Title

Fringing-Field Effects on High-Resolution Liquid Crystal Microdisplays

Authors

Authors

K. H. Fan-Chiang; S. T. Wu;S. H. Chen

Comments

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Abbreviated Journal Title

J. Disp. Technol.

Keywords

Beam-propagation method (BPM); fringing-field effect; liquid-crystal-on-silicon (LCOS); projection display; Engineering, Electrical & Electronic; Optics; Physics, Applied

Abstract

Fringing- field effects on high-resolution liquid crystal microdisplay devices, including the reflection-type liquid-crystal-on-silicon (LCOS) and transmission-type poly-silicon thin-film-transistor liquid crystal displays are simulated by the beam propagation method. The electro-optic performances of six commonly used liquid crystal modes are analyzed by the two-dimensional optical simulator. The vertically aligned (VA) cell exhibits the highest contrast ratio, but its fringing-field effect is severe. A circularly polarized light illuminated LCOS device is presented to eliminate the fringing-field effect of the VA cell. Both simulated and confirming experimental results show that the long-standing problems of poor sharpness, low brightness, and slow transition time of the VA cell can be overcome by using a circularly polarized light.

Journal Title

Journal of Display Technology

Volume

1

Issue/Number

2

Publication Date

1-1-2005

Document Type

Article

Language

English

First Page

304

Last Page

313

WOS Identifier

WOS:000207089200016

ISSN

1551-319X

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