Radiation-emitting devices having an array of active components in contact with a fluorescent layer
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United States of America Patent
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Dec 6, 1994
Grant Date -
N/A
app pub date -
Feb 23, 1993
filing date -
Apr 7, 1992
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A display or other radiation-emitting device has an array of vertical ballistic transistors which produce electrons that flow into overlying phosphor regions. Light produced by the phosphors is focussed by an array of convex lenses above the phosphor regions to provide a high intensity display with limited viewing angle.
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