Compound, liquid crystal composition and liquid crystal display

A technology for liquid crystal compositions and compounds, applied in the directions of liquid crystal materials, chemical instruments and methods, instruments, etc., can solve the problems of low clearing point of liquid crystal compositions and the inability of liquid crystal displays to use the working temperature range under high temperature conditions, and achieves improved performance. Operating temperature range, high-definition highlights, improved effect of clearing points
CN106543178AActive Publication Date: 2017-03-29FUYANG XINYIHUA MATERIAL TECH
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
FUYANG XINYIHUA MATERIAL TECH
Publication Date
2017-03-29

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Abstract

The invention discloses a compound, a liquid crystal composition and a liquid crystal display. The compound is represented by formula I shown in the description. In the formula I, R1 and R2 are respectively independently selected from the hydrogen atom and C1-15 alkyl or alkyloxy groups; A, B and C are respectively independently selected from groups also shown in the description; Z1 and Z2 are respectively independently selected from a single bond, -CH=CH-, a carbon-carbon triple bond, -COO-, -OOC-, -CF2O-, -OCH2-, -CH2O-, -OCF2-, -CH2CH2-, -CF2CH2-, -CH2CF2-, -C2F4-, -(CH2)4- and -CF=CF-; and a, b, c, d and e are respectively independently selected from 0, 1 and 2. The liquid crystal composition at least comprises the compound. The liquid crystal display includes the liquid crystal composition.
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Description

technical field

[0001] The invention relates to the field of liquid crystal displays, in particular to a compound, a liquid crystal composition and a liquid crystal display. Background technique

[0002] According to different display methods, liquid crystal displays are divided into dynamic flash type, twisted type, super twisted type and plane conversion type. Although different types of liquid crystal displays require liquid crystal compositions to have different properties, they are also required to have the following common features: proper optical anisotropy, proper rotational viscosity and fast response speed.

[0003] The liquid crystal composition is prepared by mixing various liquid crystal compounds, so the properties of the liquid crystal compound monomers are particularly important. Due to the low clearing point of the existing liquid crystal composition, it cannot meet the requirements of liquid crystal displays used at high temperatures, and has the problem o...

Claims

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