Plural Circuit Elements Patents (Class 315/51)
  • Publication number: 20140320008
    Abstract: A processor controlled induction RF fluorescent lamp, where the processor controls a rapid startup function, the lamp comprising a lamp envelope filled with a gas mixture at less than typical atmospheric pressure, wherein the lamp envelope comprises at least one metallic structure for collecting mercury; a power coupler comprising at least one winding of an electrical conductor; an electronic ballast, wherein the electronic ballast provides appropriate voltage and current to the power coupler; and where the processor controls the rapid startup function to increase power at lamp startup to rapidly heat and vaporize the mercury collected on the at least one metallic structure to promote rapid luminous development during the turn-on phase of the induction RF fluorescent lamp.
    Type: Application
    Filed: July 14, 2014
    Publication date: October 30, 2014
    Inventors: John R. Goscha, Victor D. Roberts, Walter Peter Lapatovich, David Alan Goodman, David Wentzel
  • Patent number: 8866385
    Abstract: A self-ballasted lamp includes a base body, a light source unit attached to one side of the base body, a lens attached to the light source unit, a cap provided on the other side of the base body and a lighting circuit arranged in the space provided by the base body and the cap. The light source unit includes a light source constituted by semiconductor light emitting elements. The lens has a lens body facing the light source and an attachment leg for attaching the lens body to the light source unit. A claw portion to be secured to the light source unit can be provided on the attachment leg.
    Type: Grant
    Filed: August 31, 2011
    Date of Patent: October 21, 2014
    Assignees: Toshiba Lighting & Technology Corporation, Kabushiki Kaisha Toshiba
    Inventors: Toshitake Kitagawa, Makoto Sakai, Daigo Suzuki, Michinobu Inoue
  • Patent number: 8860314
    Abstract: The invention relates to an LED lamp (1, 1?, 1?, 1??, 1??) comprising at least one light emitting diode (LED, 2) arranged in a housing (3), and an isolation monitoring device (4) configured to determine a defect of the housing (3) and disconnect said at least one LED (2) from power in case said defect is detected, to enhance the safety of the LED lamp (1, 1?, 1?, 1??, 1??) and reduce the risk of electric shock for a user.
    Type: Grant
    Filed: August 30, 2010
    Date of Patent: October 14, 2014
    Assignee: Koninklijke Philips N.V.
    Inventor: Harald Josef Guenther Radermacher
  • Publication number: 20140300270
    Abstract: An organic EL device including an organic EL portion, wiring, and an externally-connecting terminal, which are disposed above a substrate having flexibility. The substrate has a first region above which the organic EL portion is disposed, a second region above which the terminal is disposed, and a bend portion between the first and second regions. The bend portion corresponds to a predetermined portion of the organic EL device at which the organic EL device is to be bent. The organic EL portion is covered by an inorganic sealing film, and the inorganic sealing film is covered by a resin sealing film. An end of the inorganic sealing film in a direction of the terminal does not extend over the bend portion towards the terminal, and an end of the resin sealing film in the direction of the terminal extends over the bend portion towards the terminal.
    Type: Application
    Filed: June 19, 2014
    Publication date: October 9, 2014
    Inventor: Gosuke SAKAMOTO
  • Publication number: 20140300271
    Abstract: A lamp includes a single string of light emitting diodes (LEDs), driven in common, configured to cause the lamp to emit a visible light output via a bulb. The lamp also includes a lighting industry standard lamp base, which has connectors arranged in a standard three-way lamp configuration, for providing electricity from a three-way lamp socket. Circuitry connected to receive electricity from the connectors of the lamp base as standard three-way control setting inputs drives the string of LEDs. The circuitry is configured to detect the standard three-way control setting inputs and to adjust the common drive to the string of LEDs to selectively produce a different visible light outputs of the lamp via the bulb responsive to the three-way control setting inputs. The lamp may also include nanophosphors pumped by emissions of the LEDs, so that the lamp produces a white light output of particularly desirable characteristics.
    Type: Application
    Filed: June 20, 2014
    Publication date: October 9, 2014
    Inventors: David P. Ramer, Jack C. Rains, JR.
  • Publication number: 20140292196
    Abstract: A thin profile electronic ballast for a lighting device includes a metal casing, a circuit board, and a metal cover. The metal casing includes an entrance and a receptacle. The circuit board includes a plurality of electronic components. The circuit board is accommodated within the receptacle of the metal casing. The entrance of the metal casing is covered by the metal cover. The circuit board is disposed in a direction vertical to the metal cover.
    Type: Application
    Filed: September 17, 2013
    Publication date: October 2, 2014
    Applicant: DELTA ELECTRONICS, INC.
