Liquid crystal composition and display device thereof

a technology of liquid crystal composition and display device, which is applied in the direction of liquid crystal composition, chemistry apparatus and processes, instruments, etc., can solve the problems of low resistivity, long response time, and particularly important miscibility of components with one another, and achieve low viscosity, good high-temperature stability, and high clearing point
US10385270B2Active Publication Date: 2019-08-20JIANGSU HECHENG DISPLAY TECHCO
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Patent Information

Authority / Receiving Office
US · United States
Patent Type
Patents(United States)
Current Assignee / Owner
JIANGSU HECHENG DISPLAY TECHCO
Publication Date
2019-08-20

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Abstract

The present invention discloses a liquid crystal composition, comprising: at least a first compound selected from the group consisting of a compound of general Formula I-1, a compound of general Formula I-2, and a combination thereof, and at least a second compound selected from the group consisting of a compound of general Formula II-1, a compound of general Formula II-2, a compound of general Formula II-3, a compound of general Formula II-4 and a combination thereof. The liquid crystal composition provided in the present invention has the properties of appropriate optical and dielectric anisotropies, high clearing point, existence of a nematic phase over a wide range of temperature, low viscosity and good high-temperature stability. The liquid crystal composition is applicable to a liquid crystal display (LCD) device, to enable the LCD device to have such properties as short response time, excellent display effect at high temperature, and others.
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Description

CROSS-REFERENCE TO RELATED APPLICATION

[0001] This application is a 371 application of an International PCT application serial no. PCT / CN2015 / 089170, filed on Sep. 8, 2015, which claims the priority benefits of China Application No. 201410481804.8, filed on Sep. 19, 2014. The entirety of each of the above-mentioned patent applications is hereby incorporated by reference herein and made a part of this specification.BACKGROUND OF THE INVENTIONField of the Invention

[0002] The present invention relates to a liquid crystal composition, and particularly to a liquid crystal composition having appropriate optical and dielectric anisotropies, high clearing point, fast response speed and good high-temperature stability, and to a liquid crystal display (LCD) comprising the liquid crystal composition.Description of Related Art

[0003] The liquid crystal material is a mixture of organic rod-like small molecule compounds having both fluidity of a liquid and anisotropy of a crystal at a certain temperat...

Claims

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