Invention Application
US20120062821A1 WHITE LED, BACKLIGHT USING SAME, AND LIQUID CRYSTAL DISPLAY DEVICE CONFORMING TO EBU STANDARD 有权
白色LED,使用相同的背光和符合EBU标准的液晶显示装置

WHITE LED, BACKLIGHT USING SAME, AND LIQUID CRYSTAL DISPLAY DEVICE CONFORMING TO EBU STANDARD
Abstract:
In a embodiment, a white LED for a backlight of a liquid crystal display device conforming to the EBU standard includes an ultraviolet (purple) light-emitting element, and a phosphor layer which contains 1 to 10 wt % of a green phosphor including a divalent europium-activated silicate phosphor, 40 to 80 wt % of a blue phosphor including at least one selected from a divalent europium-activated halo-phosphate phosphor and a divalent europium-activated aluminate phosphor, and 10 to 50 wt % of a red phosphor including at least one selected from a europium-activated lanthanum oxysulfide phosphor and a europium-activated yttrium oxysulfide phosphor.
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