Invention Grant
- Patent Title: Retardation film, method of producing the same and image display device
- Patent Title (中): 延迟膜，其制造方法和图像显示装置
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Application No.: US12725581Application Date: 2010-03-17
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Publication No.: US09174368B2Publication Date: 2015-11-03
- Inventor: Toshiyuki Iida , Takahiro Nakai , Takashi Shimizu , Tsutomu Hani
- Applicant: Toshiyuki Iida , Takahiro Nakai , Takashi Shimizu , Tsutomu Hani
- Applicant Address: JP Ibaraki-shi
- Assignee: NITTO DENKO CORPORATION
- Current Assignee: NITTO DENKO CORPORATION
- Current Assignee Address: JP Ibaraki-shi
- Agency: Westerman, Hattori, Daniels & Adrian, LLP
- Priority: JP2009-075431 20090326
- Main IPC: C09K19/00
- IPC: C09K19/00 ; B29C41/28 ; B29C55/04 ; C09D163/10 ; G02B5/30 ; G02F1/13363 ; B29C35/08 ; B29K33/00 ; B29K63/00
Abstract:
The retardation film of the present invention contains at least one of an epoxy resin cured product and an epoxy (meth)acrylate resin cured product. In the retardation film of the present invention, in-plane birefringence index thereof at a wavelength of 590 nm is preferably 0.001 or more and a birefringence index in a thickness direction thereof at a wavelength of 590 nm is preferably 0.001 or more.
Public/Granted literature
- US20100249323A1 RETARDATION FILM, METHOD OF PRODUCING THE SAME AND IMAGE DISPLAY DEVICE Public/Granted day:2010-09-30
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