POLARIZATION PLATE WITH ANTIREFLECTION FUNCTION, PROCESS FOR PRODUCING THE SAME, AND IMAGE DISPLAY UNIT UTILIZING THE SAME

WIPO Patent Application WO/2005/114271

A1

A lengthy polarization plate excelling in moisture endurance and weather resistance, comprising an antireflection film united with a polarization film, which polarization plate realizes homogeneity of in-plane color and high neutrality, excelling in durability and is free from external light reception; a process for producing the same; and an image display unit utilizing such a polarization plate. There is disclosed a lengthy polarization plate comprising a polarization film of polyvinyl alcohol film and, superimposed on both major surface sides thereof, cellulose acylate films as a protective film whose one-side cellulose acylate film is coated with an antireflection film of multilayer structure, characterized in that the cellulose acylate films on the polarization-film-side surface thereof undergo an alkali saponification treatment so that after the alkali saponification treatment, the polarization-film-side surface has an asperity of specific configuration.

KATO EIICHI
YONEYAMA HIROYUKI
NAKAMURA KAZUHIRO

PCT/JP2005/009266

December 01, 2005

May 20, 2005

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FUJI PHOTO FILM CO LTD (JP)
KATO EIICHI
YONEYAMA HIROYUKI
NAKAMURA KAZUHIRO

B32B7/023; B29C55/02; B29C55/04; B32B23/00; B32B27/08; G02B1/11; G02B5/30; G02F1/1335; (IPC1-7): G02B5/30; B29C55/02; B32B7/02; B32B23/00; G02B1/11; G02F1/1335

US20040070041A1	2004-04-15
JP2004126206A	2004-04-22
JP2003292831A	2003-10-15
JP2003313326A	2003-11-06
JP2003207626A	2003-07-25
JP2004029705A	2004-01-29

Oguri, Shohei (7-13 Nishi-Shimbashi 1-chom, Minato-ku Tokyo 03, JP)

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