Abstract: A height control apparatus for a headrest, includes: an installation part formed to be recessed forward on a back surface of a headrest main body; support members provided on both left and right end portions of the installation part; a height control guide block inserted between the back surface of the headrest main body, which corresponds to the installation part, and the support member; and a frictional force generator coupled to front surfaces of a pair of guide protrusions, which correspond to both left and right end portions of the height control guide block, and being in contact with the back surface of the headrest main body, which corresponds to the installation part, to generate a frictional force corresponding to a reaction force of an initial operating force provided by a user.

Abstract: An armrest assembly includes: an arm frame body having formed therein an inner space with an open upper end, and mediating coupling to a seat portion; an inner body which is inserted to be arranged in the inner space of the arm frame body, and is arranged to be movable in up and down directions according to the manipulation of a user; an arm support pad which is connected to the upper portion of the inner body, on which the arm of the user is placed and supported, and which has a front end portion rotatable in the left and right horizontal directions due to an external force provided by the user; and a frictional ring which provides the frictional force between the inner body and the arm support pad.

Abstract: A window substrate includes a glass substrate, and a shock wave transmission layer on a first surface of the glass substrate, wherein a density and elastic modulus of the shock wave transmission layer are respectively less than those of the glass substrate.

Abstract: A protective cover and a display device including a protective cover are provided. According to one or more embodiments, a protective cover includes a cover substrate; a first anti-scattering coating layer on the cover substrate; an intermediate layer on the first anti-scattering coating layer; a second anti-scattering coating layer on the intermediate layer; and an adhesive layer on the second anti-scattering coating layer, and the first anti-scattering coating layer and the second anti-scattering coating layer cover an upper surface, a lower surface, and at least one side surface of the intermediate layer.

Abstract: Disclosed is an electrode for lithium-air batteries without using a binder and a carbon additive and a method of manufacturing the same, and more specifically, provided is a nanofiber network-based current collector-catalyst monolithic porous air electrode which has an improved specific surface area and high air permeability as the energy density per weight is increased and the diameter, porosity, and thickness of the nanofibers are controlled by utilizing a significantly light polymer and carbon based material.

Abstract: A protective cover includes a cover substrate, an anti-scattering coating layer on the cover substrate, and an adhesive layer on the anti-scattering coating layer, wherein the anti-scattering coating layer has a plurality of protrusions, wherein the cover substrate has a thickness of 10 ?m to 150 ?m, and wherein the cover substrate and the anti-scattering coating layer are configured to be folded with a curvature radius of 10 mm or less.

Abstract: Provided is a wire grid polarizing plate. The wire grid polarizing plate comprises a light-transmitting substrate and wire grid patterns which are disposed on the light-transmitting substrate, and which are arranged to transmit first polarized light and to reflect second polarized light polarized in a direction perpendicular to that of the first polarized light, the wire grid patterns comprising target patterns comprising conductive structures shaped as closed curves, at least one of the conductive structures surrounding another one of the conductive structures with a gap therebetween.

Abstract: A display device, including: a display panel configured to display an image through a frontal surface thereof; and a window substrate disposed on the frontal surface of the display panel. The window substrate includes at least two sheets of base substrates. The display device may also include an ultraviolet blocking layer. The ultraviolet blocking layer may be disposed between the at least two base substrates.

Abstract: Provided is a wire grid polarizing plate. The wire grid polarizing plate comprises a light-transmitting substrate and wire grid patterns which are disposed on the light-transmitting substrate, and which are arranged to transmit first polarized light and to reflect second polarized light polarized in a direction perpendicular to that of the first polarized light, the wire grid patterns comprising target patterns comprising conductive structures shaped as closed curves, at least one of the conductive structures surrounding another one of the conductive structures with a gap therebetween.

Abstract: A display device, including: a display panel configured to display an image through a frontal surface thereof; and a window substrate disposed on the frontal surface of the display panel. The window substrate includes at least two sheets of base substrates. The display device may also include an ultraviolet blocking layer. The ultraviolet blocking layer may be disposed between the at least two base substrates.

