Abstract: Provided is a pixel defining layer for pixels formed by ink jet printing, an array substrate and a display apparatus. The pixel defining layer comprises a first pixel defining sub-layer, which defines a plurality of uniformly distributed pixels; and a second pixel defining sub-layer on the first pixel defining sub-layer, wherein the second pixel defining sub-layer and the first pixel defining sub-layer together define a plurality of ink-holding spaces for the plurality of uniformly distributed pixels respectively, and wherein a width of the first pixel defining sub-layer is not less than a width of the second pixel defining sub-layer thereon, wherein the pixel defining layer is divided into an active area zone and an dummy zone outside the active area zone, and wherein an ink-holding space of a pixel in the dummy zone is larger than an ink-holding space of a pixel in the active area zone.

Abstract: An organic electroluminescent device, a production method thereof, and a display apparatus are disclosed. Specifically, the organic electroluminescent device includes: a substrate; a pixel defining layer on the substrate; and a hole injection layer on the substrate, wherein the hole injection layer is located in a pixel defining opening of the pixel defining layer, wherein the hole injection layer includes a first hole injection sub-layer and a second hole injection sub-layer covering the first hole injection sub-layer, an orthographic projection area of the second hole injection sub-layer on the substrate is greater than the orthographic projection area of the first hole injection sub-layer on the substrate, and a hole mobility of the second hole injection sub-layer is greater than the hole mobility of the first hole injection sub-layer.

Abstract: An organic light emitting display substrate and a manufacture method thereof, a display device are provided. The organic light emitting display substrate includes a pixel definition layer, and the pixel definition layer includes a plurality of pixel openings, each of the pixel openings includes a long side portion and a short side portion, and a slope angle of the long side portion is greater than a slope angle of the short side portion.

Abstract: A pixel defining layer, a display substrate and manufacturing method thereof, and a display apparatus are provided. The pixel defining layer includes: a lyophilic material layer disposed on a base substrate, and a lyophobic material layer disposed at a side of the lyophilic material layer away from the base substrate. An orthographic projection of a surface of the lyophobic material layer close to the base substrate on the base substrate is within an orthographic projection of a surface of the lyophilic material layer away from the base substrate on the base substrate. The lyophilic material layer is made of a lyophilic material having attractability to a solution with organic electroluminescent materials dissolved, and the lyophobic material layer is made of a lyophobic material having repellency to the solution with organic electroluminescent materials dissolved. The pixel defining layer reduces the influence on the uniformity of the films.

Abstract: The present disclosure relates to an array substrate, a method of fabricating the same, and a display panel. The array substrate includes a conductive layer formed on the base substrate, a dielectric layer formed on the conductive layer, wherein the dielectric layer has an opening exposing the conductive layer, wherein a vertical projection of the opening on the base substrate is in at least a portion of the pixel spacing region, a first electrode formed on the dielectric layer, a luminescent layer having a first portion on the first electrode and a second portion on the conductive layer in the opening, a second electrode formed on the luminescent layer, and an electrical connection portion in the second portion of the luminescent layer for providing an electrical connection from the conductive layer to the second electrode, and wherein the electrical connection portion is more conductive than the luminescent layer.

Abstract: The present invention provides an organic light-emitting display substrate, a method of fabricating the same, an organic light-emitting display panel, and an organic light-emitting display device. The organic light-emitting display substrate comprises a pixel defining layer provided on a base substrate and configured to define a sub-pixel region, the pixel defining layer comprises an accommodation area corresponding to a sub-pixel, and a groove located on an outer peripheral side of the accommodation area. In a process of forming an organic light-emitting layer by means of inkjet printing, excessive ink flows into the groove on the outer peripheral side of the accommodation area, which facilitates matching between a volume of ink for forming the organic light-emitting layer and a thickness of an actual organic light-emitting layer.

Abstract: An organic light emitting diode display panel, a manufacturing method thereof and a display device are disclosed, for reducing the number of inkjet heads used in inkjet printing or alleviating the swath mura at printing interfaces. The method comprises manufacturing an anode layer, a light emitting layer and a cathode layer on a base substrate, and the method can further comprise manufacturing by an entire-surface coating process a function layer having a first preset thickness between the anode layer and the light emitting layer; and in a first preset region of the function layer that has been manufactured, manufacturing by an inkjet printing process a function layer having a second preset thickness.

