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| Number | Title | Issue Date |
| 6236380 | Method for displaying gradation with plasma display panel A method for displaying an image with gradation and a high brightness with a plasma display panel is provided. In this method, one field is divided into eight subfields, and each subfield is divided into an addressing period and sustaining period. In the ... | 05/22/2001 |
| 6100939 | Tone display method and apparatus for displaying image signal A intra-field time division tone display method for dividing the time width in a field of a TV signal into a plurality of subfields in the pixel storing time direction and displaying the TV image by controlling the presence or absence of light emission of... | 08/08/2000 |
| 6081303 | Method and apparatus for controlling a timing of an alternating current plasma display flat panel system A method and an apparatus for control a timing in a flat panel display system are disclosed. In an alternating current plasma display system for respectively driving a plurality of subfields at every field in three steps such as a) entering and for elimin... | 06/27/2000 |
| 6025818 | Method for correcting pixel data in a self-luminous display panel driving system In a self-luminous display panel driving system, one field of a composite video signal is divided into N sub-fields, luminance of each pixel is set by a pixel data. The pixel data comprises N bits corresponding to the number of the sub-field. A present pi... | 02/15/2000 |
| 5978052 | Method of operating a plasma addressed liquid crystal display panel to extend useful life of the panel A display device for displaying an image represented by an incoming raster scan video signal comprises a PALC display panel having a rectangular array of addressable panel elements. A frame buffer stores a frame of video and a comparator compares the inco... | 11/02/1999 |
| 5763139 | Plasma display panel and method for manufacturing the same A plasma display panel includes a light-transmittable first substrate, a plurality of first electrodes provided in correspondence with pixels on the first substrate and partition walls provided on the first substrate so that each of the partition walls su... | 06/09/1998 |
| 5475448 | Driving method for a gas-discharge display panel Row electrodes of a display panel are divided into first row electrodes and second row electrodes. A field for the first row electrodes is divided into a plurality of sub-fields each of which has a time length different from other sub-fields to be allocat... | 12/12/1995 |
| 4703229 | Optical display from XeF excimer fluorescence An excimer optical display includes a plasma panel device having therein a mixture of gas comprising xenon and molecular fluorine and a selected amount of other gases forming XeF excimer molecules such that the color of fluorescence is adjustable over a b... | 10/27/1987 |
| 4575765 | Method and apparatus for transmitting images to a viewing screen Method and apparatus for the transmission of images to a screen, wherein luminescence centers of the screen are excited by way of electron beams controlled to suit the image to be transmitted. The electrons are emitted by cathode tips of a thin-film field... | 03/11/1986 |
| 4385293 | Gray shade operation of a large AC plasma display panel A circuit for use with an AC plasma panel to cause gray shade or brightness variation at the discrete points on a displayed rastor by varying the number of emitted light pulses within a flicker period. The gray scale range is divided into a predetermined ... | 05/24/1983 |
| 4378556 | Gray shade operation of sequentially addressed AC plasma panel A circuit configuration for use with a small plasma panel to allow independent variation of the brightness level on a raster in addition to the information displayed by the raster. The gray scale level of all or part of the displayed information can be ch... | 03/29/1983 |
| 4352101 | Flat panel display system A flat panel display arrangement is disclosed in which a plurality of plasma sacs are simultaneously generated from cathodes in sections disposed in side-by-side relation, supporting walls being provided between adjacent sections. Row and column electrode... | 09/28/1982 |
| 4320418 | Large area display A display device is described with a large active viewing area having a high resolution electrode matrix of light emitting cells or pixels. The electrode matrix area is divided into at least two distinct sections by dividing each electrode along at least ... | 03/16/1982 |
| 4233623 | Television display A television display system is described in which a full resolution, interlaced scanned display of real-time images is provided on a gas discharge display panel. Real time scanning of the display panel in synchronism with the received television video sig... | 11/11/1980 |
| 4183062 | Row addressing apparatus for a bistable display device A horizontal sync signal simultaneously addresses a second counter and a first memory addressing circuit comprising a frequency multiplier connected to a first counter. The output of the first counter addresses the first memory. A comparator compares the ... | 01/08/1980 |
