A display panel module, organic light-emitting diode (OLED) display and method of driving the same are disclosed. In one aspect, the module includes a display panel divided into a first portion and a second portion and a plurality of scan and data lines divided into groups arranged in the first and second potions. The module further includes a first scan driver configured to sequentially apply scan signals to each of the first and second scan line groups. The first scan driver is further configured to substantially simultaneously apply the scan signals to corresponding scan lines of the first and second scan line groups. The module also includes a first data driver configured to output first data voltages to the first data line group and a second data driver configured to output second data voltages to the second data line group with the same timing as the first data driver.

A display device according to the present disclosure includes: a pixel array unit (30) in which pixel circuits (20A) are disposed in a matrix form, the pixel circuits each including a light emission unit (21), a write transistor (23) that writes a signal voltage (Vsig) of a video signal, a retention capacitor (24) that retains the signal voltage (Vsig) written by the write transistor (23), a drive transistor (22) that drives the light emission unit (21) on the basis of the signal voltage (Vsig) retained by the retention capacitor (24), and an auxiliary capacitor (25) of which one terminal is connected to a source node of the drive transistor (22); and a control unit (90) that provides a potential change to a source electrode of the drive transistor (22) by coupling through the auxiliary capacitor (25) to set an operation point of the drive transistor (22) as a cut-off region after the threshold value correction process.

A display device includes a display portion defining a display area and including a plurality of pixels, a scan driver disposed in a non-display area that is outside of the display area, and a plurality of scan connection lines. Each of the pixels is connected to a scan line from among a plurality of scan lines and a data line from among a plurality of data lines. The scan connection lines connect the scan driver to the scan lines. Each of the scan connection lines is connected to one of the scan lines through a contact hole disposed in at least one insulating layer, which is disposed between the scan lines and the scan connection lines in a cross-sectional view.

A display device includes a display portion defining a display area and including a plurality of pixels, a scan driver disposed in a non-display area that is outside of the display area, and a plurality of scan connection lines. Each of the pixels is connected to a scan line from among a plurality of scan lines and a data line from among a plurality of data lines. The scan connection lines connect the scan driver to the scan lines. Each of the scan connection lines is connected to one of the scan lines through a contact hole disposed in at least one insulating layer, which is disposed between the scan lines and the scan connection lines in a cross-sectional view.

A scan display system includes a picture receiving unit, a scan needle, a picture display screen having first and second opposing surfaces, and a driving unit. The picture receiving unit is configured to receive picture data and transmits the picture data to the scan needle. The driving unit is configured to perform a picture scanning process by moving the scan needle to scan in a horizontal direction relative to the first of the picture display screen at a predetermined frequency. The scan needle is configured to emit light, representative of the picture data, to the first surface of the picture display screen to project image lines, each image line being formed by the scan needle during the scan. The picture display screen is configured to receive the emitted light on the first surface and display an image comprising the image lines on the second surface.

A display device includes a substrate including a first pixel area and a second pixel area, wherein the second pixel area is located at a side of the first pixel area, first pixels located in the first pixel area and connected to first scan lines, and second pixels located in the second pixel area and connected to second scan lines, wherein the first pixels and the second pixels include pixel rows extending in a first direction, and at least one of the second scan lines is inclined with respect to the first direction.

A display control method includes: in response to a display area of a display device being divided into multiple display sub-areas, controlling outputs from the multiple display sub-areas at corresponding refresh rates. The refresh rates of different display sub-areas can be the same or different.

An image display apparatus includes a display screen on which pixel circuits are disposed in a matrix, each of which includes an EL element, a transistor connected to a first gate signal line, a transistor connected to a second gate signal line, and a driving transistor. A second gate signal line driving unit and a first gate signal line driving unit of a first gate driving circuit apply a control voltage to the first gate signal line and the second gate signal line, respectively. The second gate signal line driving unit of a second gate driving circuit applies a control voltage to the first gate signal line. An ON voltage, a first OFF voltage, and a second OFF voltage are sequentially applied to the first gate signal line. The ON voltage and the first OFF voltage are sequentially applied to the second gate signal line.

Disclosed are a display panel and a display device. The display panel includes: at least one group of gate driving signal lines, the gate driving signal lines starting from the driving chip bonding area and going around the display area after passing through the bending area; and at least two first driving voltage lines, the at least two first driving voltage lines respectively starting from the flexible printed circuit bonding area, going through the bending area after passing through two sides of the driving chip bonding area, and extending to be close to the display area, and the at least two first driving voltage lines are respectively at two sides of the at least one group of gate driving signal lines.

Provided are circuit for gate driving, a display module and a display device. The circuit includes N row-driving circuits arranged in cascade on an array substrate, which are to output the Nth gate driving signal when the signal input end receives the signal for gate driving output by the (N−1)th row-driving circuit, and to control the sub pixels at the Nth row to charge. An Nth auxiliary circuit receives the (N−1)th gate driving signal at the input end, its controlled end is connected with the pull-up control signal end of the Nth row-driving circuit, and its output end is connected with the output end for gate driving signal, the Nth auxiliary circuit is configured to charge the sub pixels at the Nth row, in response that both the (N−1)th gate driving signal from the input end and the (N−1)th pull-up control signal from the controlled end are at high level.