Display driver circuit, electro-optical device, and display...

Computer graphics processing and selective visual display system – Single display system having stacked superimposed display...

Reexamination Certificate

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Details

C345S099000, C345S098000

Reexamination Certificate

active

06967634

ABSTRACT:
The present invention provides a display driver circuit having a simple configuration due to a decrease in the number of voltage levels and capable of preventing deterioration of contrast ratio in display drive by using MLS, an electro-optical device, and a display drive method. First to fourth bits of grayscale data corresponding to a display pattern for three lines are supplied to each ROM. The ROMs decode and output 4MLS operation results for a display pattern defined by the first to fourth bits of the grayscale data and a dummy display-pattern corresponding to the display pattern based on orthogonal functions defined by combinations of a scan pattern and a dummy scan pattern of a virtual electrode based on a field signal.

REFERENCES:
patent: 6154189 (2000-11-01), Tamura et al.
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patent: 11-258575 (1999-09-01), None
patent: 2000-258751 (2000-09-01), None
patent: 2001-109440 (2001-04-01), None
patent: 2001-236044 (2001-08-01), None

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