Abstract: A heat exchange unit for a ventilation device includes: a case having a first inlet port through which first air is sucked and a second outlet port through which second air is discharged formed on a front side, and a first outlet port through which the first air is discharged and a second inlet port through which the second air is sucked formed on a back side; and heat exchangers having a first air passage through which the first air passes and a second air passage through which the second air passes formed thereon. A first separation plate for separating the first inlet port and the second outlet port is installed in the height direction on the front side of the case. A second separation plate for separating the second inlet port and the first outlet port is installed in the height direction on the other side of the case.

Abstract: An electrolyte for a secondary battery is provided. The electrolyte for a secondary battery according to an embodiment of the present invention comprises: a non-aqueous organic solvent including propyl propionate (PP) and ethyl propionate (EP); a lithium salt; and an additive. The lithium salt is contained in a concentration of 0.6-1.6 M. Accordingly, when the electrolyte is applied to a battery and a flexible battery, excellent discharge performance can be exhibited in extremely low temperature and high temperature. In addition, the flexible battery of the present invention can prevent or minimize the deterioration of physical properties required as a battery even if repeated bending occurs. Such an electrolyte for a secondary battery of the present invention can be applied to various fields which require high discharge capacity at extremely low temperature and high temperature.

Abstract: An insulation sheet for a display light source is provided. An insulation sheet for a display light source according to an embodiment of the present invention is provided on an opposite surface opposite to a circuit board mounting surface on which multiple LED elements configuring a light source of a display are mounted while being spaced a predetermined interval apart from each other, so as to block heat generated from the multiple LED elements from being transmitted in a direction perpendicular to the opposite surface. Accordingly, the insulation sheet can minimize vertical transfer of received heat as well as reducing the heating level of the multiple LED elements, and is thus advantageous in minimizing or preventing heat transfer in an undesirable direction and/or of an undesirable amount.

Abstract: A waterproof sound-transmitting sheet is disclosed. The waterproof sound-transmitting sheet comprises: a waterproof sound-transmitting layer having a waterproofing function and configured to transmit a sound; a first adhesive layer attached to a first surface of the waterproof sound-transmitting layer; and a second adhesive layer attached to a second surface of the waterproof sound-transmitting layer, opposite to the first surface, wherein the waterproof sound-transmitting layer comprises: a pore-free layer having no pores; and a porous layer laminated on the pore-free layer and containing pores.

Abstract: Provided is yarn for a cell culture scaffold. The yarn for a cell culture scaffold according to an exemplary embodiment of the present invention includes slitting yarn produced by cutting a compressed nanofiber web to a predetermined width. Accordingly, by creating microenvironments suitable for migration, proliferation and differentiation of cells, cell viability may be enhanced and cells may be three-dimensionally proliferated. In addition, a scaffold according to the present invention has a mechanical strength sufficient for prevention of disruption of the scaffold which occurs during cell culture, such that cells may be stably proliferated. Further, the scaffold according to the present invention uses slitting yarn formed of the compressed nanofiber web, thereby having pores with various sizes, and therefore cell proliferation and cell viability may be enhanced by creation of an extracellular matrix-like environment.

Abstract: A filter module for a gravity-based water purification device is provided. A filter module for a gravity-based water purification device, according to one embodiment of the present invention, comprises: a support frame including a loop-shaped edge member, which includes an empty space of which both sides are open, and a dividing member, which is coupled to the edge member so as to enable the empty space to be divided into a plurality of storage spaces; a pair of filtering members which are formed in a plate shape having a predetermined area, and which are coupled to the support frame so as to enable filtered water to be produced from raw water moving from the outside toward the plurality of storage spaces; and water-collecting ports for discharging, to the outside, the filtered water stored in the plurality of storage spaces, wherein the plurality of storage spaces communicate with each other through at least one communication passage formed at the dividing member.

Abstract: Disclosed is a waterproof sound-transmitting sheet. The waterproof sound-transmitting sheet comprises: a waterproof sound-transmitting layer having a waterproof function and configured to transmit sound; a first adhesive layer attached to the upper surface of the waterproof sound-transmitting layer; and a second adhesive layer attached to the lower surface, opposite the upper surface, of the waterproof sound-transmitting layer. The second adhesive layer includes a communication groove for communicating an inner space of the waterproof sound-transmitting layer and the space outside the waterproof sound-transmitting sheet, wherein in the inner space of the waterproof sound-transmitting layer is surrounded by the waterproof sound-transmitting layer and the second adhesive layer.

Abstract: A gravity type water-purifying device is provided.

Abstract: A manufacturing method for a flexible battery including injecting an electrolyte into an opening of an exterior material accommodating an electrode assembly contained therein and impregnating the electrode assembly with the electrolyte through a pressure difference inside the exterior material; and a sealing step of sealing the opening. Because the electrode assembly provided in the battery can be completely impregnated with an electrolyte, no spot occurs on the surface of a negative electrode filled with the electrolyte. In addition, the flexible battery can prevent or minimize deterioration of physical characteristics that the battery is required to exhibit, even if repeated bending occurs.

Abstract: Provided is a wearable device. A wearable device according to an exemplary embodiment of the present invention comprises: a main body part including a display unit for augmented reality or virtual reality; a wearing part for maintaining the worn state of the main body part so that the display unit can be disposed on a user's face; a battery part coupled to the wearing part and including a first battery that serves as a main battery providing driving power to the main body part, and a second battery that serves as an auxiliary battery supporting the first battery; and an operation part provided in the wearing part to enable the removal of the second battery from the wearing part during a user's operation.

