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Invention Publication
CN101481614A 白磷光体、发光器件以及液晶显示器 失效 - 权利终止

白磷光体、发光器件以及液晶显示器
Abstract:
本发明公开了白磷光体、发光器件以及液晶显示器。一种白磷光体、包括该白磷光体的发光器件以及包括该发光器件作为背光单元的液晶显示器。该白磷光体包括：40至50重量份数的蓝磷光体，选自由ZnS:(Ag，Cl)、ZnS:(Ag，Al)、ZnS:(Ag，Al，Cl)以及它们的组合构成的组；23至36重量份数的绿磷光体，包括(Sr1－xCax)Ga2S4:Eu和选自由ZnS:(Cu，Al)、ZnS:(Cu，Au，Al)以及它们的组合构成的组的化合物，其中0≤x＜0.2；以及20至30重量份数的红磷光体，选自由Y2O3:Eu、Y2O3:(Eu，Tb)、Y2O2S:Eu、Y2O2S:(Eu，Tb)以及它们的组合构成的组。
Abstract(English):

A white phosphor, a light emission device including the same, and a liquid crystal display (LCD) including the light emission device as a backlight unit. The white phosphor includes: 40 to 50 parts by weight of a blue phosphor selected from the group consisting of ZnS:(Ag,Cl), ZnS:(Ag,Al), ZnS:(Ag,Al,Cl), and a combination thereof; 23 to 36 parts by weight of a green phosphor including (Sr1-xCax)Ga2S4:Eu (0<=x<0.2) and a compound selected from the group consisting of ZnS:(Cu,Al), ZnS:(Cu,Au,Al), and a combination thereof; and 20 to 30 parts by weight of a red phosphor selected from the group consisting of Y2O3:Eu, Y2O3:(Eu,Tb), Y2O2S:Eu, Y2O2S:(Eu,Tb), and a combination thereof.

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