A light-emitting device includes a substrate, an active device layer, a bank structure and organic light-emitting materials. The active device layer is located on the substrate. The bank structure is located on the active device layer. The bank structure includes at least one first bank and a plurality of second banks. The at least one first bank has arc surfaces and includes hydrophilic materials. The second banks extend along the first direction, and the second banks include a hydrophobic material. The bank structure has a plurality of openings. Two sides of each opening are defined by two corresponding arc surfaces of the at least one first bank, and the other two sides of each opening are defined by two opposite side walls of the corresponding two second banks. The organic light-emitting materials are filled into the openings of the bank structure.

The present disclosure relates to a package structure, a display panel, a display device, and a method for detecting a package structure. The package structure includes a first package layer and a second package layer disposed opposite to each other, and a sealing element between the first package layer and the second package layer for forming a sealed space between the first package layer and the second package layer. The package structure further includes a detecting element located in the sealed space, the detecting element including an oxygen sensitive material, the oxygen sensitive material including a material whose light emission characteristics are changed after exposure to oxygen.

A display device includes: a resin layer on the circuit layer including a groove surrounding and separating a display area; light-emitting elements on an upper surface of the resin layer so as to emit light with luminances controlled by the currents; a sealing layer covering the light-emitting elements; a second substrate above the sealing layer; a sealing material provided between the sealing layer and the second substrate so as to surround the display area and the groove; and a filling layer surrounded by the sealing material between the sealing layer and the second substrate. The groove is formed along a line describing a shape that is inscribed in a rectangle and not in contact with corners of the rectangle as viewed in a direction vertical to the upper surface of the resin layer.

Disclosed is a liquid composition for an encapsulant of an organic light-emitting device. The liquid composition is free of a physical and chemical hygroscopic agent (getter) but includes a binder material having high hygroscopicity including an aliphatic 4-functionalized epoxy-based compound. Thus, the liquid composition for the encapsulant may be rapidly cured at low temperature and may secure excellent storage stability under a high temperature environment.

A display panel and a manufacturing method thereof are provided in the present application. The display panel includes a substrate, a planarization layer disposed on the substrate, and a pixel definition layer disposed on the planarization layer. The display panel includes a test region, wherein a plurality of virtual pixel openings are disposed in the pixel definition layer positioned in the test region, and a plurality of barrier holes in a one-to-one correspondence to the virtual pixel openings are disposed in the planarization layer positioned in the test region, and a barrier layer fills each of the barrier holes.

A display device includes a display part including a display panel in which a plurality of pixels is defined, a roller fastened with the display part and configured to wind or unwind the display part, a roller support unit configured to support the roller at both sides of the roller, and a first grounding unit including a body accommodated inside the roller so as to be movable and a contact portion connected to an outer surface of the body and brought into contact with the roller support unit as the body moves, thus maintaining and enhancing continuity of grounding and maximizing the effect of improving EMI.

The present disclosure provides a display panel including a substrate, an organic electroluminescent device, and an absorbing layer, wherein the organic electroluminescent device is arranged on the substrate, and the absorbing layer covers the organic electroluminescent device and the substrate. The absorbing layer includes an oxygen absorbing layer and a photocatalytic layer for catalyzing water decomposition, the photocatalytic layer covers the organic electroluminescent device and the substrate around the organic electroluminescent device, and the oxygen absorbing layer is covered on the photocatalytic layer and the substrate around the photocatalytic layer.

A transparent desiccant for organic EL and methods for using the transparent desiccant are described, which is a cured product of an organopolysiloxane composition that contains (A) an alkenyl-group-containing organopolysiloxane including a linear organopolysiloxane having at least two alkenyl groups per molecule, (B) chemical formula (I):
H.sub.aR.sub.bSiO.sub.(4-a-b)/2  (I)
(where R is a C1-10 monovalent hydrocarbon group, a is 0.001-1.0, and b is 0.7-2.1), and (C) a hydrosilylation catalyst. The number of mol Y of silicon-atom-bonded hydrogen atoms (mol) in component (B) satisfies the formula 0.002 (mol)≤(Y-X)≤0.8 (mol) relative to the number of mol X of silicon-atom-bonded alkenyl groups (mol) in component (A). The transparent desiccant for an organic EL is highly transparent, capable of top emission, has low shrinkage growth, suppresses loss of an element light-emitting portion, suppresses the short-circuit phenomenon, and has exceptional defoaming properties in the material curing process.

A light-emitting device can be folded in such a manner that a flexible light-emitting panel is supported by a plurality of housings which are provided spaced from each other and the light-emitting panel is bent so that surfaces of adjacent housings are in contact with each other. Furthermore, in the light-emitting device, in which part or the whole of the housings have magnetism, the two adjacent housings can be fixed to each other by a magnetic force when the light-emitting device is used in a folded state.

An encapsulation film, an organic electronic device comprising the same, and a method for manufacturing an organic electronic device using the same are provided. The encapsulation film has excellent reliability that allows forming a structure capable of blocking moisture or oxygen flowing into an organic electronic device from the outside, absorbs and disperses the stress according to panel bending caused by CTE mismatch, and overcomes the performance decrease due to reliability degradation, while preventing generation of bright spots in the organic electronic device.