Abstract: A device for inspecting a liquid crystal stain of a polarization plate, the device comprising a surface light source; a first polarization member; a polarization plate including a liquid crystal film; a second polarization member; and an inspection source, and a method using the device, the device and the method capable of easily inspecting liquid crystal stains generated on a polarization plate with excellent visibility.

Abstract: The present application can provide a thin polarizing plate having excellent antireflection performance in all directions including the side as well as the front, and having excellent folding durability and durability against short wavelengths. In addition, the present application can provide an organic light-emitting display device to which the polarizing plate is applied and a display device comprising the same.

Abstract: A printed circuit board according to an embodiment includes a first insulating layer; a first circuit pattern disposed on a lower surface or inside the first insulating layer; a second circuit pattern disposed on an upper surface of the first insulating layer; a second insulating layer disposed on the upper surface of the first insulating layer and surrounding the second circuit pattern; and a protective layer disposed on an upper surface of the second insulating layer, wherein the second insulating layer has at least one recess formed on its upper surface, and wherein the protective layer is disposed in the recess formed on the upper surface of the second insulating layer.

Abstract: A printed circuit board according to an embodiment comprises: a substrate comprising at least two insulating layers; pads arranged on the substrate; heat dissipation vias arranged to pass through the substrate in a region of the substrate which vertically overlaps the pads; and through vias arranged to pass through the substrate in a region of the substrate which does not vertically overlap the pads, wherein each heat dissipation via includes a plurality of via parts which are spaced apart from each other in at least one of the at least two insulating layers, the upper surface of each of the plurality of via parts has a first horizontal width in a first direction that is smaller than a second horizontal width thereof in a second direction different from the first direction, and the plurality of via parts have a surface area corresponding to 10% or greater of the surface area of the pads.

Abstract: A circuit board according to an embodiment includes an insulating layer; and a via formed in the insulating layer; wherein a width of an upper surface of the via is greater than a width of a lower surface of the via, and wherein the width of the lower surface of the via is 75% to 95% of the width of the upper surface of the via.

Abstract: An access management method includes: acquiring an image of an entrant entering a workplace; determining whether clothing of the entrant satisfies an access clothing requirement for the workplace using the image and a clothing recognition model trained in advance; and providing the entrant with a result of the determination.

Abstract: A printed board, a screen-printing ink, and a screen-printing method are provided. The printed board comprises a printed pattern and/or printed line which comprises a polymer binder and a fluorine-based surfactant, has excellent thickness uniformity and straightness, has no edge top defect, and is not damaged even when formed on a repeatedly folded substrate.

Abstract: A substrate processing apparatus includes: a disk including a plurality of electrostatic chucks periodically disposed at a constant radius from a central axis; a disk support supporting the disk; a DC line electrically connected to the plurality of electrostatic chucks through the disk support; and a power supply configured to supply power to the DC line. The DC line includes: a first DC line penetrating through the disk support from the power supply; a power distribution unit configured to distribute the first DC line to connect the first DC line to each of the plurality of electrostatic chucks; and a plurality of second DC lines respectively connected to the plurality of electrostatic chucks in the power distribution unit.

Abstract: A substrate processing apparatus includes: a disk including a plurality of electrostatic chucks periodically disposed at a constant radius from a central axis; a disk support supporting the disk; a DC line electrically connected to the plurality of electrostatic chucks through the disk support; and a power supply configured to supply power to the DC line. The DC line includes: a first DC line penetrating through the disk support from the power supply; a power distribution unit configured to distribute the first DC line to connect the first DC line to each of the plurality of electrostatic chucks; and a plurality of second DC lines respectively connected to the plurality of electrostatic chucks in the power distribution unit.

Abstract: A printed circuit board according to an embodiment includes a first insulating layer; a first circuit pattern disposed on a lower surface or inside the first insulating layer; a second circuit pattern disposed on an upper surface of the first insulating layer; a second insulating layer disposed on the upper surface of the first insulating layer and surrounding the second circuit pattern; and a protective layer disposed on an upper surface of the second insulating layer, wherein the second insulating layer has at least one recess formed on its upper surface, and wherein the protective layer is disposed in the recess formed on the upper surface of the second insulating layer.

Abstract: A substrate processing apparatus includes: a disk including a plurality of electrostatic chucks periodically disposed at a constant radius from a central axis; a disk support supporting the disk; a DC line electrically connected to the plurality of electrostatic chucks through the disk support; and a power supply configured to supply power to the DC line. The DC line includes: a first DC line penetrating through the disk support from the power supply; a power distribution unit configured to distribute the first DC line to connect the first DC line to each of the plurality of electrostatic chucks; and a plurality of second DC lines respectively connected to the plurality of electrostatic chucks in the power distribution unit.

