Abstract: A display device includes: a first display panel having a first resolution; a second display panel having a second resolution; and a first multi-channel lens and a second multi-channel lens disposed on one surface of the first display panel and including a plurality of channels through which light emitted from the one surface of the first display panel passes, where the second resolution is higher than the first resolution.

Abstract: A wearable device includes sensing blocks, and a connection member connecting the sensing blocks, the sensing blocks include a first sensing block and a second sensing block connected to the first sensing block by the connection member, and the first sensing block includes an induced electromotive force sensing module, the induced electromotive force sensing module includes a magnetic body, a coil not contacting the magnetic body and facing the magnetic body, a rod attached to the magnetic body and guiding a movement path of the coil, and an induced electromotive force sensor sensing an induced electromotive force generated in the coil by the coil and the magnetic body.

Abstract: Proposed is an apparatus and method for contactlessly sensing a biological signal and recognizing a user's physiological information using same. The operating method of the sensing apparatus for contactlessly sensing biological signals may include a process of performing an initial setting in a contactless sensing apparatus, a process of obtaining video data from the contactless sensing apparatus, a process of removing noise from the video data, a process of extracting only a region of interest from the video data, and a process of estimating information on biological activity by analyzing the region of interest.

Abstract: A modular floor tile is disclosed having a top surface including a plurality of upper rib members intersecting to form apertures. Lower rib members forming a downward trending curvilinear shape traverse the apertures. Rib protrusions extend from the lower rib members through the aperture toward the top surface, and may terminate below, at or above the top surface to provide added traction.

Abstract: Semiconductor devices having improved performance and reliability. For example, a semiconductor device may include a substrate, an active pattern extending in a first direction, on the substrate, a plurality of gate structures on the active pattern, each including a gate electrode that crosses the active pattern. A lower active contact may be connected to a source/drain pattern. A trench may expose the lower active contact, and a width of a bottom surface of the trench in the first direction may be greater than a width of an upper surface of the lower active contact in the first direction. An etching stop film may be along the bottom surface of the trench and side walls of the trench, and have an uppermost surface coplanar with an upper surface of an upper active contact that extends through the etching stop film and is connected to the lower active contact.

Abstract: Provided is a semiconductor device and method of manufacturing same, the semiconductor device including: a substrate; an interlayer insulating layer on the substrate; an upper wiring trench in the interlayer insulating layer; an upper wiring layer including an upper wiring barrier layer along a sidewall of the upper wiring trench and a bottom surface of the upper wiring trench, and an upper wiring filling layer on the upper wiring barrier layer, wherein the upper wiring filling layer fills an inside of the upper wiring trench; and a first etching stop layer on each of an upper surface of the interlayer insulating layer and an upper surface of the upper wiring layer, the first etching stop layer including: a first portion in contact with an upper surface of the upper wiring filling layer; a second portion in contact with an upper surface of the upper wiring barrier layer; and a third portion in contact with the upper surface of the interlayer insulating layer, wherein a percentage of nitrogen (N) in the first

Abstract: A semiconductor device includes a substrate; an interlayer insulating layer disposed on the substrate; an upper wiring trench disposed in the interlayer insulating layer; and an upper wiring layer including: an upper wiring barrier layer disposed along a sidewall and a bottom surface of the upper wiring trench, an upper wiring filling layer disposed on the upper wiring barrier layer so as to fill at least a portion of an inside of the upper wiring trench, and an upper wiring capping layer disposed on an upper surface of the upper wiring filling layer, wherein the upper wiring capping layer includes cobalt (Co), and wherein a volume percentage of a crystal structure having a hexagonal close-packed structure included in the upper wiring capping layer is in a range of about 80% to about 100%.

Abstract: A display device includes a display portion including a first surface, from which light is emitted in a first direction, and a second surface opposite to the first surface, a first optical portion disposed on the first surface, and a second optical portion disposed on the first surface to be spaced apart from the first optical portion in a second direction crossing the first direction. Each of the first and second optical portions includes a multi-channel lens through which the light from the first surface passes, a first infrared light source, a first camera, and a first lens frame coupled to the multi-channel lens in the first direction to support at least a portion of the multi-channel lens. The first lens frame may include a first recess structure in which the first infrared light source is disposed and a second recess structure in which the first camera is disposed.

Abstract: A display device includes conductive layers including wires and conductive patterns in a display area and a pad area, a via layer on the conductive layers, a first electrode and a second electrode on the via layer in the display area and spaced apart from each other, a first insulating layer on the first electrode and the second electrode, light emitting elements on the first electrode and the second electrode spaced apart from each other on the first insulating layer, and a first connection electrode on the first electrode and electrically contacting the light emitting elements, and a second connection electrode on the second electrode and electrically contacting the light emitting elements, each of the conductive layers includes a first metal layer and a second metal layer on the first metal layer, and the second metal layer contains copper and has a grain size of about 155 nm or less.

Abstract: A display device includes a display unit including a first surface emitting first light, a second surface opposite to the first surface, a first transmission area transmitting light incident on the first surface, and a second transmission area transmitting the light incident on the first surface. The display device includes a first lens on the first surface and including a first hole overlapping the first transmission area in a thickness direction, a second lens on the first surface and spaced apart from the first lens and including a second hole overlapping the second transmission area in the thickness direction, and light sources emitting second light and disposed on the first and second lenses. The display device includes a first camera sensor on the second surface and overlapping the first transmission area, and a second camera sensor on the second surface and overlapping the second transmission area.

