The present invention discloses a top-emitting OLED device, a method of manufacturing the same, and a display panel. The OLED device includes a substrate, an anode layer, an organic functional layer, a cathode layer, and an auxiliary electrode layer sequentially arranged, wherein the auxiliary electrode layer is arranged on the non-light emitting region of the cathode layer, and the material of the auxiliary electrode layer is electrically conductive. The present invention can increase the conductivity of the cathode layer, reduce the voltage difference between the center and the edge of the screen, and improve the display effect without blocking the light emitting region and not affecting the display brightness of the light emitting region.

The embodiments of the present invention provide an electroluminescent device and manufacturing method thereof, display substrate and display device, which relate to the field of display technology. The overall luminous efficiency of the OLED device is improved without reducing the thickness of the metal cathode, ensuring a good display effect of the OLED device. The electroluminescent device comprises a metal cathode layer, a functional layer and a transparent anode layer arranged on a basal substrate; the transparent anode layer is located on the light exit side of the electroluminescent device; the functional layer is located between the metal cathode layer and the transparent anode layer; the functional layer comprises an electron transport layer, an emitting layer and a hole transport layer sequentially arranged from the metal cathode layer.

An electroluminescence device and a display device including an electroluminescence device are provided. The electroluminescence device includes an anode including silver, wherein at least a portion of the anode substantially extends in a horizontal direction; a first layer provided over the anode; an organic layer including a luminescent layer; a cathode provided over the organic layer; and an insulating layer provided over an end portion of the anode and an end portion of the first layer, wherein at least a portion of the cathode substantially extends in the horizontal direction in a light emission region, wherein a surface of the insulating layer has a curved portion, and wherein at least a portion of the cathode within a region of the insulating layer above the curved portion extends along a first angled upward direction between the horizontal direction and the thickness direction of the anode.

Provided is a novel light-emitting element. The light-emitting element includes an anode, an EL layer over the anode, and a cathode over the EL layer; a first layer is adjacent to a side surface of the EL layer, and a first portion is adjacent to the side surface of the first layer. The EL layer and the first portion are adjacent to each other with the first layer therebetween. A refractive index of the first portion is lower than a refractive index of the first layer. An angle ? between a bottom surface and the side surface of the EL layer is larger than 90?.

Provided is a novel light-emitting element. The light-emitting element includes an anode, an EL layer over the anode, and a cathode over the EL layer; a first layer is adjacent to a side surface of the EL layer, and a first portion is adjacent to the side surface of the first layer. The EL layer and the first portion are adjacent to each other with the first layer therebetween. A refractive index of the first portion is lower than a refractive index of the first layer. An angle ? between a bottom surface and the side surface of the EL layer is larger than 90?.

A light emitting device and processes for making the same are disclosed. In an aspect, a light-emitting device comprises a substrate, an organic light emitting diode (OLED) disposed adjacent the substrate, the OLED configured to emit light having a wavelength at about 400 nm to about 480 nm, a color conversion layer disposed adjacent a side of the substrate opposite the OLED, and a distributed Bragg reflector (DBR) disposed adjacent the color conversion layer.

An organic EL element includes a pixel electrode, a light emitting function layer that is formed on the pixel electrode, an electron injection layer formed on the light emitting function layer, and a counter electrode that is formed on the electron injection layer and that has semi-transmissive reflectivity, in which the counter electrode contains a reductive material that reduces material of the electron injection layer and Ag with atomic ratio of 75% or more, and an adsorption layer is formed on the counter electrode.

An organic electroluminescent display device and a manufacturing method thereof are disclosed. The organic electroluminescent display device includes a substrate, a first thin film transistor disposed on the substrate, a second thin film transistor disposed on the first thin film transistor, a first light emitting element electrically connected with a drain of the first thin film transistor, wherein the first light emitting element comprises a first electrode, a first light emitting layer and a second electrode which are stacked, a second light emitting element electrically connected with a drain of the second thin film transistor, wherein the second light emitting element is disposed on the second thin film transistor and comprises a third electrode, a second light emitting layer and a fourth electrode, wherein the second light emitting element is configured to emit white light. By forming the second light emitting element on the second thin film transistor, an original non-display region of the organic electroluminescent display device becomes a display region, as a result, an aperture ratio of the organic electroluminescent display device is increased, and the display effect of the organic electroluminescent display device is improved.

According to various embodiments, an electrode may include at least one layer including a chemical compound including aluminum and titanium.

The present invention provides an OLED display panel and a manufacture method thereof. In the manufacture method of the OLED display panel according to the present invention, the cathode of the made OLED display panel has a double layer structure. The cathode comprises a first metal layer of the entire surface and a second metal layer being located on the first metal layer and corresponding to the non pixel areas of the OLED display panel. Thus, in the pixel area of the OLED display panel, the cathode is constructed by the first metal layer and appears to be semi transparent. In the non pixel area of the OLED display panel, the cathode is constructed by stacking up the first metal layer, the second metal layer and appears to be opaque.