Abstract: A light-emitting layer, a light-emitting device and a light-emitting apparatus are provided. The light-emitting layer includes a thermally activated delayed fluorescence (TADF) material, a phosphorescent material, a multiple resonance fluorescent material and a host material.

Abstract: Provided are an organic compound, a hole injection material, and an application thereof. The organic compound has a structure as shown in Formula I or Formula II, and has a deep LUMO energy level through the mutual synergy of nuclear structures and substituents, and the LUMO energy level is close to the anode work function and the HOMO energy level of a hole transport layer, which can effectively promote the generation of holes. Meanwhile, the organic compound has a suitable molecular weight, low volatility, high thermal stability, and can satisfy the vacuum evaporation requirements for the OLED device preparation. The organic compound is applied to the OLED device, especially suitable as a P-type dopant for a hole injection layer, which can effectively control the charge balance in the device, significantly reduce the drive voltage of the device, prolong the working life, and enable the device to have higher luminous performance.

Abstract: Disclosed are an organic light-emitting display panel and an organic light-emitting display device. The organic light-emitting display panel comprises: a substrate, a second electrode, a light-emitting layer, a first hole transport layer and a first electrode that are successively laminated, wherein, the materials of both the first electrode and the second electrode are silver or silver-containing metallic materials, the material of the first hole transport layer is a conductive material doped with a P-type semiconductor material or a P-type semiconductor material layer is set between the first hole transport layer and the first electrode.

Abstract: The invention discloses an organic light-emitting display panel, an electronic device and a method for manufacturing the same. The organic light-emitting display panel includes: pixel regions on a substrate which emit light of various colors; each pixel region includes a first electrode, a light-emitting functional layer and a second electrode, one of the first electrode and the second electrode is light exit side electrode(s); an optical coupling layer is set on one side of the light exit side electrode far from the light-emitting functional layer; the refractive index of the optical coupling layer in the blue light wavelength region is 2 to 2.3; the difference between the refractive index of the optical coupling layer in the blue light wavelength region and that in the green light wavelength region is less than or equal to 0.2.

Abstract: The present disclosure provides an OLED display panel, an electronic device, and a manufacturing method. The OLED display panel comprises a substrate, and a plurality of pixel regions formed on the substrate to emit light of different colors. A pixel region includes a first electrode, a light-emitting function layer, and a second electrode, configured facing away from the substrate. The second electrode is a light-emitting side electrode of the OLED display panel. Differences in transmittances at different wavelengths of the second electrode satisfy the following equations: |T(450 nm)?T(530 nm)|?15%, |T(610 nm)?T(530 nm)|?15%, and |T(400 nm)?T(700 nm)|?50%, where T(Xnm) is a transmittance at a wavelength of Xnm of the second electrode.

Abstract: Disclosed are an organic light-emitting display panel and an organic light-emitting display device. The organic light-emitting display panel comprises: a substrate, a second electrode, a light-emitting layer, a first hole transport layer and a first electrode that are successively laminated, wherein, the materials of both the first electrode and the second electrode are silver or silver-containing metallic materials, the material of the first hole transport layer is a conductive material doped with a P-type semiconductor material or a P-type semiconductor material layer is set between the first hole transport layer and the first electrode.

Abstract: Disclosed are an organic light-emitting display panel and an organic light-emitting display device. The organic light-emitting display panel comprises: a substrate, a second electrode, a light-emitting layer, a first hole transport layer and a first electrode that are successively laminated, wherein, the materials of both the first electrode and the second electrode are silver or silver-containing metallic materials, the material of the first hole transport layer is a conductive material doped with a P-type semiconductor material and a P-type semiconductor material layer is set between the first hole transport layer and the first electrode.

