Abstract: Provided are a condensed cyclic compound and an organic light-emitting device including the same. The organic light-emitting device may include a first electrode, a second electrode, and an organic layer disposed between the first electrode and the second electrode. The organic layer may include the condensed cyclic compound represented by Formula 1: In Formula 1, rings A1, A2, and A3 may each be independently a C5-C60 carbocyclic group or a C2-C30 heterocyclic group, and n1 to n3 may each be independently 0 or 1, provided that the sum of n1, n2, and n3 is 1. In addition, the descriptions of X1, L1 to L9, a1 to a9, Ar1 to Ar6, b1 to b6, R1 to R3, and c1 to c3 are as defined in the present specification.

Abstract: The embodiments provide a fluorescent rare earth complex having strong emission intensity and excellent durability, and also provide a security medium using the complex. The rare earth complex according to the embodiment comprises a rare earth ion, a diphosphine dioxide ligand and a ?-diketone ligand wherein two phosphorus atoms contained in the diphosphine dioxide ligand individually have substituents different from each other.

Abstract: A heterocyclic compound, a composition including the heterocyclic compound, and an organic light-emitting device including the heterocyclic compound are disclosed. The heterocyclic compound is represented by Formula 1: wherein, X1, L1, a1, Ar1, R1 to R6, b3, b4, and b5 are described herein.

Abstract: A compound having the formula Ir(LA)n(LB)3?n, having the structure Formula I, is disclosed. In Formula I, each of Z1, Z2, Z3, and Z4 is CR2; X is O, S, or Se; n is an integer from 1 to 3; R1, R2, R3, R4, and R5 each independently represent mono- to a maximum possible number of substitutions, or no substitution; R1, R2, R3, R4, and R5 are each independently selected from a variety of substituents; any two substitutions in R1, R2, R3, R4, and R5 are optionally joined to form a ring; at least one pair of substitutions in R1, R2, R3, R4, and R5 are joined together to form a bridge structure comprising a backbone structure that forms a fused first ring, which can be further substituted; and the backbone structure is saturated. Organic light emitting devices and consumer products containing the compounds are also disclosed.

Abstract: A compound comprising a first ligand LA of Formula I, is disclosed. In the structure of Formula I, ring A is a 5-membered or 6-membered carbocyclic or heterocyclic ring; Z1-Z4 are each independently C or N; at least two consecutive Z1-Z4 are C, and are fused to a structure of Formula II or Formula III Y1; Y1 and Y2 are each independently O, S, Se, CRR?, SiRR?, or GeRR?; each RA, RB, RC, R, and R? is a hydrogen or a substituent; and any two substituents may be joined or fused together to form a ring. In the compound, LA is complexed to a metal M by the dashed lines in Formula I to form a five-membered chelate ring, and M has an atomic weight greater than 40. Organic light emitting devices and consumer products containing the compounds are also disclosed.

Abstract: A composition is disclosed that includes a first compound capable of functioning as a host in an emissive layer of an OLED at room temperature; and a second compound that includes a ligand LA of Formula III where ring A is a 5-membered or 6-membered carbocyclic or heterocyclic ring; where R represents two adjacent substituents that are joined together to form a ring that is fused to ring B, and R has a structure of Formula IV or Formula V disclosed herein.

Abstract: The present disclosure provides an organic emitting compound of the following Formula, and an organic light emitting diode, which includes a first electrode; a second electrode facing the first electrode; and a first emitting material layer positioned between the first electrode and the second electrode and including a first host and the organic emitting compound, and an organic light emitting display device including the organic light emitting diode.

Abstract: The present disclosure provides a novel compound and an organic light-emitting device comprising the same. When the novel compound is applied as a hole transport material to an organic light emitting device, the novel compound allows the device to have improved drive voltage, efficiency and lifespan characteristics.

Abstract: An organic light-emitting device includes: a first electrode; a second electrode facing the first electrode; an organic layer between the first electrode and the second electrode and including an emission layer; and at least one heterocyclic compound represented by Formula 1: The organic light-emitting device including at least one heterocyclic compound as represented above may have a low driving voltage, high emission efficiency, and improved lifetime characteristics.

Abstract: An object is to provide a light-emitting element with high emission efficiency. The light-emitting element contains first to third organic compounds. The first organic compound has a function of converting triplet excitation energy into light. The second organic compound has a benzofuropyrimidine skeleton or a benzothienopyrimidine skeleton. The third organic compound is a fluorescent compound. Light emitted from the light-emitting element is light emitted from the third organic compound that receives excitation energy from the first organic compound or from an exciplex formed by the first and second organic compounds.

