公开(公告)号：US20180142155A1

公开(公告)日：2018-05-24

申请号：US15579437

申请日：2016-06-09

Applicant: DIC Corporation

Inventor： Kazuki Kurisawa ,  Masanao Hayashi

IPC: C09K19/56 ,  C09K19/30 ,  G02F1/137 ,  G02F1/1341

CPC classification number: C09K19/56 ,  C09K19/30 ,  C09K19/3003 ,  C09K19/3066 ,  C09K19/54 ,  C09K2019/3004 ,  C09K2019/3009 ,  C09K2019/301 ,  C09K2019/3016 ,  G02F1/13 ,  G02F1/1337 ,  G02F1/133707 ,  G02F1/1341 ,  G02F1/134336 ,  G02F1/1368 ,  G02F1/137 ,  G02F2001/133742 ,  G02F2001/134345 ,  G02F2001/13775 ,  G02F2201/122 ,  G02F2201/123

Abstract: A liquid crystal display device which suppresses the occurrence of image sticking and dropping marks during manufacture without degrading the characteristics such as dielectric anisotropy, viscosity, nematic phase upper limit temperature, rotational viscosity (γ1), etc., and a method for manufacturing the liquid crystal display device are provided. The liquid crystal display device includes a liquid crystal layer which contains a liquid crystal composition and which is held between a substrate having a common electrode and a color filer and a substrate having a plurality of pixels and pixel electrodes of the respective pixels, wherein one or both of the substrates have, without having an alignment film, an alignment control layer formed by using one or more tri- or higher-functional (meth)acrylate compounds and one or more di- or mono-functional (meth)acrylate compounds. The liquid crystal display device is applied to a liquid crystal display device for liquid crystal TV or the like.

公开(公告)号：US20150299570A1

公开(公告)日：2015-10-22

申请号：US14395936

申请日：2013-04-18

Applicant: DIC CORPORATION

Inventor： Kazuki Kurisawa ,  Yoshikiyo Tanaka ,  Shotaro Kawakami

IPC: C09K19/34 ,  C09K19/54 ,  C09K19/30

CPC classification number: C09K19/3402 ,  C08F220/10 ,  C08F222/1006 ,  C09K19/2014 ,  C09K19/3001 ,  C09K19/3066 ,  C09K19/42 ,  C09K19/542 ,  C09K2019/0448 ,  C09K2019/122 ,  C09K2019/123 ,  C09K2019/3425 ,  C09K2019/548

Abstract: A polymerizable liquid crystal composition of the present invention contains at least two polymerizable compounds having different rates of polymerization reaction and a liquid crystal compound. The polymerizable liquid crystal composition is characterized in that the rate of polymerization reaction of the polymerizable compounds contained in the composition can be easily made suitable for the specification of a UV irradiation lamp, the pretilt angle, which affects the display performance, can be easily controlled, a problem of unpolymerization of polymerizable compounds, which affects display unevenness, image sticking, etc., can be solved, and thus a PSA liquid crystal display element having good performance and high reliability can be produced. The polymerizable liquid crystal composition is suitable as a practical liquid crystal composition.

Abstract translation: 本发明的可聚合液晶组合物含有至少两种具有不同聚合反应速率的可聚合化合物和液晶化合物。 可聚合液晶组合物的特征在于，组合物中包含的可聚合化合物的聚合反应速率可以容易地适合于UV照射灯的规格，可以容易地控制影响显示性能的预倾角 可以解决影响显示不均匀，图像残留等的可聚合化合物的未聚合的问题，因此可以生产出具有良好性能和高可靠性的PSA液晶显示元件。 聚合性液晶组合物适合作为实用的液晶组合物。

