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"I watched his countenance closely, to see if he was not deranged ... and I was assured by other senators after he left the room that they had no confidence in it."
U.S. Senator Smith of Indiana ; After seeing Samuel Morse demonstrate the telegraph.
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| Number | Title | Issue Date |
| 8054245 | Plasma display apparatus and method of driving plasma display apparatus A plasma display apparatus and a method of driving the plasma display apparatus are provided. A maintenance period of a sustain signal changes depending on a temperature of a plasma display panel or an ambient temperature of the plasma display panel. ... | 11/08/2011 |
| 7817107 | Cooling apparatus of plasma display panel and method for stabilizing plasma display panel A cooling apparatus of a plasma display panel and a method for stabilizing the PDP to minimize the residual image on the display are disclosed. In particular, the present invention minimizes the residual image that is generated due to the degeneration of phosphors c... | 10/19/2010 |
| 7423611 | Display device capable of controlling power consumption without generating degradation in image quality, and method of driving the display device A method of driving a display device has a calculating step, a comparing step, and a controlling step. The calculating step calculates a total number of light-emission pulses within a field, based on an average of display load factors in at least two fields, the com... | 09/09/2008 |
| 7423864 | Plasma display device A plasma display device comprises a plasma display panel, a chassis base for supporting the plasma display panel, and a circuit board assembly mounted on the chassis base with circuit elements for applying electrical signals required for driving the plasma display p... | 09/09/2008 |
| 7414597 | Plasma display panel driving circuit A PDP driving circuit for a stable operation of a ramp pulse. A capacitor having a temperature characteristic opposite to a temperature characteristic of a part coupled to a switch that operates as a constant current source for generation of a ramp pulse is arranged... | 08/19/2008 |
| 7358967 | Plasma display panel and method of driving the same A method for driving a plasma display panel, including a reset period, an address period, and a sustain discharge period, wherein the reset period has a rising ramp section. During the rising ramp section of the reset period, a flat period of maintaining a peak volt... | 04/15/2008 |
| 7359108 | Display device An exemplary display device based on layer displacement having a perforated white substrate positioned close to a transparent substrate. Layer (fluid) displacement such as oil movement results in the (colored) oil film being pumped in a controlled manner above the w... | 04/15/2008 |
| 7355564 | Plasma display panel and driving method thereof A plasma display panel (PDP) and driving method that includes a floating reset process. A number of subfields are generated from input video signals, and subfield data for each subfield are output. A first voltage is applied to the first electrode according to susta... | 04/08/2008 |
| 7312792 | Method and apparatus for driving a plasma display panel The present invention relates to a plasma display panel, and more specifically, a method and an apparatus for driving a plasma display panel. According to the present invention, a method for driving a plasma display panel in which pluralities of first electrodes and... | 12/25/2007 |
| 7310073 | Plasma display panel The present invention relates to a plasma display panel, and more particularly, to an electrode structure of a plasma display panel capable of improving brightness and efficiency. According to a first embodiment of the present invention, in a plasma display panel of... | 12/18/2007 |
| 7304620 | Image display apparatus and image display method The method and apparatus for displaying an image using liquid generate a segment fluid row, in which plural liquid masses each of which includes first liquid having at least one predetermined coloring matter and are separated from each other are arranged in a row sh... | 12/04/2007 |
| 7288012 | Method of manufacturing plasma display panel A plasma display panel is provided that includes scan electrodes, sustain electrodes, and address electrodes. A first pulse voltage for the address electrodes or a second pulse voltage for the address electrodes is applied to the address electrodes in an aging step ... | 10/30/2007 |
| 7265497 | Methods and protection schemes for driving discharge lamps in large panel applications The present disclosure introduces a simple method and apparatus for converting DC power to AC power for driving discharge lamps such as a cold cathode fluorescent lamp (CCFL), an external electrode fluorescent lamp (EEFL), or a flat fluorescent lamp (FFL). Among oth... | 09/04/2007 |
