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| Number | Title | Issue Date |
| 8120550 | Edge emission electron source and TFT pixel selection The present invention relates to a display device that employs edge emitters as a source for pixel electrons. The edge emitters allow the viewing glass plate to be made very small or eliminated, thereby substantially reducing the size of or eliminating the spacers t... | 02/21/2012 |
| 8085224 | 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 correspondi... | 12/27/2011 |
| 8068070 | Image display apparatus An image display apparatus includes a display panel having a plurality of electron emission portions that emit electrons, a plurality of light emitting regions positioned corresponding to the plurality of electron emission portions to emit light in response to irrad... | 11/29/2011 |
| 8054249 | Active-matrix field emission pixel and active-matrix field emission display Provided is a field emission display (FED) capable of driving on the basis of current and preventing leakage current caused by thin film transistors (TFTs). The FED includes: a plurality of unit pixels including an emission element in which cathode luminescence of a... | 11/08/2011 |
| 8049683 | Driving circuit for a display panel and a display having same There is provided a driving circuit capable of driving current flowing in cathode electrodes with high accuracy and displaying without brightness variation. For driving a cathode electrode in a display panel, a first current mirror circuit is fabricated by connectin... | 11/01/2011 |
| 7973742 | Method of driving field emission device (FED) and method of aging FED using the same A method for driving a field emission device (FED) applies an alternating (AC) voltage as a driving voltage for emitting electrons in a field emission device comprising cathode electrode including an emitter and an anode electrode facing the cathode electrode. A met... | 07/05/2011 |
| 7924243 | Image display apparatus for forming an image with a plurality of luminescent points The present invention relates to an image display apparatus for forming an image with a plurality of luminescent spots to be precisely aligned in a matrix. For example, a spacer disposed between an electron source and a face plate causes luminescent spots on the fac... | 04/12/2011 |
| 7830339 | Image display apparatus An image display apparatus includes a rear plate having electron-emitting devices, a face plate having light-emitting regions, a spacer arranged between the rear plate and the face plate, and a drive circuit having a correction circuit which corrects input image dat... | 11/09/2010 |
| 7825877 | Display device To provide a highly reliable display device whose electrical element is applied with a low voltage. The display device is an active matrix FED display device whose pixel has an individual extraction gate electrode, an emitter array, a driving transistor which is con... | 11/02/2010 |
| 7812791 | Electron emission display and driving method thereof An electron emission display and a driving method thereof adjust a brightness differently according to a brightness of a frame in order to reduce power consumption and prevent a gradual failure from occurring, and easily recognize a change of the brightness. A pixel... | 10/12/2010 |
| 7812792 | Electron emission display device and control method of the same An electron emission display device and a control method of the same. The electron emission display device includes a display region having a plurality of scanning lines and a plurality of data lines; a plurality of pixels arranged in regions defined by the scanning... | 10/12/2010 |
| 7777697 | Electron emission display and driving method thereof An electron emission display and a driving method thereof, where a brightness is adjusted differently according to a brightness of a frame in order to reduce power consumption and prevent a brazing fire from occurring, and to easily recognize a change of the brightn... | 08/17/2010 |
| 7750872 | Method for driving a flat-type display device A method for driving a flat-type display device which includes a cathode panel having first electrodes and second electrodes and an anode panel, the cathode panel and the anode panel having spacers is provided. The method includes the steps of: in the non-display op... | 07/06/2010 |
| 7710363 | Control method for a matrix display screen A method of controlling display of a grey level at an associated image point on a matrix display screen. The screen includes lines and columns for which the intersections form an image point. Samples with non-linear proportional light intensity are used to display g... | 05/04/2010 |
| 7710362 | Electron emission display (EED) and method of driving the same An electron emission display (EED) includes an anode and a panel electrode unit comprising a scan electrode that extends in one direction of a lattice type panel and a data electrode that extends across the scan electrode. In the display and a method of driving the ... | 05/04/2010 |
| 7696959 | Display device and driving method of the same Scan electrode potential detected by a feedback switch is inputted into a negative-phase input terminal of an amplifier, reference selection potential from a reference-selection-potential-signal generation circuit is inputted into a positive-phase input terminal of ... | 04/13/2010 |
| 7679584 | Electron Emission Display (EED) with separated grounds An EED capable of reducing noise influence between a high voltage element and a low voltage logic element in an EED panel includes: a high voltage ground for a high voltage element, a low voltage ground for a low voltage element, and a ferrite bead, connected betwee... | 03/16/2010 |
| 7652644 | Electron emission display and driving method An electron emission display for improving brightness uniformity by compensating brightness deviation between respective elements. The electron emission display includes a display panel, a scan driver, a data driver, and a brightness compensator. The display panel i... | 01/26/2010 |
