Light Condensing Structure for Illuminating Device
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United States of America Patent
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Issued Date -
Nov 18, 2010
app pub date -
May 13, 2009
filing date -
May 13, 2009
priority date (Note) -
Abandoned
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Abstract
A light condensing structure for illuminating device includes a lamp shade; an optical unit located at an open end of the lamp shade and provided on one of two opposite sides with a plurality of concentric annular light condensing sections, each of which has an upward tapered cross-sectional shape; and a light-emitting element mounted in the lamp shade to face toward the other side of the optical unit. Divergent lights from the light-emitting element can be totally reflected (refracted) by the light condensing sections of the optical unit, so that an increased illuminating brightness can be achieved for the illuminating device.
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