Light source module and method for improving uniformity thereof
AssigneeEnnostar Corporation
InventorsSheng-Wei Chou, Jung-Cheng Chang
Life of this patent
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Abstract
A light source module is provided. The light source module includes a substrate for the product, a plurality of first light sources and a plurality of second light sources. The first light sources are disposed on the substrate for the product, wherein the first light sources provide a first light beam, and the first light beam has a first chromaticity. The second light sources are disposed on the substrate for the product, wherein the second light sources provide a second light beam, the second light beam has a second chromaticity, and there is a chromaticity difference (Rx, Ry) between the first chromaticity and the second chromaticity.
Claims12
A light source module comprising:
- a substrate;
- a plurality of first light sources disposed on the substrate, wherein the first light sources provide a first light beam, the first light beam has a first chromaticity (X1, Y1);
- and
- a plurality of second light sources disposed on the substrate, wherein the second light sources provide a second light beam, the second light beam has a second chromaticity (X2, Y2), and there is a chromaticity difference (Rx, Ry) between the first chromaticity (X1, Y1) and the second chromaticity (X2, Y2),
- wherein the Rx of the chromaticity difference (Rx, Ry) is greater than 0 and less than 0.006, and the Ry of the chromaticity difference (Rx, Ry) is greater than 0 and less than 0.006.
A light source module comprising:
- a substrate;
- a plurality of first light sources disposed on the substrate, wherein the first light sources provide a first light beam, the first light beam has a first chromaticity (X1, Y1);
- a plurality of second light sources disposed on the substrate, wherein the second light sources provide a second light beam, the second light beam has a second chromaticity (X2, Y2), and there is a chromaticity difference (Rx, Ry) between the first chromaticity (X1, Y1) and the second chromaticity (X2, Y2), and
- a plurality of third light sources, wherein the third light sources are disposed on the substrate, the third light sources provide a third light beam, the third light beam has a third chromaticity (X3, Y3), the third chromaticity (X3, Y3) differs from the first chromaticity (X1, Y1) and the second chromaticity (X2, Y2), the third light sources surround the first light sources, and the second light sources surround the third light sources,
- wherein the light source module has a central point, an extending line passes through the central point, and the ratio of the number of first light sources to the number of third light sources and the number of second light sources on the extending line is 2:2:1.
Dependencies are inferred from the claim text.