Display device
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Jul 30, 2002
Grant Date -
N/A
app pub date -
Jul 24, 2000
filing date -
Nov 23, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A disposable picture display device having a suitable substrate which carries a plurality of color cells. Each color cell is configured such as to exhibit a change in its external color and/or to emit electromagnetic energy at least in the form of visible light in correlation with the application of electrical current and/or voltage to the cell. Suitable electrical connections to each color cell are provided. The electrical connections being electrically connectable to a suitable electrical power supply and adapted to provide the color cell with a suitable current and/or voltage.
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