Display device having first and second vertical drive circuits

Computer graphics processing and selective visual display system – Plural physical display element control system – Display elements arranged in matrix

Reexamination Certificate

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Reexamination Certificate

active

07961167

ABSTRACT:
A display device and mobile terminal are provided. The display device can narrow the pitch, narrow the frame, and further reduce power consumption. The display device includes a display area; a vertical drive circuit; a first horizontal drive circuit converting input first and second digital image data to analog image signals, and supplying the same to a data line selected by the vertical drive circuit; and a second horizontal drive circuit converting input third digital image data to an analog image signal, and supplying the same to a data line selected by the vertical drive circuit. The first horizontal drive circuit includes a sampling latch circuit, a second latch circuit, a digital/analog conversion circuit, and a line selector for selecting the first and second digital image data in a time division manner in a predetermined period and outputting the same to the data line.

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Fujino, Hiroaki; “Driving Device for Display Device and Module of the Display Device Using the Same Drving Device”, May 9, 2003. (JP 2003-131625 A; Machine Translation).
Japanese Office Action dated Sep. 15, 2009, for corresponding Japanese Patent Application 2004-359214.

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