Apparatus and method for reducing color error in display...

Details Apparatus and method for reducing color error in display... Apparatus and method for reducing color error in display...

2005-12-05

2011-10-11

Sherman, Stephen (Department: 2629)

Computer graphics processing and selective visual display system

Display driving control circuitry

Intensity or color driving control

Reexamination Certificate

active

08035659

ABSTRACT:
An apparatus and a method are provided for reducing color error in a display having a sub-pixel structure. The method includes: setting at least two directions based on a sub-pixel to be displayed and calculating differences of brightness values of at least two pixels or sub-pixels positioned in the set directions; selecting one of at least two of the differences and determining a direction indicated by the selected difference; determining at least one sub-pixel or pixel neighboring the sub-pixel to be displayed in consideration of the determined direction; and filtering a brightness value of the sub-pixel to be displayed and a brightness value of the determined at least one sub-pixel or pixel and re-assigning the filtered brightness value to the sub-pixel to be displayed.

REFERENCES:
patent: 6160901 (2000-12-01), Kage
patent: 2002/0051007 (2002-05-01), Kitagawa et al.
patent: 2004/0234163 (2004-11-01), Lee et al.
patent: 2004/0263442 (2004-12-01), Shingai et al.

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