公开(公告)号：US10093857B2

公开(公告)日：2018-10-09

申请号：US15027646

申请日：2014-03-27

Applicant: DIC Corporation

Inventor： Shinichi Hirata ,  Hyobok Cha ,  Naomi Hatano ,  Tomoaki Hara ,  Yasuo Umezu

IPC: G02F1/1333 ,  C09K19/32 ,  C09K19/12 ,  C09K19/20 ,  C09K19/30 ,  C09K19/02 ,  C09K19/04

Abstract: There is provided a liquid crystal composition having the following properties without reductions in refractive index anisotropy (Δn) and nematic phase-isotropic liquid phase transition temperature (Tni): sufficiently small viscosity (η), sufficiently small rotational viscosity (γ1), a large elastic constant (K33), and negative dielectric anisotropy (Δε) with a large absolute value. There is also provided a liquid crystal display device of, for example, a VA type in which such a liquid crystal composition is used and which has a high response speed and excellent display quality with defective display being eliminated or reduced. The liquid crystal display device using the liquid crystal composition of the present invention is useful as an active-matrix liquid crystal display device and can be used in liquid crystal display devices of, for instance, a VA mode and PSVA mode.

公开(公告)号：US20160319191A1

公开(公告)日：2016-11-03

申请号：US14898544

申请日：2014-03-06

Applicant: DIC Corporation

Inventor： Shinichi Hirata ,  Go Sudo ,  Shotaro Kawakami

IPC: C09K19/32 ,  C09K19/02 ,  C09K19/54 ,  C09K19/30

CPC classification number: C09K19/322 ,  C09K19/0216 ,  C09K19/3003 ,  C09K19/44 ,  C09K19/542 ,  C09K2019/0444 ,  C09K2019/0448 ,  C09K2019/122 ,  C09K2019/123 ,  C09K2019/124 ,  C09K2019/3004 ,  C09K2019/3009 ,  C09K2019/301 ,  C09K2019/3016 ,  C09K2019/3027 ,  C09K2019/548 ,  G02F1/1393

Abstract: A task to be achieved by the present invention is to provide a liquid crystal composition which has a satisfactorily low solid phase-nematic phase transition temperature (Ton), a satisfactorily small viscosity (η), a satisfactorily small rotational viscosity (γ1), a large elastic constant (K33), and a negative dielectric anisotropy (Δε), the absolute value of which is large, without having lowered the refractive index anisotropy (Δn) and nematic phase-isotropic liquid phase transition temperature (Tni), and further to provide a liquid crystal display element of a VA mode or the like using the same, which has excellent display quality such that the element is free of or has suppressed a display failure, and which has high response speed. Provided are a liquid crystal composition comprising one kind or two or more kinds of compounds having an alkenyl side chain in the liquid crystal composition, wherein the total content of the compounds having an alkenyl side chain in the liquid crystal composition is from 5 to 100% by mass, and a liquid crystal display element using the same.

Abstract translation: 本发明要实现的任务是提供一种液晶组合物，其具有令人满意的低固相 - 向列相转变温度（Ton），令人满意的小粘度（η），令人满意的小旋转粘度（γ1）， 绝对值大，不降低折射率各向异性（Δn）和向列相各向同性液相转变温度（Tni）的大的弹性常数（K33）和负的介电各向异性（Δε），进而至 提供具有优异显示质量的VA模式等的液晶显示元件，使得该元件没有显示故障或已经抑制了显示故障，并且具有高响应速度。 本发明提供液晶组合物中含有一种或两种以上具有烯基侧链的化合物的液晶组合物，其中液晶组合物中具有烯基侧链的化合物的总含量为5〜100％ 和使用该液晶显示元件的液晶显示元件。

公开(公告)号：US20160215215A1

公开(公告)日：2016-07-28

申请号：US14915309

申请日：2014-09-04

Applicant: DIC CORPORATION

Inventor： Shinichi Hirata ,  Go Sudo ,  Shotaro Kawakami

IPC: C09K19/32 ,  C09K19/54 ,  C07C69/88 ,  C07D305/06 ,  C07C69/753 ,  C07D213/79 ,  C07D303/40 ,  C09K19/30 ,  C07C69/604

