LED LUMINOUS FLUX CONVERTING LENS AND LIGHTING APPARATUS INCLUDING THE SAME
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United States of America Patent
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Issued Date -
Jul 24, 2014
app pub date -
Dec 30, 2013
filing date -
Jan 18, 2013
priority date (Note) -
Abandoned
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Abstract
A light emitting device (LED) luminous flux converting lens including a bonding portion that bonds the LED luminous flux converting lens to a supporting plate to fix the LED luminous flux converting lens. The LED luminous flux converting lens includes a bonding portion that protrudes from a boundary of an upper surface in a horizontal direction, and the bonding portion includes a first portion and a second portion having different thicknesses. The LED luminous flux converting lens includes a bonding portion that protrudes from a portion of a boundary of the upper surface in a horizontal direction. A luminous flux efficiency of the LED luminous flux converting lens may be increased by reducing loss in a luminous flux due to the bonding portion.
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