    Inventor: Ching-Ho Chou
  • Publication number: 20140265835
    Abstract: An LED bulb is described. The LED bulb comprises a shell, a plurality of LEDs within the shell, a driver circuit connected to the plurality of LEDs, and a base connected to the shell. The driver circuit comprises a first input to receive AC voltage, a second input to receive AC voltage, a neutral input, a power supply circuit connected to the plurality of LEDs, and a brightness control circuit. The brightness control circuit is connected to the first input, the second input, and the power supply circuit. The brightness control circuit is configured to output a modified AC voltage to the power supply circuit. The modified AC voltage is created by blocking a portion of a cycle of AC received by the first or second input. The blocked portion is based on whether the first input, the second input, or the first and second inputs are both hot.
    Type: Application
    Filed: March 14, 2013
    Publication date: September 18, 2014
    Inventor: Stanley CANTER
  • Publication number: 20140265834
    Abstract: An electrical discharge lighting apparatus includes: a bulb including a chamber section comprising transparent material and containing a gas that is responsive to electric current to emit light; an ionizing conductor configured and disposed to provide a voltage across the gas to ionize and break down the gas; and an electrode physically separate from the ionizing conductor and configured and disposed to induce a current through the gas.
    Type: Application
    Filed: March 13, 2013
    Publication date: September 18, 2014
    Applicant: Lux Montana LLC
    Inventors: Gilbert Fregoso, Yuval Charles Avniel
  • Publication number: 20140252946
    Abstract: A light bulb-shaped lamp according to the present invention includes: a board on which an LED is mounted; a circuit board on which a drive circuit that turns on the LED is mounted; output wires for supplying power for turning on the LED from the drive circuit to the LED; a pedestal; and a potential-stabilizing wire electrically connecting the pedestal to a circuit ground of the drive circuit.
    Type: Application
    Filed: February 28, 2014
    Publication date: September 11, 2014
    Applicant: PANASONIC CORPORATION
    Inventors: Hiroshi FUJITA, Kazuhiko ITOH, Yoshiaki HACHIYA, Kazuo GOUDA
  • Publication number: 20140246973
    Abstract: A system and device for an adaptable, energy-efficient light unit is herein provided, wherein the system and device allows for a longer life span of the light emitting device within the light unit, and for replacing a light emitting device within a light unit that does not require any tool or complex process. The system includes at least one light emitting unit, a light panel system frame, wherein the frame includes a power track, fixtures, and conductors, a lens, and may include a hanger. The device is a light emitting unit that includes at least a circuit board, wherein the circuit board may include ventilation holes and is made of heat conductive materials, at least one light emitting source, a voltage converter, power fixtures, wherein the power fixtures are configured to retrofit conventional light fixtures. The circuit board is configured to provide consistent voltage to the light emitting device.
    Type: Application
    Filed: March 4, 2014
    Publication date: September 4, 2014
    Inventor: Timothy LEE
  • Patent number: 8823266
    Abstract: A dimming LED lamp having an LED light, an EMI circuit, a power-factor correction circuit, a digital switching power supply circuit, a dimming control circuit, a power supply circuit, a signal acquisition circuit, an MCU microcontroller, a RF wireless transmitter, a RF receiver circuit, an EEPROM memorizer, and a fan circuit. The brightness of the dimmable LED lamp can be dimmed through any conventional incandescent dimmers, or through any ordinary key switch, or through a wireless transmitter. The wireless transmitter can also remotely turn on the lamps or turn off the lamps, at the same time the LED lamp also has the function of brightness saving. The fan circuit uses air convection to cool the LED which has the advantages of aesthetically pleasing appearance, small size, light weight, low cost, long life, and good cooling effect.
    Type: Grant
    Filed: December 27, 2010
    Date of Patent: September 2, 2014
    Assignee: Ningbo Huadian Envirotech Co., Ltd.
    Inventor: Bing Qin
  • Patent number: 8805550
    Abstract: In embodiments of the present invention, a method and system is provided for designing improved intelligent, LED-based lighting systems. The LED based lighting systems may include fixtures with one or more of rotatable LED light bars, integrated sensors, onboard intelligence to receive signals from the LED light bars and control the LED light bars, and a mesh network connectivity to other fixtures.
    Type: Grant
    Filed: July 7, 2010
    Date of Patent: August 12, 2014
    Assignee: Digital Lumens Incorporated
    Inventors: Brian J. Chemel, Colin Piepgras, Steve T. Kondo, Scott D. Johnston
  • Publication number: 20140217886
    Abstract: A driver circuit for programmable solid state light bulb assemblies including light emitting diodes is operable to provide a drive current to a light source of the light bulb assembly. The controller comprises a data storage unit storing a test scenario for calibration of the light bulb assembly; wherein the test scenario indicates a sequence of states of the light source; wherein a state of the light source is associated with settings of the driver circuit; a data input unit receiving a command signal via a modulated electricity supply signal; and a data processing unit retrieving the test scenario from the data storage unit; in dependence of the received command signal, generating a control signal for operating the light source in at least one state of the sequence of states of the test scenario; and to output the control signal.
