ULTRAVIOLET RAY EMITTING DIODE UNIT, SET OF ULTRAVIOLET RAY EMITTING DIODE UNITS, INK JET DEVICE AND THREE-DIMENSIONAL MODELED OBJECT MANUFACTURING DEVICE
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United States of America Patent
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Issued Date -
Aug 13, 2015
app pub date -
Feb 4, 2015
filing date -
Feb 7, 2014
priority date (Note) -
Abandoned
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Abstract
To prevent generation of stray light from an ultraviolet ray emitting diode, an ultraviolet ray emitting diode unit 10 includes a single ultraviolet ray emitting diode 4, and a single transparent member 5 arranged to include an optical axis O, and in a cross section of the transparent member 5 that includes the optical axis O and that is vertical to a first direction (X direction) that vertically intersects with the optical axis O, a width in an optical axis direction of a center portion including the optical axis O is longer than a width in the optical axis direction of a peripheral portion that is farther away from the optical axis O than the center portion.
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