Patent Number: 6,281,869

Title: Display device capable of enlarging and reducing video signal according to display unit

Abstract: The display device has a driving circuit provided with a pulse generator for generating a copying clock pulse signal within one horizontal period in addition to an original clock pulse signal upon an enlargement display, a gate clock generator for generating a gate clock signal obtained by superimposing the total original clock pulse signal and the copying clock pulse signal corresponding to a number obtained by subtracting the number of vertical pixels of a video signal from the number of vertical pixels of a display unit, and a gate driver for generating a plurality of gate driving signals brought to high levels with different timings in association with respective pulses in the gate clock signal and having high level periods equal in length to one another.

Inventors: Seino; Kenichi (Miyagi-ken, JP)

Assignee: Alps Electric Co., Ltd.

International Classification: G09G 3/36 (20060101); G09G 003/36 ()

Expiration Date: 08/28/2018