Importance

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Abstract

Methods, systems, and devices are disclosed for implementing high brightness lighting. In one aspect, an LED lighting device includes a substrate capable of dissipating heat, an LED die located on the substrate, an optically reflective structure that is electrically insulative and located on the substrate and structured to form an optically reflective cavity around the LED die, an electrically conductive line structured at least partially within the optically reflective structure and electrically connected to the LED die for electrically driving the LED die to emit the light, a phosphor material located to receive light emitted by the LED die to emit light under optical excitation of the light from the LED die, and an optical element placed in an optical path of the light emitted by the phosphor material to produce better directionality of the emitted light than directionality of emitted light by the phosphor material without the optical element.

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First Claim