Title:
OPTICAL FILTER
Document Type and Number:
WIPO Patent Application WO/2000/079316
Kind Code:
A1
Abstract:
An optical filter having a filter layer absorbing a visible light, a transparent supporter, in particular a transparent supporter comprising a biaxially stretched film, and antireflection layer, characterized in that it has at least one filter layer containing a coloring matter and a polymer binder on at least one side of the transparent support and has an antireflection layer having the antireflection ability for a visible light on the side of the supporter opposite to the filter layer when it has a filter layer only on one side of the supporter, or on either side of the supporter when it has filter layers on both sides, wherein the transparent supporter is a biaxially stretched film having a thickness of 10 $g(m)m to 500 $g(m)m. The optical filter is attached to an image display device such as a plasma display for the purpose of the prevention of reflection and the correction of color reproduction.
Inventors:
Ikuhara, Isao (Fuji Photo Film Co, Ltd. 210, Nakanuma Minami-Ashigara-shi Kanagawa, 250-0123, JP)
Yamada, Tsukasa (Fuji Photo Film Co, Ltd. 210, Nakanuma Minami-Ashigara-shi Kanagawa, 250-0123, JP)
Ando, Takumi (Fuji Photo Film Co, Ltd. 210, Nakanuma Minami-Ashigara-shi Kanagawa, 250-0123, JP)
Yamada, Tsukasa (Fuji Photo Film Co, Ltd. 210, Nakanuma Minami-Ashigara-shi Kanagawa, 250-0123, JP)
Ando, Takumi (Fuji Photo Film Co, Ltd. 210, Nakanuma Minami-Ashigara-shi Kanagawa, 250-0123, JP)
Application Number:
PCT/JP2000/003909
Publication Date:
December 28, 2000
Filing Date:
June 15, 2000
Export Citation:
Assignee:
FUJI PHOTO FILM CO., LTD. (210 Nakanuma Minami-Ashigara-shi Kanagawa, 250-0123, JP)
Ikuhara, Isao (Fuji Photo Film Co, Ltd. 210, Nakanuma Minami-Ashigara-shi Kanagawa, 250-0123, JP)
Yamada, Tsukasa (Fuji Photo Film Co, Ltd. 210, Nakanuma Minami-Ashigara-shi Kanagawa, 250-0123, JP)
Ando, Takumi (Fuji Photo Film Co, Ltd. 210, Nakanuma Minami-Ashigara-shi Kanagawa, 250-0123, JP)
Ikuhara, Isao (Fuji Photo Film Co, Ltd. 210, Nakanuma Minami-Ashigara-shi Kanagawa, 250-0123, JP)
Yamada, Tsukasa (Fuji Photo Film Co, Ltd. 210, Nakanuma Minami-Ashigara-shi Kanagawa, 250-0123, JP)
Ando, Takumi (Fuji Photo Film Co, Ltd. 210, Nakanuma Minami-Ashigara-shi Kanagawa, 250-0123, JP)
International Classes:
C09D125/10; G02B1/11; G02B5/20; G02B5/22; (IPC1-7): G02B5/22; C09D5/00; C09D133/06; C09D125/10
Attorney, Agent or Firm:
Oguri, Shohei (Eikoh Patent Office ARK Mori Building, 28th Floor 12-32, Akasaka 1-chome Minato-ku Tokyo, 107-6028, JP)
Download PDF: