Light emitting devices including multiple anodes and cathodes

摘要

Solid state (e.g., LED) lighting devices include multiple emitters mounted on or over a substrate comprising insulating material with conductive traces thereon, with various emitters being independently controllable with multiple pairs of anodes and cathodes that may be arranged on an opposite surface of the substrate than the emitters. Electrically conductive vias may be defined through the insulating substrate, and a molded lens may be provided over the substrate and emitters mounted thereon. Various combinations of independently controllable emitters or emitter groups may be provided, for example, a red emitter in combination with multiple blue shifted yellow (BSY) emitters, or separately controllable red, green, blue, and white (e.g., BSY) emitters.

主权项

1. A light emitting diode (LED) device comprising:
a substrate comprising insulating material and including a top surface, a bottom surface, and a plurality of side walls extending between the top surface and the bottom surface; a plurality of LEDs mounted on or over the top surface; and a plurality of anodes and a plurality of cathodes arranged on the bottom surface and in conductive electrical communication with the plurality of LEDs; wherein at least a first LED of the plurality of LEDs is in conductive electrical communication with a first anode of the plurality of anodes and with a first cathode of the plurality of cathodes; wherein at least a second LED of the plurality of LEDs is in conductive electrical communication with a second anode of the plurality of anodes and with a second cathode of the plurality of cathodes; and wherein the LED device is devoid of any anode or cathode arranged on, or extending laterally beyond, any side wall of the LED device.