公开(公告)号：US20190203120A1

公开(公告)日：2019-07-04

申请号：US16304948

申请日：2017-11-09

Applicant: DIC Corporation

Inventor： Go Sudo ,  Shinichi Hirata ,  Marina Goto

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

CPC classification number: C09K19/44 ,  C09K19/12 ,  C09K19/14 ,  C09K19/30 ,  C09K19/3003 ,  C09K19/3066 ,  C09K19/3098 ,  C09K19/42 ,  C09K2019/122 ,  C09K2019/123 ,  C09K2019/3004 ,  C09K2019/3009 ,  C09K2019/301 ,  C09K2019/3016 ,  G02F1/13 ,  G02F1/1337

Abstract: A problem to be solved by the present invention is to provide a liquid crystal composition containing a polymerizable compound for producing a VA-mode, PSA-mode, or PSVA-mode liquid crystal display device which has large K33, small γ1/K33, high VHR after ultraviolet irradiation, a high polymerization rate of the polymerizable compound, no or very few display defects due to a change in pretilt angle, a satisfactory pretilt angle, and excellent response performance, and also to provide a liquid crystal display device using the liquid crystal composition. The problem is solved by a liquid crystal composition of the present invention containing a compound of formula (B31) and a compound of formula (CB31).

公开(公告)号：US10053425B2

公开(公告)日：2018-08-21

申请号：US15034809

申请日：2014-10-29

Applicant: JNC CORPORATION ,  JNC PETROCHEMICAL CORPORATION

Inventor： Yasuyuki Gotoh ,  Kenji Hirata ,  Maiko Matsukuma ,  Chikahide Kanadani

IPC: G02F1/1333 ,  C07D211/12 ,  C07D211/22 ,  C07D211/26 ,  C09K19/42 ,  C09K19/54 ,  C09K19/34 ,  C09K19/44 ,  C07D317/16 ,  C07D239/26 ,  C07D211/18 ,  C07D405/14 ,  C09K19/04 ,  C09K19/12 ,  C09K19/30

CPC classification number: C07D211/12 ,  C07D211/18 ,  C07D211/22 ,  C07D211/26 ,  C07D239/26 ,  C07D317/16 ,  C07D405/14 ,  C09K19/20 ,  C09K19/3066 ,  C09K19/3068 ,  C09K19/3402 ,  C09K19/3483 ,  C09K19/42 ,  C09K19/44 ,  C09K19/54 ,  C09K2019/0466 ,  C09K2019/122 ,  C09K2019/123 ,  C09K2019/3004 ,  C09K2019/3009 ,  C09K2019/3019 ,  C09K2019/3071 ,  C09K2019/3077 ,  C09K2019/3422

Abstract: To provide a compound having an effect for preventing photolysis of a liquid crystal composition, and having a high solubility in the liquid crystal composition, a liquid crystal composition containing the compound, and a liquid crystal display device including the composition. The compound is represented by formula (1), the liquid crystal composition contains the compound, and the liquid crystal display device includes the composition. In formula (1), R1, R2, R3 and R4 are independently hydrogen or alkyl having 1 to 4 carbons; ring A1 and ring A2 are independently 1,4-cyclohexylene, 1,4-phenylene or the like; Z1, Z2 and Z3 are independently a single bond, alkylene or the like; and n is 0, 1 or 2.

公开(公告)号：US20180208846A1

公开(公告)日：2018-07-26

申请号：US15745804

申请日：2016-07-26

Applicant: DIC Corporation

Inventor： Megumi Uzawa ,  Junko Yamamoto ,  Shirou Taniguchi ,  Tomoaki Hara ,  Go Sudo

IPC: C09K19/34 ,  C09K19/54 ,  C09K19/42

CPC classification number: C09K19/3447 ,  C09K19/42 ,  C09K19/54 ,  C09K19/542 ,  C09K19/56 ,  C09K2019/548 ,  G02F2001/13706 ,  G02F2001/13712

Abstract: There are provided a liquid crystal composition containing one or two or more compounds represented by the general formula (I) and a liquid crystal display device including the liquid crystal composition. A liquid crystal composition containing a compound represented by the general formula (I) has high dielectric constant anisotropy and low viscosity and is of great practical use as a liquid crystal composition for liquid crystal displays. A liquid crystal display device including a liquid crystal composition according to the present invention has a high contrast, high-speed responsivity, high light resistance, and a lower occurrence of image sticking and display defects, and is effective for higher-speed response and high-quality reliability.