| 7612743 | Electron emission display (EED) with decreased signal distortion and method of driving EED An Electron Emission Display (EED) with decreased signal distortion has a data driver to convert data driving signals into display data signals having predetermined data voltage levels and to output the display data signals to data electrode lines. A method of drivi... | 11/03/2009 |
| 7592979 | Image display apparatus and television apparatus An image display apparatus comprising: a plurality of pixels each having an electron emitting element and a light emitting area to be irradiated by electrons from the element; and a driving circuit for outputting a driving signal that drives the element, wherein the... | 09/22/2009 |
| 7564432 | Method and apparatus for extending the life of matrix addressed emissive display devices A method of reducing luminance decay of emissive elements in a matrix addressed emissive display device includes generating control data corresponding to a static image to be displayed on a matrix of individually addressable emissive display elements. Drive signals ... | 07/21/2009 |
| 7535439 | Display device and method for driving a display device A display device driver constructed of scanning selection switches corresponding to a plurality of scanning wiring lines, a non-selection switch which brings the scanning wiring line into a non-selected state, a feedback switch which detects a scanning electrode pot... | 05/19/2009 |
| 7532180 | Image display apparatus An image display apparatus includes a display panel having a plurality of electron emission portions that emit electrons, a plurality of light emitting regions positioned corresponding to the plurality of electron emission portions to emit light in response to irrad... | 05/12/2009 |
| 7525518 | Image display apparatus An image display apparatus includes an image display devices driven in a matrix by a plurality of row wirings and column wirings, a scanning circuit for sequentially selecting and scanning the row wirings, a modulation circuit for applying a modulated signal, voltag... | 04/28/2009 |
| 7525519 | Electron emission device, display device using the same, and driving method thereof An electron emission device includes a first electrode having a data signal applied thereto, a second electrode having a scan signal applied thereto, an electron emitter for emitting electrons in response to a voltage difference between the data signal and the scan ... | 04/28/2009 |
| 7522132 | Image display apparatus An image display apparatus capable of displaying a preferable image whose dark place contrast has a large value and whose color-reproducibility and gray-level reproducibility are excellent. A voltage level of a scanning selective signal is changed in response to a r... | 04/21/2009 |
| 7492335 | Discharge of a field emission display based on charge accumulation A field emission device (100) is provided for reducing power and audible noise during discharging of dielectric surfaces (137, 138). The field emission device (100) comprises an anode (122) and a first substrate (111) including a c... | 02/17/2009 |
| 7432883 | Driving method for electron-emitting device, driving method for electron source, manufacturing method for electron source, and image display apparatus In a driving method for an electron-emitting device in which an electron-emitting member made of an aggregate of carbon fibers is made to emit electrons by a voltage being applied between a cathode electrode on which the electron-emitting member is formed and a coun... | 10/07/2008 |
| 7432884 | 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 to a... | 10/07/2008 |
| 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 |
| 7417379 | Cold cathode type flat panel display A cold cathode type flat panel display which is an image display device includes a vacuum panel container composed of a cathode substrate in which plural cold cathode type electron sources are arranged, an anode substrate, plural spacers for supporting the cathode s... | 08/26/2008 |
| 7417380 | Electron emission device An electron emission device has an optimized inner structure where the electrons emitted from the electron emission regions are straightly migrated toward the phosphor layers. The electron emission device includes first and second substrates facing each other, and c... | 08/26/2008 |
| 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 |
| 7385355 | Display device having a thin film electron source array The invention provides a display device using thin film type electron sources having a structure that can be formed in a simple manufacturing process. A lower electrode, a protective insulating layer and an interlayer film are formed on a cathode substrate. An upper... | 06/10/2008 |
| 7379037 | Display apparatus, method of driving display apparatus, electron emitter, method of driving electron emitter, apparatus for driving electron emitter, electron emission apparatus, and method of driving electron emission apparatus One image is displayed in a period as one frame, which includes one charge accumulation period and one light emission period. In the charge accumulation period, all electron emitters are scanned, and voltages depending on the luminance levels of corresponding pixels... | 05/27/2008 |
| 7368754 | Semiconductor integrated circuit, signal transmitting device, electro-optical device, and electronic apparatus The invention provides a semiconductor integrated circuit which allows a plurality of devices to be integrated compactly, that is, with high density; a signal transmitting device; an electro-optical device; and an electronic apparatus. A semiconductor integrated cir... | 05/06/2008 |
| 7368880 | Phase shift modulation-based control of amplitude of AC voltage output produced by double-ended DC-AC converter circuitry for powering high voltage load such as cold cathode fluorescent lamp A double-ended, DC-AC converter supplies AC power to a load, such as a cold cathode fluorescent lamp used to back-light a liquid crystal display. First and second converter stages generate respective first and second sinusoidal voltages having the same frequency and... | 05/06/2008 |