Abstract: A window substrate includes a glass substrate, and a shock wave transmission layer on a first surface of the glass substrate, wherein a density and elastic modulus of the shock wave transmission layer are respectively less than those of the glass substrate.

Abstract: A protective cover and a display device including a protective cover are provided. According to one or more embodiments, a protective cover includes a cover substrate; a first anti-scattering coating layer on the cover substrate; an intermediate layer on the first anti-scattering coating layer; a second anti-scattering coating layer on the intermediate layer; and an adhesive layer on the second anti-scattering coating layer, and the first anti-scattering coating layer and the second anti-scattering coating layer cover an upper surface, a lower surface, and at least one side surface of the intermediate layer.

Abstract: A protective cover includes a cover substrate, an anti-scattering coating layer on the cover substrate, and an adhesive layer on the anti-scattering coating layer, wherein the anti-scattering coating layer has a plurality of protrusions, wherein the cover substrate has a thickness of 10 ?m to 150 ?m, and wherein the cover substrate and the anti-scattering coating layer are configured to be folded with a curvature radius of 10 mm or less.

Abstract: Provided is a wire grid polarizing plate. The wire grid polarizing plate comprises a light-transmitting substrate and wire grid patterns which are disposed on the light-transmitting substrate, and which are arranged to transmit first polarized light and to reflect second polarized light polarized in a direction perpendicular to that of the first polarized light, the wire grid patterns comprising target patterns comprising conductive structures shaped as closed curves, at least one of the conductive structures surrounding another one of the conductive structures with a gap therebetween.

Abstract: A protecting cover includes a cover substrate, and a coating layer provided on the cover substrate, wherein the coating layer includes a matrix and a filler embedded in the matrix.

Abstract: The wire grid polarizer plate includes a light permeable substrate and a conductive pattern layer arranged on one surface of the light permeable substrate, the conductive pattern layer includes window regions and at least one reflective region arranged in a rectangular region which is circumscribed to the window regions, the window regions have target patterns including conductive simple closed curves surrounding in piles, spaced apart from each other at an interval of a period which is shorter than a wavelength of incident light, transmit first polarized light of the incident light and reflect second polarized light which is perpendicular to the first polarized light and the reflective regions reflect both of the first polarized light and the second polarized light.

Abstract: A coating method includes coating a first coating composition including a heterogeneous photoinitiator having a first photoinitiator and a second photoinitiator on a substrate, irradiating ultraviolet rays having a first wavelength into the first coating composition to form a first coating layer and cure the first photoinitiator, coating a second coating composition on the first coating layer, and irradiating ultraviolet rays having a second wavelength different than the first wavelength into the second coating composition to form a second coating layer.

Abstract: A method of fabricating a polarizer, the method including, forming a base substrate by sequentially forming a metal layer, a guide layer, a hard mask layer, a sacrificial layer, and a first photoresist layer on a light-transmitting substrate in a panel area and an alignment key area which are spatially separated from each other, forming a first photoresist layer pattern for forming an alignment key pattern in the alignment key area by patterning the first photoresist layer, forming a sacrificial layer pattern in the alignment key area utilizing the first photoresist layer pattern as a mask, and forming a second photoresist layer on a top surface of the sacrificial layer pattern of the alignment key area before removing the sacrificial layer of an aperture area of the panel area.

Abstract: A method for fabricating a wire grid polarizer according to an embodiment comprises: forming a conductive layer on a substrate; forming a guide layer on the conductive layer; forming a hard mask pattern to partially expose the guide layer; forming a guide pattern to partially expose the conductive layer; providing a block copolymer of two monomers having different etching rates; forming two sets of monomer blocks by aligning the block copolymer; selectively removing one set of monomer blocks; and forming a conductive wire pattern using the remaining set of monomer blocks and the guide pattern as etching masks. A width of an upper end of the guide pattern adjacent to the hard mask pattern is smaller than a width of a lower end adjacent to the conductive layer. The width of the upper end of the guide pattern is smaller than a width of the hard mask pattern.