Disclosed are a structure of an organic light-emitting diode capable of lowering an operation voltage, and improving luminous efficacy and lifetime of an organic light-emitting diode, and a material thereof.

A novel display device that is highly convenient, useful, or reliable is provided. The display device includes a first light-emitting device, a second light-emitting device, an insulating film, a conductive film, a first reflective film, and a second reflective film; the first light-emitting device includes a first electrode, a second electrode, and a first unit; and the first electrode is interposed between the first unit and the insulating film. The second light-emitting device includes a third electrode, a fourth electrode, and a second unit; the third electrode is interposed between the second unit and the insulating film; and a first gap is provided between the third electrode and the first electrode. The conductive film electrically connects the second electrode and the fourth electrode to each other, and the first gap is interposed between the conductive film and the insulating film. The first reflective film is interposed between the first electrode and the insulating film, and there is a first distance DR between the first reflective film and the second electrode. The second reflective film is interposed between the third electrode and the insulating film, and there is a second distance DG between the second reflective film and the fourth electrode. The second distance DG is longer than the first distance DR and the difference is larger than 20 nm and smaller than 85 nm.

An organic molecule having a structure of Formula I: ##STR00001##
for the application in optoelectronic devices.

An optical film having high anti-glare properties and favorable fingerprints wiping off properties is provided. The optical film has a first surface, and a second surface which is a surface opposite to the first surface, wherein the optical film comprises an anti-reflection layer and an anti-glare layer in this order from the first surface to the second surface, the first surface has a profile of depressions and projections, the first surface has an arithmetic mean height Sa of 0.05 ?m or more specified in ISO 25178-2:2012, and the first surface satisfies the relation represented by the following Expression 1: Sw?Vmp?2.00 (Expression 1) wherein Sw represents a tilt angle (degrees) of 30 ?l pure water droplet flowing down on the first surface; and Vmp represents a value of a peak material volume (ml/m.sup.2) of the first surface specified in ISO 25178-2:2012.

An optical film having high anti-glare properties and favorable fingerprints wiping off properties is provided. The optical film has a first surface, and a second surface which is a surface opposite to the first surface, wherein the optical film comprises an anti-reflection layer and an anti-glare layer in this order from the first surface to the second surface, the first surface has a profile of depressions and projections, the first surface has an arithmetic mean height Sa of 0.05 ?m or more specified in ISO 25178-2:2012, and the first surface satisfies the relation represented by the following Expression 1: Sw?Vmp?2.00 (Expression 1) wherein Sw represents a tilt angle (degrees) of 30 ?l pure water droplet flowing down on the first surface; and Vmp represents a value of a peak material volume (ml/m.sup.2) of the first surface specified in ISO 25178-2:2012.

Phase separated articles that include a matrix phase including an acrylate copolymer; and a silicone elastomer phase stably dispersed in the matrix phase are described. The matrix phase may be derived from precursors comprising from 60 to 95 parts by weight of an alkyl acrylate having an alkyl group having 1 to 14 carbon atoms. Methods of forming phase separated articles, and articles including phase separated articles are also described.

Embodiments of the present disclosure relate to an organic light emitting element and a display device. Specifically, there may be provided an organic light emitting element including a first compound represented by chemical formula 1 and a second compound represented by chemical formula 2 to provide excellent efficiency, long lifespan or low driving voltage and a display device including the organic light emitting element.

Provided is a novel compound capable of improving the luminous efficiency, stability and lifespan of a device, an organic electronic device using the same, and an electronic device.

The present invention relates to a novel heterocyclic compound and an organic light emitting device comprising the same.

An organic EL device includes a pair of electrodes and an organic compound layer between pair of electrodes. The organic compound layer includes an emitting layer including a first material, a second material and a third material, in which singlet energy EgS(H) of the first material, singlet energy EgS(H2) of the second material, and singlet energy EgS(D) of the third material satisfy a specific relationship.