Title:
MATRIX ELEMENT PRECHARGE VOLTAGE ADJUSTING APPARATUS AND METHOD
Document Type and Number:
WIPO Patent Application WO2003033749
Kind Code:
A8
Abstract:
A method and apparatus for establishing and applying a voltage to precharge current-driven elements in a matrix. During ordinary scan cycles, a conduction voltage is sensed while the elements conduct a selected current. One or more such sensed conduction voltages are combined to provide a basis for a precharge voltage. Conduction and transient errors are determined, and are compensated for by offsetting the final precharge voltage from the conduction voltage basis. The final precharge voltage is provided to one or more columns during a precharge period of the scan cycle.
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Inventors:
LECHEVALIER ROBERT E
Application Number:
PCT/US2002/033426
Publication Date:
July 24, 2003
Filing Date:
October 17, 2002
Export Citation:
Assignee:
CLARE MICRONIX INTEGRATED SYST (US)
International Classes:
C22B9/02; G01R31/00; G05F3/02; G09G3/10; G09G3/30; G09G3/32; G09G5/00; H02M1/08; H02M3/07; H03F1/08; H03F3/45; H03F3/68; G09G; (IPC1-7): C22B9/02
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