Abstract: The application provides an organic light emitting device, a method of fabricating the organic light emitting device, and a display device. The organic light emitting device comprises an anode layer, a cathode layer, and a light emitting layer provided between the anode layer and the cathode layer, and further comprises a carrier velocity adjustment layer provided between the light emitting layer and at least one of the anode layer and the cathode layer, and the carrier velocity adjustment layer is used for adjusting an injection rate of a carrier.

Abstract: The present disclosure provides a display back plate and a fabricating method thereof and a display device. The display back plate includes a base layer. A plurality of recesses are formed in the base layer, and a plurality of sub-pixels are formed in the plurality of recesses. The sub-pixel includes a first electrode layer, which is formed in the recess, a light-emitting material layer, which is formed on the first electrode layer, and a second electrode layer, which is formed on the light-emitting material layer. Thickness differences exist among a plurality of the light-emitting material layers, and upper surfaces of the plurality of light-emitting material layers are positioned on the same plane.

Abstract: The present disclosure provides a display back plate and a fabricating method thereof and a display device. The display back plate includes a base layer. A plurality of recesses are formed in the base layer, and a plurality of sub-pixels are formed in the plurality of recesses. The sub-pixel includes a first electrode layer, which is formed in the recess, a light-emitting material layer, which is formed on the first electrode layer, and a second electrode layer, which is formed on the light-emitting material layer. Thickness differences exist among a plurality of the light-emitting material layers, and upper surfaces of the plurality of light-emitting material layers are positioned on the same plane.

Abstract: An OLED and a fabrication method thereof, and a display apparatus are provided. The OLED comprises: a base substrate; a first electrode, an organic functional layer and a transparent or semi-transparent second electrode sequentially disposed on the base substrate; and a covering layer provided on a side of the second electrode away from the base substrate. A surface of the covering layer away from the base substrate is uneven.

Abstract: The present invention relates to the field of display, and discloses an organic light emitting diode array substrate, a manufacturing method thereof, and a display device, for the purposes of enlarging the color gamut of a display device and improving display quality. The organic light emitting diode array substrate comprises a substrate and multiple micro-cavity organic light emitting diodes which are disposed on the substrate and are arranged in arrays; wherein an angle exists between a light emitting surface of at least one micro-cavity organic light emitting diode and the plane of the substrate. In the embodiments of the invention, an angle exists between a light emitting surface of at least one micro-cavity organic light emitting diode and the plane of the substrate, such that the light with shorter wavelengths in the spectrum of the micro-cavity organic light emitting diode can be emitted in the direction of direct vision.

Abstract: The application provides an organic light emitting device, a method of fabricating the organic light emitting device, and a display device. The organic light emitting device comprises an anode layer, a cathode layer, and a light emitting layer provided between the anode layer and the cathode layer, and further comprises a carrier velocity adjustment layer provided between the light emitting layer and at least one of the anode layer and the cathode layer, and the carrier velocity adjustment layer is used for adjusting an injection rate of a carrier.

Abstract: A pixel structure, a display device having the pixel structure and a manufacturing method of the pixel structure are disclosed. The pixel structure comprises: a first insulation layer; a luminescent unit disposed on the first insulation layer and comprising a first electrode layer, a luminescent layer and a second electrode layer; a pixel defining layer configured for defining a pixel aperture, in which the luminescent unit is disposed; and a reflective assembly disposed around the pixel defining layer so as to reflect light entering the pixel defining layer from the luminescent layer to exit from an exit surface of the pixel structure. The reflective assembly is provided to reflect the light entering the pixel defining layer from the luminescent layer, so as to exit from the exit surface of the pixel structure. As a result, the light beams entering the pixel defining layer may be converted into effective beams for the pixel structure, thereby improving the display effect and reducing light dissipation.

Abstract: The disclosure provides an indoloacridine-containing derivative represented by formula (I), wherein A is a group represented by formula (II), and wherein X, Y, Z and W represent a carbon atom or a nitrogen atom, and at least one of W, X, Y and Z represent a nitrogen atom; R represents a phenyl group, a biphenylyl group, a naphthyl group or a phenanthryl group. The disclosure further provides a process for preparing the compound. The disclosure further provides an organic electroluminescent device comprising the compound. This compound can be used as a phosphorescence host material, a hole-injecting material or a hole-transporting material in an organic electroluminescent device.

Abstract: An organic light-emitting diode (OLED) panel, a manufacturing method thereof and a display device are provided. The OLED panel comprises: a base substrate, a plurality of OLED units formed on the base substrate, and a reflective structure formed on the base substrate, disposed along the periphery of the OLED units and configured to partially or completely encircle the OLED units. The OLED unit includes an anode layer, an organic emission layer and a cathode layer. The reflective structure is provided with a reflective surface which is configured to reflect light emitted from a side terminal of the organic emission layer to the outside of the OLED panel. The OLED panel can improve the utilization rate of light emitted by the OLED units and hence improve the display quality of the OLED panel.

