Light emitting device with patterned surfaces
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United States of America Patent
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May 1, 2007
Grant Date -
Oct 21, 2004
app pub date -
Nov 26, 2003
filing date -
Apr 15, 2003
priority date (Note) -
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Abstract
Light-emitting devices, and related components, systems and methods are disclosed. The light-emitting device can include a multi-layer stack of materials including a light-generating region and a first layer supported by the light-generating region. A surface of the first layer can be configured so that light generated by the light-generating region can emerge from the light-emitting device via the surface of the first layer. The surface of the first layer can have a dielectric function that varies spatially according to a pattern that has an ideal lattice constant and a detuning parameter with a value greater than zero.
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