基于动态散射模式的图案化透明显示器  

Patterned transparent display based on dynamic scattering mode

作　　者：刘文轩 张洋 陈家文 LIU Wenxuan;ZHANG Yang;CHEN Jiawen(Institute of Electronic Paper Displays,South China Academy of Advanced Optoelectronics,South China Normal University,Guangzhou 510006,China;School of Chemistry,South China Normal University,Guangzhou 510006,China)

机构地区：[1]华南师范大学华南先进光电子研究院,彩色动态电子纸显示技术研究所,广东广州510006 [2]华南师范大学化学学院,广东广州510006

出　　处：《液晶与显示》2025年第2期337-344,共8页Chinese Journal of Liquid Crystals and Displays

基　　金：国家重点研发计划(No.2020YFE0100200);广州市科技计划(No.202201000008);广东省光信息材料与技术重点实验室项目(No.2023B1212060065)。

摘　　要：基于动态散射模式(DynamicScattering Mode,DSM)的透明显示器目前已经成为显示行业中一项重要的技术。然而,DSM的图案化显示通常依赖于图案化电极,这不仅增加了制备工艺的复杂性,还提高了设备与生产成本。针对此问题,本研究提出一种利用掩膜版曝光技术在全覆盖电极上制备图案化DSM透明显示器的方法。通过在DSM体系中引入液晶单体并在指定区域曝光,利用聚合过程中掩膜区的液晶单体向曝光区迁移的特性,控制聚合物网络的分布。在施加电场后,曝光区致密的聚合物网络抑制了离子掺杂剂的运动,保持透明状态;而掩膜区则以液晶分子为主,能够产生动态散射效果,从而实现图案化显示。曝光区和掩膜区的开态对比度达到16。本文的研究结果为透明显示器的功能化及产业化发展提供了新的技术方向。Patterned transparent display based on dynamic scattering mode(DSM)has become a prominent technique in display industry.However,patterned DSM always depend on patterned electrodes,which not only make the preparation process more complex,and increase the cost of the equipment.To solve this problem,our research develops a method for fabricating patterned DSM transparent display which used a mask to expose the liquid crystal(LC)system on fully covered electrodes.By introducing LC monomers into the DSM system and expose on photopolymerization areas,the LC monomers in unexposed area will transfer to exposed area,thus control the distribution of the polymer network.When voltage is applied,the move of ion dopant will be restrained by dense polymer network in exposed area,so the exposed area will be transparent;In unexposed area,the movement of ion dopant changes the orientation direction of LC molecules,which can realize dynamic scattering effect,thus achieve patterned display.The contrast ratio(CR)in exposed area and unexposed area can reach 16.Our research offers a useful technology guidance for functional and industrial development of transparent displays.

关 键 词：动态散射模式 聚合物网络 图案化显示 透明显示器 

分 类 号：O753.2[理学—晶体学]