公开(公告)号：US20160187698A1

公开(公告)日：2016-06-30

申请号：US14910744

申请日：2014-08-04

Applicant: TOKYO UNIVERSITY OF SCIENCE FOUNDATION ,  DIC CORPORATION

Inventor： Shunsuke Kobayashi ,  Kiyofumi Takeuchi ,  Masakazu Kaneoya

IPC: G02F1/13363 ,  G02F1/1343 ,  G02F1/1335 ,  G02F1/1337

CPC classification number: G02F1/13363 ,  G02F1/133528 ,  G02F1/133711 ,  G02F1/134309 ,  G02F2001/133531 ,  G02F2001/133562 ,  G02F2001/133567 ,  G02F2001/133742 ,  G02F2413/01 ,  G02F2413/02 ,  G02F2413/05 ,  G02F2413/08

Abstract: In a liquid crystal display device 1 including a liquid crystal cell 2 having a liquid crystal layer, a first polarization plate 3 and a second polarization plate 4, and an optical compensation plate 5, when a differential coefficient of the amount of transmitted light I1 with respect to a time t when the driving voltage is turned off from on in a case in which the optical compensation plate 5 is not disposed is represented by ∂I1/∂t, and a differential coefficient of the amount of transmitted light I2 with respect to the time t when the driving voltage is turned off from on in a case in which the optical compensation plate 5 is disposed is represented by ∂I2/∂t, a phase difference in the liquid crystal layer and a phase difference in the optical compensation plate 5 are optically designed to satisfy a relationship of |∂I2/∂t|>|∂I1/∂t.

Abstract translation: 在包括具有液晶层的液晶单元2，第一偏振板3和第二偏振板4以及光学补偿板5的液晶显示装置1中，当透射光量I 1与 在没有配置光学补偿板5的情况下驱动电压关闭时的时间t表示为∂I1/∂t，透射光量I2的微分系数相对于 在配置光学补偿板5的情况下，驱动电压为ON时的时间t由∂I2/∂t表示，液晶层的相位差和光学补偿板的相位差 5被光学设计以满足|∂I2/∂t|> |∂I1/∂t的关系。

公开(公告)号：US09575363B2

公开(公告)日：2017-02-21

申请号：US14910744

申请日：2014-08-04

Applicant: TOKYO UNIVERSITY OF SCIENCE FOUNDATION ,  DIC CORPORATION

Inventor： Shunsuke Kobayashi ,  Kiyofumi Takeuchi ,  Masakazu Kaneoya

IPC: G02F1/13363 ,  G02F1/1335 ,  G02F1/1337 ,  G02F1/1343

CPC classification number: G02F1/13363 ,  G02F1/133528 ,  G02F1/133711 ,  G02F1/134309 ,  G02F2001/133531 ,  G02F2001/133562 ,  G02F2001/133567 ,  G02F2001/133742 ,  G02F2413/01 ,  G02F2413/02 ,  G02F2413/05 ,  G02F2413/08

Abstract: In a liquid crystal display device 1 including a liquid crystal cell 2 having a liquid crystal layer, a first polarization plate 3 and a second polarization plate 4, and an optical compensation plate 5, when a differential coefficient of the amount of transmitted light I1 with respect to a time t when the driving voltage is turned off from on in a case in which the optical compensation plate 5 is not disposed is represented by ∂I1/∂t, and a differential coefficient of the amount of transmitted light I2 with respect to the time t when the driving voltage is turned off from on in a case in which the optical compensation plate 5 is disposed is represented by ∂I2/∂t, a phase difference in the liquid crystal layer and a phase difference in the optical compensation plate 5 are optically designed to satisfy a relationship of |∂I2/∂t|>|∂I1/∂t|.

