Abstract: The present invention relates to a system for diagnosis and management of indoor air quality, and more particularly to a system for diagnosis and management of indoor air quality which is capable of obtaining and analyzing air quality data by measuring the indoor air quality of a vehicle or accommodation space and of detecting smoking or non-smoking, the type of smoking, and an abnormal situation by diagnosing at least one of indoor smoking and smoking types. In addition, the present invention relates to a technology for facilitating the management of accommodation by efficiently diagnosing indoor air quality.

Abstract: The present invention provides a pharmaceutical composition for preventing or treating Alzheimer's disease and a food composition for relieving symptoms of Alzheimer's disease, which comprise a mountain-cultivated ginseng extract. The composition comprising the mountain-cultivated ginseng extract of the present invention is beneficially used as a pharmaceutical composition for preventing or treating Alzheimer's disease in the medical field for the treatment of Alzheimer's disease or as a food composition for relieving the symptoms of Alzheimer's disease.

Abstract: The present invention provides a pharmaceutical composition for preventing or treating Alzheimer's disease and a food composition for relieving symptoms of Alzheimer's disease, which comprise a mountain-cultivated ginseng extract. The composition comprising the mountain-cultivated ginseng extract of the present invention is beneficially used as a pharmaceutical composition for preventing or treating Alzheimer's disease in the medical field for the treatment of Alzheimer's disease or as a food composition for relieving the symptoms of Alzheimer's disease.

Abstract: A semiconductor light-emitting device includes a light-emitting stack including a first conductivity-type semiconductor layer, a second conductivity-type semiconductor layer, and an active layer disposed between the first conductivity-type semiconductor layer and the second conductivity-type semiconductor layer, a wavelength conversion layer disposed on the light-emitting stack and configured to convert at least some of light having a first wavelength, emitted from the active layer, into light having a second wavelength, and a light control layer disposed between the light-emitting stack and the wavelength conversion layer, and including a first insulating layer and a second insulating layer, the first insulating layer having a refractive index lower than a refractive index of the light-emitting stack, and the second insulating layer having a refractive index higher than a refractive index of the first insulating layer by 0.5 or more.

Abstract: Disclosed is a pore adjusting filtering apparatus including: a cylinder having a plurality of holes and in which a screw is rotatably installed; an endless track coupled to an outer peripheral surface of the cylinder by a cylinder, an endless track pin, and a support to be rotatable together with the cylinder; a fiber yarn bundle support rod inserted into the endless track to be connected to the endless track; a fiber yarn bundle, one end of which is fitted with and supported by the fiber yarn bundle support rod; a fiber yarn bundle support net for supporting the fiber yarn bundle while being attached to an outer peripheral surface of the fiber yarn bundle; a cleaning separator fixedly installed at an upper outer side of the cylinder; and an ejector installed on an upper outer side of the cylinder.

Abstract: A semiconductor light emitting device includes: a light emitting structure including a first conductivity-type semiconductor layer and a second conductivity-type semiconductor layer respectively providing a first surface and a second surface, opposite to each other, of the light emitting structure, and an active layer interposed between the first conductivity-type semiconductor layer and the second conductivity-type semiconductor layer, a region of the first conductivity-type semiconductor layer being open toward the second surface, and the first surface having a concavo-convex portion disposed thereon; a first electrode and a second electrode disposed on the region of the first conductivity-type semiconductor layer and a region of the second conductivity-type semiconductor layer, respectively; a transparent support substrate disposed on the first surface of the light emitting structure; and a transparent adhesive layer disposed between the first surface of the light emitting structure and the transparent sup

Abstract: A semiconductor light emitting device includes: a light emitting structure including a first conductivity-type semiconductor layer and a second conductivity-type semiconductor layer respectively providing a first surface and a second surface, opposite to each other, of the light emitting structure, and an active layer interposed between the first conductivity-type semiconductor layer and the second conductivity-type semiconductor layer, a region of the first conductivity-type semiconductor layer being open toward the second surface, and the first surface having a concavo-convex portion disposed thereon; a first electrode and a second electrode disposed on the region of the first conductivity-type semiconductor layer and a region of the second conductivity-type semiconductor layer, respectively; a transparent support substrate disposed on the first surface of the light emitting structure; and a transparent adhesive layer disposed between the first surface of the light emitting structure and the transparent sup

