Abstract: A strain sensor may have a conductive elastic yarn including a first fiber having a predetermined length and a shape of a fiber yarn and a second fiber having electrical conductivity and a sheet shape. The strain sensor may have a pair of wiring members electrically connected to both ends of the conductive elastic yarn. The conductive elastic yarn, with the second fiber wrapped around the first fiber, is twisted in a coil shape.

Abstract: Provided are an IoT device and an IoT communication method. The IoT device may: be connected to a server via NAT; execute a first session for service connection; and execute a second session for calculating a particular keep-alive value corresponding to a period in which an IP address mapped by the NAT expires. The present invention can minimize transmission of a keep-alive value of an IoT device, enables an IoT device to share a particular keep-alive value with other IoT devices, and thus can minimize a network load which may be caused by a keep-alive value of an IoT communication device.

Abstract: A light transmitting film formed in an electronic device, according to various embodiments of the present invention, may comprise: a flexible substrate film layer; a photocurable resin layer disposed on one surface of the substrate film layer and having a predetermined pattern formed thereon; a multicoating layer, disposed on one surface of the photocurable resin film layer, which faces at least one sensor disposed in the electronic device and consists of a plurality of layers; at least one printed layer, disposed on one surface of the multicoating layer, which forms a peripheral area of the at least one sensor; and a ink layer disposed on a surface of at least one of the multi-coating layer and the printed layer, the ink layer having light-transmitting characters.

Abstract: A linear evaporation source is disclosed. In one aspect, the source includes a crucible storing an evaporated material, a heater unit surrounding the crucible and heating the crucible, and a plurality of lateral reflectors surrounding a lateral surface of the heater unit. Each of the lateral reflectors includes a first reflector combined with the heater unit while being spaced apart from the heater unit and having a plurality of first openings and a second reflector movably combined with the first reflector and having a second opening. Open ratios of the lateral reflectors are independently adjusted to control a temperature of the crucible according to areas of the crucible. Thus, deposition uniformity of the linear evaporation source is enhanced.

Abstract: A method of manufacturing a display device is provided. A method of manufacturing a display device comprises preparing a thin film forming apparatus including a crucible, which stores a source material for forming a thin film, and a front heatsink, which is disposed on the crucible and includes a reflective plate, wherein the reflective plate has a first surface with a first reflectivity and a second surface with a second reflectivity, which is different from the first reflectivity; and forming a thin film on a substrate by evaporating the source material of the thin film forming apparatus.

Abstract: A light transmitting film formed in an electronic device, according to various embodiments of the present invention, may comprise: a flexible substrate film layer; a photocurable resin layer disposed on one surface of the substrate film layer and having a predetermined pattern formed thereon; a multicoating layer, disposed on one surface of the photocurable resin film layer, which faces at least one sensor disposed in the electronic device and consists of a plurality of layers; at least one printed layer, disposed on one surface of the multicoating layer, which forms a peripheral area of the at least one sensor; and a ink layer disposed on a surface of at least one of the multi-coating layer and the printed layer, the ink layer having light-transmitting characters.

Abstract: A method of manufacturing a display device is provided. A method of manufacturing a display device comprises preparing a thin film forming apparatus including a crucible, which stores a source material for forming a thin film, and a front heatsink, which is disposed on the crucible and includes a reflective plate, wherein the reflective plate has a first surface with a first reflectivity and a second surface with a second reflectivity, which is different from the first reflectivity; and forming a thin film on a substrate by evaporating the source material of the thin film forming apparatus.

Abstract: An electrophotographic image forming apparatus may include an imaging cartridge and a toner cartridge that are detachably attached to a main body, a first optical sensor that is mounted in the imaging cartridge and detects a toner level in a development chamber, and a second optical sensor that is mounted in the toner cartridge and detects a toner level in the development chamber.

Abstract: An electrophotographic image forming apparatus may include an imaging cartridge and a toner cartridge that are detachably attached to a main body, a first optical sensor that is mounted in the imaging cartridge and detects a toner level in a development chamber, and a second optical sensor that is mounted in the toner cartridge and detects a toner level in the development chamber.

Abstract: An electrophotographic image forming apparatus may include an imaging cartridge and a toner cartridge that are detachably attached to a main body, a first optical sensor that is mounted in the imaging cartridge and detects a toner level in a development chamber, and a second optical sensor that is mounted in the toner cartridge and detects a toner level in the development chamber.

