Light guide for low profile luminaire
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Dec 26, 2017
Issued Date -
N/A
app pub date -
Jan 30, 2017
filing date -
Oct 5, 2009
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A luminaire comprising a heat sink, a light source and a light guide. The light source is carried by the heat sink and configured to emit a source light. The light source includes a heat spreader having an inner surface and an outer surface, and a plurality of light-emitting diodes (LEDs) carried by a circuit board and disposed generally along an outer peripheral perimeter portion of the inner surface of the heat spreader, and positioned in thermal communication with the heat spreader. The light guide includes a lens with a plurality of optical elements disposed within the lens.
First Claim
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International Classification(s)
- 2017 Application Filing Year
- F21V Class
- 4330 Applications Filed
- 3148 Patents Issued To-Date
- 72.71 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 2 Citation Count
- F21V Class
- 16.38 % this patent is cited more than
- 8 Age
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Jun 26, 2025 |
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Jun 26, 2029 |
