Synthesis of Polyurethane Based Hole-Transporting Materials and Application for Organic Light Emitting Diode

• Main Authors: Cheng-Hsiu Ku, 辜政脩
• Other Authors: Kuo-Huang Hsieh
• Format: Others
• Language: zh-TW
• Published: 2008
• Online Access: http://ndltd.ncl.edu.tw/handle/36128409294446222259

博士 === 國立臺灣大學 === 高分子科學與工程學研究所 === 96 === There are many kinds of pathway to improve the OLED or PLED device performance. In this thesis, hole-transporting materials were been focused subject and different routes were also been provided, including using surface modified method technology to do the modification on ITO glass surface by using oligo (phenylene vilyene) silane as hole transporting layer in chapter 2, synthesized the 9-(4-pentaphenylphenylphenyl)-9H-carbazole and co-evaporated with α-NPB function as hole transporting material and host in chapter 3 and functionalized Polyurethanes containing carbazole, OXD and Triphenylamine-derived for hole-transporting material in OLED device in chapter 4, 5. New polymers and organic materials were used as the hole transport layer (HTL) to improve the device performance. Such materials are not only reduced the driving voltage but also improve the current efficiency. We also observed that the current efficiency in the device is increased due to more carrier injection and better electron-hole balance.