Ellipsometric measurements applied to liquid crystal display technology

Leonard G. Hale; Donald B. Taber; Eric Schonning; Donato Rizzi; William J. Gunning III; John P. Eblen Jr.

doi:10.1117/12.186664

14 September 1994 Ellipsometric measurements applied to liquid crystal display technology

Leonard G. Hale, Donald B. Taber, Eric Schonning, Donato Rizzi, William J. Gunning III, John P. Eblen Jr.

Proceedings Volume 2265, Polarization Analysis and Measurement II; (1994) https://doi.org/10.1117/12.186664
Event: SPIE's 1994 International Symposium on Optics, Imaging, and Instrumentation, 1994, San Diego, CA, United States

Abstract

Variable angle transmission ellipsometry has been used to characterize the various elements of the liquid crystal display (LCD) architecture. Ellipsometric data, which are in the form of polarization ellipses as a function of incident angle, are analyzed using the 2 X 2 extended Jones matrix formalism. Information which can be deduced from the ellipsometric data includes the birefringence, cell gap, twist angle, and pretilt angle of the liquid crystal cell, polarization efficiency of the polarizers, as well as the retardation values of birefringent compensators. The ellipsometric method is capable of complete characterization of the polarization state of the transmitted light.

Citation Download Citation

Leonard G. Hale, Donald B. Taber, Eric Schonning, Donato Rizzi, William J. Gunning III, and John P. Eblen Jr. "Ellipsometric measurements applied to liquid crystal display technology", Proc. SPIE 2265, Polarization Analysis and Measurement II, (14 September 1994); https://doi.org/10.1117/12.186664

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