Display device with improved representation of the shades of...

Computer graphics processing and selective visual display system – Display driving control circuitry – Intensity or color driving control

Reexamination Certificate

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Details

C345S207000, C345S589000, C348S671000

Reexamination Certificate

active

10616255

ABSTRACT:
The invention relates to a display device for rendering gray tone images on a monitor (31) controlled by s electron rays, wherein a correction unit (33) is provided for generating s output image signals As, which comprise gray tone values forming part of a set K of correction gray tones, from an image signal (34) which comprises gray tone values forming part of a set M of original gray tones (23), and the s output image signals As, after a D/A conversion, are fed each to one electron ray for a brightness-corrected rendering of a gray tone in one pixel of the monitor (31) for the purpose of adapting the brightness distribution of the monitor to the optimum perceptional brightness distribution.

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patent: 5883985 (1999-03-01), Pourjavid
patent: 6278496 (2001-08-01), Kitagawa et al.

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