Dye-Doped Polymer Dispersed Liquid Crystal Films for Flexible Displays

被引：21
|
作者：
Yang, Kee-Jeong [1 ]
Lee, Seung-Chul [2 ]
Choi, Byeong-Dae [1 ]
机构：
[1] DGIST, Div Nano & Bio Technol, Taegu 704230, South Korea
[2] Keimyung Univ, Dept Chem Engn, Taegu 704230, South Korea
来源：
JAPANESE JOURNAL OF APPLIED PHYSICS | 2010年 / 49卷 / 05期
关键词：
D O I：
10.1143/JJAP.49.05EA05
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Red, green, and blue dyes were doped to polymer dispersed liquid crystal (PDLC) films for flexible display applications. Dichroic dye-doped liquid crystal droplets had a bipolar configuration. The E7-DG6071-dye composition showed better chromaticity data than other compositions. The small-particle-size red-dye-doped PDLC film showed good color differences. To improve the color difference, the dye particle size has to be small, and the bead milling process can make dye particles small. In this system, the bigger the liquid crystal droplet size, the higher the PDLC film driving voltage (Von), except in the LC-DG6071-red dye composition. This is the reason that the splay deformation increase is greater than the droplet size increase. In the electro-optic characteristics of dye-doped PDLC film, the TL205-DG6071-red dye composition had the lowest Von and the TL205-DG7052-red dye had the highest contrast ratio. (C) 2010 The Japan Society of Applied Physics
引用
收藏
页码：05EA051 / 05EA055
页数：5
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