A display panel and a manufacturing method thereof are provided. The display panel includes a first display portion and at least one second display portion. The second display portion is arranged on at least one side of the first display portion. The display panel further includes an array substrate, a planarization layer, an anode layer, a light-emitting layer, a cathode layer, and an encapsulation layer.

A light-emitting device including a first substrate, a first active element, a barrier layer, a first photosensitive element, a flat layer, and a first light-emitting diode is provided. The first active element is on the first substrate. The barrier layer is on the first active element. The first photosensitive element is on the barrier layer. The flat layer is on the first photosensitive element, and the first photosensitive element is between the barrier layer and the flat layer. The first light-emitting diode is on the flat layer. The first light-emitting diode includes a first electrode, a light-emitting layer, and a second electrode. The first electrode is electrically connected to the first active element. The first photosensitive element is not completely shielded by the first electrode in a normal direction of the first substrate. The light-emitting layer is on the first electrode. The second electrode is on the light-emitting layer.

A display panel including a substrate, a light-emitting element layer, and a light-shielding layer. The light-shielding layer is arranged at a side of the light-emitting element layer facing away from the substrate. In the light-emitting element layer, an auxiliary light-emitting element is arranged at a periphery of the primary light-emitting element. The light-shielding layer includes a first opening corresponding to the primary light-emitting element and a light-shielding part covering the auxiliary light-emitting element. When both the primary light-emitting element and the auxiliary light-emitting element emit light, the viewer at a large viewing angle sees light emitted by the primary light-emitting element and interfering light emitted by the auxiliary light-emitting element; and when the primary light-emitting element emits light and the auxiliary light-emitting element does not emit light, the viewer only sees the light emitted by the primary light-emitting element.

The present disclosure provides an organic light emitting diode and a display panel. The organic light emitting diode includes: a base; a micro-nano structure layer on a side of the base; a first electrode on a side of the micro-nano structure layer away from the base; an electroluminescence layer on a side of the first electrode away from the micro-nano structure layer; and a second electrode on a side of the electroluminescence layer away from the first electrode.

A light-emitting element includes an anode, an HTL, an EML, an ETL, and a cathode layered in this order, the HTL includes at least one protruding portion protruding in a layering direction, and an IL overlapping the protruding portion in a plan view is provided between the protruding portion and the EML.

A display substrate and a display device are provided, which includes: a base substrate, a plurality of reset signal lines and a first electrode layer, the first electrode layer includes a plurality of first power supply voltage lines, a plurality of first signal lines, a plurality of first transfer electrodes, a plurality of second transfer electrodes and a plurality of third transfer electrodes, a value of a ratio of an area of an overlapping portion of an orthographic projection of the first body sub-portion and an orthographic projection of the first electrode layer on the board surface of the base substrate, and an area of an overlapping portion of an orthographic projection of the second body sub-portion on the board surface of the base substrate and the orthographic projection of the first electrode layer on the board surface of the base substrate ranges from 0.82 to 1.02.

A display substrate is provided, including: a base substrate; a plurality of first repeating units located in a first display area, each of the first repeating units including a plurality of sub-pixels; and a plurality of second repeating units located in a second display area, each of the second repeating units comprising a plurality of sub-pixels. A distance between two adjacent first repeating units along a first direction is a first pitch, a distance between two adjacent second repeating units along the first direction is a second pitch, and the first pitch is greater than the second pitch. In one of the first repeating units, a distance between two adjacent sub-pixels along the first direction is a first distance, and the first distance and the second pitch are in a following relationship: 0.15*the second pitch≤the first distance≤0.4*the second pitch.

The present invention provides an organic light emitting diode (OLED) display panel and a display device. In the present invention, the planarization layer is disposed with a recess, the anode layer fully covers the recess and extend upward along the sidewall of the recess for a predetermined length. The light emitting layer is disposed opposite the anode layer. When the light emitting layer emits out light, a bottom and a side portion of the light emitting layer in a light emitting region generate light, and the light is emitted out at a corresponding angle to increase light emitting area and angle of the light emitting layer and reduce phenomenon of the color shift of the OLED display panel display screen under a great angle of view to increase a viewable angle of view.

A display panel has a display area including a light-transmissive area. The display panel includes a substrate, and a plurality of shielding patterns, a plurality of light-emitting layers and a plurality of cathodes that are disposed in the light-transmissive area and on the substrate. Orthogonal projections of the plurality of shielding patterns on the substrate are separated from each other. Each light-emitting layer and a respective cathode constitute a portion of a light-emitting device. The light-emitting device has an active light-emitting area. An orthogonal projection of the active light-emitting area on the substrate is located within an orthogonal projection of a cathode of the light-emitting device on the substrate. The plurality of cathode is located at a side of a respective shielding patterns away from the substrate. An orthogonal projection of the shielding pattern on the substrate covers the orthogonal projection of the cathode on the substrate.

An electronic device of an embodiment of the present disclosure may include an optical sensor, and an organic light emitting diode display panel that includes a first region corresponding to where the optical sensor is disposed and a second region distinct from the first region. The organic light emitting diode display panel may include first organic material arrangement regions disposed in the first region, second organic material arrangement regions disposed in the second region, first electrodes disposed on a back surface of the first organic material arrangement regions, second electrodes disposed on a back surface of the second organic material arrangement regions, and a common electrode disposed on an upper surface of the first organic material arrangement regions and the second organic material arrangement regions. An area of the first organic material arrangement regions may be larger than an area of the second organic material arrangement regions.