Abstract: The present invention relates to an organic light emitting device including: an anode; a cathode; and a light emitting light provided between the anode and the cathode, in which a first organic material layer including a composition which includes a compound of Chemical Formula 1 or a cured product thereof is included between the light emitting layer and the anode, and a second organic material layer including a composition which includes a copolymer of Chemical Formula 2 or a cured product thereof is included between the first organic material layer and the light emitting layer, Wherein all the variables are described herein.

Abstract: The present invention relates to a powder for growing a gallium oxide single crystal and a method of manufacturing the same, and the powder for growing a gallium oxide single crystal according to an embodiment of the present invention is made of gallium oxide and has a bulk density of 0.7 g/cm3 or more and 1.0 g/cm3 or less.

Abstract: The present invention relates to: a pyrene derivative compound having a specific structure; and a high efficiency organic light-emitting device employing the pyrene derivative compound in a light emitting layer and thus having excellent light-emitting characteristics. The organic light-emitting device according to the present invention can be configured as a high efficiency organic light-emitting device having excellent light-emitting characteristics by employing the pyrene derivative compound having the specific structure as a host in the light emitting layer, and thus can be usefully applied industrially in lighting devices, as well as various display devices such as flat, flexible, and wearable displays.

Abstract: An organic light-emitting device according to the present invention uses a pyrene derivative compound having a characteristic structure as a host in a light-emitting layer to realize a long-lifespan and high-efficiency organic light-emitting device having excellent light-emitting characteristics in terms of lifespan and luminescence efficiency. Accordingly, the organic light-emitting device can be usefully applied, in the industrial aspect, for various display devices such as flat panel, flexible, and wearable displays, as well as lighting devices.

Abstract: Disclosed herein is an earphone module having a speaker capable of reproducing both high- and low-pitched sounds. In an earphone module according to the present invention, two coils and terminal members configured to be electrically connected to the two coils are provided, the two coils and the terminal members are assembled by electrically connecting the two coils and the terminal members to each other, and then the terminal members are connected to an external input circuit through the exposure window of a housing. Accordingly, the manufacturing operation is facilitated and the defect rate is reduced, so that the mass productivity is improved.

Abstract: A method of manufacturing a cathode active material for a lithium secondary battery according to embodiments of the present invention includes performing a first heat treatment on a first mixture of a transition metal precursor and a lithium precursor at a first calcination temperature to obtain a preliminary lithium-transition metal composite oxide particle; and performing a second heat treatment on a second mixture obtained by adding the lithium precursor to the preliminary lithium-transition metal composite oxide particle at a second calcination temperature which is lower than the first calcination temperature to form a lithium-transition metal composite oxide particle.

Abstract: A touch sensor includes first touch cells disposed in a first touch sensing area, the first touch cells each including a first touch pattern and a first dummy pattern, and second touch cells disposed in a second touch sensing area, the second touch cells each including a second touch pattern and a second dummy pattern. An area of a first dummy pattern area in which the first dummy pattern is disposed is greater than an area of a second dummy pattern area in which the second dummy pattern is disposed.

Abstract: The present invention relates to a novel chimeric antigen receptor comprising a CD99 region which participates in immune synapse stabilization as a backbone of the chimeric antigen receptor, an immune cell comprising the same, and the uses thereof. CD99-based CAR-T cells are capable of forming very stable immune synapses with tumor cells compared to conventional backbone-based CAR-T cells and can exhibit improved tumor therapeutic efficiency, so they can be useful for immune cell therapy for the treatment of cancer.

Abstract: An electronic package includes a substrate having a plurality of lands embedded within an insulating layer. Conductive patterns are disposed on at least a portion of a respective land top surface. An electronic device is electrically connected to the conductive patterns, wherein the land bottom surfaces are exposed to the outside. In another embodiment, the top land surfaces and the top surface of the insulating layer are substantially co-planar and the conductive patterns further overlap portions of the top surface of the insulating layer. In one embodiment, a package body encapsulates the top surface of the insulating material and the electronic device, wherein the land bottom surfaces are exposed to the outside of the package body.

