Semiconductor light-emitting device with sealing material including a phosphor
First Claim
Patent Images
1. A semiconductor light-emitting device, comprising:
- a semiconductor light-emitting element; and
a sealing material directly sealing the semiconductor light-emitting element, the sealing material consisting of a phosphor which comprises a matrix comprising a glass and a luminescence center included in the matrix,wherein the matrix comprising the glass has different refractive indices in a near side and in a far side of the semiconductor light-emitting element, the far side being located farther from the semiconductor light-emitting element than the near side,wherein the matrix comprising the glass has a higher refractive index at the far side than at the near side of the semiconductor light-emitting element, andwherein the refractive index of the matrix comprising the glass is the same as a refractive index of the semiconductor light-emitting element in the semiconductor light-emitting element and the phosphor sealing the semiconductor light-emitting element.
1 Assignment
0 Petitions
Accused Products
Abstract
A semiconductor light-emitting device includes a semiconductor light-emitting element, and a sealing material sealing the semiconductor light-emitting element. The sealing material includes a phosphor which includes a matrix including a glass and a luminescence center included in the matrix. A refractive index of the matrix is more in a far side of the matrix than the refractive index of the matrix in a near side of the matrix, the far side being located farther from the semiconductor light-emitting element than the near side. The refractive index of the matrix is the same as a refractive index of the semiconductor light-emitting element.
35 Citations
20 Claims
-
1. A semiconductor light-emitting device, comprising:
-
a semiconductor light-emitting element; and a sealing material directly sealing the semiconductor light-emitting element, the sealing material consisting of a phosphor which comprises a matrix comprising a glass and a luminescence center included in the matrix, wherein the matrix comprising the glass has different refractive indices in a near side and in a far side of the semiconductor light-emitting element, the far side being located farther from the semiconductor light-emitting element than the near side, wherein the matrix comprising the glass has a higher refractive index at the far side than at the near side of the semiconductor light-emitting element, and wherein the refractive index of the matrix comprising the glass is the same as a refractive index of the semiconductor light-emitting element in the semiconductor light-emitting element and the phosphor sealing the semiconductor light-emitting element. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 20)
-
-
16. A semiconductor light-emitting device, comprising:
-
a semiconductor light-emitting element; and a sealing material sealing the semiconductor light-emitting element, the sealing material comprising a phosphor which includes a matrix comprising a glass and a luminescence center included in the matrix, wherein a refractive index of the matrix in a far side of the matrix is more than the refractive index of the matrix in a near side of the matrix, the far side being located farther from the semiconductor light-emitting element than the near side, and wherein the refractive index of the matrix is the same as a refractive index of the semiconductor light-emitting element. - View Dependent Claims (17, 18, 19)
-
Specification