Display device
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Oct 19, 2004
Grant Date -
Jan 2, 2003
app pub date -
Jul 2, 2002
filing date -
Nov 23, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A picture display device is disclosed comprising a suitable substrate carrying a plurality of color cells wherein each color cell is capable of exhibiting a change in its external color from a first color to a second color and/or of emitting electromagnetic energy at least in the form of visible light. Each said color cell comprises color change and/or luminescent means characterized in enabling said cell to exhibit a color change from said first color to said second color and/or in enabling said cell to emit electromagnetic energy at least in the form of visible light in correlation to the application of electrical current and/or voltage to the said cell; suitable electrical connections electrically connectable to a suitable electrical power supply and adapted to provide said color cell with a suitable electrical current and/or voltage; said device characterized in being substantially disposable.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully