摘要:
An organic light-emitting device includes a first electrode layer; a hole injection layer on the first electrode layer; a hole transport layer on the hole injection layer; an electron blocking layer on the hole transport layer, and including a plurality of layers; a light-emitting layer on the electron blocking layer; an electron transport layer on the light-emitting layer; an electron injection layer on the electron transport layer; and a second electrode layer on the electron transport layer, wherein the electron blocking layer has a highest occupied molecular orbital value which is lower than a highest occupied molecular orbital value of the hole transport layer, and the light-emitting layer has a HOMO value which is lower than a highest occupied molecular orbital value of the electron blocking layer.
摘要:
An organometallic compound including a first electrode, a second electrode, and an organic layer disposed between the first electrode and the second electrode, wherein the organic layer includes an emission layer, and wherein the organic layer further includes a first material represented by Formula 1 and a second material represented by Formula 2: wherein in Formulae 1 and 2, groups and variables are the same as described in the specification.
摘要:
A three-dimensional semiconductor memory device includes a substrate including a cell array region and a connection region, an electrode structure including electrodes vertically stacked on the substrate, the electrodes including pad portions on the connection region, respectively, and the pad portions of the electrodes being stacked in a staircase structure, first vertical structures penetrating the electrode structure on the cell array region, and second vertical structures penetrating the electrode structure on the connection region, each of the second vertical structures including first parts spaced apart from each other in a first direction, and at least one second part connecting the first parts to each other, the at least one second part penetrating sidewalls of the pad portions, respectively.
摘要:
A thin film including a combination of a donor compound and an acceptor compound, and a phosphorescent dopant, wherein the donor compound and the acceptor compound form an exciplex having characteristics described in the specification.
摘要:
A condensed cyclic compound represented by Formula 1: Ar1-(L1)m1-Ar2 Formula 1 wherein, in Formula 1, Ar1, Ar2, L1, and ml are the same as described in the specification.
摘要:
A composition including a donor compound and an acceptor compound, wherein the donor compound and the acceptor compound form an exciplex having characteristics described in the specification.
摘要:
A thin film including a combination of a donor compound and an acceptor compound, and a phosphorescent dopant, wherein the donor compound and the acceptor compound form an exciplex having characteristics described in the specification.
摘要:
An organic light-emitting device including a first electrode, a second electrode facing the first electrode, and an organic layer disposed between the first electrode and the second electrode, wherein the organic layer includes an emission layer, wherein the emission layer includes a host and a dopant, and wherein the organic light-emitting device satisfies predetermined conditions described in the specification.
摘要:
A condensed cyclic compound represented by Formula 1: Ar1-L1-L2-Ar2 Formula 1 wherein Ar1, Ar2, L1, and L2 are the same as described in the specification.