Abstract: The present disclosure relates to an organic light emitting device.

Abstract: The present specification relates to a fluorene-based compound of Formula 1, a coating composition comprising the fluorene-based compound of Formula 1, an organic light emitting device using the same, and a manufacturing method thereof.

Abstract: Provided is a method by which a cross chatbot gateway allows an event to be shared between chatbotsu, and the method includes the steps of: receiving an event message from a first chatbot communicating with a first chatting server using a first chatting protocol, wherein the event message includes destination information and event information of a first user, who is a chatting counterpart of the first chatbot; and transmitting the event information to a second chatbot communicating with a second chatting server using a second chatting protocol, on the basis of the destination information.

Abstract: The present disclosure provides a novel polymer compound prepared by curing a compound represented by the following Chemical Formula 1 and a compound represented by the following Chemical Formula 4, and an organic light emitting device comprising the same: with each variable being defined therein.

Abstract: The present specification relates to a fluorene-based compound of Formula 1, a coating composition comprising the fluorene-based compound of Formula 1, an organic light emitting device using the same, and a manufacturing method thereof.

Abstract: A digital content delivery tracking method performed by a central server includes generating a transfer chain for first digital content in a database of the central server, wherein the generating is performed by a transfer chain manager; authenticating a first user, wherein the authenticating is performed by a user authenticator; and generating a first ownership transfer node in the transfer chain, generating a first ownership indicator indicating the first digital content, recording the first ownership indicator in the first ownership transfer node, and recording an identifier of the first user in the first ownership transfer node, which are performed by the transfer chain manager.

Abstract: A coating composition, an organic light emitting device using the same, and a method for manufacturing the same are disclosed herein. In some embodiments, a coating composition including a compound represented by Formula 1 and a compound represented by Formula 2. In some embodiments, an organic light emitting device includes a first electrode, a second electrode, and an organic material layer having one or more layers provided between the first electrode and the second electrode, wherein the one or more layers comprise the coating composition or a cured product thereof.

Abstract: The present disclosure relates to an ionic compound, and a coating composition and an organic light emitting device including the same.

Abstract: The present specification relates to a fluorene-based compound of Formula 1, a coating composition comprising the fluorene-based compound of Formula 1, an organic light emitting device using the same, and a manufacturing method thereof.

Abstract: The present disclosure relates to an ionic compound including an anion group of Chemical Formula 1, and a coating composition and an organic light emitting device including the same.

Abstract: The present disclosure relates to an organic light emitting device.

Abstract: The present disclosure relates to a coating composition and an organic light emitting device.

Abstract: The present specification relates to a fluorene-based compound of Formula 1, a coating composition comprising the fluorene-based compound of Formula 1, an organic light emitting device using the same, and a manufacturing method thereof.

Abstract: A method for providing a digital product according to the present invention comprises the steps of: receiving a request to provide a digital product of a digital product providing server from a terminal of a user; obtaining a login server user identifier of the user for a unique application identifier by logging in to a login server using the unique application identifier; storing digital product providing information in a database in association with the login server user identifier on the basis of the request to provide the digital product of the digital product providing server; and transmitting the digital product providing information to the digital product providing server in association with the login server user identifier, thereby being able to conveniently provide the digital product by synchronizing a user account.

Abstract: A fingerprint identification apparatus includes an illuminating member, a light conducting panel and a light concentration lens formed into a single body for easily assembling and preventing noise produced by the light conducting panel. Also, an ultra-luminance chip coated with a diffuser compound, and a rheostat installed to identify a fingerprint image formed by an imaging lens accurately and clearly enhances the reliability of the fingerprint identification apparatus.

Abstract: An optical apparatus for a fingerprint identification system having a multi-LED for emitting a light, a prism having a slant surface to which a fingerprint being identified is contacted and in which the incident light is absorbed at each ridge but reflected at each valley of the fingerprint, a cover glass functioning as a partial reflecting glass adapted to partially relfect the beam representing a fingerprint image reflected from the prism, a target adapted for focusing a virtual image of the fingerprint thereon, a magnifying glass for magnifying the fingerprint image partially reflected by the cover glass, thereby allowing the user to easily see the fingerprint image, a producing lens for producing the fingerprint image transmitted through the cover glass, and a CCD camera module for converting the fingerprint image produced by the producing lens into an electric signal.