Abstract: Provided herein may be a data storage system. The data storage system may include a plurality of memory devices, each including a metadata area and a data storage area, and a memory pool manager configured to allocate partial data storage areas of data storage areas to a plurality of host devices, respectively, in response to data storage area allocation requests received from the plurality of host devices, wherein the memory pool manager is configured to generate a plurality of sub-metadata areas by partitioning each metadata area, allocate the plurality of sub-metadata areas to the plurality of host devices, respectively, to correspond to the partial data storage areas allocated to the plurality of host devices and change sizes and locations of the plurality of sub-metadata areas based on at least one of health information of the plurality of memory devices and a metadata area setting request.

Abstract: An organic light-emitting display device includes a base substrate, a pixel array, a first power voltage wiring and a second power voltage wiring. The base substrate includes a pixel area and a peripheral area. The pixel array is disposed in the pixel area. The first power voltage wiring is disposed in the peripheral area and includes a first lower power voltage line and a first upper power voltage line. The first upper power voltage line is disposed on and contacts the first lower power voltage line. The second power voltage wiring is disposed in the peripheral area and includes a second lower power voltage line and a second upper power voltage line. The second upper power voltage line is disposed on and contacts the second lower power voltage line. The first upper power voltage line overlaps the second lower power voltage line in a plan view.

Abstract: The present invention relates to a door handle and, more specifically, to a door handle which may comprise: a housing which is fixed to a door and has an inner space; a drive part which supplies rotational power; a rotating guide which is connected to the drive part to receive rotational power therefrom and rotate within the housing; and a handle part which is disposed within the rotating guide, and protrudes out of the housing by forward rotation of the rotating guide and is retracted into the housing by reverse rotation of the rotating guide.

Abstract: Apparatus and Method for treating substrate, are provided. A substrate treatment apparatus includes an upper body, a lower body coupled to the upper body and defining a substrate treating space therebetween, a seal disposed between the upper body and the lower body, wherein the seal seals the substrate treating space from an outside, a fluid supply unit configured to supply fluid to the substrate treating space and a controller. The fluid supply unit includes a first auxiliary fluid supply unit configured to control the fluid to flow at a first flow rate and a second auxiliary fluid supply unit configured to the fluid to flow at a second flow rate different from the first flow rate.

Abstract: A fan filter unit includes: a housing; a centrifugal fan which rotates inside the housing about a rotary axis that extends in a first direction; a first plate surrounding at least a part of a side surface of the centrifugal fan; and a second plate disposed below the centrifugal fan and the first plate, and including a plurality of micro holes each extending in the first direction, wherein a first airflow path, which extends in the first direction, and a second airflow path, which is connected to a lower part of the first airflow path, are formed between the centrifugal fan and the first plate, and the second airflow path has an inclination with respect to a lower surface of the centrifugal fan.

Abstract: A method of preparing a vinyl chloride polymer is provided. The method includes: preparing a mixture by adding an alcohol to a vinyl chloride polymer slurry (S1); separating a waste liquid from the mixture to obtain a vinyl chloride polymer (S2); and adding at least a portion of the separated waste liquid to the mixture (S3); wherein a content of the at least a portion of the separated waste liquid added in Step S3 is in the range of 33.0 to 35.0 parts by weight with respect to 100 parts by weight of the mixture.

Abstract: An organic light-emitting display device includes a base substrate, a pixel array, a first power voltage wiring and a second power voltage wiring. The base substrate includes a pixel area and a peripheral area. The pixel array is disposed in the pixel area. The first power voltage wiring is disposed in the peripheral area and includes a first lower power voltage line and a first upper power voltage line. The first upper power voltage line is disposed on and contacts the first lower power voltage line. The second power voltage wiring is disposed in the peripheral area and includes a second lower power voltage line and a second upper power voltage line. The second upper power voltage line is disposed on and contacts the second lower power voltage line. The first upper power voltage line overlaps the second lower power voltage line in a plan view.

Abstract: There is disclosed a door handle having a vein authentication function including a housing provided in a door; a sensor provided in the housing for sensing a user's hand touching the housing or located in a preset region; a controller receiving a measured value from the sensor part; and an authentication part operating based on a control signal of the controller, photographing the user's hand and transmitting the photograph of the user's hand to the controller, wherein the authentication part has a photographing angle that is variable based on a position of the user's hand.

Abstract: An embodiment of the disclosed technology reduces direct data transmission and reception between a plurality of host devices and enables data sharing by a data storage device, through management of allocation information and access mode information of memory regions included in the data storage device used by the plurality of host devices, thereby improving data processing performance by the plurality of host devices and the use efficiency of the data storage device.

