Patent ID: 7986088
Filing Date: 2011-07-26
Classification: C09K,G02B,H01L,Y02E

Abstract:
1. A fluorescence conversion medium, comprising: core/shell fluorescent fine particles, which absorb visible light, near ultraviolet light, or both and emits visible fluorescence, and a transparent medium having the core/shell fluorescent fine particles dispersed therein, wherein said core/shell fluorescent fine particles are a material selected from the group consisting of CdSe/ZnS, InP/ZnS, and ZnTe/ZnS, said core/shell fluorescent fine particles are present in said transparent medium in a concentration of from 7.0×10 −4 mol·L −1 to 85×10 −4 mol·L −1 , and said fluorescence conversion medium having an overlapping degree (P) represented by the following formula: of 4.1≦P≦23.6, wherein I(λ) (unit: nm