Abstract: A secondary battery includes a case; an electrode assembly accommodated in the case; a first and second current collector plates electrically connected to the electrode assembly and accommodated in the case; a cap assembly coupled to one side of the case and having a first terminal portion and a second terminal portion respectively electrically connected to the first and second current collector plates; and first and second side retainers respectively coupled to the first and second current collector plates and having protrusions having ends facing an inner wall of the case. The side retainers are configured to eliminate gaps between the current collector plates and the case such that the electrode assembly can be stably supported. Therefore, it is possible to prevent the electrode assembly from moving and effectively protect the electrode assembly from external shock or vibration.

Abstract: There is provided a semiconductor device including an etching stop film which is placed disposed on a substrate; an interlayer insulating film which is disposed on the etching stop film; a trench which penetrates the interlayer insulating film and the etching stop film; a spacer which extends along side walls of the trench; a barrier film which extends along the spacer and a bottom surface of the trench; and a filling film which fills the trench on the barrier film. The trench includes a first trench and a second trench which are spaced apart from each other in a first direction and have different widths from each other in the first direction. A bottom surface of the second trench is placed disposed below a bottom surface of the first trench.

Abstract: A secondary battery in which an electrode assembly is protected or substantially protected from external impact is provided. The secondary battery includes: an electrode assembly including a positive electrode plate and a negative electrode plate; a positive electrode current collector plate electrically connected to the positive electrode plate; a negative electrode current collector plate electrically connected to the negative electrode plate; a case accommodating the electrode assembly, the positive electrode current collector plate, and the negative electrode current collector plate; a positive electrode retainer in a gap between the positive electrode current collector plate and the case, the positive electrode retainer being to ignite and expand upon external impact; and a negative electrode retainer in a gap between the negative electrode current collector plate and the case, the negative electrode retainer being to ignite and expand upon external impact.

Abstract: An optical apparatus includes a lens including a first surface and a plurality of side surfaces, a display device disposed on a first side surface among the plurality of side surfaces of the lens and providing light to the first side surface of the lens, an optical path control device disposed between the first side surface of the lens and the display device and selectively changing an optical path of a virtual image of the display device, and a plurality of reflecting members disposed in the lens and reflecting light of the display device to the first surface.

Abstract: Provided is a method of training a prediction model, the method including obtaining molecular descriptors of molecules based on a molecular database, pre-training a pre-training neural network based on the molecular descriptors, and adjusting the pre-training neural network such that the pre-training neural network matches a target task, by applying a training data set labeled corresponding to the target task to the pre-trained pre-training neural network.

Abstract: A semiconductor device includes a substrate; a first transistor on the substrate; a first contact on a source/drain pattern of the first transistor; a second transistor on the substrate; a second contact on a gate electrode of the second transistor; a first connecting structure that includes at least one first wiring and at least one first via that are alternately stacked on the first contact; a second connecting structure that includes at least one second wiring and at least one second via that are alternately stacked on the second contact; a first connecting via on the first connecting structure; a second connecting via on the second connecting structure; and a connecting wiring on the first connecting via and the second connecting via.

Abstract: A display device includes a substrate including a display area and a pad area, a transistor including an active layer disposed in the display area, a gate electrode disposed on the active layer, and a source electrode and a drain electrode disposed on the gate electrode, a fan-out line disposed in the pad area, an auxiliary line disposed on the fan-out line, a first interlayer insulating layer disposed between the gate electrode and the source electrode and between the fan-out line and the auxiliary line, and a first organic layer disposed between the first interlayer insulating layer and the auxiliary line, wherein the first organic layer does not overlap the display area.

Abstract: The present invention relates to a secondary battery, and more particularly, to a secondary battery including an electrode lead electrically connected to an electrode assembly. The present invention provides a secondary battery including a pouch in which an electrode assembly is accommodated and an electrode lead electrically connected to the electrode assembly such that the electrode lead protrudes outward from the pouch. At least one of corners of the electrode lead, disposed inside the pouch, has a predetermined curvature radius.

Abstract: A semiconductor device including a first interlayer insulating film; a conductive pattern in the first interlayer insulating film; a resistance pattern on the conductive pattern; an upper etching stopper film spaced apart from the resistance pattern, extending in parallel with a top surface of the resistance pattern, and including a first metal; a lower etching stopper film on the conductive pattern, extending in parallel with a top surface of the first interlayer insulating film, and including a second metal; and a second interlayer insulating film on the upper etching stopper film and the lower etching stopper film, wherein a distance from a top surface of the second interlayer insulating film to a top surface of the upper etching stopper film is smaller than a distance from the top surface of the second interlayer insulating film to a top surface of the lower etching stopper film.

Abstract: A display device is provided. A display device includes a non-display area where no image is displayed, and a display area where images are displayed, and including a first area and a second area having different light transmittances, and a first pixel and a second pixel, wherein a transistor and an anode electrode of the first pixel are in the first area, wherein an anode electrode of the second pixel is in the second area, and a transistor of the second pixel is outside the second area, wherein the anode electrode and the transistor of the second pixel are electrically connected by a connection line, and wherein at least a part of the connection line is in at least one of the first area and the second area, and is covered by an anti-reflection layer.