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LED luminaire with improved life and operation management
A method and apparatus for adjusting the drive signal of an LED luminaire is provided and includes an LED light source assembly, an ambient sensor circuit, a...
Dimmable operating device having internal dimming characteristic
The invention relates to an operating device (BG) for lamps (LM), comprising an interface (IFi), by means of which the device (BG) may be provided with external...
Light adjustment circuit for alternating-current light emitting diodes
A light adjustment circuit for alternating-current light emitting diodes (AC-LED's) connected to an AC power supply and a plurality of AC-LED's comprises: a...
Multiple-input electronic ballast with processor
A ballast having a microprocessor embedded therein is controlled via four inputs. The ballast includes a high-voltage phase-controlled signal provided by a...
Electronic device capable of controlling LED brightness and method thereof
An electronic device capable of controlling light-emitting diode (LED) bright is provided. The electronic device includes a signal producing unit for producing...
Light emitting diode driving apparatus
A light emitting diode driving apparatus 10 of the present invention includes: a driving voltage generating section 11 for generating a driving voltage Vout of...
Voltage supply module and backlight assembly having the same
In a voltage supply module and a backlight assembly having the same, a converter is disposed on a first face of a board and converts basic voltage into driving...
Color navigation system
A system and method for color navigation through a CIELAB color space with coordinates hue (H), lightness (L), chroma (C), with intervals .DELTA.H, .DELTA.L,...
Backlight assembly, display apparatus having the same and control method
A backlight assembly with a light source unit, includes: a drive signal generator which generates a switching drive signal on the basis of a predetermined drive...
Device and method for operating a high-pressure discharge lamp
A device for operating a high-pressure discharge lamp (930) with a bipolar supply current and a regulated power input. The device includes a regulator (961)...
LED with integrated constant current driver
An LED package containing integrated circuitry for matching a power source voltage to the LED operating voltage, LEDs containing such integrated circuitry,...
Method and an operation controller for operation of a mercury vapour
The invention describes a method for operation of a mercury vapour discharge lamp (1) in an image rendering system (30), wherein during a total operation time...
Light source apparatus
The light source apparatus is provided with a plurality of light source device disposed in the form of a ring and that emit illumination light toward the...
Multi-pulse ignition circuit for a gas discharge lamp
An ignition circuit for igniting a gas discharge lamp generates a high voltage gas breakdown pulse by building up a current through a primary winding of a...
LED drive circuit
A LED drive circuit equipped with oscillator 18, up/down counter 20, and DAC 22 in order to drive multiple LEDs 10(1)-10(m) in a block. Up/down counter 20...
Modular wireless lighting control system using a common ballast control
Disclosed is a modular lighting system that incorporates wireless technology and a standard interface. The lighting system may be installed in new buildings or...
Illumination system comprising a plurality of light sources
An illumination system (1) comprises a plurality of light sources (11, 12, 13), each provided with a driver (21, 22, 23); a controller (30) for generating...
Multi-zone closed loop daylight harvesting having at least one light
A multi-zone daylight harvesting method and apparatus having a closed loop system utilizing a single light sensor is disclosed herein. This light control system...
Methods for inductively-coupled RF power source
A method for tracking a variable resonance condition in a plasma coil during creation of plasma from a gas flowing in a plasma torch adjacent to the plasma coil...
Controlled plasma power supply
A plasma power supply system for producing electrical power in the range between 1 kW and 100 kW for a plasma processing system and supplying the power to a...
Phase and frequency control of a radio frequency generator from an
Controlling a phase and/or a frequency of a RF generator. The RF generator includes a power source, a sensor, and a sensor signal processing unit. The sensor...
Atmospheric pressure plasma apparatus
Disclosed is an atmospheric pressure plasma apparatus for enhancing and or controlling the dissociation of a secondary gas by converting a source gas into a...
Lighting controller of lighting device for vehicle
A lighting controller of a lighting device for a vehicle includes M (M is an integer of one or more) switching regulators for supplying driving currents to...
Plasma lamp with dielectric waveguide
A dielectric waveguide integrated plasma lamp is disclosed for powering a small and bright bulb with a diameter of a few millimeters. The lamp is contained...
Microshell plasma display
A gas discharge (plasma) display comprising gas filled microshells positioned on a substrate in electrical contact with two or more electrodes. Each microshell...
