Title:
LIGHT DIFFUSION SHEET AND METHOD FOR MANUFACTURING THE SAME
Document Type and Number:
WIPO Patent Application WO/2008/072731
Kind Code:
A1
Abstract:
Provided is a light diffusion sheet having a light diffusion function, which is
manufactured by transferring an uneven metal mold shape. In the light diffusion sheet,
a lens section composed of a gradually decreasing prism has a region (A) arranged
at one end section of the sheet main body, and furthermore, a region (B), which
is the rest of the region with at least partially roughened surface and has a blast
mat structure.
Inventors:
YAMASHITA TOMOYOSHI (JP)
Application Number:
PCT/JP2007/074131
Publication Date:
June 19, 2008
Filing Date:
December 14, 2007
Export Citation:
Assignee:
MITSUBISHI RAYON CO (JP)
YAMASHITA TOMOYOSHI (JP)
YAMASHITA TOMOYOSHI (JP)
International Classes:
G02B5/02; F21V5/00; F21V5/04
Foreign References:
| JP2002216530A | 2002-08-02 | |||
| JP2002243938A | 2002-08-28 | |||
| JP2000276921A | 2000-10-06 |
Attorney, Agent or Firm:
YAMASHITA, Johei (Toranomon 40th MT Bldg.13-1, Toranomon 5-chom, Minato-ku Tokyo 01, JP)
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