Provided are a display module and a display device having the same. The display module includes: a drive substrate, a pixel definition layer, an OLED device layer, a color filter layer including sub-filter regions arranged in one-to-one correspondence to sub-pixel regions, and at least one blocking layer disposed on a side of the OLED device layer away from the drive substrate. Each blocking layer includes opening regions disposed to face the sub-pixel regions along a thickness direction of the drive substrate, and light shielding regions disposed to face portions of two adjacent sub-filter regions at which the two sub-filter regions are connected, along the thickness direction of the drive substrate. A length of a connecting line between two ends of each light shielding region is less than an actual length of the light shielding region on a cross section perpendicular to the drive substrate.

A flexible touch display module (100) and a touch display device (1000) including the flexible touch display module, the flexible touch display module (100) includes: a flexible display panel (1), a flexible cover plate (2), a linear polarization layer (3), a first retardation plate (4) and a second retardation plate (5). An absorption axis of the linear polarization layer (3) is at an angle of about 90°. The first retardation plate (4) includes a first retardation film (41), and the first retardation film (41) is a liquid crystal layer having a quarter-wavelength retardation. The first retardation film (41) has a major axis and a minor axis in a plane parallel to flexible display panel (1), and an included angle between a direction in which the minor axis of the first retardation film (41) extends and the absorption axis of the linear polarization layer (3) is about 45°.

Provided is a display panel, including a base substrate provided with a first display region and a second display region and a plurality of pixels and a packaging layer that are sequentially arranged on the base substrate. The packaging layer includes a first organic layer, and the second display region has a relatively large transmittance. The second display region includes a first sub-display region and a second sub-display region that is proximal to a border of the base substrate relative to the first sub-display region. A difference between a maximum thickness and a minimum thickness of a first portion, disposed in the second display region, of the first organic layer is less than a difference between a maximum thickness and a minimum thickness of a second portion disposed in the second sub-display region.

An electronic device is provided. The electronic device includes a first substrate, a second substrate, a first conductive element, an insulating layer, a first electronic element, and a medium structure. The second substrate is disposed opposite to the first substrate. The first conductive element is disposed on the first substrate. The insulating layer is disposed on the first conductive element and has a first via. The first electronic element is disposed on the insulating layer and electrically connected to the first conductive element through the first via. The medium structure is disposed between the first substrate and the second substrate. The medium structure has a first portion and a second portion. The first portion overlaps with the first via, and the second portion is adjacent to the first portion. In addition, the thickness of the first portion is greater than the thickness of the second portion.

A display device includes a base, a display panel, and a spacer. The display panel is disposed on the base and has a back surface. The back surface has a central area and a peripheral area closer to the edge of the display panel than the central area. The shortest distance between the central area and the base is greater than the shortest distance between the peripheral area and the base. The spacer is disposed between the base and the back surface corresponding to the central area. The spacer is disposed to raise the central portion of the display panel relative to the edge of the display panel, so the arching configuration of the display panel prevents the edge of the display panel from warping.

Provided are a support substrate, a thin-film transistor layer, a light emitter layer having a plurality of light emitters that emit mutually different colors of light, and a sealing layer sealing the light emitter layer. Each light emitter includes a first electrode, a hole transportation layer, an emissive layer, an electron transportation layer, and a second electrode. The electron transportation layer contains an oxide nanoparticle, a binder resin, and a photo-initiator.

A display device includes a base substrate, a thin film transistor layer and a light-emitting element layer. An insular non-display area is provided internal to a display area. A through hole extends in a direction of a thickness of the base substrate in a non-display area. A separation wall is provided in the non-display area so as to surround the through hole. The separation wall includes: a wall base portion made of a same material and in a same layer as a planarization film and provided like a frame; and a wall top portion made of a same material and in a same layer as an inorganic insulation film and provided on the wall base portion like a brim projecting from a display area side toward a through hole side.

A light emitting element includes: a light emitting unit (30); an intermediate layer (40) covering the light emitting unit (30); an optical path control unit (70) disposed on a part of the intermediate layer (40) and having positive optical power; and a covering layer (71) covering an outer region (70A) of the intermediate layer (70) surrounding a part (70B) of the intermediate layer (70) on which the optical path control unit (70) is formed and the optical path control unit (70), and satisfies n.sub.0≥n.sub.1>n.sub.2, in which n.sub.0 represents a refractive index of a material constituting a part (41) of the intermediate layer (40) in contact with the optical path control unit (70), n.sub.1 represents a refractive index of a material constituting the optical path control unit (70), and n.sub.2 represents a refractive index of a material constituting the covering layer (71).

Provided is a display substrate. The display substrate includes: a base substrate, provided with a display region; a plurality of pixel units, disposed in the display region; a barrier structure; surrounding the display region; a first organic film layer, disposed on one side of the base substrate; and at least one first power line, disposed on a side, proximal to the base substrate, of the first organic film layer, wherein one end of the first power line is disposed on a side, distal from the display region, of the harrier structure and configured to receive a first power signal, and the other end of the first power line is disposed on a side, proximal to the display region of the barrier structure and connected to the plurality of pixel units.

Provided is a bendable organic EL display device in which change in tint at a bending portion before and after bending is small. The organic electroluminescent display device is a bendable organic electroluminescent display device including a circularly polarizing plate and a bendable organic EL display panel, in which the circularly polarizing plate includes a polarizer and a retardation layer from a viewing side, the retardation layer includes a first optically anisotropic layer formed by fixing a liquid crystal compound twist-aligned along a helical axis extending in a thickness direction, and the first optically anisotropic layer satisfies a predetermined requirement.