Abstract: Provided is a method performed by at least one processor, including: obtaining a content search term, the content search term including a first plurality of search keywords; performing a search for a plurality of contents using the first plurality of search keywords; extracting, based on no result of the search, a second plurality of search keywords from the first plurality of search keywords, wherein the second plurality of search keywords exclude keywords that are not included in a first keyword set, and the first keyword set includes keywords extracted from the plurality of contents; and performing a search for the plurality of contents using the second plurality of search keywords.

Abstract: A light emitting element includes: a light emitting stack pattern including a first semiconductor layer, an active layer, and a second semiconductor layer that are sequentially stacked along one direction; and an insulating film surrounding an outer surface of at least one of the first semiconductor layer, the active layer, and the second semiconductor layer. The insulating film including a zinc oxide (ZnO) thin film layer.

Abstract: A display device includes a light emitting diode electrically connected between a driving voltage line and a common voltage line; a driving transistor electrically connected between the driving voltage line and the light emitting diode; a second transistor electrically connected between a first electrode of the driving transistor electrically connected to the driving voltage line and a data line; a first scan line electrically connected to a gate electrode of the second transistor; a third transistor electrically connected between a second electrode of the driving transistor electrically connected to the light emitting diode and a gate electrode of the driving transistor; and a connection electrode that connects the gate electrode of the driving transistor and the third transistor, wherein at least a part of a contact portion where the connection electrode contacts the third transistor does not overlap the first scan line.

Abstract: A method for manufacturing a semiconductor device, including forming a step key on a substrate, forming a mold layer on the step key covering the step key, forming a first mask layer on the mold layer, forming a transparent layer in the first mask layer overlapping the step key, forming a second mask layer on the first mask layer and the transparent layer, etching the mold layer using the second mask layer, wherein the first mask layer includes a metal material.

Abstract: A light-emitting element includes a first semiconductor layer doped to have a first polarity, a second semiconductor layer doped to have a second polarity different from the first polarity, a light-emitting layer disposed between the first and second semiconductor layers, a shell layer formed on side surfaces of the first semiconductor layer, the light-emitting layer, and the second semiconductor layer, the shell layer including a divalent metal element, and an insulating film covering an outer surface of the shell layer and surrounding the side surface of the light-emitting layer.

Abstract: Provided is a novel compound capable of improving the luminous efficiency, stability and life span of a device, an organic electric element using the same, and an electronic device thereof.

Abstract: A lithium secondary battery which includes an electrode assembly in which a positive electrode plate, a negative electrode plate, and a separator interposed between the positive electrode plate and the negative electrode plate are wound in one direction, a battery can in which the electrode assembly is accommodated, and a sealing body which seals an open end of the battery can. The positive electrode plate includes a positive electrode active material layer that includes a positive electrode active material, a conductive material, and a binder. The positive electrode active material may include a lithium nickel-containing oxide that has at least one of single particles or quasi-single particles, and the conductive material includes a combination of single-walled carbon nanotubes and bundle-type carbon nanotubes.

Abstract: A display device according to one or more embodiments of the disclosure includes a pixel circuit layer including a base layer and circuit elements on the base layer; and a display layer on the pixel circuit layer. The display layer includes a first electrode on the pixel circuit layer; an insulating layer on the first electrode; a second electrode on the insulating layer; a light emitting stacked structure on the second electrode and including a first insulating layer, a second insulating layer, and a light emitting layer between the first insulating layer and the second insulating layer; and a third electrode on the light emitting stacked structure. The light emitting layer includes a two-dimensional material, is separated from the second electrode by the first insulating layer, and is separated from the third electrode by the second insulating layer.

Abstract: A display device includes a light emitting diode electrically connected between a driving voltage line and a common voltage line; a driving transistor electrically connected between the driving voltage line and the light emitting diode; a second transistor electrically connected between a first electrode of the driving transistor electrically connected to the driving voltage line and a data line; a first scan line electrically connected to a gate electrode of the second transistor; a third transistor electrically connected between a second electrode of the driving transistor electrically connected to the light emitting diode and a gate electrode of the driving transistor; and a connection electrode that connects the gate electrode of the driving transistor and the third transistor, wherein at least a part of a contact portion where the connection electrode contacts the third transistor does not overlap the first scan line.

