Did You Know...
...that after Parker Brothers executives turned down the game of Monopoly because it had "52 fundamental errors" (including taking too long to play), a copy of the game wound up in the home of the company president who stayed up until 1 a.m. to finish playing it? He was so impressed by the game that the next day he wrote to inventor Charles Darrow and offered to buy it!
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| Application No. | Application Title | Issue Date |
| 20120049749 | INTELLIGENT DIMMER FOR MANAGING A LIGHTING LOAD An intelligent dimmer (12) for managing a lighting load (172) coupled to an AC voltage source (174) is disclosed. In particular embodiments, the intelligent dimmer (12) may be incorporated into a system (10) and method (220-2... | 03/01/2012 |
| 20120038283 | LIGHT EMITTING DIODE DRIVING SYSTEM AND CIRCUIT THEREOF The present invention relates to a light emitting diode (LED) driving system and a circuit thereof. The LED driving circuit is configured to control a direct voltage converter configured to generate a regulated output voltage to an input terminal of an LED array. The LE... | 02/16/2012 |
| 20120019150 | POWER SUPPLY DEVICE AND LIGHTING SYSTEM HAVING THE SAME Disclosed herein are a power supply device and a lighting system having the same. The lighting system includes a power supply device including at least two converters that receive AC power and convert it into DC power and selectively outputting any one DC power thereof;... | 01/26/2012 |
| 20120001555 | TUNABLE WHITE COLOR METHODS AND USES THEREOF A lighting apparatus includes: first, second and third groups of solid state light emitters; a first group of lumiphors; at least first, second and third power lines, the first, second and third group of solid state light emitters each being electrically coupled to at l... | 01/05/2012 |
| 20110316430 | MULTI-TRANSFORMER LLC RESONANT CONVERTER CIRCUITS AND METHODS In a first aspect, an LLC resonant converter is provided for driving a plurality of output circuits from a DC input signal. The LLC resonant converter includes: (a) an inverter circuit for converting the DC input signal to a square-wave signal; (b) an inductor network c... | 12/29/2011 |
| 20110254454 | LED DRIVING DEVICE, LIGHT SOURCE DEVICE, AND LIQUID CRYSTAL DISPLAYING DEVICE A first power supply voltage Vin1 of a first input section and a second power supply voltage Vin2 of the second input section satisfy an expression Vf(min)≦Vin2<Vf(typ)<Vin1≦Vf(max). A switching controller alternately electrically c... | 10/20/2011 |
| 20110204798 | SYSTEMS AND METHODS FOR DRIVING LIGHT-EMITTING DIODES At least some embodiments include a LED driver system. The system includes multiple branches of series-coupled LEDs, multiple current sources, and control logic. Each of the current sources is coupled to a separate branch of series-coupled LEDs. The control logic is cou... | 08/25/2011 |
| 20110204797 | LED array control circuit with voltage adjustment function and driver circuit and method for the same The present invention discloses an LED array control circuit with voltage adjustment function and a driver circuit and a method for the same. The LED array includes multiple LED strings each of which has multiple LED devices connected in series. The LED array control ci... | 08/25/2011 |
| 20110169415 | PACKAGE OF CONSTANT-CURRENT SUPPLYING CHIP AND LED LAMP DRIVEN BY ALTERNATING CURRENT An LED lamp driven by alternating current includes at least a first constant-current supplying device, at least a second constant-current supplying device and at least an LED load. A terminal of the first constant-current supplying device is connected to the first conne... | 07/14/2011 |
| 20110133644 | SCALABLE POWER DISTRIBUTOR The invention relates to an elongated power distributor (100) adapted to provide electrical power to an OLED device (104), the power distributor (100) comprising—a set of power cells (102), wherein the power cells (102) are arranged ... | 06/09/2011 |
| 20110127917 | Solid State Lighting Panels with Variable Voltage Boost Current Sources A lighting panel system includes a lighting panel having a string of solid state lighting devices and a current supply circuit having a voltage input terminal, a control input terminal, and first and second output terminals coupled to the string of solid state lighting ... | 06/02/2011 |
| 20110069094 | Illumination devices and related systems and methods Illumination devices and related systems and methods are closed that can be used for LCD (Liquid Crystal Display) backlights, LED lamps, or other applications. The illumination devices can include a photo detector, such as a photodiode or an LED or other light detecting... | 03/24/2011 |
| 20110043117 | POWER SAVING LIGHT EMITTING DIODE DISPLAY BOARD SYSTEM In a power saving LED (Light Emitting Diode) display board system, each pixel is formed by combining at least one red LED, at least one blue LED and at least one green LED. The power saving LED display board system includes a power converter; a red LED power supply; a g... | 02/24/2011 |
| 20100231132 | Sigma Delta Current Source and LED Driver A circuit arrangement includes a first light emitting diode and a second light emitting diode emitting light of different colors arranged adjacent to each other for additive color mixing. A first and second controllable current sources are connected to the first and sec... | 09/16/2010 |
| 20100225237 | Circuit and Method for Matching Current Channels The present invention discloses a current-matching method comprising steps of: providing a plurality of current channels; grouping the plurality of current channels into W sets, each of which has Q channels; and matching the channels of the same set in current, where bo... | 09/09/2010 |
