Optical metrology for high fidelity LCD-TV

Michael E. Becker; Bogdan B. Kosmowski

doi:10.1117/12.675773

20 April 2006 Optical metrology for high fidelity LCD-TV

Michael E. Becker, Bogdan B. Kosmowski

Proceedings Volume 6158, Lightmetry and Light and Optics in Biomedicine 2004; 61580G (2006) https://doi.org/10.1117/12.675773
Event: Lightmetry and Light and Optics in Biomedicine 2004, 2004, Warsaw, Poland

Abstract

The current status of optical metrology of LCD (Liquid Crystal Display) is reviewed in general and shortcomings of characterization of the visual performance of LCD-screens when high visual fidelity is a prime issue are described. We introduce instrumentation, procedures and evaluations for assessment of the visual properties of LCD-TV screens as a solid basis for a clear and objective rating of their performance. Identification of visual artifacts, color and gray-scale fidelity over the complete viewing-cone and under realistic ambient illumination as well as balanced response times between gray-levels are topics of this paper. A novel approach for scanning of the viewing-directions with simultaneous acquisition of 9 spectra is introduced as a solution for the dilemma of speed of measurement and colorimetric precision.

Citation Download Citation

Michael E. Becker and Bogdan B. Kosmowski "Optical metrology for high fidelity LCD-TV", Proc. SPIE 6158, Lightmetry and Light and Optics in Biomedicine 2004, 61580G (20 April 2006); https://doi.org/10.1117/12.675773

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