| 4121256 | Column electrode drive for gas discharge display device A saving in column memory elements while preserving a stable display with a gas discharge television display device is obtained if a plurality of bits of the digital video information which is entered in the line trace period is passed from the line memor... | 10/17/1978 |
| 4087806 | Plasma display control apparatus Apparatus for controlling persistence of the display on a plasma display device by scanning the cells of a display device in an apparently random manner and extinguishing those cells whose addresses are stored for that purpose thereby to produce controlle... | 05/02/1978 |
| 4067047 | Circuit and method for generating gray scale in gaseous discharge panels A circuit and method for obtaining gray scale in gas discharge display panels which uses only one discharge site per resolution element, does not require extensive electronic memory and provides a continuous, broad intensity range. A video signal is sampl... | 01/03/1978 |
| 4037224 | Signal storing and read-out arrangement of video display system with a crossed-grid flat display panel A video display system employing a flat display panel of the crossed-grid or X-Y matrix type, signal sampling means, and "write in" and "read out" memory circuits serially connected between the signal sampling means and the display panel, is provided with... | 07/19/1977 |
| 4024529 | Image display device An image display device, particularly a gas discharge image display device comprising a plurality of display elements arranged in a matrix at every picture element and a plurality of driving circuits, the display elements being composed of either radiatin... | 05/17/1977 |
| 4020280 | Pulse width luminance modulation system for a DC gas discharge display panel A pulse width luminance modulation system for driving a gas discharge panel in line at a time. The driving circuit for the discharge cell comprises a CR time constant element in order to enlarge the contrast range of the picture to be displayed. The disch... | 04/26/1977 |
| 4017893 | Display device for producing polychromatic luminous images A display device for producing polychromatic luminous images comprising a display panel containing gas cells, electrodes for ionization of the gas, and a photoconductive layer located between the electrodes and responsive to a scanning invisible radiating... | 04/12/1977 |
| 4002828 | Method and circuit for generating gray scale in gaseous discharge panels A method and circuit for obtaining gray scale in gas discharge display panels which uses only one discharge site per resolution element, does not require extensive electronic memory and provides a continuous, broad intensity range. A maintain voltage is a... | 01/11/1977 |
| 3969650 | Gas discharge display device and a novel hollow cathode therefor A highly efficient, high current density gas discharge display panel having rows of columns of gas discharge cells. Each row and discharge cells communicates with a row of hollow cathodes formed of row-wise extending front and rear cathode means positione... | 07/13/1976 |
| 3961134 | Bi-level display system Continuous tone images are displayed on a bi-level display device by establishing thresholds for each display element and actuating a particular element when its intensity $c; bears a predetermine relationship to the established threshold. Thresholds &... | 06/01/1976 |
| 3956667 | Luminous discharge display device A luminous discharge device having a gas filled, gas tight envelope. A cathode is disposed at one side interiorly of the envelope and a luminescent target is disposed at the opposite side of the envelope. An insulating substrate is perforated in the form ... | 05/11/1976 |
| 3953886 | Planar raster scan display with gas discharge shift registers A two-dimensional planar display device includes a plurality of plasma discharge shift registers positioned along rows of a display matrix. An additional shift register positioned along one column at the edge of the display matrix causes a plasma discharg... | 04/27/1976 |
| 3953672 | Gray scale for planar gas discharge display devices A two-dimensional planar display device includes a plurality of plasma discharge shift registers positioned along rows of a display matrix. Each resolution element along a row includes two stable discharge locations, a first of which is optically masked. ... | 04/27/1976 |
| 3940757 | Method and apparatus for creating optical displays A photoconductor gas discharge display is adapted for such rapidly moving images as television pictures by means of the present invention wherein the photoconductive elements (abbreviated as PC elements) are illuminated in advance of the addressing thereo... | 02/24/1976 |
| 3938135 | Gas discharge display device and an improved cell therefor A gas discharge display panel and an improved cell therefor. Each cell includes a cathode at one end and a video anode at its other end with a main discharge path between the video anode and the cathode. A priming anode extends along a substantial part of... | 02/10/1976 |
