Abstract: A method is disclosed for providing a virtual image to a user in a Head-Mounted Display (HMD) device. The method includes detecting an ambient illumination, calculating a target transmissivity of window provided in the HMD device, based on the ambient illumination, adjusting a transmissivity of the window based on the calculated target transmissivity, and providing a virtual image to the user by projecting light to the window from a projector provided in the HMD device.

Abstract: A semiconductor device includes stack structures each including a first conductive layer, a substrate disposed under the stack structures, first impurity regions disposed in the substrate, and at least one trench passing through the stack structures and disposed above the first impurity regions.

Abstract: The present invention provides an electric pump, the electric pump comprising: a motor unit which includes a shaft, a rotor coupled to the shaft, and a stator disposed outside the rotor; a pump unit which includes a first rotor including a first lobe coupled to the motor unit and having a plurality of gear teeth, and a second rotor disposed outside the first rotor and including a second lobe; and a second cover including a second surface on which the pump unit is disposed, wherein the second surface has a second suction port and a second discharge port disposed thereon, and the second suction port provided on the second surface includes a third protrusion protruding to the inside of the second suction port. The angle formed by a first line connecting the center of the first rotor and the center of the second rotor, and a second line connecting the center of the first rotor and a distal end of the third protrusion is inversely proportional to the number of gear teeth of the first lobe.

Abstract: A semiconductor device includes stack structures each including a first conductive layer, a substrate disposed under the stack structures, first impurity regions disposed in the substrate, and at least one trench passing through the stack structures and disposed above the first impurity regions.

Abstract: The present disclosure relates to a paste for ohmic contact to p-type semiconductor, including a metal oxide and a binder, wherein the metal oxide is a rhenium oxide or a molybdenum oxide.

Abstract: Disclosed is an outdoor color-changeable film with self-recovering properties that includes a transparent base film; a hard-coating pearl layer formed on an outer surface of the transparent base film and includes pearl particles dispersed in a hard-coating agent; a first adhesive layer disposed on another surface of the transparent base layer; a color base film disposed on the first adhesive layer to laminate the color base film onto a surface of the hard-coating pearl layer; a second adhesive layer coated on a surface of the color base film; and a release film detachably laminated onto the second adhesive layer. The self-recovering properties include water repellency, anti-fouling, and antibacterial functions, ultraviolet ray blocking ability, and use in various fields due to a long-lasting film property and an insecticidal effect.

Abstract: The present application relates to a method for improving analytical efficiency and cost effectiveness of oxygen isotope analysis of an aqueous sample. In particular, the present application relates to a method of determining an oxygen isotope composition of an aqueous sample by (a) equilibrating the aqueous sample with CO2 gas wherein the aqueous sample comprises an effective amount of carbonic anhydrase (CA) enzyme; and (b) measuring the oxygen isotope composition of the CO2 at equilibrium, wherein the oxygen isotope composition of the CO2 corresponds to the oxygen isotope composition of the aqueous sample.

Abstract: A multi-subscriber identification module (SIM) device is provided. The multi-SIM device includes a first SIM interface; a second SIM interface; and at least one processor configured to implement: a base station (BS) searcher configured to perform a resynchronization operation for securing synchronization with a BS or a measurement operation for measuring signal quality of the BS based on a request received from the first SIM interface; and a searcher scheduler configured to receive the request for use of the BS searcher from the first SIM interface, and identify whether the first SIM interface is granted use of the BS searcher based on the request and a schedule for the BS searcher.

Abstract: A method of color grading and color correction, the method includes: generating data of image processing results obtained by performing various types of color grading and color correction in a profile form, and storing the same; and applying the image processing result to a target image by using profile information of color grading and color correction selected from the stored profiles.