Abstract translation: 在包括具有液晶层的液晶单元2，第一偏振板3和第二偏振板4以及光学补偿板5的液晶显示装置1中，当透射光量I 1与 在没有配置光学补偿板5的情况下驱动电压关闭时的时间t表示为∂I1/∂t，透射光量I2的微分系数相对于 在配置光学补偿板5的情况下，驱动电压为ON时的时间t由∂I2/∂t表示，液晶层的相位差和光学补偿板的相位差 5被光学设计以满足|∂I2/∂t|> |∂I1/∂t|的关系。

公开(公告)号：US09442321B2

公开(公告)日：2016-09-13

申请号：US14649379

申请日：2013-11-26

Applicant: DIC CORPORATION

Inventor： Masakazu Kaneoya ,  Kiyofumi Takeuchi ,  Seiji Funakura ,  Isao Oshiumi ,  Katsunori Shimada

IPC: C09K19/60 ,  G02F1/1335 ,  C09K19/32 ,  C09K19/20 ,  C09K19/54 ,  G02F1/13 ,  C09K19/04 ,  C09K19/12 ,  C09K19/30 ,  C09K19/52

CPC classification number: G02F1/133514 ,  C09K19/2014 ,  C09K19/3001 ,  C09K19/3066 ,  C09K19/322 ,  C09K19/542 ,  C09K19/60 ,  C09K2019/0448 ,  C09K2019/0466 ,  C09K2019/122 ,  C09K2019/123 ,  C09K2019/3004 ,  C09K2019/301 ,  C09K2019/3016 ,  C09K2019/3021 ,  C09K2019/3036 ,  C09K2019/3037 ,  C09K2019/304 ,  C09K2019/523 ,  G02F1/13 ,  G02F1/133512

Abstract: There is provided a liquid crystal display apparatus that may limit a reduction in the voltage holding ratio (VHR) of a liquid crystal layer and limit an increase in the ion density (ID) in the liquid crystal layer and address issues of faulty display such as white missing pixels, alignment inconsistencies, and burn-in. The liquid crystal display apparatus includes a first substrate, a second substrate, a liquid crystal composition layer held between the first substrate and the second substrate, a color filter including a black matrix and at least RGB three-color pixel portions, a pixel electrode, and a common electrode. The liquid crystal composition layer is composed of a liquid crystal composition including one or more compounds represented by General Formula (LC1).

公开(公告)号：US20150309361A1

公开(公告)日：2015-10-29

申请号：US14649379

申请日：2013-11-26

Applicant: DIC CORPORATION

Inventor： Masakazu Kaneoya ,  Kiyofumi Takeuchi ,  Seiji Funakura ,  Isao Oshiumi ,  Katsunori Shimada

IPC: G02F1/1335 ,  C09K19/54 ,  C09K19/30

CPC classification number: G02F1/133514 ,  C09K19/2014 ,  C09K19/3001 ,  C09K19/3066 ,  C09K19/322 ,  C09K19/542 ,  C09K19/60 ,  C09K2019/0448 ,  C09K2019/0466 ,  C09K2019/122 ,  C09K2019/123 ,  C09K2019/3004 ,  C09K2019/301 ,  C09K2019/3016 ,  C09K2019/3021 ,  C09K2019/3036 ,  C09K2019/3037 ,  C09K2019/304 ,  C09K2019/523 ,  G02F1/13 ,  G02F1/133512

Abstract: There is provided a liquid crystal display apparatus that may limit a reduction in the voltage holding ratio (VHR) of a liquid crystal layer and limit an increase in the ion density (ID) in the liquid crystal layer and address issues of faulty display such as white missing pixels, alignment inconsistencies, and burn-in. Having a feature of limiting a reduction in the VHR of a liquid crystal layer and limiting an increase in an ion density (ID) in the liquid crystal layer and thereby reducing occurrence of faulty display such as burn-in, the liquid crystal display apparatus according to the present invention may be particularly suitably used as a VA-mode or PSVA-mode liquid crystal display apparatus for active-matrix driving and may be used as a liquid crystal display apparatus included in a liquid crystal TV, a monitor, a mobile phone, a smart phone, or the like.

