Method for the control of an image display screen using the prin

Details Method for the control of an image display screen using the prin Method for the control of an image display screen using the prin

1997-02-20

2000-03-07

Shankar, Vijay

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

345 63, G09G 328

Patent

active

06034654&

ABSTRACT:
A method for the control of a display screen whose pixels are cells producing light is used to minimize certain image defects known as excess brightness defects caused by major variations in the number of cells activated. For this purpose, the invention operates on the sub-division of the activation times of the cells during a given cycle time to reduce a time during which cells, selected as a function of their luminance level, are the only ones to be activated. The disclosed method can be applied especially to the control of alternating type plasma panels.

REFERENCES:
patent: 5151690 (1992-09-01), Yamazaki
patent: 5162932 (1992-11-01), Kobayashi et al.
patent: 5233447 (1993-08-01), Kuribayashi et al.
patent: 5642128 (1997-06-01), Inoue

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