Abstract: An operation method for an instant messenger server is provided. The method includes generating a schedule which depends on an account of a host in response to a schedule generation request of the host, determining invitees based on at least one of a chat room list and a friend list of the account of the host, synchronizing schedules which depend on accounts of users who participate in the schedule, based on whether at least one guest included in the invitees participates, and providing a notification of the schedule to at least one of the users who participate in the schedule, through a user interface (UI) of a chat room provided through the instant messaging service.

Abstract: An antenna device includes a ground member including a plane part and a plurality of extension parts extending from one end of the plane part in a first direction and arranged along a second direction, a plurality of patch-type radiators arranged on the plane part along the second direction and configured to radiate vertical polarization, and a plurality of straight radiators spaced apart from the ground member, respectively arranged to be adjacent to the plurality of extension parts, extending in the first direction, and configured to radiate horizontal polarization.

Abstract: According to various embodiments of the present invention, disclosed is an electronic device comprising: a housing that comprises a front surface, a back surface opposite the front surface, and side surfaces surrounding a space between the front surface and the back surface and made of a metal material; at least one antenna array disposed within the housing so as to radiate a millimeter wave signal toward the inside of the electronic device; a wireless communication circuit electrically connected to the at least one antenna array and configured to communicate by using the millimeter wave signal; and a reflecting member arranged such that the millimeter wave signal radiated from the at least one antenna array is reflected toward the outside of the electronic device. In addition, various embodiments known from the specification are possible.

Abstract: An electronic device is provided. The electronic device includes a housing, a wireless communication circuit, a first antenna radiator electrically connected with a first ground, a second antenna radiator electrically connected with a second ground, a feeding unit that feeds at least one of the first antenna radiator or the second antenna radiator, and a first switch that operates at a first connection state where the feeding unit and the first antenna radiator are electrically connected to each other, at a second connection state where the feeding unit and the second antenna are electrically connected to each other, or at a third connection state where the feeding unit and the first antenna radiator are connected to each other and the feeding unit and the second antenna radiator are electrically connected to each other, based on a first control signal from the wireless communication circuit.

Abstract: An electronic device including an antenna is provided. The electronic device includes a ground plane, an antenna element that is electrically connected to the ground plane through a first electrical path, a receptacle that accommodates an external connector that is electrically connected to the ground plane and comprises a conductive line, and a control circuit that is configured to: detect whether the external connector is inserted into the receptacle, and change the first electrical path to a second electrical path or add the second electrical path to the first electrical path between the antenna element and the ground plane, when the external connector is inserted into the receptacle.

Abstract: The present disclosure is directed to a liquid crystal display device including a display panel including a red pixel, a green pixel, and a blue pixel; and a backlight unit which emits light to the display panel. The backlight unit includes a light source which outputs a first color light; a color conversion layer which is configured to convert the first color light into a second color light; an optical sheet which diffuses or condenses the second color light; and an air gap formed between the color conversion layer and the optical sheet.

Abstract: An antenna device includes a ground member including a plane part and a plurality of extension parts extending from one end of the plane part in a first direction and arranged along a second direction, a plurality of patch-type radiators arranged on the plane part along the second direction and configured to radiate vertical polarization, and a plurality of straight radiators spaced apart from the ground member, respectively arranged to be adjacent to the plurality of extension parts, extending in the first direction, and configured to radiate horizontal polarization.

Abstract: An operation method for an instant messenger server is provided. The method includes generating a schedule which depends on an account of a host in response to a schedule generation request of the host, determining invitees based on at least one of a chat room list and a friend list of the account of the host, synchronizing schedules which depend on accounts of users who participate in the schedule, based on whether at least one guest included in the invitees participates, and providing a notification of the schedule to at least one of the users who participate in the schedule, through a user interface (UI) of a chat room provided through the instant messaging service.

Abstract: According to the present disclosure, a thickness of a liquid crystal display (LCD) device may be minimized by directly attaching a liquid crystal panel to a guide panel and a light guide plate made of glass through a foam pad, and thus a thin LCD device may be effectively provided. In addition, light leakage between the liquid crystal panel and the guide panel may be prevented through the foam pad including a first layer, which is a light reflecting layer, and a second layer, which is a light absorbing layer, and, at the same time, a dark portion phenomenon generated at edges of the LCD device may be effectively prevented.

Abstract: An antenna device includes a ground member including a plane part and a plurality of extension parts extending from one end of the plane part in a first direction and arranged along a second direction, a plurality of patch-type radiators arranged on the plane part along the second direction and configured to radiate vertical polarization, and a plurality of straight radiators spaced apart from the ground member, respectively arranged to be adjacent to the plurality of extension parts, extending in the first direction, and configured to radiate horizontal polarization.

Abstract: A mobile terminal is provided. The mobile terminal includes a voice receiving module configured to receive the voice of a user through a first application and to generate first voice data for the voice received through the first application, a control module configured to transmit the first voice data and user information corresponding to the first voice data to a service server and to request the service server to register the first voice data and the user information, and a communication module configured to transmit, to the service server, a request for the user information corresponding to the voice of the user received through a second application when the voice of the user is received through the second application.

