1. Department of Mechanical Design Engineering, Chonnam National University, 50 Daehak-ro, Yeosu, Chonnam 59626, Republic of Korea
2. Corporate Growth Support Center, Jeonnam Yeosu Industry-University Convergence Agency, 17 Samdong 3-gil, Yeosu, Chonnam 59631, Repulic of Korea
3. Lighting Materials and Components Research Center, Korea Photonics Technology Institute (KOPTI), Gwangju 61007, Republic of Korea