G09G2300/0871

DISPLAY APPARATUS AND ELECTRONIC DEVICE
20230197004 · 2023-06-22 ·

A display apparatus having high display quality is provided. The display apparatus includes a pixel and a circuit. The pixel includes a light-emitting device, a driving transistor, a first switch, a second switch, and a first capacitor. The circuit includes a third switch, a fourth switch, a fifth switch, and a second capacitor. A first terminal of the first switch is electrically connected to a first terminal of the first capacitor, one of a source and a drain of the driving transistor, and an anode of the light-emitting device. A gate of the driving transistor is electrically connected to a first terminal of the second switch and a second terminal of the first capacitor. A second terminal of the first switch is electrically connected to a first terminal of the third switch and a first terminal of the second capacitor. A second terminal of the second capacitor is electrically connected to a first terminal of the fourth switch and a first terminal of the fifth switch.

Method of driving display panel and display apparatus for performing the same
09837032 · 2017-12-05 · ·

A method of driving a display panel includes outputting a gate signal to a gate line of the display panel in response to a first control signal and outputting a data voltage to a data line of the display panel in response to a second control signal using a plurality of data output blocks having driving timings different from one another. A single driving chip includes the plurality of data output blocks.

Display apparatus and method of driving the same
09812062 · 2017-11-07 · ·

A display apparatus includes pixels connected to scan lines, data lines, and emission control lines. Each include includes an organic light-emitting diode (OLED), a first transistor to transfer driving current to the OLED based on a data signal, a second transistor to transfer the data signal to the first transistor based on a first scan signal having a gate-on voltage level during a data writing period, a first capacitor connected between a gate electrode of the first transistor and a first power source, and a second capacitor connected between a drain electrode of the first transistor and the first power source.

ORGANIC LIGHT-EMITTING DIODE DISPLAY DEVICE AND METHOD OF DRIVING THE SAME
20170337875 · 2017-11-23 · ·

Discussed herein are an OLED display device and a method of driving the same. The OLED display device includes according to an embodiment an organic light-emitting diode; a driving transistor involved in driving the organic light-emitting diode and including a bottom gate electrode, an oxide semiconductor layer, a source electrode, a drain electrode and a top gate electrode; a first switching transistor electrically connected to the bottom gate electrode of the driving transistor and involved in transmitting a data voltage to control the driving transistor; a storage capacitor electrically connected to the bottom gate electrode and involved in charging the data voltage; a second switching transistor configured to store a threshold voltage in the storage capacitor; a compensating transistor directly connected to the top gate electrode of the driving transistor to compensate for a deviation in the threshold voltage of the driving transistor; and a compensating capacitor disposed between the source electrode of the driving transistor and a source electrode of the compensating transistor and storing the threshold voltage therein.

DRIVE CIRCUIT AND DRIVE METHOD THEREOF, DISPLAY SUBSTRATE AND DRIVE METHOD THEREOF, AND DISPLAY DEVICE
20170294161 · 2017-10-12 ·

Embodiments of the present disclosure provide a drive circuit and a drive method thereof, a display substrate and a drive method thereof, and a display device. The drive circuit comprises a conversion unit provided with a first input terminal, a second input terminal, a third input terminal, a fourth input terminal, and an output terminal, wherein the fourth input terminal is connected to a direct current power source, and wherein the output terminal is connected to a pixel circuit. The first input terminal is configured to input a voltage signal, the second input terminal is configured to input a first drive signal, the third input terminal is configured to input a second drive signal, and the output terminal is configured to output a current signal. The conversion unit converts the voltage signal output from the source drive unit into the current signal and the pixel circuit is driven by the current signal.

Driving Circuit and Driving Method Thereof, Touch Display Panel, and Touch Display Device

Provided are a driving circuit and a driving method thereof, a touch display panel, and a touch display device. The first input terminal of the delay unit is connected to corresponding previous gate driver, the first output terminal of the delay unit is connected to corresponding subsequent gate driver. The delay unit outputs a starting signal to the subsequent gate driver for enabling it after a predetermined time elapses since the previous gate driver outputs a driving signal. The delay unit achieves shift registering between the previous gate driver and the subsequent gate driver, to form a touch-control time period after the previous gate driver outputs a driving signal and before the subsequent gate driver is enabled, so as to ensure that the touch display panel can also achieve a touch-control function with high precision on the premise of achieving a display function of high resolution.

SCAN DRIVER AND RELATED DISPLAY APPARATUS
20170287404 · 2017-10-05 ·

A scan driver may include a first stage, a second stage, and a third stage. The first stage may include a first output transistor. The first output transistor may have a first buffer value. The second stage may be electrically connected to the first output transistor and may include a second output transistor. The second output transistor may have a second buffer value. The third stage may be electrically connected to the second output transistor and may include a third output transistor. The third output transistor may have a third buffer value. At least one of the second buffer value and the third buffer value may be unequal to the first buffer value.

DRIVING CIRCUIT OF DISPLAY PANEL AND DISPLAY APPARATUS USING THE SAME
20170287379 · 2017-10-05 ·

A driving circuit of a display panel and a display apparatus using the same are provided. The driving circuit includes a shift register, a latch, a level shifter, a current source and a charge switch. The shift register receives a trigger signal to provide a data latch signal. The latch couples to the shift register, and receives a gray-level data to latch and output the gray-level data according to the data latch signal. The level shifter couples to the latch and provides a charge switch signal according to the gray-level data. The current source provides a charge current. The charge switch couples between the current source and a pixel of the display panel, and receives the charge switch signal to determine whether the current source is coupled to the pixel according to the charge switch signal.

DRIVE METHOD FOR DISPLAY DEVICE AND DISPLAY DEVICE
20170278461 · 2017-09-28 · ·

There is provided a drive method for a display device in which a plurality of pixel circuits are disposed in rows and columns, each of the plurality of pixel circuits including a light emitter that emits light in an amount according to a magnitude of a current supplied, and a drive transistor that supplies a current according to a magnitude of a video signal to the light emitter. The drive method includes applying an initialization voltage across a gate and a source of the drive transistor by an initialization voltage adjustment unit in an initialization period for initializing the drive transistor, the initialization voltage being higher than a threshold voltage of the drive transistor and according to a state of deterioration of the drive transistor.

Organic Light-Emitting Display Panel And Driving Method Thereof, And Organic Light-Emitting Display Device
20170278462 · 2017-09-28 ·

The present application discloses an organic light-emitting display panel, and a driving method for the display. The organic light-emitting display panel comprises a plurality of pixel driving circuits, each of the pixel driving circuits comprises a first voltage terminal, a second voltage terminal, a scanning signal terminal, a data signal terminal, a first control signal terminal, a second control signal terminal, a potential collecting terminal, a driving module, an organic light-emitting device, a luminance control module, a data write module, and a potential collecting module. The driving module is configured to drive the organic light-emitting device to emit light under control of the control terminal based on voltage provided by the first voltage terminal. The method therefore mitigates a threshold voltage drift in advanced organic light-emitting display panel technology.