公开(公告)号：US20250043182A1

公开(公告)日：2025-02-06

申请号：US18579713

申请日：2023-10-13

Applicant: East China University of Science and Technology

Inventor： Zhigang ZHENG ,  Conglong YUAN ,  Jiajun CHEN ,  Yuxing ZHAN ,  Huixian LIU

IPC: C09K19/12 ,  C09K19/02 ,  C09K19/20

Abstract: Provided are a twist-bend nematic (NTB) LC dimer-based material and use thereof, and an LC-based cholesteric heliconical (CH) material and use thereof. The NTB LC dimer-based material is at least one selected from the group consisting of CBnCB, CBnOCB, and CBOnOCB, with n being a positive integer of 3 to 15. Based on ultra-stable properties of the material, the disclosure further provides the LC-based CH material, which uses the LC dimer-based material as a key raw material and integrates a conventional nematic LC monomer material and a chiral molecule.

公开(公告)号：US20170153490A1

公开(公告)日：2017-06-01

申请号：US15316429

申请日：2014-06-05

Applicant: EAST CHINA UNIVERSITY OF SCIENCE AND TECHNOLOGY

Inventor： Zhigang ZHENG

IPC: G02F1/1333 ,  C09K19/60 ,  G02F1/1334 ,  C09K11/06 ,  C09B31/12 ,  C09K19/58 ,  C09K19/54

CPC classification number: G02F1/133362 ,  C09B31/12 ,  C09K11/06 ,  C09K19/52 ,  C09K19/54 ,  C09K19/544 ,  C09K19/586 ,  C09K19/60 ,  C09K2019/546 ,  C09K2211/1007 ,  C09K2211/1088 ,  G02F1/1334 ,  G02F1/13725 ,  G02F1/13762 ,  G02F2202/046

Abstract: A photo-tunable liquid crystal composition may include a polymer matrix and a liquid crystal mixture dispersed within the polymer matrix. The liquid crystal mixture may include at least one achiral nematic liquid crystal material, at least sine photo-active chiral dopant, at least one photo-inactive chiral dopant, and at least one emissive dye. The composition may be fabricated in the form of an emulsion, a wet film, or a dry film. The dry film may be used in a photo-tunable liquid crystal film laser. The output wavelength of the photo-tunable liquid crystal film laser may be tuned by exposing the dry film to illumination having at least one wavelength at one or more transition wavelengths.

公开(公告)号：US20160145493A1

公开(公告)日：2016-05-26

申请号：US14898315

申请日：2013-06-14

Applicant: EAST CHINA UNIVERSITY OF SCIENCE AND TECHNOLOGY

Inventor： Zhigang ZHENG ,  Chao WANG

IPC: C09K19/60 ,  C09K19/54 ,  C09K19/58

CPC classification number: C09K19/601 ,  C09K19/126 ,  C09K19/2028 ,  C09K19/54 ,  C09K19/542 ,  C09K19/544 ,  C09K19/586 ,  C09K19/60 ,  C09K2019/0437 ,  C09K2019/0448 ,  C09K2019/2078

Abstract: Disclosed are polarization-independent electro-optical compositions using dichroic-dye-doped polymer stabilized optically isotropic chiral liquid crystals. The isotropic phase of such compositions can be well maintained even if the temperature is below 0° C. The electro-optical performances of such compositions demonstrate large Kerr constants, fast response times, and large contrast ratios of the compositions. The power consumption and the cost of devices based on the compositions can be decreased substantially due to alignment-free and polarizer-free characteristics. The compositions can be used to generate low power consumption displays and other photonic devices.

Abstract translation: 公开了使用二色性染料掺杂聚合物稳定的光学各向同性手性液晶的与偏振无关的电光组合物。 即使温度低于0℃，这种组合物的各向同性相也能得到很好的保持。这些组合物的电光学性能表现出较高的克尔常数，快速的响应时间和组合物的较大对比度。 由于无对准和无偏振特性，基于组合物的功率消耗和器件的成本可以显着降低。 该组合物可用于产生低功耗显示器和其它光子器件。