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29 June 2004A new type of optical diffuser with the directional property
A diffusive film characterized with a directional property was developed. This new type of diffusive film is achieved
with a new technology derived from holography. Directionality of diffusive film is characterized because it diffuses the
light from the determinate angle strongly more than other angles.
This discriminative property is consequence of the diffusive film structure that consists of different index transparent
Additionally, The film is a volume type diffuser, and the surfaces are almost flat so it is possible to laminated it to
various part of other elements without remarkable affecting the diffusing properties of the film. Moreover, durability of
this film is actually enough to consumer applications.
With these remarkable properties, this diffusive film can widely applied to display systems etc.
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Hideaki Honma, Yoshiyuki Maekawa, Masami Takano, Luis Manuel Murillo-Mora, Atsushi Sato, Kiichiro Hirose, Fujio Iwata, "A new type of optical diffuser with the directional property," Proc. SPIE 5290, Practical Holography XVIII: Materials and Applications, (29 June 2004);