Light-emitting diode lampshade
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United States of America Patent
Stats
-
Sep 25, 2012
Grant Date -
Jul 19, 2012
app pub date -
Jan 18, 2011
filing date -
Jan 18, 2011
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An LED lampshade has a body and multiple light concentrators. The body has a light exit plane. The light concentrators are formed on the body. Each light concentrator has a light incident recess, a light transmitting recess and an third concentration wall. The light incident recess has a first concentration wall and a first chamber defined by the first concentration wall. The light transmitting recess corresponds to the light incident recess, and has a second concentration wall, a second chamber defined by the second concentration wall and opposite to the first chamber, and an opening formed through the light exit plane. The third concentration wall is formed around a periphery of the light concentrator. Given the opposite light incident recess and light transmitting recess and the three concentration walls, the LED lampshade enhances light transmittance and concentration therethrough.
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