LIGHT DIFFUSING MEMBER, PRODUCTION OF LIGHT DIFFUSING MEMBER, AND TRANSFER FILM

Japanese Patent JP3438771

B2

PROBLEM TO BE SOLVED: To obtain a light diffusing member having a light diffusing face which improves reflection characteristics such as of a diffusion reflector for a reflection type LCD with a high production efficiency by providing the light diffusing face to which a rugged pattern of a metal plating film surface is transferred.
SOLUTION: In this method to form a diffusion face such as a diffusion reflector for a reflection type LCD, a thin film layer 4 is formed on the substrate 1 where a rugged pattern is to be formed, and a metal plating film surface is pressed to the thin film layer 4. Thus, a light diffusing face having many fine recesses and projections can be formed in a simple process at a low cost compared to a method of patterning using a photomask. Further, by forming a reflection film 3 such as a metal thin film on the diffusion face, a desired diffusion reflector can be obtd. Or, instead of he reflection film 3, by imparting the difference in the refractive index to the material which forms the light diffusion face, a desired light diffusion plate can be obtd. Thus, a light diffusing member such as a diffusion reflector having good reflection characteristics can be efficiently produced.

Yasuo Tsuruoka
Ken Yoshida
Nobuaki Takane
Keiko Kizawa

JP7119499A

August 18, 2003

March 17, 1999

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Hitachi Chemical Co., Ltd.

H01L31/04; B32B3/30; G02B5/02; G02B5/08; G02F1/1335; (IPC1-7): G02B5/02; G02F1/1335

JP1145639A
JP61208072A
JP10512513A

Hidekazu Miyoshi

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