Abstract translation: 提供一种液晶显示装置，其可以限制液晶层的电压保持率（VHR）的降低，并限制液晶层中的离子密度（ID）的增加，并解决诸如 白色缺少像素，对齐不一致和老化。 具有限制液晶层的VHR的降低并限制液晶层中的离子密度（ID）增加的特征，从而减少诸如老化的故障显示的发生，液晶显示装置根据 本发明可以特别适合用作用于有源矩阵驱动的VA模式或PSVA模式液晶显示装置，并且可以用作包括在液晶电视，监视器，移动电话中的液晶显示装置 ，智能手机等。

公开(公告)号：US20150184076A1

公开(公告)日：2015-07-02

申请号：US14419308

申请日：2013-07-24

Applicant: DIC CORPORATION

Inventor： Masakazu Kaneoya ,  Kiyofumi Takeuchi ,  Masashi Osawa ,  Kenta Tojo ,  Tetsuo Kusumoto

IPC: C09K19/34 ,  G02F1/137 ,  G02F1/1337

CPC classification number: C09K19/3402 ,  C09K19/20 ,  C09K19/322 ,  C09K19/44 ,  C09K2019/0448 ,  C09K2019/0466 ,  C09K2019/122 ,  C09K2019/123 ,  C09K2019/124 ,  C09K2019/3004 ,  C09K2019/301 ,  C09K2019/3012 ,  C09K2019/3016 ,  C09K2019/3019 ,  C09K2019/3025 ,  C09K2019/3422 ,  G02F1/1337 ,  G02F1/133723 ,  G02F1/137 ,  G02F2001/13706 ,  Y10T428/10 ,  Y10T428/1005 ,  Y10T428/1018 ,  Y10T428/1023

Abstract: A liquid crystal composition exhibits a positive dielectric anisotropy and sufficiently low viscosity without decreasing or increasing refractive index anisotropy or nematic phase-isotropic liquid phase transition temperature, and does not cause display failures. The liquid crystal composition contains one or more compounds selected from compounds represented by general formula (LC0) and one or more compounds selected from a group of compounds represented by general formula (LC1) to general formula (LC5), in which the liquid crystal composition contains one or more compounds in which at least one of A01, A02, and A11 to A42 in general formulae (LC0) to (LC4) represents a tetrahydropyran-2,5-diyl group.

Abstract translation: 液晶组合物在不降低或增加折射率各向异性或向列相各向同性液体相变温度的情况下表现出正的介电各向异性和足够低的粘度，并且不会引起显示故障。 液晶组合物含有一种或多种选自通式（LCO）表示的化合物和选自通式（LC1）至通式（LC5）表示的化合物的一种或多种化合物的化合物，其中液晶组合物 含有一种或多种化合物，其中通式（LCO）至（LC4）中的A01，A02和A11至A42中的至少一个表示四氢吡喃-2,5-二基。

公开(公告)号：US08860912B2

公开(公告)日：2014-10-14

申请号：US14115050

申请日：2013-01-29

Applicant: DIC Corporation

Inventor： Masakazu Kaneoya ,  Kiyofumi Takeuchi ,  Akira Kimura ,  Seiji Funakura ,  Katsunori Shimada

IPC: G02F1/1335 ,  G02F1/1343 ,  C09K19/20 ,  C09K19/30 ,  C09K19/32 ,  C09K19/12 ,  C09K19/38

CPC classification number: G02F1/133514 ,  C09K19/20 ,  C09K19/322 ,  C09K19/42 ,  C09K2019/0448 ,  C09K2019/0466 ,  C09K2019/123 ,  C09K2019/3004 ,  C09K2019/3009 ,  C09K2019/301 ,  C09K2019/3016 ,  C09K2019/3021 ,  C09K2019/3037 ,  C09K2019/304 ,  C09K2019/3075 ,  C09K2019/3078 ,  C09K2019/3425 ,  C09K2019/521 ,  G02B5/201

Abstract: There is provided a liquid crystal display device capable of preventing a decrease in voltage holding ratio (VHR) of a liquid crystal layer and an increase in ion density (ID) and resolving the problem of display defects such as white spots, alignment unevenness, image sticking, and the like. The liquid crystal display device prevents a decrease in voltage holding ratio (VHR) of a liquid crystal layer and an increase in ion density (ID) and suppressing the occurrence of display defects such as image sticking and the like. The liquid crystal display device is thus useful for a VA-mode or PSVA-mode liquid crystal display device for active matrix driving. The application of the device includes liquid crystal display devices such as liquid crystal TVs, monitors, cellular phones, and smart phones.

