一种全息聚合物分散液晶组合物及器件及方法

By regulating the competitive kinetics between thiol-olefin click chemistry and free radical polymerization, an anisotropic polymer network was created, solving the problem of insufficient S-ray diffraction efficiency in HPDLC and achieving a significant improvement in S-ray diffraction efficiency, thus meeting the polarization performance requirements of high-end optical devices.

CN121851269BActive Publication Date: 2026-07-17NIKA OPTICS (TIANJIN) CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
NIKA OPTICS (TIANJIN) CO LTD
Filing Date
2026-03-13
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Existing HPDLC fabrication techniques cannot specifically adjust the diffraction efficiency of S-rays, resulting in high randomness in polarization performance, which cannot meet the precise design requirements of high-end optical devices.

Method used

By precisely controlling the competitive kinetics of the thiol-alkene click chemistry reaction and the free radical polymerization reaction, a polymer network with anisotropic microstructure is shaped, selectively enhancing the refractive index modulation of S-polarized light and thus improving the S-ray diffraction efficiency.

Benefits of technology

Without affecting the diffraction efficiency of P-beams, the diffraction efficiency of S-beams is significantly improved, meeting the precise design requirements of high-end optical devices for polarization performance.

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Abstract

本发明涉及全息投影显示技术领域,提供一种全息聚合物分散液晶组合物及器件及方法,以质量份计,所述组合物包括:光引发剂0.5~2份,协引发剂2~5份,第一单体0~15份,第二单体5~12份,第三单体1~5份,硫醇10~15份,烯烃10~15份,溶剂5~10份,液晶30~40份;其中所述第一单体为单官能度丙烯酸酯单体,所述第二单体为双官能度丙烯酸酯单体,所述第三单体为多官能度丙烯酸酯单体。优点:在减少影响P偏振光衍射效率的前提下,选择性增强对S偏振光的折射率调制,实现S光衍射效率的特异性提升。
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