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Liquid crystal composition and bistable liquid crystal dimming device applying same

A liquid crystal composition and compound technology, applied in liquid crystal materials, optics, instruments, etc., can solve problems such as limited application, narrow working temperature range, etc., and achieve the effects of increasing value, widening working temperature range, and improving clearing point

Active Publication Date: 2021-07-30
JIANGSU JICUI INTELLIGENT LCD TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The main purpose of this application is to solve the problem that the current bistable liquid crystal dimming device has a narrow operating temperature range, which limits its application in outdoor scenes, and provides a liquid crystal composition and a bistable liquid crystal dimming device using it

Method used

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  • Liquid crystal composition and bistable liquid crystal dimming device applying same
  • Liquid crystal composition and bistable liquid crystal dimming device applying same
  • Liquid crystal composition and bistable liquid crystal dimming device applying same

Examples

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Embodiment 1

[0161]

Embodiment 2

[0163]

Embodiment 3

[0165]

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Abstract

The invention relates to a liquid crystal composition comprising four compounds with different structural formulas and chiral compounds, wherein the four compounds with different structural formulas are at least one selected from a compound represented by a general formula I, at least one selected from a compound represented by a general formula II, at least one selected from a compound represented by a general formula III and at least one selected from a compound represented by a general formula IV respectively. By optimizing the content of each component in the liquid crystal composition, the clearing point is improved while the N-TB phase change point is reduced, the bistable liquid crystal dimming device prepared from the liquid crystal composition is provided, the working temperature range of the bistable liquid crystal dimming device is widened, and the value of the bistable liquid crystal dimming device in practical application is improved.

Description

technical field [0001] The invention relates to the technical field of liquid crystal display, in particular to a liquid crystal composition and a bistable liquid crystal dimming device using the same. Background technique [0002] With the improvement of architectural concepts, the function of traditional glass is relatively single, which can no longer meet the unprecedented new requirements of modern buildings in terms of resource utilization, energy conservation and environmental protection, intelligent control, and health benefits. Intelligent liquid crystal dimming glass, through the action of electric field, changes the transmittance of glass light and the clarity of visual objects, so as to effectively control the entry of ultraviolet rays and infrared rays, and switch between clear and foggy states, thereby achieving energy saving and environmental protection. The role of privacy protection has caused extensive research in the industry. [0003] At present, the type...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09K19/44G02F1/139
CPCC09K19/44G02F1/1391C09K19/586C09K19/588C09K2019/0448G02F1/13718
Inventor 沈文晴张宏伟李莉唐建华沈喜妹
Owner JIANGSU JICUI INTELLIGENT LCD TECH CO LTD
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