Abstract: Provided are a compound represented by the following Formula I, or a solvate, stereoisomer, or pharmaceutically acceptable salt thereof, and a composition for preventing or treating hair loss, the compound including the compound as an active ingredient:

Abstract: This invention relates to an adjuvant composition containing at least one binding molecule for neutralizing influenza virus and a vaccine composition containing the same. The composition containing at least one binding molecule for neutralizing influenza virus is capable of increasing the effects of a vaccine, and can thus be used as an adjuvant, which increases an immune response upon vaccine administration, and is very useful in the prevention of diseases caused by viruses.

Abstract: Provided is a self-resonance tuning piezoelectric energy harvester. The self-resonance tuning piezoelectric energy harvester includes a piezoelectric beam which extends along a horizontal direction, a fixing element which fixes two ends of the piezoelectric beam, and a mass which is connected to the piezoelectric beam movably along the piezoelectric beam, wherein the mass includes a through-hole through which the piezoelectric beam passes, and makes the movement through the through-hole. According to the principle of continuous movement to the resonance position, the mass of the self-resonance tuning piezoelectric energy harvester induces the piezoelectric beam to generate displacement to the maximum and maximize the electricity production capacity of the piezoelectric energy harvester.

Abstract: An etchant composition may include: a peroxosulfate; a cyclic amine compound; a first amphoteric compound including a carboxyl group; and a second amphoteric compound including a sulfone group, wherein the second amphoteric compound may be different from the first amphoteric compound.

Abstract: An electronic device is provided. The electronic device includes a housing including a front plate, a back plate, and a side member surrounding a space between the front plate and the back plate. The side member includes a plurality of non-conductive portions and a conductive portion. The electronic device also includes a display module, and at least one wireless communication circuit. The electronic device also includes a printed circuit board (PCB). The camera assembly is exposed through a portion of the back plate. The camera assembly includes an image sensor mounted on the PCB, and a plurality of lenses. The camera assembly also includes a barrel that surrounds the plurality of lenses, and a camera bracket that surrounds at least part of the barrel. The camera assembly also includes a metal case that surrounds at least part of the camera assembly, and a shielding structure.

Abstract: Provided are a compound represented by the following Formula I-1 or I-2, and a composition for preventing or treating dementia or Alzheimer's disease, the composition including the compound and a pharmaceutically acceptable carrier:

Abstract: Provided is a dielectric layer that has a rock salt structure in a room temperature stable phase. The dielectric layer is made of a compound having a chemical formula of BexM1-xO, where M includes one of alkaline earth metals and x has a value greater than 0 and less than 0.5.

Abstract: Disclosed is an outdoor color changeable film with self recovering functions which has self recovering functions such as water repellent, anti-fouling, and antibacterial functions, can block ultraviolet rays, and can be used in various fields due to a long-lasting film property and an insecticidal effect. The outdoor color changeable film is a color changeable film which is constituted by a hard coating pearl layer capable of self recovering, a transparent base film with the hard coating pearl layer formed on the surface, an adhesive coating layer formed on the bottom of the transparent base film, and a release film detachably laminated below the adhesive coating layer and is constituted by mixing pearl particles with a hard coating agent forming the hard coating pearl layer.

Abstract: A semiconductor device includes stack structures each including a first conductive layer, a substrate disposed under the stack structures, first impurity regions disposed in the substrate, and at least one trench passing through the stack structures and disposed above the first impurity regions.

Abstract: A system for controlling a robot moving vertically and horizontally using a motor is provided. The system includes a detector suitable for generating a feedback signal by detecting physical status of the motor; and a controller suitable for detecting loading of a substrate on the robot based on the feedback signal during a vertical moving interval of the robot, and generating a control command in accordance with the detection of the loading of the substrate.

Abstract: The present invention relates to an optical assembly, a backlight unit, and a display apparatus thereof. According to an embodiment of the present invention, an optical assembly includes a first layer, a plurality of light sources disposed over the first layer, a second layer that is disposed above the first layer and covering the plurality of light sources, and a pattern layer disposed above or in the second layer, wherein the pattern layer includes a plurality of patterns disposed at positions substantially corresponding to the light sources.