Seoul Viosys Co., Ltd.

Seoul Opto Device Co., Ltd.

Sk Biopharmaceuticals Co., Ltd.

Seoul Semiconductor Co., Ltd.

Seoul Vlosys Co., Ltd.

Yeo Jin Yoon

Kyoung Wan Kim

Jong Kyu Kim

Won Cheol Seo

Jin Young Lee

Ye Seul Kim

Dae Won Kim

Seom Geun Lee

Jae Ho Lee

Eu Jin Hwang

Mae Yi Kim

Kyung Hee Ye

Jae Kwon Kim

Keum Ju Lee

Sang Hyun Oh

Chang Yeon Kim

Joon Hee Lee

Jong Lam Lee

Jun Hee Lee

Da Yeon Jeong

Jae Young Choi

So Ra Lee

Dae Sung Kal

Chang Youn Kim

Se Hee Oh

Woong Ki Jeong

Kyu Won Han

Chung Hoon Lee

Dae Sung Cho

Sang Won Woo

Myoung Hak Yang

Duk Il Suh

Jeong Hee Yang

Hwa Mok Kim

Jong Kyun You

Sum Geun Lee

Tae Kyoon Kim

Jang Woo Lee

Jin Cheol Shin

Yong Woo Ryu

Hyoung Jin Lim

Jae Moo Kim

Jin Cheul Shin

Kyung Wan Kim

Jin Sung Kim

Ki Bum Nam

Myung Jin Jung

Ju Young Lee

Chan Seob Shin

Jae Hak Jeong

Da Hye Kim

Eun Ju Choi

Si Ho Yu

Young Wug Kim

Yong Soo Kim

Tae Hyuk Im

Yu Jin Shin

Young Soon Kang

Chang Ik Im

Yu Jin Kim

Byung Chul Joo

Hee Jeong Lim

Min Soo Han

Eun Hee Baek

Jong Hwan Kim

Joo Young Park

Ka Eun Lee

Hyun Haeng Lee

Choon Ho Ryu

Yea Mi Song

In Soo Kim

Min Woo Kang

Hyun A Kim

Joon Sup Lee

Ji Won Lee

Kyu Ho Lee

Jacob J Richardson

Jun Yong Park

Lacroix Yves

In Kyu Park

Evan C O'Hara

Ji Hye Kim

Jeong Hun Heo

Joo Won Choi

Daniel Estrada

Hye Kyung Min

Jin Yong Chung

Duck Hwan Oh

Haoran Shi

Su Young Lee

Jae Hyun Park

Jae-Ho Lee

Dae-Won Kim

Tae Gyun Kim

Mi So Ko

Han Ju Yi

Sun Gwan Hwang

Eun Ju Ryu

Soo Young Moon

Sang Mi Chae

A sterilization module including a main body, a circuit board disposed in the main body, a light source disposed on the circuit board to emit sterilizing light, and a transparent unit to protect the light source from an outside and including a material that transmits the sterilizing light, in which the light source includes a mesa including a first semiconductor layer, an active layer, and a second semiconductor layer, a first electrode electrically connected to the first semiconductor layer, and a second electrode disposed on the second semiconductor layer and electrically connected to the second semiconductor layer, in which the first electrode includes a first contact region disposed on the outer area of the first semiconductor layer and a second contact region at least partially surrounded by the mesa, and a distance between the transparent unit and the circuit board is greater than a height of the light source.

Sterilization module

Disclosed are oxadiazole compounds and pharmaceutically acceptable salts thereof. The compounds and pharmaceutically acceptable salts thereof are specifically suitable for the treatment of neurological diseases such as epilepsy.

Compound having oxadiazole and pharmaceutical composition containing the same

A light emitting module including a light source configured to irradiate ultraviolet light, a board on which the light source is disposed, a tube accommodating the board and including a transparent region to transmit the ultraviolet light emitted from the light source, a first base coupled to one side of the tube, a second base coupled to the other side of the tube, a fixation groove disposed in the tube and connected to at least one of the first and second bases, in which the board is coupled to be inserted into the fixation groove, and the fixation groove is spaced apart from a center of the first base when viewed in a cross-section perpendicular to a length direction of the tube.

Sterilization module and water purifying device including same

A sterilization module including a light source configured to irradiate ultraviolet light, a board on which the light source is mounted, a protective tube accommodating the board therein and configured to transmit ultraviolet light irradiated from the light source, a first base coupled to one side of the protective tube, and a second base coupled to the other side of the protective tube, in which at least one of the first base and the second base includes an insertion part to be inserted into the protective tube, the insertion part having a first diameter when viewed in a first cross-section perpendicular to a length direction of the protective tube, and a cover part integrally formed on the insertion part and having a second diameter greater than the first diameter in the first cross-section.