CPC classification number: C09K19/322 ,  C07C69/604 ,  C07C69/753 ,  C07C69/88 ,  C07C2601/14 ,  C07D213/79 ,  C07D303/40 ,  C07D305/06 ,  C09K19/20 ,  C09K19/3066 ,  C09K19/44 ,  C09K19/542 ,  C09K2019/0407 ,  C09K2019/0448 ,  C09K2019/122 ,  C09K2019/3004 ,  C09K2019/3009 ,  C09K2019/548

Abstract: The present invention relates to a nematic liquid crystal composition useful as a liquid crystal display material, the liquid crystal composition having negative dielectric anisotropy (Δ∈), and to a liquid crystal device element including the liquid crystal composition. The liquid crystal composition of the present invention has sufficiently low viscosity (η), sufficiently low rotational viscosity (γ1), a large elastic constant (K33), and a negative dielectric anisotropy (Δ∈) whose absolute value is large, without reducing the refractive index anisotropy (Δn) or the nematic-isotropic liquid phase transition temperature (Tni). Provided is, for example, a VA-mode liquid crystal display element including the liquid crystal composition, the liquid crystal display element having no or minimal display defects and having excellent display quality and a fast response. The liquid crystal display element including the liquid crystal composition of the present invention is useful for an active matrix-addressed liquid crystal display element and used for, for example, a VA- or PSVA-mode liquid crystal display element.

Abstract translation: 本发明涉及用作液晶显示材料的液晶组合物，具有负的介电各向异性（Δε）的液晶组合物以及包括液晶组合物的液晶装置元件。 本发明的液晶组合物具有足够低的粘度（η），足够低的旋转粘度（γ1），大的弹性常数（K33）和绝对值大的负介电各向异性（Δε），而不会降低 折射率各向异性（Δn）或向列各向同性液相转变温度（Tni）。 例如，提供了包括液晶组合物的VA模式液晶显示元件，液晶显示元件没有显示缺陷或显示缺陷很小，并具有优异的显示质量和快速响应。 包含本发明的液晶组合物的液晶显示元件对于有源矩阵寻址液晶显示元件是有用的，并且用于例如VA-或PSVA型液晶显示元件。

公开(公告)号：US10040997B2

公开(公告)日：2018-08-07

申请号：US14915309

申请日：2014-09-04

Applicant: DIC CORPORATION

Inventor： Shinichi Hirata ,  Go Sudo ,  Shotaro Kawakami

IPC: C09K19/20 ,  C09K19/32 ,  C09K19/30 ,  C09K19/44 ,  C07C69/604 ,  C07C69/753 ,  C07C69/88 ,  C07D213/79 ,  C07D303/40 ,  C07D305/06 ,  C09K19/54 ,  C09K19/04 ,  C09K19/12

Abstract: A nematic liquid crystal composition having negative dielectric anisotropy (Δε), and a liquid crystal device element including the liquid crystal composition. The liquid crystal composition has sufficiently low viscosity (η), sufficiently low rotational viscosity (γ1), a large elastic constant (K33), and a negative dielectric anisotropy (Δε) whose absolute value is large, without reducing the refractive index anisotropy (Δn) or the nematic-isotropic liquid phase transition temperature (Tni). A VA-mode liquid crystal display element including the liquid crystal composition, the liquid crystal display element having no or minimal display defects and having excellent display quality and a fast response. The liquid crystal display element including the liquid crystal composition is useful for an active matrix-addressed liquid crystal display element and used for, for example, a VA- or PSVA-mode liquid crystal display element.

公开(公告)号：US20170253800A1

公开(公告)日：2017-09-07

申请号：US15504416

申请日：2015-09-01

Applicant: DIC Corporation

Inventor： Kazunori Maruyama ,  Shinichi Hirata

IPC: C09K19/34 ,  C09K19/54 ,  G02F1/1362 ,  C09K19/30

CPC classification number: C09K19/3402 ,  C09K19/3003 ,  C09K19/3066 ,  C09K19/542 ,  C09K2019/0448 ,  C09K2019/123 ,  C09K2019/3004 ,  C09K2019/3009 ,  C09K2019/301 ,  C09K2019/3016 ,  C09K2019/3027 ,  C09K2019/3422 ,  C09K2019/548 ,  G02F1/1362

Abstract: There is provided a liquid crystal composition having the following properties without suffering reductions in refractive index anisotropy (Δn) and nematic phase-isotropic liquid phase transition temperature (Tm): sufficiently low viscosity (η), sufficiently low rotational viscosity (γ1), a large elastic constant (K33), and a negative dielectric anisotropy (Δ∈) with a large absolute value. There is also provided a liquid crystal display device of, for example, a VA type that uses such a liquid crystal composition and that has a high response speed and excellent display quality with defective display being eliminated or reduced. In particular, a liquid crystal composition having a negative dielectric anisotropy is provided, the composition containing a first component that is at least one compound represented by General Formula (i) and a second component that is at least one compound selected from compounds represented by General Formula (L).

