Abstract: Provided is a semiconductor light emitting device. The semiconductor light emitting device comprises a first conductive type clad layer having a composition ratio of aluminum increased at a predetermined rate, an active layer on the first conductive type clad layer, and a second conductive type semiconductor layer on the active layer.

Abstract: There is provided a data processing method of a client terminal that communicates with a server, including: receiving a data request message for requesting data of a USB device connected to the client terminal, from the server, the data request message including information about a size of data that is to be read from the USB device; acquiring data corresponding to the size of data included in the data request message, from the USB device; deciding a size of data that is able to be additionally transmitted from the USB device, according to operation states of other USB devices connected to the client terminal; and transmitting a data transmission completion message to the server, wherein the data transmission completion message includes information about the size of data that is able to be additionally transmitted, and the data acquired from the USB device.

Abstract: The present invention relates to a composition of skin external application comprising rose extracts and epigallocatechin gallate (EGCG) as effective ingredients, more particularly to a composition of skin external application that contains rose extracts and EGCG, thereby promoting the synthesis of collagen fiber to promote superior skin elasticity and skin wrinkle improvement with long-lasting effect.

Abstract: The present invention provides a ceramide lamella structure comprising a glucoside surfactant, a preparation method thereof, and a skin composition for external use containing the same. According to the skin preparation composition for external use of the present invention, phase stability is very excellent and a greater amount of ceramides can be stably formed according to the stability of ceramides using multilayered lamellar liquid crystals, thereby showing excellent skin moisturizing and skin barrier function repairing effects when applied to the skin.

Abstract: Provided herein is a display apparatus including a hinge having a coupling part coupled to a panel and a body part connected to the coupling part, a stand neck coupled to the body part, a main base having a fixing part, to which the hinge and the stand neck are fixed, a main board including a power board and a signal board connected to each other so as to form a two-layer stacked structure so that the power board and the signal board are mounted in a space of the main base as a single module, and a cover assembly including a middle cover to accommodate the main base, the middle cover being provided with a mounting part corresponding to the fixing part.

Abstract: The present invention provides a cosmetic composition containing one or more selected from a group consisting of green tea saponin and green tea polyphenol as active ingredients. The cosmetic composition of the invention is very safe to the skin and can greatly enhance biological mechanisms in the skin, and thus can serve as an anti-aging cosmetic composition.

Abstract: An electric-bicycle driving apparatus includes a speed change mode operator to output a low-speed mode signal or a high-speed mode signal, a controller to receive the low-speed mode signal or high-speed mode signal outputted from the speed change mode operator and to output a first control signal corresponding to the low-speed mode signal or a second control signal corresponding to the high-speed mode signal, a generation-signal provider to provide a generation signal outputted from a generator, and a stepping operation load booster to boost a load of the generation signal outputted from the generation-signal provider by receiving the first control signal or second control signal when the speed change mode operator outputs the low-speed mode signal or high-speed mode signal, and to send a stepping operation provider a resulting signal of the boost in a stepping operation signal corresponding to the low-speed mode signal or high-speed mode.

Abstract: Disclosed is a method of preparing porous polybenzimidazole. The method includes providing polyaminoimide by reacting aromatic amine including at least two ortho-positioned amino groups and acid dianhydride, obtaining polypyrrolone from the polyaminoimide, subjecting the polypyrrolone to alkaline treatment, and subjecting the alkaline-treated polypyrrolone to heat treatment. The polybenzimidazole shows permeability and selectivity for various gases due to a fractional free volume and well-connected picopores.

Abstract: A transcoding server is provided, and the transcoding server includes a receiving unit configured to receive image data and additional information via a communication network; an additional middleware configured to process the received additional information; a decoding unit configured to decode the received image data; an overlay-mixer configured to generate integrated image data by overlaying the decoded image data with the processed additional information; an encoding unit configured to encode the generated integrated data image; and a transmitting unit configured to transmit the encoded integrated image data to one or more terminals.

Abstract: The present invention relates to a skin moisturizing cosmetic composition that includes a pine resin extract, a Pinus Densiflora needle extract, and a Pinus Densiflora root extract, as active ingredients. More specifically, the present invention includes a pine resin extract, a Pinus Densiflora needle extract, and a Pinus Densiflora root extract, as active ingredients, and has advantageous effects of improving moisturizing activity on the skin and enhancing skin texture, skin clearness and skin contour.

