An electroluminescent display device includes a first substrate including a display area and a non-display area adjacent to the display area, the display area including a plurality of pixel regions; an emitting diode on the first substrate and in each of the plurality of pixel regions; a bank disposed at a boundary of each pixel region and including a first pore; a dam disposed in the non-display area and including a second pore; and a second substrate disposed on the dam and covering the emitting diode, wherein the first pore and the second pore have a different size or volume %.

Provided is a display substrate including a substrate and a plurality of light emitting units and a plurality of light detection units located on the substrate, At least one light emitting unit includes a light emitting element and a pixel circuit connected to the light emitting element, and at least one light detection unit includes an optical sensing element and a light emitting detecting circuit connected to the optical sensing element. At least one inorganic hydrogen barrier layer is arranged on one side of the optical sensing element close to the substrate. The light emitting element has a first light emitting region and a second light emitting region, the first light emitting region of the light emitting element emits light from a side away from the substrate, and the second light emitting region of the light emitting element emits light from a side close to the substrate.

A display device may include a first substrate and a second substrate. The first substrate may include an active area in which a light emitting element is disposed and a non-active area surrounding the active area. The second substrate may be disposed on the first substrate. The display device may further include an adhesive layer disposed between the first substrate and the second substrate. The display device may include a coating layer disposed to contact a portion of the first substrate, a portion of the second substrate, and a portion of the adhesive layer.

A highly reliable display apparatus is provided. The display apparatus includes a first light-emitting device, a second light-emitting device, and an inorganic insulating layer. The first light-emitting device includes a first pixel electrode, a first light-emitting layer over the first pixel electrode, and a common electrode over the first light-emitting layer. The second light-emitting device includes a second pixel electrode, a second light-emitting layer over the second pixel electrode, and the common electrode over the second light-emitting layer. The inorganic insulating layer covers side surfaces of the first pixel electrode, the second pixel electrode, the first light-emitting layer, and the second light-emitting layer. The hydrogen concentration and the carbon concentration in the inorganic insulating layer are each preferably sufficiently low.

A an organic light-emitting display apparatus, including a first substrate, a display unit having a plurality of organic light-emitting devices that is formed on the first substrate, a second substrate disposed on the display unit, and a filler included between the first substrate and the second substrate. The organic light-emitting device includes a first electrode formed on the first substrate, an intermediate layer that is disposed on the first electrode and includes an organic emission layer, and a porous second electrode disposed on the intermediate layer.

A flexible OLED display panel is disclosed and includes an encapsulation structure. The encapsulation structure includes: a first inorganic thin film formed on a surface of an OLED display layer and a surrounding region of the surface; a first organic thin film formed on a surface of the first inorganic thin film; and a plurality of dams. Each of the dams has a first sub-dam close to the first inorganic thin film and a second sub-dam away from the first inorganic thin film. A gap is formed between the first sub-dam and the second sub-dam which are located at a same side. The gap is filled with desiccant.

A thermoplastic elastomer layered body including a first resin layer, a moisture absorption layer, and a second resin layer in this order, wherein the first resin layer is formed of a first thermoplastic elastomer, the moisture absorption layer contains particles that have hygroscopicity and are dispersed in the moisture absorption layer, and the second resin layer is formed of a second thermoplastic elastomer; and an organic electroluminescent device including the same. Each layer may contain a hydrogenated styrene-isoprene copolymer or a silane modified product thereof as a main component.

Disclosed are an organic light-emitting device and an organic light-emitting display device capable of improving reliability thereof. The organic light-emitting device or the organic light-emitting display device includes an organic encapsulation layer disposed on a light-emitting element, and the organic encapsulation layer includes a first organic encapsulation layer disposed on an inorganic encapsulation layer and a second organic encapsulation layer disposed so as to surround the first organic encapsulation layer and including a moisture-absorbent material. As such, it is possible to achieve a reduction in cost and to prevent moisture or oxygen from being introduced from the outside into the side surface of the organic light-emitting device.

The present disclosure provides an OLED display panel including a display substrate having a displaying region and a surrounding region, a package substrate covering the display substrate, and a UV-cured encapsulant composition located at the surrounding region of the display substrate so as to seal a gap between the display substrate and the package substrate. An organic light-emitting element is formed at the displaying region of the display substrate. The UV-cured encapsulant composition contains in weight percentage 1% to 90% of inorganic nano particles.

The present invention provides a light-emitting device comprising a first light-emitting element that emits red light, a second light-emitting element that emits green light, a third light-emitting element that emits blue light, and a color filter, where the color filter comprises a first coloring layer that selectively transmits red light, a second coloring layer that selectively transmits green light, and a third coloring layer that selectively transmits blue light, the first to third light-emitting elements respectively correspond to the first to third coloring layers, wherein each of the first to third light-emitting elements has a first electrode, an electroluminescent layer on the first electrode, and a second electrode on the electroluminescent layer, and wherein the electroluminescent layer includes a layer in contact with the second electrode, and a metal oxide or a benzoxazole derivative is included in the layer in contact with the second electrode.