Abstract: A data storage device includes a storage medium, a first buffer memory, a second buffer memory, and a controller. The controller is configured to control data input/output for the storage medium according to requests received from a host device and to store write data in the first and second buffer memories in response to a write request received from the host device.

Abstract: The present disclosure relates to a method for cultivating coffee bean with improved growth and contents of nutritional ingredients, including: (a) a step of preparing diluted deep sea water by mixing undiluted deep sea water with water; and (b) a step of irrigating coffee tree with the diluted deep sea water prepared in the step (a), coffee bean with improved growth and contents of nutritional ingredients, cultivated by the method, and a processed food using the coffee bean.

Abstract: A controller includes a host command sensor suitable for generating a target ratio between first typed host commands and second typed host commands; an output command generator suitable for generating first and second typed output commands respectively corresponding to the first and second typed host commands; and an arbiter suitable for sequentially transmitting the first and second typed output commands from the output command queue to a channel, and generating a channel ratio between first and second typed output commands transmitted from the output command queue to the channel. The arbiter transmits one of the first and second typed output commands from the output command queue to the channel by comparing the channel ratio with the target ratio.

Abstract: Disclosed is a display device that can uniformly transmit light emitted from a light source to the entire display panel without using a light guide plate. The display device includes a display panel, a backlight assembly supplying light to the display panel, and a lower cover receiving the backlight assembly. The backlight assembly includes a light source, a circuit board mounted with the light source, and a reflection cover coupled to the circuit board to reflect light emitted from the light source and formed of a bendable plate type member.

Abstract: An optical member includes a light guide plate, a wavelength conversion layer, and a reflective tape. The wavelength conversion layer is disposed on an upper surface of the light guide plate. The reflective tape includes a first side portion covering first side surfaces of the light guide plate and the wavelength conversion layer. The reflective tape includes a first surface and a second surface. The first surface is configured to reflect light of a first wavelength band and light of a second wavelength band different from the first wavelength band. The second surface is configured to absorb the light of the first wavelength band.

Abstract: There are provided a memory system and an operating method thereof. The memory system includes: a memory device for storing data in a program operation, and reading stored data and temporarily store the read data in a read operation; and a controller for transmitting data to the memory device, wherein the controller includes: a flash direct memory access (DMA) for reading and outputting the data temporarily stored in the memory device in the read operation; a buffer memory for storing the data output from the flash DMA; and a host DMA for reading the data stored in the buffer memory and outputting the read data to a host, wherein a first operation of storing the data temporarily stored in the memory device in the buffer memory and a second operation of outputting the data stored in the buffer memory to the host are performed in parallel.

Abstract: A memory system may include a first memory and a second memory. The second memory may have a characteristic different from the first memory. The memory system may include a data attribute determination circuit configured to determine an attribute on data to be stored. The memory system may include a memory selection circuit configured to selectively store parity information on the data in the first memory or the second memory, based on the attribute of the data.

Abstract: A memory system includes a nonvolatile memory device, a buffer memory device storing logical-physical address mapping information, and a memory controller controlling operations of the nonvolatile and buffer memory devices. The memory controller comprises a cache memory, a host control circuit, a flash translation section, and a flash control circuit. The host control circuit receives a read command and a read logical address from a host, reads mapping information corresponding to the read logical address from the buffer memory device, and caches the mapping information in the cache memory, the mapping information corresponding to the logical-physical address mapping information stored in the buffer memory device. The flash translation section reads a read physical address mapped to the read logical address from the mapping information. The flash control circuit reads data corresponding to the read command from the nonvolatile memory device based on the read physical address.

Abstract: A controller includes a host command sensor suitable for generating a target ratio between first typed host commands and second typed host commands; an output command generator suitable for generating first and second typed output commands respectively corresponding to the first and second typed host commands; and an arbiter suitable for sequentially transmitting the first and second typed output commands from the output command queue to a channel, and generating a channel ratio between first and second typed output commands transmitted from the output command queue to the channel. The arbiter transmits one of the first and second typed output commands from the output command queue to the channel by comparing the channel ratio with the target ratio.

Abstract: A light source module includes a substrate, a light source mounted on the substrate, an optical device disposed on the light source, a support extending from a surface of the optical device facing the light source and fixed to the substrate, and a protrusion extending from and around a side surface of the support.

