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| Number | Title | Issue Date |
| 7327337 | Color tunable illumination device A decorative illumination device for use in a lighting system including a command controller, a plurality of illumination devices and a flexible cord interconnecting each. The command controller includes a microcontroller that provides a data signal and a clock sign... | 02/05/2008 |
| 7324076 | Methods and apparatus for setting the color point of an LED light source In one embodiment, a user-selected color point is received. RGB tristimulus values are then derived for the color point. It is also determined whether the user-selected color point is outside a color selection range of the LED light source and, if so, an error flag ... | 01/29/2008 |
| 7321199 | Display apparatus and control method thereof A display apparatus and method in which a current ripple is decreased to improve characteristics of a display apparatus are provided. A display apparatus comprises a light source, a plurality of driving power units providing driving electric powers to the light sour... | 01/22/2008 |
| 7319471 | Image display apparatus and manufacturing method thereof The present invention relates to an image display device and a method of manufacturing the image display device that make it possible to form pixels with a smaller number of sub-pixels as compared with a case where one pixel is formed so as to separately include one... | 01/15/2008 |
| 7319447 | Pixel driving circuit and method for use in active matrix electron luminescent display A pixel driving circuit for use in an active matrix electron luminescent display includes a transistor, a capacitor and an organic light-emitting diode. The capacitor has a first and a second ends coupled to the gate electrode of the transistor and a ground voltage,... | 01/15/2008 |
| 7316486 | LED lighting arrangement A lighting arrangement (1) which is advantageous in particular for the interior lighting of a vehicle or aircraft. The lighting arrangement (1) includes a plurality of light emitting diodes (2a-2e, 3a-3 | 01/08/2008 |
| 7315293 | Organic light-emitting diode display device An organic light-emitting diode display (OELD) device is presented that reduces the number of outputs of a data driver. The OELD device includes data and scan lines which cross each other. Pixel cells that contain organic electro-luminescence diodes are arranged in ... | 01/01/2008 |
| 7312776 | Apparatus set in a liquid crystal display for executing gamma correction and method thereof An apparatus set in a liquid crystal display (LCD) for executing gamma correction is disclosed. The gamma voltage signal is for inputting to a pixel. The digital pixel signal is an M-bit binary signal. The gamma correction executing apparatus includes a pixel signal... | 12/25/2007 |
| 7312430 | System, display apparatus and method for providing controlled illumination using internal reflection A system, display apparatus and method for providing illumination uses internal reflection to monitor and control the illumination, which is produced by light from a number of light source devices, such as light emitting diodes. Some of the light generated by the li... | 12/25/2007 |
| 7311420 | Opto-electronic package, and methods and systems for making and using same In one embodiment, an opto-electronic package includes a substrate, a cavity, mounting pads and transverse walls interspersed along the cavity, pads separated by transverse walls, and transverse walls being lower than cavity-defining walls; and LED dice mounted to t... | 12/25/2007 |
| 7309134 | System and method for displaying projector system identification information A system and method of displaying identification information for a projector system are disclosed. The method includes projecting a display onto a viewing surface with the projector system, and projecting an identification image onto the viewing surface over at leas... | 12/18/2007 |
| 7310076 | Display apparatus An display apparatus arranged in a matrix having plural luminance modulation elements for modulating or do not modulating luminance depending upon application of a voltage of positive or reverse polarity, having plural parallel scanning electrodes and plural ... | 12/18/2007 |
| 7300192 | Methods and apparatus for illuminating environments Provided herein are methods and systems for preparing signs and displays. The methods and systems include using a light engine for generating light of a plurality of colors to illuminate the body of a flexible conduit that receives light from the light engine. The c... | 11/27/2007 |
| 7295175 | Device and method for driving for light-emitting display panel There is provided a device for driving a light-emitting display panel in which output limiter element is added to a DC-DC converter which associates a boosting operation. In the drive device, even though a forward voltage of a monitor element increases to operate th... | 11/13/2007 |
| 7295180 | Backlight driving device, backlight driving method, and liquid crystal display device A backlight driving device for controlling driving of a backlight device for display, the backlight device generating predetermined white light by mixing light from a plurality of light emitting diodes of three or more colors, the backlight driving device including:... | 11/13/2007 |
| 7295176 | LED driver with constant current offset unit A light emitting diode (LED) driver to drive an LED, including a current adjusting unit to adjust magnitude of a current flowing on the LED by supplying power from a power supply device to the LED and cutting off the power. A modulation control unit is provided to m... | 11/13/2007 |
| 7292210 | Circuit for driving flat panel display The present invention provides a circuit for driving a flat panel display, including a storage capacitor, a transmission gate and a current-limiting transistor. A first terminal of the storage capacitor is coupled to a system voltage, and a second terminal of the st... | 11/06/2007 |
| 7292209 | System and method of driving an array of optical elements A system and/or method for controlling a display array without the use of row and column drivers. The display elements within the system are configured to maintain an active address signal in response to a received signal containing serially encoded display settings... | 11/06/2007 |
| 7285923 | Display apparatus and driving pulse control method thereof An apparatus and method is disclosed for controlling a display driving pulse to drive an LED display. In one embodiment, an RGB signal is received and a period during which all the LEDs are switched off is detected. Also, the period during which an image is not bein... | 10/23/2007 |
| 7286146 | Method and system for LED temporal dithering to achieve multi-bit color resolution A method and system for temporal dithering of an LED indicator are disclosed, one embodiment of the method comprising: initializing the LED indicator to display a first color of a color palette; during each cycle of a preset cycling rate, cycling the LED indicator d... | 10/23/2007 |
