Screen-printing fabrication of electrowetting displays based on poly(imide siloxane) and polyimide

被引:25
|
作者
Chen, Xia [1 ]
He, Tao [1 ]
Jiang, Hongwei [1 ]
Wei, Biming [1 ]
Chen, Guofei [2 ]
Fang, Xingzhong [2 ]
Jin, Mingliang [1 ]
Hayes, Robert A. [1 ]
Zhou, Guofu [1 ]
Shui, Lingling [1 ]
机构
[1] S China Normal Univ, South China Acad Adv Optoelect, Inst Elect Paper Displays, Guangzhou 510006, Guangdong, Peoples R China
[2] Chinese Acad Sci, Ningbo Inst Mat Technol & Engn, Ningbo 315201, Zhejiang, Peoples R China
关键词
Electrowetting display; Printable fabrication; Screen-printing; Polyimide; BLOCK-COPOLYMERS; LIQUID LENS; VOLTAGE; ADHESION; DEVICES; CELLS;
D O I
10.1016/j.displa.2014.09.003
中图分类号
TP3 [计算技术、计算机技术];
学科分类号
0812 ;
摘要
We report a screen-printing fabrication process for large area electrowetting display (EWD) devices using polyimide-based materials. The poly(imide siloxane) was selected as hydrophobic insulator layer, and relatively hydrophilic polyimide as grids material. EWD devices that use poly(imide siloxane) as hydrophobic insulator fabricated with conventional methods showed good and reversible electrowetting performance on both single droplet level and device level, which showed its potential application in EWDs. The compatibility of polyimide-based materials (hydrophobic poly(imide siloxane) and hydrophilic polyimide) guarantee the good adhesion between two layers and the capability of printable fabrication. To this end, the hydrophilic grids have been successfully built on hydrophobic layer by screen-printing directly. The resulting EWD devices showed good switch performance and relatively high yield. Compared to conventional method, the polyimide-based materials and method offer the advantages of simple, cheap and fast fabrication, and are especially suitable for large area display fabrication. (C) 2014 Elsevier B.V. All rights reserved.
引用
收藏
页码:79 / 85
页数:7
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