Abstract: Provided are a compound capable of improving the light-emitting efficiency, stability, and lifespan of an element; an organic electronic element using same; and an electronic device thereof.

Abstract: The present disclosure provides an organic compound, an organic electroluminescent device and an electronic apparatus including the same, and belongs to the field of organic electroluminescence. The organic compound of the present disclosure has a structure represented by a formula 1, and when the organic compound is applied to an organic electroluminescent device, the performance of the organic electroluminescent device can be significantly improved.

Abstract: Provided is a maleimide resin with superior solution stability. Also provided is a cured product with a superior dielectric characteristic that is obtained by curing a curable resin composition in which said maleimide resin is used. The maleimide resin expressed in formula (1), wherein the N,N?-(phenylene-di-(2,2,-propylidene)-di-p-phenylene) bismaleimide content is 90 area % or less. (In formula (1), n is the number of repetitions, and 1<n<5.

Abstract: The present disclosure provides a method for preparing a vinyl chloride-based polymer, the method including a step of injecting an ionizable normal salt and polymerizing a vinyl chloride monomer in the presence of one or more emulsifiers and a polymerization initiator, wherein the ionizable normal salt includes a carbonate metal salt or a sulfite metal salt, and the ionizable normal salt is continuously injected in an amount of 70 to 1200 ppm based on the total weight of the vinyl chloride monomer when a polymerization conversion rate is in a range of 0% to 20%. The method capable of preparing a vinyl chloride-based polymer suitable as an eco-friendly material, while not affecting the rate of polymerization reaction and decreasing the generation amount of total volatile organic compounds by controlling the injection time, injection amount and kind of the ionizable normal salt, is provided.

Abstract: An organic light-emitting device having a low driving voltage, high efficiency, and a long lifespan is provided. The device includes a first electrode, a second electrode, and an organic layer between the first electrode and the second electrode, wherein the organic layer includes an emission layer, a first compound, and a second compound. Various chemical structures for the first compound and the second compound are provided.

Abstract: A tire noise testing method, a vehicle and a control device that are efficient in an actual vehicle noise test. The method of the invention is conducted while a vehicle is driven automatically. The method includes a step of operating a control unit when the vehicle reaches a predetermined position or reaches a predetermined speed, for putting the vehicle into coast-traveling with a prime mover of the vehicle in a non-driving state. The method further includes a step of operating a measuring unit for measuring the tire noise of the vehicle during the coast-traveling of the vehicle.

Abstract: Provided is a process that includes: obtaining, using one or more surface tension sensors, one or more surface tension measurements of a surface, determining a reaction force for an aircraft using the one or more surface tension measurements and a weight of the aircraft. The process includes causing one or more engines included in the aircraft to generate thrust based on the reaction force.

Abstract: A drive recorder to be mounted on a vehicle includes an acquisition unit, a recording unit, a communication unit, and a control unit. The acquisition unit acquires data representing driving condition. The recording unit records the acquired data. The communication unit transmits the acquired data to the outside. The control unit controls the quality of the data to be transmitted based on the information received from the outside.

Abstract: A skin compatible component attachable to mammalian skin. The component is formed as a silicone matrix comprising a polyorganosiloxane derived silicone polymer and a moisture control particulate and permeability modifying polymer distributed within the polymer network. The skin compatible component may be utilised as an ostomy wafer or flange to secure an ostomy appliance to the skin and in particular peri-stomal skin.

Abstract: Provide are a compound capable of improving the light-emitting efficiency, stability, and lifespan of an element, an organic electronic element using same, and an electronic device thereof.

Abstract: The present invention provides a novel compound that can improve the luminous efficiency, stability and life span of the element, an organic electronic element using the same, and an electronic device thereof.

Abstract: The present invention provides a display panel and a display device. The display panel includes a transparent substrate and a polyimide (PI) substrate. The PI substrate is placed at one side of the transparent substrate. An uneven structure is provided inside the PI substrate or arranged on one side of the PI substrate facing the transparent substrate.

Abstract: An environment-friendly fire-retardant coating comprises a coating substrate and fire-extinguishing agent microcapsules which can be ruptured and vaporized to a release fire-extinguishing material to achieve the purposes of cooling and/or fire prevention and/or fire extinguishing upon being exposed to a temperature of not less than 75° C. and/or an open flame environment. In order to break the current situation that the traditional fire-prevention, fire-extinguishing and flame-retardant coatings can only prevent the spread of the fire area, but it is difficult to extinguish the fire sensitively and actively in a short time, there are provided a variety of coatings and/or films which can actively cool down, prevent fire and extinguish the fire, have short response time, have stable fire-extinguishing components in the coatings and/or films, with the films being able to trigger the fire extinguishment repeatedly.

Abstract: Provided are a compound capable of improving the light-emitting efficiency, stability, and lifespan of an element; an organic electronic element using same; and an electronic device thereof.

Abstract: A cyclic compound represented by Chemical Formula 1 and an organic light emitting device using the same, the compound used as a material of an organic material layer of the organic light emitting device and providing improved properties of efficiency, driving voltage, and lifetime characteristics of the organic light emitting device.

Abstract: The present disclosure provides a display device and a manufacturing method thereof. The display device includes a display region and a non-display region surrounding the display region. The display region includes a main display region and an auxiliary region surrounding the main display region. The auxiliary region is between the non-display region and the main display region. The non-display region includes a bending region connected to the auxiliary region. The display device includes an array substrate including a plurality of pixels units, first trough holes, and second trough holes in the display region. The first trough holes and the second trough holes are disposed in the auxiliary region. The second trough holes are disposed between two adjacent pixel units. An anode electrode is disposed on the array substrate. The first trough holes are disposed in each the pixel units and directly below the anode electrode.

Abstract: The present disclosure belongs to the technical field of organic materials and relates to an organic compound, and an electronic element and electronic device using the same. The organic compound has the structure represented by the following Formula I. The organic compound of the present disclosure can improve the performance of the electronic element.

Abstract: Disclosed are methods and systems for predicting time varying loudness in a geographic region. Training data, including noise information, weather information, and traffic information is collected from a plurality of sensors located in a plurality of geographic regions. The information is collected during multiple time periods. The noise information includes time varying loudness. Static features of the geographic regions are also defined and included in the training data. The static and time varying dynamic features train a model. The model is used predict time varying loudness within a different region and at a time later than times the training data is collected. The predicted loudness levels are utilized, in some aspects, to determine a route for an aircraft.

Abstract: A compound of the following formula (1) and others. R1 to R24, R31 to R35, A1 and A2 are as defined in the specification, n is an integer of 0 to 3, when A1 is an (n+1)-valent residue of benzene, n is an integer of 1 or more, and when n is 0, (A2)0 is a hydrogen atom.

Abstract: An organic light emitting diode display device includes a substrate, a light emitting region disposed on the substrate, a packaging layer covering the light emitting region, and a protective component. The substrate includes a folded region in a first direction and a non-folded region in a second direction, and the first direction is perpendicular to the second direction. The protective component is disposed in the folded region in the first direction and the unfolded region in the second direction. The protective component reduces cracking at a packaging layer and improves bending durability of the organic light emitting diode display device.