Abstract: The present disclosure discloses an organic light-emitting device, which includes a first electrode and a hole injection layer laminated with each other and formed an ohmic contact therebetween. The hole injection layer is characterized by a carrier mobility of less than 2×10?5 CM2V?1S?1.

Abstract: An organic electroluminescence device includes a first electrode, a second electrode, and an emission layer between the first electrode and the second electrode. The emission layer includes a first host and a second host different from the first host, thereby achieving high efficiency and a long device life.

Abstract: Disclosed are indolocarbazole polycyclic aromatic derivatives that can be employed in various organic layers of organic electroluminescent devices. The indolocarbazole derivatives have a boron-containing structure. Also disclosed are organic electroluminescent devices including the indolocarbazole derivatives. The organic electroluminescent devices are highly efficient and long lasting and have greatly improved luminous efficiency.

Abstract: The present invention relates to an electronic device comprising between a first electrode and a second electrode at least one first semiconducting layer comprising: (i) at least one first hole transport matrix compound consisting of covalently bound atoms and (ii) at least one electrical p-dopant selected from metal borate complexes, wherein the metal borate complex consists of at least one metal cation and at least one anionic ligand consisting of at least six covalently bound atoms which comprises at least one boron atom, wherein the first semiconducting layer is a hole injection layer, a hole-injecting part of a charge generating layer or a hole transport layer, a method for preparing the same and a respective metal borate compound.

Abstract: Provided are an organic optoelectronic diode and a display device, the organic optoelectronic diode including a cathode and an anode facing each other; at least one organic layer disposed between the cathode and the anode, wherein the organic layer includes a composition for an organic optoelectronic device including a first compound for an organic optoelectronic device represented by a combination of Chemical Formula 1 and Chemical Formula 2, and a second compound for an organic optoelectronic device represented by Chemical Formula 3; and a dopant having a maximum emission wavelength of 570 nm to 750 nm. The detailed descriptions of Chemical Formula 1 to Chemical Formula 3 are the same as that defined in the specification.

Abstract: The present disclosure relates to compounds of Formula (I) as useful materials for OLED's. X is C(R)2, O, S or —N(Ph); at least one of A1 and A2 is CN, cyanoaryl, or heteroaryl having at least one nitrogen atom as a ring-constituting atom; and at least one of D1, D2, D3 and D4 is diarylamino.

Abstract: A light-emitting device includes: an anode; a cathode facing the anode; an emission layer between the anode and the cathode; and an electron control layer between the emission layer and the cathode, wherein the electron control layer includes an electron control compound represented by Formula 5: A method of manufacturing the light-emitting device includes: forming an emission layer on an anode; and forming an electron control layer on the emission layer, wherein the electron control layer includes an electron control compound represented by Formula 5.

Abstract: Described herein are electronics that incorporate heterocyclic organic compounds. More specifically, described herein are organic electronics systems that are combined with donor-acceptor organic semiconductors, along with methods for making such devices, and uses thereof.

Abstract: The present invention relates to binuclear metal complexes and electronic devices, in particular organic electroluminescent devices containing said metal complexes.

Abstract: An organic light emitting diode includes a first electrode; a second electrode facing the first electrode; and an organic emitting layer between the first and second electrodes. The organic emitting layer includes a first emitting part between the first and second electrodes, a second emitting part between the first emitting part and the second electrode, and a charge generation layer between the first emitting part and the second emitting part. The charge generation layer includes an n-type charge generation layer between the first emitting part and the second emitting part, and a p-type charge generation layer between the n-type charge generation layer and the second emitting part. The p-type charge generation layer has a multi-layered structure, where an organic charge generation material layer and an inorganic charge generation material layer are alternately stacked.

Abstract: The invention relates to specific phenanthrenes, the use of the compound in an electronic device, and an electronic device containing at least one of said compounds. The invention further relates to a method for producing the compound and a formulation and composition containing one or more of the compounds.

