The disclosure provides an organic electroluminescent display device, including a substrate, an organic electroluminescent device disposed on the substrate, and a thin film packaging structure disposed on the substrate and packaging the organic electroluminescent device. The thin film packaging structure has desiccant particles. The disclosure further provides a manufacturing method of the organic electroluminescent display device, which can reduce the influence of vapor attached on surfaces of multiple layers of packaging thin films or infiltrated in the multiple layers of packaging thin films on the packaged organic electroluminescent device, so as to prolong the service life of the organic electroluminescent device.

This application relates to an OLED device, a manufacturing method thereof, and a display device. The OLED device includes a light emitting unit between an anode and a cathode. The light-emitting unit includes: a first carrier function layer for migration of first carriers, the first carrier function layer including a first material layer; a second carrier function layer for migration of second carriers having a polarity different from that of the first carriers, the second carrier function layer including a second material layer; a light emitting layer between the first material layer and the second material layer, the light emitting layer including a luminescent material; a first buffer layer between the light emitting layer and the first material layer. The first buffer layer is a mixed layer containing the luminescent material and the first material.

The present disclosure relates to an OLED display panel and a manufacturing method of the same. The OLED panel includes an anode, a hole injection layer, a hole transport layer, a light-emitting layer, an electron transport layer and a cathode disposed on a substrate. The anode transporting holes to the hole injection layer, the holes penetrating the hole injection layer into the hole transport layer, the cathode transporting electrons to the electron transport layer. The electrons pass through the electron transport layer and enter the light-emitting layer. Magnetic particles are provided in the light-emitting layer and generate a magnetic field on the barrier layer where the hole transport layer and the light-emitting layer intersect to change trajectories of electrons and holes that fail to normally enter the barrier layer and rebound, moving it again to the blocking layer for bonding, thereby increasing the internal quantum efficiency of the OLED assembly.

The present disclosure provides a method for manufacturing a flexible base plate of an OLED display panel, comprising following steps: a step S10 of providing a glass substrate; a step S20 of forming a first polyimide layer on the surface of the glass substrate; and a step S30 of forming a buffer layer on a surface of the first polyimide layer; wherein the step S30 comprises: a step S301 of forming a silicon oxide layer on a surface of the first polyimide layer; and a step S302 of using ion implantation to implant a plurality of titanium ions into the silicon oxide layer for forming a mixed layer of titanium dioxide and silicon oxide.

Embodiments of the present disclosure provide an OLED, a method for manufacturing the same, a display substrate and a display device. The OLED includes: a reflective electrode, an organic light-emitting layer, a translucent electrode, and a light extraction layer located on a side of the translucent electrode away from the organic light-emitting layer and being in contact with the translucent electrode, which are arranged in sequence, wherein the light extraction layer is of a single layer structure and has a refractive index that decreases along a light-emitting direction, the light-emitting direction is a direction of the light extraction layer away from the organic light-emitting layer, and wherein a refractive index of the light extraction layer on a side in contact with the translucent electrode is greater than the refractive index of the translucent electrode.

A flexible display panel and a display device are provided. The flexible display panel includes a flexible substrate, and an inorganic film layer located on the flexible substrate. The inorganic film layer includes a first portion and a second portion. The first portion is connected with the second portion, and the first portion has a first thickness T1. Further, the second portion has a second thickness T2, and T1<T2, and the first portion includes at least one first sub-portion and at least one second sub-portion. The first sub-portion is smoothly connected with the second sub-portion at a boundary line extending in a first direction, and from the boundary line, a dimension of the second sub-portion in the first direction gradually changes in a direction away from the first sub-portion.

A light emitting diode device and a manufacturing method thereof, a display panel, and a display apparatus are provided. The light emitting diode device includes a quantum dot light emitting layer and a hole transport layer on a side of the quantum dot light emitting layer. The hole transport layer includes a perovskite material and an organic hole transport material. The high carrier mobility of the perovskite material can improve the carrier transport performance of the hole transport layer.

The present disclosure provides an organic light-emitting diode, a method of manufacturing the same, and an organic light-emitting diode display apparatus. The organic light-emitting diode includes an anode; a hole injection layer; a hole transport layer; an electron blocking layer; an organic luminescent layer; a hole blocking layer; an electron transport layer; and a cathode, wherein a first composite layer is provided between the electron blocking layer and the organic luminescent layer, and the first composite layer includes a material of the electron blocking layer and a host material of the organic luminescent layer.

The present disclosure provides an organic electroluminescent device and a manufacturing method thereof. The organic electroluminescent device includes an anode, an electron transport layer and a cathode. The material of the electron transport layer includes a mixture of a first electron transport material and a second electron transport material, the lowest unoccupied molecular orbital energy level of the first electron transport material is higher than that of the second electron transport material, and the ratio of the first electron transport material to the second electron transport material first decreases and then increases in the direction from the cathode to the anode.

Methods for forming an OLED device are described. An encapsulation structure having organic buffer layer and an interface layer disposed on the organic buffer layer sandwiched between barrier layers is deposited over an OLED structure. In one example, an OLED device includes a first barrier layer disposed on a region of a substrate having an OLED structure disposed thereon, a fluorinated buffer layer including a polymer material containing fluorine disposed on the first barrier layer, an interface layer including the polymer material on the fluorinated buffer layer, and a second barrier layer disposed on the interface layer.