Electron beam pumped mosaic array of light emitters
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United States of America Patent
Stats
-
Dec 2, 1986
Grant Date -
N/A
app pub date -
May 10, 1984
filing date -
May 10, 1984
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
In a CRT system the luminescent screen includes an ordered array of rows and columns of phosphor elements, illustratively made of single crystal material. Each element is surrounded on all sides (except the light output face) by reflective material. To enhance light extraction efficiency, the output face may be textured. An electron beam is made incident on the output face of selected ones of the elements and scans in two dimensions across the plane of the elements. Also described is an arrangement whereby the electron beam is made incident on the back surface of the elements opposite the output face.
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