Patent application number | Description | Published |
20080218454 | Display apparatus and method for driving the same - In a display apparatus, as shown in FIG. | 09-11-2008 |
20080224964 | Display apparatus, display-apparatus driving method and electronic equipment - In the present invention, there is provided a display apparatus including: a pixel array section including pixel circuits each having an electro-optical device, a write transistor configured to carry out a voltage storing process, a holding capacitor configured to hold the sampled video signal, and a driving transistor configured to drive the electro-optical device; first scan means for carrying out a selective scan operation in row units and driving each of the write transistors; second scan means for selectively supplying either a first or second electric potential synchronously with the selective scan operation for feeding a current to each of the driving transistors; and control means for sustaining a power-supply feed line in a floating state during a period ending at a time not earlier than the start of the voltage storing process after a voltage corresponding to the threshold voltage of the driving transistor has been held in the holding capacitor. | 09-18-2008 |
20080238835 | Display apparatus and driving method therefor - A display apparatus disclosed herein includes a plurality of pixel circuits, each having a plurality of switches configured to receive a driving signal of a predetermined period and to be controlled for opening and closing operation by the driving signal, a drive circuit configured to control the open/closed state of the switches, being operable to scan the pixel circuits and open and close the switches in periods independent of each other. | 10-02-2008 |
20080252626 | Self-luminous display panel driving method, self-luminous display panel and electronic apparatus - A self-luminous display panel driving method for driving a self-luminous display panel of the active matrix driving type, includes the step of executing threshold value correction operation for a driving transistor divisionally in a plurality of periods within at least one of which, after a point of time of an end of a preceding correction period till a point of time of a start of a succeeding correction period, a potential to be applied to the drain electrode of the driving transistor is controlled to an intermediate potential between a first potential for lighting driving of the driving transistor and a second potential for initialization applied within a preparation period of the first one of the correction periods. | 10-16-2008 |
20090046040 | DISPLAY DEVICE AND ELECTRONIC EQUIPMENT - Disclosed herein is a display device including a pixel array section; power supply lines; and auxiliary electrodes, wherein the pixels each have an auxiliary capacitance, and one of electrodes of the auxiliary capacitance is connected to the source electrode of the drive transistor, and an other electrode connected to the auxiliary electrode for each pixel. | 02-19-2009 |
20090046041 | Display device and electronic equipment - The present invention provides a display device including a pixel array section, the pixel array section having pixels arranged in a matrix form, each of the pixels including: an electro-optical element; a write transistor; a holding capacitance; a drive transistor; and a switching transistor; a write scan line disposed for each of pixel rows of the pixel array section and adapted to convey a write signal to be applied to the gate electrode of the write transistor; and a correction scan line, wherein the wiring structure of the write scan line does not intersect with the wiring pattern connected to the gate electrode of the drive transistor. | 02-19-2009 |
20090160847 | Display device, method for driving same, and electronic apparatus - Disclosed herein is a display device including: a pixel array part including row first drive lines, row second drive lines, and column signal lines; and a drive part including a horizontal drive circuit, a first vertical drive circuit, and a second vertical drive circuit, wherein the first vertical drive circuit simultaneously drives pixels on two rows adjacent to each other, the second vertical drive circuit simultaneously drives pixels on two rows adjacent to each other, and a pair of rows of the pixels simultaneously driven by the first vertical drive circuit and a pair of rows of the pixels simultaneously driven by the second vertical drive circuit are shifted from each other by one row, for light-emission operation of the pixels on a row-by-row basis. | 06-25-2009 |
20090167646 | Display device and electronic device - The present invention provides a display device includes: a pixel array section including a set of pixels arranged in a form of a matrix; and a driving section for driving the pixel array section. | 07-02-2009 |
20090256827 | Display device and output buffer circuit for driving the same - Disclosed herein is a display device including: a plurality of pixel circuits; a power source line connected to corresponding ones of the plurality of pixel circuits; and an output buffer circuit for supplying currents to corresponding ones of the plurality of pixel circuits by alternately applying a first potential applied to a first power source supply terminal, and a second potential applied to a second power source supply terminal to the power source line. The output buffer includes a variable resistance circuit connected to a path between the first power source supply terminal and the power source line, the variable resistance circuit serving to change a resistance value thereof in accordance with a magnitude of a total sum of the currents. | 10-15-2009 |
