The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 29, 2021
Filed:
Jan. 03, 2019
Shijiazhuang Chengzhi Yonghua Display Material Co., Ltd, Shijiazhuang, CN;
Ming Li, Shijiazhuang, CN;
Guoliang Yun, Shijiazhuang, CN;
Jinsong Meng, Shijiazhuang, CN;
Lei Zhao, Shijiazhuang, CN;
Hubo Zhang, Shijiazhuang, CN;
Wenfei Liu, Shijiazhuang, CN;
Zhengqiang Li, Shijiazhuang, CN;
Shijiazhuang Chengzhi Yonghua Display Material Co., Ltd., Shijiazhuang, CN;
Abstract
Provided are a difluoromethoxy-bridge liquid crystal compound containing methyl-substituted 2,3-difluorophenyl, a liquid crystal composition containing the compound, and a liquid crystal display element and a liquid crystal display, wherein said liquid crystal composition is represented by the following formula I: wherein the difluoromethoxy-bridge liquid crystal compound containing methyl-substituted 2,3-difluorophenyl not only has a high clearing point (CP) and a prominent low-temperature miscibility with other liquid crystals, but also has a good stability to ultraviolet light, stability to high temperatures, and particularly also a high vertical dielectric constant (ε), and may be applied to the formulation of various types of liquid crystal compositions, and it is particularly prominent that the compound has the advantages of both a good low-temperature miscibility and a high vertical dielectric constant (ε).