Abstract: The present disclosure provides a method and device for refining waste plastic pyrolysis oil, the method including (S1) subjecting a waste plastic pyrolysis oil feedstock to a heat treatment by charging the waste plastic pyrolysis oil feedstock into a rotary kiln reactor and increasing a temperature of the rotary kiln reactor to form a product; (S2) recovering a gas component from the product of step (S1); (S3) separating a high boiling point wax component from the recovered gas component and re-supplying the separated high boiling point wax component to the rotary kiln reactor in step (S1); and (S4) recovering refined oil from the gas component from which the high boiling point wax component is removed.

Abstract: A selector according to an embodiment of the present disclosure includes a first electrode; a second electrode disposed opposite to the first electrode; an ion supply layer disposed between the first electrode and the second electrode to be on the side of the first electrode and doped with a metal, wherein the doped metal diffuses toward the second electrode; a switching layer disposed between the first electrode and the second electrode to be on the side of the second electrode, wherein the doped metal diffuses from the ion supply layer into the switching layer so that metal concentration distribution inside the switching layer is changed to generate metal filaments; and a diffusion control layer inserted between the ion supply layer and the switching layer, wherein the diffusion control layer serves to adjust electrical characteristics related to the generated metal filaments as the amount of the diffusing metal is adjusted in proportion to a thickness of the diffusion control layer.

Abstract: An air purification module comprises a housing having an interior space provided with an air inlet and an air outlet, and an axial type blowing fan, mounted in the housing, for moving air from the air inlet to the air outlet. The air purification module further includes an air purifying unit, provided on a flow path of the air, for purifying the air and a guide for reducing the flow rate of the air between the blowing fan and the air purifying unit. The air purifying unit includes a filter provided between the blowing fan and the air outlet and a light source unit for providing light to the filter.

Abstract: A secondary battery includes an electrode assembly having a positive electrode provided with a positive electrode tab, a separator, and a negative electrode provided with a negative electrode tab, the positive electrode, the separator, and the negative electrode being wound, the electrode assembly having a core part at a center thereof; a can configured to receive the electrode assembly therein, the negative electrode tab being connected to the can; a cap assembly coupled to an opening of the can, the positive electrode tab being connected to the cap assembly; and a reinforcing member provided on an end of the separator exposed beyond the positive electrode or the negative electrode to prevent heat of the positive electrode tab or the negative electrode tab from being transferred to the separator.

Abstract: Disclosed are a backside illuminated image sensor and a method of manufacturing the same. More particularly, a backside illuminated image sensor and a method of manufacturing the backside illuminated image sensor include a light scattering portion in a substrate configured to converge a path of incident light to a photoelectric conversion structure, thereby preventing cross-talk between adjacent pixels and increasing light sensitivity.

Abstract: Disclosed are a frontside illuminated image sensor and a method of manufacturing the same. More particularly, a frontside illuminated image sensor and a method of manufacturing the frontside illuminated image sensor include a light scattering portion in a substrate, configured to increase a path of incident light, thereby preventing cross-talk between adjacent pixels and increasing light sensitivity.

Abstract: A display device includes a substrate, conductive pads arranged on the substrate over a plurality of rows, and a drive circuit chip including bumps arranged over a plurality of rows to be electrically connected with the conductive pads, and the conductive pads arranged in a same row are arranged in parallel, and the bumps arranged in a same row are arranged in a zigzag form so as to be partially shifted.

Abstract: Disclosed are a backside illuminated image sensor and a method of manufacturing the same. More particularly, a backside illuminated image sensor and a method of manufacturing the backside illuminated image sensor include a plurality of sequential layers have different refractive indexes to extend a path of incident light passing through a lens, thereby increasing sensitivity.

Abstract: A hydrogen supply system for fuel cells and a method of controlling the same include a hydrogen supplier connected to a hydrogen provider and configured to receive hydrogen from the hydrogen provider through a supply valve, a supply line, a discharge line, a discharge valve provided on the hydrogen supplier to discharge by-products, collected in the hydrogen supplier, to the outside thereof, and a controller electrically connected to the supply valve and configured to set a basic duty of the supply valve based on a basic control map, to set a compensation duty of the supply valve depending on feedback control, and to set a final duty of the supply valve through the basic duty and the compensation duty.

Abstract: A storage device includes a nonvolatile memory device including a plurality of nonvolatile memories; a controller configured to allocate write blocks of the nonvolatile memory device to a plurality of streams provided from an outside; and a buffer memory configured to store a result of allocation of the write blocks to the plurality of streams, wherein the controller is further configured to reallocate the write blocks of the nonvolatile memory device to the plurality of streams based on the result of allocation stored in the buffer memory.

Abstract: A memory storage device is capable of improving reliability of a memory system. The memory storage device comprises a memory controller, and a non-volatile memory connected to the memory controller. A method includes receiving, by the memory controller, a command from a host device, the command requesting lost LBA (logical block address) information resulting from a system shutdown of the memory storage device, in response to the command, providing, by the memory controller, the lost LBA information, and receiving, by the memory controller, recovered data corresponding to the lost LBA information, wherein the lost LBA information includes at least one of the number of LBAs lost by system shutdown, an LBA list lost by system shutdown, and deletion of a previous LBA list lost by system shutdown.

