Abstract: A display panel includes a first defining layer, a first recessed layer, a flat layer, and a pixel unit layer that are laminated on a base substrate in sequence. The pixel unit layer includes a plurality of sub-pixels. The first defining layer defines one or more defining regions on the base substrate, and the one or more defining regions corresponding to part or all of the plurality of sub-pixels. A surface of the first recessed layer in each defining region is recessed.

Abstract: Disclosed are a display substrate and a display device. A display region and a peripheral region are included. The peripheral region includes a plurality of shift registers and a plurality of clock signal lines. The plurality of clock signal lines are arranged side by side in a first direction and include a first clock signal line to a Zth clock signal line, Z?1. The shift registers are connected with gate lines in the display region and the first clock signal line to the Zth clock signal line respectively. There is at least a group of ith clock signal lines satisfying that the ith clock signal lines include X ith clock signal lines which are arranged one by one according to a sequence of connection with shift registers and further include N ith clock signal lines.

Abstract: The present disclosure relates to an OLED display substrate including a base substrate, a thin film transistor array layer and a planarization layer on the base substrate, and an anode, a pixel definition layer, a cathode, and a light emitting layer on a side of the planarization layer away from the base substrate, the pixel definition layer defining pixel regions, the light emitting layer being located on a side of the pixel definition layer away from the base substrate. The display substrate further includes a light guide that is in contact with the light emitting layer and is used to lead out light from the light emitting layer, so as to test the led-out light and adjust light emission.

Abstract: A method of fabricating an array substrate is provided. The method includes providing a substrate including a gate pad configured to bond a gate driving integrated circuit, a data pad configured to bond a data driving integrated circuit, and a plurality of peripheral layout gate (PLG) proto-lines connecting the gate pad and the data pad; forming a PLG testing pad on the substrate; forming a shorting bar connecting the PLG testing pad to first terminals of the plurality of PLG proto-lines; forming a plurality of testing pins respectively connected to second terminals of the plurality of PLG proto-lines, wherein the plurality of testing pins are formed in a first dummy region of the substrate, the first dummy region is adjacent to an array substrate region of the substrate; and connecting the plurality of testing pins to a probe unit to test connectivity of the plurality of PLG proto-lines.

Abstract: A manufacturing method of an OLED display panel is provided. At least one of a electroluminescent material layer and a second electrode layer is formed such that a thickness of the second electrode layer in a light emitting region of the OLED display panel is less than that of the second electrode layer in a non-light emitting region of the OLED display panel. The method includes applying charges of a first conductivity type to a layer structure located below a to-be-formed layer and in the light emitting region, applying charges of the first conductivity type to a material of the to-be-formed layer, and applying the material of the to-be-formed layer having the charges of the first conductivity type to the layer structure to form the to-be-formed layer. An OLED display panel manufactured by the above method and an electronic device are further provided.

Abstract: A display panel and a manufacturing method thereof, and a display device are disclosed. The display panel includes: a substrate, a plurality of pixel units and a pixel defining layer, each of at least one of the pixel units comprises an organic functional layer, and the organic functional layer has a raised edge; an orthographic projection of the organic functional layer of each pixel unit on the substrate is surrounded by an orthographic projection of the second defining layer on the substrate, an orthographic projection of the first defining layer on the substrate covers the orthographic projection of the second defining layer on the substrate, and the orthographic projection of the first defining layer on the substrate overlaps with an orthographic projection of at least a portion of the raised edge on the substrate the brightness uniformity of the display panel may be improved.

Abstract: The present disclosure is related to a method of manufacturing an array substrate. The method of manufacturing an array substrate may include forming an auxiliary cathode on a base substrate, forming a layer of magnetic material on a first surface of the auxiliary cathode, forming an emission layer in a display area of the array substrate, a part of the emission layer on the layer of the magnetic material on the first surface of the auxiliary cathode, and removing the part of the emission layer and the layer of magnetic material from the first surface of the auxiliary cathode.

Abstract: Disclosed are a display substrate and a display device. A display region and a peripheral region are included. The peripheral region includes a plurality of shift registers and a plurality of clock signal lines. The plurality of clock signal lines are arranged side by side in a first direction and include a first clock signal line to a Zth clock signal line, Z?1. The shift registers are connected with gate lines in the display region and the first clock signal line to the Zth clock signal line respectively. There is at least a group of ith clock signal lines satisfying that the ith clock signal lines include X ith clock signal lines which are arranged one by one according to a sequence of connection with shift registers and further include N ith clock signal lines.

Abstract: A display substrate, a preparation method and a repair method thereof, and a display apparatus. The display substrate includes a driver circuit layer and an emissive structure layer overlappingly disposed on a base, the driver circuit layer including a drive transistor, an auxiliary cathode wire and a repair electrode, an anode of the emissive structure layer being connected to a drain electrode of the drive transistor, a cathode of the emissive structure layer being connected to the auxiliary cathode wire, and the repair electrode being configured so as to connect the drain electrode of the drive transistor and the auxiliary cathode wire when repairing a bright spot defect.

Abstract: A method for manufacturing a display panel, a display panel, and a display device. The display panel includes a first substrate and a second substrate arranged opposite to each other, the first substrate includes a first base substrate and a base film layer arranged on a side of the first base substrate close to the second substrate; a surface of the base film layer close to the second substrate is provided with a plurality of concave mirror structures, the second substrate includes a second base substrate and a plurality of light-emitting units arranged on a side of the second base substrate close to the first substrate, and each of the light-emitting units is located at a focal position of a corresponding concave mirror structure of the concave mirror structures.

