Abstract: An optical path control member according to an embodiment comprises: a first substrate; a first electrode disposed on the first substrate; a second substrate disposed on the first substrate; a second electrode disposed under the second substrate; and a light conversion part disposed between the first electrode and the second electrode, wherein: each of the first substrate and the second substrate includes a first direction, a second direction different from the first direction, and a third direction defined as a thickness-direction of the first substrate and the second substrate; the light conversion part includes a partition wall part and a reception part alternately arranged; and the reception part has a light transmittance changing according to application of a voltage, extends in a fourth direction, and has a lower surface inclined at an acute angle with respect to one side surface of the first substrate.

Abstract: A high-strength austenite-based high-manganese steel material and a manufacturing method for the same, the steel material comprising: manganese (Mn): 20 to 23 wt %, carbon (C): 0.3 to 0.5 wt %, silicon (Si): 0.05 to 0.50 wt %, phosphorus (P): 0.03 wt % or less, sulfur (S): 0.005 wt % or less, aluminum (Al): 0.050 wt % or less, chromium (Cr): 2.5 wt % or less, boron (B): 0.0005 to 0.01 wt %, nitrogen (N): 0.03 wt % or less, and a balance of iron (Fe) and other inevitable impurities, wherein stacked defect energy (SFE) represented by the following relationship 1 is 3.05 mJ/m2 or more, and a microstructure comprises 95 area % or more (including 100 area %) of austenite, and comprises 6 area % or more of strain grain boundaries in an austenite recrystallized grain, is provided. SFE(mJ/m2)=?24.2+0.950*Mn+39.0*C?2.53*Si?5.50*Al?0.765*Cr??[Relationship 1] where Mn, C, Cr, Si, and Al denote weight percent of respective components.

Abstract: The present invention relates to a high manganese steel for low temperature applications and a method for manufacturing the same. The high manganese steel contains 0.3 wt % to 0.8 wt % of C, 18 wt % to 26 wt % of Mn, 0.01 wt % to 1 wt % of Si, 0.01 wt % to 0.5 wt % of Al, 0.1 wt % or less of Ti (excluding 0%), 1 wt % to 4.5 wt % of Cr, 0.1 wt % to 0.9 wt % of Cu, 0.03 wt % or less of S (excluding 0%), 0.3 wt % or less of P (excluding 0%), 0.001 wt % to 0.03 wt % of N, 0.004 wt % or less of B (excluding 0%), and a remainder of Fe and other inevitable impurities, wherein a microstructure comprises an austenite single phase structure, and an average grain size of the austenite is 50 ?m or less.

Abstract: A light path control member according to an embodiment comprises: a first substrate; a first electrode disposed on the first substrate; a second substrate disposed on the first substrate; a second electrode disposed under the second substrate; a light conversion part disposed between the first electrode and the second electrode; and an adhesive layer disposed between the second electrode and the light conversion part, wherein the light conversion part comprises alternately disposed partition wall portions and accommodating portions, the accommodating portions comprise a dispersion and a plurality of light absorbing particles disposed in the dispersion, and the log volume resistivity of the adhesive layer is 9 ?·cm to 15 ?·cm.

Abstract: A light path control member according to an embodiment comprises: a first substrate; a first electrode disposed on the first substrate; a second substrate disposed on the first substrate; a second electrode disposed below the second substrate; and a light conversion unit disposed between the first electrode and the second electrode, wherein the light conversion unit includes a partition wall and an accommodation part that are arranged alternately, the accommodation part changes in light transmittance according to the application of voltage, the accommodation part includes a dispersion liquid and light conversion particles dispersed in the dispersion liquid, the contact surface between the partition wall and the accommodation part is inclined at an inclination angle with respect to a reference axis perpendicular to the upper surface of the first substrate, and the inclination angle is 1° to 10°.

