Photoluminescent sheet
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United States of America Patent
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Nov 9, 2010
Grant Date -
Sep 27, 2007
app pub date -
Mar 12, 2007
filing date -
Mar 10, 2006
priority date (Note) -
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Abstract
A photoluminescent sheet is disclosed. In one embodiment, the photoluminescent sheet has a phosphor, absorbs some light, of at least one wavelength, of light emitted from a light source, emits particular light of a wavelength different from the wavelength of the emitted light and allows the remaining of the light emitted from the light source to penetrates the photoluminescent sheet, whereas the photoluminescent sheet comprises at least a surface comprising a wet preventing layer for minimizing a contracting area between the photoluminescent sheet and another sheet. According to at least one embodiment, wet is not generated on a screen even though the photoluminescent sheet is connected to other sheets.
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