COVER STRUCTURE FOR BEAMSHAPING FOR LIGHT EMITTING DIODE PACKAGES

COVER STRUCTURE FOR BEAMSHAPING FOR LIGHT EMITTING DIODE PACKAGES

Solid-state lighting devices, and more particularly, cover structures for beamshaping for multi-chip light emitting diode (LED) components are disclosed. The cover structure can reduce the far field emission pattern variation due to having different light emission sources on a multi-chip LED compone...

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Hauptverfasser: Wilcox, Robert, Blakely, Colin, Ghoul, Cherif
Format: Patent
Sprache:eng
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BASIC ELECTRIC ELEMENTS
ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
SEMICONDUCTOR DEVICES
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creator Wilcox, Robert
Blakely, Colin
Ghoul, Cherif
description Solid-state lighting devices, and more particularly, cover structures for beamshaping for multi-chip light emitting diode (LED) components are disclosed. The cover structure can reduce the far field emission pattern variation due to having different light emission sources on a multi-chip LED component. The cover structure can include channels, or tunnels, within an otherwise light-transmissive material that perform beamshaping of at least a portion of the light emitted from the multiple LED chips. The beamshaping can be a result of a predetermined orientation and/or distribution pattern of the channels that redirect the light. The cover structure can also include textured surfaces or light-altering materials that can further diffuse the light emitted from the multi-chip LED component.
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subjects BASIC ELECTRIC ELEMENTS
ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
SEMICONDUCTOR DEVICES
title COVER STRUCTURE FOR BEAMSHAPING FOR LIGHT EMITTING DIODE PACKAGES
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