    Type: Application
    Filed: April 11, 2014
    Publication date: August 7, 2014
    Applicant: Dialog Semiconductor GmbH
    Inventors: Horst Knoedgen, Stefan Zudrell-Koch
  • Publication number: 20140217887
    Abstract: Controllers for driver circuits of solid state light bulb assemblies including light emitting diodes comprise a power converter, a data storage unit operable to store data items relating to an operating behavior of the light bulb assembly, a temperature sensor operable to determine a chip temperature of the controller, and a data processing unit operable to receive the chip temperature, to retrieve the stored data items from the data storage unit, to generate a control signal in dependence upon the chip temperature and the retrieved data items, and to output the control signal to the power converter for operation of the light source.
    Type: Application
    Filed: April 11, 2014
    Publication date: August 7, 2014
    Applicant: Dialog Semiconductor GmbH
    Inventors: Horst Knoedgen, Stefan Zudrell-Koch
  • Publication number: 20140175977
    Abstract: A display device according to an embodiment includes a display panel including a display area having pixel areas, and a non-display area surrounding the display area. The display area includes first power lines for providing a first power to the pixel areas. The display device further includes a driver electrically connected to the first power lines of the display panel. The driver includes a driving integrated circuit, signal output pads connected to the driving integrated circuit and configured to output signals, a power supply line disposed outside the signal output pads and configured to supply the first power, and power output pads connected to the power supply line and configured to output the first power from the power supply line to the first power lines, wherein the power output pads are alternatingly disposed with the signal output pads.
    Type: Application
    Filed: June 26, 2013
    Publication date: June 26, 2014
    Inventors: Joong-Sun YOON, Soon-Il YUN
  • Patent number: 8760051
    Abstract: A lamp includes a single string of light emitting diodes (LEDs), driven in common, configured to cause the lamp to emit a visible light output via a bulb. The lamp also includes a lighting industry standard lamp base, which has connectors arranged in a standard three-way lamp configuration, for providing electricity from a three-way lamp socket. Circuitry connected to receive electricity from the connectors of the lamp base as standard three-way control setting inputs drives the string of LEDs. The circuitry is configured to detect the standard three-way control setting inputs and to adjust the common drive to the string of LEDs to selectively produce a different visible light outputs of the lamp via the bulb responsive to the three-way control setting inputs. The lamp may also include nanophosphors pumped by emissions of the LEDs, so that the lamp produces a white light output of particularly desirable characteristics.
    Type: Grant
    Filed: June 12, 2013
    Date of Patent: June 24, 2014
    Assignee: ABL IP Holding LLC
    Inventors: David P. Ramer, Jack C. Rains
  • Patent number: 8740444
    Abstract: Methods for manufacturing a light source circuit board having one or more light emitting components that include providing at least one circuit component on a light source circuit board, wherein the at least one circuit component has an electrical circuit constant that specifies one or more performance parameters for the light source. The methods also include measuring the electrical circuit constant of the at least one circuit component. The methods also include identifying one or more performance parameters for the light source based on the measured electrical constant.
    Type: Grant
    Filed: December 21, 2011
    Date of Patent: June 3, 2014
    Assignee: Lumenpulse Lighting, Inc.
    Inventors: Dale Reynolds, Gregory Campbell
  • Publication number: 20140145602
    Abstract: A burst-mode dimmable induction RF fluorescent lamp that is able to replace an ordinary reflector-type incandescent lamp, both in its ability to screw into a standard incandescent lamp socket and to have the general look of the ordinary reflector incandescent lamp, but with all of the advantages of an induction lamp, as described herein.
    Type: Application
    Filed: September 27, 2013
    Publication date: May 29, 2014
    Applicant: Lucidity Lights, Inc.
    Inventors: John R. Goscha, Victor D. Roberts, Thomas Farkas
  • Publication number: 20140145601
    Abstract: A dimmable induction RF fluorescent lamp that is able to replace an ordinary reflector-type incandescent lamp, both in its ability to screw into a standard incandescent lamp socket and to have the general look of the ordinary reflector incandescent lamp, but with all of the advantages of an induction lamp, as described herein.
    Type: Application
    Filed: September 27, 2013
    Publication date: May 29, 2014
    Applicant: Lucidity Lights, Inc.
