Abstract: A therapeutic effect of Nurr1 and Foxa2 in inflammatory neurologic disorders by M1-to-M2 polarization of glial cells is provided. Specifically, a method of converting glial cells from an M1 phenotype to an M2 phenotype, wherein Nurr1 and Foxa2 are introduced into the glial cells to be overexpressed in the glial cells and a method of preventing or treating an inflammatory neurologic disorder, which includes glial cells into which Nurr1 and Foxa2 are introduced, or a viral vector loaded with Nurr1 and Foxa2, are provided.

Abstract: A vehicle includes a first battery configured to output power at a first voltage, a second battery configured to output power at a second voltage, and a direct current (DC)-DC converter configured to convert the first voltage of the first battery to the second voltage and supply power at the second voltage to the second battery. The DC-DC converter includes a transformer, at least one switch, at least one rectifying diode, and a snubber circuit. The transformer is configured to transform the first voltage to the second voltage. The at least one switch is configured to control a first current input to the transformer from the first battery. The at least one rectifying diode is configured to rectify an alternate current (AC) output from the transformer. The snubber circuit is configured to prevent overvoltage from being applied to the at least one rectifying diode.

Abstract: Disclosed is an optical apparatus including a display unit, a lens configured to pass an image formed by and transmitted from the display unit, a base configured to accommodate the lens therein, and an adjustment unit configured to move the lens relative to the base so as to adjust a path of light passing through the lens.

Abstract: Disclosed is a head mounted display device, the head mounted display device according to an exemplary embodiment of the present invention may comprise: a prism for changing a path of incident light and then emitting the incident light, the prism having therein a reflection-transmission surface for reflecting or transmitting the incident light; and a camera module of which a lens is disposed in a direction that faces the prism.

Abstract: An embodiment of a wearable display device may comprise: a base having a receiving space formed therein; a prism placed in front of an eye of a user, and adjusting the path of light, at least a part of which is incident, to allow a displayed virtual image to arrive at the eye; and a fastening unit for making a part of the prism and a part of the base be fastened to each other, thereby limiting the motion of the prism with respect to the base.

Abstract: A power oscillator using a GaN power amplifier, includes: the GaN power amplifier configured of a gallium nitride (GaN) element to amplify and output power of an input signal; a directional coupler for providing part of an output signal of the GaN power amplifier as a feedback signal; a phase shifter for changing a phase of the feedback signal provided by the directional coupler; and a first isolator for adjusting impedance mismatching generated by the phase shifter and transferring the feedback signal to the GaN power amplifier.

Abstract: Embodiments relate to a head-mounted display which comprises: a light source; a lens part disposed on the optical axis of the light source; an image display part disposed apart from the lens part; a body disposed apart from the image display part, including a correction lens having protruding parts disposed at the center of the top and bottom surfaces thereof, and having a first hole, forming a path through which the protruding parts pass and the correction lens moves, disposed in a direction parallel to the optical axis; a correction lens position adjusting part having at least one second hole disposed therein which is coupled to the protruding parts passing through the first hole, surrounding the body, and moving in a direction parallel to the optical axis; and an image viewing part connected to the body.

Abstract: The present embodiment relates to a dual camera module comprising: a first camera module including a first liquid lens and capturing a first image; and a second camera module including a second liquid lens and capturing a second image, wherein a viewing angle of the first camera module is smaller than a viewing angle of the second camera module, at least a part of the viewing angle of the first camera module is included in the viewing angle of the second camera module such that there is an overlapping area between the first image and the second image so as to enable a composite image formed by combining the first image and the second image to be generated, and when the first camera module is focused, a focal length of the first liquid lens is varied according to the distance between the first liquid lens and a subject, and when the second camera module is focused, a focal length of the second liquid lens is varied according to the distance between the second liquid lens and the subject.

Abstract: A knockdown cable tray made of a fire-retardant plastic and a coupling device therefor are capable of being used to easily and efficiently install an incombustible knockdown cable tray to suspend a plurality of cables from a ceiling. The knockdown cable tray includes: a pair of side panels, each of which includes a frame having a plurality of coupling holes formed in opposite ends thereof in a lengthwise direction and a coupler protruding outwardly from the frame, the side panels being located opposite each other; a plurality of rung members, each of which is detachably coupled to the couplers and firmly supports the side panels; and coupling devices, each of which is detachably coupled to the coupling holes of each frame and firmly couples a plurality of side panels disposed in a lengthwise direction.

Abstract: Embodiments relate to a head-mounted display which comprises: a light source; a lens part disposed on the optical axis of the light source; an image display part disposed apart from the lens part; a body disposed apart from the image display part, including a correction lens having protruding parts disposed at the center of the top and bottom surfaces thereof, and having a first hole, forming a path through which the protruding parts pass and the correction lens moves, disposed in a direction parallel to the optical axis; a correction lens position adjusting part having at least one second hole disposed therein which is coupled to the protruding parts passing through the first hole, surrounding the body, and moving in a direction parallel to the optical axis; and an image viewing part connected to the body.

