Abstract: The display device includes a display panel and a pixel. A compensator configured to calculate a degradation rate of the pixel based on an input gray level of first image data, and compensates the first image data based on the degradation rate to generate second image data. A data driver configured to generate a data signal based on the second image data and configured to supply the data signal to the pixel. The pixel includes a first element group and a second element group connected in series to each other, the first element group includes at least one first light emitting element, and the second element group includes at least one second light emitting element. The compensator is to calculate the degradation rate by applying first information on the number of the first light emitting elements and second information on the number of the second light emitting elements.

Abstract: A method of removing a metal substance in a petrochemical product including: supplying a petrochemical product stream to an incoming tank through a supply pipe, circulating the petrochemical product stream through an incoming tank circulation pipe, and removing a metal substance included in the petrochemical product stream using a magnetic filter; transporting the petrochemical product stream to an outgoing tank through an incoming tank discharge pipe which is branched from the incoming tank circulation pipe and connected to an outgoing tank; circulating the petrochemical product stream through an outgoing tank circulation pipe provided in the outgoing tank and removing the metal substance included in the petrochemical product stream using a magnetic filter; and transporting the petrochemical product stream to a branch pipe branched from the outgoing tank circulation pipe to remove the metal substance using an ion exchange resin filter.

Abstract: A pixel includes: a light emitting element; a first transistor including a gate electrode electrically connected to a first node, a second node to which a first power voltage for driving the light emitting element is to be applied, and a third node electrically connected to the light emitting element; and a bias control transistor configured to be controlled in operating timing thereof by a bias control signal, and configured to switch electrical connection between the second node and a bias power line for transmitting a bias voltage. In one frame period, a voltage level of the bias voltage to be applied to the second node sequentially increases.

Abstract: A method of identifying dementia is disclosed that includes causing a user terminal to display an N-th screen including a plurality of objects. The user terminal may further display an N+1-th screen with the objects rearranged at positions on the N+1-th screen which are different from positions of the objects included in the N-th screen when an N-th selection input of selecting any one from among the objects included in the N-th screen is received. When an N+1-th selection input for selecting any one from among the objects included in the N+1-th screen is received, a third task of determining whether an answer of the N+1-th selection input is correct is performed based on whether the object selected from the N+1-th selection input is the same as at least one object selected from at least one previous selection input including the N-th selection input.

Abstract: The present disclosure relates to a method of preparing perovskite using an anti-solvent evaporation-controlled method and perovskite prepared thereby.

Abstract: A method for estimating locomotion in virtual reality performed by at least one processor includes measuring a plurality of pressure points according to a user's locomotion using a high-resolution tactile sensor including a plurality of pressure sensors, extracting a plurality of footprint images including the plurality of measured pressure points, clustering the plurality of pressure points into a first set of pressure points corresponding to a left foot and a second set of pressure points corresponding to a right foot, based on the plurality of extracted footprint images, and estimating at least a portion of a locomotion direction and a locomotion speed of the user using a first cluster corresponding to the first set of pressure points and a second cluster corresponding to the second set of pressure points.

Abstract: An eco-friendly power source, such as a battery module for a transportation vehicle includes a first sub-module and a second sub-module each including a plurality of battery cells; a lower cover supporting the first sub-module and the second sub-module; a connection member coupled to the first sub-module and the second sub-module, respectively; and a cooling plate coupled to the lower cover and forming a flow path through which a refrigerant can flow, wherein at least a portion of the flow path is disposed to oppose the connection member with the lower cover interposed therebetween.

Abstract: The present disclosure provides a method and a device for encoding/decoding a multi-scale feature group. A multi-scale feature group encoding method according to the present disclosure includes transforming a multi-scale feature group into a multi-channel feature; adjusting the number of channels of the multi-channel feature; acquiring a plane image based on a feature that the number of channels is adjusted; and encoding the plane image.

Abstract: Disclosed herein are a method, an apparatus, and a storage medium for encoding/decoding a feature map for machine vision. In an embodiment, an encoding method includes generating a multi-channel feature map by aligning multiple feature maps, generating a converted feature map by performing conversion on the multi-channel feature map and performing encoding on the converted feature map.

Abstract: Disclosed is an omnidirectional camera module comprising a dome-shaped cover unit, including: a body including a barrel portion in which a plurality of lenses are disposed in series and through which light introduced from one side travels and an extended portion formed to have a relatively large area on one side of the barrel portion and to communicate with the barrel portion at a central portion; a cover unit having a shape convex to the front, having at least a portion made of a light transmitting material, surrounding the extended portion at the front, and forming a reflection space therein; and a reflection unit including a first reflective portion formed on a front surface of the extended portion inside the reflection space, and a second reflective portion disposed to face the first reflective portion inside the cover unit to reflect the light reflected by the first reflective portion again.