公开(公告)号：US09725651B2

公开(公告)日：2017-08-08

申请号：US14778775

申请日：2014-03-18

Applicant: DIC CORPORATION

Inventor： Shinichi Hirata ,  Shotaro Kawakami

IPC: G02F1/1333 ,  C09K19/56 ,  C09K19/20 ,  C09K19/32 ,  G02F1/1337 ,  C09K19/04 ,  C09K19/12 ,  C09K19/30

CPC classification number: C09K19/56 ,  C09K19/2014 ,  C09K19/322 ,  C09K2019/0448 ,  C09K2019/0466 ,  C09K2019/123 ,  C09K2019/2042 ,  C09K2019/2078 ,  C09K2019/3027 ,  G02F1/133711 ,  G02F2001/133726

Abstract: There is provided a polymerizable compound-containing liquid crystal composition having strong alignment regulating force of a liquid crystal compound. The polymerizable compound-containing liquid crystal composition includes: a polymerizable compound; and a liquid crystal compound, in which the polymerizable compound includes at least one polymerizable compound represented by General Formula (I), and in which the liquid crystal compound includes at least one component selected from the group consisting of at least one compound represented by General Formula (II) as a second component, at least one compound represented by General Formulae (IIIa), (IIIb), and (IIIc) as a third component, and at least one compound represented by General Formulae (IVa), (IVb), and (IVc) as a fourth component.

公开(公告)号：US20170218271A1

公开(公告)日：2017-08-03

申请号：US15328695

申请日：2015-07-14

Applicant: DIC Corporation

Inventor： Shinichi Hirata ,  Go Sudo

IPC: C09K19/32 ,  C09K19/54 ,  G02F1/13 ,  C09K19/30

CPC classification number: C09K19/322 ,  C09K19/12 ,  C09K19/14 ,  C09K19/16 ,  C09K19/18 ,  C09K19/20 ,  C09K19/24 ,  C09K19/30 ,  C09K19/3066 ,  C09K19/32 ,  C09K19/34 ,  C09K19/38 ,  C09K19/42 ,  C09K19/542 ,  C09K2019/548 ,  G02F1/13 ,  G02F1/1309 ,  G02F1/1341

Abstract: There is provided a liquid crystal composition containing at least one compound represented by General Formula (a). There is also provided a liquid crystal display device using such a liquid crystal composition. The liquid crystal composition of the present invention has the following properties without suffering reductions in refractive index anisotropy (Δn) and nematic phase-isotropic liquid phase transition temperature (Tni): sufficiently low viscosity (η), sufficiently low rotational viscosity (γ1), a large elastic constant (K33), a high voltage holding ratio after UV exposure (VHR (UV)), and a negative dielectric anisotropy (Δ∈) with a large absolute value. A liquid crystal display device of, for example, a VA type that uses such a liquid crystal composition has a high response speed and excellent display quality with defective display being eliminated or reduced.

公开(公告)号：US09683173B2

公开(公告)日：2017-06-20

申请号：US14366562

申请日：2012-12-18

Applicant: DIC Corporation

Inventor： Takeshi Kuriyama ,  Go Sudo ,  Shinichi Hirata ,  Shotaro Kawakami

IPC: G02F1/1333 ,  C09K19/56 ,  C09K19/30 ,  C09K19/44 ,  C09K19/12 ,  G02F1/137 ,  C09K19/04

CPC classification number: C09K19/56 ,  C09K19/3066 ,  C09K19/44 ,  C09K2019/0448 ,  C09K2019/122 ,  C09K2019/123 ,  C09K2019/3027 ,  G02F2001/13712

Abstract: A liquid crystal composition of the present invention is used for a liquid crystal display device of an active matrix driving method, which requires fast response. The liquid crystal composition has negative dielectric anisotropy and a large absolute value thereof, and low viscosity. The liquid crystal composition is chemically stable to heat, light, water, and the like, and is suitable as a liquid crystal composition capable of low-voltage driving and practicable and having high reliability. A liquid crystal display device using the liquid crystal composition can be preferably used for a liquid crystal display device of a VA mode, a PASV mode, a PSA mode, or the like.