| 20100194294 | DRIVING CIRCUIT FOR LIGHT EMITTING ELEMENT, AND ELECTRONIC DEVICE Multiple LED terminals are provided to multiple LEDs, respectively. Each of these LED terminals is connected to the anode of the corresponding LED. A booster circuit boosts an input voltage. Multiple constant current sources are provided to the multiple LEDs, respective... | 08/05/2010 |
| 20100102732 | DRIVING LIGHT EMITTING DIODES The present invention relates to a driver for a string (STi) of series arranged light emitting diodes (D1i, D2i, D3i) of which at least two emit light having different spectra. The driver comprises a main power supply (PAi) whic... | 04/29/2010 |
| 20100090606 | Light Emitting Diode Packages Lighting packages are described for light emitting diode (LED) lighting solutions having a wide variety of applications which seek to balance criteria such as heat dissipation, brightness, and color uniformity. The present approach includes a backing of thermally conduc... | 04/15/2010 |
| 20100072902 | LIGHT ELEMENT ARRAY WITH CONTROLLABLE CURRENT SOURCES AND METHOD OF OPERATION A light element array (100) including first (LEE1), second (LEE2) and third light emitting elements (LEE3), and first (140) and second (150) current sources. The first light emitting is characterized by a first operating voltage... | 03/25/2010 |
| 20100072901 | METHOD AND DRIVER FOR DETERMINING DRIVE VALUES FOR DRIVING A LIGHTING DEVICE The present invention relates to a method for determining drive values for driving a lighting device at a desired brightness and color. The method comprising the steps of determining a first luminous flux weight ratio based on the desired color and a first drive current... | 03/25/2010 |
| 20100066257 | High efficiency power system for a LED display system A LED display system includes multiple LEDs, a power converter to produce a supply voltage for the LEDs, and multiple drivers to drive the LEDs. According to the maximum one of the forward voltages of the LEDs, the drivers provides a feedback signal for the supply volta... | 03/18/2010 |
| 20090211888 | MULTI-ILLUMINATING KEYBOARD BACK LIGHT AND METHOD A keyboard apparatus includes a housing which includes a plurality of key pads spatially disposed within the housing, each of the key pads being depressible upon touch by a user, the plurality of key pads being distributed in a plurality of non-overlapping keyboard regi... | 08/27/2009 |
| 20090189531 | Backlight Module Backlight module is disclosed. The backlight module includes a first lamp, a first voltage source, a second lamp, a second voltage source, a first external electrode, and a second external electrode. Both the first and the second voltage sources have a first terminal an... | 07/30/2009 |
| 20090026968 | PLASMA SUPPLY DEVICE A plasma supply device generates an output power greater than 500 W at an essentially constant basic frequency greater than 3 MHz and powers a plasma process to which is supplied the generated output power, and from which reflected power is returned to the plasma supply... | 01/29/2009 |
| 20090015167 | DECORATIVE LIGHT DISPLAY A decorative light display includes a plurality of light source assemblies, each respective light source assembly of the plurality of light source assemblies having a known power requirement and at least one power supply operably coupled to each respective light source ... | 01/15/2009 |
| 20080252222 | SYSTEMS AND METHODS FOR DRIVING LIGHT-EMITTING DIODES At least some embodiments include a LED driver system. The system includes multiple branches of series-coupled LEDs, multiple current sources, and control logic. Each of the current sources is coupled to a separate branch of series-coupled LEDs. The control logic is cou... | 10/16/2008 |
| 20080024068 | LAMP SOCKET, BACKLIGHT ASSEMBLY HAVING THE SAME AND DISPLAY DEVICE HAVING THE SAME A lamp socket includes a socket housing and a plurality of power supply members. The socket housing has a plurality of connecting holes extended in a vertical direction. The power supply members are disposed in the connecting holes, respectively, and each of the power s... | 01/31/2008 |
| 20070290622 | BACKLIGHT, BACKLIGHT DRIVE APPARATUS, DISPLAY APPARATUS A proposed backlight is suitable for a large size liquid crystal display. A backlight 2 for illuminating a liquid crystal panel 3 from the rear, is formed by combining a plurality of backlight units 10, 10, . . . . By providing a transparent acrylic... | 12/20/2007 |
| 20060267506 | Image display device An image display device according to the present invention has: a cathode plate on which plural electron emission elements for emitting electrons are provided; an anode plate having phosphors and a metal back, the plate being disposed facing the cathode plate; spacers f... | 11/30/2006 |
| 20060192493 | Image display apparatus An image display apparatus of this invention includes a neighborhood data integration section 20 which integrates image data on respective colors corresponding to electron emitting devices proximate to an electron emitting device to be driven, and corresponding t... | 08/31/2006 |
| 20060192492 | Display panel In a display panel each of whose pixels has an electron emission element equipped with a pair of electrodes and an insulation area isolating these electrodes, the present invention specifies that the power supply line (scan line) connected with one of the pair of electr... | 08/31/2006 |
| 20060132057 | Laser circuit substrate This invention makes it possible to meet a requirement of high-quality image printing and high-speed driving of a semiconductor laser driver in a laser beam printer or the like while suppressing radiant noise. A laser circuit substrate includes a first wiring pattern an... | 06/22/2006 |
| 20050258769 | Electro-optical device, method of checking the same , and electronic apparatus To effectively check a plurality of unit circuits, each including an electro-optical element and a control circuit. Each unit circuit U includes an OLED element and a control circuit for controlling operation of the OLED element. A check signal for tentatively driving t... | 11/24/2005 |
