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Patent Searching and Data


Title:
COMPOSITE POLARIZING PLATE AND LIQUID CRYSTAL PANEL USING SAME
Document Type and Number:
WIPO Patent Application WO/2017/047407
Kind Code:
A1
Abstract:
Provided is a composite polarizing plate that experiences little reduction in degree of polarization at high temperatures. Also provided is a liquid crystal panel that has high heat resistance. A composite polarizing plate in which the following are laminated, in order: a first protective film; a first polarizing film that has a thickness of 15 μm or less; and a second polarizing film that has a thickness of 15 μm or less. The absorption axis of the first polarizing film and the absorption axis of the second polarizing film are approximately parallel.

Inventors:
MATSUMOTO TOSHIKAZU (JP)
Application Number:
PCT/JP2016/075808
Publication Date:
March 23, 2017
Filing Date:
September 02, 2016
Export Citation:
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Assignee:
SUMITOMO CHEMICAL CO (JP)
International Classes:
G02B5/30; B32B7/02; G02F1/1335; G02F1/13363
Domestic Patent References:
WO2012111703A12012-08-23
Foreign References:
JP2010039420A2010-02-18
JP2007233362A2007-09-13
JP2003084271A2003-03-19
JP2011059266A2011-03-24
JPH10133196A1998-05-22
Attorney, Agent or Firm:
NAKAYAMA, Tohru et al. (JP)
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