    Inventors: John R. Goscha, Victor D. Roberts
  • Publication number: 20140145603
    Abstract: An induction RF fluorescent lamp that is able to replace an ordinary reflector-type incandescent lamp, both in its ability to screw into a standard incandescent lamp socket and to have the general look of the ordinary reflector incandescent lamp, but with all of the advantages of an induction lamp, and comprising a power coupler with conductive material in contact with the power coupler to reduce extraneous electromagnetic radiation emanating from the power coupler.
    Type: Application
    Filed: September 27, 2013
    Publication date: May 29, 2014
    Applicant: Lucidity Lights, Inc.
    Inventors: John R. Goscha, Walter Peter Lapatovich, James N. Lester, Zeng Zhi Yu
  • Publication number: 20140145606
    Abstract: A high frequency induction RF fluorescent lamp that is able to replace an ordinary incandescent lamp, both in its ability to screw into a standard incandescent light bulb socket and to have the general look of the ordinary incandescent lamp, but with all of the advantages of an induction lamp, as described herein. The present disclosure describes a high frequency electronic ballast, as well as structures for an induction RF fluorescent lamp that includes a bulbous portion, a tapered portion, an electronics portion, and a screw base, creating an external look for the high frequency induction RF fluorescent lamp that is similar to the profile of an ordinary incandescent lamp.
    Type: Application
    Filed: September 27, 2013
    Publication date: May 29, 2014
    Applicant: Lucidity Lights, Inc.
    Inventors: John R. Goscha, Victor D. Roberts, Juan Manuel Rivas-Davila, Luke Christopher Raymond
  • Publication number: 20140145605
    Abstract: A high frequency induction RF fluorescent lamp comprising an electronic ballast operating at greater than 5 MHz and a power coupler with conductive material in contact with the power coupler to reduce extraneous electromagnetic radiation emanating from the power coupler.
    Type: Application
    Filed: September 27, 2013
    Publication date: May 29, 2014
    Applicant: Lucidity Lights, Inc.
    Inventors: John R. Goscha, Walter Peter Lapatovich, James N. Lester, Zeng Zhi Yu, Victor D. Roberts, Juan Manuel Rivas-Davila, Luke Christopher Raymond
  • Publication number: 20140139105
    Abstract: A control device adapted to control a first light-emitting diode and a second light-emitting diode, includes a first logic operation unit receiving a first enable signal and a second enable signal to generate a first logic signal, a second logic operation unit receiving the first and second enable signals to generate a second logic signal, a first adjustment unit generating a first adjustment signal according to the first logic signal, a second adjustment unit generating a second adjustment signal according to the second logic signal, a first control unit outputting a first control signal to the first light-emitting diode according to the first enable signal and the first adjustment signal, and a second control unit outputting a second control signal to the second light-emitting diode according to the second enable signal and the second adjustment signal. The first logic signal and the second logic signal are complementary.
    Type: Application
    Filed: March 14, 2013
    Publication date: May 22, 2014
    Applicants: INVENTEC CORPORATION, INVENTEC (PUDONG) TECHNOLOGY CORPORATION
    Inventors: Sheng-Yuan Tsai, Chin-Hsien Yeh
  • Publication number: 20140125226
    Abstract: Embodiments provide a light emitting module including a body, a plurality of light emitting devices disposed on the body, and a turn-on controller configured to control turn-on of the plurality of light emitting devices. At least some neighboring light emitting devices among the plurality of light emitting devices are spaced apart from one another by different distances.
    Type: Application
    Filed: October 23, 2013
    Publication date: May 8, 2014
    Inventors: Il Yeong KANG, Ki Soo Kwon, Keun Tak Joo, Tae Young Choi
  • Patent number: 8698483
    Abstract: The type of an LED power driver (i.e., a magnetic transformer or an electronic transformer) is determined by manipulating the AC voltage produced by the power driver so that it may be analyzed and the type of power driver reliably determined. In various embodiments, a system for detecting an AC power supply type includes a circuit for monitoring a negative half or a positive half of an output voltage of the AC power supply and an analyzer for determining the AC power supply type based at least in part on a presence or absence of an envelope in the monitored output voltage.
    Type: Grant
    Filed: November 9, 2011
    Date of Patent: April 15, 2014
    Assignee: CRC, Electronics, Inc.
    Inventor: Scott A. Riesebosch
  • Patent number: 8686660
    Abstract: An organic light-emitting diode (35) is described, which comprises a light-emitting structure designed to emit light when it is powered, and a delay structure designed to delay a propagation of at least two power signal pulses (4a_left, 4b_right, 4a_top, 4b_bottom) having a temporal relationship with one another and such a signal strength that a part of the light-emitting structure is driven in dependence on coincidence of the power signal pulses at said part of the light-emitting structure, and a terminal structure designed to receive the at least two power signal pulses (4a_left, 4b_right, 4a_top, 4b_bottom) and to feed the delay structure at its different positions with the at least two power signal pulses (4a_left, 4b_right, 4a_top, 4b_bottom). A circuit for powering said light-emitting structure, as well as a method of operating said organic light-emitting diode (35) is also described.
