MOLDED LENS INCORPORATING A WINDOW ELEMENT
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United States of America Patent
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Issued Date -
Mar 17, 2011
app pub date -
Sep 17, 2009
filing date -
Sep 17, 2009
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A light emitter includes a light-emitting device (LED) die and an optical element over the LED die. The optical element includes a lens, a window element, and a bond at an interface disposed between the lens and the window element. The window element may be a wavelength converting element or an optically flat plate. The window element may be directly bonded or fused to the lens, or the window element may be bonded by one or more intermediate bonding layers to the lens. The bond between the window element and the lens may have a refractive index similar to that of the window element, the lens, or both.
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