发明授权
US07542120B2 Vertical alignment active matrix liquid crystal display device having particular transparent step films 有权
具有特定透明步骤膜的垂直取向有源矩阵液晶显示装置

Vertical alignment active matrix liquid crystal display device having particular transparent step films
摘要:
A liquid crystal display device comprises a TFT substrate, a CF substrate, a liquid crystal with negative dielectric anisotropy filled between the substrates, a pixel electrode provided on the TFT substrate, and an auxiliary electrode formed around the pixel electrode. A slit for segmenting a pixel region into a plurality of sub-pixel regions is formed in the pixel electrode from the center portion of each pixel toward the periphery portion thereof. The auxiliary electrode has a transparent step film formed at a position corresponding to the slit of the pixel electrode in such a way as to overlie the auxiliary electrode. Molecules of the liquid crystal of each sub-pixel region are aligned toward center of the sub-pixel region from the circumference of the sub-pixel region by a horizontal electric filed applied between the pixel electrode and auxiliary electrode, and the shape of the end portion of the transparent step film.
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