Abstract: A display apparatus includes where one pixel line including a plurality of pixels are provided in plurality, a gate driver configured to apply a gate signal to the one pixel line, and a source driver configured to apply a data signal to the one pixel line. The source driver includes amplifier circuits, output switches, a source output control circuit, and an offset control circuit. The source output control circuit applies sequentially delayed source output enable signals to the output switches to delay an output period of the data signal by units of source output channels, based on a degree of delay of the gate signal. The offset control circuit applies an offset control signal generated based on the sequentially delayed source output enable signals to the plurality of amplifier circuits to change an offset of each of the plurality of amplifier circuits in a masking period of the data signal.

Abstract: The present invention provides a home care system. More specifically, the present invention relates to an image-based remote home care system which monitors, in real time, occurrence of various unexpected events, such as an emergency, on the basis of an image of a person to be observed captured using an IP-CAM at a remote location. According to an embodiment of the present invention, one or more IP-CAMs are installed or a smart terminal is prepared in a habitation of a vulnerable person, such as a senior citizen living alone, current images of the person to be protected are captured and collected in real time, and occurrence of an emergency is determined through analysis of the collected images and is reported to an associated emergency center, so that a person to be protected can be protected.

Abstract: In an embodiment of the disclosed technology, when a virtual machine is migrated between a plurality of host devices which are allocated with and use memory regions of a data storage device, data related to the virtual machine may be migrated without using a bandwidth between the data storage device and the host devices or by minimizing use of a bandwidth.

Abstract: In an embodiment of the disclosed technology, a defective memory region is detected on the basis of operation information of a memory region included in a memory system and allocated to a host device, a warning signal is transmitted to a host device to which the defective memory region is allocated, and the defective memory region is excluded from a pool of allocatable memory regions to reduce or prevent data loss of a host device using memory regions of the memory system that may occur due to the defective memory region.

Abstract: A negative electrode including a negative electrode current collector, and a negative electrode active material layer on at least one surface of the negative electrode current collector is disclosed. The negative electrode active material layer includes a negative electrode active material, which includes a first negative electrode active material and a second negative electrode active material. The first negative electrode active material is coated artificial graphite particles including primary artificial graphite particles and an amorphous carbon coating layer on a surface of the primary artificial graphite particles. The second negative electrode active material is uncoated artificial graphite particles in the form of secondary particles in which two or more primary artificial graphite particles are assembled. A ratio of an average particle diameter (D50) of the second negative electrode active material to an average particle diameter (D50) of the first negative electrode active material ranges from 1.

Abstract: A negative electrode active material including secondary particles wherein at least two primary particles are aggregated, wherein the primary particles include primary natural graphite particles and an amorphous carbon coating layer on at least a portion of a surface of the primary natural graphite particles. The negative electrode active material has a pore volume of 0.06 mL/g to 0.15 mL/g as measured by a Hg porosimeter.

Abstract: A display device includes a timing controller, a data driver controlled by the timing controller, and a display panel configured to display an image by the data driver. When a data signal is applied in an abnormal state, the data driver generates a voltage for display of black by itself, and supplies the voltage to the display panel.

Abstract: A display apparatus includes a display panel having a display region, a non-display region, and a bending region. The display apparatus further includes a polarizing plate attached to the display panel, and a micro protective layer formed on the bending region. The micro protective layer is in contact with a side surface of the polarizing plate.

Abstract: A display apparatus includes where one pixel line including a plurality of pixels are provided in plurality, a gate driver configured to apply a gate signal to the one pixel line, and a source driver configured to apply a data signal to the one pixel line. The source driver includes amplifier circuits, output switches, a source output control circuit, and an offset control circuit. The source output control circuit applies sequentially delayed source output enable signals to the output switches to delay an output period of the data signal by units of source output channels, based on a degree of delay of the gate signal. The offset control circuit applies an offset control signal generated based on the sequentially delayed source output enable signals to the plurality of amplifier circuits to change an offset of each of the plurality of amplifier circuits in a masking period of the data signal.

Abstract: A semiconductor device include a nonvolatile memory device, including a first well region formed in a substrate, a tunneling gate insulator formed on the first well region, a floating gate formed on the tunneling gate insulator, a control gate insulator formed on the substrate, a control gate formed on the control gate insulator, and a first source region and a first drain region formed on opposite sides of the control gate, respectively, and a first logic device, including a first logic well region formed in the substrate, a first logic gate insulator formed on the first logic well region, a first logic gate formed on the first logic gate insulator, wherein the first logic gate comprises substantially a same material as a material of the control gate of the nonvolatile memory device.

Abstract: An ultraviolet light-based disinfection device and method are proposed. The ultraviolet disinfection device, according to one embodiment, may disinfect a fluid on the basis of ultraviolet light, without injecting a drug or using a harmful material such as mercury.