Abstract: A display device includes first and second electrodes, light-emitting elements on the first and second electrodes, data lines extending from a pad area to a display area, connection wirings spaced apart from the data lines and extending from the pad area to a non-display area on respective sides of the display area, first pads overlapping the data lines in the pad area, and second pads overlapping the connection wirings, wherein the connection wirings include a first connection wiring overlapping a second pad, a second connection wiring not overlapping the second pad and overlapping the first connection wiring in the non-display area, and a third connection wiring overlapping the first connection wiring and electrically connected to the second pad, wherein the first and third connection wirings overlap each other in the pad area, and the first, second, and third connection wirings overlap each other in the non-display area.

Abstract: An inductor includes a first magnetic body having a toroidal shape and having a ferrite; and a second magnetic body configured to be different from the first magnetic body and including a metal ribbon, wherein the second magnetic body includes an outer magnetic body disposed on an outer circumferential surface of the first magnetic body and an inner magnetic body disposed on an inner circumferential surface of the first magnetic body, and each of the outer magnetic body and inner magnetic body is wound in a plurality of layers in a circumferential direction of the first magnetic body.

Abstract: An example electronic device includes a display, a communication circuit, a memory, and at least one processor configured to, based on a signal for requesting transmission of identification information including a call word for using first mode of an artificial intelligence assistant function of the electronic device being received, from another electronic device, through the communication circuit using first communication method, control the display to display a user interface for requesting user confirmation for transmission of the identification information; control the communication circuit to transmit the identification information to the another electronic device as a result of user confirmation through the user interface; and receive information for using a second communication method from the another electronic device.

Abstract: A surface-treated copper foil according to exemplary embodiments includes a copper foil layer and a protrusion layer formed on one surface of the copper foil layer. Pores are formed inside the protrusion layer or around a boundary between the copper foil layer and the protrusion layer. Abnormal growth of the protrusions may be prevented through the pores and thus a bonding force with the insulation layer may be improved.

Abstract: The present invention relates to a novel heterocyclic compound usable in an organic light-emitting device and to an organic light-emitting device comprising same, wherein [chemical formula A] is as described in the detailed description of the invention.

Abstract: A display device includes a bank layer defining a first light emitting area, a first electrode in the first light emitting area, a second electrode spaced from the first electrode and around at least a part of the first electrode in the first light emitting area, and a light emitting element between the first electrode and the second electrode. The second electrode includes a first electrode portion, facing a first side surface of the first electrode, forming a first separation space in the first light emitting area, a second electrode portion facing a second side surface of the first electrode, forming a second separation space in the first light emitting area, and a third electrode portion connecting the first electrode portion and the second electrode portion and facing a third side surface of the first electrode, forming a third separation space in the first light emitting area.

Abstract: A display device including: a substrate including a display area including a pixel area, and a non-display area at at least one side of the display area; a pixel in the pixel area, and including a light emitting element, a color conversion layer located on the light emitting element, and a color filter layer located on the color conversion layer; a first step difference compensation pattern in the non-display area, and around the display area; and a second step difference compensation pattern in the non-display area, and including a first end adjacent to the display area, and a second end opposite to the first end and located adjacent to an edge of the substrate, wherein the second step difference compensation pattern is located on the first step difference compensation pattern and overlaps the first step difference compensation pattern, and covers one end of the first step difference compensation pattern.

Abstract: A novel quinazoline compound having SOS1 inhibitory activity and uses of the quinazoline compound are disclosed. More particularly, the present invention relates to a novel quinazoline derivative compound having inhibitory activity on SOS1 binding to RAS family proteins and/or RAC1, to pharmacologically acceptable salts thereof, and to pharmaceutical compositions containing the quinazoline compound. The novel quinazoline compound has the following chemical formula 1: wherein all the variables have meaning as defined in the specification.

Abstract: A display device includes: a substrate including a display area at a front surface and a non-display area at a periphery of the display area, wherein the non-display area includes a bending area having at least a portion bent toward a rear surface; a first metal layer on the substrate, the first metal layer overlapping with a contact hole at an out side of the bending area in the non-display area; a first via layer as an organic layer, located over the first metal layer, the first via layer including the contact hole; a second metal layer on the first via layer, the second metal layer being electrically connected to the first metal layer in the contact hole; and an inorganic layer on the second metal layer, wherein at least a portion of one side end of the inorganic layer, which is in the non-display area, is at an outside of the bending area and an area on the contact hole.