Abstract: A glass article includes lithium alumino-silicate (“LAS”), a first surface, a second surface opposed to the first surface, a first compressive region extended from the first surface to a first compression depth, a second compressive region extended from the second surface to a second compression depth, and a tensile region disposed between the first compression depth and the second compression depth, wherein a stress profile in the first compressive region comprises a first segment provided between the first surface and a first transition point and a second segment provided between the first transition point and the first compression depth, and wherein a ratio of a stress at the first transition point to a stress at the first surface ranges from 0.22 to 0.47.

Abstract: A cover window, a manufacturing method of a cover window, and a display device including a cover window are provided. A cover window includes a folding portion and a non-folding portion, and the folding portion includes an inside surface that is compressed when folded and an outside surface that is stretched when folded, the folding portion includes a first layer adjacent to the outside surface, a second layer adjacent to the inside surface, and a third layer between the first layer and the second layer, the folding portion and the non-folding portion include at least one metal ion, a concentration of the metal ion included in the second layer is higher than a concentration of the metal ion included in the first layer, and the first layer includes a plurality of depletion regions.

Abstract: A glass article includes a first surface, a second surface opposed to the first surface, a first compressive region extending from the first surface to a first compression depth, a second compressive region extending from the second surface to a second compression depth and a tensile region between the first compression depth and the second compression depth. A stress profile of the first compressive region includes a first segment located between the first surface and a first transition point and a second segment located between the first transition point and the first compression depth. A depth from the first surface to the first transition point ranges from 6.1 ?m to 8.1 ?m. A compressive stress at the first transition point ranges from 207 MPa to 254 MPa. A stress-depth ratio of the first transition point ranges from 28 MPa/?m to 35 MPa/?m.

Abstract: A manufacturing method of a display device includes: forming a laminate by laminating resins on first and second side surfaces of a glass; removing the resins along a laser irradiation line by irradiating a laser on the laminate; separating the laminate into a plurality of laminates by performing primary etching using an etching liquid composition; vertically stacking the plurality of laminates; and performing secondary chemical etching on a structure formed by stacking the plurality of laminates.

Abstract: A glass polishing apparatus includes a jig that holds a glass structure. The glass polishing apparatus includes a first flat portion, a second flat portion opposite to the first flat portion, and a curved portion connecting the first flat portion to the second flat potion The jig and includes a first holding surface holding the first flat portion, a second holding surface disposed opposite to the first holding surface and holding the second flat portion, and a third holding surface connecting the first holding surface to the second holding surface and holding the curved portion. At least a portion of a roller unit having a cylindrical shape is inserted between the first flat portion and the second flat portion.

Abstract: A method of manufacturing a cover window for a display device includes: providing a glass substrate having a bendable area and a flat area; modifying the bendable area by irradiating the glass substrate with a beam; and etching the bendable area to have a thinner thickness than the flat area. The bendable area may have a faster etch rate than the flat area due to the modifying of the bendable area.

Abstract: A glass manufacturing apparatus includes a support configured to hold a glass including a first flat portion, a second flat portion, and a curved portion connecting one side of the first flat portion and one side of the second flat portion. The support includes a first flat surface supporting the first flat portion, a second flat surface facing the first flat surface and supporting the second flat portion, and a curved surface connecting the flat surface to the second flat surface and supporting the curved portion.

Abstract: A glass article includes first and second surfaces opposed to each other; a first compressive region extending from the first surface to a point at a first compression depth; a second compressive region extending from the second surface to a point a second compression depth; and a tensile region disposed between the first and second compressive regions. A stress profile of the first compressive region includes a first segment between the first surface and a first transition point and a second segment between the first transition point and the first compression depth. A depth from the first surface to the first transition point is 8.1 ?m to 9.5 ?m, a stress at the first transition point is greater than or equal to 197 MPa, and a stress at a point of 50 ?m in a depth direction from the first surface is greater than or equal to 75 MPa.

Abstract: A glass article includes a first surface; a second surface opposed to the first surface; a side surface connecting the first surface to the second surface; a first surface compressive region extending from the first surface to a first depth; a second surface compressive region extending from the second surface to a second depth; and a side compressive region extending from the side surface to a third depth, where the first surface and the side surface are non-tin surfaces, the second surface is a tin surface, and a maximum compressive stress of the second surface compressive region is greater than a maximum compressive stress of the first surface compressive region.

Abstract: A substrate polishing system includes: a polishing machine and a substrate transporter. The polishing machine includes: a lower surface plate to which a substrate is mounted, and an upper surface plate which faces the lower surface plate and polishes the substrate in cooperation with the lower surface plate, the upper surface plate having a larger area than the substrate mounted on the lower surface plate. The substrate transporter is adjacent to the polishing machine and commonly transports the substrate to and from the polishing machine in a first direction, attaches the substrate to the lower surface plate before polishing thereof, and separates from the lower surface plate the substrate after polishing thereof.