Abstract: A ball installed in a ball valve is provided. The ball includes: a ball main body including a penetrating hole penetrating from a front portion to a rear portion thereof and having a predetermined diameter, and a concave recess formed on an upper portion thereof to be coupled to a stem of the ball valve; and insert members coupled to a left side and a right side of the ball main body, wherein the insert members are coupled to the ball main body, such that, when the ball is installed in the ball valve and is placed in a position for closing the ball valve, each of the insert members covers a region of the ball contacting a seat of the ball valve, wherein the insert members are formed of a super hardness material.

Abstract: There are provided a memory system and an operating method thereof. In a method for operating a memory system, the method includes generating a write request for write data; reading chunk data from a buffer memory in response to the write request; caching the chunk data in a cache memory; generating a read request for read data; and outputting a portion of the cached chunk data as the read data from the cache memory when the read data is included in the cached chunk data.

Abstract: A backlight unit includes a light guide plate that includes an upper surface, at least one side surface, and an inclined portion disposed at an edge between the upper surface and the at least one side surface, and an optical member that includes a protruding portion disposed on the inclined portion of the light guide plate.

Abstract: Provided are a composite optical sheet and a liquid crystal display device including the same.

Abstract: The present disclosure relates to a method for cultivating coffee bean with improved growth and contents of nutritional ingredients, including: (a) a step of preparing diluted deep sea water by mixing undiluted deep sea water with water; and (b) a step of irrigating coffee tree with the diluted deep sea water prepared in the step (a), coffee bean with improved growth and contents of nutritional ingredients, cultivated by the method, and a processed food using the coffee bean.

Abstract: A method for operating a data storage device including a nonvolatile memory device and first and second type decoders includes: obtaining a plurality entry values of total power consumption value of the first and second type decoders respectively based on a plurality entry values of decoding performance information of the first type decoders; choosing a minimum value among the plurality entry values of total power consumption value; generating first and second decoding control information according to the minimum value in order to control the first and second type decoders; updating the decoding performance information at each of the decoding operations of the first and second type decoders; and repeating the obtaining of the total power consumption value, the choosing of the minimum value, and the generating of the first and second decoding control information based on the updated decoding performance information.

Abstract: A structure for mounting an engine mount, may include bracket which is coupled to the engine mount, and may have at least one mounting hole; an insulator which may have a pipe shape having a center hole, includes a material having elasticity, and is fitted into the at least one mounting hole; and a fixing pipe which is fitted into the center hole, and mounted in the at least one mounting hole together with the insulator, in which a recessed portion having a partially cut out shape or a recessed shape is formed along a circumference of the insulator at a first side of the insulator.

Abstract: A structure for mounting an engine mount, may include bracket which is coupled to the engine mount, and may have at least one mounting hole; an insulator which may have a pipe shape having a center hole, includes a material having elasticity, and is fitted into the at least one mounting hole; and a fixing pipe which is fitted into the center hole, and mounted in the at least one mounting hole together with the insulator, in which a recessed portion having a partially cut out shape or a recessed shape is formed along a circumference of the insulator at a first side of the insulator.

Abstract: Disclosed herein is a detector that detects precision in charging current of a battery cell charging and discharging device, the detector including an instrument unit and a power supply unit, wherein the instrument unit includes a housing formed in a box shape open at a top thereof and a plurality of voltage measurement parts including a pair of connection terminals mounted at opposite sides of the housing inside the housing to detect precision in current of the charging and discharging device, the connection terminals being electrically connected to the power supply unit, and shunt resistance parts to apply uniform resistance to the respective connection terminals, and the power supply unit includes a charging and discharging device to supply current to the voltage measurement parts and to charge and discharge a battery cell and a multi-meter to measure current and voltage of the shunt resistance parts.

Abstract: A stabilizer for camera shooting, which enables correction of a position of a camera module, includes a frame having an inner space, a plurality of camera modules mounted on the frame, each of the plurality of camera modules including a lens for shooting an outside of the frame, a first brushless motor arranged in the inner space and rotating the frame around a first rotation axis, and a second brushless motor arranged in the inner space and rotating the frame around a second rotation axis crossing the first rotation axis on a same plane, in which the frame is rotatably coupled to the first brushless motor via a first shaft, the frame capable of rotating with respect to the first brushless motor, and a height of each lens in a Z-axis direction is within a range of a shortest dimension in a transverse direction between the frame and a center of the inner space of the frame with respect to the first shaft.