20090262102 | Display device, driving method of display device, and electronic device - Disclosed herein is a display device including a pixel array unit, a first scanning circuit, a second scanning circuit and a selecting circuit. | 10-22-2009 |
20090273547 | Display apparatus and display-apparatus driving method - Disclosed herein is a driving method for driving a display apparatus, the display apparatus including: N×M light emitting units; M scan lines; N data lines; a driving circuit provided for each of the light emitting units to serve as a circuit having a signal writing transistor, a device driving transistor, a capacitor and a first switch circuit; and a light emitting device. | 11-05-2009 |
20090273590 | Diaplay apparatus and display-apparatus driving method - Disclosed herein is a driving method for driving a display apparatus, the display apparatus including: N×M light emitting units; M scan lines; N data lines; a driving circuit provided for each of the light emitting units to serve as a circuit having a signal writing transistor, a device driving transistor, a capacitor and a first switch circuit; and a light emitting device. | 11-05-2009 |
20090273617 | Display apparatus and display-apparatus driving method - Disclosed herein is a driving method for driving a, display apparatus, the display apparatus including: N×M light emitting units; M scan lines; N data lines; a driving circuit provided for each of the light emitting units to serve as a circuit having a signal writing transistor, a device driving transistor, a capacitor and a first switch circuit; and a light emitting device. | 11-05-2009 |
20090303169 | Scanning drive circuit and display device including the same - Disclosed herein is a display device, including display elements two-dimensionally disposed in a matrix; scanning lines, initialization control lines, and display control lines extending in a first direction; data lines extending in a second direction different from the first direction; and a scanning drive circuit. | 12-10-2009 |
20100007649 | Scan driving circuit and display device including the same - A scan driving circuit includes a shift register unit and a logic circuit unit. The start of a start pulse of an output signal ST | 01-14-2010 |
20100117938 | Pixel circuit, display device, and electroinc appliance - A pixel circuit provided on a substrate on which a signal line, first and second scanning lines supplying first and second control pulse signals, a fixed power line, and a variable power line are arranged includes a capacitance element, a sampling transistor connected between the signal line and one of ends of the capacitance element, where the gate of the sampling transistor is connected to the first scanning line, a drive transistor of which gate is connected to the other end, where one of a drain and a source of the drive transistor is connected to the fixed power line, an initializing transistor of which gate is connected to the second scanning line, which is connected between the other end and the other of the drain and the source, and a light emitting element connected between the variable power line and the other of the drain and the source. | 05-13-2010 |
20100214276 | DISPLAY APPARATUS, DRIVING METHOD OF DISPLAY APPARATUS AND ELECTRONIC EQUIPMENT - Prior to increasing the voltage level of an input signal to be sampled in a step-by-step manner and writing a signal voltage Vsig at a desired voltage level, a precharge is performed which writes a precharge voltage Vpre, lower than the signal voltage Vsig, so as to apply the same voltage Vpre to the gate of a drive transistor in advance. This not only provides a reduced gate-to-source voltage of the drive transistor at the time of writing of the signal voltage Vsig but also extends a mobility correction time required for a mobility correction operation. The extension of the mobility correction time required for the mobility correction operation ensures a relatively smaller variation in the correction time, thus suppressing the variation in brightness. The extension also permits a write pulse to be set to the optimal pulse width. | 08-26-2010 |
20100231568 | Display apparatus and method of driving the same - Driving a display apparatus by performing write processing for applying an auxiliary video signal to a corresponding data line, then, applying a video signal, instead of the auxiliary video signal, to the corresponding data line, and in a state where a predetermined drive voltage is applied from a power supply portion to one area of the source and drain areas of a drive transistor, applying a voltage based on the auxiliary video signal and a voltage based on the video signal from the corresponding data line to the gate electrode of the drive transistor through a write transistor which is turned on in response to a scanning signal from the corresponding scanning line. | 09-16-2010 |
