Red nitride phosphors
First Claim
Patent Images
1. A light emitting device, comprising:
- a solid state lighting source; and
a phosphor composition that comprises Ca1-x-ySrxEuyAlSiN3, wherein x is in a range of 0.50 to 0.99 and y is less than 0.013, andwherein the light emitting device has a CRI value of greater than 90.
3 Assignments
0 Petitions
Accused Products
Abstract
Provided according to embodiments of the invention are phosphor compositions that include Ca1-x-ySrxEuyAlSiN3, wherein x is in a range of 0.50 to 0.99 and y is less than 0.013. Also provided according to embodiments of the invention are phosphor compositions that include Ca1-x-ySrxEuyAlSiN3, wherein x is in a range of 0.70 to 0.99 and y is in a range of 0.001 and 0.025. Also provided are methods of making phosphors and light emitting devices that include a phosphor composition according to an embodiment of the invention.
-
Citations
16 Claims
-
1. A light emitting device, comprising:
-
a solid state lighting source; and a phosphor composition that comprises Ca1-x-ySrxEuyAlSiN3, wherein x is in a range of 0.50 to 0.99 and y is less than 0.013, and wherein the light emitting device has a CRI value of greater than 90. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
-
-
9. A light emitting device, comprising:
-
a solid state lighting source; and a phosphor composition that comprises Ca1-x-ySrxEuyAlSiN3, wherein x is in a range of 0.70 to 0.99 and y is in a range of 0.001 to 0.025, and wherein the light emitting device has a CRI value of greater than 90. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16)
-
Specification