The present disclosure relates to a display panel and a manufacturing method thereof, and a display device. The display panel includes a plurality of pixel units. The pixel unit includes a red sub-pixel, a green sub-pixel and a blue sub-pixel. The red sub-pixel, the green sub-pixel and the blue sub-pixel each include a cathode, an electron transport layer, a quantum dot luminescent layer, a hole function layer and an anode that are stacked. The electron transport layer is made of Mg-doped ZnO nanoparticles, and a Mg doping concentration in the electron transport layer of the red sub-pixel, a Mg doping concentration in the electron transport layer of the green sub-pixel and a Mg doping concentration in the electron transport layer of the blue sub-pixel decrease successively.

Provided are a flexible OLED light-emitting module and a preparation therefor. The flexible OLED light-emitting module includes: a flexible substrate having a plurality of holes A, an OLED having a plurality of holes B, an encapsulation layer having a plurality of holes C, and an external circuit, where the holes A, B and C coincide to form through-holes penetrating the light-emitting module, and the OLED device has a common organic light-emitting layer. The new flexible OLED light-emitting module has good air permeability due to through-holes and thus can be used in various phototherapy devices so that the phototherapy devices not only have a large light-emitting area, but also have good air permeability and are suitable for long-term wearing. Further provided are a method for preparing the flexible OLED light-emitting module and a phototherapy device including the flexible OLED light-emitting module.

A display device, a display panel, and a manufacturing method therefor are provided. The display panel includes a flexible substrate, a display layer on one side of the flexible substrate, and an encapsulation layer covering a surface of the display layer away from the flexible substrate. The display layer has a stretching area provided with a plurality of pixel islands spaced apart and a through-hole. A blocking dam is in an area corresponding to the pixel island and surrounds a plurality of light-emitting units. The encapsulation layer includes an organic layer that is in the stretching area and confined within an annular area surrounded by the blocking dam.

For a display apparatus with a reduced defect rate and a method of manufacturing the display apparatus, the display apparatus includes: a pixel electrode; an opposite electrode disposed on the pixel electrode; and an intermediate layer disposed between the pixel electrode and the opposite electrode, wherein the pixel electrode includes: a reflective layer including a first metal; a transparent layer disposed on the reflective layer; and a first barrier layer disposed between the reflective layer and the transparent layer. The first barrier layer includes an oxide of a second metal different from the first metal.

The present disclosure relates to a display device comprising a spacer and a manufacturing method thereof. The display device according to an embodiment of the present disclosure includes a thin film transistor disposed on a substrate, a bank disposed on the thin film transistor, and a spacer structure assembly including at least two spacers disposed on the bank. A first separation distance between a first separator and a second separator, among the spacers, at a first area of the display device is different from a second separation distance between the first separator and the second separator at a second area of the display device.

According to one embodiment, a display device includes a first bottom electrode, a second bottom electrode, a first organic layer covering the first bottom electrode, a second organic layer covering the second bottom electrode, a first top electrode covering the first organic layer, a second top electrode covering the second organic layer, a first optical adjustment layer disposed on the first top electrode, a second optical adjustment layer disposed on the second top electrode, and a transparent conductive layer covering the first optical adjustment layer and the second optical adjustment layer, and being in contact with the first top electrode and the second top electrode.

An organic electroluminescent display device includes an auxiliary common voltage supply line disposed in a display area, and an auxiliary connection line interconnecting the auxiliary common voltage supply line and a cathode, in order to uniformly supply a common voltage to the display area, and the auxiliary connection line having a structure connectable to the cathode at an upper end of a spacer.

Provided is a display device which includes a substrate having a display area and a non-display area, and a plurality of pads disposed in the non-display area. Each of the pads includes a first electrode layer, a second electrode layer, a third electrode layer, a fourth electrode layer, and a fifth electrode layer which are sequentially disposed on the substrate, and the second electrode layer is in contact with the first electrode layer through a contact hole formed in one or more insulating layers.

An OLED display panel and a manufacturing method thereof, and an OLED display device are disclosed. The OLED display panel includes a base substrate; a first film layer and a second film layer, sequentially provided on the base substrate, a first via-hole penetrating through the first film layer being provided in the first film layer, a second via-hole penetrating through the second film layer being provided in the second film layer at a position corresponding to the first via-hole, the second via-hole being in communication with the first via-hole, and the first film layer and the second film layer form a first step at a position of the second via-hole; and a connection wire, provided in both the first via-hole and the second via-hole and overlying the first step.

An evaporating mask plate, an evaporating mask plate set and an evaporating system are provided. The evaporating mask plate includes a mask pattern plate. The evaporating mask pattern plate includes an evaporating area and a test area located around the evaporating area. The test area is provided with at least two test element groups located in different regions of the test area, and each test element group includes at least one test hole for alignment.