Invention Grant
- Patent Title: Optical film, protection film for polarizer, polarizing plate fabricated therefrom, and display device employing thereof
- Patent Title (中): 光学膜,偏振片用保护膜,由其制作的偏振片及使用其的显示装置
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Application No.: US12811638Application Date: 2008-12-31
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Publication No.: US08309670B2Publication Date: 2012-11-13
- Inventor: Nam-Jeong Lee , Beom-Seok Kim , Byoung-Il Kang , Chan-Hong Lee , Chang-Hun Han
- Applicant: Nam-Jeong Lee , Beom-Seok Kim , Byoung-Il Kang , Chan-Hong Lee , Chang-Hun Han
- Applicant Address: KR Seoul
- Assignee: LG Chem, Ltd.
- Current Assignee: LG Chem, Ltd.
- Current Assignee Address: KR Seoul
- Agency: McKenna Long & Aldridge LLP
- Priority: KR10-2008-0000638 20080103
- International Application: PCT/KR2008/007826 WO 20081231
- International Announcement: WO2009/084909 WO 20090709
- Main IPC: C08F120/18
- IPC: C08F120/18 ; G02F1/1335 ; C08L33/10 ; G02B5/30

Abstract:
The present invention relates to an optical film, comprising a copolymer that comprises (a) a (meth)acrylic monomer, (b) an aromatic vinyl monomer, (c) at least one monomer of an acid anhydride monomer and an unsaturated organic acid monomer, and (d) a vinylcyan monomer, a protection film for a polarizer, a polarizing plate fabricated therefrom, and a display device employing the same.
Public/Granted literature
Information query
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