Abstract: A nonvolatile memory device includes multi-level cells in a memory cell array including a plurality of memory blocks, and each of the memory blocks includes a plurality of pages. A method of operating the nonvolatile memory device includes pre-programming multi-bit data in a pre-program block of the memory blocks, dividing the multi-level cells into a plurality of state groups based on state codes indicating states of the multi-level cells to generate digest data indicating state group codes corresponding to the state groups, and programming the digest data in a digest block of the memory blocks.

Abstract: A wireless power transmission system includes a receiver position identifier unit configured to determine the positions of receiver apparatuses; a signal transmitter unit comprising antennas arrayed in a pre-designated pattern and configured to radiate wireless power signals by forming a beam in a pattern corresponding to signals supplied respectively to the antennas; and a beamforming unit configured to improve a wireless power transmission efficiency by temporarily setting a frequency vector, which is for designating frequencies of the signals supplied to the antennas, and a beamforming vector, which is for designating phases and gains of the signals, based on the positions of the receiver apparatuses and alternatingly iteratively estimating the other vector to enhance power transmission efficiency such that a multi-lobe beam pattern radiated simultaneously in the directions of the receiver apparatuses is formed in the antennas.

Abstract: A storage device includes a nonvolatile memory device including a plurality of nonvolatile memories; a controller configured to allocate write blocks of the nonvolatile memory device to a plurality of streams provided from an outside; and a buffer memory configured to store a result of allocation of the write blocks to the plurality of streams, wherein the controller is further configured to reallocate the write blocks of the nonvolatile memory device to the plurality of streams based on the result of allocation stored in the buffer memory.

Abstract: A memory storage device is capable of improving reliability of a memory system. The memory storage device comprises a memory controller, and a non-volatile memory connected to the memory controller. A method includes receiving, by the memory controller, a command from a host device, the command requesting lost LBA (logical block address) information resulting from a system shutdown of the memory storage device, in response to the command, providing, by the memory controller, the lost LBA information, and receiving, by the memory controller, recovered data corresponding to the lost LBA information, wherein the lost LBA information includes at least one of the number of LBAs lost by system shutdown, an LBA list lost by system shutdown, and deletion of a previous LBA list lost by system shutdown.

Abstract: A storage device includes a nonvolatile memory device including a plurality of nonvolatile memories; a controller configured to allocate write blocks of the nonvolatile memory device to a plurality of streams provided from an outside; and a buffer memory configured to store a result of allocation of the write blocks to the plurality of streams, wherein the controller is further configured to reallocate the write blocks of the nonvolatile memory device to the plurality of streams based on the result of allocation stored in the buffer memory.

Abstract: A storage device may include a monitoring module which monitors a characteristic degradation rate of a plurality of blocks included in a cell array of a nonvolatile memory; a group management module which designates the plurality of blocks as one or more groups, on the basis of a monitoring result of the monitoring module; a refresh period management module which determines refresh periods for each of the one or more groups; and a processor which performs refresh on the one or more groups in accordance with the determined refresh periods.

Abstract: A wireless power transmission system includes a receiver position identifier unit configured to determine the positions of receiver apparatuses; a signal transmitter unit comprising antennas arrayed in a pre-designated pattern and configured to radiate wireless power signals by forming a beam in a pattern corresponding to signals supplied respectively to the antennas; and a beamforming unit configured to improve a wireless power transmission efficiency by temporarily setting a frequency vector, which is for designating frequencies of the signals supplied to the antennas, and a beamforming vector, which is for designating phases and gains of the signals, based on the positions of the receiver apparatuses and alternatingly iteratively estimating the other vector to enhance power transmission efficiency such that a multi-lobe beam pattern radiated simultaneously in the directions of the receiver apparatuses is formed in the antennas.

Abstract: Disclosed is a device for preservability enhancement including: a primary energy wave generation unit which generates, by receiving AC 220V power from a 220V power input unit via a noise filter, an electromagnetic field by an inner electric coil, generates a preconfigured frequency in which a generated electric field and electromagnetic field energy are included, and generates free electrons by the flow of an electric current therein resulting from the electromagnetic field; and a tertiary complex wave generation and amplification unit which receives, via an output terminal of the primary energy wave generation unit, the free electrons and the electromagnetic field having information of the primary energy wave generation unit and generated thereby and, by using the free electrons and the electromagnetic field thus received, combines, amplifies and emits the first cell-activating energy wave.

Abstract: A storage device and a method of operating a storage device including a non-volatile memory. The method includes selecting a first task from among a plurality of tasks queued in a task queue of the storage device; determining whether a mode of the first task is identical to a mode of a previously-executed task; and determining an execution order of the first task according to a result of determination. The modes and the region addresses of tasks may be utilized to group tasks to permit interleaving of programming data.