Patent application number | Description | Published |
20090167202 | AC Light Emitting Diode And AC Led Drive Methods And Apparatus - An AC LED package and circuits are disclosed along with an AC LED driver. The AC LED circuit may include as few as one LED or an array of anti-parallel LEDs driven with AC power sources and AC LED drivers at various voltages and frequencies. The AC LEDs are pre-packaged in various forms and materials and designed for mains or high frequency coupling in various forms to AC power sources, inverter type drivers or packages. The AC LED driver is a fixed frequency driver that provides a relatively constant voltage output to different size loads within the wattage limitation of the driver and in some cases is a direct mains power source. | 07-02-2009 |
20090174337 | LED circuits and assemblies - An AC-driven LED circuit | 07-09-2009 |
20090244891 | Electronic display device with integrated lighting system - An electronic visual display system with an integrated general lighting system including an electronic visual display having a housing and one or more lighting devices integrated therewith to provide light to one or more spaces external to the electronic visual display housing. The lighting devices have an independent on and off state which allows for the lighting devices to be in the on state independent of the on and off state of the electronic visual display. The lighting devices provide a relatively constant and user selectable color and level of light output. | 10-01-2009 |
20100080367 | PHONE-LINE POWERED LIGHTING DEVICES AND METHODS OF USING SAME - A telephone service provider or alarm company, supplies phone-line-power for auxiliary, backup, and/or emergency lighting in residential, commercial and/or industrial facilities at a reasonable charge in exchange for providing, maintaining and ensuring that lighting service and power will be available when needed such as under power failure situations. A phone-line-driven lighting device includes a sensor capable of detecting a primary power source. Once the sensor senses that the primary power source is not present, circuitry connects the device's phone line terminal to a light producing element, in turn powering the light producing element via a telephone line's DC or AC power. Such a device may include a control circuit which responds to a predetermined phone line signal, thereby controlling the operational state of the device. Such a signal could be broadcast in emergency or other informative situation by the provider of the phone line service. | 04-01-2010 |
20100163890 | LED LIGHTING DEVICE - An LED lighting device comprising an integral body comprising a dielectric thermally conductive polymer has an electrically conductive material directly attached to, or at least in part is molded within the body and forms a circuit pattern. Two or more LED die each having at least a portion thereof being attached directly either to one of a portion of the first body for direct thermal conduction or a portion of the electrically conductive material for direct electrical and thermal conduction or both. The integral body is optionally molded to have integral cooling surfaces such as fins. The integral body also may take a shape conforming to a mounting structure of a lighting fixture and may also include thereon additional electrical components for assisting the LED die in producing light, in other words drive components. Terminals may be integrally molded or formed in the body upon which a portion of the conductive material resides for electrical connection to another device such as a power source. | 07-01-2010 |
20110234114 | AC LED LIGHTING ELEMENT AND AC LED LIGHTING SYSTEM METHODS AND APPARATUS - A lighting element ( | 09-29-2011 |
20120043897 | LED CIRCUITS AND ASSEMBLIES - An AC-driven LED circuit includes a first circuit having a first branch and a second branch which connect at first and second common point The common points provide input and output for an AC driving current from a driver of the circuit The first branch has first LED and second LED, the first LED being connected to second LED in opposing series relationship with the inputs of the first and second LEDs defining a first branch junction A second branch has a third LED and a fourth LED, the third LED is connected to the fourth LED in opposing series relationship with the outputs of the third and fourth LEDs defining a second branch junction Improvement in performance and scalability is provided by adding n diodes to a given basic circuit and x cross connecting circuit branch diodes and providing one or more basic circuits in series and or basic. | 02-23-2012 |
20120069560 | MULTI-VOLTAGE AND MULTI-BRIGHTNESS LED LIGHTING DEVICES AND METHODS OF USING SAME - A single chip multi-voltage or multi-brightness LED lighting device having at least two LED circuits having at least two LEDs connected seπes, and electrically unconnected in a parallel relationship, a forward operating dπve voltage of at least six volts and are monolithically integrated on a single substrate, configurable by means of connecting the circuits so as to provide optional operating voltage level and/or desired brightness level wherein the electrical connection at the LED packaging level when the single chips are integrated into the LED package Alternatively, the LED package may have external electrical contacts that match the integrated chips within Optionally allowable, the drive voltage level and/or the brightness level select-ability may be passed on through to the exterior of the LED package and may be selected by the LED package user, the PCB assembly facility, or the end product manufacturer. | 03-22-2012 |
