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Title:
LIQUID-CRYSTAL DISPLAY ELEMENT AND DISPLAY DEVICE
Document Type and Number:
WIPO Patent Application WO/2018/025974
Kind Code:
A1
Abstract:
The present invention provides a liquid-crystal display element having properties such as a wide temperature range where the element is usable, a short response time, a high voltage holding ratio, a low threshold voltage, a high contrast ratio, and a long life. The liquid-crystal display element of the present invention comprises a first substrate, a plurality of pixel electrodes formed on the first substrate, a second substrate, counter electrodes formed on the second substrate and facing the pixel electrodes, a liquid-crystal layer present between the pixel electrodes and the counter electrodes and comprising a liquid-crystal composition, and alignment control layers constituted of a polymer comprising an aligning monomer, which was a component of the liquid-crystal composition, and formed respectively on the first-substrate side and the second substrate side. The aligning monomer is a polymerizable polar compound comprising both a mesogen moiety constituted of at least one ring and a polar group. Due to this, the alignment control layers in the liquid-crystal display element of the present invention can perpendicularly align the liquid-crystal compound contained in the liquid-crystal composition, without the necessity of forming an alignment film.

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Inventors:
KATANO YUKO (JP)
KONDO FUMITAKA (JP)
OGITA KAZUHIRO (JP)
ENDOU HIROSHI (JP)
Application Number:
PCT/JP2017/028326
Publication Date:
February 08, 2018
Filing Date:
August 03, 2017
Export Citation:
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Assignee:
JNC CORP (JP)
JNC PETROCHEMICAL CORP (JP)
International Classes:
C09K19/54; C09K19/12; C09K19/14; C09K19/18; C09K19/20; C09K19/30; C09K19/32; C09K19/34; G02F1/1337
Domestic Patent References:
WO2016114093A12016-07-21
Foreign References:
JP2015163908A2015-09-10
JP6070973B12017-02-01
Attorney, Agent or Firm:
MIYAGAWA, Teiji et al. (JP)
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