    Type: Grant
    Filed: November 30, 2009
    Date of Patent: April 1, 2014
    Assignee: Koninklijke Philips N.V.
    Inventor: Harald J. G. Radermacher
  • Publication number: 20140077698
    Abstract: A backlight module is provided, which includes a first coil, a first driving circuit, a second coil, a rectifying circuit and a light emitting unit. The first driving circuit is electrically connected to the first coil for controlling the first coil to produce a first magnetic field. The second coil is disposed on a transmission direction of the first magnetic field corresponding to the first coil for receiving the first magnetic field and providing a first induction voltage according to the first magnetic field. The rectifying circuit is electrically connected to the second coil for converting the first induction voltage into a first driving voltage. The light emitting unit is electrically connected to the rectifying circuit to provide a backlight according to the first driving voltage.
    Type: Application
    Filed: May 17, 2013
    Publication date: March 20, 2014
    Applicant: Au Optronics Corporation
    Inventors: Tsung-Shiun Lee, Huang-Ti Lin, Bing-Shiang Hsu
  • Publication number: 20140071108
    Abstract: An organic light emitting diode (OLED) display device is disclosed. In one aspect, the display device includes a plurality of pixels. The plurality of pixels respectively include: 1) a first capacitor connected between a data line and a first node and 2) a switching transistor including a gate electrode connected to a scan line and first and second electrodes respectively connected to the first node and a second node. The display device also includes a driving transistor including a first electrode connected to a first power source voltage and a second electrode connected to an anode of an organic light emitting diode (OLED). The device further includes a compensation transistor including a first electrode connected to the first node and a second electrode connected to the second electrode of the driving transistor.
    Type: Application
    Filed: January 28, 2013
    Publication date: March 13, 2014
    Applicant: Samsung Display Co., Ltd.
    Inventor: Sang-Myeon Han
  • Patent number: 8659227
    Abstract: A magnetron includes an anode with an anode casing at least partly surrounding the anode. A pair of permanent magnets on each side of the anode define an interaction region and create a magnetic circuit defining a magnetic field through the interaction region. A mass of magnetically permeable material is positioned in a vicinity of the magnetic circuit. The mass is arranged to be slidable over the anode casing. A locking device secures the position of the mass to set the strength of the magnetic field through the interaction region.
    Type: Grant
    Filed: March 31, 2011
    Date of Patent: February 25, 2014
    Assignee: E2V Technologies (UK) Limited
    Inventors: Bernard Richard Mulcahy, Martin Bernard Edwards
  • Publication number: 20140042903
    Abstract: A resistor bypass circuit for a series lighting circuit includes a plurality of serially connected light sources and a bypass resistor being connected in parallel with at least one of the respective light sources, each respective light source being low wattage and being capable operating on a one hundred percent duty cycle as desired.
    Type: Application
    Filed: October 11, 2013
    Publication date: February 13, 2014
    Inventor: Steven J. Altamura
  • Publication number: 20140028185
    Abstract: A power supply circuit includes a rectifying circuit, a transformer, and a current controller. The rectifying circuit is configured to rectify power of an AC power supply and supply the power to a light source. The transformer is electrically disposed between the AC power supply and the rectifying circuit. The transformer includes a primary winding and an auxiliary winding. The current controller is configured to adjust an amount of current flowing to the light source by detecting a voltage signal of the auxiliary winding and a signal based on the current flowing to the light source.
    Type: Application
    Filed: July 9, 2013
    Publication date: January 30, 2014
    Inventor: Yukikazu NOBATA
  • Patent number: 8629617
    Abstract: The present invention is directed to an electrical wiring device that includes a lighting assembly module disposed in the housing assembly and coupled to a set of line terminals. A control circuit is configured to provide a modulated lighting control signal to the lighting assembly module when AC power is being provided. The modulated lighting control signal is configured to adjust an intensity of the light emitted by a light emitting device such that the intensity is a function of the ambient light level. The control circuit is further configured to provide a second lighting control signal configured to turn the lighting assembly ON at a predetermined intensity for a predetermined period of time when AC power is not being provided by the source of AC power, the second lighting control signal being provided by a rechargeable electrical storage device.
    Type: Grant
    Filed: August 15, 2011
    Date of Patent: January 14, 2014
    Assignee: Pass & Seymour, Inc.
    Inventors: Jeffrey C. Richards, Gary O. Wilson, David A. Finlay, Sr., Gerald R. Savicki, Jr.
