An inorganic EL element including: an anode; a hole transporting layer; a light emitting layer; an electron transporting layer; and a cathode, the anode, the hole transporting layer, the light emitting layer, the electron transporting layer, and the cathode being stacked, wherein the hole transporting layer is an oxide film, the light emitting layer is an oxide film, and the electron transporting layer is an oxide film.

Provided is a display driving circuit, which includes a pull-up control unit and a pull-up unit electrically connected to the pull-up control unit via a first node. The pull-up unit includes a capacitor and a first transistor. A first end of the capacitor is electrically connected to a clock signal input end and a second end of the capacitor is electrically connected to the first node. The gate of the first transistor is electrically connected to the first node, the source of the first transistor is electrically connected to the clock signal input end, the drain of the first transistor is electrically connected to a signal output end.

A pixel circuit for driving a light-emitting diode (LED) comprises a current-mirror, comprising a primary current path and a secondary current path, arranged to mirror a current through the primary current path to the secondary current path. The current through the primary current path is settable by switching a reference current into the primary current path through a reference current line. The secondary current path is configured to drive the LED. The pixel circuit also includes a switch component arranged to switch the LED to and from the secondary current path based on one or more switch control lines.

A pixel structure, a driving method and a display device are provided. The pixel structure includes a plurality of gate lines arranged in rows, a plurality of data lines arranged in columns, and a plurality of subpixel circuits arranged in an array form. Each subpixel circuit includes a subpixel and a switching element, the subpixel is electrically connected to one of the data lines via the switching element, a control electrode of the switching element is electrically connected to one of the gate lines, and the subpixels electrically connected to the same data line are in a same color.

A driver integrated circuit, including multiple output pads, multiple switching circuits, and multiple data channel circuits, is provided. The output pads and the switching circuits are arranged in a pad area of the driver integrated circuit. The output pads include a first output pad and a second output pad, and the switching circuits include a first switching circuit. A first selection terminal of the first switching circuit is coupled to the first output pad. A second selection terminal of the first switching circuit is coupled to the second output pad. The data channel circuits are arranged in a function circuit area of the driver integrated circuit. The data channel circuits include a first data channel circuit. An output terminal of the first data channel circuit is coupled to a common terminal of the first switching circuit.

Disclosed is a display device including a transistor showing extremely low off current. In order to reduce the off current, a semiconductor material whose band gap is greater than that of a silicon semiconductor is used for forming a transistor, and the concentration of an impurity which serves as a carrier donor of the semiconductor material is reduced. Specifically, an oxide semiconductor whose band gap is greater than or equal to 2 eV, preferably greater than or equal to 2.5 eV, more preferably greater than or equal to 3 eV is used for a semiconductor layer of a transistor, and the concentration of an impurity which serves as a carrier donor included is reduced. Consequently, the off current of the transistor per micrometer in channel width can be reduced to lower than 10 zA/μm at room temperature and lower than 100 zA/μm at 85° C.

A display device includes a first substrate, a wire pad in a pad area, first banks in a display area, electrodes on the first banks, a pad electrode base layer on the wire pad, having a greater width than the wire pad, and covering sides of the wire pad, a first insulating layer covering parts of the electrodes and part of the pad electrode base layer, light-emitting elements on the first insulating layer in the display area, respective ends of the light-emitting elements being on different electrodes, contact electrodes on the electrodes and contacting first ends of the light-emitting elements, and a pad electrode upper layer on the first insulating layer in the pad area and directly contacting the pad electrode base layer, wherein the pad electrode base layer includes the same material as the electrodes, and the pad electrode upper layer includes the same material as the contact electrodes.

There are provided methods for driving an electro-optic display having a plurality of display pixels, a such method includes receiving an image, converting the image into a YCbCr image; and processing the YCbCr image to generate a luma image. The method further includes calculating variations in a local area for the YCbCr image to obtain a variation map, and calculating an effect ratio map using the calculated variation.

Embodiments of the present disclosure are related to a gate circuit and a display device. By disposing a bootstrap capacitor between a Q1 node which is different from a Q node and an input terminal of a gate clock signal used for outputting a scan signal, a voltage level of the Q1 node can be maintained stably at an output timing of the scan signal. Thus, a driving state of a switching transistor which is controlled by the Q1 node and controls a QB node can be controlled stably, and thus a defect of refreshing of the QB node can be prevented and the scan signal can be output stably, thereby a reliability of the gate circuit can be improved.

A touch display device is disclosed. The touch display device includes a substrate, a scan line, a data line, a scan signal line, a thin film transistor, a touch signal line and a touch electrode. The scan line, the data line, the scan signal line, the thin film transistor, the touch signal line and the touch electrode are disposed on the substrate. An extending direction of the scan line is different from an extending direction of the data line, and the scan line and the data line are electrically connected to the thin film transistor. An extending direction of the scan signal line is different from the extending direction of the scan line, and the scan signal line is electrically connected to the scan line. The touch signal line is electrically connected to the touch electrode.