Invention Grant
- Patent Title: Pyran derivative, its preparation method, liquid crystal composition and liquid crystal display device comprising the same
- Patent Title (中): 吡喃衍生物，其制备方法，液晶组合物和包含其的液晶显示装置
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Application No.: US12585247Application Date: 2009-09-09
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Publication No.: US07968003B2Publication Date: 2011-06-28
- Inventor: Bum-Gyu Choi , Min-Jin Ko , Myung-Sun Moon , Jae-Ho Cheong , Dae-Ho Kang , Ki-Youl Lee , Yun-Bong Kim
- Applicant: Bum-Gyu Choi , Min-Jin Ko , Myung-Sun Moon , Jae-Ho Cheong , Dae-Ho Kang , Ki-Youl Lee , Yun-Bong Kim
- Applicant Address: KR Seoul
- Assignee: LG Chem, Ltd.
- Current Assignee: LG Chem, Ltd.
- Current Assignee Address: KR Seoul
- Agency: McKenna Long & Aldridge LLP
- Priority: KR10-2008-0089931 20080911
- Main IPC: C09K19/00
- IPC: C09K19/00 ; C09K19/30 ; C09K19/32 ; C09K19/34 ; C09K19/52
Abstract:
The present invention relates to a pyran derivative which manifests appropriate refractive anisotropy (optical anisotropy) and liquid crystal transition temperature and excellent dielectric anisotropy, and has excellent compatibility with various liquid crystal compounds, and thus, can be preferably used for the formation of a liquid crystal layer of a liquid crystal display device, its preparation method, a liquid crystal composition and liquid crystal display device comprising the same.
Public/Granted literature
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