Abstract: The present disclosure is directed to a liquid crystal display device including a display panel having a red pixel, a green pixel, and a blue pixel; and a backlight unit which emits light to the display panel. The backlight unit includes a light source which outputs a first color light; a color conversion layer which is disposed on the light source and converts the first color light into a second color light; an optical sheet which diffuses or condenses the second color light; and an air gap formed between the color conversion layer and the optical sheet.

Abstract: Disclosed is an electronic device. The electronic device according to an embodiment includes an antenna element including at least a portion of a housing of the electronic device and configured to resonate in a first frequency band, a conductive plate electrically connected with the antenna element, positioned within the housing, and configured to resonate in the first frequency band or in a second frequency band higher than the first frequency band, a filter circuit electrically connected with the conductive plate and having a pass band in the second frequency band, and a conductive member electrically connected with the conductive plate through the filter circuit and configured to resonate in the second frequency band. Moreover, various embodiment found through the disclosure are possible.

Abstract: Provided are a viewer-side polarizing plate for a liquid crystal display device, and a liquid crystal display device comprising the same, the polarizing plate comprising a polarizer and a protective film formed on a light exit surface of the polarizer, wherein the protective film includes a first primer layer, a protective film substrate, a second primer layer, and a coating layer, which are sequentially laminated on the polarizer, a first protective film satisfies a relation of Equation 1, and the protective film substrate has an in-plane phase difference of 500 nm or less at a wavelength of 550 nm in Equation 2.

Abstract: An electronic device is provided. The electronic device includes a housing, a wireless communication circuit, a first antenna radiator electrically connected with a first ground, a second antenna radiator electrically connected with a second ground, a feeding unit that feeds at least one of the first antenna radiator or the second antenna radiator, and a first switch that operates at a first connection state where the feeding unit and the first antenna radiator are electrically connected to each other, at a second connection state where the feeding unit and the second antenna are electrically connected to each other, or at a third connection state where the feeding unit and the first antenna radiator are connected to each other and the feeding unit and the second antenna radiator are electrically connected to each other, based on a first control signal from the wireless communication circuit.

Abstract: An electronic device includes a housing that includes a first plate, a second plate facing a direction opposite the first plate, and a side member surrounding a space between the first plate and the second plate, an antenna structure that includes a plurality of dielectric layers perpendicular to the side member and parallel to the first plate, a first array of conductive plates aligned in a first direction perpendicular to the first plate at a first dielectric layer of the dielectric layers, a second array of conductive plates spaced from the first array and aligned in the first direction at the first dielectric layer, wherein the second array is farther from the first plate than the first array, at least one ground plane positioned on at least one of the dielectric layers and interposed between the first array and the second array, when viewed from above the side member, and a wireless communication circuit electrically connected to the first array and the second array and configured to transmit and/or rece

Abstract: An electronic device is provided. The electronic device includes a first antenna configured to transmit and receive signals of a plurality of frequency bands, and a second antenna disposed at an area adjacent to the first antenna. The first antenna includes a first wireless communication circuit, a first radiator, a first feeding part configured to connect the first wireless communication circuit to the first radiator, a first ground part configured to be connected to one end of the first radiator, a switching circuit configured to be connected to the first radiator in an area adjacent to the second antenna, at least one frequency band element in which a first end is connected to the switching circuit and a second end is connected to the first ground part, and at least one isolation element configured to connect the first radiator to the ground part in the area adjacent to the second antenna.

Abstract: An electronic device is provided. The electronic device includes a housing including a first plate, a second plate facing the first plate and spaced from the first plate, and a side member surrounding a space between the first plate and the second plate, wherein the second plate includes a nonconductive material, at least one antenna element positioned within the space and positioned on a substrate parallel to the second plate, wherein the at least one antenna element is spaced from the second plate by a gap h, and a wireless communication circuit electrically connected to the antenna element and configured to transmit and/or receive a signal with a frequency between 20 GHz and 100 GHz and a wavelength corresponding to the frequency, wherein the gap h corresponds to n?/2, wherein n is an integer and ? is the wavelength.

Abstract: An electronic device includes a first conductive plate, a second conductive plate that is spaced from the first conductive plate and is disposed parallel to the first conductive plate, a conductive element that is disposed in a space between the first conductive plate and the second conductive plate, a wireless communication circuit that is electrically connected with the first conductive plate and the conductive element, and a printed circuit board that is coupled with at least one side of the first conductive plate, at least one side of the second conductive plate, and one end of the conductive element. The wireless communication circuit is configured to transmit/receive a first radio frequency (RF) signal having a vertical polarization characteristic using the first conductive plate and the second conductive plate and to transmit/receive a second RF signal having a horizontal polarization characteristic using the conductive element.

Abstract: An electronic device is provided. The electronic device includes a housing, a wireless communication circuit, a first antenna radiator electrically connected with a first ground, a second antenna radiator electrically connected with a second ground, a feeding unit that feeds at least one of the first antenna radiator or the second antenna radiator, and a first switch that operates at a first connection state where the feeding unit and the first antenna radiator are electrically connected to each other, at a second connection state where the feeding unit and the second antenna are electrically connected to each other, or at a third connection state where the feeding unit and the first antenna radiator are connected to each other and the feeding unit and the second antenna radiator are electrically connected to each other, based on a first control signal from the wireless communication circuit.