Color characterization of twist nematic LC panels using empirical functions | Zendy

MingJiun Liaw | Zendy; HanPing D. Shieh | Zendy

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<title>Color characterization of twist nematic LC panels using empirical functions</title>

Author(s) -

MingJiun Liaw,

HanPing D. Shieh

Publication year - 1998

Publication title -

proceedings of spie, the international society for optical engineering/proceedings of spie

Language(s) - English

Resource type - Conference proceedings

SCImago Journal Rank - 0.192

H-Index - 176

eISSN - 1996-756X

pISSN - 0277-786X

DOI - 10.1117/12.311068

Subject(s) - twist , liquid crystal , liquid crystal display , exponential function , color difference , rendering (computer graphics) , computation , function (biology) , computer science , optics , mathematics , artificial intelligence , physics , mathematical analysis , algorithm , geometry , enhanced data rates for gsm evolution , evolutionary biology , biology

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.

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