A pixel driving circuit includes a first thin film transistor having a double-gate structure, a conductive layer and a second thin film transistor. The first thin film transistor includes a first active layer. The first active layer includes a first and second semiconductor portions and a conductor portion located therebetween. The conductor portion has a first doping concentration. The conductive layer is at least partially opposite to the conductor portion, so that the conductive layer and the conductor portion form a capacitor. The conductive layer is configured to electrically connect to an initial voltage terminal. The second thin film transistor includes a second active layer and a first gate. A portion of the second active layer directly opposite to the first gate has a second doping concentration, and the second doping concentration is lower than the first doping concentration.

The present disclosure provides a substrate comprising a printing area, wherein the printing area comprises a flat surface and a plurality of separation structures projecting from the flat surface, wherein the plurality of separation structures divide the printing area into a plurality of micro-areas, and in each of the micro-areas, a circular region containing no separation structure has a maximum diameter between 5 μm and 10 μm. The present disclosure further provides a light emitting device comprising the substrate and a method for manufacturing the substrate.

A display substrate, including: a display region and a peripheral region located on the periphery of the display region. A scan driver circuit is disposed in the peripheral region. A plurality of sub-pixels, and a plurality of first signal lines that are connected to the scan driver circuit and extend in a first direction, are disposed in the display region. The display region includes: a substrate, and a semiconductor layer, a first conductive layer, a second conductive layer and a third conductive layer that are sequentially disposed on the substrate. The third conductive layer comprises: a plurality of first signal lines, and first electrodes and second electrodes of a plurality of transistors. An insulating layer between the third conductive layer and the first conductive layer is provided with first via holes.

A light-emitting device includes: a first electrode; a second electrode facing the first electrode; and an interlayer between the first electrode and the second electrode and including an emission layer, wherein the interlayer may include a layer including a metal oxide, and a surface of the layer including a metal oxide is an organic acid-treated surface.

A display device includes: a substrate including a display area including a first pixel area, a component area adjacent to the display area, and a non-display area adjacent to the display area, where the component area includes a second pixel area and a transmission area, and the non-display area includes a bending area; a first inorganic layer continuously arranged in the transmission area on the substrate, where a lower opening overlapping the bending area is defined through the first inorganic layer; a blocking layer on the first inorganic layer, a blocking layer opening overlapping the transmission area and an intermediate opening overlapping the lower opening are defined through the blocking layer; and a display element layer on the blocking layer, where the display element layer includes a first display element overlapping the first pixel area and a second display element overlapping the second pixel area.

A method of manufacturing a display device includes forming a color filter layer (CFL), and forming a light control layer (LCL) on the CFL. Forming the LCL includes: forming, on the CFL, preliminary partition parts (PPPs) spaced apart from each other; forming a preliminary light control part (PLCP) by providing a quantum dot (QD) solution between the PPPs, the QD solution including a QD and a base resin; forming a light control part (LCP) by volatilizing the base resin from the PLCP; and forming partition parts by reducing a thickness of the PPPs. A ratio between a first weight ratio (WR) of the QD in the PLCP and a second WR of the QD in the LCP is about 1:1.1 to about 1:3.0. The first WR is a WR of the QD in the entire PLCP, and the second WR is a WR of the QD in the entire LCP.

The present application provides a display substrate having a plurality of subpixel areas. The display substrate includes a base substrate; a first electrode layer on the base substrate and including a plurality of first electrodes respectively in the plurality of subpixel areas; an auxiliary electrode layer; and an insulating layer between the first electrode layer and the auxiliary electrode layer. The first electrode layer and the auxiliary electrode layer are spaced apart and insulated from each other by the insulating layer. An orthographic projection of each individual one of the plurality of first electrodes on the base substrate at least partially overlap with an orthographic projection of the auxiliary electrode layer on the base substrate. Each of the plurality of first electrodes is electrically connected to a pixel circuit configured to drive light emission in a respective one of the plurality of subpixel areas.

The present disclosure relates to an array substrate, a display device, and a method for fabricating an array substrate. The array substrate includes a pixel defining layer on the dielectric layer, the pixel defining layer defining a plurality of pixel regions of the array substrate, and light emitting device on the dielectric layer and in the plurality of pixel regions. The device includes a first electrode, a light emitting layer, and a second electrode sequentially disposed from bottom to top. At least one of the plurality of pixel regions has a non-light emitting region adjacent to the pixel defining layer. The dielectric layer in the non-light emitting region has a groove. The array substrate further includes a light shielding portion located in the non-light emitting region and extending into the groove.

A display panel, a manufacturing method thereof, and a display device are disclosed. The display panel includes: a base substrate, provided with a terminal and a terminal protection layer pattern; the terminal protection layer pattern includes a first shielding region and a first opening region, an orthographic projection of the first shielding region on the base substrate and an orthographic projection of the terminal on the base substrate have an overlapping region, the overlapping region is located at an edge of the orthographic projection of the terminal on the base substrate, and an orthographic projection of the first opening region on the base substrate is located in the orthographic projection of the terminal on the base substrate.

Disclosed are an array substrate and a manufacturing method thereof, a display panel, a display device and a pixel driving circuit. The array substrate includes: a base substrate; and a wiring layer and an effective light-emitting layer formed and stacked on the base substrate sequentially, wherein the wiring layer includes a first wiring and a second wiring, an orthographic projection of the first wiring on the base substrate overlaps an orthographic projection of the effective light-emitting layer on the base substrate to form a first overlapping area, an orthographic projection of the second wring on the base substrate overlaps the orthographic projection of the effective light-emitting layer on the base substrate to form a second overlapping area, and the first overlapping area and the second overlapping area are respectively located on both sides of a central line of the orthographic projection of the effective light-emitting layer on the base substrate.