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| Number | Title | Issue Date |
| 8174213 | Universal input voltage light emitting device The configurations of a light emitting device are provided in the present invention. The proposed device includes a light source, an enclosure, and an integrated control circuitry coupled to the light source, enclosed in the enclosure and receiving a universal input... | 05/08/2012 |
| 8169163 | Control device and LED light emitting device using the control device The present invention relates to a control device of a light emitting device that includes a plurality of LED rows formed of a plurality of LEDs sequentially connected in series. The control device includes: a plurality of switches respectively connected to the plur... | 05/01/2012 |
| 8134309 | Lamp power tabulation An operating lamp includes a plurality of illumination elements arranged in discrete groups. The illumination elements include at least one white illumination element, adapted to emit a white light, and multiple colored illumination elements, each adapted to emit a ... | 03/13/2012 |
| 8120287 | 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 v... | 02/21/2012 |
| 8111021 | Lighting system and a method for controlling a lighting system A method of controlling a lighting system includes a learning procedure. The lighting system includes lighting modules and a controlling device. The lighting modules are arbitrarily arranged, and each lighting module can communicate with neighboring lighting modules... | 02/07/2012 |
| 8111022 | Lighting system comprising interconnectable lighting modules This invention relates to a lighting system. The lighting system includes a plurality of interconnectable polygonal lighting modules, wherein each lighting module has a plurality of connection members each including at least one electrical terminal. The connection m... | 02/07/2012 |
| 8054009 | Lamp driving device and liquid crystal display device having the same Embodiment relate to a lamp driving device and a liquid crystal display device having the same. The embodiments include a plurality of lamps having first and second electrodes, an inverter substrate supplying a high voltage alternating current to at least one of the... | 11/08/2011 |
| 8054010 | Display device illuminating device and display device provided with the illuminating device An illuminating device for a display device includes a tube lamp which can be driven in parallel by power supplied from a power supply device through a first power supply member and a second power supply member; the first power supply member; and the second power su... | 11/08/2011 |
| 8049441 | Ballast circuit A ballast circuit is provided. The ballast circuit comprises a first lamp set, a second lamp set, a detection circuit, and a latch circuit. The first lamp set comprises a first inductor and a plurality of containing areas. The second lamp set comprises a second indu... | 11/01/2011 |
| 8035320 | Illumination control network The present invention addresses the problem of providing illumination in a manner that is energy efficient and intelligent. In particular, the present invention uses distributed processing across a network of illuminators to control the illumination for a given envi... | 10/11/2011 |
| 8030858 | Inverter circuit, backlight device and liquid crystal display having the same An inverter circuit for a backlight device includes an inverter transformer which supplies a high AC voltage to a plurality of discharge tubes, a filter circuit connected to an output terminal of the inverter transformer, and an abnormal discharge detection circuit.... | 10/04/2011 |
| 8026677 | Method for dimming the light emitted from LED lights, in particular in the passenger cabin of an airliner In order to dim the brightness of the mixed-color light from an LED light (11) with LED arrays (12r, 12g, 12b) which emit different colors, in particular in the passenger cabin of an airliner, the current-flow time in... | 09/27/2011 |
| 8022643 | Lighting network control system and control method The present invention relates to a lighting network control system and the corresponding control method. The control system consists of controllers, routers and illuminators connected via the serial connecting signal wires. The controller stores the control images a... | 09/20/2011 |
| 8004216 | 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 characteristics of an incandescent lamp, which more closely resembles the response o... | 08/23/2011 |
| 7990081 | Pulse width modulation based LED dimmer control Methods and apparatus for implementing and operating pulse width modulation based LED dimmer controllers are described. A synchronization protocol is used to allow control information for the dimmer operations to be transferred to the PWM dimmer control clock domain... | 08/02/2011 |
| 7990080 | System and method for controlling multiple light sources A system for controlling multiple light sources is provided. The system includes a controller, a digital to analog converter (DAC), and at least one power amplifier. The controller is configured for receiving light control data for at least one light circuit, and fo... | 08/02/2011 |
| 7990079 | Method and apparatus for providing selectively colored light An apparatus for providing selectively-colored light is disclosed. The apparatus includes a circuit having a plurality of diodes each including an anode and a cathode, wherein the plurality of diodes include a first diode that emits a first light defined by a first ... | 08/02/2011 |
| 7982414 | Method and device for driving an array of light sources An illumination system (1) comprises a plurality of light source assemblies (10) and a common controller (21). Each light source assembly (10) comprises a plurality of individually controllable light sources (11, 12, 13) for genera... | 07/19/2011 |
| 7965050 | Selective control of lighting devices In an arrangement of lighting devices (10), a remote control device (30) and a central control device (20), a particular lighting device to be controlled by means of the remote control device may be selected by a user transmitting a selecting co... | 06/21/2011 |
| 7936136 | Inverter circuit, fluorescent tube lighting apparatus, backlight apparatus, and liquid crystal display A driving apparatus and a driving method are disclosed that are capable of uniformly lighting each entire fluorescent tube irrespective of the length or number of fluorescent tubes when simultaneously driving a plurality of fluorescent tubes in a fluorescent tube li... | 05/03/2011 |
| 7923943 | Secondary side post regulation for LED backlighting A secondary side post regulator arrangement for a plurality of LED strings. For each secondary winding, a first electronically controlled switch is provided arranged to control the power output, and a LED string is connected thereto. A second electronically controll... | 04/12/2011 |
