Abstract: A stretchable display device includes a first substrate having thereon a display area and a non-display area adjacent to the display area. The stretchable display device includes a plurality of rigid portions provided in the display area on the first substrate and spaced apart from each other in a first direction and a second direction. The stretchable display device includes a soft portion provided between adjacent rigid portions in the first direction or the second direction. The stretchable display device includes a second substrate disposed over the first substrate. A length of the soft portion is smaller than a length of the rigid portion in a direction. The rigid portion and the soft portion are rotated at a rotation angle with respect to the first direction and the second direction.

Abstract: A display device includes: first and second substrates facing and spaced apart from each other; a plurality of third substrates on an inner surface of the first substrate; a plurality of vertical lines between two of the plurality of third substrates adjacent to each other along a first direction; a plurality of horizontal lines between two of the plurality of third substrates adjacent to each other along a second direction crossing the first direction; a plurality of vertical connection lines connecting a first side of one of the plurality of third substrates and the plurality of vertical lines; a plurality of horizontal connection lines connecting a second side adjacent to the first side of the one of the plurality of third substrates and the plurality of horizontal lines; and a plurality of light emitting diodes on the plurality of third substrates, respectively.

Abstract: A stretchable display device includes a first substrate provided with a rigid portion and a soft portion; a thin film transistor in the rigid portion on the first substrate; a planarization layer on the thin film transistor; a stretchable line in the soft portion on the first substrate; an encapsulation layer on the stretchable line; a light-emitting element on the planarization layer and electrically connected to the thin film transistor; and a second substrate spaced apart from the first substrate, wherein a distance between the first substrate and a top surface of the encapsulation layer is greater than a distance between the first substrate and a top surface of the planarization layer.

Abstract: The present invention relates to a polyolefin and a film molded therefrom. Specifically, the present invention relates to a polyolefin, particularly a linear low-density polyethylene, which is prepared by a hybrid catalyst comprising different transition metal compounds and has excellent processability, impact strength, and haze, and to a film prepared therefrom.

Abstract: Disclosed are a virtual golf system, a virtual golf introduction image generation method, and a virtual golf player information calculation method capable of providing a separate introduction image showing two or more users so as to be comparable to each other through record information of a virtual golf game of each of a plurality of users who use the virtual golf system before the plurality of users access the system in order to play the virtual golf game, whereby it is possible to induce users' record competition in the virtual golf game and to provide the users with immersiveness and interest in the game.

Abstract: The present invention relates to a semiconductive resin composition for a high voltage power cable. Specifically, the present invention relates to a semiconductive resin composition comprising a base resin in which ethylene butyl acrylates having different melting indices are mixed, carbon black, an antioxidant, and a crosslinking agent. In addition, the present invention relates to a semiconductive resin composition for a high voltage power cable, the composition having excellent scorch stability and processability and low volume resistance even at a high temperature.

Abstract: The present disclosure relates to a composite resin composition for a geocell or a coral cell. A composite resin composition according to one implementation of the present disclosure has high density and excellent mechanical properties such as tensile strength and elongation, and thus a composite resin molded product obtained therefrom can be effectively used in the manufacturing of a geocell or a coral cell.

Abstract: Provided is a semi-conductive resin composition used in a high voltage power cable, and in particular, a semi-conductive resin composition having excellent processability and mechanical strength, and particularly, having an excellent volume resistance value even at high temperatures by including carbon black, an additive, a crosslinking agent, an oxidizing agent, and a lubricant in addition to a polyolefin-based base resin.

Abstract: Disclosed are a virtual golf system, a virtual golf introduction image generation method, and a virtual golf player information calculation method capable of providing a separate introduction image showing two or more users so as to be comparable to each other through record information of a virtual golf game of each of a plurality of users who use the virtual golf system before the plurality of users access the system in order to play the virtual golf game, whereby it is possible to induce users' record competition in the virtual golf game and to provide the users with immersiveness and interest in the game.

Abstract: The present invention relates to a polyolefin and a film molded therefrom. Specifically, the present invention relates to a polyolefin, particularly a linear low-density polyethylene, which is prepared by a hybrid catalyst comprising different transition metal compounds and has excellent processability, impact strength, and haze, and to a film prepared therefrom.

Abstract: The present invention relates to a high-density ethylene-based polymer comprising an ethylene homopolymer or a copolymer of ethylene and at least one comonomer selected from the group consisting of an ?-olefin, a cyclic olefin, and a straight, branched and cyclic diene. According to the present invention, the high-density polyethylene resin has a wide molecular weight distribution and excellent comonomer distribution characteristics, has excellent melt flowability due to a long chain branched structure, and has excellent mechanical characteristics since the comonomer distribution is concentrated in a high-molecular-weight body. The high-density ethylene polymer of the present invention has excellent molding processability during processing such as extrusion, compression, injection and rotational molding by having excellent mechanical characteristics and melt flowability.

Abstract: The present invention relates to a high-density ethylene-based polymer and a pipe using the same, the high-density ethylene-based polymer including: an ethylene homopolymer; or a copolymer of ethylene and at least one comonomer selected from the group consisting of an ?-olefin, a cyclic olefin and linear, branched and cyclic dienes. The pipe using the high-density ethylene-based polymer of the present invention has more superior strain hardening than a conventional polyethylene resin pipe, and thus has excellent long-term pressure resistance characteristics and processability.

