[1] Sun Yat Sen Univ, State Key Lab Optoelect Mat & Technol, Sch Elect & Informat Technol, Guangzhou 510275, Guangdong, Peoples R China
[2] Shenzhen China Star Optoelect Technol Co Ltd, Shenzhen 510000, Peoples R China
[3] Hong Kong Univ Sci & Technol, State Key Lab Adv Displays & Optoelect Technol, Hong Kong 999077, Hong Kong, Peoples R China
[4] Natl Chiao Tung Univ, Dept Photon, Hsinchu 30010, Taiwan
[5] Natl Chiao Tung Univ, Display Inst, Hsinchu 30010, Taiwan