20110012876 | Display device and electronic equipment - A display device is disclosed. The display device includes: a pixel array unit and a driving unit which drives the pixel array unit. The pixel array unit includes rows of first scanning lines and second scanning lines, columns of signals, pixels in a matrix state arranged at portions where the scanning lines and the signal lines cross each other and power supply lines and ground lines supplying power to respective pixels. The driving unit includes a first scanner performing line-sequential scanning to pixels by each row by supplying a first control signal to each first scanning line sequentially, a second scanner supplying a second control signal to each second scanning line sequentially so as to correspond to the line-sequential scanning and a signal selector supplying a video signal to rows of signal lines so as to correspond to the line-sequential scanning. | 01-20-2011 |
20110163943 | Image display device and electronic appliance - An image display device includes: a pixel array part formed of first to fourth scanning lines arranged in rows, signal lines arranged in columns, pixel circuits in a matrix connected to the scanning lines and signal lines, and a plurality of power source lines which supplies first to third potentials necessary for the operations of pixel circuit; a signal part which supplies a video signal to the signal lines; and a scanner part which supplies a control signal to the first to fourth scanning lines, and in turn scans the pixel circuit for every row, wherein the pixel circuits include a sampling transistor, a drive transistor, first to third switching transistors, a pixel capacitance, and a light emitting device, and a channel length of the drive transistor is made longer than a channel length of the switching transistors to suppress fluctuations in threshold voltage. | 07-07-2011 |
20110216054 | DISPLAY APPARATUS AND METHOD FOR DRIVING THE SAME - In a display apparatus, as shown in FIG. | 09-08-2011 |
20120092391 | SELF-LUMINOUS DISPLAY PANEL DRIVING METHOD, SELF-LUMINOUS DISPLAY PANEL AND ELECTRONIC APPARATUS - A self-luminous display panel driving method for driving a self-luminous display panel of the active matrix driving type, includes the step of executing threshold value correction operation for a driving transistor divisionally in a plurality of periods within at least one of which, after a point of time of an end of a preceding correction period till a point of time of a start of a succeeding correction period, a potential to be applied to the drain electrode of the driving transistor is controlled to an intermediate potential between a first potential for lighting driving of the driving transistor and a second potential for initialization applied within a preparation period of the first one of the correction periods. | 04-19-2012 |
20120206324 | DISPLAY DEVICE AND ELECTRONIC EQUIPMENT - A display device is disclosed. The display device includes: a pixel array unit and a driving unit which drives the pixel array unit. The pixel array unit includes rows of first scanning lines and second scanning lines, columns of signals, pixels in a matrix state arranged at portions where the scanning lines and the signal lines cross each other and power supply lines and ground lines supplying power to respective pixels. The driving unit includes a first scanner performing line-sequential scanning to pixels by each row by supplying a first control signal to each first scanning line sequentially, a second scanner supplying a second control signal to each second scanning line sequentially so as to correspond to the line-sequential scanning and a signal selector supplying a video signal to rows of signal lines so as to correspond to the line-sequential scanning. | 08-16-2012 |
20120280964 | DISPLAY APPARATUS AND DISPLAY-APPARATUS DRIVING METHOD - Disclosed herein is a driving method and display apparatus, the display apparatus including light emitting units, scan lines, data lines, a driving circuit provided for each of the light emitting units to serve as a circuit having a signal writing transistor, a device driving transistor, a capacitor and a first switch circuit, and a light emitting device. | 11-08-2012 |
20120281156 | DISPLAY DEVICE AND ELECTRONIC EQUIPMENT - A display device includes a pixel array section, the pixel array section having pixels arranged in a matrix form, at least one of the pixels including an electro-optical element, a write transistor, a holding capacitance, a drive transistor, and a switching transistor. A write scan line is disposed for each pixel row of the pixel array section and adapted to convey a write signal to be applied to the gate electrode of the write transistor. The wiring structure of the write scan line does not intersect with the wiring pattern connected to the gate electrode of the drive transistor. | 11-08-2012 |
20120327138 | DISPLAY APPARATUS AND DISPLAY-APPARATUS DRIVING METHOD - Disclosed herein is a driving method for driving a display apparatus, the display apparatus including: N×M light emitting units; M scan lines; N data lines; a driving circuit provided for each of the light emitting units to serve as a circuit having a signal writing transistor, a device driving transistor, a capacitor and a first switch circuit; and a light emitting device. | 12-27-2012 |