Abstract: The present invention provides a method for preventing or treating a liver disease selected from the group consisting of non-alcoholic fatty liver, non-alcoholic steatohepatitis and hepatic fibrosis comprising administrating at least one selected from the group consisting of an Ssu72 peptide, a polynucleotide encoding the Ssu72 peptide, and an expression vector comprising the polynucleotide.

Abstract: Disclosed herein is a speaker. The speaker includes: an enclosure provided in a rectangular parallelepiped shape; a speaker unit mounted on at least one face of the enclosure; and a partition provided inside the enclosure and partitioning a space, wherein the partition divides a space inside the enclosure, and a space starting from the speaker unit has an asymmetrical cross section of a tunnel structure.

Abstract: A camera module includes a lens module including at least one lens, a housing configured to accommodate the lens module, a first reflection module disposed in front of the lens module, a second reflection module disposed behind the lens module, an image sensor module configured to receive light reflected from the second reflection module, and a light-blocking structure, disposed in the housing between the second reflection module and the image sensor module, including an aperture configured to pass light and an infrared cutoff filter disposed to cover the aperture.

Abstract: Disclosed herein is a cone arranged speaker. The cone arranged speaker includes: a speaker unit; an enclosure accommodating the speaker unit in at least one surface and having an empty space therein; and a conical reflector formed as a cone inside the enclosure, provided to surface-reflect a sound wave propagating from the speaker unit, including a vertex, a circular planar portion, and a side surface portion connecting the vertex and the planar portion, and provided as at least one conical reflector.

Abstract: A light path control member according to an embodiment comprises: a first substrate; a first electrode disposed on the first substrate; a second substrate disposed on the first substrate; a second electrode disposed below the second substrate; a light conversion unit disposed between the first electrode and the second electrode; and a power supply unit connected to the first electrode and the second electrode, wherein the light conversion unit includes a partition wall part and a receiving part that are alternately arranged, the receiving part has a light transmittance that changes in response to the application of a voltage, the receiving part includes a dispersion liquid and a plurality of light absorbing particles dispersed in the dispersion liquid, the height of the receiving part is 15 ?m to 25 ?m, the width of the receiving part is 1.5 ?m to 2.

Abstract: A camera module includes: a housing including a window through which light is incident and disposed on one surface of the housing, wherein a length of the housing in a first direction intersecting an optical axis is greater than a length of the housing in a second direction intersecting the optical axis; a filter member disposed on the window; an adhesive member configured to contact one side of the filter member; and a protrusion configured to surround another side of the filter member not in contact with the adhesive member.

Abstract: In various embodiments, a metamaterial structure antenna may comprise: a feed line for feeding a signal; a ground plane comprising a cross-shaped aperture forming circular polarization on the basis of a magnetic field induced by the fed signal; and a patch plane formed parallel to the ground plane which emits electromagnetic waves on the basis of the circular polarization.

Abstract: The present invention relates to a supported catalyst for propylene polymerization in which a first transition metal compound contributing to the production of crystalline polypropylene and a second transition metal compound contributing to the production of rubbery polypropylene are co-supported, and a method for producing a polypropylene resin using same. By using the supported catalyst, according to the present invention, it is possible to produce, by a single step of propylene polymerization, a polypropylene resin in which crystalline polypropylene and rubbery polypropylene are simultaneously formed.

Abstract: The present invention relates to a supported catalyst for olefin polymerization, and a method for preparing a polyolefin by using same, the supported catalyst comprising: a main catalyst comprising a metallocene-based compound; a cocatalyst comprising an organoaluminum-based compound; an aromatic compound in which two or more polar groups selected from a hydroxyl group (—OH), an amine group (—NH2), a thiol group (—SH), a carboxyl group (—COOH) and an amide group (—CONH2) are bonded, and one or more halogen groups are bonded; and a support for supporting the main catalyst, the cocatalyst and the aromatic compound. When olefins are polymerized by using the supported catalyst of the present invention, the catalyst exhibits excellent activity and fouling can be reduced by inhibiting the generation of polyolefin fine powder.

