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Patent Searching and Data


Title:
METHOD FOR PUNCHING OUT POLARIZING PLATE, AND PUNCHING DEVICE USED IN METHOD
Document Type and Number:
WIPO Patent Application WO/2018/025620
Kind Code:
A1
Abstract:
Provided is a method for punching out a polarizing plate, with which it is possible to prevent generation of cracks and to punch out polarizing plate pieces in a variety of shapes. This method for punching a polarizing plate comprises punching out a polarizing plate by means of an etching blade die or a chisel blade die to obtain a polarizing plate piece of a prescribed shape, wherein the outline of the polarizing plate piece consists of lines including a curved line. In one embodiment of the present invention, the curved line accounts for at least 10% of the total length of the lines constituting the outline of the polarizing plate.

Inventors:
SUGIMOTO Atsuhiko (1-1-2 Shimohozumi, Ibaraki-sh, Osaka 80, 〒5678680, JP)
NAKAI Kota (1-1-2 Shimohozumi, Ibaraki-sh, Osaka 80, 〒5678680, JP)
LI Shinshing (NO.7, Keya W. RD., Daya Dist., Taichung Cit, ., 42882, TW)
CHEN Tingxiang (NO.7, Keya W. RD., Daya Dist., Taichung Cit, ., 42882, TW)
KAO Chihwei (NO.7, Keya W. RD., Daya Dist., Taichung Cit, ., 42882, TW)
HO Hsingjung (NO.7, Keya W. RD., Daya Dist., Taichung Cit, ., 42882, TW)
Application Number:
JP2017/025735
Publication Date:
February 08, 2018
Filing Date:
July 14, 2017
Export Citation:
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Assignee:
NITTO DENKO CORPORATION (1-1-2, Shimohozumi Ibaraki-sh, Osaka 80, 〒5678680, JP)
International Classes:
B26F1/44; G02B5/30
Attorney, Agent or Firm:
MOMII Takafumi (7th Floor, Aqua Dojima East 1-4-4, Dojimahama, Kita-ku, Osaka-sh, Osaka 04, 〒5300004, JP)
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