The present disclosure provides an OLED array substrate, a manufacturing method thereof, and an OLED display panel. The OLED array substrate comprises a first electrode layer, a pixel definition layer, an organic material functional layer, and a second electrode layer arranged successively in a light exit direction. The organic material functional layer comprises light-emitting regions that emit light of different colors. The pixel definition layer comprises pixel regions corresponding to the light-emitting regions, and spacing regions arranged between adjacent pixel regions. Each spacing region is configured to electrically isolate adjacent light-emitting regions.

The present disclosure provides a display unit and a method for manufacturing the display unit, and an array substrate. The display unit includes a first electrode; a second electrode opposite to the first electrode; and a passivation layer, an auxiliary electrode and a light emitting functional layer between the first electrode and the second electrode, the passivation layer, the auxiliary electrode and the light emitting functional layer being disposed from the first electrode to the second electrode in sequence. The first electrode is electrically connected to the auxiliary electrode. One of the first electrode and the second electrode is transflective while the other one of the first electrode and the second electrode is transflective or reflective, and a first cavity is formed between the first electrode and the second electrode.

Full color displays that include optical thin film layers with a controllable reflectance are provided. The layers allow for the overall transparency and display properties of each side of the display to be controlled, allowing for augmented reality displays virtual reality displays, two-sided signage, and the like.

The present disclosure provides a display substrate, a manufacturing method and a display device. The display substrate includes a base substrate and pixel units arranged in an array form on the base substrate. The base substrate includes a pixel circuitry formed on a substrate. Each pixel unit includes: a first electrode, a light-emitting layer, and a second electrode. The display substrate further includes a reflection layer between the first electrode and the base substrate, the first electrode is insulated from the reflection layer, and the first electrode is coupled to the pixel circuitry through a via hole penetrating through the reflection layer.

Provided are a top emitting display panel and a display device, the top emitting display panel includes a substrate, a light-emitting structure and a cover layer, wherein the light-emitting structure comprises a first light-emitting structure, a second light-emitting structure and a third light-emitting structure, and corresponding light-emitting wavelengths are a first wavelength, a second wavelength and a third wavelength respectively; the cover layer is located on a side of the light-emitting structure away from the substrate, and includes at least two of a first region located on the first light-emitting structure, a second region located on the second light-emitting structure, and a third region located on the third light-emitting structure, the first region has a thickness such that twice of the length of an equivalent optical path in the first region along a thickness direction is an integer multiple of the first wavelength; the second region has a thickness such that twice of the length of an equivalent optical path in the second region along the thickness direction is an integer multiple of the second wavelength; and the third region has a thickness such that twice of the length of an equivalent optical path in the third region along the thickness direction is an integer multiple of the third wavelength. According to embodiments of the present disclosure, light extraction efficiencies corresponding to the first wavelength, the second wavelength, and the third wavelength can be simultaneously increased, and the display panel have a reduced power consumption and an improved lifetime.

A display device comprises a bank in which a plurality of holes are formed; and a plurality of light-emitting layers formed in the plurality of holes, wherein, among the plurality of light-emitting layers, a light-emitting layer, which is provided closer to a position in which the plurality of holes are low in density, exhibits a greater emission wavelength.

A method of manufacturing a light-emitting device including a body portion and a light-emitting portion arranged in the body portion and configured to emit light to the outside. The light-emitting portion includes a plurality of pixels. At least two of the pixels are configured to emit pieces of light having different wavelengths from each other.

In EL display panels fabricated by vapor deposition, a vapor-deposition fine mask is employed to form red, green, and blue pixels. An issue, however, has been that misregistration of the vapor-deposition fine mask occurs, lowering manufacturing yields. To resolve this issue, on a thin-film transistor (TFT) substrate, red, green, and blue pixel electrodes are fashioned in matrix form. The TFT substrate is conveyed into a vapor-deposition chamber. Under a vacuum, an organic evaporation source is employed to codeposit a light-emitting layer composed of a host material and a red guest material on the TFT substrate display screen. An ultraviolet laser beam generated by a laser device is optically guided into the vapor-deposition chamber through a laser window and directed on the light-emitting layer formed onto the green and blue pixel electrodes. Positional selecting on the green and blue pixels is carried out by controlling a mirror galvanometer.

A light emitting element (10) includes a light emitting unit (30) and an optical path control unit (71) provided above the light emitting unit (30), wherein a light reflection film (51) including an opening (52) is disposed between the light emitting unit (30) and the optical path control unit (71).

Provided are a display device and an electronic apparatus capable of improving the reliability of a light emission state of a pixel.

A display device includes: a plurality of sub-pixels; a plurality of light emitting elements including an anode electrode, an organic layer, and a first cathode electrode, the anode electrode, the organic layer, and the first cathode electrode being separated into each of the plurality of sub-pixels; an element protective layer covering the first cathode electrode; a second cathode electrode provided on the element protective layer; and a connection portion that electrically connects the second cathode electrode and the first cathode electrode, in which the connection portion is formed along a side wall of the element protective layer.