Abstract: A display device includes a display panel that displays an image and a roller connected to an end of the display panel. The roller includes a rolling member having a single body, the rolling member including a cut-off groove formed on at least a portion of an outer circumferential surface of the rolling member, and at least one support member disposed in an internal empty space of the rolling member.

Abstract: A display apparatus includes a display module, a rolling cylinder which the display module is wound on and unwound from, and a lifting block unit disposed on a rear surface of the display module. The lifting block unit includes a first block portion, a second block portion coupled to the first block portion and movable up and down with respect to the first block portion, and a third block portion connected to an upper portion of the display module and coupled to the second block portion and movable up and down with respect to the second block portion. The second block portion is inserted into a first accommodation space defined above the first block portion and a second accommodation space defined under the third block portion.

Abstract: The present invention relates to a pharmaceutical composition for the prevention or treatment of inflammatory disease, comprising mesenchymal stem cells expressing PTX-3, TIMP1, and BDNF as an active ingredient. The mesenchymal stem cells expressing PTX-3, TIMP1, BDNF, and/or HLA-A2, according to the present invention, may inhibit an inflammatory response by reducing the expressions of the inflammatory cytokines IL-1b, IL-6, IL-8, and TNF-a, and increasing the expressions of the anti-inflammatory cytokines IL-10 and arginase-1 (ARG-1), and may relieve pain caused by osteoarthritis when administered in an osteoarthritis-induced rat. Thus, the mesenchymal stem cells expressing PTX-3, TIMP1, and BDNF of the present invention may be usefully employed in the prevention, alleviation, or treatment of inflammatory disease, pain, and pain cuased by inflammation.

Abstract: Proposed is a composition for preventing or treating lung diseases. The composition may contain CD47-overexpressing mesenchymal stem cells as an active ingredient. CD47-overexpressing mesenchymal stem cells, even when not autologous, show a high survival rate in vivo and the ability to migrate to lung tissue, reduce the inflammatory response in lung tissue, and exhibit a fibrosis-inhibiting effect. CD47-overexpressing mesenchymal stem cells can be widely used for the prevention or treatment of various lung diseases related to inflammation or fibrosis of the lungs.

Abstract: A display apparatus includes a roller extending in a first direction and a display module coupled to the roller. The roller includes a cylinder body having an inner accommodation space, and the cylinder body defines a slot that exposes the inner accommodation space to the outside and extends in the first direction. An outer surface of the cylinder body includes a support surface spaced apart from an axis of the cylinder body by a first distance and a guide surface extended to or from the support surface and recessed a predetermined distance toward the axis such that a distance to the axis is less than the first distance. The guide surface is extended to or from a first end of the slot.

Abstract: A control circuit for a resonant converter, can include: a feedforward circuit configured to generate a feedforward current; a charge feedback circuit configured to receive a resonant current sampling signal representing a resonant current of the resonant converter in a first mode to generate a charge feedback signal, and to receive the resonant current sampling signal and the feedforward current together to generate the charge feedback signal in a second mode; and a driving control circuit configured to generate driving signals according to the charge feedback signal and a first threshold signal, in order to control switching states of power transistors of the resonant converter, where the first threshold signal is generated according to an error compensation signal representing an error information between a feedback signal of an output signal of the resonant converter and a reference signal.

Abstract: A body including a dielectric layer and internal electrodes disposed alternately with the dielectric layer interposed therebetween; and external electrodes disposed on the body, wherein the dielectric layer includes a main component containing calcium (Ca), strontium (Sr), zirconium (Zr) and titanium (Ti) and a sub-component containing manganese (Mn), yttrium (Y) and silicon (Si), wherein the dielectric layer includes a plurality of dielectric grains and grain boundaries disposed between adjacent dielectric grains, and at least a portion of the plurality of dielectric grains has a core-shell structure, a content of yttrium (Y) included in a core relative to 100 moles of zirconium (Zr) included in the core and a shell is defined as Yc, a content of yttrium (Y) included in the shell relative to 100 moles of zirconium (Zr) included in the core and the shell is defined as Ys, and Ys/Yc>9 is satisfied.

Abstract: A method, system, and computer program product are configured to: create a link tracing data structure in response to receiving a request from a user interface (UI), wherein the link tracing data structure includes a synchronization identifier and information about user actions in the UI; handle the request by calling plural microservices; add respective synchronization content for each one of the plural microservices to the link tracing data structure, wherein the respective synchronization content for a respective one of the plural microservices comprises: the synchronization identifier; a respective step identifier that identifies the respective one of the plural microservices; and a respective synchronization message that describes an execution status of the respective one of the plural microservices; store the link tracing data structure; and provide the link tracing data structure to a requesting user.

