Abstract: A transparent conductor, a method of fabricating the same, and an optical display, the transparent conductor including a base layer; and a conductive layer on the base layer, the conductive layer including metal nanowires and a matrix, wherein the matrix is prepared from a matrix composition, the matrix composition including inorganic hollow particles, a fluorine-containing monomer, or a mixture thereof.

Abstract: A transparent conductor, a method for preparing the same, and an optical display including the same, the transparent conductor including a base layer; and a conductive layer on the base layer, the conductive layer including metal nanowires and a matrix, wherein the transparent conductor has a transmissive b* value of about 1.5 or less, and the matrix is prepared from a matrix composition including a tri-functional monomer and one of a penta-functional monomer or a hexa-functional monomer a base layer; and a conductive layer formed on the base layer and including metal nanowires and a matrix, wherein the transparent conductor has a transmissive b* value of about 1.5 or less, and the matrix is formed of a composition including a penta- or hexa-functional monomer and a tri-functional monomer.

Abstract: A transparent conductor includes a base layer, and a conductive layer on an upper surface of the base layer. The conductive layer includes metal nanowires and a matrix. The transparent conductor has a reflective a* value of about ?0.3 to about +0.3 and a reflective b* value of about ?2 to about 0. The transparent conductor exhibits good optical properties and prevents (or reduces) visibility of the etching pattern of the conductive layer.

Abstract: A transparent conductor includes a base layer, and a transparent conductive film on one or both sides of the base layer, the transparent conductive film including a metal nanowire, where the base layer includes a retardation film. An optical display apparatus includes the transparent conductor. The transparent conductor may compensate for a viewing angle of the optical display apparatus.

Abstract: The present invention relates to a rigid polyurethane foam which can be obtained by mixing (a) isocyanates, (b) compounds having groups which are reactive toward isocyanates, (c) blowing agents comprising water, (d) catalysts and optionally (e) further additives to form a reaction mixture, applying the reaction mixture to a reinforcing material and curing the reaction mixture, where the isocyanates (a) have a viscosity of not more than 500 mPas at 25° C. and the compounds (b) having groups which are reactive toward isocyanates comprise a polyetherol (b1) having a functionality of 4 or more and a viscosity at 25° C. of 10 000 mPas or less, a polyetherol (b2) having a functionality of 3.5 or less and a viscosity at 25° C. of 600 mPas or less, a polyesterol (b3) having a viscosity at 25° C. of 2000 mPas or less, chain extenders (b4) comprising at least 30% secondary OH groups and optionally a crosslinker (b5).

Abstract: A photographing method, medium, and apparatus based on face detection in a portable camera. The portable photographing apparatus may include an image input unit that receives an image, a face detection unit that detects a face from the received image, a storage unit that stores the image detected by the face detection unit as a moving image in a first mode, and a quality evaluation unit that evaluates the quality of the image detected by the face detection unit and stores the same as a still image in a second mode upon satisfaction of predetermined conditions evaluated based on the quality evaluation of the still image.

Abstract: A photographing method, medium, and apparatus based on face detection in a portable camera. The portable photographing apparatus may include an image input unit that receives an image, a face detection unit that detects a face from the received image, a storage unit that stores the image detected by the face detection unit as a moving image in a first mode, and a quality evaluation unit that evaluates the quality of the image detected by the face detection unit and stores the same as a still image in a second mode upon satisfaction of predetermined conditions evaluated based on the quality evaluation of the still image.

Abstract: A method for performing electronic transactions, includes receiving a primary wallet component registered in a ticket server and an additional wallet component registered to the ticket server from a first provider server, displaying the primary wallet component and the additional wallet component, if selection of the additional wallet component is detected, requesting a second provider server to issue the selected additional wallet component, receiving the additional wallet component issued by the second provider server corresponding to the requested additional wallet component, and displaying the issued additional wallet component on a touch screen.

Abstract: A transparent conductor including: a base layer, a first coating layer on the base layer and having conductivity, and a second coating layer on the first coating layer is disclosed. The base layer, the first coating layer and the second coating layer have refractive indexes of R1, R2 and R3, respectively, at a wavelength of 380 nm to 780 nm, and the transparent conductor has a difference between R1 and R2 (R1?R2) of about 0.05 to about 0.20, and a difference between R2 and R3 (R2?R3) of about 0.01 to about 0.20. An apparatus including the transparent conductor is also disclosed.

Abstract: A transparent conductor, a composition for the same, and an apparatus including the same, the transparent conductor including a transparent conductive film, the transparent conductive film including a metal nanowire and a conductive polymer, wherein the transparent conductor has a b* value of less than about 1.78 in color coordinates of CIE Lab at wavelengths of 400 nm to 700 nm.

Abstract: Disclosed is a method for production of hydrogen energy utilizing silicon wastewater. The method includes treating the silicon wastewater through UF membrane filtration to separate UF treated water and a concentrated silicon waste solution therefrom, admixing the separated silicon waste solution with an alkaline material, reacting the concentrated silicon waste solution with the alkaline material in the mixture to produce hydrogen gas and alkaline water, using an acidic material to neutralize the alkaline water, thereby forming a supernatant and a precipitate.