| 7893632 | LED luminaire with optical feedback by image mapping on segmented light sensors The present invention relates to a luminaire comprising an array of LEDs emitting light of at least one color, and a control system for controlling the light output of the luminaire. The control system comprises photosensor array for detecting light output of the lu... | 02/22/2011 |
| 7884558 | Driver apparatus and method A driver apparatus is provided for controlling a light source array comprising at least first and second light sources, the light source array used for illuminating a scan region on a target object, wherein light reflected from said target object is captured by a de... | 02/08/2011 |
| 7880407 | Driver system and method with cyclic configuration for multiple cold-cathode fluorescent lamps and/or external-electrode fluorescent lamps System and method for driving a plurality of cold-cathode fluorescent lamps. The system includes a subsystem configured to receive at least a DC voltage and generate a first AC voltage in response to at least the DC voltage, a power converter configured to receive t... | 02/01/2011 |
| 7863835 | Flat panel display having backlight module A display includes a backlight module having elongated lamps. At least a pair of the lamps has a first lamp and a second lamp that are electrically connected in series. The first lamp and the second lamp are spaced apart with at least a third lamp positioned between... | 01/04/2011 |
| 7847493 | Detecting lamp currents and providing feedback for adjusting lamp driving voltages A lamp current of a lamp with at least one high-voltage end is detected using a current detector connected to the high-voltage end of the lamp. A feedback signal according to the lamp current is generated, and a drive voltage to the lamp is adjusted according to the... | 12/07/2010 |
| 7825613 | Backlight assembly and display device having the same A backlight assembly includes a plurality of unit blocks to emit light. Each unit block includes a light-emitting part and a driving part. The light-emitting part includes at least two red light-emitting diodes (LEDs), two green LEDs, and two blue LEDs. The driving ... | 11/02/2010 |
| 7821212 | Networkable controllers for LED lighting LED controller devices (e.g., color changing modules) that may be connected to an LED fixture (e.g., an LED light strip or series of LED light strips) having multicolored LED lights or LED's which otherwise vary in intensity, color, brightness, etc. In some embodime... | 10/26/2010 |
| 7800319 | Lighting control system having a security system input A lighting control system is operable to be coupled to a security system and is pre-programmed such that the control devices of the lighting control system behave out-of-box in a predetermined manner in response to the security system. The lighting control system co... | 09/21/2010 |
| 7786683 | Circuit arrangement and method for operating at least one electric lamp and at least one LED The present invention relates to a circuit arrangement for operating at least one electric lamp and at least one LED including: an inverter having a bridge circuit having at least one first bridge transistor and one second bridge transistor arranged in series with o... | 08/31/2010 |
| 7777431 | Inverter circuit, fluorescent bulb operating device, backlight device, and liquid crystal display device A driving apparatus and a driving method are disclosed that are capable of uniformly lighting each entire fluorescent tube irrespective of the length or number of fluorescent tubes when simultaneously driving a plurality of fluorescent tubes in a fluorescent tube li... | 08/17/2010 |
| 7759882 | Color control for scanning backlight A backlighting system comprising: a color manager; a plurality of luminaires, each of the luminaires comprising a LED string and arranged to illuminate a particular portion of a display associated therewith; a color sensor arrange to receive light from one of the lu... | 07/20/2010 |
| 7746008 | Group control type fluorescent, LED and/or halide lighting control system A group control type fluorescent, LED and/or halide lighting control system comprises at least a control interface, which generates a main control signal based on user's operation. This control interface is connected to one or more controllable driver to drive corre... | 06/29/2010 |
| 7714521 | Methods and system for controlling an illuminating apparatus This invention provides an improved digital luminance controlling system, which can control the luminous intensity of an illuminating apparatus by choosing the number of the ignited luminaries. It optimizes the number of the ignited luminaries according to the diffe... | 05/11/2010 |
| 7710050 | Series connected power supply for semiconductor-based vehicle lighting systems A novel and advantageous power supply is disclosed for lighting systems employing semiconductor light sources where the semiconductor light sources are connected in series. The power supply includes a constant current source to supply current to the semiconductor li... | 05/04/2010 |
| 7696704 | Discharge lamp driving device and electronic device using the same A driving device for driving plural discharge lamps. A controller circuit converts a received signal to a first high voltage signal and a second high voltage signal. A first balancing circuit is mounted on a first connecting board and connected to one ends of the di... | 04/13/2010 |
| 7688007 | Retro-fit method for improving longevity of arc lamps An apparatus, system, and method for increasing life of a high intensity lighting fixture light source. In one aspect, the method involves installing a new HID lamp in the fixture in combination with retrofitting a circuit that operates the lamp at a reduced wattage... | 03/30/2010 |
| 7671544 | System and architecture for controlling lighting through a low-voltage bus A system and architecture for managing lighting through a seamless low-voltage bus network is disclosed. The system comprises a plurality of control units that serve as nodes for integrating devices, such as light fixtures, control switches and sensors into the bus.... | 03/02/2010 |
| 7656103 | Impedance matching circuit for current regulation of solid state lighting Exemplary embodiments provide an impedance matching circuit for providing variable power from a dimmer switch having a triac to a switching power supply couplable to solid-state lighting. An exemplary impedance matching circuit includes a first resistor coupled to r... | 02/02/2010 |
| 7649327 | System and method for selectively dimming an LED Embodiments of the present disclosure include an LED ballast circuit for dimming one or more LEDs using a phase controlled dimmer switch. The LED ballast circuit has a power conditioning unit which includes a substantially fixed duty cycle clock for outputting a clo... | 01/19/2010 |
