Abstract: A compound Chemical Formula 1: wherein: each X is independently N, CH, or CD, provided that two or more of X are N, L is a single bond, or a substituted or unsubstituted C6-60 arylene, Ar1 and Ar2 are each independently a substituted or unsubstituted C6-60 aryl, Ar3 and Ar4 are each independently phenyl that is unsubstituted or substituted with at least one deuterium, any one of Ar1 to Ar4 is substituted with cyano, HAr is pyrimidinyl which is unsubstituted or substituted with 1 to 3 substituent groups each independently selected from among deuterium, a substituted or unsubstituted C1-60 alkyl, and a substituted or unsubstituted C6-60 aryl; triazinyl which is substituted with two substituted or unsubstituted C6-60 aryls; or quinazolinyl substituted with one substituted or unsubstituted C6-60 aryl, and the other substituents are as described in the specification, and an organic light emitting device comprising the same.

Abstract: Disclosed is a device for processing a substrate, the device including: a support unit including a spin chuck supporting a substrate, a rotation shaft supporting the spin chuck, and a driver providing rotational force to the rotation shaft; and a determination unit for determining whether the rotation shaft is defective, in which the determination unit determines whether the rotation shaft is defective based on a current value applied to the driver while the rotation shaft is rotating.

Abstract: Provided is an organic light emitting device comprising an anode; a cathode; and a light emitting layer provided between the anode and the cathode, wherein the light emitting layer comprises a first host material comprising a compound of Chemical Formula A: a second host material including a compound of Chemical Formula B: and a dopant material comprising a compound of Chemical Formula C or D:

Abstract: A compound of Chemical Formula 1: wherein: L1 and L2 are each independently a substituted or unsubstituted C6-60 arylene, each R1 is independently hydrogen, deuterium, halogen, cyano, or a substituted or unsubstituted: C1-60 alkyl, C2-60 alkenyl, C2-60 alkynyl, C3-60 cycloalkyl, C6-60 aryl or C2-60 heteroaryl containing one or more of N, O and S; one of Ar1 and Ar2 is a substituent of Chemical Formula 2, and the other is a substituted or unsubstituted C14-60 aromatic fused polycyclic ring: wherein: each X is independently N or CH, provided that at least one X is N; and Ar3 and Ar4 are each independently a substituted or unsubstituted C6-60 aryl or C2-60 heteroaryl containing one or more of N, O and S, and the other substituents are as defined in the specification; and an organic light emitting device comprising the same.

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

Abstract: Provided is a heterocyclic compound of Chemical Formula 1: [Chemical Formula 1] wherein: L1 is a direct bond or a substituted or unsubstituted arylene group; L2 is a substituted or unsubstituted arylene group; two or more of X1 to X3 are N and any remaining is CR?; Np is Chemical Formula 2: [Chemical Formula 2] wherein: the dotted lines “------” are positions of attachment of Chemical Formula 2 where one is bonded to L1 and the other is bonded to L2 of Chemical Formula 1; and the other substituents are as defined in the specification; and an organic light-emitting device including the same. A light emitting device that includes the compound of Chemical Formula 1 in an organic material layer exhibits high efficiency and long service life.

Abstract: A compound represented by Chemical Formula 1 and an organic light emitting device including the same are provided.

Abstract: Provided is a compound of Chemical Formula 1: wherein: Y is a direct bond, O or S; A1 and A2 are each independently a benzene ring, a naphthalene ring, or ?with the proviso that at least one of them is a naphthalene ring or each X is independently CR1R2, SiR3R4, NR5, O, S, or SO2; R1 to R5 are each independently hydrogen, deuterium, or a substituted or unsubstituted: C1-60 alkyl, C3-60 cycloalkyl, or C6-60 aryl; L1 and L2 are each independently a direct bond, or a substituted or unsubstituted C6-60 arylene or C2-60 heteroarylene; B1 and B2 are each independently *—NR6R7; and R?1 and R?2 are each independently hydrogen, deuterium, halogen, cyano, or a substituted or unsubstituted: C1-60 alky, C1-60 alkoxy, C1-60 haloalkyl, C1-60 haloalkoxy, tri(C1-60 alkyl)silyl, or C6-60 aryl; and and an organic light emitting diode comprising: a first electrode; a second electrode opposite to the first electrode; and at least one organic material layer between the first electrode and the se

Abstract: A memory device includes a sense amplifying circuit coupled between a pull-up voltage line and a pull-down voltage line and configured to sense and amplify data of bit lines according to a sensing control signal; a fail detection circuit configured to calculate counting values of fail bits for each temperature based on the data and configured to generate a minimum error code for each temperature by detecting a minimum value for each temperature from the counting values for each temperature, in response to a test mode signal; and a sense amplifying control circuit configured to drive the pull-up voltage line and the pull-down voltage line by generating a pull-up voltage and a pull-down voltage corresponding to current temperature information based on the minimum error code for each temperature and configured to generate the sensing control signal according to the test mode signal.

Abstract: A cyclic compound represented by Chemical Formula 1, and an organic light emitting device comprising the same, and the compound used as a material of an organic material layer in the organic light emitting device and providing improved efficiency, low driving voltage and improved lifetime characteristics of the organic light emitting device.

Abstract: Provided is a compound of Chemical Formula 1 or 2: wherein: R1 to R4 are each independently hydrogen or deuterium; n1 to n4 are an integer of 1 to 4; L1 and L2 are each independently a direct bond or a substituted or unsubstituted C6-60 arylene; and Ar1 and Ar2 are each independently a substituent of Chemical Formula 3: wherein X1 to X5 are each independently N or C(R5), wherein at least two of X1 to X5 are N; and each R5 is independently hydrogen, deuterium, a substituted or unsubstituted C1-20 alkyl, a substituted or unsubstituted C6-60 aryl, or a substituted or unsubstituted C2-60 heteroaryl containing at least one of N, O and S, or two adjacent R5s combine to form a benzene ring; and an organic light emitting device including the same. The device exhibits significantly superior efficiency and lifespan.

