"Front Drive" Display Structure for Color Electronic Paper Using Fully Transparent Amorphous Oxide TFT Array

Manabu ITO  Masato KON  Chihiro MIYAZAKI  Noriaki IKEDA  Mamoru ISHIZAKI  Yoshiko UGAJIN  Norimasa SEKINE  

Publication
IEICE TRANSACTIONS on Electronics   Vol.E90-C   No.11   pp.2105-2111
Publication Date: 2007/11/01
Online ISSN: 1745-1353
DOI: 10.1093/ietele/e90-c.11.2105
Print ISSN: 0916-8516
Type of Manuscript: INVITED PAPER (Special Section on Electronic Displays)
Category: 
Keyword: 
transparent amorphous oxide semiconductor,  a-InGaZnO,  E Ink display,  color filter array,  thin film transistor,  front drive structure,  

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Summary: 
We demonstrate a novel display structure for color electronic paper for the first time. Fully transparent amorphous oxide TFT array is directly deposited onto color filter array and combined with E Ink Imaging Film. Taking advantage of the transparent property of the oxide TFT, the color filter and TFT array are positioned at the viewing side of the display. This novel "Front Drive" display structure facilitates the alignment of the color filter and TFT dramatically.