Provided is a pixel circuit. The pixel circuit comprises a driving transistor and a light-emitting element both coupled in series between a first level end and a second level end, and comprises a second transistor, a third transistor, a fourth transistor, a first capacitor and a second capacitor. The second capacitor is coupled between a control electrode of the driving transistor and a second end of the light-emitting element. A threshold voltage is stored by the first capacitor, so that threshold voltage compensation for the driving transistor and the light-emitting element is implemented, and therefore the non-uniformity of the display of the pixel circuit is compensated. Also provided is a display device, wherein a first control line and a light-emitting control line are both global lines. Also disclosed is a pixel circuit driving method.

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 display device includes a circuit array layer including first and second organic insulating layers on a pixel driving circuit, and a light emitting array layer including an organic insulating material pixel defining layer and a cathode electrode on the organic insulating material pixel defining layer A layer among the first organic insulating material planarization layer, the second organic insulating material planarization layer and the organic insulating material pixel defining layer includes a gas blocking thickness portion which extends from a surface of the layer which is closest to the cathode electrode.

In a display region of a display device, opening portions are formed in at least one layer of an inorganic insulating film making up a TFT layer in such a manner as to penetrate the inorganic insulating film to thereby expose an upper surface of a resin substrate, opening flattening films are provided in such a manner as to fill in the opening portions, and metallic layers are provided in such a manner as to cover upper surfaces of the opening flattening films.

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.

An organic light-emitting diode display is disclosed. In one aspect, the display includes a plurality of pixels formed in a plurality of intersection areas of a plurality of data lines and a plurality of scan lines. Each of the pixels includes a storage capacitor configured to store a data voltage, at least one target transistor having one end electrically connected to a current path of the storage capacitor, an organic light emitting layer, and a first electrode of an OLED formed over the organic light emitting layer. The first electrode includes a first electrode extension configured to block at least a portion of the target transistor from light.

A display substrate, a method of manufacturing the same and a display device are provided. The display substrate includes: a base substrate including an emission area and a transmission area; an electroluminescent device on the base substrate, the electroluminescent device including a first electrode in the emission area; a thin film transistor for controlling the electroluminescent device, the thin film transistor including an active layer; and a conductive member on the base substrate. The conductive member electrically connects the first electrode of the electroluminescent device with the active layer, the conductive member includes a contact portion in contact with the active layer, and the contact portion is located in the transmission area.

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 an OLED substrate and a fabrication method thereof, and a display panel. The method for fabricating an OLED substrate includes: forming an auxiliary cathode in a display region on a base substrate; forming an organic material functional layer in the display region on the base substrate where the auxiliary cathode is formed; applying a voltage to the auxiliary cathode to deform the auxiliary cathode, such that the organic material functional layer is ruptured by the deformed auxiliary cathode to form a connection channel; and forming a cathode in the display region on the base substrate where the organic material functional layer is formed. The cathode is electrically connected to the auxiliary cathode at the connection channel.

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.