Abstract: The present invention relates to: a cell therapeutic agent including ventral midbrain-derived astrocytes and dopamine neural progenitor cells; a method of treating a neurodegenerative disorder including administering a pharmaceutical composition comprising ventral midbrain-derived astrocytes and dopamine neural progenitor cells into a subject; and a method for differentiation into dopamine neurons, which includes preparing a mixture of ventral midbrain-derived astrocytes and dopamine neural progenitor cells and co-culturing or co-grafting the mixture. The co-grafting of ventral midbrain-derived astrocytes and dopamine neural progenitor cells (neural stem cells) improves the survival and differentiation of dopamine neurons and thus dramatically improves therapeutic outcomes in a neurodegenerative disorder including Parkinson's disease.

Abstract: A toggle key blocking method for data security and an apparatus using the same. The toggle key blocking method for data security includes monitoring use of a toggle key on a host with which a keyboard is used, when use of a toggle key on the host is detected, generating details of occurrence of a toggle key event based on a time at which the toggle key event occurred; and blocking use of the toggle key on the host if the host satisfies a toggle key blocking condition based on the details of occurrence of the toggle key event.

Abstract: The present invention relates to a cell therapeutic agent including ventral midbrain-type neural stem cells (VM-NSCs) obtained by treating vitamin C during cell expansion to prevent or treat a neurological disease. Since the vitamin C treatment during NSC expansion prevents the loss of therapeutic function-related NSC characteristics, such as expression of midbrain-specific factors, in the cell expansion, a safe, simple and effective method for mass-producing a cell therapeutic agent with excellent therapeutic functions is provided.

Abstract: The present disclosure relates to a worn banknote identification method and an ATM (Automated Teller Machine) using the same, and more particularly, to a worn banknote identification method which acquires an image of a banknote inserted into an ATM, divides pixels of the acquired banknote image into a bright region and dark region depending on a brightness distribution of the banknote image, determines the wear level of the banknote by comparing a difference between the average brightness values of the two regions to a preset reference value, and separately stores the inserted banknote into a reject box depending on the wear level of the banknote, and an ATM using the same.

Abstract: One embodiment of an iris recognition camera system comprises: an optical unit for collecting optical information of an iris; and an imaging unit for outputting the optical information of the iris obtained by the optical unit, wherein the optical unit comprises: a first group having a first thickness and refracting light incident from an object; and a second group disposed on the back surface of the first group and comprising at least one lens, wherein the first group comprises a holographic optical element (HOE).

Abstract: A liquid-crystal display device includes: a first substrate; a second substrate disposed opposite to the first substrate, where a display area and a non-display area are defined in each of the first and second substrates, a liquid-crystal layer disposed between the first substrate and the second substrate, an organic layer including a protruding portion disposed in the non-display area of the first substrate, and a light-blocking pattern disposed on the organic layer and comprising a step protruding therefrom, where the step overlaps the protruding portion.

Abstract: The present disclosure provides an RF power device including: a single RF power transistor; a pad spaced apart from the single RF power transistor and configured to transmit a temperature and RF characteristic information of the single RF power transistor to an outside; and a temperature and RF characteristic detector connected between the pad and the ground and configured to detect the temperature and the RF characteristics of the single RF power transistor, and is characterized in that the ground is connected to the single RF power transistor, and the single RF power transistor, the pad, and the temperature and RF characteristic detector are manufactured on the same wafer.

Abstract: A portable device having an exhalation sensing function is provided. The portable device includes a gas detector that analyzes exhalation, and a device main body including a receiving portion in which the gas detector is received, the device main body having a call function, wherein, when a user makes a call using the device main body, the gas detector is automatically projected from the receiving portion of the device main body, and senses the user's exhalation.

Abstract: A fluid occlusion detection apparatus is disclosed. The fluid occlusion detection apparatus includes: a structure disposed on a fluid delivery device and that is deformed according to pressure; and a change detection sensor in a surrounding region of the structure, wherein the fluid delivery device includes a fluid reservoir container and/or a fluid delivery passageway for connecting a human body and the fluid reservoir container, and the change detection sensor detects a change in a value related to the change detection sensor due to deformation of a shape of the structure according to an increase in pressure inside the fluid delivery device by fluid occlusion inside the fluid delivery device.

Abstract: A method of manufacturing a feedthrough having an enhanced hermetic sealing and used for a human implantable medical device such as a deep brain stimulator, a implantable AED, a implantable spinal cord stimulator and so on. Thus, more enhanced reproducibility and productivity in the diffusion welding and the laser hole machining may be guaranteed in the present method of manufacturing the feedthrough, compared to the conventional method using the ceramic metallizing and the brazing.