Abstract: A laser device includes a laser source which emits a laser beam, a scanner located on a path of the laser beam emitted from the laser source to control the path of the laser beam, a lens module located on a path of a controlled laser beam to converge the laser beam, and a lens adaptor connecting the lens module to the scanner. The lens module includes a first lens part which accommodates a first lens, a second lens part which accommodates a second lens, and a connecting part located between the first lens part and the second lens part, where the connecting part has a longest diameter greater than a longest diameter of the first lens part and a longest diameter of the second lens part.

Abstract: A suction unit control method includes simulating an air flow about a suction port, through which fumes generated when a laser beam is radiated on a target substrate on a stage unit to cut the target substrate are sucked up, installing an air blower on three or four sides around a laser cutting end at a height close to the suction port, controlling on and off of first to fourth solenoid valves of the air blower based on a movement of the stage unit while performing laser cutting on the target substrate while moving the stage unit.

Abstract: A button-type secondary battery according to the present disclosure includes: an electrode assembly; a lower can configured to accommodate the electrode assembly; an upper can coupled to an opening of the lower can; a gasket configured to insulate a coupling portion between the lower can and the upper can; and a center part provided at a core portion of the electrode assembly, wherein the center part includes: a center pin inserted into the core portion of the electrode assembly; and an upper plate provided with an upper cover surface provided on an upper end of the center pin to protect an upper portion of the electrode assembly, wherein an edge of the upper cover surface is provided to be supported on an inner wall of the lower can.

Abstract: Disclosed herein relates to a secondary battery, including: an electrode assembly; a battery case; a positive terminal and a negative terminal spaced apart on a top surface of the battery case; and at least one of a W-type terminal structure and a T-type terminal structure, wherein the W-type terminal structure is a structure capable of connecting two secondary batteries in a width direction, and the T-type terminal structure is a structure capable of connecting two secondary batteries in a thickness direction.

Abstract: A nanocrystal particle including at least one semiconductor material and at least one halogen element, the nanocrystal particle including: a core comprising a first semiconductor nanocrystal; and a shell surrounding the core and comprising a crystalline or amorphous material, wherein the halogen element is present as being doped therein or as a metal halide.

Abstract: Disclosed are a self-generating pressure-sensitive light-emitting device and a method of manufacturing the same. The self-generating pressure-sensitive light-emitting device includes an electrochemical light-emitting device in which a first electrode, a light-emitting layer and a second electrode are sequentially formed; and a triboelectric self-generating device formed on the second electrode and configured to share the second electrode of the electrochemical light-emitting device, wherein the electrochemical light-emitting device and the triboelectric self-generating device share the second electrode and thus the electrochemical light-emitting device is driven due to a potential difference generated from the triboelectric self-generating device.

Abstract: Provided are secondary batteries. The secondary batteries may include a case having a plurality of surfaces including a first surface and a second surface; a positive terminal located on a surface of the case; a negative terminal located on the surface of the case and spaced apart from the positive terminal; and a terminal structure comprising a terminal body, an extension terminal, and a binding member, wherein: the terminal body includes a first face covering the positive terminal or the negative terminal and at least one second face extending from the first face; the extension terminal electrically connects to the positive terminal or the negative terminal and is located on the at least one second face of the terminal body; and the binding member is coupled to or integrally formed with the extension terminal.

Abstract: A laser device for skin treatment, includes: a laser generating unit including one or a plurality of diode lasers configured to generate a diode laser pulse, one or a plurality of diode laser drivers each arranged to correspond to the diode laser and configured to vary diode laser pulses generated from the diode laser into pulses having different durations, a laser amplifying unit configured to amplify the pulse transmitted from the diode laser generating unit, and a controller configured to control the diode laser generating unit and the laser amplifying unit to control a wavelength and intensity of a laser output from the laser amplifying unit.

Abstract: The present disclosure is directed to linear polyphosphazene compounds, including compounds represented by the following chemical formula 1. wherein n can an integer from 1 to 300; MPEG can represent methoxy poly(ethylene glycol) with a molecular weight of 350 to 1000; S can be a space group selected from the group consisting of lysine, arginine, glutamine, asparagine, tyrosine, lysine containing oligopeptide, arginine containing oligopeptide, glutamine containing oligopeptide, asparagine containing oligopeptide, tyrosine containing oligopeptide, amino-ethanol, amino-propanol, amino-butanol, amino-pentanol, and amino-hexanol; 1 may equal to 0-0.9 and m may equal to 0.1-1.

Abstract: An organic light emitting display device includes a first transistor including a first active region and a first gate electrode disposed on the first active region, a third transistor including a third lower gate electrode disposed on the first gate electrode, a third active region disposed on the third lower gate electrode, and a third upper gate electrode disposed on the third active region, and a fourth transistor including a fourth active region disposed in the same layer as the first active region and a fourth gate electrode disposed on the fourth active region. The first transistor is a first-type transistor, and the fourth transistor is a second-type transistor different from the first-type transistor.

