Abstract: Provided are an instant messaging server providing a plurality of types of chat rooms, and a method of operating the instant messaging server. The method includes storing chat data transmitted and received in a first type chat room in a shared drive corresponding to an administrator with a first type account having an authority to manage the chat room, receiving, from a participant participating in a chat room, a request for previous chat data transmitted and received in the chat room before the participant started participating, and providing the previous chat data stored in the shared drive to the participant based on an access authority of the shared drive set in response to a chat room type.

Abstract: A display apparatus includes a base substrate on which a display area and a non-display area are defined, a first via insulating layer on the base substrate, a first power supply wire in the non-display area on the first via insulating layer, a second power supply wire in the non-display area on the first via insulating layer spaced apart from the first power supply wire, a first dam on the base substrate, overlapping the first and second power supply wires, and extending along the non-display area, a first stacked structure on the first via insulating layer between the first dam and the display area, and having a height less than a height of the first dam, and an organic layer on the first stacked structure and the first dam to overlap a substantially entire portion of the first stacked structure and at least a portion of the first dam.

Abstract: A display device includes a substrate having a display area and a non-display area, a pixel electrode, an organic emissive layer, a common electrode, a first inorganic encapsulation layer, an organic encapsulation layer, a second inorganic encapsulation layer, a dam, a bank disposed closer to a peripheral edge of the substrate than the dam, an inorganic encapsulation area, wherein the first inorganic encapsulation layer contacts the second inorganic encapsulation layer in the inorganic encapsulation area, and a first voltage supply line in a bank area where the bank is disposed, and in the inorganic encapsulation area. The first voltage supply line includes a plurality of anti-moisture patterns protruding from one side of the first subsidiary voltage supply line and having at least one of a length and a width in the inorganic encapsulation area respectively different from those of the plurality of anti-moisture patterns in the bank area.

Abstract: Provided are an instant messaging server providing a plurality of types of chat rooms, and a method of operating the instant messaging server. The method includes storing chat data transmitted and received in a first type chat room in a shared drive corresponding to an administrator with a first type account having an authority to manage the chat room, receiving, from a participant participating in a chat room, a request for previous chat data transmitted and received in the chat room before the participant started participating, and providing the previous chat data stored in the shared drive to the participant based on an access authority of the shared drive set in response to a chat room type.

Abstract: A method and an apparatus for a messaging service are disclosed. A method of operating a search server interlinked with a messaging service includes receiving an immediate sharing request of a search result for a search term, obtaining identification information of a search result page corresponding to the search term, obtaining rendering information of the search result page corresponding to the identification information, and generating the rendering information of the search result page as a message transmitted through the chat interface.

Abstract: A method and apparatus for a messaging service are provided. An operating method of a terminal on which an application for a messaging service is installed includes switching an input mode of a chat interface to an assistant mode to call an assistant function, receiving a call for the assistant function, and displaying an assistant interface corresponding to the called assistant function.

Abstract: A method and an apparatus for a messaging service are disclosed. A method of operating a server that provides a reserved message function interlinked with an app for a messaging service includes identifying a reserved message scheduled to be sent, determining whether a chat room corresponding to a destination of sending the identified reserved message is valid, and sending the identified reserved message through the chat room.

Abstract: A method and apparatus for a messaging service are provided. An operating method of a server providing an assistant function linked with an application for a messaging service includes monitoring an execution of the application of a terminal logging in with a user account subscribing to the messaging service, determining whether a briefing execution condition for the assistant function is satisfied based on a result of the monitoring, identifying briefing targets from records generated based on an execution of the assistant function of the terminal based on a result of the determining, and transmitting a briefing message to notify the number of the identified briefing targets to the terminal.

Abstract: A polyethylene glycol derivative compound is represented by Formula 1 described in the detailed description. In Formula 1, n is a natural number of 30 to 115, and R1 and R2 are C1 to C5 alkyl that are identical to or different from each other.

Abstract: The present disclosure proposes an apparatus for determining an intestinal microbiome index. The apparatus according to the present disclosure may: obtain test information about a biological sample of a subject from a test apparatus; determine, based on the test information, first information about the similarity of intestinal microflora, second information about a proportion of harmful intestinal microflora, third information about a proportion of beneficial intestinal microflora, and/or fourth information about the diversity of intestinal microflora; and determine an intestinal microbiome index indicating a state of intestinal microbiome of the subject based on the determined information.

Abstract: A display device includes a substrate that includes a display area and a peripheral area, a transistor in the display area, a pixel electrode connected to the transistor, a common electrode that overlaps the pixel electrode, and an organic insulation layer that is between the common electrode and the substrate, and overlaps at least a part of the peripheral area, wherein a thickness of a portion of the organic insulation layer overlapping the display area, and a thickness of a portion of the organic insulation layer overlapping the peripheral area, are different from each other, and the organic insulation layer includes a valley that penetrates the organic insulation layer, while overlapping the peripheral area.