Abstract: An air bubble removal device for removing air bubbles from a medium including a housing including an inner space for storing a predetermined amount of the medium, an introduction port through which the medium is introduced from the outside into the inner space, and a discharge port through which the medium in a state in which air bubbles have been removed is discharged from the inner space to the outside; and a support part coupled to the housing so as to maintain the housing in a state spaced a predetermined height from a bottom surface.

Abstract: A ventilation cap according to the present disclosure includes a body, a ventilation filter, a cover member, and legs. A first vent hole is defined in the body, and the ventilation filter is disposed on the body to cover the first vent hole. The cover member is coupled to the body to cover the ventilation filter, and the legs are formed beneath the body and are spaced apart from each other around the first vent hole. Further, the legs are received in a hole defined in a target housing to be coupled to the target housing, and a second vent hole communicating with the first vent hole is defined in a side portion of the cover member.

Abstract: The present invention relates to a brazing ribbon and a method for manufacturing same, and comprises a release film, a seed layer formed on an upper surface of the release film, and a brazing alloy layer formed on an upper surface of the seed layer and is manufactured into a ribbon. The present invention is advantageous in that, since a brazing filler is prepared in advance and then attached to a substrate in the form of a strip, time for attaching the brazing filler can be saved, and the convenience of attaching the brazing filler can be improved.

Abstract: A filter medium is provided. According to one embodiment of the present invention, the filter medium is implemented by including: a porous second support and a nanofiber web which are sequentially stacked on each of an upper portion and a lower portion of a first support; and a channel through which a filtrate filtered in the nanofiber web flows in a direction of the first support, wherein the first support, the second support, and the nanofiber web satisfy predetermined conditions on a basis weight and a thickness of each layer. In a water treatment operation of the filter medium, the shape, structural deformation, and damage of the filter medium can be minimized, excellent filtration efficiency can be implemented, and a channel can be smoothly secured, thereby securing high flux. In addition, even at high pressure applied during backwashing, the filter medium has an extended use period due to excellent durability of the filter medium.

Abstract: A cell culture apparatus is provided. A cell culture apparatus according to an exemplary embodiment of the present invention comprises: a housing having an internal space which is filled with a culture medium for cell culture; and a support assembly which is provided in a plate form having a predetermined area, comprises a plurality of supports provided in multiple stages at a certain distance apart from each other in one direction, and is inserted in the internal space in the state where the plurality of supports are coupled to each other via at least one fastening bar.

Abstract: An insulating heat dissipation coating composition including a coating layer-forming component including a subject resin, and an insulating heat dissipation filler. Therefore, the coating composition may have excellent thermal conductivity and excellent thermal emissivity, and therefore an insulating heat dissipation coating layer which exhibits excellent heat dissipation performance and has insulating property may be formed. In addition, the heat dissipation coating layer formed thereby has a very excellent adhesive strength to a surface to be coated so as to significantly prevent peeling of the coating layer during use, and to maintain durability of the coating layer even against a physical or chemical stimulus such as external heat, organic solvent, moisture or shock, which is generated after the coating layer is formed.

Abstract: An electrocoagulation device is provided. An electrocoagulation device comprises: a housing having an inner space; a containing member arranged in the inner space; at least two electrode plates arranged outside the containing member so as to face each other such that power supplied from the outside is applied thereto; and a plurality of conductive lumps having a predetermined volume, which are contained in the containing member so as to contact each other and to form pores through which raw water can pass, wherein contaminants included in the raw water are coagulated through electrocoagulation as the same pass through the pores.

Abstract: A flexible cable jumper structure and manufacturing method thereof. The flexible cable jumper device of the present disclosure includes a cover layer, a first metal layer stacked on the cover layer and having a circuit pattern formed thereon, a first dielectric layer stacked on the first metal layer, a first adhesive layer applied on the first dielectric layer, a second metal layer stacked on the first dielectric layer to which the first adhesive layer is applied and having a circuit pattern formed thereon, a heat-resistant layer stacked on the second metal layer, and a terminal layer formed in one region of the heat-resistant layer and electrically connected to the first metal layer and the second metal layer.

Abstract: Provided is a power semiconductor cooling module for an electric vehicle. The power semiconductor cooling module for an electric vehicle, according to one exemplary embodiment of the present invention, is electrically connected to a motor and comprises: a box-shaped housing part having an inner space; a power element part disposed in the inner space and electrically connected to a motor via at least one busbar; a heat dissipation part disposed in the inner space so as to make contact with the power element part in order to cool heat generated from the power element part; and a heat backflow prevention member disposed so as to surround at least a portion of the total length of the busbar, and disposed so as to make contact with the heat dissipation part.

Abstract: A breathable waterproof sheet, which interposes a support layer having a plurality of holes formed therein, thus preventing a waterproof air-permeable layer from colliding with a pressure sensor by a water pressure. The breathable waterproof sheet includes a waterproof air-permeable layer formed of a film having elasticity, an adhesive layer having one surface adhered to one surface of the waterproof air-permeable layer, and a support layer having a plurality of air-permeable holes formed therein and having one surface adhered to the other surface of the adhesive layer.