Emissive display with improved persistence
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Oct 21, 2003
Grant Date -
Dec 12, 2002
app pub date -
Feb 22, 2000
filing date -
Feb 22, 2000
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A persistent emissive display device, includes: a light emitting element; a drive circuit connected to the light emitting element, the drive circuit including a transistor having a gate for controlling the power applied to the light emitting element; a storage capacitor connected to the gate of the drive circuit transistor; a control circuit for depositing charge to the storage capacitor; and a circuit element for reducing charge leakage from the storage capacitor, whereby attributes of the display including the persistence of the display, switching speed, and power can be optimized for a given application.
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