Implementation and assessment of a tilt-angle-measurement system for liquid-crystal cells

Shu-Hsia Chen; Chen-Lung Kuo; Jong Guang Wei; Chia-Wei Hao

doi:10.1117/12.131316

27 October 1992 Implementation and assessment of a tilt-angle-measurement system for liquid-crystal cells

Shu-Hsia Chen, Chen-Lung Kuo, Jong Guang Wei, Chia-Wei Hao

Proceedings Volume 1815, Display Technologies; (1992) https://doi.org/10.1117/12.131316
Event: International Symposium on Optoelectronics in Computers, Communications, and Control, 1992, Hsinchu, Taiwan

Abstract

A tilt-angle-measurement system for liquid crystal cells has been implemented by using the phase retardation extrema method. It includes the rotation of the liquid-crystal film in a linearly polarized monochromatic light and the measurement of the transmitted intensities as a function of the incident angle with photodetectors. The average tilt angle is determined. The performance of this prototype system has been assessed both by numerical calculation and reliability measurement.

Citation Download Citation

Shu-Hsia Chen, Chen-Lung Kuo, Jong Guang Wei, and Chia-Wei Hao "Implementation and assessment of a tilt-angle-measurement system for liquid-crystal cells", Proc. SPIE 1815, Display Technologies, (27 October 1992); https://doi.org/10.1117/12.131316

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