Each of pixels includes: a transparent upper electrode covering at least a part of the first region and at least a part of the second region; a reflective lower electrode disposed in the second region; a light-emitting film disposed between the transparent upper electrode and the reflective lower electrode, the light-emitting film being configured to emit light in response to supplied electric current; a thin film transistor disposed lower than the reflective lower electrode in the second region, the thin film transistor having a channel made of a transparent oxide; and a transparent low-resistive film that is made of the transparent oxide and interconnects the power-source potential supply line and the transparent upper electrode, the transparent low-resistive film being separate from an oxide film that is made of the transparent oxide and includes the channel and having a resistance lower than a resistance of the channel.

A double-sided display comprises: a first data driver that is connected to one end of the data lines and applies a data signal of a first image to the data lines; and a second data driver that is connected to the other end of the data lines and applies a data signal of a second image to the data lines. The first data driver supplies a first pixel data signal of the first image to a first data line and an nth pixel data signal of the first image to an nth data line, and the second data driver supplies a first pixel data signal of the second image to the nth data line and an nth pixel data signal of the second image to the first data line.

A display device includes; a display unit including a plurality of light emitting areas, a plurality of thin film transistors, and organic light emitting elements; an input sensing unit including a plurality of sensing electrodes and disposed on the display unit, wherein the plurality of sensing electrodes includes a plurality of openings; and an anti-reflection member. Each of the organic light emitting elements includes: a first electrode disposed above a first thin film transistor of the thin film transistors and connected to the first thin film transistor through a contact hole; a light emitting layer disposed on the first electrode and overlapping a first light emitting area of the light emitting areas; and a second electrode. Each of the light emitting areas is exposed by a corresponding opening of the plurality of openings, and the plurality of sensing electrodes overlaps with the contact holes.

A method of making an organic light-emissive display comprises depositing organic light-emissive material on a material film layer disposed over a plurality of electrodes on a substrate, wherein the plurality of electrodes are disposed consecutively and in alignment on a substrate. The material film layer defines a confinement region having a first surface energy property, the confinement region overlying an area in which the plurality of electrodes are disposed, and a boundary region surrounding the confinement region, the boundary region having a second surface energy property differing from the first surface energy property. The method further comprises causing confinement of the organic light-emissive material deposited on the material film layer to an area on the material film layer that is within the confinement region as a result of the differing first and second surface energy properties, and forming a continuous layer of the organic light-emissive material deposited on the material film layer in the confinement region.

A pixel driving circuit, a pixel driving method, an array substrate, a display device, and a display panel are disclosed. The pixel driving circuit includes a switching subcircuit, a plurality of clock signal lines, a data writing subcircuit and a driving subcircuit.

A nitrogen heterocyclic compound having a structure of Chemical Formula I is provided. z is 1 or 2, m and n are each 1 or 2, p and q are each 0, 1 or 2. X.sub.1-X.sub.6 are each independently nitrogen or carbon, and at least one of X.sub.1-X.sub.6 is nitrogen. R.sub.1, R.sub.2 and R.sub.3 are each independently C1-C10 linear or branched alkyl, substituted or unsubstituted aryl, fused aryl, an aromatic heterocyclic group, or a fused aromatic heterocyclic group. R.sub.1 and R.sub.2 may be otherwise a single bond. Ar.sub.1 and Ar.sub.2 are each substituted or unsubstituted aryl, fused aryl, an aromatic heterocyclic group, or a fused aromatic heterocyclic group. The nitrogen heterocyclic compound has a higher refractive index, can improve light extraction efficiency and luminous efficiency and alleviate angular dependence of luminescence when it is used as a capping layer CPL of an OLED device.

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Disclosed are a light emitting device which has improved reliability by increasing bonding force between a cathode and organic layers contacting both surfaces thereof, and a transparent display device using the same.

Embodiments of the present disclosure provide a display device and a control method thereof, and a display system. The display device includes a substrate and a pair of sub-pixels disposed on the substrate. The pair of sub-pixels includes a display sub-pixel and an interference sub-pixel, wherein the display sub-pixel and the interference sub-pixel are different in at least one of color or gray scale, wherein the display device has a light outgoing direction intersecting with the substrate; in the light outgoing direction, a projection of the display sub-pixel on a main surface of the substrate at least partially overlaps with a projection of the interference sub-pixel on the main surface of the substrate; and the display sub-pixel and the interference sub-pixel are configured to be capable of respectively emitting light in non-overlapping time periods.

An organic electroluminescent element includes, in order, a first electrode, an organic light-emitting layer, a metal thin film including a metal or a metal alloy, an organic electron transport layer doped with a metal, and a second electrode. The metal in the metal thin film is identical to the metal doped in the organic electron transport layer. The metal alloy in the metal thin film includes a metal identical to the metal doped in the organic electron transport layer.

According to one embodiment, a manufacturing method of a display device includes preparing a processing substrate by forming a lower electrode, forming a rib, and forming a partition including a lower portion and an upper portion, forming an organic layer on the lower electrode, forming an upper electrode on the organic layer, forming a first transparent layer on the upper electrode, and forming a second transparent layer on the first transparent layer. The first transparent layer and the second transparent layer are formed of organic materials different from each other. A refractive index of the second transparent layer is less than a refractive index of the first transparent layer.