Solid-state luminaires for general illumination

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United States of America Patent

PATENT NO 9605835
SERIAL NO

14611800

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A lighting panel includes a tile having a first side parallel to a principal plane of the lighting panel, a plurality of solid state lighting devices arranged on the first side of the tile and configured to emit light, a reflector sheet on the first side of the tile, and a brightness enhancement film on the reflector sheet. The reflector sheet may be arranged between the tile and the brightness enhancement film and the brightness enhancement film may be configured to increase the on-axis intensity of emitted light. A luminaire adapted for general illumination includes a lighting panel as described above, a current supply circuit configured to supply an on-state drive current to a string of lighting devices in response to a control signal, a photosensor arranged to receive light from one of the solid state lighting devices, and a control system configured to receive an output signal from the photosensor and to adjust the control signal responsive to the output signal of the photosensor.

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First Claim

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Patent Owner(s)

Patent OwnerAddress
BRIGHTPLUS VENTURES LLC17330 PRESTON RD SUITE 200 DALLAS TX 75252

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Roberts, John K Grand Rapids, US 126 20168

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