公开(公告)号：US09823517B2

公开(公告)日：2017-11-21

申请号：US14650371

申请日：2014-01-21

Applicant: DIC CORPORATION

Inventor： Yoshiyuki Ono ,  Jouji Kawamura ,  Yoshinori Iwashita ,  Hiroyuki Takeda

IPC: G02F1/1333 ,  G02F1/1339 ,  C09K19/30 ,  C09K19/42 ,  C09K19/04

CPC classification number: G02F1/1339 ,  C09K19/3003 ,  C09K19/3066 ,  C09K19/42 ,  C09K2019/0448 ,  C09K2019/3004 ,  C09K2019/3009 ,  C09K2019/301 ,  C09K2019/3016 ,  C09K2019/3027

Abstract: The present invention relates to a liquid crystal display device including a specific liquid crystal composition and a sealant in which a cured product of a specific curable resin composition is used.The present invention provides a liquid crystal display device which prevents a decrease in the voltage holding ratio (VHR) of the liquid crystal layer and which enables elimination of problematic defective display such as voids, uneven alignment, and screen burn-in.Since the liquid crystal display device of the present invention prevents a decrease in the voltage holding ratio (VHR) of the liquid crystal layer and enables a reduction in defective display such as uneven alignment and screen burn-in, it is particularly useful for active-matrix liquid crystal display devices of a VA mode and PSVA mode and can be applied to liquid crystal display apparatuses such as liquid crystal TVs, monitors, mobile phones, and smartphones.

公开(公告)号：US20170233655A1

公开(公告)日：2017-08-17

申请号：US15430006

申请日：2017-02-10

Applicant: JNC CORPORATION ,  JNC PETROCHEMICAL CORPORATION

Inventor： Masayuki Saito

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

CPC classification number: C09K19/3491 ,  C09K19/3066 ,  C09K19/3068 ,  C09K19/3098 ,  C09K19/42 ,  C09K2019/122 ,  C09K2019/3004 ,  C09K2019/3009 ,  C09K2019/301 ,  C09K2019/3027 ,  C09K2019/3422 ,  G02F2001/13712 ,  G02F2202/023

Abstract: Provided is a liquid crystal composition satisfying at least one of characteristics such as a high maximum temperature, a low minimum temperature, small viscosity, large optical anisotropy and large dielectric anisotropy, or has a suitable balance regarding at least two of the characteristics, and an AM device including the composition. The liquid crystal composition may contain a specific compound having large negative dielectric anisotropy as a first component, a specific compound having a high maximum temperature or small viscosity as a second component, a specific compound having negative dielectric anisotropy as a third component, or a specific compound having a polymerizable group as an additive component.

公开(公告)号：US09688913B2

公开(公告)日：2017-06-27

申请号：US14394883

申请日：2013-03-05

Applicant: DIC CORPORATION

Inventor： Joji Kawamura ,  Masahiro Niwa ,  Makoto Negishi

IPC: C09K19/34 ,  C09K19/20 ,  C09K19/30 ,  C09K19/42 ,  C07C13/28 ,  C07C25/18 ,  C07C43/225 ,  C07C69/753 ,  C07D309/06 ,  C09K19/02 ,  G02F1/1339 ,  C09K19/04 ,  G02F1/1341 ,  G02F1/137 ,  C09K19/12

CPC classification number: C09K19/3402 ,  C07C13/28 ,  C07C25/18 ,  C07C43/225 ,  C07C69/753 ,  C07C2601/14 ,  C07D309/06 ,  C09K19/0216 ,  C09K19/20 ,  C09K19/3066 ,  C09K19/42 ,  C09K2019/0466 ,  C09K2019/123 ,  C09K2019/124 ,  C09K2019/3004 ,  C09K2019/301 ,  C09K2019/3019 ,  C09K2019/3025 ,  C09K2019/3422 ,  G02F1/1339 ,  G02F1/13394 ,  G02F2001/13398 ,  G02F2001/13415 ,  G02F2001/13706

Abstract: A liquid crystal composition includes one or more of compounds represented by general formula (i) below and one or more of compounds represented by general formula (ii) below.In the formulae, R11a and R21a each independently represent an alkyl group having 1 to 8 carbon atoms where one —CH2— or two or more non-adjacent —CH2— in the alkyl group may each independently be substituted with —CH═CH—, —C≡C—, —O—, —CO—, —COO—, or —OCO—; one or more hydrogen atoms in the alkyl group may be substituted with a fluorine atom or a chlorine atom; X11a, X12a, X13a, X14a, and X21a each independently represent a hydrogen atom or a fluorine atom; A21a, A22a, and A23a each independently represent a trans-1,4-cyclohexylene group or a 1,4-phenylene group whose hydrogen atom may be substituted with a fluorine atom or a chlorine atom.

