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| Number | Title | Issue Date |
| 8115400 | 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 termina... | 02/14/2012 |
| 7956544 | Light source module, backlight assembly having the same, display device having the same and method for reducing number of wires used in interconnect cable of the same A light source module includes a driving substrate, a plurality of light source blocks and a currents control element. The light source blocks are disposed on the driving substrate, and each of the light source blocks includes at least one light source. The currents... | 06/07/2011 |
| 7314304 | Backlight unit A backlight unit is disclosed, to remove an unnecessary portion from a PCB and to decrease the number of connectors and wires, which includes a plurality of light-emitting lamps arranged in one direction inside a lamp housing; first and second driving unit PCBs posi... | 01/01/2008 |
| 7307384 | Circuit having a second ac/dc converter A circuit includes a converter for converting an a.c. voltage into a d.c. voltage. The converter has a diode half-bridge, a switch half-bridge, and two d.c. rails. Further, the converter has a second converter for converting the a.c. voltage into a second d.c. volta... | 12/11/2007 |
| 7298094 | Image display apparatus To provide an image display apparatus, including first to N-th electron-emitting devices; a spacer; a driving circuit for correcting each of the first to N-th driving signals for driving the first to N-th electron-emitting devices and outputting it; first to N-th li... | 11/20/2007 |
| 7288903 | Driving device of light source for display device A driving device of a light source for a display device is provided. The light source includes a plurality of lamps connected in parallel to each other and each lamp has a first terminal and a second terminal. The driving device also includes a lamp state sensing un... | 10/30/2007 |
| 7231060 | Systems and methods of generating control signals Separating a source in a stereo signal having a left channel and a right channel includes transforming the signal into a short-time transform domain; computing a short-time similarity measure between the left channel and the right channel; classifying portions of th... | 06/12/2007 |
| 7164159 | LED package An LED package includes a substrate, internal electrodes provided in an even (2n) number and formed on an upper surface of the substrate, external electrodes provided in the even (2n) number, formed on at least a part of surfaces of the substrate other... | 01/16/2007 |
| 7095180 | Backlighting system for display screen A circuit board (14) on which the electronic components (2,3) providing power to a series of light sources (6) is positioned as near as possible to light sources in order to minimise parasitic energy losses which would be introduced by lengths o... | 08/22/2006 |
| 7066616 | Modular temporary lighting assembly The present invention pertains to a modular temporary lighting assembly and multi-outlet stringer that is particularly suited for building construction settings. The modular lighting assembly is formed by connecting a plurality of like-shaped stringers and a plurali... | 06/27/2006 |
| 7046219 | Image display apparatus having a circuit for correcting a driving signal that drives electron emitting devices 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 correspondi... | 05/16/2006 |
| 7038399 | Methods and apparatus for providing power to lighting devices Methods and apparatus for providing power to devices via an A.C. power source, and for facilitating the use of LED-based light sources on A.C. power circuits that provide signals other than standard line voltages. In one example, LED-based light sources may be coupl... | 05/02/2006 |
| 7027639 | High speed optical image acquisition system with extended dynamic range A high-speed image acquisition system includes a source of light; a sensor for acquiring a plurality of images of the target; a system for determining relative movement between the source and the target; and an image processor for processing the acquired images to g... | 04/11/2006 |
| 7018070 | Fluorescent lampholder with disconnectable plug on back A flourescent lamp assembly including a reflector having a cutout, a flourescent lamp and a lampholder. The lampholder includes a base end positioned within the cutout, a socket receiving the flourescent lamp and a first plug-in connector of a first gender for recei... | 03/28/2006 |
| 6979955 | Deriving power for a wireless network component from the power source of a fluorescent light Systems and methods are provided for deriving power for a wireless network component from the power source of a fluorescent light. Power couplings are electrically connected to the pins of a fluorescent lamp and to a power converter of the wireless network component... | 12/27/2005 |
| 6753653 | Plasma display screen The present invention relates to an arrangement including a plasma display screen (3). In such an arrangement having cells for the generation of pixels between a transparent front plate (10) facing the viewer and a rear wall (11) and having elec... | 06/22/2004 |
| 6700332 | Electrodeless discharge lamp system An electrodeless discharge lamp system includes an excitation coil placed in proximity of the electrodeless discharge lamp, a resonance circuit for supplying appropriate power to the excitation coil, and a high frequency power source driver and wherein, t... | 03/02/2004 |
| 6628083 | Central battery emergency lighting system An integral emergency lighting system which utilizes the same branch circuit wiring as main alternating current (AC) power to selectively supply emergency power to light fixtures during an emergency condition such as during an interruption or unavailabili... | 09/30/2003 |
| 6232724 | Light emitting diode array An LED array composed of a plurality of LEDs is disposed on either side of a signal interconnection board, while metal plates are disposed on the other side of the signal interconnection board as positive and negative power source lines for driving the LE... | 05/15/2001 |
| 6222326 | Ballast circuit with independent lamp control A ballast circuit independently energizes first and second lamps. In one embodiment, an inverter provides a drive signal for energizing the first and second lamps. A first signal detection circuit detects a first AC input signal and a second signal detect... | 04/24/2001 |
