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Class 345/66 - Particular discharge path


Subclass of Class 345 - Computer graphics processing and selective visual display systems
Definition: Subject matter in which the display elements* include
No. of patents: 266
Last issue date: 03/22/2011


1              
NumberTitleIssue Date
7911418Method of driving plasma display panel, and plasma display device
A method and device for driving a plasma display panel are provided that do not cause false lighting even if the all-cell initializing operation becomes unstable. In an initializing period of a subfield, an all-cell initializing operation of causing initializing dis...
03/22/2011
7872615Apparatus and method for driving a plasma display panel
An apparatus for driving a plasma display panel includes a first driver and a second driver and a first power supplier and a second power supplier for generating sustain discharge pulses having no negative (−) level. The first driver includes a first capacitor cha...
01/18/2011
7859486Ambient light sensing circuit and flat panel display including ambient light sensing circuit
An ambient light sensing circuit includes a transistor, a first storage capacitor coupled to the transistor and adapted to compensate for a threshold voltage of the transistor, a second storage capacitor coupled to the first storage capacitor, a photodiode coupled t...
12/28/2010
7773052Display device and method of driving the same using plural voltages
There is provided a plasma display device including a slope waveform generating circuit which supplies to an electrode a slope waveform of which voltage changes with the lapse of time, the electrode being formed in a capacitive load to serves as a display element in...
08/10/2010
7768478Plasma display apparatus
A plasma display apparatus is disclosed. The plasma display apparatus includes a plasma display panel including a first electrode and a second electrode connected to a reference voltage source, a negative voltage controller that supplies a negative voltage output fr...
08/03/2010
7742018Plasma display device
A plasma display device which selectively generates address discharge in each display cell in accordance with pixel data based on a video signal in an address period, applies a sustain pulse between row electrodes forming each row electrode pair in a sustain period,...
06/22/2010
7737921Driving device and method of plasma display panel by floating a panel electrode
Disclosed are a driving device and a driving method for a plasma display panel (PDP). A panel capacitor is formed by a scan electrode and a sustain electrode. The charges are moved from the panel capacitor to a capacitor by turning on a transistor which is connected...
06/15/2010
7733304Plasma display and plasma display driver and method of driving plasma display
A plasma display includes a plurality of scan electrodes. A scan voltage is sequentially supplied to the plurality of scan electrodes, and a non-scan voltage that is higher than the scan voltage is supplied to scan electrodes to which the scan voltage is supplied. T...
06/08/2010
7728792Mesh-pattern partitioned plasma display panel
A plasma display panel is provided in which discharge connection in the column direction is prevented without increasing the number of man-hours in a formation process of a partition and without deteriorating ventilation for an exhaust process. A pattern in a plan v...
06/01/2010
7719489Driving waveform and circuit for plasma display panel
A driving circuit, which can realize the driving waveforms for a PDP without staying at ground potential includes having one side, the X side, of an panel equivalent capacitor Cp of the PDP coupled directly to ground with the Y side of the equivalent capa...
05/18/2010
7675484Method for driving a gas electric discharge device
A method for driving an AC type surface-discharge display device which has cells arranged in a matrix. Each of the cells has at least three electrodes including a pair of main electrodes on every line of the matrix and an address electrode on every column of the mat...
03/09/2010
7652641Driving apparatus of plasma display panel
A driving apparatus of a plasma display panel for applying a rising or falling waveform to a panel capacitor, comprising a transistor for forming a current path between a power source and the panel capacitor while the transistor is turned on, and which is coupled be...
01/26/2010
7642994Plasma display
A plasma display panel employs a voltage circuit having an input and an output, the voltage circuit configured for supplying a negative voltage for an electrode. The plasma display panel also employs a power supply that has a positive terminal and a negative termina...
01/05/2010
7623094Driving circuit for plasma display panel
A driving circuit for the sustain waveforms of plasma display panel (PDP) includes voltage clamping and energy recovery. The PDP functions as an equivalent capacitor having X and Y sides. A Scan IC has a transistor QH coupled between a first terminal of the Scan IC ...
11/24/2009
7501998Plasma display device and plasma display panel driving method
A plasma display panel (PDP) that has a T-shaped electronic structure or an electrode structure with adjacent parts of the scan electrode and the sustain electrode being broad, and parts coupled to the bus electrodes being narrow in a like manner to the T-shaped ele...
03/10/2009
7477214Soft switching of high-side switches of PDP scan ICs
A method of switching a high-side switch of a plasma display panel (PDP) scan circuit in zero-voltage-switching mode. The scan circuit contains a high-side switch and a low-side switch. By controlling the voltage potential difference across the high-side switch, the...
01/13/2009
7474281Multi-mode switch for plasma display panel
A claimed multiple mode switch includes an input signal interface for receiving first and second input signals and producing a combined input signal; a driving circuit for receiving the combined input signal and producing driving signals accordingly; a resistor mode...
01/06/2009
7446736Plasma display panel
A PDP having a driving circuit that reduces the reset voltage of the PDP driving waveforms to make it possible to use low-voltage elements and to achieve high contrasts is disclosed. Since conventional PDP waveforms require very high reset voltages, it causes a prob...
11/04/2008
7439942Plasma display panel driving apparatus
A plasma display panel driving apparatus for applying a voltage to an electrode of the plasma display panel. The apparatus includes a first voltage applying unit to apply a first voltage and a third voltage to the electrode, and a second voltage applying unit to app...
