Phosphor plate and lighting device including the same
First Claim
Patent Images
1. A phosphor plate comprising:
- a matrix having one surface and an other surface opposite the one surface;
a phosphor dispersed inside the matrix; and
an uneven surface disposed on at least one of the one surface and the other surface and having one or more patterns,wherein the patterns occupy 70% to 95% of a whole surface area of either the one surface or the other surface, andwherein each unit of the patterns has a width (A) in a range of 5.0 μ
m and 8.0 μ
m and a height (C) or a depth (C′
) in range of 0.3 μ
m to 1.5 μ
m.
1 Assignment
0 Petitions
Accused Products
Abstract
An embodiment of the present invention relates to a phosphor plate, which is a plate-shaped photo-conversion structure in which a phosphor is dispersed inside of a glass matrix, and has an uneven surface comprising at least one type of pattern, formed on at least one surface of the both surfaces of the plate, wherein the pattern occupies 70-95% of the area of the one surface.
9 Citations
16 Claims
-
1. A phosphor plate comprising:
-
a matrix having one surface and an other surface opposite the one surface; a phosphor dispersed inside the matrix; and an uneven surface disposed on at least one of the one surface and the other surface and having one or more patterns, wherein the patterns occupy 70% to 95% of a whole surface area of either the one surface or the other surface, and wherein each unit of the patterns has a width (A) in a range of 5.0 μ
m and 8.0 μ
m and a height (C) or a depth (C′
) in range of 0.3 μ
m to 1.5 μ
m. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
-
-
9. A lighting device comprising:
-
a light source element; and a phosphor plate disposed below the light source element, wherein the phosphor plate comprises a matrix having one surface and an other surface opposite the one surface, a phosphor dispersed inside the matrix, and an uneven surface disposed on either the one surface or the other surface and having one or more patterns, wherein the patterns occupy 70% to 95% of a whole surface area of the one surface or the other surface, and wherein each unit of the patterns has a width (A) in a range of 5.0 μ
m and 8.0 μ
m and a height (C) or a depth (C′
) in range of 0.3 μ
m to 1.5 μ
m. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16)
-
Specification