Abstract: Provided are anthracene derivatives of Chemical Formula 1: wherein: X1 is O or S; R1 and R2 are the same as or different from each other, and each independently is hydrogen, deuterium, a nitrile group, a halogen groups a substituted or unsubstituted alkyl group, a substituted or unsubstituted silyl group, a substituted or unsubstituted aryl group, or a substituted or unsubstituted heteroaryl group, or bond to adjacent groups to form a substituted or unsubstituted ring; Ar is a substituted or unsubstituted heteroaryl group comprising O or S; and a is an integer of 0 to 9, and b is an integer of 0 to 8, and when a is 2 or greater, R1s are the same as or different from each other, and when b is 2 or greater, R2s are the same as or different from each other. Also provided are organic light emitting devices comprising same.

Abstract: An electronic device structure having a shielding structure includes a substrate with an electronic component electrically connected to the substrate. The shielding structure includes conductive spaced-apart pillar structures that have proximate ends connected to the substrate and distal ends spaced apart from the substrate, and that are laterally spaced apart from the first electronic component. In one embodiment, the conductive pillar structures are conductive wires attached at one end to the substrate with an opposing end extending away from the substrate so that the conductive wires are provided generally perpendicular to the substrate. A package body encapsulates the electronic component and the conductive spaced-apart pillar structures. In one embodiment, the shielding structure further includes a shielding layer disposed adjacent the package body, which is electrically connected to the conductive spaced-apart pillar structures. In one embodiment, the electrical connection is made through the package.

Abstract: A switchable display system for providing virtual reality or augmented reality using a color calibration display apparatus may comprise: an augmented reality data server configured to provide virtual reality and augmented reality information; and a color calibration display apparatus using a color calibration display module configured to perform color calibration according to ambient illuminance in a use environment.

Abstract: A convertible electronic device includes a display module including a first region and a second region surrounding the first region and having a lower light transmittance than the first region; a camera module disposed on the display module to overlap the first region; a first housing which accommodates the display module therein, and includes a camera module accommodating portion protruding outwardly to overlap the camera module; a keyboard; a second housing which accommodates the keyboard therein; and a hinge member connecting the first housing to the second housing rotatably to each other with respect to a rotation shaft. The first and second housings are in a first folded state where the first and second housings overlap each other to allow front surfaces to face each other or in a second folded state where the first and second housings overlap each other to allow rear surfaces to face each other.

Abstract: An electronic device and an method of the electronic device are provided, where the electronic device maintains a context that does not reflect a request for a secret conversation, in response to the request for the secret conversation being received from a first user, and generates a response signal to a voice signal of a second user based on the maintained context, in response to an end of the secret conversation with the first user.

Abstract: A super junction semiconductor device includes a substrate having a first conductive type, a blocking layer positioned on the substrate, the blocking layer including first conductive type pillars and second conductive type pillars, each extending in a vertical direction and arranging alternatively in a horizontal direction, and a gate structure disposed on the blocking layer, the gate structure extending in the horizontal direction and being electrically connected to ones of the first and second conductive type pillars. Thus, oscillation phenomena may be suppressed.

Abstract: The present invention relates to an insulated gate bipolar transistor (IGBT) and, more particularly, to an insulated gate bipolar transistor that has multiple mesas having different widths, configured to promote the buildup and accumulation of hole carriers, thereby facilitating relatively easy subsequent processing, while maximizing conductivity modulation.

Abstract: The present disclosure provides is a high-speed image recognition method and apparatus using a 3D CNN. The high-speed image recognition method using the 3D CNN includes: inputting each of a first image clips among image clips constituting an input image to the 3D CNN; acquiring softmax function values calculated in the 3D CNN with respect to each of the first image clips; calculating a score margin by using the softmax function values; comparing the score margin with a predetermined threshold value to determine whether to input at least one additional image clip other than the first image clips among the image clips constituting the input image to the 3D CNN. Therefore, a calculation speed for image recognition can be improved.

Abstract: An enamel composition may be applied to an inner surface of cooking appliance to facilitate cleaning. The enamel composition may include: SiO2 at 25 to 50 wt %; B2O3 at 1 to 15 wt %; one or more selected from among Li2O, Na2O, K2O, and NaF at 10 to 30 wt %; ZnO at 1 to 15 wt %; MoO3 at 1 to 15 wt %; and one or more selected from among TiO2, Bi2O3, NiO, Co3O4, and CeO2 at 10 to 30 wt %.

