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US20100084992 INTENSITY CONTROL AND COLOR MIXING OF LIGHT EMITTING DEVICES  
The present disclosure presents systems and methods for controlling light intensity and color mixing of light emitted by lighting devices. A controller may use a setting for an intensity of light...
US20110095701 LIGHT EMITTING MODULE  
A light emitting module includes an organic EL light emitting element and a support body supporting the organic EL light emitting element. The support body is attached to the organic EL light...
US20100277083 LIGHTING DEVICE  
According to one embodiment, a lighting device includes a device board, a rectification device connected to a commercial power supply, a series LED circuit, and a transistor (current limiter)...
US20130221868 Illuminable Wall Socket Plates and Systems and Methods Thereof  
The invention relates generally to an illuminable wall socket plate for replacing existing wall sockets in one simple installation step. The illuminable wall socket plate obtains electric current...
US20090173610 System and methods for electronic device keyboard illumination  
A keyboard may be generally illuminated while also providing for key-specific illumination of one or more particular keys. The keyboard may be generally illuminated using any configuration of any...
US20100060674 LIGHT-EMITTING ELEMENT DRIVING CIRCUIT  
A light-emitting element driving circuit (10) comprises a luminosity determining unit (70) which determines luminosity, outputs a luminosity determination result, and outputs brightness change...
US20080054821 Systems and methods for indicating lighting states  
In general, the present disclosure pertains to systems and methods for controlling the states of lights and/or other electrical components. In one exemplary embodiment, a system includes at least...
US20080061712 Uniform Back-Lighting Device And Display Device Therewith  
The present invention provides a back-lighting device, comprising a housing (10) with a plurality of fluorescent lamps (12), which are operated either individually or in groups (11A, 11B, 11C),...
US20100072916 TOUCH SENSOR DEVICE  
Provided is a touch sensor device including: at least one terminal connected to at least one contact pad; at least one common terminal; at least one light emitter connected between the common...
US20090066263 Light Emitting Element Control Circuit  
A light emitting element control circuit comprising: a variable current generation circuit configured to generate a variable current varying in a direction of increase or in a direction of...
US20100277091 TEMPERATURE-STABILIZED CURRENT REGULATION DRIVER  
A driver device may include a driver transistor providing a regulated current; and a stabilization circuit to produce a stabilized reference voltage to be applied to said driver transistor. The...
US20100019688 Inverter And Lamp Driver Including The Same  
The present invention relates to an inverter and a lamp driver having the same. The inverter includes a first switch having a first body diode, a second switch having a second body diode, a...
US20060220571 Light emitting diode current control method and system  
A method of accurately controlling at least one of an intensity, brightness, dimming or color mixing of a LED, the method comprising monitoring an actual current flowing through the LED, selecting...
US20090278471 CIRCUIT DEVICE FOR LIGHT-EMITTING DIODE DRIVING AND STABILIZING SYSTEM  
A circuit device for an LED's driving and stabilizing system includes an AC/DC controllable driving voltage source, a feedback driving controller, an LED demodulation driving controller...
US20100109552 Light Dimmer Circuit  
A light dimmer circuit for use with light emitting diodes. Light emitting diodes (LEDs) are connected in parallel with capacitors, which are connected in parallel with LED drivers. The light...
US20070114951 DRIVE CIRCUIT FOR A LIGHT EMITTING DIODE ARRAY  
A voltage regulator supplies a drive voltage to a light emitting diode array. A current regulator has a plurality of current regulating terminals, correspondingly coupled to a plurality of...
US20060261754 LED driving circuit having dimming circuit  
The invention relates to an LED driving circuit having a dimming circuit, which includes a PWM driver for providing a switching pulse having a width adjustable according to a voltage value...
US20090009103 WIRELESS CONTROLLED LIGHT EMITTING ASSEMBLY  
A light emitting assembly and a system utilizing a plurality of light emitting assemblies having a plurality of light emitting elements arranged and disposed within a sub-assembly. The assembly...