Abstract: The present invention relates to the field of display, and discloses an organic light emitting diode array substrate, a manufacturing method thereof, and a display device, for the purposes of enlarging the color gamut of a display device and improving display quality. The organic light emitting diode array substrate comprises a substrate and multiple micro-cavity organic light emitting diodes which are disposed on the substrate and are arranged in arrays; wherein an angle exists between a light emitting surface of at least one micro-cavity organic light emitting diode and the plane of the substrate. In the embodiments of the invention, an angle exists between a light emitting surface of at least one micro-cavity organic light emitting diode and the plane of the substrate, such that the light with shorter wavelengths in the spectrum of the micro-cavity organic light emitting diode can be emitted in the direction of direct vision.

Abstract: An OLED device and a manufacturing method thereof and a display apparatus are provided. The OLED device comprises: a substrate, and a first electrode, an organic material function layer and a second electrode which are sequentially provided on the substrate. The OLED device further comprises an uneven layer provided between the first electrode and the substrate, and a surface of the uneven layer corresponding to the first electrode and away from the substrate is not even. The first electrode and/or the second electrode provided on a light output side of the OLED device comprise(s) a metal layer.

Abstract: A pixel structure, a display device having the pixel structure and a manufacturing method of the pixel structure are disclosed. The pixel structure comprises: a first insulation layer; a luminescent unit disposed on the first insulation layer and comprising a first electrode layer, a luminescent layer and a second electrode layer; a pixel defining layer configured for defining a pixel aperture, in which the luminescent unit is disposed; and a reflective assembly disposed around the pixel defining layer so as to reflect light entering the pixel defining layer from the luminescent layer to exit from an exit surface of the pixel structure. The reflective assembly is provided to reflect the light entering the pixel defining layer from the luminescent layer, so as to exit from the exit surface of the pixel structure. As a result, the light beams entering the pixel defining layer may be converted into effective beams for the pixel structure, thereby improving the display effect and reducing light dissipation.

Abstract: An OLED device and a manufacturing method thereof and a display apparatus are provided. The OLED device comprises: a substrate, and a first electrode, an organic material function layer and a second electrode which are sequentially provided on the substrate. The OLED device further comprises an uneven layer provided between the first electrode and the substrate, and a surface of the uneven layer corresponding to the first electrode and away from the substrate is not even. The first electrode and/or the second electrode provided on a light output side of the OILED device comprise(s) a metal layer.

Abstract: An OLED and a fabrication method thereof, and a display apparatus are provided. The OLED comprises: a base substrate; a first electrode, an organic functional layer and a transparent or semi-transparent second electrode sequentially disposed on the base substrate; and a covering layer provided on a side of the second electrode away from the base substrate. A surface of the covering layer away from the base substrate is uneven.

Abstract: An organic light-emitting diode (OLED) panel, a manufacturing method thereof and a display device are provided. The OLED panel comprises: a base substrate, a plurality of OLED units formed on the base substrate, and a reflective structure formed on the base substrate, disposed along the periphery of the OLED units and configured to partially or completely encircle the OLED units. The OLED unit includes an anode layer, an organic emission layer and a cathode layer. The reflective structure is provided with a reflective surface which is configured to reflect light emitted from a side terminal of the organic emission layer to the outside of the OLED panel. The OLED panel can improve the utilization rate of light emitted by the OLED units and hence improve the display quality of the OLED panel.

Abstract: The disclosure provides an indoloacridine-containing derivative represented by formula (I), wherein A is a group represented by formula (II), and wherein X, Y, Z and W represent a carbon atom or a nitrogen atom, and at least one of W, X, Y and Z represent a nitrogen atom; R represents a phenyl group, a biphenylyl group, a naphthyl group or a phenanthryl group. The disclosure further provides a process for preparing the compound. The disclosure further provides an organic electroluminescent device comprising the compound. This compound can be used as a phosphorescence host material, a hole-injecting material or a hole-transporting material in an organic electroluminescent device.

Abstract: The invention provides a silicon-containing bianthracene derivative, a production process and use thereof, and an organic electroluminescent device. The invention belongs to the technical field of organic electroluminescence, and can give a blue light-emitting material being able to form a dense film. The silicon-containing bianthracene derivative has a molecular structure of the following general formula, wherein R group represents an aryl group having a carbon atom number of 6-14, an aromatic heterocyclic group having a carbon atom number of 8-18, a fused-ring aromatic group having a carbon atom number of 9-15, a fluorenyl group, or a triarylamino group. The silicon-containing bianthracene derivative mentioned in the invention can be used in an organic electroluminescent device.

Abstract: The invention provides a silicon-containing bianthracene derivative, a production process and use thereof, and an organic electroluminescent device. The invention belongs to the technical field of organic electroluminescence, and can give a blue light-emitting material being able to form a dense film. The silicon-containing bianthracene derivative has a molecular structure of the following general formula, wherein R group represents an aryl group having a carbon atom number of 6-14, an aromatic heterocyclic group having a carbon atom number of 8-18, a fused-ring aromatic group having a carbon atom number of 9-15, a fluorenyl group, or a triarylamino group. The silicon-containing bianthracene derivative mentioned in the invention can be used in an organic electroluminescent device.