Light-emitting module structure
A light-emitting module structure includes a substrate, a plurality of light-emitting diodes (LEDs) disposed on the substrate, and a light-guiding layer covering the light-emitting diodes. The light-guiding layer has an upper surface, the upper surface has a plurality of recesses, and the recesses are above the light-emitting diodes or between the light-emitting diodes. This light-emitting module structure can improve the brightness and uniformity of the light-emitting module.
1. A light-emitting module structure, comprising:
a substrate;
a plurality of light-emitting diodes disposed on the substrate;
a plurality of crosstalk resistant structures disposed on the substrate, wherein each of the crosstalk resistant structures is between the light-emitting diodes;
a plurality of mirror reflection structures disposed on the substrate, wherein each of the mirror reflection structures is arranged between two adjacent ones of the light-emitting diodes and is arranged between one of the light-emitting diodes and one side of each of the crosstalk resistant structures;
a plurality of scattering structures disposed on the substrate, wherein each of the scattering structures is adjacent to each of the mirror reflection structures; and
a light-guiding layer covering the light-emitting diodes, wherein the light-guiding layer has an upper surface, the upper surface has a plurality of recesses, and each of the recesses is on each of the light-emitting diodes.
2. The light-emitting module structure of claim 1 , wherein the light-emitting diodes are arranged as a regular hexagon, and each of the crosstalk resistant structures is positioned at a center of the regular hexagon.
3. The light-emitting module structure of claim 1 , wherein the crosstalk resistant structures comprise a plurality of cones or a plurality of cylinders, and each of the crosstalk resistant structures has a height that is greater than or equal to a height of each of the light-emitting diodes.
4. The light-emitting module structure of claim 1 , wherein each of the recesses has an opening and a bottom, wherein the opening has a width, the bottoms is aligned with one of the light-emitting diodes, a vertical distance is between the aligned bottom and the light-emitting diode, and a ratio of the width to the vertical distance is about 0.85 to 3.5.
5. The light-emitting module structure of claim 1 , further comprising at least one reflection structure disposed on a part of the upper surface of the light-guiding layer, wherein the reflection structure has a reflection surface immediately neighboring the upper surface, and the reflection surface is a mirror reflection surface.
6. The light-emitting module structure of claim 1 , wherein the recesses comprise cone recesses or cylindrical recesses.
7. The light-emitting module structure of claim 1 , wherein the recesses comprise a plurality of first V-shaped trenches extending along a first direction.
8. The light-emitting module structure of claim 1 , further comprising a phosphor layer or a quantum dot layer on the upper surface of the light-guiding layer.
9. The light-emitting module structure of claim 8 , further comprising a phosphor layer covering at least one of the light-emitting diodes.
10. The light-emitting module structure of claim 1 , wherein the upper surface of the light-guiding layer is a reflection surface or a refraction surface.
11. The light-emitting module structure of claim 1 , further comprising a concave structure disposed between the substrate and each of the light-emitting diodes.
12. The light-emitting module structure of claim 1 , further comprising a transparent glue layer on the upper surface of the light-guiding layer, wherein the transparent glue layer fills the recesses.
13. The light-emitting module structure of claim 12 , wherein the transparent glue layer in the recesses has a protruding glue accumulation portion.
14. The light-emitting module structure of claim 1 , wherein the substrate has at least one cavity, and at least one of the light-emitting diodes is correspondingly disposed in the at least one cavity, wherein the light-emitting diodes are chip size package light-emitting diodes.
15. A light-emitting module structure, comprising:
a substrate;
a plurality of light-emitting diodes disposed on the substrate;
a plurality of crosstalk resistance structures disposed on the substrate, wherein each of the crosstalk resistance structures is between the light-emitting diodes;
a plurality of scattering structures disposed on the substrate, wherein each of the scattering structures is arranged between two adjacent ones of the light-emitting diodes and is arranges between one of the light-emitting diodes and one side of each of the crosstalk resistant structures; and
a light-guiding layer covering the light-emitting diodes, wherein the light-guiding layer has an upper surface, the upper surface has a plurality of recesses, each of the recesses is on each of the light-emitting diodes, wherein the recesses comprise a plurality of first v-shaped trenches extending along a first direction and a plurality of second V-shaped trenches extending along a second direction, the second direction is different from the first direction, and the first V-shaped trenches intersect with the second V-shaped trenches to form a plurality of intersections.