| Enertron, Inc. Patent applications |
| Patent application number | Title | Published |
|---|
| 20150382417 | Universal Voltage LED Power Supply with Regenerating Power Source Circuitry, Non-Isolated Load, and 0-10V Dimming Circuit - A light-emitting diode (LED) lighting device has an LED and a power supply including an inductor coupled to the LED. A cathode of the LED is coupled to the inductor opposite an anode of the LED. The inductor is coupled for receiving a first power signal. A transistor includes a conduction terminal coupled to the inductor to enable current through the inductor. A current from the first power signal is switched to generate a second power signal. A first diode includes an anode coupled to the inductor opposite the cathode of the LED. A controller includes a first terminal coupled to a cathode of the first diode and a second terminal coupled to a control terminal of the transistor. A dimming controller is coupled to a third terminal of the controller. A Zener diode is coupled to the first terminal of the controller. | 12-31-2015 |
| 20150334794 | Dimmable Universal Voltage LED Power Supply with Regenerating Power Source Circuitry and Non-Isolated Load - A light-emitting diode (LED) lighting device has an LED and a power supply including an inductor coupled to the LED. A cathode of the LED is coupled to the inductor opposite an anode of the LED. The inductor is coupled for receiving a first power signal. A transistor includes a conduction terminal coupled to the inductor to enable current through the inductor. A current from the first power signal is switched to generate a second power signal. A first diode includes an anode coupled to the inductor opposite the cathode of the LED. A controller includes a first terminal coupled to a cathode of the first diode and a second terminal coupled to a control terminal of the transistor. A zener diode is coupled to the first terminal of the controller. A capacitor is coupled between the first diode and inductor. A second diode is coupled to the first diode. | 11-19-2015 |
| 20120212129 | Dimmable LED Bulb With Convection Cooling - A light-emitting diode lamp includes a light engine, a power assembly, and a heatsink. The light engine includes a plurality of light-emitting diodes, and the power assembly includes a socket disposed at one end of the power assembly and a heat spreader plate disposed at another end of the power assembly opposite the socket. The light engine is mounted to the heat spreader plate. The power assembly further includes a power supply circuit that is electrically coupled to the socket and to the light engine. The socket is configured to electrically couple the power supply circuit to an external electrical source. The heatsink encircles the power assembly and is thermally connected to the light engine. The heatsink also includes a plurality of perforations, which are arranged to facilitate a natural convection airflow over and through the heatsink. | 08-23-2012 |
| 20120206926 | Method and Apparatus for Thermally Effective Removable Trim for Light Fixture - A lighting assembly has a light fixture with a light source and heatsink thermally coupled to the light source. The light source has a light engine with light emitting diodes. A lens is mounted to the light fixture over the light source. The lens is a clear or translucent material. A removable trim is mountable to the light fixture. The removable trim has a flange, recessed portion, and mounting rim. The recessed portion has a depth to reduce glare. The removable trim is formed using a stamping or die casting process. The flange has thermally conductive properties. The removable trim is a metal, thermally conductive plastic, or thermally conductive carbon fiber composite material. A screw is used to mount the removable trim to the light fixture. The light fixture and removable trim are mounted to a recessed can housing using a clip or spring. | 08-16-2012 |
| 20110037387 | Dimmable LED Bulb With Convection Cooling - A light-emitting diode lamp includes a light engine, a power assembly, and a heatsink. The light engine includes a plurality of light-emitting diodes, and the power assembly includes a socket disposed at one end of the power assembly and a heat spreader plate disposed at another end of the power assembly opposite the socket. The light engine is mounted to the heat spreader plate. The power assembly further includes a power supply circuit that is electrically coupled to the socket and to the light engine. The socket is configured to electrically couple the power supply circuit to an external electrical source. The heatsink encircles the power assembly and is thermally connected to the light engine. The heatsink also includes a plurality of perforations, which are arranged to facilitate a natural convection airflow over and through the heatsink. | 02-17-2011 |
| 20100110699 | Method and Apparatus for Thermally Effective Removable Trim for Light Fixture - A lighting assembly has a light fixture with a light source and heatsink thermally coupled to the light source. The light source has a light engine with light emitting diodes. A lens is mounted to the light fixture over the light source. The lens is a clear or translucent material. A removable trim is mountable to the light fixture. The removable trim has a flange, recessed portion, and mounting rim. The recessed portion has a depth to reduce glare. The removable trim is formed using a stamping or die casting process. The flange has thermally conductive properties. The removable trim is a metal, thermally conductive plastic, or thermally conductive carbon fiber composite material. A screw is used to mount the removable trim to the light fixture. The light fixture and removable trim are mounted to a recessed can housing using a clip or spring. | 05-06-2010 |
| 20090114932 | Light Source and Method of Controlling Light Spectrum of an LED Light Engine - A light emitting diode (LED) light engine includes a substrate for supporting the LED light engine. Conductive traces are formed over the substrate using a thick film screen printing, physical vapor deposition, chemical vapor deposition, electrolytic plating, printed circuit board fabricating, or electroless plating process. The conductive traces include mounting pads. LEDs are mounted to each of the mounting pads for electrical interconnection. The LEDs include red LEDs, green LEDs and blue LEDs. Each of the blue LEDs is at least partially covered with a yellow phosphor coating compound. The concentration of the yellow phosphor coating compound is controlled to allow the emission of blue and yellow spectrum light energy from each blue LED. Emissions of light energy from the red LEDs, green LEDs and blue LEDs are combined to achieve a target correlated color temperature and a target color rendering index for the LED light engine. | 05-07-2009 |
| 20090086474 | Method and Apparatus for Thermally Effective Trim for Light Fixture - A lighting assembly comprises a light fixture. The light fixture includes a trim formed by a stamping or die casting process. The trim has thermally conductive properties and includes a flange around a perimeter of the trim. The light fixture includes a light source mounted to a central portion of a front surface of the trim, and a heatsink formed by an extrusion or die casting process. The heatsink has thermally conductive properties and is mounted to a back surface of the trim. The light fixture includes an attachment mechanism connected to the light fixture. A recessed can housing mounted to a surface may be provided. The light fixture may be mounted to the recessed can housing by inserting the heatsink into the recessed can housing and engaging the attachment mechanism to an interior portion of the recessed can housing to brace the flange against the surface. | 04-02-2009 |
| 20090080187 | Method and Apparatus for Providing an Omni-Directional Lamp Having a Light Emitting Diode Light Engine - An LED lamp includes a light engine. The light engine includes a substrate including a transparent or translucent thermally conductive material, a plurality of LED semiconductor devices mounted to the substrate, a plurality of conductive traces formed over the substrate to electrically interconnect each of the plurality of LED semiconductor devices, and conductive leads connected to the substrate for supplying electrical energy to the plurality of LED semiconductor devices. The substrate of the light engine may include an aluminum nitride (AlN), or diamond film material. A thermally conductive rod is connected to the light engine. A heatsink is formed by an extrusion or die casting process. The heatsink includes a fin structure for dissipating heat energy into the environment. The thermally conductive rod and the heatsink are thermally connected. An optional optical envelope is mounted to the heatsink. The optional optical envelope is disposed over the light engine. | 03-26-2009 |
