Abstract: The present invention relates to stem cell-derived mature cardiomyocytes and a cardiovascular disease model using same and, more specifically, to differentiation into mature ventricular cardiomyocytes by culturing stem cells in a medium containing FGF4 and ascorbic acid, and use of the differentiated mature ventricular cardiomyocytes as a cardiovascular disease cell model. The mature ventricular cardiomyocytes, obtained by culturing stem cells in a medium containing FGF4 and ascorbic acid and inducing the differentiation thereof, and cardiovascular disease cell model using same according to the present invention are very useful for screening for cardiovascular disease therapeutic agents and evaluation of the toxicity of new drugs.

Abstract: A cutting apparatus according to the present disclosure includes a cutting roller including a cutting body having a cylindrical shape and configured to rotate about an axis defined in a leftward/rightward direction, and cutting blades protruding outward in a radial direction of the cutting body further than a surface of the cutting body to cut an edible food product provided in a forward/rearward direction, and a cutting base part disposed at a position facing the cutting roller based on the edible food product to support the edible food product to be cut by the cutting roller.

Abstract: The present invention relates to an apparatus and method for encoding and decoding an image by skip encoding. The image-encoding method by skip encoding, which performs intra-prediction, comprises: performing a filtering operation on the signal which is reconstructed prior to an encoding object signal in an encoding object image; using the filtered reconstructed signal to generate a prediction signal for the encoding object signal; setting the generated prediction signal as a reconstruction signal for the encoding object signal; and not encoding the residual signal which can be generated on the basis of the difference between the encoding object signal and the prediction signal, thereby performing skip encoding on the encoding object signal.

Abstract: The present invention relates to a bottom with optional auxiliary pants, the bottom being configured to allow portions corresponding to outseams from the top of the waistband to the bottoms of the hems of a bottom body to be open and to fix detachable fastening members to the open edges of the outseams, the bottom including: first connectors formed on whole or portions of the outer peripheries of bottom ends thereof; and the auxiliary pants with fastening portions formed on top ends thereof and selectively fastened to the first connectors.

Abstract: A detachable seat wireless power transfer and communication system includes: a seat assembly including a seat receiver configured to receive power wirelessly and a seat controller to control the seat receiver; a vehicle assembly spaced apart from the seat assembly at a lower end of the seat assembly; a front hook spaced apart from the seat assembly at a lower end of a front portion of the seat assembly in a length direction to fix a first end of the seat assembly to a vehicle body; a rear latch spaced apart from the seat assembly at a lower end of a rear portion of the seat assembly in the length direction to fix a second end of the seat assembly to the vehicle body; and a front hook switch spaced apart from the vehicle assembly. The vehicle assembly includes a vehicle transmitter configured to wirelessly transmit the power to the seat assembly, and a vehicle controller configured to control the vehicle transmitter.

Abstract: The present invention relates to a self-customized microLED wig. More specifically, one self-customized microLED wig comprises: a base plate (100) wrapped around the circumference of a wearer's head; hair parts (200) configured on the base plate; and a transparent microLED display skin (300) configured to cover the outer surfaces of the hair parts, wherein a master part (400) and a remote slave (500) are configured inside the base plate (100) so as to control the transparent microLED display skin (300), and a smart phone (600) is configured to enable the wearer to finally and selectively control the transparent microLED display skin (300), whereby the present invention is a useful invention which enables colors of the hair parts (200) to be variously changed according to the wearer's current situation.

Abstract: The present invention relates to a self-customizable micro LED garment capable of changing colors and patterns like a TV screen and, more particularly, to a useful invention comprising: a garment (100) composed of upper and lower garments (110, 120) worn on a wearer's body; a transparent micro LED display skin (300) coated on the surface of the garment (100); a master unit (400) and a remote slave (500) inside the upper and lower garments (110, 120) of the garment (100); and a smartphone (600), wherein the transparent micro LED display skin (300) is selectively controlled by means of an application installed on the smartphone (600) by the wearer to express a variety of colors according to the current situation of the wearer.

