Abstract: The present specification provides a novel compound greatly improving the life span, efficiency, electrical and chemical stability and thermal stability of an organic light emitting device, and an organic light emitting device containing the compound in an organic compound layer.

Abstract: The present invention relates to a low-viscosity cosmetic composition and methods using a natural emulsifying agent. More specifically, the present invention relates to a cosmetic composition using a naturally derived saccharide-based surfactant in place of a chemical surfactant and realizing a low-viscosity formulation to offer safety to the skin, feel good on the skin with fast absorption, give stability to the formulation and add luster to the skin in an effective manner.

Abstract: The present specification provides a multicyclic compound including nitrogen and an organic light emitting device using the same.

Abstract: An exemplary embodiment of the present specification provides an organic electroluminescence device including: an anode; a cathode; a light emitting layer provided between the anode and the cathode; and an electron transporting layer provided between the cathode and the light emitting layer, in which the electron transporting layer includes a first electron transporting material and a second electron transporting material, the first electron transporting material is an organic material including a monocyclic or polycyclic ring which includes an N-containing six-membered ring, the second electron transporting material is an organic material including a five-membered hetero ring which includes at least one heteroatom of N, O, and S, or a cyano group, and a dipole moment of the second electron transporting material is larger than a dipole moment of the first electron transporting material.

Abstract: The present invention provides a novel compound that is capable of largely improving a life span, efficiency, electrochemical stability and thermal stability of an organic light emitting device, and an organic light emitting device in which the compound is included in an organic compound layer.

Abstract: The present invention relates to a cosmetic tissue comprising microemulsion particles, and to a production method for same and method of using same. The present invention provides a cosmetic tissue to which is securely attached a dried composition comprising microemulsion particles of no more than 5,000 nm. Also, the present invention provides a production method for cosmetic tissue comprising: a first step of obtaining a composition comprising microemulsion particles of no more than 5,000 nm; a second step of coating the composition onto a tissue substrate; and a third step of drying the composition, and the present invention provides a method of using same. According to the present invention, after the skin has been cleaned, removal of the remaining water fraction and coating of a dermatological beauty composition are carried out in one go, thereby allowing easy-to-use and effective cosmetic enhancement to the skin.

Abstract: One aspect of the present invention relates to an effervescent tablet comprising a water-soluble lubricating agent, and a carbonated water cosmetic composition enabled to be used together therewith. One aspect of the present invention relates to an effervescent tablet comprising a crystalline #-hydroxy acid and a water-soluble lubricating agent, and a cosmetic composition using a skin toner for preventing the tablet from floating and allowing the tablet to rapidly form carbon dioxide gas in the cosmetic composition so as to maximize the visual effect and also the effect of carbon dioxide, thereby showing skin whitening, brightening and moisturizing effects and improving the pores.

Abstract: Provided is a composition for an external use skin preparation, containing thioredoxin, and more specifically, to a composition which contains thioredoxin thereby providing an overall improvement in skin condition such as a remarkable improvement in skin moisturization, reduction in a transepidermal water loss, sebum control, pore contraction, an improvement in skin color through blood circulation improvement, and the like.

Abstract: The present specification provides a heterocyclic compound and an organic light emitting device using the same.

Abstract: The present specification provides a hetero-cyclic compound and an organic light emitting device including the hetero-cyclic compound.

Abstract: The present specification provides a heterocyclic compound and an organic light emitting device using the same.

Abstract: The present specification provides a heterocyclic compound and an organic light emitting device using the same.

Abstract: The present specification provides a heterocyclic compound and an organic light emitting device using the same.

Abstract: The present invention provides a novel compound that is capable of largely improving a life span, efficiency, electrochemical stability and thermal stability of an organic light emitting device, and an organic light emitting device in which the compound is included in an organic compound layer.

Abstract: The present specification provides a novel compound greatly improving the life span, efficiency, electrical and chemical stability and thermal stability of an organic light emitting device, and an organic light emitting device containing the compound in an organic compound layer.

Abstract: The present specification describes a novel polycyclic compound and an organic electroluminescent device using the same.

Abstract: One aspect of the present invention relates to an effervescent tablet comprising a water-soluble lubricating agent, and a carbonated water cosmetic composition enabled to be used together therewith. One aspect of the present invention relates to an effervescent tablet comprising a crystalline #-hydroxy acid and a water-soluble lubricating agent, and a cosmetic composition using a skin toner for preventing the tablet from floating and allowing the tablet to rapidly form carbon dioxide gas in the cosmetic composition so as to maximize the visual effect and also the effect of carbon dioxide, thereby showing skin whitening, brightening and moisturizing effects and improving the pores.

Abstract: An organic light emitting diode (OLED) display device includes a substrate including a circular arc portion and a driving circuit connecting portion connected to the top of the circular arc portion. The circular arc portion is substantially circular around a center point. A display area is formed in the circular arc portion. The display area has a circular shape centered around the center point. A driving power supply line is formed in the circular arc portion and configured to provide a driving voltage for OLED pixels of the OLED display device. The driving power supply line formed to at least partially surround the display area. A number of power lines electrically connect the driving power supply line to the OLED pixels. A number of bridge lines are formed outside of the display area, where each bridge line connecting one of the power lines with at least one adjacent power line.

Abstract: Provided are a test socket for a semiconductor device and a test device including the test socket. The test device includes a test socket including terminals arranged in a two-dimensional array and corresponding to terminals of the semiconductor device and a ground line extending along at least one row of two-dimensional array; and a substrate electrically connected to the test socket so as to transmit and receive a test signal. The test socket includes a ground line extending along at least one row of the two-dimensional array.

Abstract: An organic light emitting diode (OLED) display device includes a substrate including a circular arc portion and a driving circuit connecting portion connected to the top of the circular arc portion. The circular arc portion is substantially circular around a center point. A display area is formed in the circular arc portion. The display area has a circular shape centered around the center point. A driving power supply line is formed in the circular arc portion and configured to provide a driving voltage for OLED pixels of the OLED display device. The driving power supply line formed to at least partially surround the display area. A number of power lines electrically connect the driving power supply line to the OLED pixels. A number of bridge lines are formed outside of the display area, where each bridge line connecting one of the power lines with at least one adjacent power line.