Anisotropic light diffusion adhesive layer, anisotropic light diffusion adhesive laminate, and illuminating device having anisotropic light diffusion adhesive laminate
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United States of America Patent
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Issued Date -
Jan 19, 2006
app pub date -
Nov 13, 2003
filing date -
Nov 14, 2002
priority date (Note) -
Abandoned
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Abstract
An anisotropic light diffusion adhesive layer includes an adhesive material, and an acicular filler whose refractive index is different from that of the adhesive material, wherein the acicular filler is dispersed as oriented substantially in the same direction. It is desirable for the acicular filler to be colorless or white colored. An anisotropic light diffusion adhesive laminated assembly may also be manufactured by adhering together several such anisotropic light diffusion adhesive layers. This anisotropic light diffusion adhesive layer and anisotropic light diffusion adhesive laminated assembly may suitably be employed as an illumination device such as a backlight for a liquid crystal display device or the like.
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