Disclosed are a signal processing device and an image display apparatus including the same. The signal processing device of an embodiment of the present disclosure includes: a quality calculator configured to calculate an source quality of an image signal received from an external settop box or a network; an image quality setter configured to set an image quality of the image signal based on the calculated source quality; and an image quality processor configured to perform image quality processing on the image signal based on the set image quality, wherein in response to the source quality of the received image signal being changed at a first time point, the image quality setter changes an image quality setting sequentially from a first setting to a second setting; and based on the image quality setting, the image quality processor performs image quality processing. Accordingly, flicker may be reduced when an image quality is changed due to a change in the source quality of the received image signal.

Disclosed are a pixel circuit and a driving method thereof, an array substrate and a display apparatus. The pixel circuit includes a pixel sub-circuit. The pixel sub-circuit includes a first adjusting circuit and a second adjusting circuit. The first adjusting circuit is configured to receive a first data signal and a light emitting control signal to control a magnitude of a driving current used for driving a light emitting element to emit light; the second adjusting circuit is configured to receive a second data signal and a time control signal to control a time duration in which the driving current is applied to the light emitting element; and the time control signal changes within a time period during which the light emitting control signal allows the driving current to be generated. The pixel circuit can control the time duration in which the driving current is applied to the light emitting element, so that the light emitting element can realize display of various grayscales by controlling the light emitting time of the light emitting element, on the premise that the light emitting element operates at a relatively high current density.

This application discloses a display panel, a driving method thereof and a display apparatus. The display panel includes a substrate, the substrate being provided with a plurality of data lines, a plurality of gate lines, and a plurality of pixel units; and a gate driver chip, where each pixel unit includes subpixels of different colors; the gate driver chip outputs gate enabling signals to the gate lines to turn on the pixel units; and each row of pixel units includes a plurality of pixel groups, each pixel group includes a first column of subpixels and a second column of subpixels and a voltage of a gate enabling signal of the first column of subpixels is greater than that of a gate enabling signal corresponding to the second column of subpixels.

A picture element for a display device includes a first and a second supply connection, a light-emitting semiconductor device arranged between the first and the second supply terminal, and a comparison unit having a first and a second input and an output. The comparison unit is configured to adjust a voltage at the output in dependence on a comparison of a voltage applied to the first input and a voltage applied to the second input. The picture element also includes a supply switch-configured to control a current flow between the first and the second supply terminal via the light-emitting semiconductor device depending on the voltage applied at the output of the comparison unit. The picture element further includes a selection input, a data input, a memory element and a control switch.

The present disclosure provides a signal generation circuit, a signal generation method, a signal generation module and a display device. The signal generating circuit includes an input terminal, a signal output terminal, a transmission control circuit, a first output circuit, and an output control circuit; the output control circuit is electrically connected to a first output control terminal, a second output control terminal, a second voltage terminal, the signal writing-in terminal, the signal output terminal and the first voltage terminal, configured to control to connect the signal writing-in terminal and the second voltage terminal under the control of a second output control signal provided by the second output control terminal, and control to connect the signal output terminal and the first voltage terminal under the control of a first output control signal provided by the first output control terminal. The present disclosure expands an adjustment range of frequency of a PWM signal.

A display apparatus is disclosed that comprises a display panel. The display panel includes a display region that includes a first display area and a second display area. A data driver is configured to provide a data voltage to the display region. A gate driver is configured to provide a compensation gate signal and an initialization gate signal to the display region. The gate driver includes a first stage and a second stage. A driving controller is configured to control the gate driver and the data driver. The driving controller is configured to determine a first driving frequency for the first display area and a second driving frequency for the second display area. The second stage is configured to provide the compensation gate signal having a pulse duration shorter than a pulse duration of the compensation gate signal provided to the display region by the first stage.

A display device includes a first scan line to receive a first scan signal, a second scan line to receive a second scan signal, a sweep signal line to receive a sweep signal, a first data line to receive a first data voltage, a second data line to receive a second data voltage, and a sub-pixel connected to the first scan line, the second scan line, the sweep signal line, the first data line, and the second data line. The sub-pixel includes a light emitting element, a first pixel driver configured to generate a control current according to the first data voltage of the first data line, and a second pixel driver configured to generate a driving current applied to the light emitting element according to the second data voltage of the second data line.

A digital-analog converter of the disclosure converts digital image data to generate analog data signals. The digital-analog converter includes a voltage divider which generates a plurality of gamma reference voltages based on a first reference voltage and a second reference voltage; a global ramp including a plurality of gamma decoders which generates a plurality of global gamma voltages based on the gamma reference voltages; a decoder which selects one of the global gamma voltages according to the digital image data to generate the analog data signals; and a ramp controller which turns off at least some of the gamma decoders based on the digital image data.

A electroluminescence display device includes a pixel including a selection transistor, a driving transistor, and an EL element, a scanning signal line electrically connected with a gate of the selection transistor, a data signal line electrically connected with a source of the selection transistor, and a carrier injection amount control signal line applying a voltage to the EL element. The EL element includes a first electrode, a third electrode, a first insulating layer between the first electrode and the third electrode, an electron transfer layer between the first insulating layer and the third electrode, a light emitting layer containing an electroluminescence material between the electron transfer layer and the third electrode, and a second electrode located outer to a region where the first electrode, the first insulating layer, the electron transfer layer and the third electrode overlap each other, the second electrode being in contact with the electron transfer layer.

A method provided by the present application comprises: obtaining a number n of rows of pixel units to be precharged; controlling a scanning driving chip to sequentially output n first scanning enable signals to a scanning driving circuit according to the number n of rows; and outputting a second scanning enable signal to the scanning driving circuit, so that the scanning driving circuit is controlled to output a second scanning signal to the pixel units of the n-th row to charge the pixel units of the n-th row.