Abstract: A display device includes a display area and a non-display area which is adjacent to the display area, a pad in the non-display area and connected to the display area, and an insulating layer on the pad. A portion of the pad is exposed outside of the insulating layer to define an exposed portion of the pad, the insulating layer includes a first portion having a first thickness and a second portion having a second thickness which is less than the first thickness, and the second portion of the insulating layer is between the exposed portion of the pad and the first portion of the insulating layer.

Abstract: A display device includes a substrate that includes a display area and a peripheral area, a transistor in the display area, a pixel electrode connected to the transistor, a common electrode that overlaps the pixel electrode, and an organic insulation layer that is between the common electrode and the substrate, and overlaps at least a part of the peripheral area, wherein a thickness of a portion of the organic insulation layer overlapping the display area, and a thickness of a portion of the organic insulation layer overlapping the peripheral area, are different from each other, and the organic insulation layer includes a valley that penetrates the organic insulation layer, while overlapping the peripheral area.

Abstract: A display device includes a substrate, one or more scan stages disposed on the substrate, a first conductive layer disposed on the substrate, and scan control lines electrically connected to each of the one or more scan stages, a first organic insulating layer disposed on the first conductive layer, and a second organic insulating layer disposed on the first organic insulating layer. The first organic insulating layer and the second organic insulating layer overlap the scan control lines.

Abstract: A display device is disclosed that includes a substrate including a display area and a non-display area, touch electrodes disposed in the display area, touch lines disposed in the non-display area and connected to the touch electrodes, a first power supply line disposed in the non-display area and having a first power supply voltage applied thereto, and a second power supply line disposed in the non-display area and having a second power supply voltage applied thereto, the second power supply voltage being higher than the first power supply voltage. Any one of the touch lines overlaps at least one of the first power supply line and the second power supply line. The first power supply line overlaps the second power supply line.

Abstract: A display device includes a substrate, a pixel, an encapsulation film, a sensing electrode, a pad, a connection wire, and an extension pattern. The substrate include a display area, a non-display area outside the display area, an additional area at a side of the non-display area, and a bending area defined in at least a portion of the additional area. The pixel is on the display area. The encapsulation film is on the pixel. The sensing electrode is on the encapsulation film. The pad is on the additional area. The connection wire is on the non-display area and is directly connected to the sensing electrode. The extension pattern directly connects the pad and the connection wire to each other. The extension pattern traverses the bending area.

Abstract: A method and system for detecting a collision by an autonomous robot based on a multi-sensor long short-term memory (LSTM) are disclosed. The method includes generating an input of an LSTM model by combining an input image received from an autonomous robot, light detection and ranging (LiDAR) distance information, and acceleration information, learning a collision alert situation by inputting the input to the LSTM model, and determining a collision situation using an output of the LSTM model and a fully connected neural network (FNN) model.

Abstract: A display device includes a substrate having a display area and a non-display area, a pixel electrode, an organic emissive layer, a common electrode, a first inorganic encapsulation layer, an organic encapsulation layer, a second inorganic encapsulation layer, a dam, a bank disposed closer to a peripheral edge of the substrate than the dam, an inorganic encapsulation area, wherein the first inorganic encapsulation layer contacts the second inorganic encapsulation layer in the inorganic encapsulation area, and a first voltage supply line in a bank area where the bank is disposed, and in the inorganic encapsulation area. The first voltage supply line includes a plurality of anti-moisture patterns protruding from one side of the first subsidiary voltage supply line and having at least one of a length and a width in the inorganic encapsulation area respectively different from those of the plurality of anti-moisture patterns in the bank area.

Abstract: Provided are an instant messaging server providing a plurality of types of chat rooms, and a method of operating the instant messaging server. The method includes storing chat data transmitted and received in a first type chat room in a shared drive corresponding to an administrator with a first type account having an authority to manage the chat room, receiving, from a participant participating in a chat room, a request for previous chat data transmitted and received in the chat room before the participant started participating, and providing the previous chat data stored in the shared drive to the participant based on an access authority of the shared drive set in response to a chat room type.

Abstract: A display device includes a substrate; an emission layer disposed on the substrate, and including emission areas and a pixel defining layer disposed between the emission areas and including a light blocking material; an encapsulation layer disposed on the emission layer, and including a first inorganic encapsulation film, an organic encapsulation film on the first inorganic encapsulation film, and a second inorganic encapsulation film on the organic encapsulation film; a dam surrounding the organic encapsulation film, comprising an organic material, and including a plurality of sub-dams; and a bank disposed to surround at least a portion of the dam, and including a first bank layer, a second bank layer on the first bank layer, a third bank layer on the second bank layer, and a fourth bank layer on the third bank layer, wherein the third bank layer includes the light blocking material.