公开(公告)号：US20180119009A1

公开(公告)日：2018-05-03

申请号：US15718595

申请日：2017-09-28

申请人： JNC Corporation ,  JNC Petrochemical Corporation

发明人： Hiroyuki TANAKA

IPC分类号： C09K19/32 ,  C09K19/34 ,  C07C43/225 ,  C07C25/22 ,  C07C323/09 ,  C07C49/577 ,  C07F7/08 ,  C07D309/06 ,  C07C69/753 ,  G02F1/137

CPC分类号： C09K19/32 ,  C07C25/22 ,  C07C43/225 ,  C07C49/577 ,  C07C69/753 ,  C07C323/09 ,  C07C2601/02 ,  C07C2601/04 ,  C07C2601/08 ,  C07C2601/14 ,  C07C2601/18 ,  C07C2602/28 ,  C07D309/06 ,  C07F7/0896 ,  C09B57/00 ,  C09K19/3059 ,  C09K19/3066 ,  C09K19/3402 ,  C09K2019/0466 ,  C09K2019/123 ,  C09K2019/3004 ,  C09K2019/3009 ,  C09K2019/301 ,  C09K2019/3016 ,  C09K2019/3019 ,  C09K2019/3021 ,  C09K2019/3037 ,  C09K2019/304 ,  C09K2019/3042 ,  C09K2019/306 ,  C09K2019/3077 ,  C09K2019/3083 ,  C09K2019/3422 ,  C09K2019/3425 ,  G02F1/137 ,  G02F2001/13712

摘要： Provided are a liquid crystal compound satisfying at least one of physical properties such as high stability to heat or light, a high clearing point (or high maximum temperature), low minimum temperature of a liquid crystal phase, small viscosity, large optical anisotropy, large negative dielectric anisotropy, a suitable elastic constant and good 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): wherein, R1 and R2 are alkyl having 1 to 15 carbons; A1, A2, A3 and A4 are 1,4-cyclohexylene and 1,4-phenylene; Z1, Z2, Z3 and Z4 are a single bond; Y1, Y2 and Y3 are fluorine; and a, b, c and d are 0 or 1, and a sum of a, b, c and d is an integer from 0 to 3, or the like.

公开(公告)号：US20240124779A1

公开(公告)日：2024-04-18

申请号：US18266657

申请日：2021-12-14

申请人： MERCK PATENT GMBH

发明人： Constanze BROCKE ,  Dagmar KLASS ,  Carsten FRITSCH ,  Amir Hossain PARHAM

IPC分类号： C09K19/12 ,  C09K19/18 ,  C09K19/30

CPC分类号： C09K19/12 ,  C09K19/18 ,  C09K19/3003 ,  C09K19/3048 ,  C09K19/3059 ,  C09K2019/122 ,  C09K2019/123 ,  C09K2019/124 ,  C09K2019/163 ,  C09K2019/183 ,  C09K2019/3016 ,  C09K2019/3025 ,  C09K2019/305 ,  C09K2019/306 ,  C09K2019/3062 ,  C09K2019/3063

摘要： The present invention relates to heteroaromatic isothiocyanates of formula N




as defined in claim 1, to liquid-crystalline media comprising one or more compounds of formula N and to high-frequency components comprising these media, especially microwave components for high-frequency devices, such as devices for shifting the phase of microwaves, tunable filters, tunable metamaterial structures, and electronic beam steering antennas, e.g. phased array antennas.

公开(公告)号：US20160264865A1

公开(公告)日：2016-09-15

申请号：US15065537

申请日：2016-03-09

申请人： MERCK PATENT GMBH

发明人： Harald HIRSCHMANN ,  Monika BAUER ,  Martina WINDHORST ,  Martin ENGEL

IPC分类号： C09K19/30

CPC分类号： C09K19/3028 ,  C09K19/04 ,  C09K19/3003 ,  C09K19/3048 ,  C09K19/3059 ,  C09K19/3066 ,  C09K19/3068 ,  C09K2019/0448 ,  C09K2019/122 ,  C09K2019/123 ,  C09K2019/3004 ,  C09K2019/301 ,  C09K2019/3016 ,  C09K2019/303 ,  C09K2019/305 ,  C09K2019/306 ,  C09K2019/3069

摘要： The invention relates to a liquid-crystalline medium which comprises at least one compound of the formula IA, IB, IC, ID and/or IE, in which Z1 denotes a single bond, —CH2CH2—, —CH═CH—, —CH2O—, —OCH2—, —CF2O—, —OCF2—, —COO—, —OCO—, —C2F4—, —C≡C—, —CF═CF— or —CH═CHCHO—, and to the use thereof for an active-matrix display, in particular based on the VA, PSA, PS-VA, PALC, FFS, UB-FFS, PS-FFS, PS-IPS or IPS effect.

公开(公告)号：US20240294830A1

公开(公告)日：2024-09-05

申请号：US18515161

申请日：2023-11-20

申请人： JNC CORPORATION ,  JNC PETROCHEMICAL CORPORATION

发明人： Eiji OKABE ,  Takanori MORI ,  Kazushi SHIREN ,  Yuko KATANO

IPC分类号： C09K19/44 ,  C09K19/30

CPC分类号： C09K19/44 ,  C09K19/3003 ,  C09K19/3059 ,  C09K2019/3016 ,  C09K2019/306

摘要： A liquid crystal composition as a material used for elements for controlling electromagnetic wave signals in a frequency range of 1 GHz to 10 THz, and an element containing this composition are provided. In the liquid crystal composition, a characteristic balance is excellent, and at least one of characteristics of a wide temperature range of a nematic phase, a large refractive index anisotropy in a frequency region used for control, and a small dielectric loss tangent (tan δ) is satisfied.
A liquid crystal composition containing at least one compound selected from compounds represented by Formula (1) is provided.




For example, R1 is an alkyl having 1 to 12 carbon atoms; ring A1 is 1,4-phenylene; L11, L13, L14, L16, Y11, and Y12 are each hydrogen; L12 is fluorine; and L15 is methyl.