Abstract: A high-density ethylene-based polymer is provided. The high-density ethylene-based polymer contains an ethylene homopolymer or a copolymer of ethylene and at least one comonomer selected from the group consisting of an ?-olefin, a cyclic olefin, and a straight, branched and cyclic diene. The high-density polyethylene resin has a wide molecular weight distribution and excellent comonomer distribution characteristics, has excellent melt flowability due to a long chain branched structure, and has excellent mechanical characteristics since the comonomer distribution is concentrated in a high-molecular-weight body. The high-density ethylene polymer has excellent molding processability during processing such as extrusion, compression, injection and rotational molding by having excellent mechanical characteristics and melt flowability.

Abstract: The present invention relates to a high-density ethylene-based polymer comprising: an ethylene homopolymer; or a copolymer of ethylene and at least one comonomer selected from the group consisting of ?-olefins, cyclic olefins and linear, branched and cyclic dienes. According to the present invention, the high-density ethylene-based polymer has a wide molecular weight distribution and excellent comonomer distribution characteristics, has excellent melt flowability due to a long chain branched structure, and has excellent mechanical characteristics since the comonomer distribution is concentrated in a high-molecular-weight body. The high-density ethylene polymer of the present invention has excellent molding processability during processing such as extrusion, compression, injection and rotational molding by having excellent mechanical characteristics and melt flowability.

Abstract: The present invention relates to a high-density ethylene-based polymer and a pipe using the same, the high-density ethylene-based polymer including: an ethylene homopolymer; or a copolymer of ethylene and at least one comonomer selected from the group consisting of an ?-olefin, a cyclic olefin and linear, branched and cyclic dienes. The pipe using the high-density ethylene-based polymer of the present invention has more superior strain hardening than a conventional polyethylene resin pipe, and thus has excellent long-term pressure resistance characteristics and processability.

Abstract: The present invention relates to a novel Group 4 transition metal compound, a method for preparing the compound, a catalyst composition comprising the compound, and a method for preparing a polyolefin comprising performing a polymerization reaction of olefin monomers, in the presence of the catalyst composition. Since the Group 4 transition metal compound of the present invention exhibits an excellent catalytic activity in polyolefin synthesis reactions, as well as having excellent thermal stability, it can be used for polyolefin synthesis reactions at high temperatures, and by changing the type of a central metal and ligand, the weight average molecular weight of synthesized polyolefins and the octene content in the polymer can be controlled. Therefore, it can be effectively used in polyolefin synthesis processes in which grades are controlled.

Abstract: The present invention relates to a novel Group 4 transition metal compound, a method for preparing the compound, a catalyst composition comprising the compound, and a method for preparing a polyolefin comprising performing a polymerization reaction of olefin monomers, in the presence of the catalyst composition. Since the Group 4 transition metal compound of the present invention exhibits an excellent catalytic activity in polyolefin synthesis reactions, as well as having excellent thermal stability, it can be used for polyolefin synthesis reactions at high temperatures, and by changing the type of a central metal and ligand, the weight average molecular weight of synthesized polyolefins and the octene content in the polymer can be controlled. Therefore, it can be effectively used in polyolefin synthesis processes in which grades are controlled.

Abstract: A high-density ethylene-based polymer is provided. The high-density ethylene-based polymer contains an ethylene homopolymer or a copolymer of ethylene and at least one comonomer selected from the group consisting of an ?-olefin, a cyclic olefin, and a straight, branched and cyclic diene. The high-density polyethylene resin has a wide molecular weight distribution and excellent comonomer distribution characteristics, has excellent melt flowability due to a long chain branched structure, and has excellent mechanical characteristics since the comonomer distribution is concentrated in a high-molecular-weight body. The high-density ethylene polymer has excellent molding processability during processing such as extrusion, compression, injection and rotational molding by having excellent mechanical characteristics and melt flowability.

Abstract: The present invention relates to a high-density ethylene-based polymer comprising an ethylene homopolymer or a copolymer of ethylene and at least one comonomer selected from the group consisting of an ?-olefin, a cyclic olefin, and a straight, branched and cyclic diene. According to the present invention, the high-density polyethylene resin has a wide molecular weight distribution and excellent comonomer distribution characteristics, has excellent melt flowability due to a long chain branched structure, and has excellent mechanical characteristics since the comonomer distribution is concentrated in a high-molecular-weight body. The high-density ethylene polymer of the present invention has excellent molding processability during processing such as extrusion, compression, injection and rotational molding by having excellent mechanical characteristics and melt flowability.

Abstract: The present invention relates to a high-density ethylene-based polymer comprising: an ethylene homopolymer; or a copolymer of ethylene and at least one comonomer selected from the group consisting of ?-olefins, cyclic olefins and linear, branched and cyclic dienes. According to the present invention, the high-density ethylene-based polymer has a wide molecular weight distribution and excellent comonomer distribution characteristics, has excellent melt flowability due to a long chain branched structure, and has excellent mechanical characteristics since the comonomer distribution is concentrated in a high-molecular-weight body. The high-density ethylene polymer of the present invention has excellent molding processability during processing such as extrusion, compression, injection and rotational molding by having excellent mechanical characteristics and melt flowability.