Pixel-level control of the Epson LCTV

Jeffrey A. Loudin; James C. Kirsch

doi:10.1117/12.138315

1 July 1992 Pixel level control of the Epson LCTV

Jeffrey A. Loudin, James C. Kirsch

Proceedings Volume 1701, Optical Pattern Recognition III; (1992) https://doi.org/10.1117/12.138315
Event: Aerospace Sensing, 1992, Orlando, FL, United States

Abstract

Liquid crystal televisions have become increasingly popular as low cost spatial light modulators. While the early devices suffered from poor resolution and low contrast, recent models compare favorably to the more traditional (and expensive) modulators. Most of the LCTVs are addressed through an RF interface to the external antenna or through a direct video input. This is a convenient interface for an input plane spatial light modulator where the scene information is provided by a video camera. Filters, however, are generally computer generated and the conversion to video can sometimes be an awkward step. A new drive circuit for the Epson Crystal Image video projector is currently under development at the U.S. Army Missile Command which allows pixel level control of the liquid crystal sandwich. This paper will discuss the proposed circuit designed to allow pixel by pixel control of the LCTV.

Citation Download Citation

Jeffrey A. Loudin and James C. Kirsch "Pixel level control of the Epson LCTV", Proc. SPIE 1701, Optical Pattern Recognition III, (1 July 1992); https://doi.org/10.1117/12.138315

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