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Circuit arrangement for protection from electrostatic discharges and
method for operating same
A circuit arrangement for protection against electrostatic discharges has a diverting structure (ESD1), which comprises a diverting element (DE1) and a...
Light source drive device, display apparatus, and light source drive
A light source drive device includes a supply unit that supplies a high-frequency first drive signal and a second drive signal whose frequency is lower than a...
DC operated Christmas light string
A string set of series-connected incandescent bulbs in which the bulbs are individually provided with a voltage responsive shunt which is inoperative during...
Device having a plurality of driver circuits to provide a current to a
plurality of loads and method of...
In various embodiments, a device is provided. The device includes a substrate having a first side and a second side opposite the first side. The substrate...
System and method for controlling lighting
A controller for controlling a plurality of lighting devices configured for wireless communications in a facility includes a data communications interface...
A light controller is provided in the present invention. The light controller for adjusting a plurality of lights in a space, including a body having a slot, a...
Integrated light-emitting diode driver circuit and method of operating the
An integrated light-emitting diode (LED) driver circuit includes a bi-directional power line communication (PLC) unit, a power conversion module, and a constant...
Lighting network with autonomous commissioning
Networked intelligent lighting devices and other elements connected to the network of a lighting system are readily adaptable to desirable networking...
Dimming control device and method
The present invention relates to a dimming control device and method, and a dimming control device according to an embodiment of the present invention may...
Illumination control system
An illumination control system includes a signal detection unit for detecting a signal changed depending on an eye state of a person, an opening/closing...
Adaptive lighting system with low energy consumption
A method for designing a lighting system, including: obtaining a selection of a color temperature (CT); obtaining, for the CT, a first spectral power...
Multi-mode photo-controlled light with timer circuit
A photo-controlled light includes an electrical power input port configured to receive electrical power, a light emitting unit that is connected to the...
Security light with lifestyle solutions
A lifestyle lighting solution using microcontroller technology for controlling nighttime illumination is disclosed wherein the night time illumination is...
Lighting device and lighting system
This lighting device comprises a light-emitting unit, a reception unit for receiving information from an adjacent lighting device, and a control unit for...
Light emitting device
Provided is a light emitting device in which with the general color rendering index Ra and the special color rendering index R9 maintained at high numeric...
Modifying duty cycles of PWM drive signals to compensate for LED driver
mismatches in a multi-channel LED system
An LED (Light Emitting Diode) controller comprises a first LED driver to generate a first PWM (Pulse Width Modulation) drive signal to turn on or turn off,...
Leakage current detection circuit, semiconductor apparatus, LED
illumination apparatus, and vehicle
A leakage current detection circuit detects a switch current flowing in a switch which is targeted for leakage monitoring, and generates a detection signal to...
Pixel circuits for AMOLED displays
The OLED voltage of a selected pixel is extracted from the pixel produced when the pixel is programmed so that the pixel current is a function of the OLED...
Dimmer compatible light emitting diode driver
Drivers (1) for driving lamps (2) comprising light emitting diodes are provided with arrangements (11) for, in response to detections of instantaneous values...
Isolation dimmer circuit structure
An isolation dimmer circuit structure includes a control circuit module having an input end for receiving a sensing signal and an output end for outputting a...
Control unit for LED assembly and lighting system
A lighting system comprising an LED assembly that comprises a first and second LED unit said LED units being serial connected is described. The system...
Low cost LED driver with improved serial bus
An LED driver IC for driving external strings of LEDs comprises a prefix register and a data register connected in series with each other and with the prefix...
Dual mode operation light-emitting diode lighting device having multiple
An LED lighting device includes first and second luminescent units, first and second current controllers, a line voltage sensing unit and a mode control unit....
Dimming circuit and method for LEDs
The present disclosure relates to dimming circuit and method for LEDs. The dimming circuit obtains a DC voltage from an external AC power supply by using a...
Driver circuit for light-emitting diodes
In one embodiment, a driver circuit for light-emitting diodes has a first DC/DC converter (DCDC1) with an input (IN) for feeding a supply voltage (VBAT) and...