Abstract: Disclosed is a method for producing a thermally conductive thin film for protecting elements and the like integrated inside an electronic device such as a smartphone from heat. A method for using synthetic graphite powder to produce a thin film that has excellent thermal conductivity compared to existing natural graphite thin films or metal thin films and can be produced at lower cost than existing synthetic graphite thin films obtained from polyimide or the like may be provided.

Abstract: A toe fixing device that is capable of fixing a patient's ingrown toenail to correct the ingrown toenail, without the assistance of the patient or his or her surgeon, to thus allow an adherent composition to be applied to the ingrown toenail of the patient through the free use of both hands of the surgeon. The toe fixing device includes an upper plate reference part having an upper plate, a long movement guide hole piercedly, and a fixing support stand; a lower plate moving part having a lower plate, a fixing hole, a nut, and a moving support stand; and a position fixing part adapted to fix the lower plate moving part movable to the left and right sides along the long movement guide hole of the upper plate reference part to the upper plate reference part.

Abstract: The present invention relates to a lamination apparatus for manufacture of an electrode assembly, and more particularly to a lamination apparatus including a pressing roll configured to press electrodes constituting the electrode assembly, a rotary shaft configured to rotate the pressing roll, a pressing cylinder configured to adjust pressing force applied to the pressing roll, and a thickness measurement sensor configured to measure the thickness of one of the electrodes, whereby it is possible to secure the force of adhesion between the electrodes constituting the electrode assembly even though there is deviation in thickness between electrode mixture layers.

Abstract: A member for a metal oxide nanofiber based gas sensor can include a metal nanoparticle catalyst and can be formed to be functionalized by binding the metal nanoparticle catalyst and an alkali or alkaline earth metal through electrospinning and heat treatment processes. The member can detect a trace amount of a gas with high selectivity and ultra-high sensitivity by uniformly binding the alkali or alkaline earth metal and the metal nanoparticle catalyst through electrospinning and high-temperature heat treatment.

Abstract: Provided are reduced acylated graphene oxide as an electrode active material and a method for preparing the same. By the method for preparing reduced acylated graphene oxide according to the present invention, a negative electrode active material for a lithium secondary battery having stable activity and a high battery capacity may be prepared with a simple and low-cost process. In addition, the active material prepared by the preparation method has low resistance, a high battery capacity, and improved rate-limiting characteristics while having stable cycle characteristics.

Abstract: An image sensing device comprises a semiconductor substrate including pixel regions that correspond to pixels, respectively, each pixel region including a photoelectric conversion region for a corresponding pixel that generates photocharges through conversion of incident light, and a plurality of first color filters disposed over a first surface of the semiconductor substrate and located over the pixel regions of the semiconductor substrate to transmit incident light of a first color to the pixel regions. The pixel regions corresponding to the first color filters have different substrate thicknesses from one another.

Abstract: Disclosed is a display module including an output unit configured to form an image to output the image forward, a lens unit configured to have a virtual central axis in front of the output unit and transmit the image so that an optical axis of the image transmitted from the output unit is parallel with the central axis to transmit the image forward, and a guide unit formed to be elongated to have at least a pair of total reflection surfaces facing each other and of which the image transmitted through the lens unit is incident on one side to move to the other side through total internal reflection at least one or more times and the image is reflected on the other side through a separate exit surface to be provided to the user's field of view.

Abstract: Provided are a composite structure, in which metal nanoparticle-perovskite oxide is bound to metal oxide supports (i.e., sensing materials), and a preparation method thereof. The composite structure has improved durability, in which metal nanoparticles uniform in size are evenly distributed on the surface of perovskite oxide. Provided is also a high-performance gas sensor having excellent target gas detection performances by including the composite structure.

Abstract: The present invention relates to extracellular vesicles derived from ginger (Zingiber officinale) and a use thereof, and provides: extracellular vesicles which are derived from ginger and have anticancer activity, a pharmaceutical composition and a health functional food composition which is for preventing or treating cancer and contains the extracellular vesicles as an active ingredient. The ginger-derived extracellular vesicles can penetrate into cancer cells, have excellent anticancer activity, such as inhibiting the proliferation, infiltration and migration of cancer cells, and thus may be provided as an effective anticancer composition.

Abstract: Image sensor devices including photo detectors located relative to one another to form an array, color filters located above the photo detectors, respectively, to filter incident light that are received by the photo detectors, respectively, a first grid structure including a first material having refractive index lower than a refractive index of the color filters and disposed between color filters adjacent to each other, and a second grid structure including a second material having refractive index lower than the refractive index of the color filters and disposed inside the first grid structure.