Samsung Electronics Co., Ltd.

Postech Research and Business Development Foundation

Jeonghyeon Park

Hyukjae Kwon

Minseok Koo

Jaerim Kim

A filtering system includes a catalyst filter including a plurality of channels through which air is introduced, and a light-emitting device arranged to irradiate light to the catalyst filter for catalyst activation, where the light-emitting device includes a light source array including a plurality of first light sources corresponding one-to-one with the plurality of channels. Each of the plurality of first light sources may include a substrate, a first light-emitting device on the substrate, and a capsule which seals the first light-emitting device on the substrate. Only one first light-emitting device is provided in the capsule, or a second light-emitting device is further provided together with the first light-emitting device in the capsule.

Growing community of inventors

Pohang-si, South Korea

Jeonghyeon Park