Abstract: A hole transport material, a manufacturing method thereof, and an electroluminescent device are provided. A main chain of a molecular structure of the hole transport material includes spiro aromatic amine, and a branch chain of the molecular structure of the hole transport material includes an aryl group or a heteroaryl group. The hole transport material can effectively improve performance of hole injection and hole transport, thereby balancing electrons and holes in electroluminescent devices and realizing relatively low voltage and relatively high efficiency.

Abstract: The present disclosure relates to organic compounds and an organic light emitting display device using the same and more particularly, to an organic light emitting display in which an organic compound represented by the following Chemical Formula 1 is used for a hole transport layer or an electron blocking layer of the organic light emitting element to easily transport holes injected from an anode to a light emitting layer and suppress the leakage of electrons from the light emitting layer. Therefore, it is possible to provide an organic light emitting display device with high luminous efficiency and long lifetime.

Abstract: Provided are an organic electric element, a display panel and a display device including the organic electric element which include a charge generating layer including a first layer comprising a first compound and a second compound and a second layer comprising a third compound so that they may have excellent efficiency or lifespan.

Abstract: A light emitting device of an embodiment includes a first electrode oppositely disposed to a second electrode, and multiple 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, thereby showing improved emission efficiency:

Abstract: An organometallic compound represented by Formula 1: wherein, in Formula 1, M is a transition metal, X1 to X4 each independently C or N, X5 is O, S, N(R?), C(R?)(R?), or C(?O), wherein a bond between X5 and M is a covalent bond, and one of a bond between X2 and M, a bond between X3 and M, and a bond between X4 and M is a covalent bond, and the other two are each a coordinate bond, ring CY1 to ring CY4 are each independently a C5-C30 carbocyclic group or a C1-C30 heterocyclic group, and wherein T1 to T4, n1 to n4, Z1 to Z4, d1 to d4, L1 to L4, R1 to R4, a1 to a4, b1 to b4, and c1 to c4 are as provided herein.

Abstract: A condensed-cyclic compound represented by Formula 1A: wherein in Formula 1A, groups, substituents, and variables are the same as defined in the specification.

Abstract: The present disclosure herein relates to a luminescence device including a polycyclic compound represented by Formula 1 in at least one functional layer and achieving a low driving voltage, high efficiency, and long life, and a polycyclic compound represented by Formula 1 below.

Abstract: Provided are novel silyl-containing acetylacetonate derivatives compounds. Also provided are formulations comprising these silyl-containing acetylacetonate derivatives compounds. Further provided are OLEDs and related consumer products that utilize these silyl-containing acetylacetonate derivatives compounds.

Abstract: Provided are a functionalized polycyclic aromatic hydrocarbon compound and a light-emitting device including the same. The functionalized polycyclic aromatic hydrocarbon compound is structurally stable, and exhibits high light-emission characteristics since aggregation caused by ?-? stacking is inhibited, and thus may have high efficiency and long lifespan characteristics.

Abstract: To provide a light-emitting element having high luminous efficiency and to provide a light-emitting device and an electronic device which consumes low power and is driven at low voltage, a carbazole derivative represented by the general formula (1) is provided. In the formula, ?1, ?2, ?3, and ?4 each represent an arylene group having less than or equal to 13 carbon atoms; Ar1 and Ar2 each represent an aryl group having less than or equal to 13 carbon atoms; R1 represents any of a hydrogen atom, an alkyl group having 1 to 6 carbon atoms, a substituted or unsubstituted phenyl group, and a substituted or unsubstituted biphenyl group; and R2 represents any of an alkyl group having 1 to 6 carbon atoms, a substituted or unsubstituted phenyl group, and a substituted or unsubstituted biphenyl group. In addition, l, n, and n are each independently 0 or 1.

Abstract: A compound represented by the following formula (1): wherein in the formula (1), a ring XB is a six-membered hydrocarbon ring or a six-membered heterocyclic ring having one or two nitrogen atoms; one or more sets of adjacent two of XB1 to XB4 are fused with a substituted or unsubstituted hydrocarbon ring including 5 to 50 ring carbon atoms, or a substituted or unsubstituted heterocyclic ring including 5 to 50 ring atoms; one or more sets of adjacent two of XC1 to XC3 are fused with a substituted or unsubstituted hydrocarbon ring including 5 to 50 ring carbon atoms or a substituted or unsubstituted heterocyclic ring including 5 to 50 ring atoms.

Abstract: A novel organic compound is provided. That is, a novel organic compound that is effective in improving element characteristics and reliability is provided. The organic compound is represented by General Formula (G1) having a dibenzobenzofuroquinoxaline skeleton or a dibenzobenzothienoquinoxaline skeleton. In General Formula (G1), Q represents O or S, at least one of R1 to R12 represents a first group having a substituted or unsubstituted condensed aromatic ring or condensed heteroaromatic ring having 3 to 30 carbon atoms, and the other or others of R1 to R12 each independently represent any one of hydrogen, a halogeno group, a hydroxy group, an amino group, a nitro group, and a group having 1 to 50 carbon atoms.

Abstract: An OLED is disclosed whose emissive layer has a first host and an emitter, where the emitter is a phosphorescent metal complex or a delayed fluorescent emitter, where EH1T, the T1 triplet energy of the first host, is higher than EET, the T1 triplet energy of the emitter, where EET is at least 2.50 eV, where the LUMO energy of the first host is higher than the HOMO energy of the emitter, where the absolute value of the difference between the HOMO energy of the emitter and the LUMO energy of the first host is ?E1, where a??E1?EET?b; and where a?0.05 eV, and b?0.60 eV.

Abstract: An organic electroluminescence device is provided, which may include a first electrode, a hole transport region disposed on the first electrode, an emission layer disposed on the hole transport region, an electron transport region disposed on the emission layer, and a second electrode disposed on the electron transport region. The hole transport region may include a diamine compound represented by Formula 1, thereby exhibiting high light emission efficiency.

Abstract: An organometallic compound is represented by Formula 1 and an organic light-emitting device includes the same. The organic light-emitting device includes: a first electrode; a second electrode facing the first electrode; and an interlayer located between the first electrode and the second electrode and including an emission layer, wherein the interlayer includes at least one of the organometallic compound represented by Formula 1.

Abstract: This invention relates to the development of heterocyclic materials with high triplet excitation energy, which can be used as host materials in electroluminescent devices such as a PHOLED. The materials improve the performance of such devices by enhancing the lifetime and efficiency of the device when the newly developed heterocyclic materials are utilized as a host.

Abstract: The present specification relates to a heterocyclic compound represented by Chemical Formula 1, and an organic light emitting device including the same.

Abstract: An organic electroluminescent device having a structure of at least an anode 2, a light-emitting layer 3 and a cathode 4 layered in that order, wherein the light-emitting layer 3 contains a first host material, a second host material and a light-emitting material of a dopant, and both the first host material and the second host material have a lowest excited triplet energy level higher than the lowest excited triplet energy level of the light-emitting material. The device is protected from performance deterioration with time in driving and has a long lifetime.

Abstract: Provided is a compound capable of improving luminous efficiency, stability and lifetime of an organic electronic device, an organic electric element using the same, and an electronic device comprising the element.

Abstract: The present invention describes diazadibenzofuran or diazadibenzothiophene derivatives substituted by carbazole, fluorene, phenanthrene, benzofuran and/or benzothiophene groups, especially for use in electronic devices. The invention further relates to a process for preparing the compounds of the invention and to electronic devices comprising these.