公开(公告)号：US20200172811A1

公开(公告)日：2020-06-04

申请号：US16625977

申请日：2018-07-12

Applicant: DIC Corporation

Inventor： Go Sudo ,  Haruki Ohishi ,  Shirou Taniguchi ,  Kazuki Kurisawa

IPC: C09K19/30

Abstract: A problem to be solved by the present invention is to provide a liquid crystal composition having negative dielectric anisotropy (Δε), large refractive index anisotropy (Δn), a high nematic phase-isotopic liquid phase transition temperature (TNI), a low solid phase-nematic phase transition temperature (TCN), sufficiently low rotational viscosity (γ1), and large elastic constant (K33), and also to provide a VA-mode, FFS-mode, or IPS-mode liquid crystal display device using the liquid crystal composition, satisfying a high response speed, high VHR, and excellent low-temperature storage stability, and having no or very few display defects. According to the liquid crystal composition of the present invention, the problem is solved by a liquid crystal composition containing compounds represented by general formula (S1), general formula (S2), and general formula (S3).

公开(公告)号：US20180134961A1

公开(公告)日：2018-05-17

申请号：US15580373

申请日：2016-06-28

Applicant: DIC Corporation

Inventor： Kazuki Kurisawa ,  Haruki Ohishi

IPC: C09K19/34 ,  C09K19/30 ,  G02F1/1347 ,  G02B27/22

CPC classification number: C09K19/3402 ,  C09K19/12 ,  C09K19/3003 ,  C09K19/3068 ,  C09K2019/0466 ,  C09K2019/123 ,  C09K2019/181 ,  C09K2019/3004 ,  C09K2019/3009 ,  C09K2019/301 ,  C09K2019/3019 ,  C09K2019/3025 ,  C09K2019/3063 ,  C09K2019/3075 ,  C09K2019/3077 ,  C09K2019/3078 ,  C09K2019/3422 ,  G02B27/225 ,  G02F1/133514 ,  G02F1/1339 ,  G02F1/1347 ,  G02F1/29 ,  G02F2202/023

Abstract: An object of the present invention is to provide a composition that realizes high Δn, has a wide liquid crystal phase temperature range, small viscosity, excellent low-temperature solubility, and high resistivity and voltage holding ratio, and is stable against heat and light, and to provide a liquid crystal composition having an excellent lens effect and excellent chemical stability using the composition, and a liquid crystal display device and a liquid crystal lens that use the liquid crystal composition. The present invention provides a liquid crystal composition that contains one or two or more compounds represented by general formula (i) and one or two or more compounds represented by general formula (ii), a liquid crystal display device using the liquid crystal composition, a liquid crystal lens using the liquid crystal composition, and a birefringence lens for stereoscopic image display using the liquid crystal composition.

公开(公告)号：US20170321122A1

公开(公告)日：2017-11-09

申请号：US15659759

申请日：2017-07-26

Applicant: DIC CORPORATION

Inventor： Kazuki Kurisawa ,  Masanao Hayashi ,  Shinji Ogawa

IPC: C09K19/54 ,  C09K19/18 ,  C09K19/20 ,  C09K19/30 ,  C09K19/32 ,  G02F1/1337 ,  C09K19/36 ,  C08F220/10 ,  G02F1/1335 ,  G02F1/1341 ,  C08F230/08 ,  C09K19/04 ,  C09K19/12 ,  G02F1/1333

CPC classification number: C09K19/54 ,  C08F220/10 ,  C08F230/08 ,  C09K19/18 ,  C09K19/2014 ,  C09K19/3003 ,  C09K19/32 ,  C09K19/322 ,  C09K19/36 ,  C09K2019/0448 ,  C09K2019/122 ,  C09K2019/183 ,  C09K2019/3004 ,  C09K2019/3009 ,  C09K2019/301 ,  C09K2019/3016 ,  G02F1/133514 ,  G02F1/133707 ,  G02F1/133711 ,  G02F1/133788 ,  G02F1/1341 ,  G02F2001/133357 ,  G02F2001/133397

Abstract: A liquid crystal display device which enables reductions in image sticking and droplet stains caused in production thereof without degradation of properties such as dielectric anisotropy, viscosity, the upper limit of the temperature of nematic phase, and rotational viscosity (γ1); and a method for manufacturing such a liquid crystal display device. The liquid crystal display device is characterized in that a liquid crystal layer containing a liquid crystal composition is disposed between a substrate provided with a common electrode and a color filter layer and another substrate provided with a plurality of pixels each having a pixel electrode, each of the substrates is not provided with an alignment film but provided with an orientation controlling layer composed of at least two polymerizable compounds, each of the pixels has two or more regions having different directions of pretilt, and the liquid crystal composition contains a compound represented by General Formula (I) and a compound represented by General Formula (II).