Abstract: A camera module is provided. The camera module include a housing; a folded module disposed in the housing and including a first reflective member; a lens module disposed in the housing and configured to receive light reflected from the folded module; a holder disposed in the housing and including a second reflective member configured to receive light passing through the lens module; and an image sensor configured to receive light reflected from the second reflective member, wherein a guide shaft disposed in the housing is configured to be inserted into the holder.

Abstract: The cryogenic austenitic high-manganese steel having excellent corrosion resistance, according to one aspect of the present invention, comprises 0.2-0.5 wt % of C, 23-28 wt % of Mn, 0.05-0.5 wt % of Si, 0.03 wt % or less of P, 0.005 wt % or less of S, 0.5 wt % or less of Al, and 3-4 wt % of Cr, with the remainder being Fe and other unavoidable impurities, also comprises at least 95 area % of austenite as a microstructure, and has Cr concentration sections continuously formed within an area of 50 ?m in the thickness direction from the surface, wherein the Cr concentration sections comprise a high Cr concentration section having a relatively high concentration of Cr, and a low Cr concentration section having a relatively low concentration of Cr, and the high Cr concentration section maybe distributed at 30 area % or less (but not 0%) relative to the whole surface area of the Cr sections.

Abstract: The present disclosure relates to a technology for designing a transmitarray antenna based on the mode and incidence angle of feed radio waves. The transmitarray antenna according to one embodiment of the present disclosure includes a plurality of transmitting surface unit cells having different surface structures and different longitudinal lengths located in a plurality of regions, wherein the transmitting surface unit cells are arranged in a mixed manner in the regions based on the different longitudinal lengths and the phase of a transmission coefficient determined based on an input phase and an output phase based on the mode and incidence angle of radio waves transmitted from a feed antenna.

Abstract: Disclosed herein is a speaker. The speaker includes: an enclosure provided in a rectangular parallelepiped shape; a speaker unit mounted on at least one face of the enclosure; and a partition provided inside the enclosure and partitioning a space, wherein the partition divides a space inside the enclosure, and a space starting from the speaker unit has an asymmetrical cross section of a tunnel structure.

Abstract: A hybrid antenna used for an electronic device is disclosed. A hybrid antenna comprises: a substrate comprising a first surface and a second surface and having an insulator; a first conductive member disposed on the first surface of the substrate and having a hole formed therein; a second conductive member disposed on a first area of the second surface of the substrate; and a third conductive member disposed on a second area of the second surface of the substrate and connected to a ground of an electronic device, wherein a first portion of the first conductive member operates as a first antenna for receiving a broadband signal and supplying power to the electronic device, and a second portion operates as a second antenna for receiving wireless power and supplying power to the electronic device, wherein a first power feeding unit is formed between the first antenna and second antenna.

Abstract: Provided according to one embodiment of the present invention are a non-magnetic steel material and a method for manufacturing the same. The steel material comprises 15-27 wt % of manganese, 0.1-1.1 wt % of carbon, 0.05-0.50 wt % of silicon, 0.03 wt % or less (0% exclusive) of phosphorus, 0.01 wt % or less (0% exclusive) of sulfur, 0.050 wt % or less (0% exclusive) of aluminum, 5 wt % or less (0% inclusive) of chromium, 0.01 wt % or less (0% inclusive) of boron, 0.1 wt % or less (0% exclusive) of nitrogen, and a balance amount of Fe and inevitable impurities, has an index of sensitivity of 3.4 or less, the index of sensitivity being represented by the following relational expression (1): [Relational expression 1]?0.451+34.131*P+111.152*Al?799.483*B+0.526*Cr?3.4 (wherein [P], [Al], [B] and [Cr] each mean a wt % of corresponding elements), and contains a microstructure with austenite at an area fraction of 95% or greater therein.