Computer graphics processing and selective visual display system – Display driving control circuitry – Intensity or color driving control
Reexamination Certificate
2011-08-30
2011-08-30
Lao, Lun-Yi (Department: 2629)
Computer graphics processing and selective visual display system
Display driving control circuitry
Intensity or color driving control
C345S087000, C345S089000, C345S692000, C345S077000, C345S204000
Reexamination Certificate
active
08009181
ABSTRACT:
An object of the present invention is to provide a display method capable of displaying all gray levels of an input image signal with reduced flicker, and a display apparatus using this method. The present invention provides a display method that allows a display apparatus to display gray levels represented by a first number of bits of an image signal inputted to a driver circuit that drives the display apparatus, when the first number of bits is larger than a second number of bits of gray-level data outputted from the driver circuit. The display method of the present invention includes a first pseudo gray-level display step of performing frame rate control while handling a first number of frames as one set, so as to add pseudo gray levels into the intervals between the individual gray levels represented by the second number of bits, and a second pseudo gray-level display step of performing frame rate control while handling a second number of frames as one set, so as to add at least one pseudo gray level into at least one of the intervals between the individual gray levels to which the first pseudo gray-level display step has been applied, wherein the second number of frames is different from the first number of frames.
REFERENCES:
patent: 2007/0126758 (2007-06-01), Hwang
patent: 5-72991 (1993-03-01), None
patent: 6-161391 (1994-06-01), None
patent: 10-49108 (1998-02-01), None
patent: 2003-288058 (2003-10-01), None
Abebe Sosina
Lao Lun-Yi
Mitsubishi Electric Corporation
Oblon, Spivak McClelland, Maier & Neustadt, L.L.P.
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