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| Number | Title | Issue Date |
| 8085223 | Image display apparatus and its driving method A driving method of an image display apparatus includes the steps of: applying a non-selection potential to a first scanning wiring; and applying a selection potential to the first scanning wiring. A voltage applied to an electron-emitting device connected to the fi... | 12/27/2011 |
| 7884780 | Electron emission display device and video data revision method An electron emission display device and a method of correcting an image signal to enhance an image quality by reducing luminance unevenness among pixels. The display device includes: a display region having an anode electrode configured to collide with electrons emi... | 02/08/2011 |
| 7859487 | Image display device and method of controlling an image display device An image display device and a method of controlling an image display device are provided. The image display device may include a signal processor having a plurality of input/output ports to control a degaussing operation and a data download, a degaussing circuit con... | 12/28/2010 |
| 7724215 | Method for displaying image using display having a photoluminescence quenching device A display which does not require color filters, has low optical losses, and is not heavy and large, and a method for displaying an image using the display includes a substrate on one side of which sub-pixels are arranged. Each sub-pixel includes two opposite electro... | 05/25/2010 |
| 7705808 | Driving apparatus and driving method for an electron emission display A driving apparatus, and a driving method for an electron emission display, includes a controller for comparing external video data input signals, switching a polarity control signal in a predetermined period on the basis of the comparison and controlling a video da... | 04/27/2010 |
| 7542016 | Electron emission device (EED) with low background-brightness An Electron Emission Device (EED) that can reduce background-brightness resulting from collisions between anodes and only a few electrons when data is not supplied to an electron emission display panel includes: an electron emission display panel including scan elec... | 06/02/2009 |
| 7522131 | Electron emission display (EED) device with variable expression range of gray level An Electron Emission Display (EED) device, adapted to of adjust a pulse width of data signal according to an active pulse width of a horizontal synchronization signal, includes: a scan driver, a data driver; an EED panel displaying display data; a reference signal m... | 04/21/2009 |
| RE40490 | Method and apparatus for programmable field emission display A method and apparatus for programmable field emission display comprising an array of cathodoluminescent elements. Each cathodoluminescent element in the array is responsive to separate select signals to cause light to be emitted from said display at a location in t... | 09/09/2008 |
| 7405711 | Fixed-pixel display device and cold cathode field electron emission display device A fixed pixel display device has a construction such that the leading-edge and trailing-edge waveforms of a voltage to be applied to a data electrode can be made steep. The fixed pixel display device is provided with scanning electrodes, data electrodes connected to... | 07/29/2008 |
| 7403175 | Methods and systems for compensating row-to-row brightness variations of a field emission display Methods for compensating for brightness variations in a field emission device. In one embodiment, a method and system are described for measuring the relative brightness of rows of a field emission display (FED) device, storing information representing the measured ... | 07/22/2008 |
| 7403178 | Sources driver circuit for active matrix electroluminescent display and driving method thereof Provided is a source driver circuit for an active matrix electroluminescent (EL) display including a digital-to-analog converter/ramp circuit for converting a digital signal into an analog signal, and generating a ramp signal in this process, simultaneously, whereby... | 07/22/2008 |
| 7388561 | Characteristics adjustment method of image forming apparatus, manufacturing method of image forming apparatus and characteristics adjustment apparatus of image forming apparatus There is provided a characteristic adjustment method for an image forming apparatus that is provided with a multi-electron source in which a plurality of electron-emitting devices are electrically connected by wiring and arranged on a substrate and a fluorescent mem... | 06/17/2008 |
| 7379079 | Electron emission device and driving method thereof An electro emission device (EED) operated by a driver for modulating the pulse width of a driving pulse according to a pulse width modulation (PWM) clock signal to control the brightness of images. The EED calculates a brightness level of image data indicating the b... | 05/27/2008 |
| 7362249 | Current range control circuit, data driver, and organic light emitting display Embodiments of a current range control circuit, data driver and organic light emitting display are disclosed, wherein the current range control circuit is configured to adjust a range of an input current in the data driver according to a type of display device. One ... | 04/22/2008 |
| 7358934 | Field emission display apparatus with improved white balance In an FED (Field Emission Display), lowering of a color temperature is suppressed which is caused by that light emission luminance of respective color phosphors is different from each other so as to achieve a better white balance. A display apparatus is equipped wit... | 04/15/2008 |
| 7358941 | Image display apparatus using current-controlled light emitting element A pixel circuit includes a driver element that is supplied with a potential from a data line. The driver element controls a value of current passing through an electric light emitting element. Upon obtaining a threshold voltage, a conductive member connected to the ... | 04/15/2008 |
| 7358933 | Electron emission display and driving method thereof An electron emission display includes a display panel having a first substrate on which at least one first electrode is formed, a second substrate on which a second electrode and a third electrode on which an electron emission source is formed are formed. A fourth e... | 04/15/2008 |
| 7348971 | Active matrix panel In an active matrix panel, a pixel matrix which includes a plurality of gate lines, a plurality of source lines, and thin film transistors is formed on a first transparent substrate. A second transparent substrate is formed opposite to the first transparent substrat... | 03/25/2008 |
| 7348531 | Photoelectric conversion device and image pickup device using electron emission devices Disclosed is an image pickup device capable of greatly reducing delay in drive signals supplied to field emission devices, and cross-talk and the like that originate in these drive signals. The image pickup device comprises a photoelectric conversion film for receiv... | 03/25/2008 |