Sterilization module and water purifying device having the same

A sterilizing module includes a main body and a light source. The main body includes an inner surface, an outer surface and an internal space to treat a target substance in a fluid and connected an inlet and a outlet. The light source is configured to emit light toward the internal space to sterilize the target substance in the fluid. The light source includes a substrate and a plurality of light emitting structures disposed on the substrate. The plurality of light emitting structures is disposed to be spaced apart each other. A first distance between two light emitting structures is adjacent to each other varies depending on a second distance from each light emitting structure to the inner surface of the main body. The second distance has a maximum value and a minimum value of illuminance and a difference between the maximum and the minimum value thereof is about more than 75%.

Fluid treatment apparatus

A sterilization module including a main body including an ultraviolet outlet, a transparent member disposed on the ultraviolet outlet to transmit ultraviolet light, and a light source unit irradiating ultraviolet light toward the transparent member, and a sealing member, in which the light source unit includes a circuit board and a light emitting diode chip mounted thereon and including an epitaxial substrate, a conductive semiconductor layer electrically connected to the circuit board directly by an electrode, ultraviolet light is c irradiated toward the transparent member by passing through the epitaxial substrate, the sealing member is disposed between the transparent member and the circuit board, and a distance between the transparent member and the circuit board spaced apart from each other by the sealing member is greater than a height of the light emitting diode chip.

An insecticide fumigator including a chemical cartridge mount on which a chemical cartridge is configured to be mounted, a heater disposed near the chemical cartridge mount and configured to heat the chemical cartridge such that an insecticide in the chemical cartridge is evaporated from a fumigation part of the chemical cartridge, a light source disposed near the fumigation part and configured to emit light having a first wavelength range to attract insects, and a housing provided with the chemical cartridge mount and receiving the heater and the light source, in which the light source includes a UV LED and a substrate on which the UV LED is mounted, and the housing has a light passage hole through which light emitted from the light source passes.

Insecticide fumigator for luring mosquitos by means of ultraviolet light emitting diode

A light-emitting element includes a light-emitting structure including a first conductive semiconductor layer, a second conductive semiconductor layer, and an active layer interposed between the first conductive semiconductor layer and the second conductive semiconductor layer; a first contact electrode and a second contact electrode located on the light-emitting structure, and respectively making ohmic contact with the first conductive semiconductor layer and the second conductive semiconductor layer; an insulation layer for covering a part of the first contact electrode and the second contact electrode so as to insulate the first contact electrode and the second contact electrode; a first electrode pad and a second electrode pad electrically connected to each of the first contact electrode and the second contact electrode; and a radiation pad formed on the insulation layer, and radiating heat generated from the light-emitting structure.

Light-emitting element including intermediate connection and branches

A fluid treatment device includes a pipe including an inlet, an outlet, an internal space through which a fluid moves and including a light source part disposed in the internal space and providing a light to the fluid. The light source part includes at least one light source unit having a substrate and a plurality of light sources disposed on the substrate and emitting the light. A ratio of a first distance between two light sources adjacent to each other to a second distance between each light source and an inner circumferential surface of the pipe is 1:1.25 or less when viewed in a longitudinal-section.

A light-emitting device is provided. The light-emitting device comprises: a first body unit including a base part and at least three conductive patterns positioned on the base part while including a plurality of element loading areas; and a plurality of light-emitting elements positioned on the plurality of element loading areas of the first body unit, wherein at least one conductive pattern among the conductive patterns is electrically connected to at least two light-emitting elements, the at least two light-emitting elements are connected to each other in series, at least two conductive patterns among the conductive patterns include pad electrode areas, an area of the plurality of conductive patterns is 80% or more of an upper surface area of the base part, and a separation distance among the plurality of conductive patterns is 200 &#x3bc;m to 2,400 &#x3bc;m.

Ultraviolet ray emitting device having maximized electrode area for improved heat dissipation

Disclosed herein is an LED chip including electrode pads. The LED chip includes a semiconductor stack including a first conductive type semiconductor layer, a second conductive type semiconductor layer on the first conductive type semiconductor layer, and an active layer interposed between the first conductive type semiconductor layer and the second conductive type semiconductor layer; a first electrode pad located on the second conductive type semiconductor layer opposite to the first conductive type semiconductor layer; a first electrode extension extending from the first electrode pad and connected to the first conductive type semiconductor layer; a second electrode pad electrically connected to the second conductive type semiconductor layer; and an insulation layer interposed between the first electrode pad and the second conductive type semiconductor layer. The LED chip includes the first electrode pad on the second conductive type semiconductor layer, thereby increasing a light emitting area.

Light emitting diode chip having electrode pad

A light emitting diode is provided to comprises: a substrate that has an elongated rectangular shape in one direction; a light emitting structure positioned on the substrate and having an opening for exposing a first conductive semiconductor layer; a first electrode pad disposed to be closer to a first corner of the substrate; a second electrode pad disposed to be relatively closer to a second corner of the substrate opposing to the first corner; a first extension extending from the first electrode pad; and a second extension and a third extension extending from the second electrode pad to sides of the first extension, wherein an imaginary line connecting an end of the second extension and an end of the third extension is located between the first electrode pad and the first corner.

Light emitting diode

Growing community of inventors

Ansan-si, South Korea

Yeo Jin Yoon