  • Patent number: 8624493
    Abstract: An integrated gas discharge lamp (5) with ignition electronics integrated into the base, comprising an ignition transformer (TIP), an ignition capacitor (CIP), and a controlled switching element (SIP), wherein the integrated ignition electronics are configured to generate an asymmetrical ignition pulse, and wherein the voltage ratio between the first lamp electrode near the base and the second lamp electrode distant from the base ranges from 22:1 to 5:4.
    Type: Grant
    Filed: November 18, 2009
    Date of Patent: January 7, 2014
    Assignee: OSRAM Gesellschaft mit beschrankter Haftung
    Inventors: Knut Asmussen, Bernhard Siessegger
  • Publication number: 20140001952
    Abstract: The present disclosure relates to a module for adding a defined functionality to a lighting fixture. In one embodiment, the module is configured to provide wireless communication capability to a lighting fixture. The module may include a housing that is removably attachable to the lighting fixture. The module may also include electronics that are contained within the housing and adapted to communicate with a driver module of the lighting fixture and wirelessly communicate with at least one remote entity to provide wireless communication capability to the lighting fixture.
    Type: Application
    Filed: April 22, 2013
    Publication date: January 2, 2014
    Applicant: Cree, Inc.
    Inventors: Michael James Harris, Spencer Scott Pratt
  • Patent number: 8610363
    Abstract: The present invention provides a pair of input terminals to which AC voltage is input, the AC voltage being phase-controlled by a dimmer for phase-controlling AC voltage of an AC source; a damping circuit which has a resistor inserted to a position, into which input current flows from the AC source via the dimmer in series, and a capacitor and an inductor which form a closed circuit together with the AC source and the dimmer, and suppresses high-frequency vibration generated in the dimmer when a phase control element of the dimmer is turned on; and an LED lighting circuit which rectifies AC voltage phase-controlled and input via the pair of input terminals, converts DC output voltage, which is obtained by rectification, so that the voltage adapts to a load, and lights the LED.
    Type: Grant
    Filed: September 2, 2010
    Date of Patent: December 17, 2013
    Assignee: Toshiba Lighting & Technology Corporation
    Inventors: Hirokazu Otake, Kenichi Asami
  • Publication number: 20130320847
    Abstract: A display device including a pixel array unit having a matrix of pixels each configured such that an anode electrode of an organic electroluminescent element is connected to a source electrode of a drive transistor, a gate electrode of the drive transistor is connected to a source or drain electrode of a writing transistor, and a storage capacitor is connected between the gate and source electrodes of the drive transistor, scanning lines and power supply lines for individual pixel rows, and signal lines for individual pixel columns. A video signal reference potential is supplied to the signal lines for a period during which a scanning signal is supplied to the scanning lines during driving of pixels in a preceding row. During threshold correction for the drive transistor in a current pixel, the video signal reference potential and a potential of the cathode electrode of the organic electroluminescent element are equal.
    Type: Application
    Filed: June 25, 2013
    Publication date: December 5, 2013
    Applicant: SONY CORPORATION
    Inventors: Yukihito Iida, Mitsuru Asano, Katsuhide Uchino
  • Patent number: 8587199
    Abstract: A discharge lamp unit has a supporting part for supporting a discharge lamp, and circuit elements from which electric power is supplied to the discharge lamp through electric wires. The electric wires have radiation parts. In order to increase an amount of heat energy radiated and discharged from the radiation parts, each of the radiation parts has a large surface area when compared with that of parts other than the radiation parts in the electric wires. The structure of the electric wires makes it possible to decrease heat energy conducted from the discharge lamp side toward the circuit elements.
    Type: Grant
    Filed: February 23, 2010
    Date of Patent: November 19, 2013
    Assignee: Denso Corporation
    Inventors: Youichi Hamazu, Yoshihiro Wanda
  • Patent number: 8587200
    Abstract: Disclosed is a light bulb which utilizes LEDs which replaces an incandescent light bulb in a fixture for incandescent light bulbs. The LED light bulb includes an optic which can be shaped to direct light to the side, and in different directions from the LED light source. Heat dissipation structures include a heat transfer column which extends from the LED to the base of the bulb, and fins which surround the optic or the support cone around the optic. A removable cover is enclosed which has openings for air circulation within the globe of the light bulb.
    Type: Grant
    Filed: December 20, 2011
    Date of Patent: November 19, 2013
    Inventors: Leroy Anderson, David Shaw
  • Patent number: 8570160
    Abstract: Methods and systems are provided that control devices using signals transmitted over power lines in many different applications and configurations. They provide a lower cost approach for controlling devices via signals transmitted over power lines. The methods and systems may control intensity, spectral, and other characteristics of lighting devices, such as light-emitting diodes (LEDs) or assemblies thereof, via power lines. They may also control other types of loads, such as motors, relays, valves or the like. Additionally, techniques for independently controlling intensity and spectral content of selected high efficiency lighting devices are also described. For example, the brightness and color of an LED may be controlled via the power lines that supply power to the LED.
