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Liquid-crystalline medium

A liquid crystal medium and compound technology, applied in the field of LC displays, can solve the problems of low threshold voltage, short switching time, etc., and achieve the effect of high-definition bright spots, fast switching time, and high birefringence

Pending Publication Date: 2017-02-22
MERCK PATENT GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0017] There is therefore still a great need for MLC displays with very high specific resistance and at the same time a large operating temperature range, short switching times (even at low temperatures), and low threshold voltages, which are only achieved at relatively low To a small extent exhibit these shortcomings, if any

Method used

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Embodiment 1

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[0387]

Embodiment 2

[0392]

Embodiment 3

[0397]

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Abstract

The present invention relates to a liquid-crystalline medium (LC medium), to the use thereof for electrooptical purposes and to LC displays comprising this medium.

Description

technical field [0001] The invention relates to liquid crystal media (LC media), to their use for electro-optical purposes and to LC displays comprising the media. Background technique [0002] Liquid crystals are used in particular as dielectrics in display devices, since the optical properties of this substance can be influenced by an applied voltage. Electro-optic devices based on liquid crystals are very familiar to those skilled in the art and can be based on various effects. Devices of this class are, for example, cells with dynamic scattering, DAP cells (deformed-aligned phase), guest / host cells, TN cells with a twisted nematic structure, STN cells ("super twisted nematic"), SBE box ("Super Birefringence Effect") and OMI box ("Optical Mode Interference"). The most commonly used display devices are based on the Schadt-Helfrich effect and have a twisted nematic structure. [0003] Liquid crystal materials must have good chemical and thermal stability and good stabili...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09K19/42C09K19/20C09K19/30C09K19/08C09K19/12G02F1/133G02F1/1333
CPCC09K19/08C09K19/12C09K19/20C09K19/30C09K19/42G02F1/134363G02F1/13471C09K2019/3004C09K2019/124G02F1/134372C09K19/2007C09K19/52C09K2019/0448C09K2019/0466C09K2019/123C09K2019/301C09K2019/3012C09K2019/3019C09K2019/3021C09K2019/3025C09K2019/3042C09K2019/308C09K2019/3422C09K19/44C09K19/3003C09K19/3402G02F1/1393G02F1/1396G02F1/1395G02B30/24C09K19/3066C09K19/54C09K19/542C09K2019/548G02F1/137
Inventor H·赫施曼M·维特克R·西格尔B·舒勒M·温德赫斯特C·霍克V·莱芬拉斯
Owner MERCK PATENT GMBH