Title:
FILM AND PRESSURE-SENSITIVE ADHESIVE FOR USE THEREIN
Document Type and Number:
WIPO Patent Application WO/2004/035665
Kind Code:
A1
Abstract:
A light transmitting film comprising a pressure-sensitive adhesive layer, characterized in that the total light transmittance of the film changes in the film width direction. In an embodiment thereof, the film comprising a pressure-sensitive adhesive layer (1) has a releasing film (2), a first pressure-sensitive adhesive layer (3) formed on the releasing film (2), a second pressure-sensitive adhesive layer (4) formed on the first pressure-sensitive adhesive layer, a base film (5) provided on the second pressure-sensitive adhesive layer, and an antireflection film (6) formed on the surface of the base film opposite to the surface having the second pressure-sensitive adhesive layer (4) thereon, wherein the first pressure-sensitive adhesive layer (3) exhibits a color deeper than that of the second pressure-sensitive adhesive layer (4), which may be colorless, and wherein the first pressure-sensitive adhesive layer (3) has a thickness at a central portion in the width direction being greater than those at both side ends and the total thickness of the first pressure-sensitive adhesive layer (3) and the second pressure-sensitive adhesive layer (4) is the same over the whole area of the film.
Inventors:
KITANO HIDEKI (JP)
SASAKI KIYOMI (JP)
MURAYAMA KENJI (JP)
KOTSUBO HIDEFUMI (JP)
SASAKI KIYOMI (JP)
MURAYAMA KENJI (JP)
KOTSUBO HIDEFUMI (JP)
Application Number:
PCT/JP2003/012876
Publication Date:
April 29, 2004
Filing Date:
October 08, 2003
Export Citation:
Assignee:
BRIDGESTONE CORP (JP)
KITANO HIDEKI (JP)
SASAKI KIYOMI (JP)
MURAYAMA KENJI (JP)
KOTSUBO HIDEFUMI (JP)
KITANO HIDEKI (JP)
SASAKI KIYOMI (JP)
MURAYAMA KENJI (JP)
KOTSUBO HIDEFUMI (JP)
International Classes:
B32B7/10; B32B7/12; C09J7/29; C09J133/06; G02B5/20; G02B5/22; G03B17/26; (IPC1-7): C08J5/18; G02B5/00; G02B1/10; G09F9/00; B32B5/14; B32B7/02; C09J133/06
Domestic Patent References:
| WO2001070493A1 | 2001-09-27 |
Foreign References:
| US6313890B1 | 2001-11-06 | |||
| JP2002107507A | 2002-04-10 | |||
| JP2002241708A | 2002-08-28 |
Other References:
See also references of EP 1564239A4
Attorney, Agent or Firm:
Shigeno, Tsuyoshi (5-10 Shinjuku 2-chom, Shinjuku-ku Tokyo, JP)
Download PDF: