Abstract: A three-dimensional semiconductor memory device is provided. The memory device includes a substrate with a cell array region and a connection region adjacent to the cell array region, the connection region including a first pad region and a second pad region; an electrode structure including electrodes stacked on the substrate, the electrode structure including an upper portion forming an upper staircase structure; a first dummy structure laterally spaced apart from the upper portion of the electrode structure and provided on the first pad region; and a second dummy structure laterally spaced apart from the upper portion of the electrode structure and provided on the second pad region. Each of the first dummy structure and the second dummy structure includes a dummy staircase structure, and the first dummy structure is located at higher level than the second dummy structure.

Abstract: An electronic device that is interlocked with a display device and a method for controlling the electronic device are provided. The method includes acquiring an image by photographing an area in which the display device is installed, identifying a display area in which the display device is disposed and a background area of the display device by analyzing the acquired image, acquiring information that relates to a background image of a position at which the display device is installed based on the identified background area, and transmitting the acquired background image information to the display device.

Abstract: An audio-visual system may include a housing comprising an open upper end and a storage space, an audio-visual device installed inside the housing and exposable through the open upper end, and a lifting device configured to expose or store the audio-visual device inside the housing through the open upper end. The audio-visual device may include a display, a speaker, and a processor configured to control the audio-visual system to operate in a first mode for outputting media art content while the display is stored in the housing according to a first event, operate in a second mode for outputting audio content through the speaker while part of the display is exposed through the open upper end according to a second event, and operate in a third mode for outputting a visual content while the entire display is exposed through the open upper end according to a third event.

Abstract: An audio-visual system may include a housing comprising an open upper end and a storage space, an audio-visual device installed inside the housing and exposable through the open upper end, and a lifting device configured to expose or store the audio-visual device inside the housing through the open upper end. The audio-visual device may include a display, a speaker, and a processor configured to control the audio-visual system to operate in a first mode for outputting media art content while the display is stored in the housing according to a first event, operate in a second mode for outputting audio content through the speaker while part of the display is exposed through the open upper end according to a second event, and operate in a third mode for outputting a visual content while the entire display is exposed through the open upper end according to a third event.

Abstract: Provided is a catalyst for exhaust gas purification, the catalyst comprising: a noble metal; an alumina support particle; and a ZrO2 semiconductor support particle deposited on a surface of the alumina support particle.

Abstract: The present invention relates to a pharmaceutical composition for prevention or treatment of neurodegenerative disease, a composition employing amlexanox, which has been verified for safety through clinical trials. In addition, the present invention relates to a pharmaceutical composition for prevention or treatment of amyloid beta-caused cell damage, the composition employing a phosphodiesterase (PDE) inhibitor inclusive of amlexanox. The composition of the present invention can be advantageously and safely used for ameliorating or treating amyloid beta-caused neurodegenerative disease and cell damage, without worry about side effects.

Abstract: The present invention relates to an image sound device having a display portion that can appear/disappear, the device comprising: a housing, the upper end of which is open, and which has a space provided therein; a display portion installed inside the housing to be able to output images; an elevating unit installed inside the housing and below the display portion such that the display portion can be made to protrude through the upper end of the housing; and a motor control portion for controlling the elevating unit such that the display portion can be positioned at two or more heights.

Abstract: Disclosed is a method of forming a thin film using a surface protection material, the method comprising supplying the surface protection material to the inside of a chamber on which a substrate is placed so that the surface protection material is adsorbed to the substrate, discharging the unadsorbed surface protection material from the inside of the chamber by purging the interior of the chamber, supplying a metal precursor to the inside of the chamber so that the metal precursor is adsorbed to the substrate, discharging the unadsorbed metal precursor from the inside of the chamber by purging the interior of the chamber, and supplying a reaction material to the inside of the chamber so that the reaction material reacts with the adsorbed metal precursor to form the thin film.

Abstract: An audio-visual system may include a housing comprising an open upper end and a storage space, an audio-visual device installed inside the housing and exposable through the open upper end, and a lifting device configured to expose or store the audio-visual device inside the housing through the open upper end. The audio-visual device may include a display, a speaker, and a processor configured to control the audio-visual system to operate in a first mode for outputting media art content while the display is stored in the housing according to a first event, operate in a second mode for outputting audio content through the speaker while part of the display is exposed through the open upper end according to a second event, and operate in a third mode for outputting a visual content while the entire display is exposed through the open upper end according to a third event.

Abstract: An electronic apparatus includes a display and a processor for controlling the display. In response to the electronic apparatus operating in a first operating mode, the processor displays a content screen including a background image layer with a rear background image of the electronic apparatus and an object layer with a graphic object in the display. In response to receiving a convert command to convert to a second operating mode, the processor decreases a resolution of the content screen displayed in the display and adds a content layer including a content image enlarged gradually from a region of the content screen to the an entirety of the content screen.

