Seoul Viosys Co., Ltd.

Ki Yon Park

Hwa Mok Kim

Daewoong Suh

Young Hwan Son

Gun Woo Han

Jeong Hun Heo

Kyu Ho Lee

Jun Yong Park

Sung Hyun Lee

Hyung Kyu Kim

Chang Suk Han

Hyo Shik Choi

Yu Dae Han

Jae Young Choi

Woong Ki Jeong

Kyu Won Han

Choong Min Lee

Shi Hyun Ahn

Jong Man Kim

Woong Ki Jung

Soo Hyun Lee

Yuriy Bilenko

Mi So Ko

Seong Tae Jang

Eun Mi Choi

A light emitting apparatus includes a substrate, a plurality of light emitting structures, a window, and a reflector. The substrate has a luminous region and a non-luminous region. The plurality of light emitting structures is disposed on the luminous region of the substrate. The window has a dome shape and is disposed to cover the luminous region. The window is configured to control a traveling path of light emitted from the a plurality of light emitting structures. The reflector is configured to support the window and reflect the light emitted from the plurality of light emitting structures. The reflector has an opening that exposes the plurality of light emitting structures mounted on the substrate. A distance between two adjacent light emitting structures of the plurality of light emitting structures is 500 micrometers or less.

Light emitting apparatus and light radiator including the same

A light-emitting device package includes a substrate having a mounting region in which a light-emitting device chip is mounted. The light-emitting device package further includes a reflector and a cover enclosing the reflector. The reflector is disposed around the light-emitting device chip and having an opening through which the mounting region of the substrate is exposed. The reflector has elasticity to allow variation of a diameter thereof.

Light-emitting device package and manufacturing method therefor

A medical device for curing a liquid bandage including a body, an input unit disposed on an outer wall of the body and configured to receive a signal input from outside, a light source disposed at one end of the body and including a diode configured to emit UV light to cure the liquid bandage in response to a signal input to the input unit, a liquid bandage storage unit disposed inside the body to store the liquid bandage, a liquid bandage discharge unit disposed at the one end or the other end of the body and configured to discharge the liquid bandage from the liquid bandage storage unit, a lid configured to open or cover the liquid bandage discharge unit, and a light quantity controller configured to control a quantity of light emitted from the light source according to a signal sent from the input unit or preset data.

Medical device for curing liquid bandage and method for curing liquid bandage using same

A light emitting device includes a substrate, a plurality of light emitting diodes, a window, and a reflector. The substrate has a first region and a second region. The plurality of light emitting diodes are disposed on the first region of the substrate. The window has a dome shape and is disposed to cover the first region. The window is configured to control a traveling path of light emitted from the plurality of light emitting diodes. The reflector is configured to support the window and reflect the light emitted from the plurality of light emitting diodes. The reflector has an opening that exposes the plurality of light emitting diodes disposed on the substrate. A distance between two adjacent light emitting diodes of the plurality of light emitting diodes can be 500 micrometers or less.

A light emitting element package includes a substrate provided with an interconnect portion, a light emitting element mounted on the substrate and connected to the interconnect portion, and a cover member contacting an upper surface of the light emitting element while covering the light emitting element. The cover member comprises an organic polymer, which can have polymer nodes linked to each other, and has a light transmittance of 85% or more in an ultraviolet wavelength range.

Light emitting element package

A sterilizing device includes a pipe having an inlet and an outlet and allowing fluid to move therethrough and a light source provided on one side of the pipe and providing light to the fluid. At least a portion of the pipe is provided in a spiral shape and the inlet and/or the outlet are arranged in a light emitting region.

Sterilizing device

A detector has an internal sensing space, and includes a light source unit for emitting light into the sensing space, a reflector for reflecting the light, a sample supply for providing a sample into a path of the light, a first sensor unit for sensing the light reflected by the reflector, and a second sensor unit for sensing at least one of scattered light and fluorescence by the sample. The light source and the first and second sensor units are arranged in the sensing space.

Detector

A skin measurement apparatus for emitting a plurality of lights for photographing an image of the skin. A skin measurement apparatus includes an ultraviolet ray emitting device; a white light emitting device; a focus lens enabling incident light, which is an ultraviolet ray emitted by means of the ultraviolet ray emitting device and a white light emitted by means of the white light emitting device reflected off the skin and transmitted, to pass therethrough; and an emission control device for controlling the ultraviolet ray emitting device and the white light emitting device such that the ultraviolet ray and the white light can be emitted together. The emission control device adjusts the strength of the white light on the basis of white light control information from the outside.

Skin measurement apparatus and skin measurement system comprising ultraviolet ray emitting device

An ultraviolet ray detecting device is provided. The ultraviolet ray detecting device comprises: a substrate; a buffer layer disposed on the substrate; a light absorption layer disposed on the buffer layer; a capping layer disposed on the light absorption layer; and a Schottky layer disposed on a partial region of the capping layer, wherein the capping layer has an energy bandgap larger than that of the light absorption layer.

Ultraviolet ray detecting device having Shottky layer forming Shottky barrier

A light emitting apparatus comprises a substrate, a plurality of light-emitting diodes provided on the substrate and arranged in a matrix, and a dome-type window provided above the light-emitting diodes to control the path of light emitted from the light-emitting diodes. The height of the window is 70% or less of the diameter of the lower portion of the window so that the view angle of the light emitted from the light-emitting diodes is 90 degrees or less.

Disclosed are an ultraviolet measuring device, a photodetector, an ultraviolet detector, an ultraviolet index calculation device, and an electronic device or portable terminal including the same. In one aspect, an ultraviolet measuring is provided to comprise: a substrate on which an electrode is formed; a readout integrated circuit (ROTC) unit electrically connected with the electrode; and an aluminum gallium nitride (AlGaN) based UVB sensor electrically connected with the readout integrated circuit unit and formed on an insulating substrate, wherein the read-out integrated circuit converts a photocurrent input from the UV sensor into a digital signal including UV data.

Ultraviolet measuring device, photodetector element, ultraviolet detector, ultraviolet index calculation device, and electronic device including same

Exemplary embodiments provide a UV light emitting diode and a method of fabricating the same. The method of fabricating a UV light emitting diode includes growing a first n-type semiconductor layer including AlGaN, wherein growth of the first n-type semiconductor layer includes changing a growth pressure within a growth chamber and changing a flow rate of an n-type dopant source introduced into the growth chamber. A pressure change during growth of the first n-type semiconductor layer includes at least one cycle of a pressure increasing period and a pressure decreasing period over time, and change in flow rate of the n-type dopant source includes increasing the flow rate of the n-type dopant source in the form of at least one pulse. The UV light emitting diode fabricated by the method has excellent crystallinity.

UV light emitting diode and method of fabricating the same

A UV light emitting device is disclosed. The UV light emitting device includes: a substrate; an n-type semiconductor layer disposed on the substrate; an active layer disposed on then-type semiconductor layer; a hole injection layer disposed on the active layer and comprising Al; an Al-delta layer disposed on the hole injection layer and comprising Al; and a first p-type contact layer disposed on the Al-delta layer and having a higher doping concentration of p-type dopants than the hole injection layer, wherein the first p-type contact layer has a lower Al content than the hole injection layer, a band-gap of the first p-type contact layer is lower than or equal to energy of light emitted from the active layer, and the Al-delta layer has a higher Al content than the hole injection layer and allows holes to enter the active layer by tunneling therethrough.

Growing community of inventors

Ansan-si, South Korea

Ki Yon Park