An object of the present invention is to decrease the resistance of a power supply line, to suppress a voltage drop in the power supply line, and to prevent defective display. A connection terminal portion includes a plurality of connection teiiuinals The plurality of connection terminals is provided with a plurality of connection pads which is part of the connection terminal. The plurality of connection pads includes a first connection pad and a second connection pad having a line width different from that of the first connection pad. Pitches between the plurality of connection pads are equal to each other.

A light path control device and an electronic device including the light path control device, which reduce color shift at a side viewing angle, are provided. The light path control device can include a light path control layer including first, second and third light control layers, and a transparent base member coupled to the first light control layer or the third light control layer. The third light control layer can have a refractive index which is lower than a refractive index of the second light control layer. The light path control layer can include a first refractive surface disposed between the first light control layer and the third light control layer, and a second refractive surface and a third refractive surface disposed between the second light control layer and the third light control layer.

A display device includes a substrate including an opening area in a display area and a non-display area between the display area and the opening area; signal wires disposed in the non-display area to bypass the opening area, and at least one groove disposed between the signal wires.

The invention provides a GOA circuit and driving method therefor, and a display panel. The GOA circuit includes a GOA unit. The GOA unit includes a forward and reverse scan control module, a node signal control module, a voltage regulator module, an output control module, a first pull-down module, and a second pull-down module. When the second pull-down module is in operation, the forward and reverse scan control module controls the voltage regulator module to be in an off state, so that the GOA circuit has no transistor in the on state for a long time, thus to suppress threshold voltage drift in transistors.

The present disclosure provides a display panel and a display apparatus. The display panel includes a display substrate and a support layer one a side of the display substrate. The support layer has a patterned region. The display substrate further includes a spacer layer between the support layer and the display substrate. The spacer layer includes a first adhesive layer, a second adhesive layer and a base material layer between the first adhesive layer and the second adhesive layer. The first adhesive layer is adhered to the display substrate, and the second adhesive layer is adhered to the support layer.

A light-emitting device including a first substrate, a first active element, a barrier layer, a first photosensitive element, a flat layer, and a first light-emitting diode is provided. The first active element is on the first substrate. The barrier layer is on the first active element. The first photosensitive element is on the barrier layer. The flat layer is on the first photosensitive element, and the first photosensitive element is between the barrier layer and the flat layer. The first light-emitting diode is on the flat layer. The first light-emitting diode includes a first electrode, a light-emitting layer, and a second electrode. The first electrode is electrically connected to the first active element. The first photosensitive element is not completely shielded by the first electrode in a normal direction of the first substrate. The light-emitting layer is on the first electrode. The second electrode is on the light-emitting layer.

A light emitting display device includes a pixel circuit unit, a data distribution unit, a plurality of signal generating units, a unit light emitting diode, and a dummy opening. The pixel circuit unit is configured to generate an output current. The data distribution unit is configured to apply a data voltage to the pixel circuit unit through a data line. The plurality of signal generating units are respectively configured to apply a scan signal and a light emission control signal to the pixel circuit unit through a plurality of signal lines. The unit light emitting diode is configured to receive the output current of the pixel circuit unit and is attached to the pixel circuit unit. The dummy opening is formed in the region where the pixel circuit unit, the data distribution unit, and a plurality of signal generating units are not positioned.

Provided are a display panel and a manufacturing method thereof, and a display device. The display panel includes: a base substrate including a display area and a peripheral area including a first peripheral area, and an edge of the first peripheral area is of a first curvature greater than zero; a plurality of sub-pixels, data lines and gate lines; a gate driving circuit located at the display area and including multistage gate driving units, one or more stages include a first and a second gate driving sub circuit; a plurality of control signal lines, at least a part of at least one control signal line is of a second curvature greater than zero; a plurality of data signal input lines; and a multiplexing circuit including a plurality of multiplexing units, each of which is connected to the control signal lines, one data signal input line, and at least two data lines.

A driver circuit includes first to third transistors, a first circuit, and a second circuit. In the first transistor, a first terminal is electrically connected to a second wiring, a second terminal is electrically connected to a first wiring, and a gate is electrically connected to the second circuit and a first terminal of the third transistor. In the second transistor, a first terminal is electrically connected to the first wiring, a second terminal is electrically connected to a sixth wiring, a gate is electrically connected to the first circuit and a gate of the third transistor. A second terminal of the third transistor is electrically connected to the sixth wiring. The first circuit is electrically connected to a third wiring, a fourth wiring, a fifth wiring, and the sixth wiring. The second circuit is electrically connected to the first wiring, the second wiring, and the sixth wiring.

What is disclosed are systems and methods of compensation of images produced by active matrix light emitting diode device (AMOLED) and other emissive displays. The electrical output of a pixel is compared with a reference value to adjust an input for the pixel. In some embodiments an integrator is used to integrate a pixel current and a reference current using controlled integration times to generate values for comparison.