公开(公告)号：US20210026206A1

公开(公告)日：2021-01-28

申请号：US17042303

申请日：2019-04-25

Applicant: DIC Corporation

Inventor： Kazuki Kurisawa ,  Yuichi Inoue

IPC: G02F1/1343 ,  G02F1/1337 ,  C09K19/32 ,  C09K19/12 ,  C09K19/34 ,  C09K19/30

Abstract: The present invention provides a liquid crystal display device that includes a first substrate having an electrode A formed thereon; a second substrate having an electrode B formed thereon and being disposed to oppose the first substrate; and a liquid crystal layer disposed between the first substrate and the second substrate and substantially vertically aligned with respect to the first and second substrates when no voltage is applied between electrodes, in which the electrode A has a fishbone pattern having a branched portion, and a space (S μm) between adjacent branches of branches of the fishbone pattern and an inter-substrate distance (d μm) between the first substrate and the second substrate satisfy a relationship of formula (1): (d−0.6)/1.25

公开(公告)号：US10287502B2

公开(公告)日：2019-05-14

申请号：US15150905

申请日：2016-05-10

Applicant: DIC CORPORATION

Inventor： Kazuki Kurisawa ,  Takeshi Kuriyama ,  Shotaro Kawakami

IPC: C09K19/20 ,  C09K19/54 ,  C09K19/12 ,  C09K19/34 ,  C09K19/32 ,  C09K19/30 ,  C09K19/56 ,  G02F1/1337 ,  C09K19/10 ,  G02F1/1333 ,  G02F1/1335 ,  G02F1/1341 ,  C09K19/04

Abstract: A liquid crystal composition containing a polymerizable compound of the present invention has excellent characteristics of being able to prepare a PSA type liquid crystal display element with no problem of depositing in a wide temperature range, having high polymerization speed, high liquid crystal alignment regulation force after polymerization, excellent display qualities with no display unevenness, and excellent display characteristics with no defects in display characteristics such as image sticking and is appropriate as a liquid crystal composition in a practical use. Further, the liquid crystal display element with the above-described liquid crystal composition can be appropriately used for a PSA type liquid crystal display element.

公开(公告)号：US11466211B2

公开(公告)日：2022-10-11

申请号：US14772564

申请日：2013-03-26

Applicant: DIC CORPORATION

Inventor： Kazuki Kurisawa ,  Shinji Ogawa ,  Yoshinori Iwashita

IPC: C09K19/30 ,  C09K19/44 ,  C09K19/12 ,  C09K19/54 ,  C09K19/04

Abstract: An object of the present invention is to provide a liquid crystal composition suitable for producing liquid crystal display elements which reduces the risk of the formation of droplet traces during production and allows a liquid crystal material to be ejected at a constant rate during an ODF process without deteriorating the properties of the liquid crystal display element, such as dielectric anisotropy, viscosity, nematic-phase upper-limit temperature, nematic-phase stability at a low temperature, and γ1, and the image sticking resistance of the display element, and a liquid crystal display element including the liquid crystal composition. Provided are a liquid crystal composition having a negative dielectric anisotropy, the liquid crystal composition including one or more compounds represented by General Formula (I), one or more compounds represented by General Formula (II), and the compound represented by Formula (IIIb-1) and a liquid crystal display element including the liquid crystal composition.

公开(公告)号：US10344214B2

公开(公告)日：2019-07-09

申请号：US15659759

申请日：2017-07-26

Applicant: DIC CORPORATION

Inventor： Kazuki Kurisawa ,  Masanao Hayashi ,  Shinji Ogawa

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

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：US11415840B2

公开(公告)日：2022-08-16

申请号：US17042303

申请日：2019-04-25

Applicant: DIC Corporation

Inventor： Kazuki Kurisawa ,  Yuichi Inoue

IPC: G02F1/1343 ,  C09K19/12 ,  C09K19/30 ,  C09K19/32 ,  C09K19/34 ,  G02F1/1337 ,  C09K19/04

Abstract: The present invention provides a liquid crystal display device that includes a first substrate having an electrode A formed thereon; a second substrate having an electrode B formed thereon and being disposed to oppose the first substrate; and a liquid crystal layer disposed between the first substrate and the second substrate and substantially vertically aligned with respect to the first and second substrates when no voltage is applied between electrodes, in which the electrode A has a fishbone pattern having a branched portion, and a space (S μm) between adjacent branches of branches of the fishbone pattern and an inter-substrate distance (d μm) between the first substrate and the second substrate satisfy a relationship of formula (1): (d−0.6)/1.25

公开(公告)号：US09719017B2

公开(公告)日：2017-08-01

申请号：US14765104

申请日：2014-01-30

Applicant: DIC CORPORATION

Inventor： Kazuki Kurisawa ,  Masanao Hayashi ,  Shinji Ogawa

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

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: There is provided 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 there is also provided 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：US20160251576A1

公开(公告)日：2016-09-01

申请号：US15150905

申请日：2016-05-10

Applicant: DIC CORPORATION

Inventor： Kazuki Kurisawa ,  Takeshi Kuriyama ,  Shotaro Kawakami

IPC: C09K19/54 ,  C09K19/10 ,  C09K19/34 ,  G02F1/1341 ,  G02F1/1333 ,  G02F1/1335 ,  G02F1/1337 ,  C09K19/12 ,  C09K19/20

