Thin film transistors for foldable displays

Author

Ma, E.Y. ; Theiss, S.D. ; Lu, M.H. ; Wu, C.C. ; Sturn, J.C. ; Wagner, S.

Author_Institution

Dept. of Electr. Eng., Princeton Univ., NJ, USA

fYear

1997

fDate

10-10 Dec. 1997

Firstpage

535

Lastpage

538

Abstract

We report the first amorphous silicon thin film transistors (TFTs) on flexible, ultra-thin substrates of 25 /spl mu/m thick stainless steel foil. The transistors remain operational under convex or concave bending down to 2.5 mm radius of curvature. The goal of our work is a transistor backplane circuit that can be folded, for use in active matrices in highly rugged and portable applications such as foldable intelligent maps. Our results suggest that such foldable backplane circuits are feasible.

Keywords

LED displays; amorphous semiconductors; elemental semiconductors; flat panel displays; silicon; thin film transistors; 2.5 mm; 25 micron; LED displays; Si; active matrices; amorphous semiconductors; concave bending; convex bending; foldable displays; foldable intelligent maps; portable applications; thin film transistors; transistor backplane circuit; ultra-thin substrates; Amorphous silicon; Backplanes; Chromium; Displays; Glass; Organic light emitting diodes; Steel; Stress; Substrates; Thin film transistors;

fLanguage

English

Publisher

ieee

Conference_Titel

Electron Devices Meeting, 1997. IEDM '97. Technical Digest., International

Conference_Location

Washington, DC, USA

ISSN

0163-1918

Print_ISBN

0-7803-4100-7

Type

conf

DOI

10.1109/IEDM.1997.650441

Filename

650441