Abstract: Disclosed herein is a battery module. The battery module case can include a stepped structure to increase the bonding forces between components of the case to improve yield of a battery module. The battery module can include a main body with a bottom plate connected to first and second side surfaces at opposite lateral portions. The case can include a first end plate and a second end plate to connect to the main body and cover the front and rear surfaces. A cover plate can enclose the upper surface of the main body. The stepped structure can be along an edge of the bottom plate to connect with the first and second end plate.

Abstract: A pouch-type battery case according to an embodiment of the present invention can include a cup part configured to accommodate an electrode assembly of stacked electrodes and separators. The cup part comprises a plurality of outer walls forming a periphery of the cup part, and a plurality of die edges connecting the plurality of outer walls to a side or degassing part. At least one of the die edges can be rounded to define a curvature radius of 1 mm or less. The cup part can have a depth of 6.5 mm or less.

Abstract: An embodiment of the present invention relates to a cylindrical secondary battery, and the cylindrical secondary battery may comprise: a cylindrical can; an electrode assembly which includes a first electrode plate, a second electrode plate, and a separator wound together and is accommodated in the can; and a cap assembly which is insulated from the can, is electrically connected to the electrode assembly, and has a hole formed therethrough to communicate with the inside of the can. According to the embodiment of the present invention, a degassing function is applied so that gas generated before product delivery can be removed and thus deformation of the can and the cap assembly can be reduced. In addition, the occurrence of swelling of the electrode assembly due to internal gas generation can be prevented and thus performance degradation of the secondary battery can be reduced.

Abstract: Provided is a method for forming a SiCN thin film. The method includes the steps of: loading a target wafer onto a chuck heater located inside a chamber; operating the chuck heater to allow the target wafer to be heated to a target deposition temperature in the range of 200 to 550° C.; setting a target process pressure in the chamber to 2.0 to 10.0 Torr; and injecting a gas for plasma excitation and first and second reaction gases for forming the SiCN thin film into the chamber set to the target deposition temperature and the target process pressure to allow the SiCN thin film to have a refractive index in the range of 1.80 to 2.40.

Abstract: A converter module according to an embodiment of the present invention comprises: a heat dissipation member of a plate shape, having a flow path therein; a first module arranged on one surface of the heat dissipation member; and a second module arranged on the other surface of the heat dissipation member, wherein the heat dissipation member is formed integrally with the flow path inserted therein.

Abstract: The present embodiment relates to a DC-DC converter including: a housing; a plurality of electronic components disposed inside the housing; and a flow path disposed on a lower plate of the housing. The flow path includes an expanding portion. The horizontal width of the expanding portion is greater than the horizontal width of a flow path on the front end of the expanding portion, and the vertical width of the expanding portion is less than the vertical width of the flow path on the front end of the expanding portion. The differential between the part wherein the surface area of the vertical cross section of the flow path is the biggest and the part wherein the surface area of the vertical cross section of the flow path is the smallest is 10% or less.

Abstract: The battery case according to one embodiment may comprise: a base plate member; a support member which surrounds the base plate member, has a closed cross-section, and supports the base plate member; and an absorption member which is coupled to the outside of the support member so as to form a closed cross-section and absorbs external impacts.

Abstract: The present embodiment relates to a DC-DC converter including: a housing; a plurality of electronic components disposed inside the housing; and a flow path disposed on a lower plate of the housing. The flow path includes an expanding portion. The horizontal width of the expanding portion is greater than the horizontal width of a flow path on the front end of the expanding portion, and the vertical width of the expanding portion is less than the vertical width of the flow path on the front end of the expanding portion. The differential between the part wherein the surface area of the vertical cross section of the flow path is the biggest and the part wherein the surface area of the vertical cross section of the flow path is the smallest is 10% or less.

Abstract: A converter comprises: a housing; a plurality of heat generating elements arranged at one surface of the housing; and a fluid channel arranged at the other surface of the housing, wherein the fluid channel includes an inlet and an outlet which connect and pass through an outside and an inside of the housing, is formed by a single line from the inlet to the outlet, has a constant cross-sectional area, and is arranged at a position where the fluid channel overlaps the plurality of heat generating elements in a vertical direction.

Abstract: An electronic apparatus for displaying an image by using visual afterimage of a light source, the apparatus comprises a communication unit performing data communication to a light source; a control unit controlling light emission of the light source; a body storing the communication unit and the control unit; and a fixing unit for attaching the body on a body of a user, wherein the light source provides an image based on changes in spatial position of the light source.

