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1. 发明授权

US11629291B2 Liquid crystal composition and use thereof 有权
公开(公告)号：US11629291B2
公开(公告)日：2023-04-18
申请号：US16608577
申请日：2018-06-28
申请人： Jiangsu Hecheng Display Technology Co., Ltd.
发明人： Wenyang Ma , Liwei Wang , Haibin Xu , Wenming Han , Wenqi Zhang
IPC分类号： C09K19/44 , C09K19/12 , C09K19/14 , C09K19/20 , C09K19/30 , C09K19/38
摘要： A liquid crystal composition contains: at least one compound of general formula I and at least one polymerizable compound of general formula II. Such a liquid crystal composition has a suitable optical anisotropy, a suitable dielectric anisotropy, and a better pretilt angle consistency while maintaining a relatively high clearing point, and the drop mura is good. When the liquid crystal composition is applied to a PSA liquid crystal display, the liquid crystal composition has an excellent display effect.

2. 发明授权

US11299674B2 Liquid crystal composition and display device thereof 有权
公开(公告)号：US11299674B2
公开(公告)日：2022-04-12
申请号：US16592104
申请日：2019-10-03
申请人： Jiangsu Hecheng Display Technology Co., Ltd.
发明人： Lifang Yao , Di He , Rui Jin
IPC分类号： G02F1/1333 , C09K19/34 , C09K19/30 , C09K19/06 , C09K19/12
摘要： The present invention provides a liquid crystal composition comprising: at least one compound of general Formula I; at least one compound of general Formula II; at least one compound of general Formula M and at least one compound of general Formula N. The present invention also provides a liquid crystal display device comprising the liquid crystal composition. The liquid crystal composition provided in the present invention has a higher optical anisotropy, a higher clearing point, a higher dielectric anisotropy, a high transmittance and a larger average elastic constant. When the liquid crystal composition is used in the IPS liquid crystal display device, the transmittance of the display device can be effectively improved, so that the display device has a good display performance while also having good energy-saving and environment-friendly characteristics.

3. 发明授权

US11193063B2 Compound, liquid crystal composition and photoelectric display device thereof 有权
公开(公告)号：US11193063B2
公开(公告)日：2021-12-07
申请号：US16861320
申请日：2020-04-29
申请人： Jiangsu Hecheng Display Technology Co., Ltd.
发明人： Wenming Han , Wenqi Zhang , Wenyang Ma , Zhaoyuan Chen
IPC分类号： C09K19/34 , C07D319/06 , C09K19/44
摘要： A compound having the structure of general formula I is useful as a liquid crystal composition and as a photoelectric display device including the liquid crystal composition. The compound having the structure of general formula I is chemically and physically stable, and has higher clearing point, and both large dielectric anisotropy and large optical anisotropy at the same time. The compound having the structure of general formula I is well compatible with other liquid crystal compounds when applied in a liquid crystal composition, the composition has good stability especially in a low-temperature environment, the characteristic of fast response and a wide range of applicabilities, especially applicable to the IPS-type and TN-TFT-type liquid crystal display devices.

4. 发明申请

US20200332195A1 PSA-TYPE LIQUID CRYSTAL COMPOSITION AND DISPLAY DEVICE HAVING SAME 审中-公开
公开(公告)号：US20200332195A1
公开(公告)日：2020-10-22
申请号：US16832251
申请日：2020-03-27
申请人： Jiangsu Hecheng Display Technology Co., Ltd.
发明人： Wenyang Ma , Liwei Wang , Weigang Yan , Wenming Han , Haibin Xu
IPC分类号： C09K19/54 , C09K19/30
摘要： A PSA-type liquid crystal composition includes a host liquid crystal A and a polymerizable component B, where the host liquid crystal A includes one or more liquid crystal compounds, and the polymerizable component B includes at least one compound selected from compounds of general formula I-1, general formula I-2 and general formula I-3. A liquid crystal display device includes the PSA-type liquid crystal composition above. The PSA-type liquid crystal composition has better intersolubility, cannot be crystallized at a low-temperature environment, can form a relatively stable pretilt angle after the polymerization of the polymerizable component, avoids the image sticking, and inhibits the occurrence of a display defect, such as Zara Particle, during the polymerization.