公开(公告)号：US20160319192A1

公开(公告)日：2016-11-03

申请号：US15108859

申请日：2014-12-17

Applicant: DIC CORPORATION

Inventor： Shinichi Hirata ,  Tomoaki Hara ,  Naomi Hatano ,  Yasuo Umezu

IPC: C09K19/32 ,  G02F1/1335 ,  C09K19/38 ,  G02F1/1343 ,  C09K19/30 ,  C09K19/56

CPC classification number: C09K19/322 ,  C09K19/20 ,  C09K19/2028 ,  C09K19/3003 ,  C09K19/3028 ,  C09K19/3066 ,  C09K19/3809 ,  C09K19/42 ,  C09K19/56 ,  C09K2019/0448 ,  C09K2019/0466 ,  C09K2019/122 ,  C09K2019/123 ,  C09K2019/3004 ,  C09K2019/3009 ,  C09K2019/301 ,  C09K2019/3016 ,  C09K2019/3027 ,  C09K2019/3425 ,  G02F1/133528 ,  G02F1/13439 ,  G02F2001/13345

Abstract: There is provided a liquid crystal composition whose refractive index anisotropy (Δn) and nematic phase-isotropic liquid phase transition temperature (Tni) are sufficiently high, whose viscosity (η) is sufficiently low, whose rotational viscosity (γ1) is sufficiently low, whose elastic constant (K33) is high, whose dielectric anisotropy (Δ∈) is high or whose Δ∈ is negative with a large absolute value, and whose decrease in reliability after UV irradiation is small, and also provide a liquid crystal display element including the same, which has the excellent display quality and the high response speed. It has been found that the above object can be achieved by forming a polymerizable compound containing liquid crystal composition, which includes a polymerizable compound with a particular chemical structure and a non-polymerizable liquid crystal compound, the polymerizable compound with a particular chemical structure being contained at a particular ratio, and a liquid crystal display element including the same.

Abstract translation: 提供了一种液晶组合物，其折射率各向异性（Δn）和向列相各向同性液相转变温度（Tni）足够高，其粘度（η）足够低，其旋转粘度（γ1）足够低， 弹性常数（K33）高，其介电各向异性（Δε）高或Δε为负，绝对值大，UV照射后的可靠性降低较小，并且还提供了包括 相同，具有优异的显示质量和高响应速度。 已经发现，通过形成包含具有特定化学结构的可聚合化合物和非聚合性液晶化合物的含有液晶组合物的可聚合化合物，可以实现上述目的，含有特定化学结构的可聚合化合物 以及具有该特定比例的液晶显示元件。

公开(公告)号：US20160122650A1

公开(公告)日：2016-05-05

申请号：US14778775

申请日：2014-03-18

Applicant: DIC CORPORATION

Inventor： Shinichi Hirata ,  Shotaro Kawakami

IPC: C09K19/56

CPC classification number: C09K19/56 ,  C09K19/2014 ,  C09K19/322 ,  C09K2019/0448 ,  C09K2019/0466 ,  C09K2019/123 ,  C09K2019/2042 ,  C09K2019/2078 ,  C09K2019/3027 ,  G02F1/133711 ,  G02F2001/133726

Abstract: There is provided a polymerizable compound-containing liquid crystal composition having strong alignment regulating force of a liquid crystal compound. The polymerizable compound-containing liquid crystal composition includes: a polymerizable compound; and a liquid crystal compound, in which the polymerizable compound includes at least one polymerizable compound represented by General Formula (I), and in which the liquid crystal compound includes at least one component selected from the group consisting of at least one compound represented by General Formula (II) as a second component, at least one compound represented by General Formulae (IIIa), (IIIb), and (IIIc) as a third component, and at least one compound represented by General Formulae (IVa), (IVb), and (IVc) as a fourth component.

Abstract translation: 提供了具有液晶化合物的强取向调节力的可聚合化合物的液晶组合物。 含有可聚合化合物的液晶组合物包括：可聚合化合物; 和其中所述可聚合化合物包含至少一种由通式（I）表示的可聚合化合物的液晶化合物，其中液晶化合物包括至少一种选自由通式（I）表示的化合物 作为第二组分的式（II），作为第三组分的通式（IIIa），（IIIb）和（IIIc）表示的至少一种化合物和至少一种由通式（Ⅳa），（Ⅳb）表示的化合物， ，（IVc）作为第四成分。