Abstract: The present specification relates to an optical film including a transparent film, and a coating layer on at least one surface of the transparent film, wherein the coating layer includes a polyester-based resin and a polyurethane-based resin, and is formed using a composition having a minimum film-forming temperature difference of 40° C. to 110° C. between the polyester-based resin and the polyurethane-based resin, and a polarizing plate including the same.

Abstract: The present invention relates to an optical film including: a base material film; and a primer layer containing a polyester resin and water-dispersible minute particulates on at least one surface of the base material film and having a refractive index difference of 0.03 or less from the base material film, in which the polyester resin includes polyester glycol formed by a reaction of polybasic acid including an aromatic carboxylic acid compound and an aliphatic carboxylic acid compound at a mole ratio of 1:9 to 9:1 and polyol, adhesion force between the optical film and a functional coating layer is excellent, and a rainbow phenomenon is reduced and an optical property is excellent due to a small refractive index difference.

Abstract: A cordless charging apparatus includes a housing, a main substrate accommodated in the housing, a coil unit stacked on the main substrate, and a connection member for electrically connecting the coil unit to the main substrate. The connection member includes a connector provided on the main substrate, and a connection substrate provided at the coil unit in order to contact the connector and electrically connect with the coil unit stacked on the main substrate.

Abstract: Disclosed is an electronic device including a display; a connector; and a processor configured to sense moisture introduced into the connector in a state where one or more functions executable by connection of the connector with an external electronic device are activated; deactivate the one or more functions based on the sensing; determine whether the introduced moisture is removed in a state where the one or more functions are deactivated; and activate the one or more functions if the moisture is removed.

Abstract: A method and electronic device for performing wireless charging are provided. The electronic device includes a housing, a conductive coil, a power transmission circuit electrically connected to the conductive coil, and configured to wirelessly transmit power to an outside of the housing through the conductive coil, a voltage source electrically connected to the power transmission circuit, and a control circuit electrically connected between the power transmission circuit and the voltage source. The control circuit is configured to change power radiated through the conductive coil, monitor a frequency of a signal and/or electromagnetic waves radiated through the conductive coil, and adjust a level of a voltage from the voltage source based on at least a part of a monitored result of the frequency.

Abstract: The present invention relates to a method for preparing a polarizer protecting film. More specifically, the present invention relates to a method for preparing a polarizer protecting film capable of exhibiting excellent physical and optical properties and of preventing damages of a lower polarizer plate caused by a prism sheet.

Abstract: The present invention relates to an acryl-based film that includes a first primer layer including a water-dispersible polyurethane resin formed on one surface, and a second primer layer including at least one or more types of a water-dispersible polyester-based resin, a water-dispersible acryl-based resin and a water-dispersible polyester acryl-based resin formed on the opposite surface, and a polarizing plate including the same.

Abstract: A cordless charging apparatus includes a housing, a main substrate accommodated in the housing, a coil unit stacked on the main substrate, and a connection member for electrically connecting the coil unit to the main substrate. The connection member includes a connector provided on the main substrate, and a connection substrate provided at the coil unit in order to contact the connector and electrically connect with the coil unit stacked on the main substrate.

Abstract: The present invention relates to an optical film including an acryl-based film; and a functional coating layer formed on at least one surface of the acryl-based film, containing a conductive material and a water-dispersible resin and having surface resistance of 109 W/Sq to 1013 W/Sq.

Abstract: The disclosure relates to an optical characteristic measurement system including at least: a light source unit which outputs an input beam of a specific wavelength; a sensing unit which generates a signal beam by using a sensor whose optical characteristic is affected by an external environment condition; and a measuring unit which derives varied physical amount by using the signal beam delivered from the sensing unit, wherein the measuring unit includes: an optical coupler which distributes the signal beam into the two optical paths; and an interrogation optical fiber which is arranged on one of the paths on which the signal beam travels. The interrogation optical fiber has a linear light absorption characteristic in the specific wavelength range, and the light intensity of the signal beam is measured to detect a wavelength of the signal beam delivered from the sensing unit, and finally derive the physical amount applied from outside.