5. 发明申请

US20200255738A1 COMPOUND, LIQUID CRYSTAL COMPOSITION AND PHOTOELECTRIC DISPLAY DEVICE THEREOF 审中-公开
公开(公告)号：US20200255738A1
公开(公告)日：2020-08-13
申请号：US16861320
申请日：2020-04-29
申请人： Jiangsu Hecheng Display Technology Co., Ltd.
发明人： Wenming Han , Wenqi Zhang , Wenyang Ma , Zhaoyuan Chen
IPC分类号： C09K19/34 , C07D319/06 , C09K19/44
摘要： A compound having the structure of general formula I is useful as a liquid crystal composition and as a photoelectric display device including the liquid crystal composition. The compound having the structure of general formula I is chemically and physically stable, and has higher clearing point, and both large dielectric anisotropy and large optical anisotropy at the same time. The compound having the structure of general formula I is well compatible with other liquid crystal compounds when applied in a liquid crystal composition, the composition has good stability especially in a low-temperature environment, the characteristic of fast response and a wide range of applicabilities, especially applicable to the IPS-type and TN-TFT-type liquid crystal display devices.

6. 发明授权

US10005959B2 Liquid crystal composition having negative dielectric anisotropy and display device thereof 有权
公开(公告)号：US10005959B2
公开(公告)日：2018-06-26
申请号：US15329250
申请日：2015-08-12
申请人： JIANGSU HECHENG DISPLAY TECHNOLOGY CO., LTD.
发明人： Wenming Han , Haibin Xu , Wenyang Ma
IPC分类号： G02F1/1333 , C09K19/30 , C09K19/54 , G02F1/1337
CPC分类号： C09K19/3066 , C09K19/542 , C09K2019/0448 , C09K2019/3004 , C09K2019/3016 , C09K2019/3027 , C09K2019/3096 , C09K2019/548 , G02F1/133365 , G02F1/133711 , G02F2001/133742 , G02F2202/022
摘要： The present invention discloses a liquid crystal composition comprising: 15-35% by weight of a compound of general formula I; 3-20% by weight of a compound of general formula II; 5-30% by weight of a compound of general formula III; 1-20% by weight of a compound of general formula IV; 10-35% by weight of a compound of general formula V-1 and/or a compound of general formula V-2; and 1-25% by weight of a compound of general formula VI. The liquid crystal composition provided by the present invention has the characteristics of an appropriate optical anisotropy, an appropriate dielectric anisotropy, a higher clearing point, a better voltage holding ratio, and a good UV-resistant stability, etc., and can be applied to a liquid crystal display.

7. 发明申请

US20180037818A1 LIQUID CRYSTAL COMPOSITION AND LIQUID CRYSTAL DISPLAY DEVICE 审中-公开
公开(公告)号：US20180037818A1
公开(公告)日：2018-02-08
申请号：US15568611
申请日：2016-04-21
申请人： JIANGSU HECHENG DISPLAY TECHNOLOGY CO., LTD.
发明人： HUIJUAN DAI , WENMING HAN , WENQUAN DING , PENGFEI LI , HAIBIN XU , DI HE , YUNYUN LIU , LIFANG YAO , WENYANG MA , DINGFU MA , HEMING ZHANG
IPC分类号： C09K19/34
摘要： A liquid crystal composition comprises a compound of general formula I serving as a first component; a compound of general formula II-1 and/or general formula II-2 serving as a second component; a compound of general formula III serving as a third component; a compound of general formula IV serving as a fourth component; a compound of general formula V serving as a fifth component; and a compound of general formula VI serving as a sixth component. The liquid crystal composition has at least one characteristic among the characteristics of a large dielectric anisotropy, a large optical anisotropy, a high voltage holding ratio and a low threshold voltage and the like, and is suitable to be used in a liquid crystal display device. Additionally, a liquid crystal display device comprising the liquid crystal composition is also provided.

