Liquid crystal composition and liquid crystal display element
A technology of liquid crystal composition and compound, which is applied in the direction of liquid crystal materials, instruments, chemical instruments and methods, etc., which can solve the problems of inability to balance response speed and reliability, and achieve the effects of less display defects, fast response speed, and high VHR
Active Publication Date: 2019-03-05
DIC CORP
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Problems solved by technology
[0006]However, none of the liquid crystal compositions can balance the response speed and reliability especially required by large liquid crystal display elements
[0007] In addition, in Patent Document 2, it is disclosed that the response speed of the vertical alignment liquid crystal cell is improved by using a liquid crystal material with a large index shown in (Formula 1), but can not be said to be fully satisfied
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[0190]Hereinafter, the present invention will be described in more detail by citing examples, but the present invention is not limited to these examples. In addition, "%" in the composition of a following Example and a comparative example means "mass %". The following abbreviations are used for descriptions of compounds in Examples.
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Abstract
The invention provides a liquid crystal composition and a liquid crystal display element. An object of the present invention is to provide a liquid crystal composition having a negative dielectric anisotropy (delta epsilon), a high TNI, a large delta n, a small gamma 1, a large K33, and a small gamma 1 / K33. Further, there is provided a VA type or FFS type or IPS type liquid crystal display elementwhich has a fast response speed, has a high VHR, and has little or no display failure using the liquid crystal composition. The liquid crystal composition of the present invention solves the above problems by a liquid crystal composition containing a compound of the formula (SA).
Description
technical field [0001] The present invention relates to a liquid crystal composition and a liquid crystal display element using the same. Background technique [0002] Liquid crystal display devices are used in various household electrical appliances such as clocks and calculators, measuring equipment, automotive panels, word processors, electronic notebooks, printers, computers, televisions, and the like. Representative examples of liquid crystal display methods include TN (twisted nematic) type, STN (super twisted nematic) type, DS (dynamic light scattering) type, GH (guest-host) type, IPS (in-plane switching) type, and OCB type. (Optically Compensated Birefringence) type, ECB (Voltage Controlled Birefringence) type, VA (Vertical Alignment) type, CSH (Color Super Vertical Alignment) type, or FLC (Ferroelectric Liquid Crystal) or the like. In addition, examples of the driving method include static driving, multiplex driving, simple matrix method, and active matrix (AM) met...
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IPC IPC(8): C09K19/44G02F1/1333
CPCG02F1/1333C09K19/44
Inventor 须藤豪姜求龙橘内崇山本淳子
Owner DIC CORP
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