Abstract: Provided is a semiconductor device comprising an active region on a substrate and including first and second sidewalls extending in a first direction and an epitaxial pattern on the active region, wherein the epitaxial pattern includes first and second epitaxial sidewalls extending from the first and second sidewalls, respectively, the first epitaxial sidewall includes a first epitaxial lower sidewall, a first epitaxial upper sidewall, and a first epitaxial connecting sidewall connecting the first epitaxial lower sidewall and the first epitaxial upper sidewall, the second epitaxial sidewall includes a second epitaxial lower sidewall, a second epitaxial upper sidewall, and a second epitaxial connecting sidewall connecting the second epitaxial lower sidewall and the second epitaxial upper sidewall, a distance between the first and second epitaxial upper sidewalls decreases away from the active region, and the first and second epitaxial lower sidewalls extend in parallel to a top surface of the substrate.

Abstract: An apparatus for curing adhesive gels used for lash and hair extensions. A housing includes a flexible tube extending from the front of the housing. An LED lamp is affixed within the flexible tube for illuminating a target area in front of the tube. A circuit is configured to drive the LED lamp. A front wedge is affixed to the bottom of the housing for holding and guiding a pair of tweezers for operation in the target area, and a rear wedge is affixed to the bottom of the housing in alignment with the first wedge for holding the back end of the pair of tweezers.

Abstract: A system for the professional preparation and implementation of eyelash and hair extension application which may include the use of chemically reduced bonding agents such as cyanoacrylate based adhesive, non-adhesive bonding gel, micro-fiber skin protection strips and staging pallets, brushless micro-applicators and tweezers including an affixed UV light source.

Abstract: An apparatus for curing adhesive gels used for lash and hair extensions. A housing includes a flexible tube extending from the front of the housing. An LED lamp is affixed within the flexible tube for illuminating a target area in front of the tube. A circuit is configured to drive the LED lamp. A front wedge is affixed to the bottom of the housing for holding and guiding a pair of tweezers for operation in the target area, and a rear wedge is affixed to the bottom of the housing in alignment with the first wedge for holding the back end of the pair of tweezers.

Abstract: A system for the professional preparation and implementation of eyelash and hair extension application which may include the use of chemically reduced bonding agents such as cyanoacrylate based adhesive, non-adhesive bonding gel, micro-fiber skin protection strips and staging pallets, brushless micro-applicators and tweezers including an affixed UV light source.

Abstract: The present invention relates to a novel organic electroluminescent compound and an organic electroluminescent device comprising the same. The organic electroluminescent compound according to the present invention has excellent luminous efficiency, power efficiency, and lifespan characteristic. Using the compounds of the present invention, it is possible to manufacture an OLED device with a long operating lifespan. In addition, the compounds can improve the power efficiency of the device to reduce overall power consumption.

Abstract: The present invention relates to a novel organic electroluminescent compound and an organic electroluminescent device comprising the same. The organic electroluminescent compound according to the present invention is better in luminous efficiency and lifespan characteristics compared to conventional materials. Using the compounds of the present invention, it is possible to manufacture an OLED device with a long operational lifespan. In addition, the compounds can improve the power efficiency of the device to reduce overall power consumption.

Abstract: The present invention relates to a novel organic electroluminescent compound and an organic electroluminescent device containing the same. Using the organic electroluminescent compounds of the present invention, it is possible to manufacture an OLED device with a long operating lifespan and high luminous efficiency. In addition, the compounds can improve the power efficiency of the device to reduce overall power consumption.

Abstract: The present invention relates to novel organic electroluminescence compounds and an organic electroluminescence device comprising the same. The organic electroluminescence compound according to the present invention has an advantage of manufacturing an OLED device having long operating lifespan due to its high luminous efficiency compared with conventional materials, and having reduced power consumption induced by improved power efficiency.

Abstract: Provided are novel organic electroluminescent compounds and organic electroluminescent devices using the same. Since the organic electroluminescent compound exhibits good luminous efficiency and excellent life property, it may be used to manufacture OLED devices having superior operation life and consuming less power due to improved power efficiency.

Abstract: Provided are a novel compound for an organic electronic material and an organic electroluminescent device using the same. The compound for an organic electronic material according to the present invention has high electron transport efficiency, thereby preventing crystallization at the time manufacturing of a device, and allows a layer to be easily formed, thereby improving current characteristics of the device, and thus an OLED device having a lowered driving voltage and improved power efficiency as well as superior luminous efficiency and lifespan characteristics as compared with the existing material can be manufactured.