| 7247989 | Gas discharge display There is disclosed a gas discharge display device comprised of microspheres containing ionizable gas, each microsphere being positioned within a cavity, well, or hollow. Photons from the gas discharge within a microsphere excite a phosphor such that the phosphor emi... | 07/24/2007 |
| 7242372 | Plasma display apparatus A plasma display apparatus, in which a sustain output device (transistor) with a voltage rating in accordance with the sustain voltage can be used even when a voltage greater than the sustain voltage is applied to a sustain electrode in the reset period and the addr... | 07/10/2007 |
| 7227514 | Apparatus and method for driving plasma display panel In an apparatus for driving a PDP, first and second switches are coupled in series between a power source V1 for supplying a voltage Vs/2 and a first terminal of the panel capacitor, and third and fourth switches are coupled in series between the first termin... | 06/05/2007 |
| 7224329 | Plasma display apparatus and manufacturing method A PDP apparatus of low power consumption and without erroneous malfunctions is equipped with a sustaining circuit that prevents an on/off timing shift and deterioration of a sustaining pulse produced thereby. Phase adjusting circuits, which adjust the timing of the ... | 05/29/2007 |
| 7208876 | Plasma display panel A plasma display panel. A first substrate and a second substrate are provided opposing one another with a predetermined gap therebetween. Address electrodes are formed on the second substrate. Barrier ribs are mounted between the first substrate and the second subst... | 04/24/2007 |
| 7180481 | Plasma display and its driving method A PDP display apparatus driving method for performing multi-level gradation display by constituting one frame of a plurality of subfields assigned different weights, wherein in a subfield in which a relative luminance ratio corresponds to a lowest weight, display is... | 02/20/2007 |
| 7166961 | Protective film of plasma display panel and method of fabricating the same An improved protective film for a plasma display panel and a fabricating method thereof are provided. The improved protective film has magnesium oxide (MgO) as its main component, and uses a slight addition of silicon (Si) to improve jitter characteristics experienc... | 01/23/2007 |
| 7145582 | Plasma display panel display device and its driving method A method of driving a plasma display device that includes a plurality of scanning electrodes, a plurality of sustaining electrodes, and a plurality of data electrodes is such that, when m is any given integer, the data electrodes are applied with a negative polarity... | 12/05/2006 |
| 7095173 | Plasma display panel having discharging portions with increasing areas A plasma display panel provides increased brightness over an entire screen while simultaneously reducing power consumption. The plasma display panel includes a rear substrate, a plurality of address electrodes disposed parallel to each other on the rear substrate, a... | 08/22/2006 |
| 7091668 | Display and display panel driving method A display and a driving method of a display panel capable of improving a dark contrast. In driving the display panel having light-emission areas formed at each intersection of a plurality of pairs of row electrodes and a plurality of column electrodes, each of the l... | 08/15/2006 |
| 7079126 | Method for power level control of a display device and apparatus for carrying out the method Plasma Display Panels are becoming more and more interesting for TV technology. One important criterion for picture quality is the Peak White Enhancement Factor PWEF. In a previous patent application a method for power level control in a display with which the PWEF ... | 07/18/2006 |
| 7053871 | Display apparatus with gas discharge tube and method of driving gas discharge tube A method of driving a gas discharge tube is provided. Each field of images is divided into three periods for luminescence-rest, luminescence-preparing, and luminescence steps. During the luminescence-rest step, two voltages whose amplitudes are the same and constant... | 05/30/2006 |
| 7045963 | Plasma display panel A plasma display panel. Front and rear plates are spaced by a rib structure that is disposed on the rear plate with Neon gas filled therebetween. The rib structure partitions off the rear plate into a plurality of first, second and third sub-pixels adjacent to each ... | 05/16/2006 |