    Type: Grant
    Filed: April 8, 2011
    Date of Patent: October 29, 2013
    Inventors: William Howard Speegle, Remigius Shatas
  • Publication number: 20130278137
    Abstract: A light-emitting diode (LED) lamp for producing a biologically-corrected light. In one embodiment, the LED lamp includes a color filter, which modifies the light produced by the lamp's LED chips, to increase spectral opponency and minimize melatonin suppression. In doing so, the lamp minimizes the biological effects that the lamp may have on a user. The LED lamp is appropriately designed to produce such biologically-correct light while still maintaining commercially acceptable color temperature and color rending properties. Methods of manufacturing such a lamp are provided, as well as equivalent lamps and equivalent methods of manufacture.
    Type: Application
    Filed: October 15, 2012
    Publication date: October 24, 2013
    Applicant: BIOLOGICAL ILLUMINATIONS, LLC
    Inventor: BIOLOGICAL ILLUMINATIONS, LLC
  • Publication number: 20130270999
    Abstract: A lamp includes a single string of light emitting diodes (LEDs), driven in common, configured to cause the lamp to emit a visible light output via a bulb. The lamp also includes a lighting industry standard lamp base, which has connectors arranged in a standard three-way lamp configuration, for providing electricity from a three-way lamp socket. Circuitry connected to receive electricity from the connectors of the lamp base as standard three-way control setting inputs drives the string of LEDs. The circuitry is configured to detect the standard three-way control setting inputs and to adjust the common drive to the string of LEDs to selectively produce a different visible light outputs of the lamp via the bulb responsive to the three-way control setting inputs. The lamp may also include nanophosphors pumped by emissions of the LEDs, so that the lamp produces a white light output of particularly desirable characteristics.
    Type: Application
    Filed: June 12, 2013
    Publication date: October 17, 2013
    Applicant: ABL IP HOLDING LLC
    Inventors: David P. RAMER, Jack C. RAINS, JR.
  • Publication number: 20130271001
    Abstract: A light-emitting diode driver circuit and an LED light source which are capable of reliably turning OFF an LED even when an input voltage having a value smaller than a predetermined value is supplied. A light-emitting diode driver circuit for turning ON an LED includes: an inverter which outputs electric power for driving the LED; and an inverter control circuit which controls an operation of the inverter, and when a DC voltage applied to the inverter control circuit has a value smaller than the predetermined value, the inverter control circuit stops the operation of the inverter.
    Type: Application
    Filed: December 27, 2011
    Publication date: October 17, 2013
    Applicant: PANASONIC CORPORATION
    Inventors: Toshiaki Kurachi, Kazuo Gouda
  • Publication number: 20130270998
    Abstract: Techniques, systems and devices are described for controlling the adjustment of colors and optical power of output light of solid-state lighting devices for improved lighting performance. In one aspect, a solid-state lighting system includes a lighting device and a control panel, the lighting device including solid-state light emitters, driver circuits, line sensing electronics that receives signal modulation on a power line connecting the lighting device, a digital controller that decodes the signal modulation into a digital command, and a memory that stores the decoded digital command. The control panel sends the digital command to the lighting device via the power line and modulates electrical power to produce the signal modulation that carries the digital command. In some implementations, a visual indicator may be generated when the control panel receives a digital command from a user to acknowledge the receipt of the digital command.
    Type: Application
    Filed: April 17, 2013
    Publication date: October 17, 2013
    Applicant: AXLEN, INC.
    Inventor: Bo Pi
  • Publication number: 20130257271
    Abstract: The present patent application discloses a cable fixing apparatus, and the cable fixing apparatus includes: at least one slot structure, for holding a cable; and clipping parts at both sides of each slot structure, wherein at least one of the clipping parts has an elasticity enhancement structure, and the elasticity enhancement structure is configured so that the elasticity of the clipping part is enhanced. The present patent application also discloses a printed circuit board assembly (PCBA), an electronic controller (ECG) and a light-emitting device. By using a cable fixing apparatus provided according to embodiments of the present patent application, the cable can be fixed reliably, and/or the costs of a cable fixing apparatus can be lowered.
    Type: Application
    Filed: March 28, 2013
    Publication date: October 3, 2013
    Applicant: OSRAM GmbH
    Inventors: Jianbo Gao, Haixuan Lin, Qing Miao, Wengen Tan
  • Publication number: 20130257270
    Abstract: A plasma lamp includes a capsule with a gas contained within the capsule and an ignition source to ionize the gas to produce a light emitting plasma. The ignition source includes field defining conductors within the capsule and a radio frequency source external to the capsule. The radio frequency source and the field defining conductors are configured so that the field defining conductors will produce electric fields in response to RF energy from the radio frequency source and the electric field ionizes at least a portion of the gas.
