Backlight Module Having Phosphor Layer and Liquid Crystal Display Device Using the Same
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United States of America Patent
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Issued Date -
Jul 17, 2008
app pub date -
Jan 11, 2007
filing date -
Jan 11, 2007
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Abandoned
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Abstract
There is provided a backlight module having a phosphor layer and a liquid crystal display device using the backlight module as its light source. The backlight module includes a bottom cover, a plurality of light sources (which can emit a blue light or an ultraviolet light) installed inside of the bottom cover, a diffusion plate, and a multicolor phosphor layer formed on a surface of the diffusion plate, wherein the phosphor consisting of the fluorescent materials can be excited by the blue light or the ultraviolet light, and the excited phosphor states subsequently emit the red light, blue light, and green light respectively associated with the individual red, blue, and green fluorescent materials in the phosphor layer. By combining appropriate ratios of red, blue, and green fluorescent materials in the phosphor layer, a white light is generated.
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