1% for wavelengths between 741-780 nm for the cyan channel.
20. The method of claim 11 , further comprising providing a common housing with an open top and openings at the bottom, each bottom opening placed over an LED illumination source; and
placing a domed lumo converting appliance (DLCA) over each bottom opening and over each LED illumination source.