Abstract: Light boards including one or more light emitting elements (e.g. light emitting diode (LED) devices) for use in lighting fixtures are disclosed. In one example implementation, a light board includes a first layer having a first surface and an opposing second surface. The light board includes one or more light emitting elements disposed on the first surface of the first layer. The light board includes one or more circuit elements located on the second surface of the first layer. The one or more circuit elements are associated with powering the one or more light emitting elements. The light board includes a second layer disposed on the second surface of the first layer such that the one or more circuit elements are located between the second surface of the first layer and the second layer.

Abstract: Light boards including one or more light emitting elements (e.g. light emitting diode (LED) devices) for use in lighting fixtures are disclosed. In one example implementation, a light board includes a first layer having a first surface and an opposing second surface. The light board includes one or more light emitting elements disposed on the first surface of the first layer. The light board includes one or more circuit elements located on the second surface of the first layer. The one or more circuit elements are associated with powering the one or more light emitting elements. The light board includes a second layer disposed on the second surface of the first layer such that the one or more circuit elements are located between the second surface of the first layer and the second layer.

Abstract: Light boards including one or more light emitting elements (e.g. light emitting diode (LED) devices) for use in lighting fixtures are disclosed. In one example implementation, a light board includes a first layer having a first surface and an opposing second surface. The light board includes one or more light emitting elements disposed on the first surface of the first layer. The light board includes one or more circuit elements located on the second surface of the first layer. The one or more circuit elements are associated with powering the one or more light emitting elements. The light board includes a second layer disposed on the second surface of the first layer such that the one or more circuit elements are located between the second surface of the first layer and the second layer.

Abstract: Light boards including one or more light emitting elements (e.g. light emitting diode (LED) devices) for use in lighting fixtures are disclosed. In one example implementation, a light board includes a first layer having a first surface and an opposing second surface. The light board includes one or more light emitting elements disposed on the first surface of the first layer. The light board includes one or more circuit elements located on the second surface of the first layer. The one or more circuit elements are associated with powering the one or more light emitting elements. The light board includes a second layer disposed on the second surface of the first layer such that the one or more circuit elements are located between the second surface of the first layer and the second layer.

Abstract: Multiphase lighting fixtures having one or more light emitting diode (LED) light sources are provided. In one example implementation, a light fixture includes one or more light sources, such as LED light sources and a power conversion circuit. The power conversion circuit includes a phase shifting transformer for implementing a phase shift between output phases of secondary windings thereof, a multi-phase rectifier having a first rectifier and a second rectifier connected in parallel for converting a multiphase input power to a rectified output or a six-pulse configuration, a zero sequence blocking transformer for reducing harmonic distortion, an interphase transformer for further reducing harmonic distortion, and a current regulator for providing a constant DC current output to the one or more light sources. In some example implementations, the DC rectified output has a voltage ripple of less than about 7%, or less than about 3%.

Abstract: Systems and methods for balancing voltage in LED circuits are provided. An LED circuit can have a plurality of LED strings coupled in parallel with one another. Each LED string can include a plurality of LED devices coupled in series. The LED strings can receive a driver current from a driver circuit. According to example embodiments of the present disclosure, at least one of the plurality of LED strings can include a constant current regulator circuit coupled in series with the LED string. The constant current regulator circuit can provide a constant current through the LED string. The balance or remainder of the driver current can be provided to the other LED string. The constant current regulator circuit can provide for voltage balancing among the plurality of parallel LED strings.

Abstract: Multiphase lighting fixtures having one or more light emitting diode (LED) light sources are provided. In one example implementation, a light fixture includes one or more light sources, such as LED light sources. The light fixture includes a power conversion circuit. The power conversion circuit can be configured to receive a multiphase input power comprising three or more alternating current (AC) phases. The power conversion circuit can be further configured to convert the multiphase input power to rectified output for powering the one or more light sources. In some example implementations, the DC rectified output can have a voltage ripple of less than about 7%, such as less than about 3%.

Abstract: Systems and methods for balancing voltage in LED circuits are provided. An LED circuit can have a plurality of LED strings coupled in parallel with one another. Each LED string can include a plurality of LED devices coupled in series. The LED strings can receive a driver current from a driver circuit. According to example embodiments of the present disclosure, at least one of the plurality of LED strings can include a constant current regulator circuit coupled in series with the LED string. The constant current regulator circuit can provide a constant current through the LED string. The balance or remainder of the driver current can be provided to the other LED string. The constant current regulator circuit can provide for voltage balancing among the plurality of parallel LED strings.