LCDの正確なカラーキャラクタライゼーションモデルとその応用性に関する評価(<小特集>ディスプレイ-Asia Display / IDW'01 関連-)

概要

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We investigated the color characterization of LCDs because the workflow of the current ICC profile for display devices is inadequate for precisely managing the colors of LCDs due to the particular characteristics of the LCD components such as retardation, cross-talk, and non-linearity. To clarify these properties of the LCDs, we first investigated the characteristics of LCD components. In addition to the problem of primary color displacement, we identified other problems in practice that have to be considered for color management of LCDs. To solve these problems, we experimentally tested the color management of LCDs and found that subtracting the leakage light first to compensate for the displacement of the primary color works well in specially designed LCDs, but not in ordinary LCDs. We also found a color management error that cannot be disregarded. To solve these problems we investigated the application of a high-order 3x8 matrix. A significant improvement in color management was achieved. We also investigated the color management of LCDs installed in general bright environments. These findings should lead to a new color characterization model for LCDs that takes these problems into consideration.
社団法人映像情報メディア学会の論文
2002-08-01