A solar cell includes elements, a connecting portion, and a transparent portion. The elements include first and second elements arrayed in a first direction. The transparent portion is located between the connecting portion and the second element. Each of the elements includes first and second electrode layers and a semiconductor layer interposed between the first and second electrode layers. Between the first element and the second element, their first electrode layers sandwich a first gap and their second electrode layers sandwich a second gap shifted in the first direction from the first gap. The connecting portion electrically connects the second electrode layer of the first element to the first electrode layer of the second element. The transparent portion is located between the second electrode layer of the first element and the first electrode layer of the second element at a position shifted in the first direction from the connecting portion.

A display panel includes a display area, and the display area includes a first display area and a second display area; the first display area and the second display area each include light-emitting areas, and the second display area further includes light transmissive areas. The manufacturing method includes forming, on a side of a substrate, a light-to-heat conversion layer covering at least a second display area; forming, on a side of the light-to-heat conversion layer facing away from the substrate, a light-emitting functional layer and a second electrode layer each covering the display area, where portions of the second electrode layer which are located in at least adjacent two light-emitting areas are connected; and removing, in at least part of the plurality of light transmissive areas, the light-to-heat conversion layer and all film layers located on a side of the light-to-heat conversion layer facing away from the substrate.

There provide an organic light emitting diode substrate and preparation method thereof and a display panel. The preparation method includes: forming a pixel defining layer which defines a pixel region and has a via hole on a base; forming an auxiliary electrode in the via hole; forming a capsule structure encapsulating a conductive liquid on the auxiliary electrode; expanding the capsule structure to be broken so as to enable the conductive liquid to form a connection electrode; and forming a first electrode covering the base, the first electrode being connected to the auxiliary electrode through the connection electrode. In the present disclosure, the connection electrode is formed through the capsule structure encapsulating the conductive liquid, so that the first electrode is connected to the auxiliary electrode through the connection electrode. The preparation process is simpler and the production cost is lower.

A method for manufacturing a light-emitting element includes forming a first light-emitting layer by applying a first quantum dot solution containing first quantum dots, forming a first resist layer by applying a first photosensitive resin composition onto the first light-emitting layer, exposing the first resist layer to light in a predetermined pattern, and performing a pattern formation of developing the first resist layer with a developing solution to form a patterned first resist layer, and processing the first light-emitting layer with a treatment liquid using the patterned first resist layer as a mask to form a patterned first light-emitting layer.

The present disclosure provides an OLED substrate and a manufacturing method thereof, a display device and a manufacturing method thereof, and belongs to the technical field of display technology. A manufacturing method for an OLED substrate of the present disclosure includes: forming, by a patterning process, a pattern including first electrodes of OLED devices and a pixel defining layer provided above the first electrodes above the base substrate, wherein the pixel defining layer includes a plurality of pixel partition walls spaced apart from each other, each of the pixel partition walls defines one of the first electrodes.

A manufacturing method of a display device includes inspecting a position and a height of a protrusion present in a formation region of a first flattened layer, selecting the protrusion having a height equal to or greater than a threshold value, and polishing the protrusion to make the height of the protrusion less than the thickness of the first flattened layer.

Programmable memory devices having a cross-point array of polymer junctions with individually-programmed conductances are provided. In one aspect, a method of forming a memory device includes: forming first metal lines on an insulating substrate; forming polymeric resistance elements on the first metal lines; and forming second metal lines over the polymeric resistance elements with a single one of the polymeric resistance elements present at each intersection of the first/second metal lines forming a cross-point array. A memory device and a method of operating a memory device are also provided.

Memory devices are provided having a cross-point array of polymer junctions with individually-programmed conductances that can be reset. In one aspect, a memory device is provided. The memory device includes: bottom metal lines; top metal lines; and polymer junctions in between the bottom metal lines and the top metal lines, wherein the polymer junctions include an organic polymer doped with a spiropyran and an acid. A method of forming and a method of operating the memory device are also provided.

Present invention concerns optical processing of materials comprising complex phase behaviour, such as perovskites for stabilizing the optically active phase of thin films of materials with complex phase behaviour, such as perovskites.

An organic electroluminescent device is provided, including a substrate and a composite anode structure disposed thereon, wherein the composite anode structure includes a lower metal oxide layer, a metallic silver layer and an upper metal oxide layer, wherein metallic silver at portions of a surface of the metallic silver layer which are not covered by the upper metal oxide due to defects of the upper metal oxide layer includes silver oxide. During the preparation of the organic electroluminescent device, the substrate is stored in the atmosphere for a long time while maintaining the performance of the substrate substantially unchanged, thereby improving the performance and the yield of the device.