Invention Grant
- Patent Title: Polarizing plate and display using the same
- Patent Title (中): 偏光板和显示使用相同
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Application No.: US12981399Application Date: 2010-12-29
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Publication No.: US08147638B2Publication Date: 2012-04-03
- Inventor: Kazuyuki Shimizu , Toshiaki Shibue , Takashi Murakami
- Applicant: Kazuyuki Shimizu , Toshiaki Shibue , Takashi Murakami
- Applicant Address: JP Tokyo
- Assignee: Konica Minolta Opto Inc.
- Current Assignee: Konica Minolta Opto Inc.
- Current Assignee Address: JP Tokyo
- Agency: Holtz, Holtz, Goodman & Chick, PC
- Priority: JP2004-345733 20041130
- Main IPC: B29C65/00
- IPC: B29C65/00
Abstract:
A polarizing plate comprising a polarizing film having thereon a retardation film containing a plasticizer and a cellulose ester, wherein a free volume radius of the retardation film determined by positron annihilation lifetime spectroscopy is in the range of 0.250-0.310 nm.
Public/Granted literature
- US20110155306A1 POLARIZING PLATE AND DISPLAY USING THE SAME Public/Granted day:2011-06-30
Information query
