Title:
THERMOPLASTIC FILM, FORMING METHOD AND EQUIPMENT OF THE SAME, POLARIZING PLATE, OPTICAL COMPENSATION FILM FOR LIQUID CRYSTAL DISPLAY PANEL, ANTIREFLECTION FILM AND LIQUID CRYSTAL DISPLAY
Document Type and Number:
Japanese Patent JP2008307888
Kind Code:
A
Abstract:
To prevent a vertical streak, to reduce the display unevenness of a liquid crystal when used, for example, in a retardation film of a liquid crystal display element or the like, and to improve surface quality.
This thermoplastic film Fa' contacts with either of nip rollers 37 and 39 at a lap angle of 1-60 when conveyed between the nip rollers 37 and 39 while a pre-stretched film Fa is vertically stretched in an aspect ratio of above 0.01 and below 0.3 using the first nip roller 37 and the second nip roller 39, wherein diameters of the first nip roller 37 and the second nip roller 39 are set to R. Also, a contact distance of either of the nip rollers and the thermoplastic film Fa' is set to 0.01R-0.5R.
Inventors:
SE TAKUMIN
Application Number:
JP2008112858A
Publication Date:
December 25, 2008
Filing Date:
April 23, 2008
Export Citation:
Assignee:
FUJIFILM CORP
International Classes:
B29C55/06; B29C55/14; B29K101/12; B29L7/00
Domestic Patent References:
| JP2006348114A | 2006-12-28 | |||
| JPH1158512A | 1999-03-02 |
Foreign References:
| WO2006132367A1 | 2006-12-14 |
Attorney, Agent or Firm:
Takehiro Chiba
Toshiyuki Miyadera
Naoki Kashima
Yasuo Takubo
Shuji Ouchi
Toshiyuki Miyadera
Naoki Kashima
Yasuo Takubo
Shuji Ouchi
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