Lg Electronics Inc.

Chiwan Park

Kijung Sung

Hyunho Oh

Taedong Shin

Kwanghee Kang

Guedong Lee

An air-quality detection apparatus is disclosed. The air-quality detection apparatus includes a casing body including a bottom and a side wall extending upwards from the circumference of the bottom, a first printed circuit board (PCB) disposed horizontally above the bottom, a temperature/humidity sensor mounted on the bottom surface of the first PCB, a second PCB disposed horizontally above the first PCB, and a COsensor mounted on the second PCB.

Air-quality detection apparatus

Disclosed are particulate matter measuring device and a particulate matter information utilizing system, the particulate matter measuring device including: a particulate matter concentration measuring sensor configured to measure particulate matter concentration information; a location sensing module configured to select location information of a place where the particulate matter concentration information is measured by the particulate matter concentration measuring sensor; a communication module configured to communicate with an electronic device; and a control module configured to output a control signal to control the electronic device, based on the particulate matter concentration information and location information corresponding to the particulate matter concentration information.

Device for measuring fine dust and fine dust information utilization system comprising same

Disclosed is an air-quality detection apparatus including a casing body including a bottom and a side wall, a first printed circuit board (PCB) disposed horizontally above the bottom, a second PCB disposed horizontally in a first region above the first PCB, a COsensor mounted on the second PCB, a volatile organic compound (VOC) sensor mounted in a second region on the first PCB that is closer to the side wall than the first region, a third PCB, which is disposed horizontally at a position spaced further upwards apart from the bottom than the first PCB and at least a portion of which is disposed in a third region that does not overlap the first PCB when the bottom is viewed from above, a fourth PCB disposed horizontally above the second PCB and the third PCB, and a dust sensor mounted on the fourth PCB.

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Seoul, South Korea

Chiwan Park