| 7023406 | Method and apparatus for enhancing peak luminance on plasma display panel To provide a plasma display device which implements a peak luminance higher than prior art, reduces the power dissipation, improves the smoothness of gradation display, and conducts clear display suitable especially for TV display. By setting a plurality of APL leve... | 04/04/2006 |
| 7015880 | Address-while-display driving method for broadening margin of address voltage of plasma display panel There is provided an address-while-display driving method for a surface discharge type triode plasma display panel, which includes sequentially performing resetting and addressing on each XY-electrode line pair while alternately and consecutively applying display vo... | 03/21/2006 |
| 7002306 | Lamp driver system with improved redundancy A lamp driver system that facilitates improved reliability and performance for a display system is provided. The lamp driver system includes a fault detector and an output steering device. The fault detector determines when a failure occurs in a lamp illuminating th... | 02/21/2006 |
| 6995893 | Electro-optical device, method for manufacturing electro-optical device, apparatus for manufacturing electro-optical device, and electronic apparatus The invention provides an electro-optical device, a method of manufacturing an electro-optical device, an apparatus for manufacturing an electro-optical device, and an electronic apparatus, in which, in the electro-optical device, a gap formed between two substrates... | 02/07/2006 |
| 6947016 | Method and apparatus for driving plasma display panel operating with middle discharge mode in reset period A method for driving a plasma display panel includes applying an erasing pulse, a reset pulse and a scan pulse respectively in each of an erasing period, a reset period and a scan period. In a reset period, a reset pulse with a waveform of a sloped ramp pulse is app... | 09/20/2005 |
| 6924795 | Plasma display panel and method of driving the same A driving method of the present invention is adapted to a plasma display panel which includes first and second electrodes formed on a substrate, third electrodes formed in a direction intersecting the first and second electrodes, and a dielectric layer covering the ... | 08/02/2005 |
| 6919685 | Microsphere This invention comprises the use of microspheres containing ionizable gas in a gas discharge (plasma) display, photons for the gas discharge within a microsphere exciting a phosphor such that the phosphor emits wavelengths in both the visible or invisible spectrum. ... | 07/19/2005 |
| 6903709 | Plasma display panel and method of driving the same A plasma display panel and a method of driving the same are provided in which circuit elements necessary for controlling potentials of scan electrodes can be reduced without using a complicated multilayered wiring. In the plasma display panel, k (k≧2) data electro... | 06/07/2005 |
| 6900782 | Plasma display panel drive method In the reset step for initializing an amount of wall charge in each of the plurality of discharge cells that define each of the picture elements in a plasma display panel, the number of reset discharges that are caused to occur in the discharge cells that handle the... | 05/31/2005 |
| 6870521 | Method and device for driving plasma display panel The present invention provides a plasma display driving method and driving device which can improve image display contrast. The method comprises an address step for shifting the discharge cells into an emission enable state when the discharge cells corresponding to ... | 03/22/2005 |
| 6853358 | Method and device for driving a plasma display panel A method for driving a plasma display panel is provided in which wasteful power consumption is reduced and ion bombardment that may deteriorate cells is suppressed for a long life of cells. A ratio of lighting that is a ratio of the number of cells to be lighted to ... | 02/08/2005 |
| 6839069 | Light emission display drive method and drive apparatus A light emission display drive apparatus used as a light emission display drive circuit includes an at least second-order ΔΣ modulator 3 for turning on/off a constant drive current or a constant drive voltage, thereby performing gradation control of each li... | 01/04/2005 |
| 6816134 | Plasma display panel There is provided a plasma display panel (PDP), consisting of a front panel (10) equipped with display electrodes (8) and a rear panel (4) equipped with address electrodes (3), that displays an image by causing discharge in a small discha... | 11/09/2004 |
| 6774875 | Method for compensating luminance of a plasma display panel A method for compensating luminance, suitable for use in a plasma display panel. The method includes the following steps. First, the luminance value of each pixel signal is read out. Then, the load of the pixel signal row is computed. The load is the number of pixel... | 08/10/2004 |
