Color characterization of twist nematic LC panels using empirical functions

Ming-Jiun Liaw; Han-Ping D. Shieh

doi:10.1117/12.311068

17 June 1998 Color characterization of twist nematic LC panels using empirical functions

Ming-Jiun Liaw, Han-Ping D. Shieh

Proceedings Volume 3421, Display Technologies II; (1998) https://doi.org/10.1117/12.311068
Event: Asia Pacific Symposium on Optoelectronics '98, 1998, Taipei, Taiwan

Abstract

An empirical exponential equation is proposed to characterize the transfer functions of the image signals to tristimulus values of twist nematic (TN) liquid crystal displays (LCDs). Parameters of the empirical equation can be determined according to the colorimetric measurements of the test panel without knowing the panel's physical details. A two-stage forward model is also proposed to model the color characteristics of TN LCDs by using the empirical function. Moreover, a backward model is derived to reproduce desired colors accurately on TN LCDs. The main benefit of the study is that only 12 colors should by measured to characterize color rendering on TN LCDs.

Citation Download Citation

Ming-Jiun Liaw and Han-Ping D. Shieh "Color characterization of twist nematic LC panels using empirical functions", Proc. SPIE 3421, Display Technologies II, (17 June 1998); https://doi.org/10.1117/12.311068

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