Abstract: The present application can provide a thin polarizing plate having excellent antireflection performance in all directions including the side as well as the front, and having excellent folding durability and durability against short wavelengths. In addition, the present application can provide an organic light-emitting display device to which the polarizing plate is applied and a display device comprising the same.

Abstract: The present disclosure relates to a film-forming polymer with both of excellent water-repellent and oil-repellent properties and a cosmetic composition with excellent long-lasting property comprising the same. The film-forming polymer and cosmetic composition comprising the same according to the present disclosure increase the durability of makeup, so that even after a long period of time, numbers of correction makeup are reduced or does not need to be corrected.

Abstract: The printed circuit board according to the embodiment includes a first insulating layer; a first circuit pattern disposed on a lower surface of the first insulating layer or inside the first insulating layer; a second circuit pattern disposed on an upper surface of the first insulating layer; and a second insulating layer disposed on the upper surface of the first insulating layer and to surround the second circuit pattern; wherein the second circuit pattern is an outermost circuit pattern, wherein the second circuit pattern and the second insulating layer are disposed to protrude on the upper surface of the first insulating layer, and wherein a height of the second circuit pattern is greater than a height of the second insulating layer.

Abstract: A device for inspecting a liquid crystal stain of a polarization plate, the device comprising a surface light source; a first polarization member; a polarization plate including a liquid crystal film; a second polarization member; and an inspection source, and a method using the device, the device and the method capable of easily inspecting liquid crystal stains generated on a polarization plate with excellent visibility.

Abstract: A substrate processing apparatus may include a first disk provided in a chamber and configured to perform a turning motion and to include a plurality of seating holes periodically arranged within a specific radius from a center axis, a plurality of second disks provided in the seating holes, respectively, and configured to perform a revolving and rotating motion in accordance with the turning motion of the first disk, a first rotary connector structure provided between the second disk and the seating hole to allow for a rotating motion of and for an electric connection to the second disk, an electrostatic chuck provided on the second disk and configured to hold a substrate using an electric power supplied through the first rotary connector structure, and a first magnetic gear fixed to the second disk and configured to exert a torque on the second disk, and a second magnetic gear.

Abstract: A printed circuit board according to an embodiment comprises: a substrate comprising at least two insulating layers; pads arranged on the substrate; heat dissipation vias arranged to pass through the substrate in a region of the substrate which vertically overlaps the pads; and through vias arranged to pass through the substrate in a region of the substrate which does not vertically overlap the pads, wherein each heat dissipation via includes a plurality of via parts which are spaced apart from each other in at least one of the at least two insulating layers, the upper surface of each of the plurality of via parts has a first horizontal width in a first direction that is smaller than a second horizontal width thereof in a second direction different from the first direction, and the plurality of via parts have a surface area corresponding to 10% or greater of the surface area of the pads.

Abstract: A shifting manipulation-assisting device and a hub-embedded transmission, wherein in controlling pawls that restrain rotation of sun gears to perform shifting in a planetary gear set, shifting control is properly performed even with a small manipulation force. The shifting manipulation-assisting device includes a pawl control ring having an inner peripheral surface to control laying-down of control pawls, and an outer peripheral surface formed with rotation restricting protrusions; an angle control member positioned on an inner periphery side of a driver; pressing members supported on the angle control member, and positioned between the unidirectionally inclined recesses and an inner peripheral surface of the driver; an elastic connecting body connected to resiliently support the pawl control ring; a fixed support member non-rotatably fixed to the shaft and rotatably supporting the driver; and a return spring connected to reversely rotate and accordingly return the angle control member.

Abstract: Provided are a microscope apparatus and a method for correcting a position of a light source according to an exemplary embodiment of the present disclosure. The microscope apparatus for correcting the position of the light source according to the exemplary embodiment of the present disclosure includes: a light source unit which includes a light emitting element array including multiple light emitting elements and is configured to emit light to a subject; an optical unit which is disposed in parallel with the subject and configured to form an enlarged image of the subject to which the light is emitted; an image sensor which is configured to acquire the enlarged image of the subject by capturing the enlarged image formed by the optical unit; and a processor which is operably connected to the light source unit, the optical unit, and the image sensor and corrects a position of the light source unit based on the image acquired by the image sensor.