Dispersion-type electroluminescent element and method for manufacturing
A dispersion-type EL element formed on a thin or flexible transparent plastic film and a method for manufacturing the same are provided. The dispersion-type...
Light-emitting device having protective circuits
A light-emitting device includes a plurality of unit circuits that are arranged in an element forming region on a substrate, each unit circuit having a...
Organic light-emitting diode with transparent multilayer electrode
An organic light-emitting diode comprising a substrate, an organic light-emitting layer arranged between a first electrode and a transparent and semi-reflecting...
Self light emitting device
To provide a method of improving an efficiency for extracting light in a self light-emitting device using an organic EL material. In the self light-emitting...
Organic light emitting diode display device and method of fabricating the
An organic light emitting diode display device having a frit which can improve mechanical strength and adhesion between the upper substrate and the lower...
Organic light-emitting display apparatus
Provided is an organic light-emitting display apparatus with improved contrast. The organic light-emitting display apparatus includes: a substrate; an organic...
Anthracene derivative, and light emitting element, light emitting device,
electronic device using anthracene...
A novel anthracene derivative represented by General Formula (1) is provided, which enables the production of a light-emitting element with high luminous...
Inorganic electroluminescence device, display apparatus having the same
and method thereof
An inorganic electroluminescence device including a first electrode and a second electrode disposed apart from each other, and a dielectric material layer...
The present invention provides a display device including: a pair of substrates in which a plurality of pixels are disposed in a matrix form as a whole, the...
Organic light emitting device and method for manufacturing the same
A top emission OLED includes a driving TFT including a channel region and source and drain electrodes. A power supply, a ground line, and a light emitting diode...
Method of preparing field electron emitter and field electron emission
device including field electron emitter...
A method of preparing a field electron emitter includes preparing an aqueous solution including a carbon nanotube-nucleic acid composite, preparing a substrate...
Field emission display device
A field emission device includes an insulating substrate, one or more grids located on the insulating substrate. Each grid includes a first, second, third and...
Electron beam generating apparatus
An electron beam generating apparatus (1a) includes an electron gun (2), a vacuum container (3), a frame material (11), and a window material (13). The electron...
Integrally ballasted lamp assembly including a spacer disk
An integrally ballasted lamp assembly (200) including a spacer disk (220) disposed in a lamp receptacle cavity (244) between a lamp (226) and the bottom (238)...
Compound HID electric arc tube
A composite High Intensity Discharge ("HID") arc tube includes a discharge tube and two outwardly extending tubes. The discharge tube is a composite two-layer...
Light emitting element, light emitting device, image display device,
method of driving light emitting element,...
A light emitting element of the present invention includes an electrode substrate; a thin-film electrode; and an electron acceleration layer sandwiched between...
Light-emitting devices utilizing gaseous sulfur compounds
A light-emitting device utilizing gaseous sulfur compounds is provided. This device includes a first substrate with an energy transmission coil disposed...
Gas-discharge reflector lamp
The invention relates to the electrotechnical industry. Said invention makes it possible to reduce the production cost of, and improve the quality of,...
Irradiation device with filter disks and medium enclosed therebetween
The present invention relates to an irradiation device having a radiation source and a filter which is arranged in the optical path and has two transparent...
Spherical rotary piezoelectric motor
A spherical rotary piezoelectric motor comprises a spherical rotor, a hemispherical stator, and a plurality of piezoelectric actuators. The hemispherical stator...
Piezoelectric frames and piezoelectric devices comprising same
Piezoelectric frames are disclosed that include a tuning-fork type piezoelectric vibrating piece. The vibrating piece has at least a pair of vibrating arms that...
Piezoelectric devices having improved impact resistance
An exemplary piezoelectric vibrating device has a lid plate, a chip plate including a tuning-fork type vibrating piece surrounded by an outer frame, and a...
Energy harvesting device
A piezoelectric energy harvesting device (PEHD) comprising a driving element, conducting element, piezoelectric layer and non-piezoelectric layer capable of...
Ultrasonic transducer, ultrasonic transducer array, and ultrasonic device
An ultrasonic transducer is configured to transmit or receive ultrasonic waves. The ultrasonic transducer includes a vibrating member and a piezoelectric member...
MEMS component and method for production
A MEMS component includes a chip that has a rear side having a low roughness of less than one tenth of the wavelength at the center frequency of an acoustic...