公开(公告)号：US20170107427A1

公开(公告)日：2017-04-20

申请号：US15317412

申请日：2015-06-04

Applicant: JNC CORPORATION ,  JNC PETROCHEMICAL CORPORATION

Inventor： MICHIKO TAKAHASHI ,  SAYAKA FUJIMORI ,  YASUYUKI SASADA

IPC: C09K19/34 ,  C07C43/225 ,  C07D239/34 ,  C07D213/30 ,  C07D213/68 ,  C09K19/30 ,  C07D239/26

CPC classification number: C09K19/3402 ,  C07C43/225 ,  C07D213/30 ,  C07D213/68 ,  C07D239/26 ,  C07D239/34 ,  C09K19/12 ,  C09K19/18 ,  C09K19/20 ,  C09K19/30 ,  C09K19/3001 ,  C09K19/3003 ,  C09K19/3066 ,  C09K19/3068 ,  C09K19/32 ,  C09K19/34 ,  C09K19/42 ,  C09K19/54 ,  C09K2019/0466 ,  C09K2019/3004 ,  C09K2019/3009 ,  C09K2019/301 ,  C09K2019/3071 ,  C09K2019/3075 ,  C09K2019/3077 ,  C09K2019/3083 ,  C09K2019/3422 ,  C09K2019/3425 ,  G02F1/13 ,  G02F1/29

Abstract: To show a liquid crystal compound satisfying at least one of physical properties such as high chemical stability, a high clearing point, a low minimum temperature of a liquid crystal phase, low viscosity, large optical anisotropy, large dielectric anisotropy, a suitable elastic constant and excellent compatibility with other liquid crystal compounds, a liquid crystal composition containing the compound and a liquid crystal display device including the composition.A compound is represented by formula (1).

公开(公告)号：US09624433B2

公开(公告)日：2017-04-18

申请号：US14442198

申请日：2013-11-13

Applicant: DIC CORPORATION

Inventor： Yoshiyuki Ono ,  Jouji Kawamura ,  Yoshinori Iwashita ,  Hiroyuki Takeda

IPC: G02F1/1333 ,  C09K19/30 ,  C09K19/20 ,  C09K19/42 ,  C09K19/44 ,  G02F1/1339 ,  C09K19/54 ,  C09K19/04 ,  C09K19/12 ,  C09K19/34

CPC classification number: C09K19/3066 ,  C09K19/20 ,  C09K19/42 ,  C09K19/44 ,  C09K19/542 ,  C09K2019/0448 ,  C09K2019/0466 ,  C09K2019/122 ,  C09K2019/123 ,  C09K2019/124 ,  C09K2019/3004 ,  C09K2019/3009 ,  C09K2019/301 ,  C09K2019/3016 ,  C09K2019/3019 ,  C09K2019/3025 ,  C09K2019/3422 ,  C09K2019/548 ,  G02F1/1339

Abstract: The present invention relates to a liquid crystal display device including a specific liquid crystal composition and a sealant containing the cured product of a specific curable resin composition.The present invention provides a liquid crystal display device which prevents a decrease in the voltage holding ratio (VHR) of the liquid crystal layer and an increase in ion density (ID) and which enables elimination of problematic defective display such as voids, uneven alignment, and screen burn-in.Since the liquid crystal display device of the present invention prevents a decrease in the voltage holding ratio (VHR) of the liquid crystal layer and enables a reduction in defective display such as uneven alignment and screen burn-in, it is particularly useful for active-matrix liquid crystal display devices of an IPS mode and FFS mode and can be applied to liquid crystal display apparatuses such as liquid crystal TVs, monitors, mobile phones, and smartphones.

公开(公告)号：US09499745B2

公开(公告)日：2016-11-22

申请号：US14647827

申请日：2013-11-26

Applicant: JNC CORPORATION ,  JNC PETROCHEMICAL CORPORATION

Inventor： Takayoshi Yanai ,  Norikatsu Hattori ,  Taketo Maeda

IPC: C09K19/54 ,  C09K19/34 ,  C09K19/42 ,  C09K19/20 ,  C09K19/02 ,  C09K19/04 ,  C09K19/30 ,  C09K19/12

CPC classification number: C09K19/3458 ,  C09K19/0208 ,  C09K19/0216 ,  C09K19/20 ,  C09K19/3066 ,  C09K19/3402 ,  C09K19/42 ,  C09K2019/0466 ,  C09K2019/122 ,  C09K2019/3004 ,  C09K2019/301 ,  C09K2019/3016 ,  C09K2019/3422

Abstract: A liquid crystal composition contains a specific compound having large dielectric anisotropy as a first component and a specific bicyclic compound having small viscosity as a second component, and may contain a specific compound having high maximum temperature or large dielectric anisotropy as a third component and a specific compound having high maximum temperature or small viscosity as a fourth component, and has a nematic phase. The liquid crystal display device includes the composition.

Abstract translation: 液晶组合物含有作为第一成分的介电各向异性大的特定化合物和作为第二成分的粘度小的特定二环化合物，并且可以含有作为第三成分的具有高的最高温度或大的介电各向异性的特定化合物， 作为第四成分，具有高的最高温度或较小的粘度的化合物，并且具有向列相。 液晶显示装置包括组合物。

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.