Abstract: Provided are a cartridge including a liquid storage including an aerosol generating material, and an atomizer configured to generate an aerosol from the aerosol generating material, in which the aerosol generating material includes menthol, a flavoring agent, propylene glycol (PG), and vegetable glycerin (VG), and an aerosol generating system including the same.

Abstract: A sampling circuit for a switching power supply, can include: a first sampling circuit configured to acquire a first sampling signal of a current flowing through an inductor in the switching power supply; and a second sampling circuit configured to obtain a compensation signal with a same rising slope as the first sampling signal within a turn-off delay time of a power switch in the switching power supply, and to superimpose the compensation signal on the first sampling signal to generate a second sampling signal.

Abstract: Provided is a method of analyzing social influence. The method according to the embodiments includes obtaining posts containing text data in a forum, generating a forum interaction graph including a plurality of nodes corresponding to a plurality of embedded vectors generated by embedding the posts and edges indicating a connection relationship between the posts, and training an artificial intelligence model using the forum interaction graph.

Abstract: For constructing an asymmetric RF pulse for an MRI system, a first RF amplitude for a first part of a time interval is determined and an RF amplitude curve, which depends on at least one RF curve parameter is received. A combined RF amplitude curve for the time interval is determined by combining the first RF amplitude for the first part of the time interval and the RF amplitude curve for a second part of the time interval, which succeeds the first part of the time interval. The combined RF amplitude curve is optimized using a loss function, which comprises an energy loss term, which depends on a pulse energy of the combined RF amplitude curve, and using the at least one RF curve parameter as at least one optimization variable. A combined amplitude of the asymmetric RF pulse is given by the optimized combined RF amplitude curve.

Abstract: A display device includes a display module and a support plate disposed under the display module. The support plate includes a flat portion, a flexible portion that extends from the flat portion and that is folded such that a portion is disposed under the flat portion, and a plurality of protruding bars that protrude downward from the flexible portion, and a plurality of grooves is defined in an upper surface of the flexible portion and overlaps the plurality of protruding bars.

Abstract: A display device includes a display module, a roller connected to a first end of the display module, a plurality of blocks on a rear surface of the display module and connected to a second end of the display module opposite the first end, a first gear connected to an hth block among the plurality of blocks, a second gear connected to an (h+1)th block among the plurality of blocks and engaged with the first gear, and a drive belt configured to transmit a driving force to the second gear.

Abstract: Provided is an aerosol generating device. The aerosol generating device includes: an accommodation part into which a cigarette is capable of being inserted; and a heating element passing through a hole formed in a bottom surface of the accommodation part, protruding into the accommodation part and capable of heating the cigarette inserted into the accommodation part, wherein, on the bottom-surface, the ratio of a cross-sectional area of the hole with respect to a cross-sectional area of the heating element is greater than or equal to 1.8.

Abstract: The present disclosure provides a fluorescence image registration method, the method includes: acquiring a fluorescence image of a biochip; selecting a preset local region of the fluorescence image; acquiring a position of a minimum value of a sum of brightness values of pixels in a first direction and a second direction, and obtaining pixel-level registration points; dividing the pixel-level registration points into non-defective pixels and defective pixels; if the fluorescence image meets the preset standard, correcting positions of the defective pixels according to positions of the non-defective pixels; acquiring a position of a center of gravity of image points of fluorescent molecules according to a center of gravity method; fitting straight lines in the first direction and the second direction respectively according to the position of the center of gravity; and acquiring boundary points of the fluorescence image and calculating the positions of the boundary points.

Abstract: A display device includes a display module, a support plate disposed under the display module and including a plate and a plurality of support bars arranged in a first direction with the plate, a moving plate disposed under the plate and coupled to the support bars, an expansion module disposed between the plate and the moving plate and movable in the first direction, a main case disposed under the moving plate and accommodating the moving plate and the expansion module, and a sliding hinge disposed between the main case and the moving plate.

Abstract: A display device includes a display module, an extension module that is disposed under the display module and that extends and retracts in a first direction, a main case that accommodates the extension module, and a plurality of sidewall cases that are spaced apart from each other in a second direction intersecting the first direction and that move in the first direction relative to the main case. The plurality of sidewall cases move in a third direction intersecting a plane defined by the first and second directions.

Abstract: A method for controlling a device for automatically adjusting an airway opening body position is provided. The device includes a horizontal base plate, a head support block, a back support plate, a neck support apparatus, a head cover assembly, and a programmable logic controller (PLC). The neck support apparatus is positioned between the head support block and the back support plate. The PLC is configured to controls a stroke of an electric cylinder according to the following equations: ?=1.235?+?, and ?=KX+B+C, where ? is a body position angle, the body position angle is an angle between a positive projection line of a connecting line from a mandibular angle to an external acoustic meatus on a symmetrical surface of a human body and the back support plate, and ? is a preset value ranging from 90° to 100°.