Abstract: Provided are a modifier represented by Formula 1, which is useful for modifying a conjugated diene-based polymer, has excellent affinity with a filler and improves the compounding properties of the conjugated diene-based polymer, a modified conjugated diene-based polymer comprising a functional group derived from the modifier, and a method for preparing the modified conjugated diene-based polymer, wherein all the variables are described herein.

Abstract: The present disclosure relates to an organic electroluminescent compound, a plurality of host materials, and an organic electroluminescent device comprising the same. By comprising the organic electroluminescent compound according to the present disclosure or by comprising a specific combination of compounds according to the present disclosure as a plurality of host materials, it is possible to produce an organic electroluminescent device having improved luminous efficiency, and/or lifetime properties compared to the conventional organic electroluminescent devices.

Abstract: The present disclosure relates to an organic electroluminescent compound represented by Formula 1 and an organic electroluminescent device. The organic electroluminescent device according to the present disclosure can exhibit a low driving voltage and a high current efficiency by having different structures of the compounds comprised in the first hole transport layer, the second hole transport layer, and the third hole transport layer and comprising a fluorene-amine, benzofluorene-amine, or naphthofluorene-amine structure in the second hole transport layer.

Abstract: A method for manufacturing a semiconductor device includes extracting coordinates of vertices of patterns from an optical proximity corrected layout data for an optical proximity corrected layout including the patterns; and inputting the coordinates of the vertices into a transformer model to output whether there is a Mask Rule Check (MRC) violation on the optical proximity corrected layout data.

Abstract: The present invention relates to a modified conjugated diene-based polymer having controlled degree of branching, excellent affinity with a filler, and excellent processability properties and compounding properties, a method for preparing the same, and a rubber composition including the same. The modified conjugated diene-based polymer is prepared using a modifier represented by Formula 1 to include a functional group derived from the modifier in at least one terminal of the polymer chain: 1—wherein R1 to R3 and n are described herein.

Abstract: An organometallic compound represented by Chemical Formula 1, Ir(LA)m(LB)n, and an organic light-emitting diode including the same. The organometallic compound may act as a dopant of a light-emitting layer of the organic light-emitting diode. An operation voltage of the device may be lowered, and luminous efficiency and a lifespan thereof may be improved.

Abstract: The KAI1 protein or a fragment thereof according to the present invention inhibited hepatic fibrosis in mice in which acute hepatic fibrosis was induced by CCl4. The KAI1 protein suppressed hepatic fibrosis by inhibiting fibrosis of hepatocytes treated with TGF-?1 and promoting senescence of hepatic stellate cells. Therefore, the pharmaceutical composition comprising the KAI1 protein according to the present invention may be used to effectively prevent or treat hepatic fibrosis.

Abstract: The present disclosure relates to a plurality of light-emitting materials, an organic electroluminescent compound, and an organic electroluminescent device comprising the same. By comprising the organic electroluminescent compound or a specific combination of compounds according to the present disclosure as a host material and/or a dopant material, it is possible to provide an organic electroluminescent device having improved driving voltage, luminous efficiency and/or lifetime properties compared to conventional organic electroluminescent devices.

Abstract: A modifier useful for modifying a polymer providing a functional group having affinity with a filler, particularly, a silica-based filler is provided. A modified conjugated diene-based polymer including a functional group derived from the modifier having excellent affinity with a filler and improved compounding properties, and a method for preparing the same are also provided.

Abstract: The present disclosure relates to a plurality of light-emitting materials comprising at least one of first compounds and at least one of second compounds, wherein the first compound is represented by formula 1, and the second compound is represented by formula 2, and an organic electroluminescent device having improved lifetime properties can be provided by comprising the plurality of light-emitting materials.

Abstract: The present disclosure relates to a plurality of light-emitting materials, an organic electroluminescent compound, and an organic electroluminescent device comprising the same. By comprising the organic electroluminescent compound or a specific combination of compounds according to the present disclosure as a host material and/or a dopant material, it is possible to provide an organic electroluminescent device having improved driving voltage, luminous efficiency and/or lifetime properties compared to conventional organic electroluminescent devices.

Abstract: Disclosed are an organometallic compound, more particularly, an organometallic compound having phosphorescent properties, and an organic light-emitting diode containing the same. The organometallic compound is represented by Ir(LA)n(LB)3-n, where n is an integer of 1 to 3, LA is a ligand represented by one of Chemical Formula 1-1, Chemical Formula 1-2, and Chemical Formula 1-3, and LB is a bidentate ligand.

Abstract: Disclosed are an organometallic compound represented by Chemical Formula 1, and an organic light-emitting diode containing the same.

Abstract: An organometallic compound represented by Chemical Formula 1, and an organic light-emitting diode containing the same. In the Chemical Formula 1, Z represents one of O (oxygen), S (sulfur) or Se (selenium), m is 1 or 2, n is an integer from 0 to 2, and X Y is a bidentate ligand.

Abstract: Disclosed are an organometallic compound used as a phosphorescent dopant material of a light-emitting layer of an organic light-emitting diode, and the organic light-emitting diode containing the organometallic compound. The organometallic compound is represented by Ir(LA)m(LB)n, where LA is a ligand having a structure represented by Chemical Formula 2, and LB is a bidentate ligand.

Abstract: Disclosed are an organometallic compound used as a phosphorescent dopant material of a light-emitting layer of an organic light-emitting diode, and an organic light-emitting diode containing the same. The organometallic compound is represented by Ir(LA)m(LB)n. An organic light-emitting diode includes a first electrode; a second electrode facing the first electrode; and an organic layer disposed between the first electrode and the second electrode. The organic layer includes a light-emitting layer that contains the organometallic compound disclosed herein.

Abstract: The present disclosure relates to a plurality of organic electroluminescent materials comprising at least one first compound and at least one second compound, and an organic electroluminescent device comprising the same. By comprising a specific combination of compounds, in which the first compound is represented by formula 1 and the second compound is represented by formula 2, it is possible to provide an organic electroluminescent device having improved lifetime properties.

Abstract: The present disclosure relates to organic electroluminescent devices. The organic electroluminescent device according to the present disclosure exhibits improved lifespan characteristics and progressive driving voltage by including at least one deuterated compound(s).

Abstract: The present disclosure relates to an organic electroluminescent compound, a plurality of host materials, and an organic electroluminescent device comprising the same. By comprising the organic electroluminescent compound according to the present disclosure or by comprising a specific combination of compounds according to the present disclosure as a plurality of host materials, it is possible to produce an organic electroluminescent device having improved luminous efficiency, and/or lifetime properties compared to the conventional organic electroluminescent devices.

Abstract: Provided is a method for manufacturing a photomask. The method comprises providing a pre-photomask, the pre-photomask including a first area, a second area configured to perform a first duty correction, and a third area configured to perform a second duty correction; forming a pre-photoresist pattern using the pre-photomask such that the pre-photoresist pattern has a stepped shape having at least three steps in a cross-sectional view of the pre-photoresist pattern; analyzing a profile of the pre-photoresist pattern in the cross-sectional view; and inserting an auxiliary pattern into at least one of the first to third areas, based on a result of the analyzing of the profile of the pre-photoresist pattern.