Hwa-Yeul Oh | Researchain

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ieee international magnetics conference | 2005

Development of the conical spring linear vibrator (CSLV) for mobile phone

Jung-hyeon Kim; I.O. Park; Hwa-Yeul Oh; Jun-Sik Choi; Seok-jun Won

In this paper, we proposed a coin shaped linear vibrator having a conical spring. The design of linear vibrator is simple rather than rotary vibrator, which leads to lower cost, easy manufacturing and long lifetime. To increase the vibration force of linear vibrator, we used conical spring. This paper details design procedure of the conical spring linear vibrator (CSLV) using electromagnetic field simulation, structural FE simulation and transient vibration analysis.

Archive | 2008

THIN FILM TRANSITOR SUBSTRATE AND METHOD OF MANUFACTURING THE SAME

Sung-Ryul Kim; Sung-Hoon Yang; Byoung-June Kim; Czang-Ho Lee; Jae-Ho Choi; Hwa-Yeul Oh; Yong-Mo Choi

Archive | 2009

DISPLAY SUBSTRATE HAVING QUANTUM WELL FOR IMPROVED ELECTRON MOBILITY AND DISPLAY DEVICE INCLUDING THE SAME

Kap-Soo Yoon; Sung-Hoon Yang; Sung-Ryul Kim; Hwa-Yeul Oh; Jae-Ho Choi; Yong-Mo Choi

Archive | 2008

DISPLAY SUBSTRATE, DISPLAY DEVICE INCLUDING THE DISPLAY SUBSTRATE AND METHOD OF FABRICATING THE DISPLAY SUBSTRATE

Jae-Ho Choi; Sung-Hoon Yang; Kap-Soo Yoon; Sung-Ryul Kim; Hwa-Yeul Oh; Yong-Mo Choi

Archive | 2014

Thin film transistor substrate and the method thereof

Jean-Ho Song; Shin-Il Choi; Sun-Young Hong; Shi-Yul Kim; Ki-Yeup Lee; Jae-Hyoung Youn; Sung-Ryul Kim; Osung Seo; Yang-Ho Bae; Jong-Hyun Choung; Dong-ju Yang; Bong-Kyun Kim; Hwa-Yeul Oh; Pil-Soon Hong; Byeong-Beom Kim; Je-hyeong Park; Yu-gwang Jeong; Jong In Kim; Nam-Seok Suh

Archive | 2007