公开(公告)号：EP2792727A4

公开(公告)日：2015-07-22

申请号：EP12858642

申请日：2012-12-03

申请人： JNC CORP ,  JNC PETROCHEMICAL CORP

发明人： SAITO MASAYUKI ,  MATSUMURA YOSHINARI

IPC分类号： C09K19/42 ,  C09K19/04 ,  C09K19/12 ,  C09K19/14 ,  C09K19/16 ,  C09K19/20 ,  C09K19/30 ,  C09K19/32 ,  C09K19/34 ,  C09K19/38 ,  C09K19/54 ,  G02F1/00 ,  G02F1/13 ,  G02F1/1337

CPC分类号： G02F1/0009 ,  C09K19/16 ,  C09K19/20 ,  C09K19/3066 ,  C09K19/3068 ,  C09K19/322 ,  C09K2019/0448 ,  C09K2019/0466 ,  C09K2019/122 ,  C09K2019/123 ,  C09K2019/161 ,  C09K2019/3004 ,  C09K2019/3009 ,  C09K2019/301 ,  C09K2019/3015 ,  C09K2019/3016 ,  C09K2019/3021 ,  C09K2019/3025 ,  C09K2019/3071 ,  C09K2019/3078 ,  Y10T428/10 ,  Y10T428/1036

公开(公告)号：EP3127990A4

公开(公告)日：2017-11-22

申请号：EP15773623

申请日：2015-02-13

申请人： JNC CORP ,  JNC PETROCHEMICAL CORP

发明人： MATSUMURA YOSHINARI ,  SAITO MASAYUKI ,  FURUSATO YOSHIMASA

IPC分类号： C09K19/30 ,  C09K19/02 ,  C09K19/04 ,  C09K19/12 ,  C09K19/14 ,  C09K19/20 ,  C09K19/32 ,  C09K19/34 ,  G02F1/13 ,  G02F1/1362 ,  G02F1/139

CPC分类号： C09K19/3402 ,  C09K19/02 ,  C09K19/0208 ,  C09K19/0216 ,  C09K19/322 ,  C09K2019/0466 ,  C09K2019/122 ,  C09K2019/123 ,  C09K2019/3009 ,  C09K2019/3019 ,  C09K2019/3025 ,  C09K2019/3071 ,  C09K2019/3078 ,  C09K2019/3083 ,  C09K2019/3422 ,  G02F1/1362

摘要： Subject The subject is to provide a liquid crystal display device having characteristics such as a short response time, a large voltage holding ratio, a low threshold voltage, a large contrast ratio, a long service life and a small flicker rate. Means for solution The means concerns a liquid crystal display device including a first substrate, a second substrate and a liquid crystal composition having positive dielectric anisotropy, which is placed between these substrates, wherein the liquid crystal composition has a nematic phase and includes at least one compound selected from the group of compounds represented by formula (1) as a first component: in formula (1), R 1 is alkyl or the like; ring A is 1,4-phenylene or the like; Z 1 is a single bond or the like; X 1 and X 2 is hydrogen or fluorine; Y 1 is fluorine or the like; and m is 0, 1, 2, 3 or 4.

公开(公告)号：EP2899249A4

公开(公告)日：2016-06-29

申请号：EP13839209

申请日：2013-09-06

申请人： JNC CORP ,  JNC PETROCHEMICAL CORP

发明人： FURUSATO YOSHIMASA ,  MATSUMURA YOSHINARI ,  HIRAOKA TAKASHI ,  ASAKURA TOSHIKI ,  SAIGUSA KAZUHIKO

IPC分类号： C09K19/30 ,  C09K19/02 ,  C09K19/04 ,  C09K19/12 ,  C09K19/14 ,  C09K19/20 ,  C09K19/32 ,  C09K19/34 ,  C09K19/42 ,  C09K19/44 ,  G02F1/00 ,  G02F1/13

CPC分类号： C09K19/3402 ,  C09K19/0208 ,  C09K19/0216 ,  C09K19/12 ,  C09K19/20 ,  C09K19/3066 ,  C09K19/3068 ,  C09K19/42 ,  C09K19/44 ,  C09K2019/0466 ,  C09K2019/122 ,  C09K2019/123 ,  C09K2019/3009 ,  C09K2019/3071 ,  C09K2019/3077 ,  C09K2019/3078 ,  C09K2019/3422 ,  C09K2019/3425 ,  G02F1/0045 ,  G02F1/133528 ,  G02F1/1337 ,  G02F1/13439 ,  G02F1/136