    Type: Application
    Filed: March 15, 2013
    Publication date: October 3, 2013
    Applicant: Nanometrics Incorporated
    Inventor: Ronald A. Rojeski
  • Patent number: 8531109
    Abstract: The invention relates to an LED tube system for driving at least one LED assembly comprising: an LED tube housing for containing the at least one LED assembly, two pairs of mains input terminals (A, B) provided at ends of the LED tube housing for receiving a mains supply voltage (Vmns) and for supplying the mains supply voltage (Vmns) to an internal part of the LED tube system for driving the at least one LED assembly, and further comprising a switching circuit being electrically connected with all mains input terminals (A, B, C, D) and being arranged for electrically connecting the pairs of mains input terminals together in a first state (2/ON) and electrically separating the pairs in a second state (1/OFF) of the switching circuit. The switching circuit being further arranged for providing a coupling capacitor (C10, C11) between the first pair and the second pair of input terminals in the first state (2/ON) and removing the coupling capacitor (C10, C11) in the second state (1/OFF) of the switching circuit.
    Type: Grant
    Filed: December 16, 2009
    Date of Patent: September 10, 2013
    Assignee: Ledned Holding B.V.
    Inventors: Jurjen Hilwert Visser, Guang Zhi Yu, Shuang He Zeng, Michael Friedrich Albert Staudt, Shu Kei Shea, Carl Rudolf Eduard Staudt
  • Publication number: 20130221846
    Abstract: There is provided a LED lamp assembly (1300) comprising a heat sink (1301) having a cooling structure with an outer circumference part and a centre part (1311), which supports a plurality of LEDs, and the material thickness of the cooling structure increases inwards from the outer circumference part to the centre of the heat sink. The LED assembly may further comprise a lampshade supported by the outer circumference part of the heat sink. There is also provided a LED lamp assembly comprising a heat sink having a centre, an outer circumference part supporting a plurality of LEDs, and a cooling structure with a number of vent-holes allowing passage of air, the cooling structure supported by the outer circumference part and extending inwards towards the centre from the outer circumference part.
    Type: Application
    Filed: May 4, 2011
    Publication date: August 29, 2013
    Applicant: Alexiou & Tryde Holding ApS
    Inventors: Alexandra Alexiou, Jacob Willer Tryde
  • Patent number: 8502454
    Abstract: Various apparatuses and methods for replacing a fluorescent lamp with a non-fluorescent tube are disclosed herein. For example, some embodiments provide an apparatus for replacing a fluorescent lamp, including an electrical connector adapted to electrically connect to a fluorescent lamp fixture, a DC rectifier connected to the electrical connector, a voltage converter connected to the DC rectifier, and a non-fluorescent light source connected to the voltage converter. The DC rectifier, voltage converter and non-fluorescent light source are substantially contained within a housing that is physically configured to replace the fluorescent lamp in a fluorescent lamp fixture.
    Type: Grant
    Filed: February 8, 2009
    Date of Patent: August 6, 2013
    Assignee: InnoSys, Inc
    Inventor: Laurence P. Sadwick
  • Publication number: 20130162139
    Abstract: An exemplary LED bulb includes a top optical section, a middle heat dissipation section, and a bottom electrical section. The optical section includes a light source and a light guider. The light source further includes a substrate and at least one LED arranged on the substrate. The heat dissipation section includes a sleeve at a rear of the optical section and a chamber. The sleeve has a tube portion and a sealed end with a heat absorbing surface thermally contacting the substrate. A porous wick structure is arranged on the outer sidewall of the tube portion and contains working fluid therein. The chamber has an annular configuration defined between an inner side surface of an LED bulb shell and an outer side surface of the sleeve. The electrical section includes a threaded cap arranged at a bottom portion of the LED bulb, and a circuit board received in the sleeve.
    Type: Application
    Filed: December 10, 2012
    Publication date: June 27, 2013
    Applicant: FOXCONN TECHNOLOGY CO., LTD.
    Inventor: Foxconn Technology Co., Ltd.
  • Patent number: 8466619
    Abstract: An illumination apparatus includes an adapter that converts power into driving power; a light emitting device illumination part that is detachably and electrically connected to the adapter to emit light according to the driving power from the adapter; and a driving unit that controls an illumination direction of the light emitting device.
    Type: Grant
    Filed: November 9, 2009
    Date of Patent: June 18, 2013
    Assignee: Dongbu HiTek Co., Ltd.
    Inventors: Young Hwan Lee, Kwan Soo Jang, Chung Hyun Cho