A light emission element of an embodiment of the present disclosure includes at least: a base; a recessed portion provided at a surface of the base; a first electrode layer formed at least partially along a shape of a top surface of the recessed portion; an organic layer formed on the first electrode layer at least partially along a shape of a top surface of the first electrode layer; a second electrode layer formed on the organic layer along a shape of a top surface of the organic layer; and a planarization layer formed on the second electrode layer, in which light from the organic layer is emitted to an outside via the second electrode layer and the planarization layer.

An array substrate and a display panel. The array substrate includes: a base layer including at least one base sub-layer each being a light-transmitting layer; a transistor layer on the base layer, the transistor layer including a plurality of transistors; and at least one light adjustment layer on a side of the transistor layer facing the base layer, the at least one light adjustment layer being configured to block, at least in a preset state, light from at least one side of the at least one light adjustment layer. In the array substrate, the amount of light irradiated on the transistor layer from the side of the base layer is reduced and the photo-induced leakage current in the transistors in the transistor layer is reduced, thus alleviating locally non-uniform brightness of a displayed image.

A display panel and a display device are provided. The display panel includes a bending region and a non-bending region, and the bending region is distributed on a periphery of the non-bending region. The display panel further includes a first functional layer and a second functional layer disposed on a first encapsulation layer. The second functional layer is disposed in the bending region. A refractive index of the second functional layer is greater than a refractive index of the first functional layer. An embodiment of the present invention improves display effects of the display panel.

A light emitting diode display panel may comprise a substrate, a plurality of light emitting diodes located over the substrate, and an optical assembly located over the plurality of light emitting diodes. The optical assembly may include a lens array and a diffuser. An inner surface of the lens array may define a plurality of inner curves.

A display panel and a display apparatus are provided. The display panel includes a substrate, a light-emitting element layer located on a side of the substrate and including light-emitting elements, and a light extraction layer located on a side of the light-emitting element layer away from the substrate. The light extraction layer includes a first refractive index unit and a second refractive index unit that have different refractive indices. In a direction perpendicular to a plane of the substrate, one first refractive index unit overlaps one light-emitting element. The first refractive index unit includes a central portion and a functional portion surrounding the central portion, and a thickness of the functional portion changes gradually in a direction from the central portion to the functional portion. The second refractive index unit is located on a side of the first refractive index unit away from the substrate, and covers the functional portion.

Provided are a display panel, and an electronic device including display panel. The display panel includes: a substrate; a plurality of light emitting elements disposed on the substrate, each of the plurality of light emitting elements including a semiconductor light emitting chip; a plurality of micro lenses disposed on the light emitting elements, respectively, each of the micro lenses surrounding each of the light emitting elements; and a plurality of color conversion layers disposed on or under the plurality of micro lenses, respectively, each of the color conversion layers having a shape corresponding to each of the plurality of micro lenses.

An organic light emitting diode display includes: a substrate including a plurality of sub-pixels that each include an emission area and a non-emission area; a thin film transistor in the non-emission area; a passivation layer on the thin film transistor, the passivation layer including a surface that has random nano-patterns; a first overcoat layer on the passivation layer, the first overcoat layer including a surface having a plurality of micro lenses and the first overcoat layer having a first refractive index; a second overcoat layer on the first overcoat layer, the second overcoat layer including a flat surface and a second refractive index that is greater than the first refractive index of the first overcoat layer; and a light emitting diode on the second overcoat layer in the emission area.

A head mount display device, includes: a display panel; and an optical system positioned in front of the display panel. The display panel sequentially includes a light emitting element part, a third retarder, a reflective polarizer, and an absorptive polarizer, where the third retarder is positioned in front of the light emitting element part; and the optical system includes: a first curved lens, which is positioned to face the display panel, and includes a first retarder positioned on a first surface facing the display panel and a beam splitter positioned on a second surface thereof opposite to the first surface; and a second curved lens, which is positioned to face the beam splitter, and includes a second retarder positioned a first surface thereof facing the beam splitter and a second reflective polarizer positioned on a second surface thereof opposite to the first surface of the second curved lens.

A display device includes a substrate including a display area and a non-display area surrounding the display area, a light emitting structure disposed on the substrate in the display area, a thin film encapsulation layer disposed on the light emitting structure, an optical structure including a first refractive pattern and a second refractive pattern, and a partition wall disposed on the substrate in the non-display area and surrounding the second refractive pattern. The first refractive pattern is disposed on the thin film encapsulation layer, and overlaps the light emitting structure. The second refractive pattern covers the first refractive pattern, has a refractive index smaller than a refractive index of the first refractive pattern, and includes an organic material.

A display device includes a base member, a thin film transistor, an organic insulation film, a light-emitting layer, and a sealing layer. The display device has an active area and a non-active area. The non-active area includes a notched portion and a protrusion portion surrounding the notched portion and having, on a notched portion side, a side face including a reverse-tapered face. The light-emitting layer is disconnected as a result of a step at the protrusion portion. A filling material is embedded in at least a part of a space located between the reverse-tapered face and a top face of the organic insulation film. The top face overlaps the reverse-tapered face in a plan view.