Abstract: Disclosed are a hydrogen energy production system utilizing silicon wastewater and a method for production of hydrogen energy using the same. More particularly, the disclosed system includes: a UF treatment bath wherein the silicon wastewater is treated through UF film filtration to separate UF treated water and a concentrated silicon waste solution therefrom; a line mixer connected to the UF treatment bath in order to admix the separated silicon waste solution with an alkaline material fed from the outside; and a hydrogen production bath connected to the line mixer, wherein the concentrated silicon waste solution in the mixture reacts with the alkaline material, in order to produce hydrogen gas. Additionally, a hydrogen energy production method using the foregoing system is also disclosed.

Abstract: The present invention relates to a rigid polyurethane foam comprising reinforcing materials which can be obtained by mixing (a) isocyanates which have a viscosity at 25° C. of less than 500 mPas with (b) compounds having groups which are reactive toward isocyanates, (c) blowing agents comprising water, (d) catalysts and, if appropriate, (e) further additives to form a reaction mixture and applying the reaction mixture to a reinforcing material, wherein the compounds (b) having groups which are reactive toward isocyanates comprise a polyetherol (b1) having a functionality of 4 or more and a viscosity at 25° C. of 10 000 mPas or less and a polyetherol (b2) having a functionality of 3 or less and a viscosity at 25° C. of 500 mPas or less. The present invention further relates to a process for producing such rigid polyurethane foams and the use of the rigid polyurethane foams for the insulation of liquefied natural gas tanks.

Abstract: A chiller according to the present invention comprises: a compressor for compressing a refrigerant; an oil separator for separating oil and the refrigerant discharged from the compressor; a condenser for condensing the refrigerant passing through the oil separator; and expander for expanding the refrigerant condensed in the condenser; an evaporator for cooling cold water with the refrigerant expanded in the expander and connected to a demanding place via cold water pipes; an ejector for partially passing the refrigerant compressed in the compressor and connected to the evaporator via an evaporator oil recovery path; an oil recovery path of the oil separator connected in such as manner that the oil leaked out of the oil separator passes through the oil recovery path so as to be recovered to the compressor; and an ejector outlet path connected in such a manner than the oil and the refrigerant leaked out of the ejector passes through the ejector outlet path so as to be recovered to the compressor.

Abstract: A fan apparatus and an air conditioner employing such a fan apparatus are provided to reduce noise and enhance efficiency. The fan apparatus may be driven by a BLDC motor that stably drives the fan and increases an air flow rate. Heat exchange efficiency of an outdoor unit of a front suction/discharge type air conditioner may be improved by such a fan apparatus driven by such a BLDC motor.

Abstract: A method for providing a data service and a system for providing a data service applying the same are provided. The method includes selecting a content that is assigned a data assignment quantity indicating a quantity sufficient for using a service; comparing a data generation quantity indicating a quantity of data generated by a user and the data assignment quantity; and performing the service for the data generated by the user according to a result of the comparison.

Abstract: An apparatus for actively tracking an object is provided. The apparatus includes a camera unit; a motor drive for changing a shooting direction of the camera unit; and a controller for acquiring a first comparative image and a second comparative image in sequence using the camera unit, comparing the first comparative image with the second comparative image, detecting a moving direction and a speed of an identical object existing in the first and second comparative images, determining an estimated location of the object after receipt of the second comparative image based on the detected moving direction and speed, and enlarging and capturing the object in the estimated location of the object.

Abstract: The present invention relates to a bone-regenerating composition containing angiogenin and to a bone-generating scaffold comprising the composition.

Abstract: A method, system, and medium of providing various types of broadcast services such as a record, a summary, a navigation and a real-time event service with respect to a broadcast content, utilizing a home server, according to a user's request. A broadcast service providing method includes: storing broadcast summary data, navigation data and real-time event data which is generated by analyzing received broadcast data according to a broadcast record request from a user's portable device, in a database; and providing the user's portable device with a streaming service with respect to the stored broadcast summary data, the navigation data and the real-time event data, according to a summary selection request from the user's portable device.

Abstract: The present invention relates to a rigid polyurethane foam which can be obtained by mixing (a) isocyanates, (b) compounds having groups which are reactive toward isocyanates, (c) blowing agents comprising water, (d) catalysts and optionally (e) further additives to form a reaction mixture, applying the reaction mixture to a reinforcing material and curing the reaction mixture, where the isocyanates (a) have a viscosity of not more than 500 mPas at 25° C. and the compounds (b) having groups which are reactive toward isocyanates comprise a polyetherol (b1) having a functionality of 4 or more and a viscosity at 25° C. of 10 000 mPas or less, a polyetherol (b2) having a functionality of 3.5 or less and a viscosity at 25° C. of 600 mPas or less, a polyesterol (b3) having a viscosity at 25° C. of 2000 mPas or less, chain extenders (b4) comprising at least 30% secondary OH groups and optionally a crosslinker (b5).