Abstract: The present embodiment relates to a DC-DC converter comprising: a housing; a plurality of electronic components disposed inside the housing; and a flow path disposed on a lower plate of the housing. The flow path comprises an expanding portion. The horizontal width of the expanding portion is greater than the horizontal width of a flow path on the front end of the expanding portion, and the vertical width of the expanding portion is less than the vertical width of the flow path on the front end of the expanding portion. The differential between the part wherein the surface area of the vertical cross section of the flow path is the biggest and the part wherein the surface area of the vertical cross section of the flow path is the smallest is 10% or less.

Abstract: A converter comprises: a housing; a plurality of heat generating elements arranged at one surface of the housing; and a fluid channel arranged at the other surface of the housing, wherein the fluid channel includes an inlet and an outlet which connect and pass through an outside and an inside of the housing, is formed by a single line from the inlet to the outlet, has a constant cross-sectional area, and is arranged at a position where the fluid channel overlaps the plurality of heat generating elements in a vertical direction.

Abstract: A converter comprises: a housing; a plurality of heat generating elements arranged at one surface of the housing; and a fluid channel arranged at the other surface of the housing, wherein the fluid channel includes an inlet and an outlet which connect and pass through an outside and an inside of the housing, is formed by a single line from the inlet to the outlet, has a constant cross-sectional area, and is arranged at a position where the fluid channel overlaps the plurality of heat generating elements in a vertical direction.

Abstract: The present invention relates to a cutting process simulation method and a system thereof which can efficiently optimize the decommissioning process of a nuclear facility, thereby saving costs and time and ensuring safety in the decommissioning process. The cutting process simulation system, according to one embodiment of the present invention, may comprise: a display unit: and a control unit which cuts a cutting target in a nuclear facility by using a design program, displays the cut shape on the display unit, and predicts the amount of secondary waste generated in the process of cutting the cutting target.

Abstract: A converter comprises: a housing; a plurality of heat generating elements arranged at one surface of the housing; and a fluid channel arranged at the other surface of the housing, wherein the fluid channel includes an inlet and an outlet which connect and pass through an outside and an inside of the housing, is formed by a single line from the inlet to the outlet, has a constant cross-sectional area, and is arranged at a position where the fluid channel overlaps the plurality of heat generating elements in a vertical direction.

Abstract: The present embodiment relates to a DC-DC converter comprising: a housing; a plurality of electronic components disposed inside the housing; and a flow path disposed on a lower plate of the housing. The flow path comprises an expanding portion. The horizontal width of the expanding portion is greater than the horizontal width of a flow path on the front end of the expanding portion, and the vertical width of the expanding portion is less than the vertical width of the flow path on the front end of the expanding portion. The differential between the part wherein the surface area of the vertical cross section of the flow path is the biggest and the part wherein the surface area of the vertical cross section of the flow path is the smallest is 10% or less.

Abstract: Disclosed herein is an apparatus for driving rear-wheels of an environment-friendly vehicle. The apparatus for driving rear-wheels may include: a rear-wheel driver including a first motor and a second motor configured to respectively drive first and second rear wheels; a rear-wheel reducer configured to decelerate drive forces of the first and second motors and transmit the respective decelerated drive forces to the first and second rear wheels; a brake configured to releasably fix the rear-wheel reducer to a vehicle body; and a controller configured to control the rear-wheel driver, the rear-wheel reducer, and the brake. The rear-wheel reducer may include: a first planetary gear set disposed between an output end of the first motor and the first rear wheel; a second planetary gear set disposed between an output end of the second motor and the second rear wheel; and a ring gear coupled to the first and second planetary gear sets.

Abstract: An electronic apparatus for displaying an image by using visual afterimage of a light source, the apparatus comprises a communication unit performing data communication to a light source; a control unit controlling light emission of the light source; a body storing the communication unit and the control unit; and a fixing unit for attaching the body on a body of a user, wherein the light source provides an image based on changes in spatial position of the light source.

Abstract: A rear-wheel drive apparatus of an eco-friendly vehicle is capable of improving the longitudinal driving force and handling performance of a vehicle by independently driving both rear wheels of the vehicle using a plurality of drive motors.

Abstract: A light emitting device that includes a conductive substrate, an insulating layer on the conductive substrate, a plurality of light emitting device cells on the insulating layer, a connection layer electrically interconnecting the light emitting device cells, a first contact section electrically connecting the conductive substrate with at least one light emitting device cell, and a second contact section on the at least one light emitting device cell.