Abstract: The present invention relates to a self-customizable microLED accessory and, more specifically, to a useful invention comprising: an illuminatable accessory (100) to be worn on a specific body part of wearers in order to highlight the corresponding part; a driving means (200); a transparent microLED display skin (300) coated on the surface of the accessory (100); a master part (400) and a remote slave (500) provided in the accessory (100); and a smart phone (600), wherein the wearers use an application of the smart phone (600) so as to selectively control the transparent microLED display skin (300), thereby enabling continuous changing and expressing of various colors and patterns according to the current circumstances of the wearers.

Abstract: The present invention relates to a self-customizable micro LED garment capable of changing colors and patterns like a TV screen and, more particularly, to a useful invention comprising: a garment (100) composed of upper and lower garments (110, 120) worn on a wearer's body; a transparent micro LED display skin (300) coated on the surface of the garment (100); a master unit (400) and a remote slave (500) inside the upper and lower garments (110, 120) of the garment (100); and a smartphone (600), wherein the transparent micro LED display skin (300) is selectively controlled by means of an application installed on the smartphone (600) by the wearer to express a variety of colors according to the current situation of the wearer.

Abstract: The present invention relates to eyeglasses having a selectively detachable pattern layer, and relates to a technology wherein one or more pattern layers having variously shaped images are attached on a surface of a main lens or an auxiliary lens to satisfy wearers' needs and provide convenience for wearers, allow wearer to show off his or her own individuality or expression, and induce curiosity and interest of a viewer, and a support is provided to reduce friction between the main lens or the auxiliary lens and the pattern layer.

Abstract: A detachable seat wireless power transfer and communication system includes: a seat assembly including a seat receiver configured to receive power wirelessly and a seat controller to control the seat receiver; a vehicle assembly spaced apart from the seat assembly at a lower end of the seat assembly; a front hook spaced apart from the seat assembly at a lower end of a front portion of the seat assembly in a length direction to fix a first end of the seat assembly to a vehicle body; a rear latch spaced apart from the seat assembly at a lower end of a rear portion of the seat assembly in the length direction to fix a second end of the seat assembly to the vehicle body; and a front hook switch spaced apart from the vehicle assembly. The vehicle assembly includes a vehicle transmitter configured to wirelessly transmit the power to the seat assembly, and a vehicle controller configured to control the vehicle transmitter.

Abstract: The present invention relates to self-customized glasses. The self-customized glasses allow a wearer to assemble essential parts of the glasses in a self-customized type, can allow the wearer to make glasses with various forms according to the wearer's taste since allowing the wearer to select colors, patterns or designs of essential parts of the glasses by applying various custom-assembly forms or micro LED display skins to the essential parts, and provide rimless glasses with feelings of rimless glasses, half-rim glasses and full-rim glasses.

Abstract: Provided is a method of preparing poly(alkylene carbonate) using a molecular weight regulator in a process of preparing a copolymer of carbon dioxide/epoxide using a novel complex synthesized from salen-type ligand including a quaternary ammonium salt as a catalyst. According to the present invention, even though the molecular weight regulator is used, an activity of the catalyst may be stably maintained, whereby the low molecular weight of poly(alkylene carbonate) having a desirable level may be effectively provided. In addition, it is expected that since the novel complex as the catalyst of the present invention has a simple structure as compared to the existing copolymerization catalyst, due to the economical preparation cost thereof, the novel complex may be effectively applied to a large-scale commercial process.

Abstract: The present invention relates to eyeglasses having a selectively detachable pattern layer, and relates to a technology wherein one or more pattern layers having variously shaped images are attached on a surface of a main lens or an auxiliary lens to satisfy wearers' needs and provide convenience for wearers, allow wearer to show off his or her own individuality or expression, and induce curiosity and interest of a viewer, and a support is provided to reduce friction between the main lens or the auxiliary lens and the pattern layer.

