Electro-optical device and electronic apparatus

Details Electro-optical device and electronic apparatus Electro-optical device and electronic apparatus

2005-12-13

2009-11-24

Hjerpe, Richard (Department: 2629)

Computer graphics processing and selective visual display system

Display driving control circuitry

C345S055000, C345S087000

Reexamination Certificate

active

07623122

ABSTRACT:
An electra-optical device includes an electra-optical panel having scanning lines, data lines, and pixels corresponding to intersections of the scanning lines and the data lines. First and second scanning line driving circuits output scanning signals to odd-numbered scanning lines and even-numbered scanning lines, respectively. A pixel forming region is located between the first and second scanning line driving circuits. Each of the first and second scanning line driving circuits includes a shift register unit, an output control circuit, and an output buffer unit. The shift register unit sequentially shifts a start pulse based on a clock signal to produce output signals. The output control circuit generates scanning signals based on logical products of the scanning signals from the other of the first and second scanning line driving circuits and the output signals. The output buffer unit outputs the scanning signals to the scanning lines.

REFERENCES:
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patent: 7224341 (2007-05-01), Ishii et al.
patent: 2007/0064511 (2007-03-01), Shionoiri et al.
patent: 04-311175 (1992-11-01), None
patent: 10-221676 (1998-08-01), None
patent: 2000-227784 (2000-08-01), None
patent: 2001-166744 (2001-06-01), None

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