Abstract: The present disclosure provides a method of treating waste plastic pyrolysis oil. The method includes a first step of washing waste plastic pyrolysis oil with water and then removing moisture; a second step of mixing the waste plastic pyrolysis oil from which the moisture is removed and a sulfur source to prepare a mixed oil; a third step of hydrotreating the mixed oil with hydrogen gas in the presence of a hydrotreating catalyst; a fourth step of separating the hydrotreated mixed oil into a liquid stream and a gas stream to obtain liquid pyrolysis oil; and a fifth step of recovering hydrogen gas from the separated gas stream and recycling the recovered hydrogen gas to the third step.

Abstract: The present disclosure provides a method of treating waste plastic pyrolysis oil. The method includes a first step of washing waste plastic pyrolysis oil with water and then removing moisture; a second step of mixing the waste plastic pyrolysis oil from which the moisture is removed and a sulfur source to prepare a mixed oil; a third step of hydrotreating the mixed oil with hydrogen gas in the presence of a hydrotreating catalyst; a fourth step of separating the hydrotreated mixed oil into a liquid stream and a gas stream to obtain liquid pyrolysis oil; and a fifth step of recovering hydrogen gas from the separated gas stream and recycling the recovered hydrogen gas to the third step.

Abstract: Disclosed is a semiconductor package comprising a redistribution substrate and a semiconductor chip on the redistribution substrate. The redistribution substrate includes a plurality of first conductive patterns including a pair of first signal patterns that are adjacent to each other, and a plurality of second conductive patterns on surfaces of the first conductive patterns and coupled to the first conductive patterns. The second conductive patterns include a ground pattern insulated from the pair of first signal patterns. The ground pattern has an opening that penetrates the ground pattern. When viewed in plan, the pair of first signal patterns overlap the opening.

Abstract: A three-dimensional space scanner including a light transmitter and a light receiver, to perform two-dimensional scanning is provided. The three-dimensional scanner includes a hand-shake sensor configured to detect hand-shake sensing information corresponding to hand-shake, during a scanning operation using the light transmitter; and a control circuit configured to control hand-shake compensation for the three-dimensional space scanner based on the hand-shake sensing information.

Abstract: An electronic device package includes a package substrate, an interposer located above the package substrate and electrically connected to the package substrate, a processing device located above the interposer and electrically connected to the interposer, at least one high bandwidth memory device located above the interposer and electrically connected to the interposer and the processing device, a power management integrated circuit device located above the interposer and electrically connected to the interposer and the processing device, and a passive device located on or inside the interposer and electrically connected to the power management integrated circuit device.

Abstract: Provided is a method of desalting crude oil capable of effectively removing metal impurities in the crude oil and a rag layer which is formed in a crude oil desalting process.

Abstract: An embodiment of the present invention comprises a touch screen display, a communication circuit, a microphone, a speaker, a processor, and a memory. Wherein: the memory stores a first application program that includes a first user interface, and an intelligent application program that includes a second user interface; and the memory can cause the processor to display the first user interface at the time of execution and to receive a first user input for displaying the second user interface while displaying the first user interface.

Abstract: A method of operating a service server is disclosed. One embodiment comprises the steps of: receiving, from a payment application server, identification information obtained by a buyer's terminal and dynamic code information created by a request of the buyer's terminal; determining whether or not the obtained identification information is valid; on the basis of the determining result, mapping the obtained identification information to the dynamic code information; and transmitting the mapping information created on the basis of the mapping to the payment application server.

Abstract: An operating method of a service server is disclosed.

Abstract: Provided is a method of desalting crude oil capable of effectively removing metal impurities in the crude oil and a rag layer which is formed in a crude oil desalting process.

Abstract: An embodiment of the present invention comprises a touch screen display, a communication circuit, a microphone, a speaker, a processor, and a memory. Wherein: the memory stores a first application program that includes a first user interface, and an intelligent application program that includes a second user interface; and the memory can cause the processor to display the first user interface at the time of execution and to receive a first user input for displaying the second user interface while displaying the first user interface.