Patent application number | Description | Published |
20100045646 | DISPLAY DEVICE AND ITS DRIVING METHOD - In a pixel circuit | 02-25-2010 |
20100238149 | DISPLAY DEVICE ADN METHOD FOR MANUFACTURING THE SAME - A pixel circuit (Aij) has a capacitor (Cs) having one of ends connected with a gate terminal of a DTFT (driving TFT) and the other end connected with a capacitance feedback line (CSi), a current-voltage conversion circuit ( | 09-23-2010 |
20110292025 | DISPLAY DEVICE - The present invention achieves a display device capable of quick compensation of charging of parasitic capacitance with a simple configuration and low power consumption. The display device in accordance with the present invention includes (i) pixels, (ii) signal wires (Sj), and (iii) an operational amplifier (OP | 12-01-2011 |
20120075361 | DISPLAY DEVICE AND DRIVE METHOD FOR DISPLAY DEVICE - A pixel circuit ( | 03-29-2012 |
20120248471 | PIXEL ARRAY SUBSTRATE AND DISPLAY DEVICE - A pixel array substrate includes: a first through fourth transistors (Ta through Td); a light-emitting element (OEL); a scanning line connected with a control terminal of the fourth transistor; a data line connected with one conducting terminal of the fourth transistor; a first control line (AZi) connected with one conducting terminal of the third transistor; a second control line (Ei) connected with a control terminal of the first transistor; and a first power source line (Ypj) connected with one conducting terminal of the first transistor. One conducting terminal of the second transistor is connected with the first power source line via the first transistor. A control terminal of the second transistor is connected with the data line via the fourth transistor and with a terminal of the light-emitting element via a capacitor (C). The terminal of the light-emitting element, the other conducting terminal of the second transistor, the other conducting terminal of the third transistor, and a control terminal of the third transistor are connected with one another. This configuration makes it possible to reduce the number of wiring of a pixel array substrate which includes an organic light-emitting diode. | 10-04-2012 |
20120249513 | DISPLAY DEVICE AND METHOD FOR DRIVING DISPLAY DEVICE - A display device of the present invention includes: pixels, each of which is provided with first to fourth transistors (Tr), and a light-emitting element, each pixel being configured so that a control terminal of the first Tr is connected to a first control line, a control terminal of the fourth Tr is connected to a scanning line, (iii) a first electrically-conductive terminal of the fourth Tr is connected to a data line, a first electrically-conductive terminal of the second Tr is connected to a first power supply line via the first Tr, a control terminal of the second Tr is connected to the data line via the fourth Tr and to a terminal of the light-emitting element via a capacitor, the terminal of the light-emitting element, a second electrically-conductive terminal of the second Tr, a first electrically-conductive terminal of the third Tr, and a control terminal of the third Tr are connected to each other; and a second control line (AZC) shared commonly by at least two pixels among the pixels, the at least two pixels being such that the fourth transistors Tr of the at least two pixels are connected to different scanning lines, and second electrically-conductive terminals of the third transistors Tr of the at least two pixels are connected to the second control line, the at least two pixels being such that the third transistors of the at least two pixels are concurrently turned ON, after the first transistors of the at least two pixels are sequentially turned OFF. This makes it possible that the number of control lines of an organic EL display is decreased. | 10-04-2012 |
20130021312 | DISPLAY DEVICE AND DRIVE METHOD THEREFOR - A display device | 01-24-2013 |
20130106823 | DISPLAY DEVICE AND METHOD FOR DRIVING SAME | 05-02-2013 |
20130181969 | DISPLAY DEVICE AND DRIVE METHOD THEREFOR - Provided is a display device that can sufficiently secure a period for threshold value detection with a simple configuration and that can inhibit occurrence of luminance non-uniformity. The display device includes a plurality of pixel circuits; a gate driver circuit connected to a plurality of scanning signal lines and a plurality of control lines; and a power control circuit connected to a plurality of power lines through a common power line. Each pixel circuit includes an organic EL element, a plurality of TFTs, and a capacitor. During each frame period, after initialization and threshold value detection are collectively performed on a plurality of rows, writing and light emission are performed sequentially on a row-by-row basis. Here, in a preceding frame (first frame) of two consecutive frame periods, writing is performed in order from the first row to the nth row (ascending order). In a subsequent frame (second frame) of the two frame periods, writing is performed in order from the nth row to the first row (descending order). | 07-18-2013 |
20140306945 | DISPLAY DEVICE AND DRIVE METHOD THEREOF - A pixel circuit | 10-16-2014 |
20140307012 | DISPLAY DEVICE AND DRIVE METHOD THEREOF - A pixel circuit | 10-16-2014 |
20140340377 | COLOR DISPLAY DEVICE - In a pixel circuit ( | 11-20-2014 |