Integration of organic FETs with organic photodiodes for a large area, flexible, and lightweight sheet image scanners

被引：224

作者：

Someya, T ^{[1
]}

Kato, Y

Iba, S

Noguchi, Y

Sekitani, T

Kawaguchi, H

Sakurai, T

机构：

[1] Univ Tokyo, Quantum Phase Elect Ctr, Sch Engn, Tokyo 1138656, Japan

[2] Univ Tokyo, Ctr Collaborat Res, Tokyo 1138656, Japan

来源：

IEEE TRANSACTIONS ON ELECTRON DEVICES | 2005年 / 52卷 / 11期

关键词：

flexible sensor; image sensor; large-area electronics; organic transistor;

D O I：

10.1109/TED.2005.857935

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

A large-area, flexible, and lightweight sheet image scanner has been successfully manufactured on a plastic film by integrating high-quality organic transistors and organic photodetectors. The effective sensing area of the integrated device is 5 x 5 cm(2); the resolution, 36 dots per inch (dpi); and the total number of sensor cells, 5184. The pentacene transistors with top contact geometry have a channel length of 18 mu m and mobility of 0.7 cm(2)/Vs. Organic photodetectors composed of copper phthalocyanine and 3,4,9,10-peryiene-tetracarboxylic-diimide distinguish between black and white parts on paper based on the difference in their reflectivity. Since this new area-type image-capturing device does not require any optics or mechanical scanning devices, the present sheet image scanners are mechanically flexible, lightweight, shock resistant, and potentially inexpensive to manufacture; therefore, they are suitable for human-friendly mobile electronics.

引用

页码：2502 / 2511

页数：10

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