10/21/2008
7436374Plasma display panel and driving method thereof
In a Plasma Display Panel (PDP) power control apparatus, an internal voltage of a power supply is detected, and a determination is made as to whether an Alternating Current (AC) power input to the power supply has been turned off on the basis of the detected interna...
10/14/2008
7432880Method of driving plasma display panel
A method of driving a plasma display panel having display electrode pairs each one of which pairs is formed of a scan electrode and a sustain electrode. A priming electrode is placed in every other spaces between the display electrode pairs and in parallel with the ...
10/07/2008
7429967Plasma display device and method of driving the same
A plasma display device that enables a stable address operation even in a high-speed drive so as to display an image of high definition and high quality. A PDP having discharge cells each provided with a scanning electrode and a sustaining electrode is driven by a m...
09/30/2008
7414620Energy recovery apparatus and method of a plasma display panel
The present invention relates to a plasma display panel, and more particularly, to an energy recovery apparatus of a plasma display panel and method thereof. The energy recovery apparatus includes a capacitive load equivalently formed between a scan electrode and a ...
08/19/2008
7414849Plasma display apparatus
A plasma display apparatus including: a plasma display panel; a non-conductive chassis disposed on a rear portion of the plasma display panel to support the plasma display panel; a circuit unit disposed on a rear portion of the chassis to drive the plasma display pa...
08/19/2008
7408532Plasma display device and drive method for use in plasma display device
Scan electrodes are provided separately in addition to sustain electrode pairs generating a sustain discharge. An Address-While-Display drive, in which a scan pulse and a sustain pulse are applied at the same timing, is conducted for each subfield. When scan pulses ...
08/05/2008
7397446Plasma display panel driving circuit
A driving circuit for producing sustain waveforms of a plasma display panel (PDP) is mentioned. The driving circuit includes the functions of voltage clamping and energy recovery. By controlling switches contained in the driving circuit, the supplied voltage source ...
07/08/2008
7385568Driving circuit of plasma display panel
A plasma display panel driving circuit includes a panel capacitor having a first side and a second side, a diode electrically connected between the first side of the panel capacitor and a first voltage, a first switch electrically connected between the first voltage...
06/10/2008
7385569Driving circuit of plasma display panel
A plasma display panel driving circuit includes a panel capacitor having first and second sides; a first switch electrically connected between a first voltage and the first side of the panel capacitor; a second switch electrically connected between a second voltage ...
06/10/2008
7382337Display panel driving method
A method of driving a plasma display panel during an address period. In order to avoid address discharge failure at the temporal end of an address period, the voltages applied to the scanning electrodes and to the bias electrodes are decreased throughout the address...
06/03/2008
7382338Driver circuit for plasma display panels
A driver circuit for plasma display panels is provided. The claimed driver circuit includes four switches and an energy recovery circuit coupled to an equivalent capacitor of a plasma display panel. The present energy recovery circuit includes a first unit, coupled ...
06/03/2008
7375704Plasma display panel driving circuit
A driving circuit for producing sustain waveforms of a plasma display panel (PDP) is mentioned. The driving circuit includes the functions of voltage clamping and energy recovery. By controlling switches contained in the driving circuit, the supplied voltage source ...
05/20/2008
7375722Driving circuit and display device
In a circuit driving a capacitive load Cp, current passed through a transistor Q3, a diode D1 and a recovering coil L is passed through lines L1, L2, and the inductance components of the lines L1 and L2, and the drain-source...
05/20/2008
7375467Plasma display panel having stepped electrode structure
A plasma display panel in which a sustain discharge is generated as an opposed discharge, thereby reducing a discharge firing voltage and improving efficiency. The plasma display panel includes first and second substrates. Address electrodes are formed on the first ...
05/20/2008
7372432Switching device and driving apparatus for plasma display panel
A switching device for a plasma display panel that facilitates operations at a high voltage. The switching device may be formed with more than one insulated gate bipolar transistors (IGBT) coupled in parallel. The switching device may also be formed with an insulate...
05/13/2008
7365709Plasma display panel driver
A panel capacitor is formed by a scan electrode and a sustain electrode. The voltage at the panel capacitor is reduced by turning on a transistor coupled between the scan electrode and the capacitor. As a result, the voltage within the panel capacitor exceeds the di...
04/29/2008
7365711Driving apparatus of plasma display panel and method for displaying pictures on plasma display panel
A plasma display panel (PDP) driving apparatus and a method for displaying pictures on the PDP increases the ability to express low gray scales without increasing the number of sub-fields. Input picture signal data are delayed by one frame and the number of high-ord...
04/29/2008
7365708Plasma display and its driving method
A plasma display device that enables a stable address operation even in a high-speed drive so as to display an image of high definition and high quality. A PDP having discharge cells each provided with a scanning electrode and a sustaining electrode is driven by a m...
04/29/2008
7362338Controllable pixel border for improved viewability of a display device
A display device having a display matrix (m+2x by n+2x) including an active, e.g., controllable, pixel border located around the edge locations of a frame buffer matrix for improved character viewability. The border can be several pixels wide, e.g., 1
04/22/2008
7358931Plasma display device and method for driving the same
A plasma display device is provided which is capable of expanding an ensured operating temperature range or operating life time even at time of changes of a driving margin induced by a panel temperature or cumulative operating time of the panel. Display is controlle...
04/15/2008
7358668Green phosphor for plasma display panel (PDP)
A green phosphor for a Plasma Display Panel (PDP) includes a phosphor material selected from the group consisting of Zn2SiO4:Mn, (Zn,A)2SiO4:Mn (A is an alkaline earth metal), (Ba,Sr,Mg)O.aAl2O3:Mn (a...
04/15/2008
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