Abstract: A light-emitting device includes a light-emitting structure, a lens, and a reflective layer. The light-emitting structure includes a light-emitting stack structure including a first-conductivity-type semiconductor layer, an active layer, and a second-conductivity-type semiconductor layer, which are stacked, a first electrode layer electrically connected to the first-conductivity-type semiconductor layer, and a second electrode layer electrically connected to the second-conductivity-type semiconductor layer. The lens is located on the light-emitting structure. The reflective layer is located on the lens.

Abstract: A light-emitting device includes a light-emitting structure, a lens, and a reflective layer. The light-emitting structure includes a light-emitting stack structure including a first-conductivity-type semiconductor layer, an active layer, and a second-conductivity-type semiconductor layer, which are stacked, a first electrode layer electrically connected to the first-conductivity-type semiconductor layer, and a second electrode layer electrically connected to the second-conductivity-type semiconductor layer. The lens is located on the light-emitting structure. The reflective layer is located on the lens.

Abstract: Disclosed is a pore adjusting filtering apparatus including: a cylinder having a plurality of holes and in which a screw is rotatably installed; an endless track coupled to an outer peripheral surface of the cylinder by a cylinder, an endless track pin, and a support to be rotatable together with the cylinder; a fiber yarn bundle support rod inserted into the endless track to be connected to the endless track; a fiber yarn bundle, one end of which is fitted with and supported by the fiber yarn bundle support rod; a fiber yarn bundle support net for supporting the fiber yarn bundle while being attached to an outer peripheral surface of the fiber yarn bundle; a cleaning separator fixedly installed at an upper outer side of the cylinder; and an ejector installed on an upper outer side of the cylinder.

Abstract: A semiconductor light-emitting device includes a light-emitting stack including a first conductivity-type semiconductor layer, a second conductivity-type semiconductor layer, and an active layer disposed between the first conductivity-type semiconductor layer and the second conductivity-type semiconductor layer, a wavelength conversion layer disposed on the light-emitting stack and configured to convert at least some of light having a first wavelength, emitted from the active layer, into light having a second wavelength, and a light control layer disposed between the light-emitting stack and the wavelength conversion layer, and including a first insulating layer and a second insulating layer, the first insulating layer having a refractive index lower than a refractive index of the light-emitting stack, and the second insulating layer having a refractive index higher than a refractive index of the first insulating layer by 0.5 or more.

Abstract: A semiconductor light emitting device includes: a light emitting structure including a first conductivity-type semiconductor layer and a second conductivity-type semiconductor layer respectively providing a first surface and a second surface, opposite to each other, of the light emitting structure, and an active layer interposed between the first conductivity-type semiconductor layer and the second conductivity-type semiconductor layer, a region of the first conductivity-type semiconductor layer being open toward the second surface, and the first surface having a concavo-convex portion disposed thereon; a first electrode and a second electrode disposed on the region of the first conductivity-type semiconductor layer and a region of the second conductivity-type semiconductor layer, respectively; a transparent support substrate disposed on the first surface of the light emitting structure; and a transparent adhesive layer disposed between the first surface of the light emitting structure and the transparent sup

Abstract: Disclosed is a pore adjusting filtering apparatus including: a cylinder having a plurality of holes and in which a screw is rotatably installed; an endless track coupled to an outer peripheral surface of the cylinder; a fiber yarn bundle support rod inserted into the endless track; a fiber yarn bundle fitted with and supported by the fiber yarn bundle support rod; a fiber yarn bundle support net for supporting the fiber yarn bundle; a cleaning separator fixedly installed at an upper outer side of the cylinder, for supporting the fiber yarn bundle support net; and an ejector installed on an upper outer side of the cylinder, for removing contaminants by ejecting water to the fiber yarn bundle while the fiber yarn bundle and the fiber yarn bundle support net are separated from each other.