Abstract: Disclosed are an optical film, including: a transparent film, and a coating layer on at least one surface of the transparent film, in which the coating layer is formed using a composition including a polymer resin, a dihydrazide-based crosslinking agent, and water-dispersible fine particles, and a polarizing plate including the same.

Abstract: An apparatus and method of managing power for a mobile device is disclosed, which can prevent an inflow of overcurrent to the device when the device is charged. The apparatus includes a state judgment unit to judge whether a battery of the mobile device is being charged, a voltage level detection unit to detect a voltage level of the battery if the battery is judged as being charged, and a control unit to control a driving of the mobile device in accordance with the detected voltage level.

Abstract: The present invention relates to a protective film including: a transparent film, a coating layer formed on one surface of the transparent film, and a primer layer formed on the other surface of the transparent film, wherein the coating layer is formed using a coating composition including a first polymer resin, a first cross-linking agent and first water dispersible particles, and the primer layer is formed using a primer composition including a second polymer resin and second water dispersible particles, as well as including a second cross-linking agent in an amount, including 0% by weight, and lower than that of the first cross-linking agent, and a polarizing plate including the same.

Abstract: The present disclosure relates to a polarizing plate including: a polarizer; an acrylic film attached to at least one surface of the polarizer via an adhesive layer; and a primer layer formed on at least one surface of the acrylic film, wherein the primer layer is formed of a primer composition including a water dispersible resin containing a sulfonic acid group, water dispersible particles, and water, and a weight ratio of the water dispersible resin to the water dispersible particles is in a range of 1:0.01 to 5:1.

Abstract: The present invention relates to an acryl-based film that includes a first primer layer including a water-dispersible polyurethane resin formed on one surface, and a second primer layer including at least one or more types of a water-dispersible polyester-based resin, a water-dispersible acryl-based resin and a water-dispersible polyester acryl-based resin formed on the opposite surface, and a polarizing plate including the same.

Abstract: The present invention relates to an optical film including: a base material film; and a primer layer containing a polyester resin and water-dispersible minute particulates on at least one surface of the base material film and having a refractive index difference of 0.03 or less from the base material film, in which the polyester resin includes polyester glycol formed by a reaction of polybasic acid including an aromatic carboxylic acid compound and an aliphatic carboxylic acid compound at a mole ratio of 1:9 to 9:1 and polyol, adhesion force between the optical film and a functional coating layer is excellent, and a rainbow phenomenon is reduced and an optical property is excellent due to a small refractive index difference.

Abstract: The present invention relates to an optical film including an acryl-based film; and a functional coating layer formed on at least one surface of the acryl-based film, containing a conductive material and a water-dispersible resin and having surface resistance of 109 W/Sq to 1019 W/Sq.

Abstract: The present disclosure relates to a polarizing plate including: a polarizer; an acrylic film attached to at least one surface of the polarizer via an adhesive layer; and a primer layer formed on at least one surface of the acrylic film, wherein the primer layer is formed of a primer composition including a water dispersible resin containing a sulfonic acid group, water dispersible particles, and water, and a weight ratio of the water dispersible resin to the water dispersible particles is in a range of 1:0.01 to 5:1.

Abstract: There is provided a polyester-based primer composition including 100 parts by weight of a polyester resin, 1 to 20 parts by weight of water-dispersible particles, and water as a remainder. Since a polyester-based primer composition of the present disclosure is excellent in water resistance and solvent resistance differently from a urethane primer composition, the polyester-based primer composition may obtain sufficient adhesive strength between a protection film and a functional coating layer even without assistance from additives such as a cross-linking agent, and may retain stable adhesive strength for a long period of time.

Abstract: The present invention relates to a protective film including: a transparent film, a coating layer formed on one surface of the transparent film, and a primer layer formed on the other surface of the transparent film, wherein the coating layer is formed using a coating composition including a first polymer resin, a first cross-linking agent and first water dispersible particles, and the primer layer is formed using a primer composition including a second polymer resin and second water dispersible particles, as well as including a second cross-linking agent in an amount, including 0% by weight, and lower than that of the first cross-linking agent, and a polarizing plate including the same.