Abstract: A thermoplastic resin composition of the present invention comprises: about 100 parts by weight of a polyester resin; about 5-25 parts by weight of a polycarbonate resin; about 50-150 parts by weight of a flat-type glass fiber; about 1.5-15 parts by weight of an epoxy-modified olefin-based copolymer; and about 0.5-10 parts by weight of a polyether ester copolymer, wherein the weight ratio of the epoxy-modified olefin-based copolymer and the polyether ester copolymer is about 1:0.06 to about 1:3.75. The thermoplastic resin composition has excellent metal bonding, impact resistance, rigidity, balance of these physical properties, and the like.

Abstract: A low-resistance conductive thin film is disclosed. The present invention provides a low-resistance conductive thin film including: a substrate; a first capping layer disposed on the substrate; a second capping layer disposed on the first capping layer; a metal layer disposed on the second capping layer; a third capping layer disposed on the metal layer; and a fourth capping layer disposed on the third capping layer.

Abstract: Provided are a quantum key distribution method, device, and system. The quantum key distribution system may include a transmitter configured to split an optical signal into a first optical signal passing through a first path (P1) and a second optical signal passing through a second path (P2), which is longer than the first path (P1), and to sequentially transmit the first optical signal and the second optical signal; and a receiver configured to receive the first optical signal and the second optical signal incident through a quantum channel and transmit the first optical signal and the second optical signal back to the transmitter through the quantum channel after passing through a polarization-dependent element, being reflected by a Faraday mirror, and passing through the polarization-dependent element again.

Abstract: A thermoplastic resin composition of the present invention comprises: approximately 100 parts by weight of a polyester resin; approximately 7-25 parts by weight of a polycarbonate resin; approximately 30-110 parts by weight of a flat glass fiber; approximately 3-13 parts by weight of an epoxy-modified olefin-based polymer; and approximately 0.2-10 parts by weight of a maleic anhydride-modified polyolefin, wherein the weight ratio of the epoxy-modified olefin-based polymer and the maleic anhydride-modified polyolefin is approximately 1:0.1 to 1:1. The thermoplastic resin composition has excellent metal bonding property, impact resistance, stiffness, heat stability, balance of physical properties thereof, and the like.

Abstract: Provided are a single photon detector and an operation method thereof. The single photon detector may include a gate signal generator for generating a gate signal having a first pulse width (?P) with respect to a first time point (t1); and a first photon detector for detecting the single photon while operating in a Geiger mode by receiving the gate signal, and outputs a photon detection signal at a second time point (t2), wherein the first photon detector outputs the photon detection signal at the second time point (t2) spaced apart at a predetermine time interval (?T) from the first time point (t1).

Abstract: A thermoplastic resin composition of the present invention comprises: approximately 100 parts by weight of a polyester resin; approximately 5-30 parts by weight of a polycarbonate resin; approximately 50-150 parts by weight of a flat glass fiber; approximately 2-10 parts by an epoxy-modified olefin-based copolymer; and approximately 2-10 parts by weight of a maleic anhydride-modified ethylene-propylene-diene monomer terpolymer, wherein the weight ratio of the epoxy-modified olefin-based copolymer and the maleic anhydride-modified ethylene-propylene-diene monomer terpolymer is approximately 1:0.5 to 1:2. The thermoplastic resin composition has excellent metal bonding property, impact resistance, stiffness, retention heat stability, balance of physical properties thereof, and the like.

Abstract: Provided are a method and a device for quantum key distribution. The quantum key distribution device may be connected to another quantum key distribution device through a quantum channel and distribute a quantum cryptography key. The device may include an optical unit having an optical element to transmit information, and a post-processor for calculating a quantum cryptography key by processing a random number generated by the optical unit. The device may include at least one of the optical unit including a plurality of unit optical modules, the post-processor having a plurality of unit post-processing modules, and the optical unit having a plurality of unit optical modules and the post-processor having a plurality of unit post-processing modules.

Abstract: Provided are a single photon detector and an operation method thereof. The single photon detector may include a gate signal generator for generating a gate signal having a first pulse width (?P) with respect to a first time point (t1); and a first photon detector for detecting the single photon while operating in a Geiger mode by receiving the gate signal, and outputs a photon detection signal at a second time point (t2), wherein the first photon detector outputs the photon detection signal at the second time point (t2) spaced apart at a predetermine time interval (?T) from the first time point (t1).

Abstract: A transparent film with enhanced durability is disclosed. The present invention provides a transparent film with enhanced durability including: a base layer; a first inorganic material layer stacked on a first surface of the base layer; a metal layer stacked on a first surface of the first inorganic material layer; a second inorganic material layer stacked on a a first surface of the metal layer; and a passivation layer configured to include a plurality of organic material layers stacked on a first surface of the second inorganic material layer.

Abstract: A thermoplastic resin composition of the present invention comprises: about 100 parts by weight of a thermoplastic resin including a polyester resin; about 50-150 parts by weight of glass fibers; and about 1-10 parts by weight of a polyether-ester copolymer, wherein the polyether-ester copolymer has a melt volume flow rate (MVR) of about 30-120 cm3/10 min as measured under conditions of 230° C. and 2.16 kg based on ISO 1133. The thermoplastic resin composition is excellent in impact resistance, appearance characteristics, metal joining properties, and the like.

