1. College of Photonics National Yang Ming Chiao Tung University Tainan 71150 Taiwan
2. Institute of Lighting and Energy Photonics National Yang Ming Chiao Tung University Tainan 71150 Taiwan
3. Department of Electrical Engineering Yuan Ze University Taoyuan 32003 Taiwan
4. Organic Electronic Research Center Ming Chi University of Technology New Taipei City 24031 Taiwan
5. Department of Applied Chemistry Providence University Taichung 43301 Taiwan