| 7283108 | Electro-optical device, method of driving electro-optical device, and electronic apparatus The invention provides a device that accomplishes an improvement of overall display quality by employing drive modes depending upon display targets in an electro-optical device employing electro-optical elements for emitting light with a brightness corresponding to ... | 10/16/2007 |
| 7283142 | Color display having horizontal sub-pixel arrangements and layouts A color display having horizontal sub-pixel arrangements and layouts is disclosed. The display can include a plurality of a sub-pixel group. The sub-pixel group can have a plurality of sub-pixels wherein each sub-pixel has a height along a vertical axis and a width ... | 10/16/2007 |
| 7282887 | Laser diode triggered soft start controller for a polyphase electric motor A solid state soft start controller system has a power supply, an electric motor, a thyristor electrically interconnected between the power supply and the electric motor so as to selectively allow current to pass from the power supply to the phases of the electric m... | 10/16/2007 |
| 7283107 | Driving circuit for reducing noise of a ceramic capacitor A driving circuit for reducing noise of a ceramic capacitor, that is capable of driving a plasma display unit, is provided. The circuit includes a circuit board, a first switch, a second switch, a first capacitor set, a second capacitor set, and a control switch. Th... | 10/16/2007 |
| 7281816 | Surface lighting device A surface lighting device including, a surface light source in which light-emitting element groups having three light-emitting elements, which correspond to three primary colors of light, arranged to be continguous with vertexes of a triangle are arranged in a matri... | 10/16/2007 |
| 7276856 | Light emitting device and drive method thereof The reliability of an EL element is enhanced while the increase of the electric power consumption is suppressed. It becomes possible that in a SES drive, the reverse bias is applied to the EL element driven at a constant electric current. Moreover, the application o... | 10/02/2007 |
| 7274151 | Drive device and drive method of light emitting elements The anode sides of respective EL elements E1-E4 constituting icons are connected to a first potential V1, the cathode sides of the EL elements E1-E4 are connected to current absorption sides of constant current sources I1-I | 09/25/2007 |
| 7270425 | Projection type video display An optimal processing portion (21) inputs a video signal (RGB signals) and analyzes 1-frame video in the video signal. For example, if the intensity of red color is 0 percent in all dots in 1-frame video, the optimal processing portion (21) applies to ... | 09/18/2007 |
| 7264381 | Light emitting diode assembly using alternating current as the power source An LED assembly includes a first LED unit and a second LED unit, the latter is coupled electrically to the first LED unit in such a manner that each of the first and second LED units defines a current-flow direction in reverse order so that once Alternating Current ... | 09/04/2007 |
| 7265681 | Light emitted diode driving apparatus A driving apparatus includes a DC-to-DC converter, a first LED series, a second LED series, a first constant-current circuit, a second constant-current circuit, and a feedback circuit. The DC-to-DC converter respectively outputs a direct-current voltage to one termi... | 09/04/2007 |
| 7259734 | Multi-scanning control process and LED displaying device An electric displaying device for utilizing a multi-scanning control process comprises: a plurality of the pixel units having basic four LEDs (green, red, blue and 2nd green); pixel drivers to control the pixel units; driver controllers to control the pixel drivers;... | 08/21/2007 |
| 7259736 | Electro-optical device, active-matrix substrate, and electronic apparatus To provide an electro-optical device and an electronic apparatus which reduce directional viewing variation that occurs between the column and row directions and to provide an active matrix substrate suitable for the electro-optical device. In each pixel circuit arr... | 08/21/2007 |
| 7256552 | LED control circuit An LED control circuit for controlling a plurality of LEDs with different emission colors comprises a counter which increments or decrements a count value at a predetermined clock in response to a count start signal externally supplied, a signal conversion circuit w... | 08/14/2007 |
| 7256554 | LED power control methods and apparatus Methods and apparatus for providing and controlling power to loads including one or more LEDs. In one example, a controlled predetermined power is provided to a load without requiring any feedback information from the load (i.e., without monitoring a load voltage an... | 08/14/2007 |
| 7256758 | Apparatus and method of AC driving OLED An apparatus and method for providing switched power to an AMOLED is disclosed. During certain time intervals, voltage and/or polarity provided to active devices such as thin film transistors (TFT) driving the AMOLEDs may be changed to reverse polarity or differ in ... | 08/14/2007 |
| 7256757 | Organic EL display panel An organic EL display panel includes a substrate, pixel electrodes, a common electrode, signal lines, power supply lines, thin-film transistors, scan lines, organic EL elements and storage capacitors. To obtain a full color image by light emissions of the organic EL... | 08/14/2007 |
| 7248402 | Surgical microscopy system The present invention relates to a surgical microscopy system, comprising a surgical microscope, a stand comprising a base and a plurality of pivotally connected arms, the surgical microscope being mounted to one of the arms, wherein the pivotally connected arms are... | 07/24/2007 |
| 7248245 | Liquid crystal display device and manufacturing method thereof, and drive control method of lighting unit A liquid crystal display device includes a liquid crystal display panel having a first substrate, a second substrate, a liquid crystal disposed between the first substrate and the second substrate, plural pixel electrodes arranged in a matrix on a second substrate, ... | 07/24/2007 |
| 7248244 | Color display device emitting each color light for different time period A display device includes a light source that emits a plurality of color lights, and a liquid crystal panel that controls transmission or reflection of the color light from the light source. One field is divided into a plurality of subfields: fr, fg and fb. A specif... | 07/24/2007 |
| 7248239 | Systems and methods for color changing device and enclosure A color-changing device which includes an enclosure at least a portion of which is material which is desired to change color. There is also included an illumination device, such as an LED or collection of LEDs which can illuminate the material. There can also be inc... | 07/24/2007 |