Abstract: Disclosed in embodiments of the present disclosure are a display panel, a preparation method thereof, and a display device. A display panel having a display area and a non-display area includes: a base substrate; an auxiliary electrode in the non-display area; a passivation layer disposed on a side of the auxiliary electrode facing away from the base substrate, having a first opening in the non-display area, in the first opening, an accommodating space is formed between the passivation layer and the auxiliary electrode, the accommodating space exposes part of the auxiliary electrode; an orthographic projection of the passivation layer on the base substrate covers an orthographic projection of the accommodating space on the base substrate; a cathode layer disposed on a side of the passivation layer facing away from the base substrate, having a connecting portion in the accommodating space, the connecting portion being connected to the auxiliary electrode.

Abstract: Disclosed is a display substrate and a display apparatus, the display substrate includes a display area and a peripheral area, wherein the display substrate includes M groups of shift registers and N groups of clock signal lines in the peripheral area, M is greater than or equal to N, M and N are positive integers, each group of shift registers is connected with a group of gate lines positioned in the display area, and adjacent N groups of shift registers are connected with N groups of clock signal lines one by one correspondingly. The N groups of clock signal lines are disposed side by side along a first direction, and configured to make, through an adjustment of a wiring sequence, an impedance difference between two groups of clock signal lines connected to any two adjacent groups of shift registers be less than or equal to an impedance threshold value.

Abstract: In one embodiment, there is provided a method of manufacturing an organic layer. The method includes: forming an organic material solution layer on a substrate; and heating, by a directional heat source assembly, at least a first portion of organic material solution of the organic material solution layer that is inside a to-be-treated area of the substrate, to increase an evaporation rate of the first portion of the organic material solution, whereby, reducing a thickness difference, due to different evaporation rates of the first portion of the organic material solution and a second portion of the organic material solution of the organic material solution layer that is outside the to-be-treated area of the substrate, of the organic layer that is cured from the organic material solution layer.

Abstract: A display panel includes a first defining layer, a first recessed layer, a flat layer, and a pixel unit layer that are laminated on a base substrate in sequence. The pixel unit layer includes a plurality of sub-pixels. The first defining layer defines one or more defining regions on the base substrate, and the one or more defining regions corresponding to part or all of the plurality of sub-pixels. A surface of the first recessed layer in each defining region is recessed.

Abstract: A light-emitting panel and its manufacturing method are provided. The light-emitting panel includes a backboard, an electroluminescence device and an adhesive layer that are sequentially laminated; the light-emitting panel further includes a convex lens array, which includes a plurality of convex lenses on a side of the adhesive layer close to the electroluminescence device. A light-emitting surface of the electroluminescence device faces the adhesive layer, and the plurality of convex lenses included by the convex lens array protrude toward the adhesive layer.

Abstract: The present disclosure is related to a method of manufacturing an array substrate. The method of manufacturing an array substrate may include forming an auxiliary cathode on a base substrate, forming a layer of magnetic material on a first surface of the auxiliary cathode, forming an emission layer in a display area of the array substrate, a part of the emission layer on the layer of the magnetic material on the first surface of the auxiliary cathode, and removing the part of the emission layer and the layer of magnetic material from the first surface of the auxiliary cathode.

Abstract: A display panel and a manufacturing method thereof, and a display device are disclosed. The display panel includes: a substrate, a plurality of pixel units and a pixel defining layer, each of at least one of the pixel units comprises an organic functional layer, and the organic functional layer has a raised edge; an orthographic projection of the organic functional layer of each pixel unit on the substrate is surrounded by an orthographic projection of the second defining layer on the substrate, an orthographic projection of the first defining layer on the substrate covers the orthographic projection of the second defining layer on the substrate, and the orthographic projection of the first defining layer on the substrate overlaps with an orthographic projection of at least a portion of the raised edge on the substrate the brightness uniformity of the display panel may be improved.

Abstract: Disclosed is a display substrate and a display apparatus, the display substrate includes a display area and a peripheral area, wherein the display substrate includes M groups of shift registers and N groups of clock signal lines in the peripheral area, M is greater than or equal to N, M and N are positive integers, each group of shift registers is connected with a group of gate lines positioned in the display area, and adjacent N groups of shift registers are connected with N groups of clock signal lines one by one correspondingly. The N groups of clock signal lines are disposed side by side along a first direction, and configured to make, through an adjustment of a wiring sequence, an impedance difference between two groups of clock signal lines connected to any two adjacent groups of shift registers be less than or equal to an impedance threshold value.

Abstract: The present disclosure provides a display panel, a manufacturing method of the display panel, and a display device. The manufacturing method includes: forming an auxiliary cathode layer; forming at least one tip structure on the auxiliary cathode layer; forming a main cathode layer, wherein the at least one tip structure is between the auxiliary cathode layer and the main cathode layer; and forming at least one connection between the main cathode layer and the auxiliary cathode layer by discharging at the at least one tip structure, wherein the at least one connection is electrically connected to the main cathode layer and the auxiliary cathode layer respectively.

Abstract: The present disclosure relates to an OLED display substrate including a base substrate, a thin film transistor array layer and a planarization layer on the base substrate, and an anode, a pixel definition layer, a cathode, and a light emitting layer on a side of the planarization layer away from the base substrate, the pixel definition layer defining pixel regions, the light emitting layer being located on a side of the pixel definition layer away from the base substrate. The display substrate further includes a light guide that is in contact with the light emitting layer and is used to lead out light from the light emitting layer, so as to test the led-out light and adjust light emission.