Abstract: The present disclosure relates to an organic light emitting diode including an emitting material layer that has a host and two different delayed fluorescent materials whose energy levels are controlled and an organic light emitting device including the diode. Exciton energy is transferred from a first delayed fluorescent dopant to a second delayed fluorescent dopant, which has singlet and triplet energy levels lower than singlet and triplet energy levels of the first delayed fluorescent dopant and a narrow FWHM (full-width at half maximum) compared to the first delayed fluorescent dopant so that efficient light emission can be realized.

Abstract: The present invention provides a thermally activated delayed fluorescent material, a method for preparing the same, and an electroluminescent device including a compound consisting of a receptor A and a donor D, the compound having a molecular structure of D-A shown in Formula 1: D-A ??Formula 1 wherein the receptor A is selected from any one of the following structural formulas: wherein R is selected from any one of the following structural formulas: and the donor D is selected from any one of the following structural formulas:

Abstract: An organic light-emitting device including an emission layer that is adjacent to a hole blocking layer or an electron blocking layer and includes a thermally activated delayed fluorescence (TADF) emission dopant.

Abstract: Disclosed is an organic light-emitting diode and an organic light-emitting device including the organic light-emitting diode. The organic light-emitting diode includes a cathode electrode; an anode electrode; a first emitting material layer including a first host and a first delayed fluorescent material, which is between the cathode electrode and the anode electrode; and a second emitting material layer having a second delayed fluorescent material and a first fluorescent or phosphorescent material, between the cathode electrode and the anode electrode. The organic light-emitting diode has enhanced luminous efficiency and color continuity.

Abstract: The present invention is directed to an electroluminescent device comprising: —at least one node layer, —at least one cathode layer, —at least one light emitting layer, —at least one first hole transport layer, —at least a first electron transport layer; wherein for increasing power efficiency the compositions of the light emitting layer, the hole transport layer and the electron transport layer are matched to one another, wherein—the at least one light emitting layer is arranged between the anode layer and the cathode layer, wherein the at least one light emitting layer comprises: —at least one fluorescent emitter compound embedded in at least one polar emitter host compound, wherein—the at least one polar emitter host compound has at least three aromatic rings, which are independently selected from carbocyclic rings and heterocyclic rings; —the at least one first hole transport layer is arranged between the anode layer and the light emitting layer, wherein the at least one first hole transport layer compris

Abstract: An organic electroluminescent device includes a pair of electrodes; and an organic layer between the pair of electrodes, which includes a light-emitting layer, wherein the organic layer contains a compound represented by the following formula (I); and the light-emitting layer contains a iridium complex phosphorescent material: wherein R1, R2, R3, R4, R5, R6, R7 and R8 each represents a hydrogen atom or a substituent, and contiguous substituents of R1 to R8 may be bonded to each other to form a condensed ring; R9 represents an alkyl group, an alkenyl group, an aryl group, a hetero-aryl group, or a silyl group, and each of which group may be substituted with a substituent; and at least one of R1 to R9 represents a deuterium atom or a substituent containing a deuterium atom.

Abstract: The present invention relates to acridine compound of formula structure (I), and to an electron transport layer, which comprises at least one compound of formula (I), an semiconductor layer comprising at least one compound of formula (I) as well as to an electronic device comprising a semiconductor layer thereof.

Abstract: An organic light-emitting device including a first electrode, a second electrode facing the first electrode, and an emission layer disposed between the first electrode and the second electrode, wherein the emission layer includes a predetermined host and a thermally activated delayed fluorescence emitter.

Abstract: A compound according to Formula (1), in which D is an electron donor containing a nitrogen atom and is bonded to a benzene ring through the nitrogen atom; A is an electron acceptor containing a boron atom and is bonded to a benzene ring through the boron atom; m and n are each an integer selected from 1, 2 or 3; and R11, R12, R13, R14 are each independently selected from the group consisting of a hydrogen atom, alkyl, alkoxy, cyano, trifluoromethyl, an electron acceptor A?, and a nitrogen-containing electron donor D. In the compound, biphenyl acts as a linking unit between the electron donor D and the electron acceptor A, such that units D and A are located at different positions of the molecule, realizing effective separation between HOMO and LUMO. In addition, the light absorption and vibration strength of the molecule are enhanced.