Abstract: A semiconductor package separating device is provided. The semiconductor package separating device includes a die configured to support a lead frame array including a fixing portion inserted into an insertion groove formed on at least a side surface of a semiconductor package to support the semiconductor package; and a cylindrical punch configured to rotate in a rotational direction, the cylindrical punch including a bending protrusion and a package separating protrusion that are provided on an outer circumferential surface of the cylindrical punch, the bending protrusion being configured to apply pressure to the fixing portion to bend the fixing portion, and the package separating protrusion being configured to apply pressure to the semiconductor package to separate the semiconductor package from the lead frame array in a state in which the fixing portion has been bent by the bending protrusion.

Abstract: A relaxing seat for a vehicle may include a fixed rail fixed to a vehicle body; a first moving rail coupled to the fixed rail; a second moving rail coupled to the first moving rail; a back link rotatably coupled to the fixed rail and a seat back frame; a cushion rear-side link including first and second end portions, wherein the first end portion is rotatably coupled to a portion at which a lower end portion of the seat back frame and a rear end portion of a seat cushion frame are rotatably coupled to each other, and the second end portion is rotatably coupled to the first moving rail; and a cushion front-side frame including a first end portion and a second end portion, wherein the first end portion is rotatably coupled to a front end portion of the seat cushion frame, and the second end portion of which is fixedly coupled to the second moving rail.

Abstract: A seat position adjustment apparatus for a vehicle may include fixed rails fixed on a bottom plane; first sliding rails configured to slide in forward and backward directions on the fixed rails respectively, and provided with cushion links rotatably coupled to the cushion frame; second sliding rails configured to move with the first sliding rails and slide on and protrude from the first sliding rails, and formed to support the cushion frame with the cushion links; a driving device mounted to the first sliding rails or the second sliding rails and configured to transmit power to the first sliding rails and the second sliding rails; and a seat back link rotatably mounted on the bottom plane or the fixed rails and rotatably coupled to and supporting a seat back frame.

Abstract: A relaxing seat for a vehicle may include a fixed rail fixed to a vehicle body; a first moving rail coupled to the fixed rail; a second moving rail coupled to the first moving rail; a back link rotatably coupled to the fixed rail and a seat back frame; a cushion rear-side link including first and second end portions, wherein the first end portion is rotatably coupled to a portion at which a lower end portion of the seat back frame and a rear end portion of a seat cushion frame are rotatably coupled to each other, and the second end portion is rotatably coupled to the first moving rail; and a cushion front-side frame including a first end portion and a second end portion, wherein the first end portion is rotatably coupled to a front end portion of the seat cushion frame, and the second end portion of which is fixedly coupled to the second moving rail.

Abstract: A seat position adjustment apparatus for a vehicle may include fixed rails fixed on a bottom plane; first sliding rails configured to slide in forward and backward directions on the fixed rails respectively, and provided with cushion links rotatably coupled to the cushion frame; second sliding rails configured to move with the first sliding rails and slide on and protrude from the first sliding rails, and formed to support the cushion frame with the cushion links; a driving device mounted to the first sliding rails or the second sliding rails and configured to transmit power to the first sliding rails and the second sliding rails; and a seat back link rotatably mounted on the bottom plane or the fixed rails and rotatably coupled to and supporting a seat back frame.

Abstract: A semiconductor package separating device is provided. The semiconductor package separating device includes a die configured to support a lead frame array including a fixing portion inserted into an insertion groove formed on at least a side surface of a semiconductor package to support the semiconductor package; and a cylindrical punch configured to rotate in a rotational direction, the cylindrical punch including a bending protrusion and a package separating protrusion that are provided on an outer circumferential surface of the cylindrical punch, the bending protrusion being configured to apply pressure to the fixing portion to bend the fixing portion, and the package separating protrusion being configured to apply pressure to the semiconductor package to separate the semiconductor package from the lead frame array in a state in which the fixing portion has been bent by the bending protrusion.