| 摘要 |
A pixel electrode for driving liquid crystal is formed on a planarization insulator film covering a thin film transistor, and a vertical alignment film without rubbing treatment is formed on the pixel electrode. An alignment control window that has electrode-free portion is formed in a common electrode, and a vertical alignment film is formed on the common electrode without rubbing treatment. The liquid crystal having negative dielectric constant anisotropy is controlled in an initial direction of the substantially normal direction without pretilt. Upon applying a voltage, the tilt of the alignment is controlled in the direction of a slanting electric field at the edge of the pixel electrode and the edge of the alignment control window, so that pixel division is performed. Since rubbing treatment is not performed, electrostatic breakdown of the thin film transistor is prevented and, because a black matrix is eliminated, aperture ratio is improved.
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