Abstract: A display panel and a method for manufacturing the same are disclosed. The display panel includes: a substrate, a display element located on the substrate, and a thin-film encapsulation layer located on the display element. The thin-film encapsulation layer includes at least one first encapsulation material layer and at least one second encapsulation material layer; the refractive index of the first encapsulation material layer is different from that of the second encapsulation material layer; wherein, at least one of the first encapsulation material layers is provided with a plurality of grooves; the grooves are filled with the second encapsulation material layer above the first encapsulation material layer provided with a plurality of grooves.

Abstract: Embodiments of the present disclosure relate to technical fields of organic light emitting display, and provide an organic light emitting display panel and a display device, which can improve the use efficiency of output light in the top emission configuration. The organic light emitting display panel includes a negative and anode layers, and a substrate. A minimum transmittance of the cathode layer in visible light band is greater than 80%. A reflectivity of the anode layer in visible light band is greater than 90%. An organic material layer is placed between the negative and anode layers. The organic material layer includes a first electron transmission layer doped with a metal whose activity is stronger than activity of magnesium. The substrate, the anode layer, the organic material layer, and the cathode layer are placed in order along a direction of light output of the organic light emitting display panel.

Abstract: Disclosed are an organic light-emitting display panel and an organic light-emitting display device. The organic light-emitting display panel comprises: a substrate, a second electrode, a light-emitting layer, a first hole transport layer and a first electrode that are successively laminated, wherein, the materials of both the first electrode and the second electrode are silver or silver-containing metallic materials, the material of the first hole transport layer is a conductive material doped with a P-type semiconductor material and a P-type semiconductor material layer is set between the first hole transport layer and the first electrode.

Abstract: An organic light-emitting display panel and an organic light-emitting display device are disclosed, wherein the organic light-emitting display panel includes: a substrate, a cathode, a first auxiliary functional structure, a light-emitting structure and an anode that are successively laminated; wherein, the material of both the anode and the cathode is silver or a silver-containing metallic material, and a micro-cavity structure is formed between the cathode and the anode; the first auxiliary functional structure includes at least one of an electron injection layer, an electron transport layer and a hole blocking layer, and the first auxiliary functional structure is multiplexed as a micro-cavity length adjusting structure.

Abstract: The invention discloses an organic light-emitting display panel, an electronic device and a method for manufacturing the same. The organic light-emitting display panel includes: pixel regions on a substrate which emit light of various colors; each pixel region includes a first electrode, a light-emitting functional layer and a second electrode, one of the first electrode and the second electrode is light exit side electrode(s); an optical coupling layer is set on one side of the light exit side electrode far from the light-emitting functional layer; the refractive index of the optical coupling layer in the blue light wavelength region is 2 to 2.3; the difference between the refractive index of the optical coupling layer in the blue light wavelength region and that in the green light wavelength region is less than or equal to 0.2.

Abstract: A display panel and a method for manufacturing the same are disclosed. The display panel includes: a substrate, a display element located on the substrate, and a thin-film encapsulation layer located on the display element. The thin-film encapsulation layer includes at least one first encapsulation material layer and at least one second encapsulation material layer; the refractive index of the first encapsulation material layer is different from that of the second encapsulation material layer; wherein, at least one of the first encapsulation material layers is provided with a plurality of grooves; the grooves are filled with the second encapsulation material layer above the first encapsulation material layer provided with a plurality of grooves.

Abstract: The present disclosure provides an OLED display panel, an electronic device, and a manufacturing method. The OLED display panel comprises a substrate, and a plurality of pixel regions formed on the substrate to emit light of different colors. A pixel region includes a first electrode, a light-emitting function layer, and a second electrode, configured facing away from the substrate. The second electrode is a light-emitting side electrode of the OLED display panel. Differences in transmittances at different wavelengths of the second electrode satisfy the following equations: |T(450 nm)?T(530 nm)|?15%, |T(610 nm)?T(530 nm)|?15%, and |T(400 nm)?T(700 nm)|?50%, where T(Xnm) is a transmittance at a wavelength of Xnm of the second electrode.