DIFFUSIVE PLATE OF BACKLIGHT MODULE WITH POROUS DIFFUSIVE LAYER
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United States of America Patent
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Issued Date -
Dec 18, 2008
app pub date -
Jun 18, 2007
filing date -
Jun 18, 2007
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A backlight module includes a case, on which a reflecting film, lamps and a diffusive plate are provided in order. The diffusive plate includes a transparent substrate, on opposite of which a first diffusive layer and a second diffusive layer are provided. The first diffusive layer has a plurality of holes, each of which has a first refracting curved surface and a second refracting curved surface at opposite sides thereof along a thickness direction of the diffusive plate. The lamp radiates light, a part of which is reflected by the holes and a part of which travels through the holes and is refracted at the first refracting curved surface and the second refracting curved surface respectively.
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