Patent application number | Description | Published |
20080238825 | Plasma Display Device - An electrode drive circuit of a plasma display device includes a scan driver provided with plural drivers having first and second switching elements and first and second diodes, and a positive reset pulse generating circuit by which a first superposed voltage obtained by applying a predetermined first voltage to a low potential side terminal of the second switching element and superposing the first voltage and a voltage between a high potential side terminal of the first switching element and the low potential side terminal of the second switching element is generated to the high potential side terminal of the first switching element. The first superposed voltage is applied to the electrodes via the first switching element. | 10-02-2008 |
20080278418 | PLASMA DISPLAY APPARATUS AND A METHOD OF DRIVING THE PLASMA DISPLAY APPARATUS - A method of driving a PDP apparatus to sufficiently suppress the background light emission and improve the dark room contrast, in which first electrodes and second electrodes are arranged adjacently, a first display line is formed between one side of the second electrode and the first electrode adjacent thereto, a second display line is formed between the other side of the second electrode and the first electrode adjacent thereto, and the interlaced display that displays the first display line and the second display line alternately in different fields is performed, has been disclosed, wherein the reset voltage that directly relates to the intensity of the background light emission is varied according to the number of times of sustain discharges, the display conditions, and so on, in each subfield and the reset discharge is caused to occur with the minimum voltage in each subfield. | 11-13-2008 |
20080284687 | Display apparatus - A display apparatus, that can prevent thermal destruction and burning with a simple structure, has been disclosed. In the apparatus it is judged that there is possibility of a pattern, whose area with high brightness is small, being displayed frequently, when a state in which the total light emission pulse number remains large occurs with high frequency, and if such a state is detected, the total light emission pulse number (sustain frequency) is reduced to prevent the thermal destruction and burning. | 11-20-2008 |
20090237331 | PLASMA DISPLAY DEVICE - A drive circuit for a plasma display device has a capacitance C | 09-24-2009 |
20100141691 | Display apparatus - A display apparatus, that can prevent thermal destruction and burning with a simple structure, has been disclosed. In the apparatus it is judged that there is possibility of a pattern, whose area with high brightness is small, being displayed frequently, when a state in which the total light emission pulse number remains large occurs with high frequency, and if such a state is detected, the total light emission pulse number (sustain frequency) is reduced to prevent the thermal destruction and burning. | 06-10-2010 |
20120001836 | PLASMA DISPLAY DEVICE - An electrode drive circuit of a plasma display device includes a scan driver provided with plural drivers having first and second switching elements and first and second diodes, and a positive reset pulse generating circuit by which a first superposed voltage obtained by applying a predetermined first voltage to a low potential side terminal of the second switching element and superposing the first voltage and a voltage between a high potential side terminal of the first switching element and the low potential side terminal of the second switching element is generated to the high potential side terminal of the first switching element. The first superposed voltage is applied to the electrodes via the first switching element. | 01-05-2012 |
20120007847 | PLASMA DISPLAY DEVICE - An electrode drive circuit of a plasma display device includes a scan driver provided with plural drivers having first and second switching elements and first and second diodes, and a positive reset pulse generating circuit by which a first superposed voltage obtained by applying a predetermined first voltage to a low potential side terminal of the second switching element and superposing the first voltage and a voltage between a high potential side terminal of the first switching element and the low potential side terminal of the second switching element is generated to the high potential side terminal of the first switching element. The first superposed voltage is applied to the electrodes via the first switching element. | 01-12-2012 |
20120075276 | Plasma display apparatus and method of driving the plasma display apparatus - A plasma display apparatus and method are provided. The plasma display apparatus includes a plasma display panel in which first electrodes and second electrodes are arranged adjacently and third electrodes are arranged to cross the first and second electrodes. The method for driving a plasma display apparatus in which first electrodes and second electrodes are arranged adjacently and third electrodes are arranged to cross the first and second electrodes and in which one field comprises subfields having a reset period followed by an address period and a sustain period includes in a reset period, applying to second electrodes a voltage of a first waveform in which an applied voltage value increases according to a lapse of time and applying to second electrodes a voltage of a second waveform in which an applied voltage value decreases according to a lapse of time. | 03-29-2012 |
20140306944 | METHOD OF DRIVING A PLASMA DISPLAY APPARATUS - A method of driving a plasma display apparatus in which first electrodes and second electrodes are arranged adjacently and third electrodes are arranged to cross the first and second electrodes and in which one field comprises plural subfields having a reset period followed by an address period and a sustain period is provided. The method includes in the reset period in at least two of the subfields, applying a first waveform having a voltage that gradually increases in time to a first reached voltage to the second electrodes, and thereafter, applying a second waveform having a voltage that gradually decreases in time to the second electrodes, wherein the first reached voltages applied in at least two subfields of the subfields are different. | 10-16-2014 |