20120242239 | AC Light Emitting Diode and AC LED Drive Methods and Apparatus - An LED device for use with an AC voltage power source configured such that at least one LED emits light during a positive phase of power provided from an AC power supply and at least one LED emits light during the negative phase of power provided from an AC power supply. The LED device includes a first power connection lead and a second power connection lead, both leads capable of being connected to and receiving power from an AC power supply. | 09-27-2012 |
20120262085 | LED Circuits and Assemblies - An AC-driven LED assembly with discretely packaged LEDs being connected in an AC circuit and being sized preferably substantially 2.5 mm or less in length and width, and more preferably 2.0 mm or less; and being mounted to a substrate at a distance from the other of preferably approximately 3 mm or less, and more preferably 2.0 mm or less. | 10-18-2012 |
20120268008 | LED Circuits and Assemblies - An AC-driven LED circuit | 10-25-2012 |
20120293083 | High Frequency Multi-Voltage And Multi-Brightness LED Lighting Devices And Systems And Methods Of Using Same - A system and method transforming AC voltage to a high-frequency AC voltage and providing the high-frequency AC voltage to an AC LED circuit or rectifying the high-frequency circuit to a DC voltage and providing the DC voltage to a DC LED circuit. | 11-22-2012 |
20140153232 | MULTI-VOLTAGE AND MULTI-BRIGHTNESS LED LIGHTING DEVICES AND METHODS OF USING SAME - A single chip multi-voltage or multi-brightness LED lighting device having at least two LED circuits. Each of the at least two LED circuits having at least two LEDs connected together in series. Each of the at least two LED circuits are electrically unconnected to each other in a parallel relationship, have a forward operating drive voltage of at least six volts and are monolithically integrated on a single substrate. A method of manufacturing a single chip with two or more LED circuits configurable by means of connecting the circuits so as to provide optional operating voltage level and/or desired brightness level wherein the electrical connection may be achieved and/or completed at the LED packaging level when the single chips are integrated into the LED package. Alternatively, the LED package may have external electrical contacts that match the integrated chips within. Optionally allowable, the drive voltage level and/or the brightness level select-ability may be passed on through to the exterior of the LED package and may be selected by the LED package user, the PCB assembly facility, or the end product manufacturer. | 06-05-2014 |
20140239809 | DEVICES AND SYSTEMS HAVING AC LED CIRCUITS AND METHODS OF DRIVING THE SAME - A lighting device and system having at least one circuit, the circuit having at least two LEDs connected in series, parallel or anti-parallel configuration and at least one current limiting diode. The device or system may be driven with AC or DC power and may further include a sensor and polarity switching circuit to utilize all LEDs within the circuit when drive by DC power. | 08-28-2014 |
20140301073 | LINEAR LED LIGHTING DEVICE, SYSTEM, METHOD, AND APPARATUS - A linear LED lighting system having at least one LED circuit formed on a PCB assembly, the at least one LED circuit and PCB assembly forming an LED PCB assembly. The linear LED lighting system includes at least one housing for housing the LED PCB assembly, the at least one housing and the LED PCB assembly, wherein the at least one housing is a piece of trim. The linear LED lighting system is capable of providing light distribution over a linear distance of at least 12 inches, and is configured on a first side to be mounted to a surface. | 10-09-2014 |
20140301074 | LED LIGHTING SYSTEM, METHOD, AND APPARATUS - An LED lighting system having at least one LED circuit formed on a PCB assembly, the LED circuit and the PCB assembly forming an LED PCB assembly, and a driver for powering the LED circuit. The LED lighting system includes a cover for attaching to the LED PCB assembly, the cover being configured to allow light emitting from the LED PCB assembly to pass there through. | 10-09-2014 |
20140313717 | LED LAMP HAVING A SELECTABLE BEAM ANGLE - An LED lamp having a lamp housing including a lamp base capable of connecting to a source of electrical power and at least one LED lighting device having at least one LED, the lighting device being electrically connected to the lamp base offset from a center line running vertically through the center of the housing. The lamp further includes at least one optic having at least two sub-optics, each sub-optic capable of allowing a different beam angle of light distribution to pass there through when aligned with the LED lighting device, the optic being integrated with the lamp housing such that the optic may be rotated to align one sub-optic over the LED lighting device at a time. | 10-23-2014 |
20140361697 | COLOR TEMPERATURE CONTROLLED AND LOW THD LED LIGHTING DEVICES AND SYSTEMS AND METHODS OF DRIVING THE SAME - The purposes of the devices described herein are to provide an LED lighting device capable of efficiently and economically emitting light having a selectable color temperature or a warm-on-dim feature when driven with AC power and to provide LED lighting devices which have an improved power factor and a reduced total harmonic distortion when powered with AC power. | 12-11-2014 |
20140369541 | Wearable Portable Speaker System For Mobile Electronic Devices - A wearable portable speaker system for mobile electronic devices having at least one speaker capable of connecting to a mobile electronic device and a fixture for housing the at least one speaker. The fixture is formed as a collar having an opening formed therein and the at least one speaker is housed in the fixture so that an output of the speakers is at least partially directed upwards from a top portion of the fixture. | 12-18-2014 |