20130009936 | PIXEL CIRCUIT, DISPLAY DEVICE, AND ELECTRONIC APPLIANCE - A pixel circuit provided on a substrate on which a signal line, first and second scanning lines supplying first and second control pulse signals, a fixed power line, and a variable power line are arranged includes a capacitance element, a sampling transistor connected between the signal line and one of ends of the capacitance element, where the gate of the sampling transistor is connected to the first scanning line, a drive transistor of which gate is connected to the other end, where one of a drain and a source of the drive transistor is connected to the fixed power line, an initializing transistor of which gate is connected to the second scanning line, which is connected between the other end and the other of the drain and the source, and a light emitting element connected between the variable power line and the other of the drain and the source. | 01-10-2013 |
20130215098 | SCANNING DRIVE CIRCUIT AND DISPLAY DEVICE INCLUDING THE SAME - Disclosed herein is a display device, including display elements two-dimensionally disposed in a matrix; scanning lines, initialization control lines, and display control lines extending in a first direction; data lines extending in a second direction different from the first direction; and a scanning drive circuit. | 08-22-2013 |
20130235015 | DISPLAY APPARATUS AND DISPLAY-APPARATUS DRIVING METHOD - Disclosed herein is a driving method and display apparatus, the display apparatus including light emitting units, scan lines, data lines, a driving circuit provided for each of the light emitting units to serve as a circuit having a signal writing transistor, a device driving transistor, a capacitor and a first switch circuit, and a light emitting device. | 09-12-2013 |
20130235022 | SCAN DRIVING CIRCUIT AND DISPLAY DEVICE INCLUDING THE SAME - A scan driving circuit includes a shift register unit and a logic circuit unit. The start of a start pulse of an output signal ST | 09-12-2013 |
20130257697 | DISPLAY DEVICE AND OUTPUT BUFFER CIRCUIT FOR DRIVING THE SAME - Disclosed herein is a display device including: a plurality of pixel circuits; a power source line connected to corresponding ones of the plurality of pixel circuits; and an output buffer circuit for supplying currents to corresponding ones of the plurality of pixel circuits by alternately applying a first potential applied to a first power source supply terminal, and a second potential applied to a second power source supply terminal to the power source line. The output buffer includes a variable resistance circuit connected to a path between the first power source supply terminal and the power source line, the variable resistance circuit serving to change a resistance value thereof in accordance with a magnitude of a total sum of the currents. | 10-03-2013 |
20140043218 | DISPLAY DEVICE AND ELECTRONIC EQUIPMENT - A display device is disclosed. The display device includes: a pixel array unit and a driving unit which drives the pixel array unit. The pixel array unit includes rows of first scanning lines and second scanning lines, columns of signals, pixels in a matrix state arranged at portions where the scanning lines and the signal lines cross each other and power supply lines and ground lines supplying power to respective pixels. The driving unit includes a first scanner performing line-sequential scanning to pixels by each row by supplying a first control signal to each first scanning line sequentially, a second scanner supplying a second control signal to each second scanning line sequentially so as to correspond to the line-sequential scanning and a signal selector supplying a video signal to rows of signal lines so as to correspond to the line-sequential scanning. | 02-13-2014 |
20140049456 | DISPLAY DEVICE AND ELECTRONIC EQUIPMENT - A display device including: a pixel array section; power supply lines; and auxiliary electrodes, wherein each pixel has an auxiliary capacitance, and one of electrodes of the auxiliary capacitance is connected to the source electrode of the drive transistor, and another electrode is connected to the auxiliary electrode for the pixel. | 02-20-2014 |
20140049570 | DISPLAY APPARATUS AND DISPLAY-APPARATUS DRIVING METHOD - Disclosed herein is a driving method and display apparatus, the display apparatus including light emitting units, scan lines, data lines, a driving circuit provided for each of the light emitting units to serve as a circuit having a signal writing transistor, a device driving transistor, a capacitor and a first switch circuit, and a light emitting device. | 02-20-2014 |
20140125558 | IMAGE DISPLAY DEVICE, IMAGE DISPLAY METHOD, AND COMPUTER PROGRAM - An image display device which is used by being mounted on the head or face of a user includes a display unit which displays an image; an information maintaining unit which maintains user information of the user; a region specifying unit which specifies an attention region from a field of vision of the user based on the user information; an image processing unit which performs image processing with respect to the attention region; and a display control unit which displays the attention region after being subjected to the image processing on the display unit. | 05-08-2014 |
20140126782 | IMAGE DISPLAY APPARATUS, IMAGE DISPLAY METHOD, AND COMPUTER PROGRAM - An image display apparatus used while it is mounted on a user's head or facial area includes a display unit configured to display an inside image viewable from the user; an input unit configured to input an identification pattern from the user; a checking unit configured to check the identification pattern; and a control unit configured to control the image display apparatus on the basis of a result of the checking by the checking unit. | 05-08-2014 |
