-
公开(公告)号：US12043783B2
公开(公告)日：2024-07-23
申请号：US18056586
申请日：2022-11-17
发明人： Xiaolong Wang , Qing Cui , Yunxia Qiao , Yan Wang , Shuai Zhao , Hao Liu
IPC分类号： G02F1/1333 , C09K19/12 , C09K19/30 , C09K19/34
CPC分类号： C09K19/3405 , C09K19/12 , C09K19/3003 , C09K19/3402 , C09K2019/123 , C09K2019/124 , C09K2019/3004 , C09K2019/301 , C09K2019/3016 , C09K2019/3408 , C09K2019/3422 , C09K2019/3425
摘要： A liquid crystal composition containing a benzochromene compound and the use thereof in a liquid crystal display element or liquid crystal display. The liquid crystal composition comprises one or more compounds represented by Formula I and one or more compounds represented by Formula II. The liquid crystal composition has the characteristics of a small rotational viscosity, a large elastic constant, a high transmittance, a fast response speed, a strong resistance to ultraviolet light irradiation, and a high long-time light stability, and is particularly suitable for the field of TV display.
-
2.发明授权公开(公告)号：US11976229B2
公开(公告)日：2024-05-07
申请号：US17997706
申请日：2020-08-25
发明人： Wei Zhang , Qing Cui , Gang Wen , Sumin Kang
IPC分类号： G02F1/1333 , C09K19/12 , G02F1/137
CPC分类号： C09K19/12 , G02F1/13712 , C09K2019/122 , C09K2019/123
摘要： The present invention belongs to the technical field of liquid crystal materials, and in particular relates to a negative liquid crystal composition and a liquid crystal display element or liquid crystal display containing the liquid crystal composition. The present invention discloses a negative dielectric nematic liquid crystal composition, comprising a compound represented by Formula I, one or more compounds represented by Formula II, and one or more compounds represented by Formula III. The liquid crystal composition has a relatively low rotational viscosity (γ1), a high clearing point (Cp), a good solubility and a high stability to heat and light (VHR) on the basis of maintaining an appropriate optical anisotropy (Δn), and can be used for developing a liquid crystal display element or liquid crystal display with a low cell thickness, a wide temperature for display, and a fast response.
-
公开(公告)号：US11424418B2
公开(公告)日：2022-08-23
申请号：US16848392
申请日：2020-04-14
发明人： Jianhua Cao , Zhe Shao , Yan Sui , Minhui Jia , Shibo Wang , Weizhuang He
摘要： The present invention relates to an organic electroluminescent material, an organic electroluminescent device, and a method for preparing the organic electroluminescent device. Due to comprising an organic compound A with 3.0 eV>ET≥2.0 eV and a compound B of M(LA)x(LB)y(LC)z, the organic electroluminescent material of the present invention has the advantages of an increased luminescence lifetime and/or a reduced operating voltage on the basis of maintaining other electronic properties at a certain level.
-
公开(公告)号：US11208395B2
公开(公告)日：2021-12-28
申请号：US16473978
申请日：2018-05-08
发明人： Ming Li , Hongru Gao , Guoliang Yun , Xing Zhang , Jinsong Meng , Li Zhang , Lei Zhao , Yanli Dong
IPC分类号： G02F1/1333 , C07D333/76 , C07D409/04 , C07D409/06 , C07D409/12 , C09K19/06 , C09K19/30
摘要： The present invention discloses a compound of which a structural formula thereof is represented as the following formula: The compound disclosed by the present invention can be used as a liquid crystal compound and overcomes the problem that solubility of the traditional dibenzothiophene-class liquid crystals is poor, and thus can be better applied to the liquid crystal material field. The present invention further discloses a liquid crystal medium containing the compound and an application thereof.
-
公开(公告)号：US11060030B2
公开(公告)日：2021-07-13
申请号：US16221327
申请日：2018-12-14
发明人： Ke-Lun Shu , Mingxia Wang , Huan Liu , Wenxiao Xing , Zhengqiang Li , Yiping Wang , Yongfeng Bao , Guoliang Yun
IPC分类号： G02F1/1333 , C09K19/44 , C09K19/32 , C09K19/20 , C09K19/12 , C09K19/30 , C09K19/34 , C09K19/04
摘要： A negative dielectric anisotropy liquid crystal composition having one or more A-R0—B compounds represented by formula I above as a first component, and one or more compounds represented by formula II above as a second component: The liquid crystal composition has a good stability against light and heat, a lower viscosity, a wider refractive index that may be achieved by adjusting the monomer ratio, and a higher clearing point (a very wide service temperature range). The liquid crystal composition has a higher light transmittance, thus allowing a display device to have a higher brightness or an energy saving effect.