| 6137233 | Ballast circuit with independent lamp control A ballast circuit includes a rectifier for coupling to independent first and second AC input signals, a first inverter for energizing a first lamp and a second inverter for energizing a second lamp. A boost converter can be coupled between the rectifier a... | 10/24/2000 |
| 5317238 | Electromagnetic field sensitive animated ornamental display An electronic display for amusement or ornamentation includes a CMOS counter chip connected to a low voltage DC source, with each counter output connected directly to one of a plurality of LEDs. An antenna wire, which can be a short length of wire or a wi... | 05/31/1994 |
| 5315215 | High-voltage switching circuit A pair of transistors (110 and 112) configured with their channels connected in series. The gate of the "upper" transistor (110) is coupled to a relatively low-voltage, DC power supply voltage by a voltage-clamping and current-steering diode (144); to a r... | 05/24/1994 |
| 5309067 | Cascade lighting system An electronic switching circuit with driver which may be used to turn on an incandescent light after a predetermined delay and which circuit output may be utilized to trigger either itself or a like circuit connected in series. The electronic circuitry ma... | 05/03/1994 |
| 5300863 | Auxiliary lighting circuit for a gaseous discharge lamp A non-arcing electrical switch is disclosed wherein a solid-state switching element is operated in response to current flow within an external circuit. The switch is particularly suitable for use within an auxiliary lighting circuit of a gaseous discharge... | 04/05/1994 |
| 5276385 | High-pressure discharge lamp and lighting method The invention provides a high-pressure discharge lamp incorporating an outer envelope storing a pair of electric terminals a plurality of arc tubes which are respectively stored in this outer envelope and electrically connected in parallel, and a pluralit... | 01/04/1994 |
| 5077770 | High voltage capacitance discharge system for x-ray tube control circuits An exposure control (A) selectively applies electrical power across a transformer (10) of a high voltage power supply (B). The high voltage power supply boosts the voltage such that an output voltage on the order of 150 kV is provided on output lines (20+... | 12/31/1991 |
| 5003227 | Power distribution for lighting systems A number of power-line-operated high-frequency multi-output central power supplies are mounted at spaced-apart points on the permanent ceiling above a suspended ceiling. From each individual output of each such power supply, high frequency power is provid... | 03/26/1991 |
| 4973887 | Four lamp fluorescent wiring arrangement A rapid start fluorescent fixture with two ballast means each having three pairs of associated lamp wires in which one pair of said associated wires of each ballast means is used to connect a heater winding to electrodes of a pair of lamps with which the ... | 11/27/1990 |
| 4973886 | Four lamp fluorescent ballast means A four way rapid start fluorescent fixture with two ballast means each of which ballast means has three pairs of lamp wires emanating from one of its ends.... | 11/27/1990 |
| 4894645 | Incandescent matrix display with high frequency lamp driving The present invention relates to an electronic sign with a number of light bulbs provided in rows and columns (so called matrix), whereby said bulbs (L) are turned on row by row or column by column (so called multiplex operation). For increasing the life ... | 01/16/1990 |
| 4749908 | Emergency power supply An emergency power supply including an input for connection to a power line, an output for connecting the input to electrical equipment so as to supply power thereto from the power line, a supplemental power supply connected to the output and adapted to s... | 06/07/1988 |
| 4663566 | Fluorescent tube ignitor The preferred embodiment provides such a fluorescent tube ignitor having a plurality of auxiliary electrodes provided in the periphery of the tube wall of each fluorescent tube, while the potentials of these auxiliary electrodes are set at a specific leve... | 05/05/1987 |
| 4649322 | Energizing arrangement for controlling the luminous intensity of at least one discharge lamp and use of such arrangement The arrangement of the invention enables control of a light emitting element comprising at least one discharge tube. Firing of the tube is effected by a generator which provides voltage pulses at predetermined periodic intervals (Tr). The lumin... | 03/10/1987 |
| 4626747 | Class-3 lighting system A lighting system for a suspended ceiling comprises a plurality of power conditioning units permanently wired-in with the 120 Volt/60 Hz power line and mounted in various suitable locations on the permanent ceiling above the suspended ceiling. Each such p... | 12/02/1986 |
| 4398130 | Arc lamp lighting unit with low and high light levels The present invention relates to a lighting unit having low and high light levels and employing an efficient arc lamp as the source of light during the high level setting. The unit employs a filamentary light source for the production of light during low ... | 08/09/1983 |
| 4389598 | Disco light assembly A disco light assembly is provided which includes a multiplicity of individual electric lamps formed in a circle, or in any other appropriate configuration, and which are illuminated in any desired sequence in response to a disco beat. The individual lamp... | 06/21/1983 |
| 4283659 | Display system utilizing incandescent lamp multiplexing A display system utilizing incandescent lamps arranged at the intersection points of a matrix array of row and column conductors includes a plurality of load resistors connecting the row conductors to a first voltage source and a plurality of load resisto... | 08/11/1981 |
| 4264845 | Ornamental light display and circuit therefor The method and apparatus for producing ornamental lighting displays utilizing electronic circuitry in the nature of a commutator which responds to binary signals produced from a plurality of orderly and/or random sources of energy and functions to illumin... | 04/28/1981 |
| 4241281 | Light emitting diode display device A light emitting diode display device is disclosed having a semiconductor substrate of a predetermined conductivity type, semiconductor films provided on the substrate and having a conductivity type opposite to that of the substrate, light emitting diode ... | 12/23/1980 |
