Abstract: An automatically reconfiguring light-emitting circuit includes a first and second block of electric lights, a switching mechanism, the switching mechanism having (i) a first state in which the switching mechanism electrically connects the first block of electric lights in parallel with the second block of electric lights and (ii) a second state in which the switching mechanism electrically connects the first block of electric lights in series with the second block of electric lights, a current regulator that generates a current control signal in response to a current in the first group of lights and second group of lights, and a controller electrically connected to the switching mechanism, the controller configured to switch the switching mechanism between the first state and the second state based on the current control signal.

Abstract: A system for controlling a load including a plurality of LEDs includes a timing circuit, an encoder and a configuration switching circuit. The timing circuit generates time-off switching points and time-on switching points. The encoder generates a load voltage by modifying a rectified line voltage using the time-off switching points and the time-on switching points. The configuration switching circuit determines a maximum voltage of a line voltage input to the driver system, selects a configuration for the plurality of LEDs based on the maximum voltage, communicates the configuration for the plurality of LEDs to the load, dynamically reconfigures the configuration for the plurality of LEDs based on the modified rectified line voltage, the dynamically reconfiguration of the configuration including changing at least one of the first quantity of LEDs in electrically coupled in series and the second quantity of LEDs electrically coupled in parallel.

Abstract: A light dimming system is disclosed. The system includes an alternating current (AC) power source having a main line carrying an AC mains voltage and a neutral line, a lighting control module connected to the main line and the neutral line of the AC power source, wherein the control module provides a mixed output signal that combines the AC mains voltage with an encoded dimming control signal, and an LED lighting fixture (“luminaire”) that is connected to the mixed output signal of the lighting control module and is under control of a line decoder module, wherein the line decoder module decodes the mixed output signal into the AC mains voltage and a dimming control signal for consumption by the luminaire.

Abstract: An automatically reconfiguring light-emitting circuit includes a first and second block of electric lights, a switching mechanism, the switching mechanism having (i) a first state in which the switching mechanism electrically connects the first block of electric lights in parallel with the second block of electric lights and (ii) a second state in which the switching mechanism electrically connects the first block of electric lights in series with the second block of electric lights, a current regulator that generates a current control signal in response to a current in the first group of lights and second group of lights, and a controller electrically connected to the switching mechanism, the controller configured to switch the switching mechanism between the first state and the second state based on the current control signal.

Abstract: Disclosed is a heat-dissipating light-emitting device, including a light-emitting element, a heat-conducting base plate in physical contact with a heat sink, and a driver circuit. The driver circuit and light-emitting element are electrically coupled to each other and electrically isolated from the base plate. The light-emitting device and heat sink may be included in a light fixture. Also disclosed is a method for assembling the light-emitting device.

Abstract: An apparatus and method of operation of a low-current LED lighting circuit are disclosed. The invention utilizes high AC voltage input and unreduced voltage ripple component of the rectified DC power signal, which provides the ability to drive an LED load at high power factor at low current. The invention discloses both active and passive circuits to limit the peak current flowing to the LED and create a current source for the LED load. The proposed circuit increases reliability by optionally eliminating capacitor, inductor, and heatsink components while minimizing luminous flux fluctuations.

Abstract: A light-emitting system that utilizes light guides for edge lighting and back lighting applications is disclosed. A process of making the light-emitting system is also disclosed. An edge-lit thin light-emitting system can include a light guide sheet disposed between a reflector sheet and a diffuser lens sheet, at least one strip of LED arrays embedded in the optically clear material, the at least one strip is disposed on the edges of the light guide sheet with the light-emission side of LEDs facing the light guide; and, optionally, a frame disposed around the perimeter of the sheets; wherein the at least one strip of LED arrays is attached to the light guide sheet such that an air gap between the LEDs and the light guide is eliminated.

Abstract: A light emitting system and related method are disclosed.