Abstract: The present disclosure discloses a method for manufacturing a display substrate, a display substrate and a display device. The method includes forming an organic thin film layer on a base substrate at a region which corresponds to a non-display region of a to-be-formed display substrate, printing an organic functional layer on the base substrate, and removing the organic functional layer at the non-display region by peeling off the organic thin film layer.

Abstract: Disclosed is an organic light-emitting display substrate, including a substrate and a pixel defining layer on the substrate which includes a plurality of dams crisscrossing in a display area of the substrate to define a plurality of pixel units and define the boundary of the display area, wherein the pixel defining layer further includes a groove arranged on a top surface of each dam, the grooves at least define one frame-shaped area, at least one pixel unit is arranged in each frame-shaped area, and the grooves are used for accommodating a solvent when forming an organic light-emitting element by inkjet printing. Also disclosed is a manufacturing method of an organic light-emitting display substrate and a display device. The present invention can improve the film forming effect of a film layer formed on the substrate, so that the brightness of a display image of the display device is more uniform.

Abstract: The present invention discloses a pixel unit, which comprises a pixel defining layer defining a pixel region, a first electrode within a central area of the pixel region, an organic-light-emitting-display-device functional layer formed within the pixel region and on the first electrode, and a second electrode formed on the organic-light-emitting-display-device functional layer, an area of a bottom plane of the organic-light-emitting-display-device functional layer being larger than that of an upper surface of the first electrode. The pixel defining layer comprises first and second pixel defining portions having ring-shaped structures, the first pixel defining portion has an inner side surface defining the pixel region, and the second pixel defining portion has an outer side surface in contact with the inner side surface of the first pixel defining portion, and is disposed around the first electrode. The first pixel defining portion has a thickness greater than the second pixel defining portion.

Abstract: The present invention relates to an organic light-emitting diode, an array substrate and a preparation method thereof, and a display device. The organic light-emitting diode comprises an anode, a cathode, a light-emitting layer disposed between the anode and the cathode, and a hole injection layer disposed between the anode and the light-emitting layer, wherein the hole injection layer is provided therein with metal nanoparticles, and the frequency of a localized surface plasmon resonance of the metal nanoparticles is matched with the emission wavelength of the light-emitting layer. As the organic light-emitting diode is doped with metal nanoparticles in the hole injection layer and the resonance frequency of the localized surface plasmon of the metal nanoparticles is matched with the emission wavelength of the light-emitting layer, the metal nanoparticles are allowed to generate localized plasma resonance with photons, so that the light extraction efficiency of the organic light-emitting diode is enhanced.

Abstract: An air circuit structure comprises the air circuit box, an air charging pump, a cuff air nozzle, air discharging valves and an air pressure examination sensor. The air circuit box comprises a shell with a cavity formed inside. The shell is provided with an access port, an air charging port and an air inlet port spaced apart, and the access port, the air charging port and the air inlet port are all connected to the cavity.

Abstract: An organic light emitting diode display panel, a manufacturing method thereof and a display device are disclosed, for reducing the number of inkjet heads used in inkjet printing or alleviating the swath mura at printing interfaces. The method comprises manufacturing an anode layer, a light emitting layer and a cathode layer on a base substrate, and the method can further comprise manufacturing by an entire-surface coating process a function layer having a first preset thickness between the anode layer and the light emitting layer; and in a first preset region of the function layer that has been manufactured, manufacturing by an inkjet printing process a function layer having a second preset thickness.

Abstract: The present invention provides an organic light-emitting display substrate, a method of fabricating the same, an organic light-emitting display panel, and an organic light-emitting display device. The organic light-emitting display substrate comprises a pixel defining layer provided on a base substrate and configured to define a sub-pixel region, the pixel defining layer comprises an accommodation area corresponding to a sub-pixel, and a groove located on an outer peripheral side of the accommodation area. In a process of forming an organic light-emitting layer by means of inkjet printing, excessive ink flows into the groove on the outer peripheral side of the accommodation area, which facilitates matching between a volume of ink for forming the organic light-emitting layer and a thickness of an actual organic light-emitting layer.