Abstract: The present disclosure relates to a low temperature-calcined lead-free glass frit and paste, and a vacuum glass assembly using the same. The glass frit has a novel component system, in which phosphorus pentoxide (P2O5), vanadium pentoxide (V2O5), tellurium dioxide (TeO2), copper oxide (CuO), barium oxide (BaO), zinc oxide (ZnO), bismuth oxide (Bi2O3), and silver oxide (Ag2O) are included at a unique composition ratio according to the disclosure, and replaces a lead-based glass composition of the related art, is calcined at low temperature, includes no inorganic filter or include a minimum amount of an inorganic filler, has a coefficient of thermal expansion matching a coefficient of thermal expansion of a glass base material to prevent a separation or damage, and ensures excellent durability.

Abstract: An organic light emitting device including a light emitting layer which comprises a compound represented by Chemical Formula 1 and a compound represented by Chemical Formula 2, and the organic light emitting device having improved driving voltage, efficiency and lifetime.

Abstract: An enamel composition, a method for preparing an enamel composition, and a cooking appliance are provided. The enamel composition may include 20 to 50% by weight of silicon dioxide (SiO2), 7 to 12% by weight of boron oxide (B2O3), one or more of lithium superoxide (Li2O), sodium oxide (Na2O), or potassium oxide (K2O), and 10 to 20% by weight of sodium fluoride (NaF), 1 to 10% by weight of zinc oxide (ZnO), and one or more of molybdenum oxide (MoO3), bismuth oxide (Bi2O3), or cerium dioxide (CeO2), and 10 to 40% by weight of titanium dioxide (TiO2). With such an enamel composition, cleaning is possible in a heating condition of a relatively low temperature and without a soaking process using water.

Abstract: A semiconductor memory device includes a substrate including an element separation film and an active region defined by the element separation film, a bit line structure on the substrate, a trench in the element separation film and the active region, the trench on at least one side of the bit line structure and including a first portion in the element separation film and a second portion in the active region, a bottom face of the first portion placed above a bottom face of the second portion, a single crystal storage contact filling the trench, and an information storage element electrically connected to the single crystal storage contact.

Abstract: The present invention relates to: a glass composition that can be used as sealing material; and a solid oxide fuel cell using same. A sealing glass composition according to the present invention includes 10-35 wt % of SiO2, 3-35 wt % of B2O3, 30-65 wt % of BaO, 0.1-15 wt % of CaO, 0.1-3 wt % of NiO, and 0.1-3 wt % of CuO. Unlike conventional glass compositions as sealing material, the present sealing glass composition is suitable for use in solid oxide fuel cells that operate at medium-low temperatures, and in particular, has the excellent effect of minimizing sealing adhesion strength degradation even after long-term use.

Abstract: The present invention relates to a glass composition capable of being used as a sealant, and a solid oxide fuel cell using same. The sealant glass composition according to the present invention comprises 10-45 wt % of SiO2, 0.1-20 wt % of B2O3, 40-65 wt % of BaO, 0.1-20 wt % of CaO, and 0.1-15 wt % of at least one of Al2O3 and ZrO2, and unlike existing sealant glass compositions, can be suitably used in solid oxide fuel cells operating at intermediate temperatures, and exhibits an advantageous effect in keeping a decrease in sealing adhesion strength to a minimum, even after prolonged use.

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: The present disclosure relates to a low temperature-calcined lead-free glass frit and paste, and a vacuum glass assembly using the same. The glass frit according to the present disclosure has a novel component system comprising V2O5, TeO2, CuO, BaO, one or more of Ag2O and Bi2O3, ZnO, and one or more of SnO and MoO3 at a characteristic composition ratio according to the disclosure, whereby the glass frit can replace a lead-based glass composition of the related art, can be calcined at a low temperature of 350° C. or lower and can ensure excellent chemical durability.

Abstract: A method and computing device with classification verification is provided. A processor-implemented method includes implementing a classification neural network to generate a classification result of data input to the classification neural network by generating, with respect to the input data, intermediate hidden values of one or more hidden layers of the classification neural network, generating the classification result of the input data based on the generated intermediate hidden values, and generating a determination of a reliability of the classification result by implementing a verification neural network, input the intermediate hidden values, to generate the determination of the reliability.

Abstract: The effective network compression using simulation-guided iterative pruning according to various embodiments, can be configured so that, by means of an electronic device, a first neural network is pruned on the basis of a threshold value, a second neural network is generated, a gradient for each weighted value of the second neural network is calculated, and a third neural is acquired by applying the gradient to the first neural network.

Abstract: The present disclosure relates to an insulated gate bipolar transistor (IGBT) and, more particularly, to an insulated gate bipolar transistor, in which a barrier region is in a mesa between adjacent trench gates to divide the width of the mesa, thereby inducing the accumulation of hole carriers, and thus reducing an on-resistance (e.g., of the IGBT).