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Proceedings Paper

CMOS dot matrix microdisplay
Author(s): Petrus J. Venter; Alfons W. Bogalecki; Monuko du Plessis; Marius E. Goosen; Ilse J. Nell; P. Rademeyer
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Paper Abstract

Display technologies always seem to find a wide range of interesting applications. As devices develop towards miniaturization, niche applications for small displays may emerge. While OLEDs and LCDs dominate the market for small displays, they have some shortcomings as relatively expensive technologies. Although CMOS is certainly not the dominating semiconductor for photonics, its widespread use, favourable cost and robustness present an attractive potential if it could find application in the microdisplay environment. Advances in improving the quantum efficiency of avalanche electroluminescence and the favourable spectral characteristics of light generated through the said mechanism may afford CMOS the possibility to be used as a display technology. This work shows that it is possible to integrate a fully functional display in a completely standard CMOS technology mainly geared towards digital design while using light sources completely compatible with the process and without any post processing required.

Paper Details

Date Published: 2 February 2011
PDF: 6 pages
Proc. SPIE 7956, Advances in Display Technologies; and E-papers and Flexible Displays, 79560Y (2 February 2011); doi: 10.1117/12.875131
Show Author Affiliations
Petrus J. Venter, Univ. of Pretoria (South Africa)
Alfons W. Bogalecki, INSiAVA (Pty) Ltd. (South Africa)
Monuko du Plessis, Univ. of Pretoria (South Africa)
Marius E. Goosen, INSiAVA (Pty) Ltd. (South Africa)
Ilse J. Nell, Univ. of Pretoria (South Africa)
P. Rademeyer, INSiAVA (Pty) Ltd. (South Africa)

Published in SPIE Proceedings Vol. 7956:
Advances in Display Technologies; and E-papers and Flexible Displays
Karlheinz Blankenbach; Liang-Chy Chien; Sin-Doo Lee; Ming Hsien Wu, Editor(s)

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