Abstract

The in-plane switching (IPS) mode liquid crystal display (LCD) panels with different pretilt angles and alignment directions are prepared, and their electro-optical properties and viewing angle characteristics are examined. The examination shows that parallel alignment with a pretilt angle of about 3* brings about a panel with very wide viewing angle characteristics and little color shift in relation to that viewing angle. The pretilt angle of 3* can be achieved by conventional alignment film for Twisted Nematic mode LCD, and higher productivity of IPS-mode LCD panels in consequently expected.

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