| 7348955 | Method of controlling display method, display-use signal producing device, display device, and display system for implementing the method The sending party of a display-use image signal adds to a signal representing a display image a control parameter signal composed of a control tag signal specifying a controlled object and control start/end identification signal Ts or Te between a specific parameter... | 03/25/2008 |
| 7342579 | Thin film transistor array plate, liquid crystal display panel and method of preventing electrostatic discharge A thin film transistor array plate, a liquid crystal display panel and a method of preventing electrostatic discharge thereof are provided. The thin film transistor array comprises a substrate, pixel structures, switching devices, lead lines and electrostatic discha... | 03/11/2008 |
| 7336245 | Display for using pulse width modulation to represent brightness and gray scales An electron emission device (EED) includes a display panel, first and second electrode drivers, and a controller. The display panel includes first electrodes in the column direction, second electrodes in the row direction, and an electron emission source. The first ... | 02/26/2008 |
| 7332736 | Article comprising gated field emission structures with centralized nanowires and method for making the same This invention provides novel methods of fabricating novel gated field emission structures that include aligned nanowire electron emitters (individually or in small groups) localized in central regions within gate apertures. It also provides novel devices using nano... | 02/19/2008 |
| 7326097 | Method and apparatus for manufacturing image displaying apparatus A method and an apparatus of manufacturing an image displaying apparatus including an electron source substrate and a phosphor substrate. The electron source substrate is provided with an electron emitting element formed by covering with a container and by applying ... | 02/05/2008 |
| 7327506 | Correction circuit A correction circuit for correcting pixel signals, comprising: a first memory for storing signals obtained by executing decimation process; a calculating circuit for calculating a correction value based on an output from the first memory; a seco... | 02/05/2008 |
| 7321350 | Image display An image display having a display panel including pixels in a matrix pattern, anodes formed corresponding to the pixels, a cathode in common with the anodes, EL elements provided between the anode and the cathode and including a light emitting layer, and TFTs for co... | 01/22/2008 |
| 7317403 | LED light source for backlighting with integrated electronics An LED backlight structure for setting voltages and currents for LEDs. Red LEDs are connected in series between a first voltage regulator and a first controllable current source, green LEDs are connected in series between a second voltage regulator and a second cont... | 01/08/2008 |
| 7314322 | Printing system that corrects image data based on environmental history data A printing system according to the present invention includes a media terminal box which may be installed on a street. In the box, there are disposed a measuring device that measures the temperature or humidity in the box, a device such as a CPU, and a storage devic... | 01/01/2008 |
| 7312770 | Substrate having a light emitter and image display device An image display device which prevents damage to an electron-emitting device from discharge between a faceplate and a rear plate is provided. A conductive plate 12 including a transparent conductive film is formed over a surface of a substrate 11, a di... | 12/25/2007 |
| 7312561 | Electron-emitting device, electron source, and method for manufacturing image displaying apparatus An electron-emitting device is equipped with a pair of first electroconductive members arranged on a substrate with an interval between them, wherein the interval becomes narrower at an upper position distant from a surface of the substrate than at a position on the... | 12/25/2007 |
| 7304640 | Method of measuring luminance of image display apparatus, method of manufacturing the same, method and apparatus for adjusting characteristics of the same A method of measuring luminance of an image display apparatus, a method of manufacturing the same, and a method and an apparatus for adjusting characteristics of the same, in which accuracy of measurement is improved while reducing time for measuring luminance of a ... | 12/04/2007 |
| 7301270 | Field emission display device having plurality of emitters with a common gate electrode An FED device includes an anode electrode formed on a substrate; a phosphor layer formed on the anode electrode; and field emission devices for emitting at least two electron beams onto the phosphor layer. An area where a fluorescent material is excited can be enlar... | 11/27/2007 |
| 7294973 | Discharge tube lighting apparatus, light source apparatus, and display apparatus A discharge tube lighting apparatus is used to drive a plurality of discharge tubes. The apparatus includes a balance coil having a winding input end and a plurality of winding output ends to which the discharge tubes are connected individually; a power section for ... | 11/13/2007 |
| 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 |
| 7282871 | Backlight inverter for inductively detecting current A backlight inverter using electromagnetic induction and full-wave rectification at a second side of a main transformer includes a drive unit for generating a first voltage and a main transformer having first and second coils. The main transformer converts the first... | 10/16/2007 |
| 7282852 | Electron-emitting device and image forming apparatus Sandwiched and coupled between the rear and face plates and constituting a vacuum container together with the rear and face plates; a high voltage introducing member for introducing a high voltage from a voltage source; and an independent wire which is electrically ... | 10/16/2007 |
| 7280089 | Apparatus and method for driving field emission display device An apparatus and method for driving a field emission display (FED) device are disclosed. By applying a voltage to a specific electrode (data electrode or mesh electrode) of the FED device during a blanking time of a display frame of an FED, electric charges unnecess... | 10/09/2007 |
| 7280125 | Image display apparatus In an image display apparatus, image data on which gradation conversion for compensating phosphor saturation has been carried out by a gradation convertor (200) undergoes voltage drop compensation and then amplitude regulation using a gain (Gd) before being f... | 10/09/2007 |
| 7280088 | Method and device for controlling a matrix electron source, with regulation by the emitted charge Process and device for control of an electron source with matrix structure, regulated by the emitted charge. The invention is applicable to an electron source comprising addressing rows and columns which intersect to define emission areas, the electrons being... | 10/09/2007 |
| 7276842 | Electron-emitting device, electron source and image-forming apparatus, and method for manufacturing electron emitting device To provide an electron-emitting device, an electron source, an image-forming apparatus, and a method for manufacturing the electron-emitting device whereby it is possible to reduce a device capacity and a driving voltage, to improve the efficiency of emitting electr... | 10/02/2007 |
