Abstract: A display device includes a first substrate on which a plurality of light-emitting elements are disposed; an optical film including an upper surface, a side surface and a lower surface, and disposed on one surface of the first substrate and; a second substrate bonded to another surface of the first substrate; a side surface line electrically connecting the first substrate and the second substrate with each other; a side surface sealing member covering the side surface line; and a conductive protective film covering the side surface sealing member and the optical film.

Abstract: Provided is a chatbot service providing method and a system, to which the method is applied. The chatbot service providing method according to an example embodiment includes obtaining a plurality of contents for a chatbot service, generating grouping information for the plurality of contents by grouping the plurality of contents based on a similarity between contents, generating index information for the plurality of contents, and providing the chatbot service using the grouping information and the index information.

Abstract: Methods and apparatuses for controlling a legacy system based on a chatbot service, performed in a computing system are provided. The method may comprise receiving legacy system selection information indicating that a first legacy system is selected as a control target legacy system, from a user terminal through a chatbot service, receiving control details for the first legacy system from the user terminal through the chatbot service, transmitting information on the control details to a manager terminal, and transmitting an execution request of the control details to the first legacy system only when an approval signal is received from the manager terminal and receiving an execution result of the control details from the first legacy system, and outputting a chatbot message of the execution result through the chatbot service.