[1] Natl Sun Yat Sen Univ, Dept Photon, Kaohsiung 804, Taiwan
[2] Natl Sun Yat Sen Univ, Dept Phys, Kaohsiung 804, Taiwan
[3] Natl Sun Yat Sen Univ, Dept Chem, Kaohsiung 804, Taiwan
[4] Natl Sun Yat Sen Univ, Dept Mat & Optoelect Sci, Kaohsiung 804, Taiwan
[5] Natl Cheng Kung Univ, Adv Optoelect Technol Ctr, Tainan 701, Taiwan
[6] Natl Chiao Tung Univ, Inst Electroopt Engn, Hsinchu 300, Taiwan
[7] Natl Chiao Tung Univ, Dept Electrophys, Hsinchu 300, Taiwan
[8] AU Optron Co Ltd, New Display Proc Res Div, Taoyuan 300, Taiwan
[9] Ind Technol Res Inst, 195 Sect 4,Chung Hsing Rd, Hsinchu 31040, Taiwan