Abstract: The present invention relates to a new class of cationic linear polyphosphazenes bearing as side groups a hydrophilic poly(ethylene glycol) and a spacer group selected from the group consisting of lysine, oligopeptides containing lysine, amino-ethanol, amino-propanol, amino-butanol, amino-pentanol and amino-hexanol, and the polyphosphazene-drug conjugates comprising hydrophobic anticancer drugs by covalent bonding and the preparation methods thereof. The present polyphosphazene-drug conjugates exhibit outstanding tumor selectivity and low toxicity.

Abstract: A display device includes a plurality of pixel electrodes spaced apart from each other, in which each pixel electrode includes a central part and a peripheral part surrounding the central part, a pixel defining layer disposed on the plurality of pixel electrodes and including an overlap part overlapping the peripheral part when viewed in a plan view, and a lateral side to define a pixel opening exposing the central part, in which a portion of the overlap part has an undercut, a light emitting material disposed on the central part exposed through the pixel opening, and a common electrode including a first part disposed on the light emitting material on the central part and a second part disposed on the pixel defining layer, in which the first part is disconnected from the second part along the undercut portion.

Abstract: The present invention relates to a system for providing sound source reproduction information and has an object to provide a system for providing sound source reproduction information, in which the sound source reproduction information is provided for each user in the order of their distance from each user, and a user selectively browses sound source information of other users reproduced in the vicinity thereof and generates a synchronization request signal for the sound source information, such that reproduction of the sound source may be synchronized between users without performing any settings with each other.

Abstract: The present invention relates to a system for providing sound source reproduction information and has an object to provide a system for providing sound source reproduction information, in which the sound source reproduction information is provided for each user in the order of their distance from each user, and a user selectively browses sound source information of other users reproduced in the vicinity thereof and generates a synchronization request signal for the sound source information, such that reproduction of the sound source may be synchronized between users without performing any settings with each other.

Abstract: The present invention provides an apparatus, system and method for reproducing data in groups. According to the apparatus, system and method for reproducing data in groups, some piece of data of sound source data that is already being reproduced through a specific terminal or external speaker is input through a microphone and compared with the entire data of the sound source data, thus to identify a current reproduction point, and synchronize the reproduction point with sound source data being played externally, thereby reproducing the sound source data at the same time.

Abstract: The present invention provides an apparatus, system and method for reproducing data in groups. According to the apparatus, system and method for reproducing data in groups, some piece of data of sound source data that is already being reproduced through a specific terminal or external speaker is input through a microphone and compared with the entire data of the sound source data, thus to identify a current reproduction point, and synchronize the reproduction point with sound source data being played externally, thereby reproducing the sound source data at the same time.

Abstract: An organic light emitting display device includes a first transistor including a first active region and a first gate electrode disposed on the first active region, a third transistor including a third lower gate electrode disposed on the first gate electrode, a third active region disposed on the third lower gate electrode, and a third upper gate electrode disposed on the third active region, and a fourth transistor including a fourth active region disposed in the same layer as the first active region and a fourth gate electrode disposed on the fourth active region. The first transistor is a first-type transistor, and the fourth transistor is a second-type transistor different from the first-type transistor.

Abstract: The present invention relates to a new class of cationic linear polyphosphazenes bearing as side groups a hydrophilic poly(ethylene glycol) and a spacer group selected from the group consisting of lysine, oligopeptides containing lysine, amino-ethanol, amino-propanol, amino-butanol, amino-pentanol and amino-hexanol, and the polyphosphazene-drug conjugates comprising hydrophobic anticancer drugs by covalent bonding and the preparation methods thereof. The present polyphosphazene-drug conjugates exhibit outstanding tumor selectivity and low toxicity.

Abstract: The present disclosure provides a carrier composition for eye drops in which a substance to be delivered is loaded in a carrier, wherein the substance to be delivered includes one or more selected from the group consisting of an anti-inflammatory agent, a glaucoma treatment agent, a calcium channel blocker (CCB), an NMDA-receptor blocker, an antioxidant, a nitric oxide synthase inhibitor, a heat shock protein (HSP), a cystinosis treatment agent, and an antibiotic, the carrier has a spherical shape, the carrier includes a multilayer shell in a region ranging from the center to the surface of the carrier, the multilayer shell includes a core located in the center of the carrier and including a carboxymethyl cellulose (CMC)-based hydrogel having a degree of substitution (D.S.) of 0.9, a first shell located on the surface of the core and including a CMC-based hydrogel having a degree of substitution of 0.

Abstract: The present invention relates to a new class of cationic linear polyphosphazenes bearing as side groups a hydrophilic poly(ethylene glycol) and a spacer group selected from the group consisting of lysine, oligopeptides containing lysine, amino-ethanol, amino-propanol, amino-butanol, amino-pentanol and amino-hexanol, and the polyphosphazene-drug conjugates comprising hydrophobic anticancer drugs by covalent bonding and the preparation methods thereof. The present polyphosphazene-drug conjugates exhibit outstanding tumor selectivity and low toxicity.