Abstract: An audio-visual system may include a housing comprising an open upper end and a storage space, an audio-visual device installed inside the housing and exposable through the open upper end, and a lifting device configured to expose or store the audio-visual device inside the housing through the open upper end. The audio-visual device may include a display, a speaker, and a processor configured to control the audio-visual system to operate in a first mode for outputting media art content while the display is stored in the housing according to a first event, operate in a second mode for outputting audio content through the speaker while part of the display is exposed through the open upper end according to a second event, and operate in a third mode for outputting a visual content while the entire display is exposed through the open upper end according to a third event.

Abstract: Disclosed is a visible light-activated photocatalytic coating composition comprising a visible light active photocatalytic material and an aqueous solvent.

Abstract: An audio-visual system may include a housing comprising an open upper end and a storage space, an audio-visual device installed inside the housing and exposable through the open upper end, and a lifting device configured to expose or store the audio-visual device inside the housing through the open upper end. The audio-visual device may include a display, a speaker, and a processor configured to control the audio-visual system to operate in a first mode for outputting media art content while the display is stored in the housing according to a first event, operate in a second mode for outputting audio content through the speaker while part of the display is exposed through the open upper end according to a second event, and operate in a third mode for outputting a visual content while the entire display is exposed through the open upper end according to a third event.

Abstract: An audio-visual system may include a housing comprising an open upper end and a storage space, an audio-visual device installed inside the housing and exposable through the open upper end, and a lifting device configured to expose or store the audio-visual device inside the housing through the open upper end. The audio-visual device may include a display, a speaker, and a processor configured to control the audio-visual system to operate in a first mode for outputting media art content while the display is stored in the housing according to a first event, operate in a second mode for outputting audio content through the speaker while part of the display is exposed through the open upper end according to a second event, and operate in a third mode for outputting a visual content while the entire display is exposed through the open upper end according to a third event.

Abstract: An audio-visual system may include a housing comprising an open upper end and a storage space, an audio-visual device installed inside the housing and exposable through the open upper end, and a lifting device configured to expose or store the audio-visual device inside the housing through the open upper end. The audio-visual device may include a display, a speaker, and a processor configured to control the audio-visual system to operate in a first mode for outputting media art content while the display is stored in the housing according to a first event, operate in a second mode for outputting audio content through the speaker while part of the display is exposed through the open upper end according to a second event, and operate in a third mode for outputting a visual content while the entire display is exposed through the open upper end according to a third event.

Abstract: An audio-visual system may include a housing comprising an open upper end and a storage space, an audio-visual device installed inside the housing and exposable through the open upper end, and a lifting device configured to expose or store the audio-visual device inside the housing through the open upper end. The audio-visual device may include a display, a speaker, and a processor configured to control the audio-visual system to operate in a first mode for outputting media art content while the display is stored in the housing according to a first event, operate in a second mode for outputting audio content through the speaker while part of the display is exposed through the open upper end according to a second event, and operate in a third mode for outputting a visual content while the entire display is exposed through the open upper end according to a third event.

Abstract: An audio-visual system may include a housing comprising an open upper end and a storage space, an audio-visual device installed inside the housing and exposable through the open upper end, and a lifting device configured to expose or store the audio-visual device inside the housing through the open upper end. The audio-visual device may include a display, a speaker, and a processor configured to control the audio-visual system to operate in a first mode for outputting media art content while the display is stored in the housing according to a first event, operate in a second mode for outputting audio content through the speaker while part of the display is exposed through the open upper end according to a second event, and operate in a third mode for outputting a visual content while the entire display is exposed through the open upper end according to a third event.

Abstract: An audio-visual system may include a housing comprising an open upper end and a storage space, an audio-visual device installed inside the housing and exposable through the open upper end, and a lifting device configured to expose or store the audio-visual device inside the housing through the open upper end. The audio-visual device may include a display, a speaker, and a processor configured to control the audio-visual system to operate in a first mode for outputting media art content while the display is stored in the housing according to a first event, operate in a second mode for outputting audio content through the speaker while part of the display is exposed through the open upper end according to a second event, and operate in a third mode for outputting a visual content while the entire display is exposed through the open upper end according to a third event.

Abstract: A poly(imide-amide) copolymer or its precursor includes two ends and a main chain located between the two ends, and includes a group represented by Chemical Formula 1 at one end, and a structural unit represented by Chemical Formula 7, and at least one of a structural unit represented by Chemical Formula 2 or a structural unit represented by Chemical Formula 3 in the main chain: wherein, in Chemical Formulae 1, 2, 3, and 7, R1 and Ar1 to Ar4 are the same as defined in the detailed description.

Abstract: A three-dimensional semiconductor memory device is provided. The memory device includes a substrate with a cell array region and a connection region adjacent to the cell array region, the connection region including a first pad region and a second pad region; an electrode structure including electrodes stacked on the substrate, the electrode structure including an upper portion forming an upper staircase structure; a first dummy structure laterally spaced apart from the upper portion of the electrode structure and provided on the first pad region; and a second dummy structure laterally spaced apart from the upper portion of the electrode structure and provided on the second pad region. Each of the first dummy structure and the second dummy structure includes a dummy staircase structure, and the first dummy structure is located at higher level than the second dummy structure.