Light emitting diode lamp having a spherical radiating pattern
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United States of America Patent
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Feb 2, 1999
Issued Date -
N/A
app pub date -
Mar 10, 1997
filing date -
Mar 10, 1997
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An improved LED lamp having a uniquely shaped envelope to distribute the radiated light energy into a uniformly distributed spherical pattern. This novel lamp allows a 360 degree viewing angle in a horizontal plane about its central vertical axis, as well as, a 360 viewing angle about the vertical circle. The present invention utilizes a uniquely designed concave lens to establish a focal point within the envelope to re-radiate the radiant energy in a more efficient manner thereby creating a higher intensity without increasing the input power. Conventional LED's have a directional conical shaped pattern of concentrated light energy that provides suitable use in panel indicator lamp applications.
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