Drive circuit for illumination device and illumination device
Various embodiments relate to a drive circuit for an illumination device and an illumination device. The drive circuit includes a first drive module, wherein...
Inductive power transfer system
An inductive power transfer system comprises a primary side unit (1) and a secondary side unit (6) with a non-conductive barrier (5) therebetween, the primary...
LED array member and integrated control module assembly with built-in
A LAM/ICM assembly comprises an integrated control module (ICM) and an LED array member (LAM). The ICM includes interconnect through which power from outside...
Light emitting diode lamp and driver
Light sources (1) for replacing fluorescent lamps (100) are provided with terminals (11, 12) for exchanging alternating current signals having frequencies of at...
Primary-side control of a switching power converter with feed forward
An electronic system includes controller to control a switching power converter to provide power to a load. To control the amount of power provided to the load,...
Illumination system having color temperature control and method for
controlling the same
An illumination system includes a power supply unit; and a light emitting apparatus driven by power supplied from the power supply unit. The light emitting...
Driver device for driving an LED unit
A driver device and a corresponding method for driving a load, in particular an LED unit comprising one or more LEDs. The proposed driver device comprises power...
Coordinated autonomous network of grid powered lighting devices
A power management system for a lighting circuit may include a grid shifting controller that includes a processor and a connection to an external power source....
Boost then floating buck mode converter for LED driver using common switch
A converter has a boost portion and a buck portion. The boost portion supplies a boosted voltage and includes a first inductor having a first end coupled to the...
LED converter including a resonant convertor
The invention relates to an LED converter for operating a load comprising at least one LED series that includes at least one LED, preferably multiple LEDs. On...
Multi-electrode field emission device having single power source and
method of driving same
A field emission device and a method of driving the multi-electrode field emission device having a single driving power source are disclosed. The field emission...
Organic EL device having improved sealing property
An organic EL device including an organic EL portion, wiring, and an externally-connecting terminal, which are disposed above a substrate having flexibility....
Laminate support film for fabrication of light emitting devices and method
Optical elements (130) are attached to a support film (110) at select locations, the select locations corresponding to locations of light emitting elements...
Device and method for applying electromagnetic energy to a container
Radiofrequency energy is applied to a container having an outer housing and an inner housing disposed at least partially within the outer housing. At least a...
Material heating and providing apparatus
A dielectric heating system which is provided with a high frequency oscillator, a housing which forms part of a waveguide and is provided with a loading opening...
Method of manufacturing electrodes for flat heat generator
A method of manufacturing electrodes for a flat heat generator is provided for creating electrodes in an arbitrary shape on an arbitrary site of an arbitrarily...
A ceramic heater is proposed in which in the vicinities of the heating element's terminals where a bolt and a washer are used to fix and effect the electric...
Heater control device, and control method and control program for heater
A heater control device includes a current calculating unit (20) which calculates a third value of current based on a first value of current flowing through a...
Inverter with monitoring of the moisture state and method for operating an
An inverter for converting electrical power from a DC voltage generator is disclosed. The inverter includes a moisture sensor inside a housing of the inverter,...
Heat treatment apparatus for heating substrate by irradiating substrate
with flash of light
The front surface of a semiconductor wafer with a back surface supported by lift pins is irradiated with a flash of light from flash lamps, so that the...
Apparatus and method for mode selection for device-to-device
In accordance with an example embodiment of the present invention, a method is disclosed that comprises measuring a first link quality of a first link based at...
Multi radio wireless LAN networks
Systems and methods for improving wireless access point communications are provided. Some embodiments contemplate filtering operations such that two or more...
Virtual inter-process communication between a radio equipment and a radio
equipment controller in a base...
Embodiments of a Radio Equipment (RE), and methods of operation thereof, are disclosed. In one embodiment, the RE is designed for Inter-Process Communication...
Method for supporting communication using two or more radio access
technologies and apparatus for same
A method for supporting communication using two or more heterogeneous radio access technologies (RAT) includes the steps of: the terminal receiving a first...
Method for transmitting broadcast services in a radiocommunication
cellular network through a femto base...
The invention concerns a method and a Femto base station for transmitting broadcast services from a radiocommunication cellular network (10) to a mobile...