Abstract: A glass article includes a first surface, a second surface opposed to the first surface, a first compressive region extending from the first surface to a first compression depth, a second compressive region extending from the second surface to a second compression depth and a tensile region between the first compression depth and the second compression depth. A stress profile of the first compressive region includes a first segment located between the first surface and a first transition point and a second segment located between the first transition point and the first compression depth. A depth from the first surface to the first transition point ranges from 6.1 ?m to 8.1 ?m. A compressive stress at the first transition point ranges from 207 MPa to 254 MPa. A stress-depth ratio of the first transition point ranges from 28 MPa/?m to 35 MPa/?m.

Abstract: An apparatus and a method for manufacturing a display device are provided. An apparatus for manufacturing a display device includes a first unit configured to remove impurities of a support substrate, a second unit configured to form a sacrificial layer on the support substrate, a third unit configured to form a flexible substrate on the sacrificial layer, and a fourth unit configured to form a display unit on the flexible substrate. The second unit includes a moving unit movable in a first direction to receive the support substrate, a first supply nozzle configured to spray a solution onto the support substrate to coat a graphene oxide layer, and a second supply nozzle configured to dry the graphene oxide layer coated on the support substrate while removing a portion of the graphene oxide layer, to form the sacrificial layer.

Abstract: A method for manufacturing a glass article for a display device includes: providing a LAS-based glass; a first step of immersing the LAS-based glass in a first molten salt; a second step of immersing the LAS-based glass subjected to the first step in a second molten salt; and a third step of immersing the LAS-based glass subjected to the second step in a third molten salt, wherein the concentrations of the first, second, and third molten salts and manufacturing conditions are defined herein.

Abstract: An apparatus for manufacturing a glass article includes a plurality of side portions spaced apart from each other; and a plurality of heat supply portions disposed on each of the side portions; where the side portions adjacent to each other are disposed to face each other, and a glass is allowed to be disposed between the adjacent side portions.

Abstract: A glass article includes first and second surfaces opposed to each other; a first compressive region extending from the first surface to a point at a first compression depth; a second compressive region extending from the second surface to a point a second compression depth; and a tensile region disposed between the first and second compressive regions. A stress profile of the first compressive region includes a first segment between the first surface and a first transition point and a second segment between the first transition point and the first compression depth. A depth from the first surface to the first transition point is 8.1 ?m to 9.5 ?m, a stress at the first transition point is greater than or equal to 197 MPa, and a stress at a point of 50 ?m in a depth direction from the first surface is greater than or equal to 75 MPa.

Abstract: A glass article includes lithium alumino-silicate (“LAS”), a first surface, a second surface opposed to the first surface, a first compressive region extended from the first surface to a first compression depth, a second compressive region extended from the second surface to a second compression depth, and a tensile region disposed between the first compression depth and the second compression depth, wherein a stress profile in the first compressive region comprises a first segment provided between the first surface and a first transition point and a second segment provided between the first transition point and the first compression depth, and wherein a ratio of a stress at the first transition point to a stress at the first surface ranges from 0.22 to 0.47.

Abstract: A glass product includes: a first compressive region at a first surface; a second compressive region at a second surface; and a tensile region between the first and second compression regions. A stress profile of the first compressive region includes a first trend line between the first surface and a first transition point, a second trend line between the first transition point and a second transition point, and a third trend line between the second transition point and a point at a first compression depth from the first surface. A depth from the first surface to the first transition point is 10 ?m or less, a stress at the first transition point is 200 MPa or greater, a depth from the first surface to the second transition point is 50 ?m to 80 ?m, and a stress at the second transition point is 40 MPa to 100 MPa.

Abstract: A glass article includes lithium aluminosilicate, includes a first surface, a second surface opposed to the first surface, a first compressive region extending from the first surface to a first compression depth, a second compressive region extending from the second surface to a second compression depth, and, a tensile region disposed between the first compression depth and the second compression depth, where a stress profile of the first compressive region has a first local minimum point at which the stress profile is convex downward and a first local maximum point at which the stress profile is convex upward, where a depth of the first local maximum point is greater than a depth of the first local minimum point, and where a stress of the first local maximum point is greater than a compressive stress of the first local minimum point.

Abstract: An electronic device is disclosed. An electronic device comprises: a first memory in which an operating system and an application program executed on the operating system are stored; a second memory; a processor for loading at least some codes among codes corresponding to an application program from the first memory to the second memory, and when access information of the codes loaded in the second memory is received from a kernel of an operating system, accessing an area in which the loaded codes are stored, on the basis of the received information and executing the application program; and a snoop for monitoring access to an area in which a preset code, the access of which has been limited, from among codes loaded in the second memory is stored.

Abstract: A display device includes a base, a light emitting device on a first surface of the base, and a plate-like inorganic layer on a second surface of the base, the plate-like inorganic layer including a first plate-like inorganic particle with a first size and a second plate-like inorganic particle with a second size different from the first size.