Flat display screen with focusing grids
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Sep 19, 2000
Grant Date -
N/A
app pub date -
Nov 13, 1997
filing date -
Nov 22, 1996
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The present invention relates to a flat color display screen including a cathode associated with an electron extraction grid, an anode provided with at least two types of phosphor elements, all polarized to a same potential, and at least two additional superposed grids, positioned on the extraction grid, and each provided with holes defining sub-pixels associated with each of the colors. Each additional grid is associated with a color and some of the holes thereof are of smaller diameter than the coaxially corresponding holes of the other additional grids, for activating the sub-pixels of the corresponding color.
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