Patent ID: 7410599
Filing Date: 2008-08-12
Classification: C09K,H01J

Abstract:
1. A green emitting Mn and alkali metal activated lanthanide aluminate phosphor having the empirical formula: wherein: Ln is a combination of La, Y, Gd, and Tb, wherein La is: 0.57≦La≦1.782; Y is: 0≦Y ≦0.19; Gd is: 0.198≦Gd≦0.95; and Tb is: 0≦Tb≦0.19; A is selected from the group consisting of: Li, Na, K and a combination thereof; B is selected from the group consisting of: Al and a combination of Al and Ga; x is from about 0.01 to about 0.1; and y is from about 0.01 to about 0.1.