Apparatus and method for displaying gray scales of plasma...

Details Apparatus and method for displaying gray scales of plasma... Apparatus and method for displaying gray scales of plasma...

2007-06-19

2007-06-19

Hjerpe, Richard (Department: 2629)

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

C345S060000, C345S062000, C345S067000, C345S690000

Reexamination Certificate

active

10210110

ABSTRACT:
The apparatus for displaying plasma display panel (PDP) gray scales includes an automatic power controller for detecting an average signal level (ASL) in each field of video data; first and second frame memories for storing the video data in even and odd frames; a sub-field generator for mapping the video data according to the number of sub-fields, generating gray scale data, and selectively storing them in the frame memories; an address data generator for generating address data and applying them to the PDP; an ASL controller for comparing the numbers of sub-fields in each field with each other, and controlling the number of sub-fields; and a sustain scan pulse generator for receiving the number of sub-fields, generating sustain pulses and scan pulses, and applying them to the PDP.

REFERENCES:
patent: 6690388 (2004-02-01), Kasahara et al.

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