Abstract translation: 提供了一种能够防止液晶层的电压保持率（VHR）降低和离子密度（ID）增加的液晶显示装置，并且解决了诸如白点，取向不均匀性，图像等显示缺陷的问题 粘贴等。 液晶显示装置防止液晶层的电压保持率（VHR）的降低和离子密度（ID）的增加，并且抑制诸如图像残留等的显示缺陷的发生。 因此，液晶显示装置对于用于有源矩阵驱动的VA模式或PSVA模式液晶显示装置是有用的。 该装置的应用包括诸如液晶电视，监视器，蜂窝电话和智能电话的液晶显示装置。

公开(公告)号：US20140211138A1

公开(公告)日：2014-07-31

申请号：US14115050

申请日：2013-01-29

Applicant: DIC CORPORATION

Inventor： Masakazu Kaneoya ,  Kiyofumi Takeuchi ,  Akira Kimura ,  Seiji Funakura ,  Katsunori Shimada

IPC: G02F1/1335

CPC classification number: G02F1/133514 ,  C09K19/20 ,  C09K19/322 ,  C09K19/42 ,  C09K2019/0448 ,  C09K2019/0466 ,  C09K2019/123 ,  C09K2019/3004 ,  C09K2019/3009 ,  C09K2019/301 ,  C09K2019/3016 ,  C09K2019/3021 ,  C09K2019/3037 ,  C09K2019/304 ,  C09K2019/3075 ,  C09K2019/3078 ,  C09K2019/3425 ,  C09K2019/521 ,  G02B5/201

Abstract: There is provided a liquid crystal display device capable of preventing a decrease in voltage holding ratio (VHR) of a liquid crystal layer and an increase in ion density (ID) and resolving the problem of display defects such as white spots, alignment unevenness, image sticking, and the like. The liquid crystal display device prevents a decrease in voltage holding ratio (VHR) of a liquid crystal layer and an increase in ion density (ID) and suppressing the occurrence of display defects such as image sticking and the like. The liquid crystal display device is thus useful for a VA-mode or PSVA-mode liquid crystal display device for active matrix driving. The application of the device includes liquid crystal display devices such as liquid crystal TVs, monitors, cellular phones, and smart phones.

Abstract translation: 提供了一种能够防止液晶层的电压保持率（VHR）降低和离子密度（ID）增加的液晶显示装置，并且解决了诸如白点，取向不均匀性，图像等显示缺陷的问题 粘贴等。 液晶显示装置防止液晶层的电压保持率（VHR）的降低和离子密度（ID）的增加，并且抑制诸如图像残留等的显示缺陷的发生。 因此，液晶显示装置对于用于有源矩阵驱动的VA模式或PSVA模式液晶显示装置是有用的。 该装置的应用包括诸如液晶电视，监视器，蜂窝电话和智能电话的液晶显示装置。

公开(公告)号：US10544365B2

公开(公告)日：2020-01-28

申请号：US14912262

申请日：2014-08-21

Applicant: DIC Corporation

Inventor： Masakazu Kaneoya ,  Kiyofumi Takeuchi ,  Masashi Osawa ,  Kenta Tojo ,  Tetsuo Kusumoto

IPC: G02F1/1333 ,  C09K19/34 ,  C09K19/30 ,  C09K19/32 ,  C07C43/247 ,  C07D309/04 ,  C07D319/06 ,  C09K19/02 ,  C09K19/54 ,  C09K19/56 ,  G02F1/1337 ,  C09K19/12 ,  C09K19/04 ,  G02F1/00

Abstract: A liquid crystal composition that has a positive dielectric anisotropy and a sufficiently low viscosity and that causes no display defects when used in liquid crystal display devices is provided without decreasing or increasing the refractive index anisotropy or nematic phase-isotropic liquid phase transition temperature. This liquid crystal composition contains at least one compound selected from compounds represented by general formula (LC0) and at least one compound selected from the group consisting of compounds represented by general formulas (LC1) to (LC5). This liquid crystal composition can be used to provide a reliable liquid crystal display device capable of maintaining a high voltage-holding ratio at high temperatures. This liquid crystal display device is highly practical as a liquid crystal display and is effective in achieving quick response without significantly decreasing the cell gap.