摘要： To provide a liquid crystal composition satisfying at least one of characteristics such as high maximum temperature of a nematic phase, low minimum temperature of the nematic phase, small viscosity, suitable optical anisotropy, large dielectric anisotropy, large specific resistance, high stability to ultraviolet light and heat, or to provide a liquid crystal composition having a suitable balance regarding at least two of the characteristics; and to provide an AM device having short response time, a large voltage holding ratio, a large contrast ratio, a long service life and so forth. The liquid crystal composition contains a specific compound having high maximum temperature or large positive dielectric anisotropy as a first component and a specific compound having large negative dielectric anisotropy and low minimum temperature as a second component, and may contain a specific compound having small viscosity or large maximum temperature as a third component. A liquid crystal display device includes the composition having positive dielectric anisotropy.

公开(公告)号：EP3115437A4

公开(公告)日：2017-11-08

申请号：EP15758956

申请日：2015-01-21

申请人： JNC CORP ,  JNC PETROCHEMICAL CORP

发明人： MATSUMURA YOSHINARI ,  SAITO MASAYUKI ,  FURUSATO YOSHIMASA

IPC分类号： C09K19/42 ,  C09K19/02 ,  C09K19/04 ,  C09K19/12 ,  C09K19/30 ,  C09K19/34 ,  C09K19/54 ,  G02F1/13 ,  G02F1/1337

CPC分类号： C09K19/3402 ,  C09K19/0208 ,  C09K19/0216 ,  C09K19/12 ,  C09K19/30 ,  C09K19/3003 ,  C09K19/3066 ,  C09K19/3068 ,  C09K19/3098 ,  C09K19/542 ,  C09K2019/0448 ,  C09K2019/122 ,  C09K2019/123 ,  C09K2019/3004 ,  C09K2019/3009 ,  C09K2019/301 ,  C09K2019/3016 ,  C09K2019/3422 ,  C09K2019/3425 ,  C09K2019/548

摘要： Subject The subject is to provide a liquid crystal display device having characteristics such as a short response time, a large voltage holding ratio, a low threshold voltage, a large contrast ratio, a long service life and a small flicker rate. Means for solution The means concerns a liquid crystal display device including a first substrate, a second substrate and a liquid crystal composition having a nematic phase, which is placed between these substrates, wherein the liquid crystal composition includes at least one compound selected from the group of compounds represented by formula (1) as a first component: wherein in formula (1), R 1 and R 2 are alkyl or the like; ring A and ring C are 1,4-phenylene or the like; ring B is 2,3-difluoro-1,4-phenylene or the like; Z 1 and Z 2 are a single bond or the like; and m is 1, 2 or 3, n is 0 or 1, and the sum of m and n is 3 or less.

公开(公告)号：EP2626402A4

公开(公告)日：2016-03-02

申请号：EP11830523

申请日：2011-09-27

申请人： JNC CORP ,  JNC PETROCHEMICAL CORP

发明人： MATSUMURA YOSHINARI ,  HATTORI NORIKATSU

IPC分类号： C09K19/42 ,  C09K19/12 ,  C09K19/14 ,  C09K19/20 ,  C09K19/30 ,  C09K19/34 ,  C09K19/44 ,  G02F1/13

CPC分类号： C09K19/3066 ,  C09K19/3402 ,  C09K19/44 ,  C09K2019/122 ,  C09K2019/123 ,  C09K2019/3004 ,  C09K2019/301 ,  C09K2019/3012 ,  C09K2019/3016 ,  C09K2019/3021 ,  C09K2019/3025 ,  C09K2019/3036 ,  C09K2019/3425 ,  Y10T428/10

摘要： The invention is to provide a liquid crystal composition that has a suitable balance in characteristics such as wide temperature range of a nematic phase, a small viscosity, a suitable optical anisotropy, a large negative dielectric anisotropy, a large specific resistance, a high stability to ultraviolet light or heat, and is to provide a AM device that has a short response time, a large voltage holding ratio, a large contrast ratio, a long service life and so forth, wherein the liquid crystal composition includes a specific two-ring compound having a large optical anisotropy and a small viscosity as a first component, a specific three-ring compound having a high maximum temperature and a large dielectric anisotropy as a second component, and a specific compound having a large dielectric anisotropy as a third component, and may include a specific compound having a small viscosity as a fourth component, a specific three-ring compound having a large optical anisotropy and a large dielectric anisotropy as a fifth component, and a specific compound having a large dielectric anisotropy as a sixth component, and the liquid crystal display device contains this composition.