Abstract: There is provided a data processing method of a client terminal that communicates with a server, including: receiving a data request message for requesting data of a USB device connected to the client terminal, from the server, the data request message including information about a size of data that is to be read from the USB device; acquiring data corresponding to the size of data included in the data request message, from the USB device; deciding a size of data that is able to be additionally transmitted from the USB device, according to operation states of other USB devices connected to the client terminal; and transmitting a data transmission completion message to the server, wherein the data transmission completion message includes information about the size of data that is able to be additionally transmitted, and the data acquired from the USB device.

Abstract: The present invention relates to a cosmetic composition for skin whitening and anti-aging, which contains 2 or more of collagen peptides, snake needle grass extract, and white ginseng saccharides as effective ingredients, improves skin resilience by increasing the content of collagen in the skin and suppresses the growth of melanin cells, improves skin brightness and uniformity, and alleviates skin yellowness and redness, so as to provide the effect of making the skin appear clearer and more radiant.

Abstract: The present invention relates to a mask pack sheet using bio-cellulose obtained from fermented ginseng extracts, and more particularly, to a method for manufacturing a cosmetic mask pack sheet, comprising injecting microbial strains into a culture medium containing ginseng extracts so as to ferment the ginseng extracts and prepare a bio-cellulose sheet, and dipping the sheet into a cosmetic liquid.

Abstract: The present invention relates to a cosmetic composition for massage, and more particularly, to a cosmetic composition for massage that provides a smooth rolling sensation even with a low oil content by controlling the ratio and content of polar and nonpolar oils and properly penetrates into the skin according to the control of the absorption rate by using a gum, which solves the problems with the existing massage compositions such as greasiness caused by a high content of oily ingredients and inconvenience associated with a need for cleansing the skin after use.

Abstract: Disclosed herein are polymer compounds and a method for preparing thereof. More specifically, provided are polymer compounds with well-connected, narrow size distribution free-volume element and a method for preparing the polymer compounds by thermal rearrangement for aromatic polyimides containing ortho-positioned functional groups in the solid state.

Abstract: Provided is a composition including, as an active ingredient, at least one selected from the group consisting of amines, amides and polyols. The cosmetic composition has an effect of preventing aging and may be applied in various industrial fields, including cosmetics.

Abstract: In a method of inspecting a mask, an image of a first die in a corrected mask may be obtained. The corrected mask may be corrected using correction data that may include deformation factors related to an exposure process. The first image may be reversely corrected based on correction data. The reversely corrected first image may be compared with a reference image to determine whether the first die may be properly implemented or not.

Abstract: Provided are a polymer/liposome nanocomposite composition comprising lipids and poly(amino acids), and a method for preparing same. The polymer/liposome nanocomposite composition has excellent formation stability with respect to surfactants and salts, and can be used in various ways as a drug delivery system in the fields of medicine and cosmetics.

Abstract: The present invention relates to an oil-in-water (O/W) type nano-emulsion composition comprising an oil component containing oil and a polyethylene glycol ester-based emulsifier; and a water component containing a polyol or a polyol derivative. The present invention also relates to a cosmetic composition comprising the oil-in-water type nano-emulsion composition, and to a method for preparing the oil-in-water type nano-emulsion composition. According to the present invention, a nano-sized low-viscosity emulsion having a high inner phase can be obtained through the method that is different from the conventional methods of phase inversion temperature emulsification or high pressure emulsification, thereby significantly improving the stability of the emulsion. In addition, the nano-emulsion composition of the present invention can be added to a variety of cosmetic compositions having a variety of methods of use and can thus deliver active ingredients to the skin effectively since it has small-sized particles.

Abstract: The present invention relates to a cosmetic composition having a high content of a stable oil phase, and more particularly to a cosmetic composition, which combines advantages of spreadability and softness of an oil-in-water type with emollient effect and water resistance of a water-in-oil type as a resulting of stabilizing, based on the total weight of the composition, 30-56 wt % of an oily component by multiple emulsification of W/O/W, and which provides skin moisturizing and softening ef-fects by a large amount of oil components, and also which allows irritations caused by active ingredients to be relieved by a high content of the oily component.