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Patent Searching and Data

Document Type and Number:
WIPO Patent Application WO/2018/123688
Kind Code:
The present invention provides an optical surface protection film provided with a separator. The optical surface protection film provided with a separator is positionally adjusted on the surface of an optical member using an automatic lamination machine. When the optical member surface protection film is to be laminated after the separator has been peeled off, it is possible to laminate the optical surface protection film to the surface of the optical member in the correct position. The position adjustment performance based on the separator is exceptional. This optical surface protection film provided with a separator has an optical surface protection film having an adhesive layer on at least one surface of a substrate film, and a separator on the surface of the substrate film opposite from the surface contacting the adhesive layer, wherein the optical surface protection film provided with a separator is characterized in that the separator has a release layer and a base material, the haze of the separator is 90% or more, and total light ray transmittance is 50% or less.

WATANABE,Natsuko (1-1-2 Shimohozumi,Ibaraki-sh, Osaka 80, 〒5678680, JP)
MITSUI,Kazuma (1-1-2 Shimohozumi,Ibaraki-sh, Osaka 80, 〒5678680, JP)
NONAKA,Takahiro (1-1-2 Shimohozumi,Ibaraki-sh, Osaka 80, 〒5678680, JP)
Application Number:
Publication Date:
July 05, 2018
Filing Date:
December 18, 2017
Export Citation:
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NITTO DENKO CORPORATION (1-1-2, ShimohozumiIbaraki-sh, Osaka 80, 〒5678680, JP)
International Classes:
B32B27/00; B32B27/36; C09J133/00; C09J175/04; C09J183/04; G02B5/30
Foreign References:
Other References:
2005, pages 61 - 65
Attorney, Agent or Firm:
UNIUS PATENT ATTORNEYS OFFICE (First Shin-Osaka MT Bldg. 2nd Floor, 5-13-9 Nishinakajima Yodogawa-ku, Osaka-sh, Osaka 11, 〒5320011, JP)
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