▎ 摘　　要

NOVELTY - The utility model claims a graphene photo-luminescent substrate having a sandwich structure, the core layer of the sandwich structure is a photoluminescent material layer, surface layer of the sandwich structure is a graphene layer. The utility model adopts graphene as the protection layer of the photoluminescent sheet, can effectively make the heat-sensitive photoluminescent material is not generated when the LED chip is working is influenced by high temperature, it also can prevent oxygen, water and other small molecules to the erosion of photoluminescent material so as to keep high light emitting performance, at the same time the graphene itself to light absorption low, it will not has obvious influence on the luminous performance of the solid-state light emitting device. Therefore, this utility model claims a graphene photoluminescent substrate can not lower the current for greatly improving the basis of solid-state light emitting device manufacturing process to the LED chip, which greatly expands the use range of the photoluminescent material responsive to heat.