Light source
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Aug 1, 2000
Grant Date -
N/A
app pub date -
Sep 9, 1998
filing date -
Sep 12, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An LED light source for a lensed lamp is described. An LED chip sits in a hollow having a rectangular floor. A lower portion of the hollow has steep walls and accommodates the part of the chip that does not emit light. An upper part of the hollow has four side reflectors extending parallel to the sides of the chip and four corner reflectors. The hollow is formed by coining. The light source provides more uniform light than do previous arrangements having convergent lenses. The vertical viewing angle of the lamp is maintained throughout the whole of the horizontal viewing angle range of the lamp.
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