US20090200958 CONTROLLING REFLECTED LIGHT USING ELECTRONIC PAPER  
A system and a method for using ePaper as a light control media in lighting fixtures or other light enhanced applications to modify, dim or color-shift the light used for lighting the space. One...
US20090273300 Variable Intensity LED Illumination System  
A variable intensity LED illumination system is configured to provide a change in luminance versus input voltage that corresponds to a desired transfer function, such as the dimming...
US20150173154 COMMISSIONING METHOD AND APPARATUS  
A lamp controller 100 for a lamp in a lighting network has a commissioning mode of operation and transmits an identity of the lamp by modulating the light. This identity information may be...
US20080272713 Driving Circuit of Organic Light Emitting Diode Display Panel and Discharging Method Using the Same  
There is provided a driving circuit using an internal diode instead of a zener diode and a discharging method using the same capable of replacing a driving circuit including an external zener...
US20140354174 INFRARED EMITTING DIODE DRIVING CIRCUIT AND REMOTE CONTROL  
An infrared emitting diode driving circuit includes a first resistor includes a first terminal and a second terminal, a second resistor, and a transistor with the emitter grounded via the second...
US20110254464 PULSE WIDTH MODULATION (PWM) CLOSED LOOP LED CURRENT DRIVER IN AN EMBEDDED SYSTEM  
Methods and systems for providing stable and accurate low noise DC reference voltage are described. In the described embodiments, a feedback controlled DC reference voltage supply provides a...
US20060033452 Light emitting device using light emitting element and driving method of light emitting element, and lighting apparatus  
It is an object of the present invention to provide a light-emitting device including a light-emitting element with smaller luminance degradation by contriving a driving means. In addition, it is...
US20140217912 DIMMABLE LED ILLUMINATING SYSTEM, DRIVER OF THE ILLUMINATING SYSTEM, AND METHOD OF DRIVING THE ILLUMINATING SYSTEM  
A dimmable LED illumination system includes a LED lamp, a switch, and a driver. The LED lamp receives electric signals to emit light; the switch is connected to a power source, and generates a...
US20100079071 VEHICULAR LAMP  
The disclosure facilitates determining the presence of an abnormality of a light source in a vehicular lamp using, as a determination condition, a number of disconnected semiconductor...
US20150262103 APPARATUS AND METHOD FOR MANAGING SHOP USING LIGHTING NETWORK AND VISIBLE LIGHT COMMUNICATION  
A shop management apparatus and method are disclosed therein. The apparatus includes an input unit, a product information management unit, a communication unit, and a shop management unit. The...
US20110316442 LED LIGHTING DEVICE  
The LED lighting device includes a lighting circuit unit, a current detecting unit, a voltage detecting unit, and a control unit. The lighting circuit unit is adapted in use to be connected to a...
US20100134028 LIGHT SOURCE  
A light source comprises a discharge lamp (LA), a bridge circuit for driving the discharge lamp and a reflector (RE). The bridge circuit comprises a capacitor (C1) coupled between a lamp...
US20090085493 Electronic Ballast for Discharge Lamps Having an Eol Monitoring Circuit  
The invention relates to an electronic ballast for a discharge lamp LA1 having an EOL monitoring circuit R1, R2, U1, R9, U2-A, U2-B, U3-A, AE, which has a current differential amplifier U1 having...
US20110018460 Discharge lamp lighting apparatus  
In an optimum frequency detection sequence of a discharge lamp, the frequency control circuit performs a sweep operation in which, while the frequency control circuit monitors a syntonization...
US20050168171 Method for controlling striations in a lamp powered by an electronic ballast  
A method for controlling striations in a lamp powered by an electronic ballast includes the steps of generating an asymmetric lamp current using an unbalanced circuit component in the electronic...
US20120212146 LED DRIVING DEVICE  
Disclosed herein is a light emitting diode (LED) driving device for driving a multi-channel LED element or an LED array for each channel, the LED driving device including: a constant current...
