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  • Received: Apr. 5, 2006

    Accepted: --

    Posted: Aug. 27, 2006

    Published Online: Aug. 27, 2006

    The Author Email: Yong Wang (wangyong@zj165.com)

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    Yong Wang, Haisong Xu. Colorimetric characterization of liquid crystal display using an improved two-stage model[J]. Chinese Optics Letters, 2006, 4(7): 432

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Chinese Optics Letters, Vol. 4, Issue 7, 432 (2006)

Colorimetric characterization of liquid crystal display using an improved two-stage model

Yong Wang*and Haisong Xu

Author Affiliations

  • State Key Laboratory of Modern Optical Instrumentation, Zhejiang University, Hangzhou 310027

Abstract

An improved two-stage model of colorimetric characterization for liquid crystal display (LCD) was proposed. The model included an S-shape nonlinear function with four coefficients for each channel to fit the tone reproduction curve (TRC), and a linear transfer matrix with black-level correction. To compare with the simple model (SM), gain-offset-gain (GOG), S-curve and three-one-dimensional look-up tables (3-1D LUTs) models, an identical LCD was characterized and the color differences were calculated and summarized using the set of 7*7*7 digital-to-analog converter (DAC) triplets as test data. The experimental results showed that the model was outperformed in comparison with the GOG and SM ones, and near to that of the S-curve model and 3-1D LUTs method.

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