8. 发明申请

US20170233654A1 LIQUID CRYSTAL COMPOSITION AND DISPLAY DEVICE THEREOF 有权
公开(公告)号：US20170233654A1
公开(公告)日：2017-08-17
申请号：US15504324
申请日：2015-10-12
申请人： JIANGSU HECHENG DISPLAY TECHNOLOGY CO., LTD.
发明人： Panpan WANG , Wenming HAN , Wenyang MA , Wenqi ZHANG
IPC分类号： C09K19/34 , C09K19/32
CPC分类号： C09K19/3405 , C09K19/32 , C09K19/3402 , C09K2019/0466 , C09K2019/123 , C09K2019/3004 , C09K2019/301 , C09K2019/3021 , C09K2019/3422
摘要： The present invention discloses a liquid crystal composition and a display device containing the same. The liquid crystal composition comprises one or more compounds of general Formula I; one or more compounds of general Formula II; and one or more compounds of general Formula III. The liquid crystal composition provided in the present invention has the properties of large optical and dielectric anisotropies, high clearing point, fast response speed, high resistivity, and good high-temperature and UV stability, and is applicable to a liquid crystal display (LCD), and particularly an LCD display requiring fast response speed, such that a good display effect of images without ghosting can be achieved when the LCD display works in a harsh environment.

9. 发明授权

US09273246B2 Triphenylene derivative and use thereof 有权
标题翻译：三亚苯衍生物及其用途
公开(公告)号：US09273246B2
公开(公告)日：2016-03-01
申请号：US14410144
申请日：2013-05-31
申请人： JIANGSU HECHENG DISPLAY TECHNOLOGY CO., LTD.
发明人： Xianfei Kong , Ming Yan , Yudong Tan , Zhaoyuan Chen , Shizhi You
IPC分类号： C07C69/92 , C09K19/32 , G02B5/30
CPC分类号： C09K19/322 , C07C69/92 , C09K19/32 , C09K2019/0429 , C09K2019/328 , G02B5/3016 , G02F2001/133633
摘要： A triphenylene derivative of general formula (I) or general formula (II) which can be used as a component of liquid crystal medium and the use thereof are provided in the present invention. This compound can be used to form a negative discotic liquid crystal composition having a suitable temperature range of liquid crystal phase and a lower clearing point, which can be used in TFT liquid crystal display as an optical compensation film (cell) material.
摘要翻译：在本发明中提供了可用作液晶介质组分的通式（I）或通式（II）的三亚苯衍生物及其用途。该化合物可用于形成具有合适的液晶相和下部透明点的温度范围的负盘状液晶组合物，其可用于作为光学补偿膜（电池）材料的TFT液晶显示器。

10. 发明申请

US20150076405A1 LIQUID CRYSTAL COMPOSITION AND DISPLAY DEVICE THEREOF 有权
标题翻译：液晶组合物及其显示装置
公开(公告)号：US20150076405A1
公开(公告)日：2015-03-19
申请号：US14394330
申请日：2013-04-10
申请人： JIANGSU HECHENG DISPLAY TECHNOLOGY CO., LTD
发明人： Wenming Han , Yudong Tan , Dingfu Ma , Biao Hu , Yiming Wang , Zhaoyuan Chen , Shizhi You
IPC分类号： C09K19/32
CPC分类号： C09K19/32 , C09K2019/0466
摘要： A liquid crystal composition and a liquid crystal display wherein the liquid crystal composition includes: a compound of general formula (I) including 1%-50% of the total weight of the liquid crystal composition; a compound of general formula (II) including 1%-60% of the total weight of the liquid crystal composition; a compound of general formula (III) including 1%-60% of the total weight of the liquid crystal composition; and a compound of general formula (IV) including 0-50% of the total weight of the liquid crystal composition—wherein the liquid crystal composition has a suitably wider nematic phase scope, a suitable optical anisotropy, a favorable low-temperature storage stability a faster response speed, can be used for outdoor work, has a good image display effect, and substantially free of streaking phenomenon.
摘要翻译：液晶组合物和液晶显示器，其中所述液晶组合物包括：包含液晶组合物总重量的1％-50％的通式（I）的化合物; 包含液晶组合物总重量的1％-60％的通式（II）的化合物; 包含液晶组合物总重量的1％-60％的通式（III）的化合物; 和包含液晶组合物总重量的0-50％的通式（IV）的化合物，其中液晶组合物具有适当更宽的向列相范围，适当的光学各向异性，良好的低温保存稳定性a 响应速度更快，可用于户外工作，具有良好的图像显示效果，并且基本上没有条纹现象。

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