Abstract: The present invention relates to the field of display technology, particularly to a pixel defining layer, an organic electroluminescent device and a display device. The pixel defining layer comprises a first defining layer on an array substrate and a second defining layer on the first defining layer, wherein the first defining layer is made of a lyophilic inorganic material, and the second defining layer is made of a lyophobic organic material. The present invention provides a pixel defining layer, an organic electroluminescent device and a display device, wherein ink-jet printing technology is used to patternize pixels of an organic material, which serves as not only a protective layer on the first inorganic material layer during dry etching, but also a lyophobic layer on the second layer; the making of the double-layered pixel defining layer omits the process of using two masks, which can effectively reduce costs and improve production efficiency.

Abstract: The present invention relates to the technical field of display, and provides a display substrate and a preparing method thereof which can solve the problem of lower light-emitting efficiency of the display substrate in the prior art. The display substrate of the present invention comprises a plurality of display units of at least two different colors. The display substrate further comprises a plurality of bragg reflection units in different regions corresponding to respective display units, each bragg reflection unit comprises first structural layer and second structural layer which are alternately stacked with each other and have different refractive indexes; thickness of each of the first and second structural layers is ¼n wavelength of incident light from corresponding display unit, wherein n is refractive index of the first or the second structural layer. The display substrate of the present invention has higher light-emitting efficiency and is applicable to full-color display.

Abstract: Disclosed is an organic light-emitting display substrate, including a substrate and a pixel defining layer on the substrate which includes a plurality of dams crisscrossing in a display area of the substrate to define a plurality of pixel units and define the boundary of the display area, wherein the pixel defining layer further includes a groove arranged on a top surface of each dam, the grooves at least define one frame-shaped area, at least one pixel unit is arranged in each frame-shaped area, and the grooves are used for accommodating a solvent when forming an organic light-emitting element by inkjet printing. Also disclosed is a manufacturing method of an organic light-emitting display substrate and a display device. The present invention can improve the film forming effect of a film layer formed on the substrate, so that the brightness of a display image of the display device is more uniform.

Abstract: The present invention relates to the field of display technology, particularly to a pixel defining layer, an organic electroluminescent device and a display device. The pixel defining layer comprises a first defining layer on an array substrate and a second defining layer on the first defining layer, wherein the first defining layer is made of a lyophilic inorganic material, and the second defining layer is made of a lyophobic organic material. The present invention provides a pixel defining layer, an organic electroluminescent device and a display device, wherein ink-jet printing technology is used to patternize pixels of an organic material, which serves as not only a protective layer on the first inorganic material layer during dry etching, but also a lyophobic layer on the second layer; the making of the double-layered pixel defining layer omits the process of using two masks, which can effectively reduce costs and improve production efficiency.

Abstract: An organic light-emitting diode display panel and a display device are provided, including a plurality of pixel units (1), each pixel unit including at least sub-pixels of three primary colors of red, green and blue made of different organic electroluminescent materials; the pixel unit includes at least three regions, the number of the regions being equal to the number of sub-pixels in the pixel unit, and each of the regions having a same area; the blue sub-pixel is located in at least two regions, and the other sub-pixels of different primary colors are located in different regions, an area of the blue sub-pixel being greater than those of other sub-pixels of a same primary color.

Abstract: The present invention discloses a pixel unit, which comprises a pixel defining layer defining a pixel region, a first electrode within a central area of the pixel region, an organic-light-emitting-display-device functional layer formed within the pixel region and on the first electrode, and a second electrode formed on the organic-light-emitting-display-device functional layer, an area of a bottom plane of the organic-light-emitting-display-device functional layer being larger than that of an upper surface of the first electrode. The pixel defining layer comprises first and second pixel defining portions having ring-shaped structures, the first pixel defining portion has an inner side surface defining the pixel region, and the second pixel defining portion has an outer side surface in contact with the inner side surface of the first pixel defining portion, and is disposed around the first electrode. The first pixel defining portion has a thickness greater than the second pixel defining portion.