Matrix of light-emitting elements and method of manufacturing same
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United States of America Patent
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-
May 3, 1988
Grant Date -
N/A
app pub date -
Nov 19, 1985
filing date -
Dec 7, 1984
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An electrically insulating substrate has an array of holes formed in it for accepting electrically conducting support pins, each pin having a light-emitting element mounted on the upper pin end. Each upper pin end is surrounded by an insulating ring and a conducting ring, the light emitting element being connected electrically between the conducting pin and the conducting ring. Electrical connections are made via a printed wiring pattern on each surface of the substrate. Optical collimating elements are formed in a wafer having openings that surround each of the conducting rings with a small clearance, the wafer engaging and being insulated from the substrate with the printed wiring.
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