Abstract: The present invention relates to an optical article, and an optical filter and an imaging device including the same. The optical article comprises: a near-infrared absorption glass substrate including a divalent copper ion as a chromatic ingredient; and a pigment dispersion layer formed on one surface or both surfaces of the near-infrared absorption glass substrate and having a near-infrared absorption pigment and an ultraviolet absorption pigment dispersed across the resin matrix thereof. Provided with a first and a second transmission cut-off region, the optical article has the advantage of allowing the fabrication of an excellent near-infrared cut-off filter that can effectively block light in near-infrared and ultraviolet bands and does not permit a difference in color sense with the change of incident angles.

Abstract: A thermoplastic resin composition includes about 100 parts by weight of a polybutylene terephthalate resin, about 3 parts by weight to about 33 parts by weight of a polycarbonate resin, about 60 parts by weight to about 120 parts by weight of glass fiber, and about 0.01 parts by weight to about 1.6 parts by weight of talc having an average particle diameter of about 3 µm to about 6 µm, wherein the glass fiber and the talc are present in a weight ratio of about 50:1 to about 5,000:1. The thermoplastic resin composition can have good properties in terms of glass adhesion, metal bonding, fluidity, impact resistance, and balance therebetween.

Abstract: A low-resistance conductive thin film is disclosed. The present invention provides a low-resistance conductive thin film including: a substrate; a first capping layer disposed on the substrate; a second capping layer disposed on the first capping layer; a metal layer disposed on the second capping layer; a third capping layer disposed on the metal layer; and a fourth capping layer disposed on the third capping layer.

Abstract: A thermoplastic resin composition of the present invention comprises: about 5 wt % to about 35 wt % of a modified polyaryletherketone resin comprising a repeat unit represented by chemical formula 1; about 5 wt % to about 35 wt % of a polyether ether ketone resin; about 20 wt % to about 40 wt % of a polyphenylsulfone resin; and about 15 wt % to about 50 wt % of glass fibers. The thermoplastic resin composition has good properties in terms of adhesion to metals, impact resistance, and so on.

Abstract: A thermoplastic resin composition of the present invention comprises: about 100 parts by weight of a polyester resin; about 15 to about 100 parts by weight of glass fibers; and about 2 to about 20 parts by weight of a modified olefin copolymer, the modified olefin copolymer comprising an epoxy modified olefin copolymer and a maleic anhydride modified olefin copolymer, wherein the weight ratio of the epoxy modified olefin copolymer and the maleic anhydride modified olefin copolymer is about 1:0.3 to about 1:3. The thermoplastic resin composition has excellent impact resistance, chemical resistance, and the like.

Abstract: Disclosed are a method of manufacturing graphene and an apparatus therefor. The method of manufacturing graphene and the apparatus therefor according to the present disclosure allow production of high-quality graphene in a simple manner in a short time without addition of a separate additive.

Abstract: Provided are a quantum key distribution method, device, and system. The quantum key distribution system may include a transmitter configured to split an optical signal into a first optical signal passing through a first path (P1) and a second optical signal passing through a second path (P2), which is longer than the first path (P1), and to sequentially transmit the first optical signal and the second optical signal; and a receiver configured to receive the first optical signal and the second optical signal incident through a quantum channel and transmit the first optical signal and the second optical signal back to the transmitter through the quantum channel after passing through a polarization-dependent element, being reflected by a Faraday mirror, and passing through the polarization-dependent element again.

Abstract: An optical film for efficiently and uniformly diffuses and collects the light from mini LEDs or micro LEDs, the bead diffusion layer and the pattern diffusion layer of the first diffusion sheet are formed such that a first diffusion rate of the light on the one surface of the first diffusion sheet is higher than a second diffusion rate of the light on the other surface of the first diffusion sheet.

Abstract: A thermoplastic resin composition of the present invention comprises: about 100 parts by weight of a thermoplastic resin including a polyester resin; about 50-150 parts by weight of glass fibers; and about 1-10 parts by weight of a polyether-ester copolymer, wherein the polyether-ester copolymer has a melt volume flow rate (MVR) of about 30-120 cm3/10 min as measured under conditions of 230° C. and 2.16 kg based on ISO 1133. The thermoplastic resin composition is excellent in impact resistance, appearance characteristics, metal joining properties, and the like.

Abstract: An optical film for transmitting light emitted from a mini or micro light-emitting diode comprises a first diffusion sheet allowing the light to be emitted at one surface thereof, having, on the one surface thereof, a bead diffusion layer, which includes beads for the diffusion of the light, and having, on the other surface thereof, a pattern diffusion layer which includes a pattern for the diffusion of the light; and a first prism sheet having a plurality of prisms arranged on one surface thereof in a predetermined direction in order to concentrate the light that has passed through the first diffusion sheet, wherein the bead diffusion layer and the pattern diffusion layer of the first diffusion sheet can be formed such that a first diffusion rate of the light on the one surface of the first diffusion sheet is higher than a second diffusion rate of the light on the other surface of the first diffusion sheet.