20140218273 | DISPLAY DEVICE AND ELECTRONIC EQUIPMENT - A display device includes a pixel array section, the pixel array section having pixels arranged in a matrix form, at least one of the pixels including an electro-optical element, a write transistor, a holding capacitance, a drive transistor, and a switching transistor. A write scan line is disposed for each pixel row of the pixel array section and adapted to convey a write signal to be applied to the gate electrode of the write transistor. The wiring structure of the write scan line does not intersect with the wiring pattern connected to the gate electrode of the drive transistor. | 08-07-2014 |
20140232761 | DISPLAY DEVICE AND OUTPUT BUFFER CIRCUIT FOR DRIVING THE SAME - Disclosed herein is a display device including: a plurality of pixel circuits; a power source line connected to corresponding ones of the plurality of pixel circuits; and an output buffer circuit for supplying currents to corresponding ones of the plurality of pixel circuits by alternately applying a first potential applied to a first power source supply terminal, and a second potential applied to a second power source supply terminal to the power source line. The output buffer includes a variable resistance circuit connected to a path between the first power source supply terminal and the power source line, the variable resistance circuit serving to change a resistance value thereof in accordance with a magnitude of a total sum of the currents. | 08-21-2014 |
20140240376 | DISPLAY APPARATUS AND DISPLAY-APPARATUS DRIVING METHOD - Disclosed herein is a driving method and display apparatus, the display apparatus including light emitting units, scan lines, data lines, a driving circuit provided for each of the light emitting units to serve as a circuit having a signal writing transistor, a device driving transistor, a capacitor and a first switch circuit, and a light emitting device. | 08-28-2014 |
20140253608 | DISPLAY DEVICE AND ELECTRONIC EQUIPMENT - A display device is disclosed. The display device includes: a pixel array unit and a driving unit which drives the pixel array unit. The pixel array unit includes rows of first scanning lines and second′ scanning lines, columns of signals, pixels in a matrix state arranged at portions where the scanning lines and the signal lines cross each other and power supply lines and ground lines supplying power to respective pixels. The driving unit includes a first scanner performing line-sequential scanning to pixels by each row by supplying a first control signal to each first scanning line sequentially, a second scanner supplying a second control signal to each second scanning line sequentially so as to correspond to the line-sequential scanning and a signal selector supplying a video signal to rows of signal lines so as to correspond to the line-sequential scanning. | 09-11-2014 |
20140285409 | DISPLAY DEVICE THAT SWITCHES LIGHT EMISSION STATES MULTIPLE TIMES DURING ONE FIELD PERIOD - A scan driving circuit includes a shift register unit and a logic circuit unit. The start of a start pulse of an output signal ST | 09-25-2014 |
20140361306 | DISPLAY DEVICE AND ELECTRONIC EQUIPMENT - A display device includes a pixel array section, the pixel array section having pixels arranged in a matrix form, at least one of the pixels including an electro-optical element, a write transistor, a capacitor, a drive transistor, and a switching transistor. A write scan line is disposed for each pixel row of the pixel array section and adapted to convey a write signal to be applied to a gate electrode of the write transistor. The wiring structure of the write scan line does not cross a wiring pattern connected to a gate electrode of the drive transistor. | 12-11-2014 |
20140362060 | DISPLAY DEVICE AND OUTPUT BUFFER CIRCUIT FOR DRIVING THE SAME - Disclosed herein is a display device including: a plurality of pixel circuits; a power source line connected to corresponding ones of the plurality of pixel circuits; and an output buffer circuit for supplying currents to corresponding ones of the plurality of pixel circuits by alternately applying a first potential applied to a first power source supply terminal, and a second potential applied to a second power source supply terminal to the power source line. The output buffer includes a variable resistance circuit connected to a path between the first power source supply terminal and the power source line, the variable resistance circuit serving to change a resistance value thereof in accordance with a magnitude of a total sum of the currents. | 12-11-2014 |
20140368413 | DISPLAY APPARATUS AND DRIVING METHOD THEREFOR - A display apparatus disclosed herein includes a plurality of pixel circuits each having a plurality of switches configured to receive a driving signal of a predetermined period and be controlled for opening and closing operation by the driving signal; and a drive circuit configured to control the open/closed state of the switches; the drive circuit being operable to scan the pixel circuits and open and close the switches in periods independent of each other. | 12-18-2014 |