CPC classification number: C09K19/542 ,  C09K19/10 ,  C09K19/12 ,  C09K19/20 ,  C09K19/3003 ,  C09K19/3028 ,  C09K19/3066 ,  C09K19/322 ,  C09K19/3402 ,  C09K19/3411 ,  C09K19/3483 ,  C09K19/56 ,  C09K2019/0448 ,  C09K2019/121 ,  C09K2019/122 ,  C09K2019/123 ,  C09K2019/3004 ,  C09K2019/3009 ,  C09K2019/301 ,  C09K2019/3016 ,  C09K2019/3036 ,  C09K2019/3037 ,  C09K2019/325 ,  C09K2019/3416 ,  C09K2019/3425 ,  C09K2019/548 ,  G02F1/133365 ,  G02F1/133528 ,  G02F1/133703 ,  G02F1/133723 ,  G02F1/133753 ,  G02F1/133788 ,  G02F1/1341 ,  G02F2001/133397 ,  G02F2001/133742 ,  G02F2001/133746 ,  G02F2001/133749 ,  G02F2202/022

Abstract: A liquid crystal composition containing a polymerizable compound of the present invention has excellent characteristics of being able to prepare a PSA type liquid crystal display element with no problem of depositing in a wide temperature range, having high polymerization speed, high liquid crystal alignment regulation force after polymerization, excellent display qualities with no display unevenness or the like, and excellent display characteristics with no defects in display characteristics such as image sticking and is appropriate as a liquid crystal composition in a practical use. Further, the liquid crystal display element with the above-described liquid crystal composition can be appropriately used for a PSA type liquid crystal display element.

Abstract translation: 含有本发明的聚合性化合物的液晶组合物具有能够制备PSA型液晶显示元件的特性，该PSA型液晶显示元件在宽温度范围内没有沉积问题，具有高聚合速度，高液晶取向调节力 聚合效果好，显示不均匀性优异的显示品质，显示特性优异，显示特性如图像残留不良，适用于实际应用中的液晶组合物。 此外，具有上述液晶组合物的液晶显示元件可以适用于PSA型液晶显示元件。

公开(公告)号：US20160017227A1

公开(公告)日：2016-01-21

申请号：US14772564

申请日：2013-03-26

Applicant: DIC CORPORATION

Inventor： Kazuki Kurisawa ,  Shinji Ogawa ,  Yoshinori Iwashita

IPC: C09K19/30 ,  C09K19/54

CPC classification number: C09K19/3003 ,  C09K19/44 ,  C09K19/542 ,  C09K2019/0448 ,  C09K2019/122 ,  C09K2019/123 ,  C09K2019/3004 ,  C09K2019/3009 ,  C09K2019/301 ,  C09K2019/3016 ,  C09K2019/3027 ,  C09K2019/548

Abstract: An object of the present invention is to provide a liquid crystal composition suitable for producing liquid crystal display elements which reduces the risk of the formation of droplet traces during production and allows a liquid crystal material to be ejected at a constant rate during an ODF process without deteriorating the properties of the liquid crystal display element, such as dielectric anisotropy, viscosity, nematic-phase upper-limit temperature, nematic-phase stability at a low temperature, and γ1, and the image sticking resistance of the display element, and a liquid crystal display element including the liquid crystal composition. Provided are a liquid crystal composition having a negative dielectric anisotropy, the liquid crystal composition including one or more compounds represented by General Formula (I), one or more compounds represented by General Formula (II), and the compound represented by Formula (IIIb-1) and a liquid crystal display element including the liquid crystal composition.

Abstract translation: 本发明的目的是提供一种液晶组合物，其适用于制造液晶显示元件，其在生产过程中降低了液滴迹线的形成风险，并且允许在ODF工艺期间以恒定速率喷射液晶材料而没有 劣化液晶显示元件的特性，如介电各向异性，粘度，向列相上限温度，低温下的向相相稳定性和γ1，以及显示元件的图像耐光性，以及液体 包括液晶组合物的晶体显示元件。 提供具有负介电各向异性的液晶组合物，该液晶组合物包含一种或多种由通式（I）表示的化合物，一种或多种由通式（II）表示的化合物和由式（IIIb- 1）和包含液晶组合物的液晶显示元件。

公开(公告)号：US10975304B2

公开(公告)日：2021-04-13

申请号：US15580373

申请日：2016-06-28

Applicant: DIC Corporation

Inventor： Kazuki Kurisawa ,  Haruki Ohishi

IPC: G02F1/1333 ,  C09K19/34 ,  C09K19/12 ,  G02B30/26 ,  G02F1/1347 ,  C09K19/30 ,  C09K19/18 ,  G02F1/29 ,  G02F1/1339 ,  C09K19/04 ,  G02F1/1335

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：US20200301213A1

公开(公告)日：2020-09-24

申请号：US16088694

申请日：2017-03-30

Applicant: DIC Corporation

Inventor： Shota Kosaka ,  Kazuki Kurisawa

IPC: G02F1/1337 ,  C09K19/44 ,  C09K19/30 ,  C09K19/14 ,  C09K19/56

Abstract: The liquid crystal display device including a liquid crystal layer between a first substrate and a second substrate, the first substrate having a common electrode and a color filter, the second substrate having a plurality of pixels and having a pixel electrode in each pixel, the liquid crystal layer containing a liquid crystal composition, wherein the liquid crystal display device has no alignment film on one or both of the first substrate and the second substrate, but has an alignment control layer formed of a polymer of two or more polymerizable compounds, and contains a compound represented by the general formula (III).