A kind of positive dielectric liquid crystal composition

A technology of liquid crystal composition and liquid crystal compound, applied in liquid crystal materials, nonlinear optics, organic chemistry, etc.
CN107955629BActive Publication Date: 2021-03-05SHIJIAZHUANG CHENGZHI YONGHUA DISPLAY MATERIALS CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
SHIJIAZHUANG CHENGZHI YONGHUA DISPLAY MATERIALS CO LTD
Publication Date
2021-03-05

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Abstract

The invention discloses a positive dielectric liquid crystal composition. The liquid crystal composition contains component A composed of one or more liquid crystal compounds represented by general formula I, and contains one or more liquid crystal compounds represented by general formula II Component B composed of compounds, component C composed of one or more liquid crystal compounds represented by general formula III, and additive component D composed of one or more compounds represented by general formula S-1, The present invention does not change itself under the condition of high temperature and ultraviolet radiation, thereby improving the quality of liquid crystals, and is suitable for active matrix electro-optical elements and liquid crystal displays, and can be used as TFT-LCD for civil use and practical under special harsh conditions.
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Description

technical field

[0001] The invention relates to the field of liquid crystal materials, in particular to a positive dielectric liquid crystal composition. Background technique

[0002] Liquid crystal display elements are divided into the following modes according to the display mode: twisted nematic (TN) mode, super twisted nematic (STN) mode, in-plane mode (IPS), and vertical alignment (VA) mode. Regardless of the display mode, the liquid crystal composition needs to have the following characteristics:

[0003] (1) Stable chemical and physical properties;

[0004] (2) Low viscosity;

[0005] (3) have a suitable △ε;

[0006] (4) Appropriate demolition rate â–³n;

[0007] (5) Good compatibility with other liquid crystal compounds.

[0008] With the maturity of TFT technology in the early 1990s, color liquid crystal flat panel displays developed rapidly. In less than 10 years, TFT-LCD has rapidly grown into a mainstream display, which is inseparable from its advantages. Its...

Claims

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