Drive method to reduce power dissipation for flat panel display

Details Drive method to reduce power dissipation for flat panel display Drive method to reduce power dissipation for flat panel display

2005-11-23

2009-11-10

Hjerpe, Richard (Department: 2629)

Computer graphics processing and selective visual display system

Display driving control circuitry

Intensity or color driving control

C345S211000

Reexamination Certificate

active

07616222

ABSTRACT:
A control module for reducing power dissipation is connected to a column driving unit and a row driving unit. The control module includes a memory for storing display data temporarily and an arithmetic/logic unit connected to the memory. The arithmetic/logic unit takes grayscale image data of a current conducted row as a base row to compare with the grayscale image data of n rows that are temporarily stored in the memory and waiting to be scanned, so as to select the row with a minimum gray level difference as a next conducted row.

REFERENCES:
patent: 4323896 (1982-04-01), Fiedler et al.
patent: 5444457 (1995-08-01), Hotto
patent: 7239297 (2007-07-01), Tajima et al.
patent: 2004/0257389 (2004-12-01), Saito et al.

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