Contrast enhancement device for led arrays
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United States of America Patent
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-
May 21, 2002
Grant Date -
N/A
app pub date -
Mar 19, 1996
filing date -
Mar 19, 1996
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A contrast enhancement device for an LED display is achieved by providing rectangular wire screen of substantially the dimensions of the LED-bearing face of a module block LED array. The edges of the rectangular wire screen are ultrasonically welded to the edges of the LED-bearing face of the module block LED array.
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