Patent Number: 6,310,616

Title: Voltage generating circuit, and common electrode drive circuit signal line drive circuit and gray-scale voltage generating circuit for display device

Abstract: A drive circuit for a display device supplying a plurality of gray-scale voltages to the display device, based on externally supplied digital video signal data, includes: a plurality of gray-scale power supplies, a plurality of drive power supplies, a unit for forming a first part of the plurality of gray-scale voltages using the gray-scale voltage power supplies, and a unit for forming a second part of the plurality of gray-scale voltages using the drive power supplies.

Inventors: Yanagi; Toshihiro (Nara, JP), Okada; Hisao (Ikoma-gun, JP), Nishitani; Tadatsugu (Amagasaki, JP), Yamamoto; Yuji (Kobe, JP), Takarada; Takeshi (Tenri, JP)

Assignee: Sharp Kabushiki Kaisha

International Classification: G09G 3/36 (20060101); H04N 3/12 (20060101); H04N 3/10 (20060101); G09G 005/00 ()

Expiration Date: 10/30/2018