公开(公告)号：US09120968B2

公开(公告)日：2015-09-01

申请号：US14350227

申请日：2013-07-18

Applicant: DIC CORPORATION

Inventor： Masakazu Kaneoya ,  Kiyofumi Kateuchi ,  Seiji Funakura ,  Katsunori Shimada

IPC: C09K19/30 ,  C09K19/42 ,  G02B5/20 ,  C09K19/32 ,  C09K19/58 ,  G02F1/1335 ,  C09K19/04 ,  C09K19/12 ,  C09K19/34 ,  C09K19/52

CPC classification number: C09K19/3066 ,  C09K19/3068 ,  C09K19/322 ,  C09K19/3402 ,  C09K19/42 ,  C09K19/582 ,  C09K2019/0407 ,  C09K2019/0448 ,  C09K2019/0466 ,  C09K2019/122 ,  C09K2019/123 ,  C09K2019/3009 ,  C09K2019/301 ,  C09K2019/3016 ,  C09K2019/3021 ,  C09K2019/3027 ,  C09K2019/3036 ,  C09K2019/3037 ,  C09K2019/3425 ,  C09K2019/523 ,  G02B5/20 ,  G02B5/201 ,  G02F1/133512 ,  G02F1/133514 ,  G02F1/133516

Abstract: The present invention provides a liquid crystal display device that allows a reduction in a voltage holding ratio (VHR) of a liquid crystal layer and an increase in an ion density (ID) in the liquid crystal layer to be suppressed and thereby addresses issues of faulty display such as white missing pixels, alignment inconsistencies, and burn-in. The liquid crystal display device according to the present invention, having a feature of suppressing the reduction in a voltage holding ratio (VHR) and the increase in an ion density (ID) in a liquid crystal layer and thereby suppressing occurrence of faulty display such as burn-in, is particularly useful as VA-mode and PSVA-mode liquid crystal display devices for active-matrix driving and may be used for liquid crystal display devices such as a liquid crystal TV, a monitor, a mobile phone, and a smart phone.

Abstract translation: 本发明提供一种液晶显示装置，其能够抑制液晶层的电压保持率（VHR）的降低和液晶层的离子密度（ID）的增加，从而解决了故障的问题 显示如白色缺失像素，对齐不一致和老化。 根据本发明的液晶显示装置，具有抑制液晶层中的电压保持率（VHR）的降低和离子密度（ID）的增加的特征，从而抑制诸如 老化对于有源矩阵驱动的VA模式和PSVA模式液晶显示装置是特别有用的，并且可以用于液晶显示装置，例如液晶电视，监视器，移动电话和智能 电话。

公开(公告)号：US09605208B2

公开(公告)日：2017-03-28

申请号：US14419308

申请日：2013-07-24

Applicant: DIC CORPORATION

Inventor： Masakazu Kaneoya ,  Kiyofumi Takeuchi ,  Masashi Osawa ,  Kenta Tojo ,  Tetsuo Kusumoto

IPC: C09K19/00 ,  C09K19/34 ,  C09K19/20 ,  C09K19/32 ,  C09K19/44 ,  G02F1/1337 ,  G02F1/137 ,  C09K19/04 ,  C09K19/12 ,  C09K19/30

CPC classification number: C09K19/3402 ,  C09K19/20 ,  C09K19/322 ,  C09K19/44 ,  C09K2019/0448 ,  C09K2019/0466 ,  C09K2019/122 ,  C09K2019/123 ,  C09K2019/124 ,  C09K2019/3004 ,  C09K2019/301 ,  C09K2019/3012 ,  C09K2019/3016 ,  C09K2019/3019 ,  C09K2019/3025 ,  C09K2019/3422 ,  G02F1/1337 ,  G02F1/133723 ,  G02F1/137 ,  G02F2001/13706 ,  Y10T428/10 ,  Y10T428/1005 ,  Y10T428/1018 ,  Y10T428/1023

Abstract: A liquid crystal composition exhibits a positive dielectric anisotropy and sufficiently low viscosity without decreasing or increasing refractive index anisotropy or nematic phase-isotropic liquid phase transition temperature, and does not cause display failures. The liquid crystal composition contains one or more compounds selected from compounds represented by general formula (LC0) and one or more compounds selected from a group of compounds represented by general formula (LC1) to general formula (LC5), in which the liquid crystal composition contains one or more compounds in which at least one of A01, A02, and A11 to A42 in general formulae (LC0) to (LC4) represents a tetrahydropyran-2,5-diyl group.