A display device has a thin film transistor layer, a light-emitting element layer, and an electron transport layer provided on a light-emitting layer. The light-emitting element layer includes a plurality of light-emitting elements each of which includes a first electrode, a function layer, and a second electrode, and that emit mutually different colors of light. A first hole transport layer contains a hole transport material, and the light-emitting layer contains a quantum dot. The first hole transport layer contains the quantum dot, and a hole transport material having a predetermined molecular weight or higher. The light-emitting layer contains the quantum dot and a ligand coordinating with the quantum dot. The first hole transport layer contains the quantum dot coordinating with the ligand. The ligand coordinates with the quantum dot so as to prevent the hole transport material from being exposed to the light-emitting layer.

An electronic apparatus includes a display panel including a base substrate including an active area and a peripheral area adjacent to the active area, pixels on the active area, pads on the peripheral area and arranged in a first direction, signal lines connecting the pixels to the pads, and a vernier mark on the peripheral area and spaced apart from the pads and the signal lines, a circuit board on the display panel and including a base film, and leads on the base film and overlapping with the pads in a plan view, and a conductive adhesive member extending in the first direction and between the display panel and the circuit board to connect the pads to the leads. The conductive adhesive member overlaps with the vernier mark when viewed in a second direction intersecting the first direction.

A display device includes a substrate, a corrosion prevention layer on the substrate and including an inorganic material, a first conductive layer on the corrosion prevention layer and including aluminum or an aluminum alloy, a first insulating film on the first conductive layer, a semiconductor layer on the first insulating film and including a channel region of a transistor, a second insulating film on the semiconductor layer, and a second conductive layer on the second insulating film and including a barrier layer, which includes titanium, and a main conductive layer, which includes aluminum or an aluminum alloy, wherein the semiconductor layer includes an oxide semiconductor, and the barrier layer is between the semiconductor layer and the main conductive layer and overlaps the channel region of the transistor.

An organic light-emitting display device includes a substrate having a display area surrounding a through area, and a peripheral area between the through and display areas, a light-emitting element on the display area, a first dam on the peripheral area and surrounding the through area, a first protruding pattern on the first dam and protruding toward the display area from the first dam to define an undercut region, a boundary portion extending from the display area toward the first dam, the boundary portion being spaced apart from the first dam to define a first receiving space therebetween, and an encapsulation layer continuously extending from the display area to the peripheral area, the encapsulation layer including at least one organic layer with a first filling portion filling at least part of the first receiving space and protruding toward the first dam to be aligned with the undercut region.

The present disclosure provides an array substrate, a method for fabricating the same and a display apparatus, which belongs to the field of display technology and may alleviate at least a problem of wide bezel of a display apparatus in the related art. The array substrate includes a display region and a periphery region abutting the display region, the display region being provided with a plurality of AM-OLEDs therein. The array substrate further includes a plurality of PM-OLEDs provided in the periphery region, wherein both of the plurality of AM-OLEDs and the plurality of PM-OLEDs are electrically connected to a power supply driving unit. Since the plurality of PM-OLEDs capable of emitting light are disposed in the periphery region, the array substrate according to the present disclosure can realize a narrow-bezel design.

Provided are a display substrate and a preparation method thereof, and a display apparatus. The display substrate includes a plurality of sub-pixels, and a pixel drive circuit in the sub-pixel includes a drive transistor and a storage capacitor; the display substrate includes a semiconductor layer, a first conductive layer and a second conductive layer which are sequentially disposed on a substrate; the semiconductor layer at least includes an active layer of a drive transistor; the first conductive layer at least includes a first electrode plate; and the second conductive layer at least includes a second electrode plate and an electrode plate connection line, wherein the electrode plate connection line is connected to a second electrode plate in an adjacent sub-pixel in a first direction.

Provided is a display panel. The display panel includes a base substrate, provided with a curved display region and a planar display region, wherein the curved display region is configured for curved display; and a plurality of first sub-pixels disposed in the curved display region and a plurality of second sub-pixels disposed in the planar display region, wherein each of the first sub-pixels and the second sub-pixels includes: a planarization layer, an electrode pattern, a light-emitting pattern, and an electrode layer which are sequentially laminated in a direction going away from the base substrate.

A display panel includes: a plurality of first electrodes disposed on a via-layer and corresponding to a plurality of pixel areas, respectively; a pixel-defining layer disposed on the via-layer; first opening parts corresponding to central portions of the first electrodes and penetrating through the pixel-defining layer; electrode undercuts corresponding to edges of the first opening parts and provided as gaps between the first electrodes and the pixel-defining layer; a plurality of second opening parts corresponding to peripheries of the first electrodes, respectively, and penetrating through the pixel-defining layer; and via-grooves corresponding to the second opening parts and defined on an upper surface of the via-layer; via-undercuts provided by the pixel-defining layer around the second opening parts and the via-layer around the via-grooves.

An electroluminescent display device according to an example embodiment of the present disclosure may include a substrate including an active area having an emission area and a non-active area, a planarization layer disposed on the substrate, a light emitting element disposed on the planarization layer, a buffer layer disposed on the light emitting element and having a plurality of holes in a surface thereof and a hydrogen trap layer disposed on the buffer layer. As a result, by preventing hydrogen inflow into an oxide thin film transistor, characteristics and reliability of the thin film transistor can be improved.

Provided are a photosensitive resin composition which has excellent pattern processabilities (high sensitivity and high resolution) and is excellent in chemical resistance and thermal resistance after thermally treated; a heat-resistant resin or heat-resistant resin precursor used for the composition; and a diamine compound which is a raw material of the resin and the precursor. The diamine compound is a diamine compound represented by a general formula (1).

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