-
公开(公告)号：US11021654B2
公开(公告)日：2021-06-01
申请号：US16285553
申请日：2019-02-26
发明人： Zhian Liang , Guoliang Yun , Yujing Di , Zhe Shao , Sumin Kang , Dongmei Wang
摘要： Disclosed is a liquid crystal composition comprising one or more compounds represented by formula I, one or more compounds represented by formula II, and one or more compounds represented by formula III: The liquid crystal composition has simultaneously a lower rotary viscosity, a better photoelectric performance, a higher clearing point, a good low temperature performance, and less display defects. Further disclosed is a liquid crystal display element or device comprising the liquid crystal composition.
-
公开(公告)号：US11015122B2
公开(公告)日：2021-05-25
申请号：US16228359
申请日：2018-12-20
发明人： Kui Wang , Mingxia Wang , Zhian Liang , Guoliang Yun , Ke-Lun Shu , Guofang Wang , Huifang Wang
摘要： The present invention provides a liquid crystal composition formed by combining a polymerizable compound represented by formula I with a specific liquid crystal component, particularly a PSVA liquid crystal composition for displays or TV applications and a PSA-IPS liquid crystal composition for an IPS mode, and a liquid crystal display element or liquid crystal display comprising this liquid crystal composition; in particular, the polymerizable compound has a faster polymerization rate, and a “material system” formed from the selected polymerizable component and liquid crystal component should have the lowest rotary viscosity and the best photoelectric properties, and has a high VHR after (UV) photoradiation, this avoiding the problem of the occurrence of residual images to final displays.
-
公开(公告)号：US10954445B2
公开(公告)日：2021-03-23
申请号：US16139431
申请日：2018-09-24
发明人： Ke-Lun Shu , RuiXiang Liang , YanLi Dong , YunXia Qiao , Lei Zhao , HuBo Zhang
摘要： Disclosed is a liquid crystal composition comprising one or more compounds represented by formula I and/or formula II and one or more compounds represented by formula III: wherein the definition of each substituent is given. The composition involved in the present invention has a low viscosity γ1, a high clearing point Tni and a large optical anisotropy Δn, and can realize a rapid response of liquid crystal display.
-
公开(公告)号：US10858588B2
公开(公告)日：2020-12-08
申请号：US16126667
申请日：2018-09-10
发明人： Mingxia Wang , Xing Zhang , Huifang Wang , Guofang Wang , Jianming Cheng , Zhe Shao , Guoliang Yun
IPC分类号： G02F1/1333 , C09K19/34 , G02F1/137 , G02F1/1368 , C09K19/30 , C09K19/12
摘要： The present invention discloses a negative dielectric anisotropic liquid crystal composition, characterized in that the liquid crystal composition comprises one or more compounds represented by formula I, one or more compounds represented by formula II, one or more compounds represented by formula III and one or more compounds represented by formula IV, In the liquid crystal molecules of the composition, the van der Waals force therebetween is used as a motive force, such that the liquid crystal molecules generate an attractive force at an appropriate distance and positional relationships, thereby enabling the liquid crystal molecules to have excellent regular alignment characteristics, which is favorable for the liquid crystal molecules to modulate the transmission and blocking of light in the liquid crystal display device.
-
10.发明授权公开(公告)号：US10577325B2
公开(公告)日：2020-03-03
申请号：US15714295
申请日：2017-09-25
发明人： Jianhua Cao , Shibo Wang , Ruimao Hua
IPC分类号： C07D209/86 , C07D209/88 , H01L51/00 , H01L51/50 , C09K11/06
摘要： Disclosed are a method for preparing a series of carbazole derivatives and use thereof in organic light-emitting diodes. The structure of the material is as shown in Formula I. An organic electroluminescent device prepared by the material can have a significantly improved power efficiency and an external quantum efficiency for the device and an extended life for an orange light or red light device; moreover, the material has characteristics, for example, methods for the synthesis and purification of the material are simple and suitable for large-scale production, and is an ideal choice as a luminescent material for organic electroluminescent devices. The use of the organic electroluminescent diode material as a carrier transport material or as a luminescent material alone or as a host material in a light-emitting layer also falls within the scope of protection.
-
-
-
-
-
-
-
-
-
搜索结果
84 条记录 (耗时 0.025 秒)