公开(公告)号：US09464229B2

公开(公告)日：2016-10-11

申请号：US14405057

申请日：2013-10-02

Applicant: DIC CORPORATION

Inventor： Kazuki Kurisawa ,  Shinji Ogawa ,  Yoshinori Iwashita

IPC: C09K19/12 ,  C09K19/30 ,  G02F1/1337 ,  G02F1/1362 ,  C09K19/42 ,  C09K19/44 ,  G02F1/1343 ,  G02F1/1368 ,  G02F1/137

CPC classification number: C09K19/3003 ,  C09K19/42 ,  C09K19/44 ,  C09K2019/122 ,  C09K2019/123 ,  C09K2019/3004 ,  C09K2019/3009 ,  C09K2019/301 ,  C09K2019/3016 ,  C09K2019/3027 ,  G02F1/1337 ,  G02F1/134309 ,  G02F1/13439 ,  G02F1/136286 ,  G02F1/1368 ,  G02F2001/133738 ,  G02F2001/134372 ,  G02F2001/13712

Abstract: There is provided an FFS mode liquid crystal display device that uses a liquid crystal composition which has a negative dielectric anisotropy and can achieve good display properties by being used for FFS mode liquid crystal display devices without degrading the image sticking property of display devices and various properties of liquid crystal display devices, such as dielectric anisotropy, viscosity, nematic phase upper limit temperature, low-temperature nematic phase stability, and γ1. The liquid crystal composition contains at least one compound selected from the group of compounds represented by general formula (I) below, at least one compound selected from the group of compounds represented by general formula (II) below, and at least one compound selected from the group of compounds represented by general formula (III) below.

公开(公告)号：US20160060522A1

公开(公告)日：2016-03-03

申请号：US14405057

申请日：2013-10-02

Applicant: DIC CORPORATION

Inventor： Kazuki Kurisawa ,  Shinji Ogawa ,  Yoshinori Iwashita

IPC: C09K19/30 ,  G02F1/1337 ,  G02F1/1368 ,  G02F1/1343 ,  G02F1/1362

CPC classification number: C09K19/3003 ,  C09K19/42 ,  C09K19/44 ,  C09K2019/122 ,  C09K2019/123 ,  C09K2019/3004 ,  C09K2019/3009 ,  C09K2019/301 ,  C09K2019/3016 ,  C09K2019/3027 ,  G02F1/1337 ,  G02F1/134309 ,  G02F1/13439 ,  G02F1/136286 ,  G02F1/1368 ,  G02F2001/133738 ,  G02F2001/134372 ,  G02F2001/13712

Abstract: There is provided an FFS mode liquid crystal display device that uses a liquid crystal composition which has a negative dielectric anisotropy and can achieve good display properties by being used for FFS mode liquid crystal display devices without degrading the image sticking property of display devices and various properties of liquid crystal display devices, such as dielectric anisotropy, viscosity, nematic phase upper limit temperature, low-temperature nematic phase stability, and γ1. The liquid crystal composition contains at least one compound selected from the group of compounds represented by general formula (I) below, at least one compound selected from the group of compounds represented by general formula (II) below, and at least one compound selected from the group of compounds represented by general formula (III) below.

Abstract translation: 提供一种FFS模式液晶显示装置，其使用具有负介电各向异性的液晶组合物，并且通过用于FFS模式液晶显示装置可以获得良好的显示特性，而不会降低显示装置的图像残留性和各种性能 液晶显示装置，如介电各向异性，粘度，向列相上限温度，低温向列相稳定性和γ1。 液晶组合物含有选自下述通式（I）表示的化合物族群中的至少一种化合物，至少一种选自下述通式（II）表示的化合物的化合物和至少一种选自下列化合物的化合物： 由下述通式（III）表示的化合物组。