Abstract: A method of manufacturing an organic light emitting display apparatus by utilizing a deposition apparatus for forming an organic layer on a substrate includes: fixing the substrate to a mask assembly for forming a common layer or a mask assembly for forming a pattern layer in a loading unit; when the one or more deposition assemblies are separated from the substrate, forming an intermediate layer by depositing a deposition material discharged from the one or more deposition assemblies in a deposition unit of the deposition apparatus onto the substrate while the substrate is moved relative to the one or more deposition assemblies by a first conveyer unit; and separating the substrate on which the deposition is finished from the mask assembly for forming the common layer or the mask assembly for forming the pattern layer in an unloading unit.

Abstract: An imaging cartridge includes a photoconductive unit including a photoconductor on which an elastic latent image is formed; a development unit including a development roller that supplies toner to the photoconductor to develop the toner and a gap maintaining member that constrains an approach distance of the development roller with respect to the photoconductor; a first position determining portion provided in the development unit; a lateral bracket that is fixed to a side portion of the photoconductive unit and has a second position determining portion that guides the first position determining portion so as to movably support the development unit; and an elastic member that applies to the development unit an elastic force in a direction in which the development roller approaches the photoconductive unit.

Abstract: A deposition apparatus includes: a deposition source disposed facing a substrate and configured to accommodate a deposition material; and a plurality of injection nozzles arranged from one side of the deposition source along a first direction, the plurality of injection nozzles configured to inject the deposition material onto the substrate, each injection nozzle including: a first injection part including a first injection passage which has one end connected to the deposition source and extends along a second direction between the deposition source and the substrate, and a second injection part including a second injection passage which has walls extending from the other end of the first injection passage in a direction inclined at a predetermined inclined angle with respect to the second direction, wherein the first direction is a length direction of the deposition source and the second direction is a height direction of the deposition source.

Abstract: An electrophotographic image forming apparatus may include an imaging cartridge and a toner cartridge that are detachably attached to a main body, a first optical sensor that is mounted in the imaging cartridge and detects a toner level in a development chamber, and a second optical sensor that is mounted in the toner cartridge and detects a toner level in the development chamber.

Abstract: An electrophotographic image forming apparatus includes an imaging cartridge and a toner cartridge that are detachably attached to a main body, a first optical sensor that is mounted in the imaging cartridge and detects a toner level in a development chamber, and a second optical sensor that is mounted in the toner cartridge and detects a toner level in the development chamber.

Abstract: An electrophotographic image forming apparatus may include an imaging cartridge and a toner cartridge that are detachably attached to a main body, a first optical sensor that is mounted in the imaging cartridge and detects a toner level in a development chamber, and a second optical sensor that is mounted in the toner cartridge and detects a toner level in the development chamber.

Abstract: An imaging cartridge includes a photoconductive unit including a photoconductor on which an elastic latent image is formed; a development unit including a development roller that supplies toner to the photoconductor to develop the toner and a gap maintaining member that constrains an approach distance of the development roller with respect to the photoconductor; a first position determining portion provided in the development unit; a lateral bracket that is fixed to a side portion of the photoconductive unit and has a second position determining portion that guides the first position determining portion so as to movably support the development unit; and an elastic member that applies to the development unit an elastic force in a direction in which the development roller approaches the photoconductive unit.

Abstract: A method of manufacturing an organic light emitting display apparatus by utilizing a deposition apparatus for forming an organic layer on a substrate includes: fixing the substrate to a mask assembly for forming a common layer or a mask assembly for forming a pattern layer in a loading unit; when the one or more deposition assemblies are separated from the substrate, forming an intermediate layer by depositing a deposition material discharged from the one or more deposition assemblies in a deposition unit of the deposition apparatus onto the substrate while the substrate is moved relative to the one or more deposition assemblies by a first conveyer unit; and separating the substrate on which the deposition is finished from the mask assembly for forming the common layer or the mask assembly for forming the pattern layer in an unloading unit.

Abstract: An electrophotographic image forming apparatus and a development cartridge are provided. The electrophotographic image forming apparatus includes a body including an opening, a photoreceptor cartridge attached to, or detached from, the body through the opening, a photoconductive drum and a mounting portion, a development cartridge attached to, or detached from, the mounting portion through the opening while the photoreceptor cartridge is mounted in the body, a development roller supplying toner to an electrostatic latent image formed on the photoconductive drum, a cover for opening or closing the opening, and a pressurizing unit fixing the development cartridge to the mounting portion by providing a pressing force to the development cartridge in a direction parallel to a center line connecting centers of the photoconductive drum and development roller while the opening is closed.

Abstract: A deposition amount measuring apparatus includes a plate-shaped body having a rotating shaft, a plurality of deposition amount sensors along side surfaces of the body, the deposition amount sensors being configured to measure an amount of deposition material, and a housing surrounding the body, the housing including an inflow port that exposes one of the deposition amount sensors.