Patent Number: 7,786,969

Title: Liquid crystal display device and driving method of the same

Abstract: In an OCB liquid crystal display device, a gradation voltage of a video signal is set to be lower than a black display optimum voltage, and a reverse transition prevention voltage is set to be higher than the black display optimum voltage and to be lower than a maximum applied voltage, and as the gradation voltage of the video signal becomes low, the reverse transition prevention voltage is set to be high.

Inventors: Araki; Shigesumi (Ishikawa, JP), Nishiyama; Kazuhiro (Ishikawa, JP), Okita; Mitsutaka (Ishikawa, JP), Suzuki; Daiichi (Miyagi, JP)

Assignee: Toshiba Matsushita Display Technology Co., Ltd.

International Classification: G09G 3/36 (20060101)

Expiration Date: 8/31/12018