Abstract: An organic electroluminescence device includes a first electrode, a hole transport region on the first electrode, a light-emitting layer on the hole transport region, an electron transport region on the light-emitting layer, and a second electrode on the electron transport region. The hole transport region includes an amine compound represented by Formula 1.

Abstract: A wearable electronic device is provided. The electronic device includes a camera, a communication circuit, a display including a transparent lens and displaying content through the lens, and a processor, wherein the processor may be configured to obtain first information about a first device indicated by a first object through the communication circuit when the first object is selected from among a plurality of objects for controlling devices displayed on an external electronic device, identify a first position for displaying the first information corresponding to the first object as an augmented reality image, based on a gaze direction of a user identified through the camera, determine a property of the augmented reality image, based on a user input, and control the display to display the augmented reality image having the property at the first position.

Abstract: An organic electroluminescence device of an embodiment of the present disclosure includes a first electrode, a second electrode facing the first electrode, and a plurality of organic layers disposed between the first electrode and the second electrode, wherein at least one organic layer of the plurality of organic layers includes an amine compound containing a fluorene group; an aryl group having 6 to 60 ring-forming carbon atoms, which is substituted to the fluorene group; a heteroaryl group having 2 to 60 ring-forming carbon atoms, which is substituted to the fluorene group; and at least one amine group, which is substituted to the fluorene group; wherein all the carbons of the aryl group are substituted with deuterium, and the organic electroluminescence device exhibits high efficiency and a long service life.

Abstract: Disclosed is a cordless vacuum cleaner and control method therefor. The cordless vacuum cleaner comprising: a body; a brush device including a brush motor and a drum to which a rotating brush is attached to suck up dust; and an extension pipe configured to connect the body and the brush device, the extension pipe rotatably combined with the brush device, wherein the body comprising: a suction motor configured to rotate a fan to suck up dust; a processor; and a battery which supplies power to the suction motor; and wherein the battery from among different types of batteries is detachably connected to the body, and the processor is configured to: identify a type of the battery; and control an output of the suction motor, based on the type.

Abstract: A curable composition includes a hygroscopic salt comprising a metal-organic framework comprising a cluster comprising zirconium and a positively charged organic ligand and an anion, to an encapsulation part having excellent anti-moisture and optical properties.

Abstract: The present application relates to a method for preparing transformed yeast producing 1-octen-3-ol, and yeast prepared by the method, and is useful in the cosmetic industry and the food development industry which use a Tricholoma matsutake scent.

Abstract: A curable composition includes a hygroscopic salt comprising a metal-organic framework comprising a cluster comprising zirconium and a positively charged organic ligand and an anion, to an encapsulation part having excellent anti-moisture and optical properties.

Abstract: The present application relates to a method for preparing transformed yeast producing 1-octen-3-ol, and yeast prepared by the method, and is useful in the cosmetic industry and the food development industry which use a Tricholoma matsutake scent.