Light emitting diode lamp having a spherical radiating pattern
First Claim
1. An improved LED with an at least one semiconductor chip in electronic communication with first and second electrodes for a source of light, the at least one chip encased in a transparent, cylindrically shaped rod envelope having a central axis, a side wall, and an end opposite the chip, the improvements comprising:
- a concave lens with a concavity depressed toward the at least one chip and into the end of the envelope.
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Accused Products
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.
260 Citations
29 Claims
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1. An improved LED with an at least one semiconductor chip in electronic communication with first and second electrodes for a source of light, the at least one chip encased in a transparent, cylindrically shaped rod envelope having a central axis, a side wall, and an end opposite the chip, the improvements comprising:
a concave lens with a concavity depressed toward the at least one chip and into the end of the envelope. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
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17. An LED having an at least one semiconductor chip for producing light, the at least one chip mounted within a transparent envelope formed by side walls of a cylinder body, the LED comprising:
a cone shaped lens with a cone that projects longitudinally inward into the cylinder body toward the at least one semiconductor. - View Dependent Claims (18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29)
Specification