Title:
OPTICAL FILTER
Document Type and Number:
Japanese Patent JP2009244291
Kind Code:
A
Abstract:
To provide an optical filter for a PDP such that the display screen does not become white and display is viewed with high contrast.
The optical filter is constituted by stacking at least two or more kinds of optical function layers with an adhesive layer interposed, wherein the optical function layers each comprises a base made of a polyester-based resin, or the base and a coating provided on its surface, at least one of the base, coating, and adhesive layer contains a material developing an optical function, and the adhesive layer is made of a polyester-based resin.
Inventors:
HIWATARI YUKA
YAMASHITA TAKEHIRO
YAMASHITA TAKEHIRO
Application Number:
JP2008087131A
Publication Date:
October 22, 2009
Filing Date:
March 28, 2008
Export Citation:
Assignee:
DAINIPPON PRINTING CO LTD
International Classes:
G09F9/00; C09K3/00; G02B5/22
Attorney, Agent or Firm:
Kenji Yoshitake
Yukitaka Nakamura
Konno Akio
Noritaka Yokota
Mari Asano
Yukitaka Nakamura
Konno Akio
Noritaka Yokota
Mari Asano
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