Abstract: A sensing and amplifying circuit includes a driving voltage control circuit configured to control a voltage level of a driving voltage based on a surrounding temperature of the sensing and amplifying circuit, a delay control circuit configured to generate a line connection signal and an inverted line connection signal in response to a delay start signal by being supplied with the driving voltage, and a sense amplifier configured to perform a sensing and amplifying operation in response to the line connection signal and the inverted line connection signal. An interval between enable timing of the line connection signal and enable timing of the inverted line connection signal is adjusted as the surrounding temperature changes.

Abstract: Provided is a substrate processing apparatus. The substrate processing apparatus includes a swing nozzle that is arranged on one side of the support module, moves in a swing manner, and sprays a chemical solution to the substrate, a sensor arranged on one side of the swing nozzle to sense movement of the swing nozzle, an electromagnet and a magnet installed on the other side of the swing nozzle so as to be able to adjust spacing relative to each other, and a controller for receiving a sensing result of the sensor and performing a damping operation to the swing nozzle by providing power to the electromagnet to generate an attractive force or repulsive force between the electromagnet and the magnet.

Abstract: Provided is an organic light-emitting device comprising: a light emitting layer comprising a compound of the following Chemical Formula 1, and one or more of an electron transport layer, an electron injection layer, or an electron transport and injection layer that comprises at least one of a compound of the following Chemical Formula 2 and a compound of the following Chemical Formula 3: wherein Ar2 and Ar3 are each independently a substituent of Chemical Formula 4, where X1 to X5 are each independently N or C(R8), wherein at least two of X1 to X5 are N, and the other substituents are as defined in the specification. The organic light emitting device including the heterocyclic compound of Chemical Formula 1 and the heterocyclic compound of Chemical Formula 2 or 3 had significantly superior efficiency and lifespan.

Abstract: Provided is a compound of Chemical Formula 1: wherein: L1 and L2 are the same as or different from each other, and are each independently an arylene group which is unsubstituted or substituted with an aryl group, Ar1 and Ar2 are the same as or different from each other, and are each independently the following Chemical Formula A, where X1 is N or CR1, X2 is N or CR2, X3 is N or CR3, X4 is N or CR4, and X5 is N or CR5, at least two of X1 to X5 are N, and the other substituents are as defined in the specification, and an organic light emitting device including the same. The organic light emitting device including the compound of Chemical Formula 1 exhibits remarkably excellent characteristics in terms of voltage, efficiency and service life.

Abstract: Provided is a benzimidazole-substituted fluoranthene compound of Chemical Formula 1: where the substituents are as described in the specification, and an organic light emitting device including the same.

Abstract: There is provided a data collection system. The data collection system comprises a wake-up radio (WuR) terminal that operates in sleep mode when a wake-up signal is not received and transmits data in active mode when the wake-up signal is received; an Access Point (AP) terminal that stores information on a total number of WuR terminals in a network and sensing data collected by the WuR terminal, sets a slot through which the data is to be transmitted by the WuR terminal, and receives the data from the WuR terminal in the set slot; and a reconfigurable intelligent surface (RIS) that controls passive elements in groups, modulates the groups into different signals at the same time, and transmits the signals to a plurality of WuR terminals in a beamforming manner.

Abstract: A coasting regeneration control method of a vehicle equipped with a continuously variable valve duration (CVVD) engine includes: determining, by an engine control unit (ECU), whether a current state of the vehicle satisfies coasting regeneration conditions; and entering, by the ECU, a coasting regeneration mode and performing regenerative braking when the current state of the vehicle satisfies the coasting regeneration conditions, in which when the coasting regeneration mode is entered, a throttle valve is fully opened so that the amount of intake air of the engine is maximized, a CVVD target duration is controlled to be maximized, and a closing time of an intake valve is delayed after a start point of time of a compression stroke, thereby decreasing pumping loss of the engine.

Abstract: Provided is a compound of Chemical Formula 1: wherein n is 0 or 1, when n is 0, at least one of R1 to R10 is a group of Chemical Formula A, and when n is 1, at least one of R1 to R12 is a group of Chemical Formula A: wherein L1 is a direct bond, or a substituted or unsubstituted arylene or heteroarylene group; l1 is an integer of 1 to 5; m is an integer of 1 to 3; when l1 is 2 or greater, the two or more L1s are the same as or different from each other, and an organic light emitting device including the same.

Abstract: Provided is a heterocyclic compound of Chemical Formula 1: wherein: A1 is Chemical Formula 1-1: Y1 and Y2 are hydrogen or deuterium, or directly bonded to each other, or linked through —C(R31)(R32)-, —Si(R33)(R34)-, —N(R35)-, —O—, or —S—; any one of R11 to R26 is linked to L1, and of the remaining, one is linked to L4 of Chemical Formula 1, and the others are each independently hydrogen, deuterium, a cyano group, or a substituted or unsubstituted: alkyl, aryl, or heteroaryl group; at least two of X1 to X3 are N, and the other is CH; R1 is a substituted or unsubstituted alkyl group; L1 to L4 are each independently a direct bond or a substituted or unsubstituted arylene or heteroarylene group; and Ar1 to Ar3 are each independently a substituted or unsubstituted alkyl, aryl, or heteroaryl group; and an organic light-emitting device including the same.