Addressing device for microtip flat display screens
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Feb 1, 2000
Grant Date -
N/A
app pub date -
Feb 15, 1996
filing date -
Feb 17, 1995
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A device for controlling an electrode of a flat display screen includes a first electrode constituting a microtip cathode, a second electrode constituting an anode provided with phosphor elements and a gate that is arranged in rows. At least one of the electrodes is arranged in columns. The device includes circuitry for individually addressing each column and for interrupting the biasing of a column as soon as its charge reaches a threshold voltage corresponding to a desired luminescence value.
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