SPATIAL LIGHT MODULATORS

Characterization of edge effects in twisted nematic liquid crystal displays

[+] Author Affiliations
Andre´s Ma´rquez, Juan Campos, Mari´a J. Yzuel

Universidad Auto´noma de Barcelona, Departamento de Fi´sica, 08193 Bellaterra, Spain

Ignacio Moreno

Universidad Miguel Hernandez, Departamento de Ciencia y Tecnologi´a de Materiales, 03202 Elche, Spain

Jeffrey A. Davis

San Diego State University, Department of Physics, San Diego, California?92182

Claudio Iemmi

Universidad de Buenos Aires, Facultad de Ciencias Exactas y Naturales, Departamento de Fi´sica, 1428 Buenos Aires, Argentina

Alfonso Moreno, Arnau Robert

Universidad Auto´noma de Barcelona, Departamento de Fi´sica, 08193 Bellaterra, Spain

Opt. Eng. 39(12), 3301-3307 (Dec 01, 2000). doi:10.1117/1.1321197
History: Received Dec. 6, 1999; Revised July 10, 2000; Accepted July 10, 2000
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Abstract

We present a model to more accurately describe the optical properties of a twisted nematic liquid crystal display (LCD). In particular, we study the optical properties of molecules near either edge of the LCD that are unable to twist and tilt under the application of an external electric field. The properties of these layers can be deduced from the intensity transmittances measured using different configurations of the external linear polarizers. The agreement between the theoretical and the experimental transmittances is excellent, thus enabling the prediction of the actual modulation for any configuration of the polarizers. © 2000 Society of Photo-Optical Instrumentation Engineers.

© 2000 Society of Photo-Optical Instrumentation Engineers

Topics

LCDs

Citation

Andre´s Ma´rquez ; Juan Campos ; Mari´a J. Yzuel ; Ignacio Moreno ; Jeffrey A. Davis, et al.
"Characterization of edge effects in twisted nematic liquid crystal displays", Opt. Eng. 39(12), 3301-3307 (Dec 01, 2000). ; http://dx.doi.org/10.1117/1.1321197


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