US20100039571 TRIANGULAR-WAVE GENERATING CIRCUIT SYNCHRONIZED WITH AN EXTERNAL CIRCUIT  
A charge-discharge circuit charges or discharges a capacitor having a fixed electric potential at one end. A first comparator compares an output voltage of the capacitor with a first threshold...
US20120104970 LIGHTING POWER SUPPLY DEVICE AND METHOD FOR CONTROLLING HOLDING CURRENT  
A lighting power supply device receives a voltage converted from an alternating current to a direct current by a rectifying circuit rectifying the alternating current whose phase is controlled by...
US20090243511 Stabilized high power LED module  
A stabilized high power LED module includes a supporting frame and an illuminating unit. The supporting frame is made of thermal conductive material for radiating heat produced by the illuminating...
US20090108770 LIGHT SOURCE, PROJECTOR, AND METHOD FOR DRIVING LIGHT SOURCE  
A light source includes an arc tube having a first electrode and a second electrode that emit light by discharge between the electrodes, and a driving unit that supplies a current between the...
US20110298390 POWER CONVERSION CONTROLLER HAVING AN ADAPTIVE PEAK CURRENT REFERENCE  
A power conversion controller having an adaptive peak current reference, including: a peak current reference generation means, used for generating a peak current reference signal by performing an...
US20080079369 FLICKER PREVENTING APPARATUS OF FLUORESCENT LAMP  
A fluorescent lamp controlling circuit reduces and/or prevents a fluorescent lamp from suddenly flickering when a power switch is turned on and/or off. Switching operation of a switch that...
US20120176060 Power supply device  
In various embodiments, a two-switch flyback power supply may include a transformer having a primary winding and a secondary winding to feed a load; a pair of electronic switches alternatively...
US20100270943 COLLEGE AND PRO SPORTS FRAGRANCE OIL WARMERS  
A college and pro sports fragrance oil warmer device which includes a housing having a number of sides, a bottom wall and an open top. A fragrance producing medium is disposed in a glass bowl upon...
US20050012463 One-to-many compact fluorescent lamp holder structure  
A one-to-many compact fluorescent lamp holder structure includes a plurality of sockets, each of which is adapted to receive a compact fluorescent lamp; a ballast mechanism containing a ballast...
US20100244728 METHOD AND CONTROL CIRCUIT FOR DIMMING A GAS DISCHARGE LAMP  
In a method of dimming a gas discharge lamp, a controllable switch is provided which is connected between terminals of the lamp receiving an alternating power supply voltage. The opening and...
US20090072756 CONVERTER CIRCUIT CAPABLE OF SELF-REACTIVATION AND RELATED DISPLAY DEVICE  
A converter circuit includes a detecting circuit, a PWM circuit, a control circuit, a switching circuit, and a power converting circuit. The detecting circuit generates a first or a second control...
US20150008842 LED-BASED LIGHTING CONTROL NETWORK COMMUNICATION  
An LED based illumination device includes a receiver and a transmitter for communications adhering to a lighting control communications protocol and a high speed communications protocol. The LED...
US20100052564 BACKLIGHT ASSEMBLY AND METHOD OF DRIVING THE SAME  
A backlighting assembly for an LCD display is divided into a plurality of selective dimming areas each having a respective plurality of light generating blocks. A plurality of driving units supply...
US20120050251 Scan Driver, Light Emitting Driver, and Driving Method Thereof  
A scan driver includes: a plurality of scan driving blocks including an output terminal outputting a scan signal to a scan line; a first transistor transmitting a voltage of a power source to the...
US20140070715 LED constant-current drive circuit  
An LED constant-current drive circuit includes a BUCK circuit consisting of a transformer T1, a diode D9, a capacitor C5 and a field effect transistor Q1; a voltage limiting circuit consisting of...
US20150048755 SWITCHING POWER SUPPLY CIRCUIT AND LED ILLUMINATION DEVICE  
A flyback-type switching power supply circuit provided with a transformer including a primary coil and a secondary coil, and a switching element connected to the primary coil, comprising: a...