Abstract: Lighting devices and operating methods are presented in which voltage or current perturbations of an OLED caused by a user pressing the OLED are monitored while the OLED is providing general lighting, and one or more lighting control signals are generated based on the sensed perturbations.

Abstract: An electrical receptacle comprises a body comprising an opening and main terminal channels that are spaced apart from each other and from the opening. Electrically conductive main connectors are disposed in the body and spaced apart from each other. The main connectors are disposed in or in alignment with the main terminal channels. A connector is disposed in the body and includes an arcuate shape in or near the opening.

Abstract: A fixture and socket assembly is provided for replaceable and flexible panel lighting device. Preferably, perimeter edges of the flexible light source devices which may be arranged into a matrix or panel are mechanically and electrically connected to socket contacts provided at desired locations on the first surface of the fixture, which makes mechanical and electrical engagement with associated conductive portions or surface contacts on rear surfaces of the flexible light source devices.

Abstract: A lighting assembly includes a light source having a first generally planar, light source including a perimeter edge. A backsheet is disposed in substantially parallel relation with the light source, and includes at least one electrical feedthrough region extending through the backsheet and substantially covered by a contact patch disposed in substantially planar relation between the backsheet and the light source. A generally planar, connector cable extends over the backsheet and has connector pad(s) positioned thereon to associate with each feedthrough and to the light source through the contact patch. A low temperature solder material is disposed between each connector pad and contact patch for establishing electrical connection with the light source, wherein one or more of the light source, connector cable, backsheet, or any portion thereof is constructed of one or more plastics.

Abstract: Disclosed herein is a light emitting electrical package having a first electrode layer comprising a substantially transparent nonmetallic conductive material, and a plurality of light emitting elements disposed on said first electrode layer. The first electrode layer comprises a peripheral region, and an elongated bus is disposed on at least a portion of the peripheral region and adjacent the first electrode layer. The elongated bus is configured to spread current across a length dimension of said first electrode layer. Also disclosed are elongated bus structure designed intended to reduce the resistive losses along a transparent nonmetallic conductive contact at its edge or periphery. One design for an elongated bus comprises: (1) a conductive adhesive/metal foil/conductive adhesive sandwich structure; (2) another design comprises a vapor deposited bus of one or more materials; and a further design employs (1) and (2) in tandem.

Abstract: An electronic OLED driver apparatus is presented, which includes a DC-DC converter stage with a waveform generator generating converter setpoints with profiles having minimum rise time and fall time values.

Abstract: An organic light emitting device includes a cathode and an optional substrate external to the device. The device further includes at least one film layer disposed on at least one of the cathode or the substrate. The at least one film layer includes at least one of a magnetic, a mixed magnetic material, and combinations thereof. The device further includes an anode and at least one organic layer intermediate the cathode and anode.

Abstract: A knowledge-based driver is provided for powering a solid-state light source with a constant current, including a memory that stores lumens per amp and volts per amp performance characterizations of the light source over time, and a controller that operates in a test mode to estimate the light source degradation based on voltage feedback obtained at a predetermined test current value, and to adjust the drive current in normal operating mode according to the estimated device degradation to implement constant lumens control without external optical feedback components.

Abstract: An electrical receptacle includes an exterior component and an interior component received inside the exterior component. Main electrical connectors have exterior end portions aligned with main connector openings of the interior component and have interior end portions disposed in alignment with main terminal channels of the exterior component. First and/or second central connectors each having substantially circular portions extend from an end plate of the exterior component and have exterior portions extending to a central connector opening of the interior component. Also featured is a method for electrically connecting the electrical receptacle to a controller device.

Abstract: A luminaire, such as a lamp assembly or a floor lamp, umbrella, or planar or sheet-like like light emitting surface includes a conforming mechanism for selectively curving the light emitting surface. A convex profile will diffuse light while a concave profile will concentrate light, it being intended that the surface can be conformable up to a five inch (5?) radius of curvature in either direction. The light panel portions may be of the same color, or may be different colors that will result in different mixing of the light when made from different colors.

Abstract: A lamp includes a filament for emitting light. The filament includes an emissive substrate which emits radiation when an electric current is applied. The substrate includes a doped surface and a coating layer supported on the doped surface. The coating layer includes at least one of a carbonitride and a boride.

Abstract: An electronic driver apparatus and methods are disclosed for driving power an organic LED or other large area solid state light source, in which a switch mode DC current source provides DC current to drive the light source according to a control input and a controller provides a ramped pulse modulated control input to the current source for at least some values of a dimming setpoint signal or value to mitigate damaging current spikes by controlling di/dt of the drive current.

Abstract: An organic light emitting device includes a cathode and an optional substrate external to the device. The device further includes at least one film layer disposed on at least one of the cathode or the substrate. The at least one film layer includes at least one of a magnetic, a mixed magnetic material, and combinations thereof. The device further includes an anode and at least one organic layer intermediate the cathode and anode.

Abstract: A knowledge-based driver is provided for powering a solid-state light source with a constant current, including a memory that stores lumens per amp and volts per amp performance characterizations of the light source over time, and a controller that operates in a test mode to estimate the light source degradation based on voltage feedback obtained at a predetermined test current value, and to adjust the drive current in normal operating mode according to the estimated device degradation to implement constant lumens control without external optical feedback components.

Abstract: An electronic driver apparatus is provided for driving power an organic LED, including a switchable inductance circuit and a controller to connect an inductance between a power source and the OLED during a startup period as power is first applied to the OLED.

Abstract: A lamp includes a discharge sustaining fill which includes mercury halide, cesium halide, optionally one of indium halide and thallium halide, and a rare earth halide component selected from dysprosium halide, holmium halide, and thulium halide. In operation without a jacket, the lamp may have a color temperature of about 5300K to 6000K, a color rendering index of at least about 92 and an efficacy of at least about 85 LPW.

Abstract: An organic light emitting device including an anode including a lanthanide oxide. The lanthanide oxide is doped with a conductive material including rubidium, titanium, or combinations thereof. The organic light emitting device further includes a cathode, an organic hole transport layer intermediate the anode and cathode, and an electron injection layer intermediate the anode and cathode.

Abstract: A lamp includes a filament for emitting light. The filament includes an emissive substrate which emits radiation when an electric current is applied. The substrate includes a doped surface and a coating layer supported on the doped surface. The coating layer includes at least one of a carbonitride and a boride.

Abstract: A light emitting device that includes a radiation emitter. The radiation emitter includes an emissive substrate which emits radiation. The device further includes an attenuating layer formed by annealing a layer of a different material with the substrate. An array of light transmission channels which are sized to suppress infrared radiation during operation of the light emitting device, extend into the attenuating layer.