Abstract: A compound having the structure of Formula I is disclosed. In the structure of Formula I, each of R1, R2, and R3 is independently a hydrogen, a non-fused aryl group having one meta-substituent, or a non-fused heteroaryl six-membered ring having one or more meta-substituents; each meta-substituent is a non-fused aryl or non-fused heteroaryl six-membered ring optionally substituted with further substituents selected from the group consisting of non-fused aryl groups, non-fused heteroaryl groups, and alkyl groups; and at least one of R1, R2, and R3 is a non-fused aryl having one meta-substituent or a heteroaryl six-membered ring having at least one meta-substituent, wherein each meta-substituent is a non-fused aryl or non-fused heteroaryl group further substituted with a chain of at least two non-fused aryl or non-fused heteroaryl groups. The compounds may be useful in phosphorescent organic light emitting devices.

Abstract: An organic light emitting diode includes a first electrode; a second electrode facing the first electrode; and an emitting material layer including a first compound and a second compound and positioned between the first and second electrodes. An energy level of the first compound and an energy level of the second compound satisfy a pre-determined condition. Further, an organic light emitting device may include the organic light emitting diode.

Abstract: An organic compound including a carbazolyl moiety having a p-type property, a dibenzofuranyl or dibenzothiophenyl moiety having an n-type property and further substituted with a dibenzofuranyl or dibenzothiophenyl moiety is disclosed. An organic light emitting diode and an organic light emitting device including the organic compound are also disclosed. The organic compound has excellent thermal resistance and a high energy level due to the combination of fused hetero aromatic rings. Therefore, the organic light emitting diode and the organic light emitting device including the organic compound show excellent luminous efficiency and an improved luminous lifetime.

Abstract: The present invention provides a hole transport material, a preparation method thereof, and an electroluminescent device. Through ingenious molecular design, a xanthracene structure is combined with different electron-donating groups to synthesize a series of hole transport materials with a suitable highest occupied molecular orbital (HOMO) energy level and a suitable lowest unoccupied molecular orbital (LUMO) energy level, and a series of high-performance display devices can be manufactured using the hole transport materials provided by the present invention.

Abstract: A triarylamine derivative represented by a general formula (G1) given below is provided. Note that in the formula, Ar represents either a substituted or unsubstituted phenyl group or a substituted or unsubstituted biphenyl group; ? represents a substituted or unsubstituted naphthyl group; ? represents either hydrogen or a substituted or unsubstituted naphthyl group; n and m each independently represent 1 or 2; and R1 to R8 each independently represent any of hydrogen, an alkyl group having 1 to 6 carbon atoms, or a phenyl group.

Abstract: Indolocarbazole materials with substitution attached at specific positions and methods to synthesize the same are disclosed. The materials are used as hosts for improving performance of organic electroluminescence devices.

Abstract: This organic electroluminescence element includes an anode, a cathode, and an organic layer disposed between the anode and the cathode. The organic layer includes a light-emitting layer and at least one layer disposed between the light-emitting layer and the anode. The light-emitting layer includes a compound represented by formula (1), and the at least one layer disposed between the light-emitting layer and the anode includes a compound represented by formula (2).

Abstract: Provided is an organic light emitting diode display device. The organic light emitting diode display device includes a flexible substrate, including a display region, a first barrier region and a second barrier region, wherein the first barrier region is located between the display region and the second barrier region, and a barrier is disposed on the flexible substrate of the second barrier region; wherein a groove is formed in the flexible substrate of the first barrier region, and an organic light emitting diode unit is disposed on the flexible substrate of the display region.

Abstract: The present invention relates to a composition for an organic optoelectronic element, and an organic optoelectronic element and a display device utilizing same, wherein the composition includes a first compound for an organic optoelectronic element, the first compound being represented by a combination of specific chemical formulae; and a second compound for an organic optoelectronic element, the second compound being represented by a different specific chemical formula.

Abstract: An organic electroluminescence device of the embodiments includes oppositely disposed first electrode and second electrode, and a plurality of organic layers disposed between the first electrode and the second electrode, wherein at least one among the organic layers includes a fused polycyclic compound represented by Formula 1 below, thereby showing improved emission efficiency and long life: Formula 1