Hyundai Motor Company

Sk Siltron Co., Ltd.

Kwang-Yong Choi

Jae-Ho Song

Dong-Kun Lee

Young-Jae Choi

Kye-Jin Lee

Jung-Hyun Eum

Provided is a semiconductor substrate including a growth substrate, one or more compound semiconductor layers disposed on the growth substrate, and one or more control layers disposed between the compound semiconductor layers. Each control layer includes multiple nitride semiconductor layers including at least Al.

Semiconductor substrate for controlling a strain

The method for controlling a hybrid air conditioning system of a direct coupled motor-driven hybrid electric vehicle includes detecting operating conditions of the air conditioning system; and controlling the hybrid air conditioning system. The hybrid air conditioning system includes a mechanical air conditioner driven by an engine and an electric air conditioner driven by electric power of a battery.

Hybrid air-conditioning system and method thereof for hybrid electric vehicle

Growing community of inventors

Seoul, South Korea

Kwang-Yong Choi