Study of Electronic Structure of Organic Semiconductor Materials and Inverted Bottom-Emission Organic Light-Emitting Devices
博士 === 國立交通大學 === 電子物理系所 === 95 === This research is divided into two parts: [1]Electronic structure of organic semiconductor materials – Study of electronic structure of organic semiconductor materials is based on the density functional theory calculations, which includes organic molecular structur...
| Main Authors: | , |
|---|---|
| Other Authors: | |
| Format: | Others |
| Language: | zh-TW |
| Published: |
2006
|
| Online Access: | http://ndltd.ncl.edu.tw/handle/47000442750120461079 |
| Summary: | 博士 === 國立交通大學 === 電子物理系所 === 95 === This research is divided into two parts:
[1]Electronic structure of organic semiconductor materials – Study of electronic structure of organic semiconductor materials is based on the density functional theory calculations, which includes organic molecular structure, electronic structure of molecular orbital and energy levels and energy gap. The calculated of IR spectra, singlet and triplet gaps and stokes shift of selected materials are found to be in good agreement with the experimental data. This study contributed to the understanding the characteristics of organic semiconductor and the designing of new materials.
[2]Inverted bottom-emission OLED (IBOLED) development - Inverted OLED is best suited for the large n-channel TFT active matrix OLED display technology. We have developed one of the most efficient (22 cd/A) green fluorescent IBOLED which is more efficient than that of the conventional OLED. The efficiency levels of the white OLED achieved 13.0 cd/A and 10.6 lm/W. The projected half-lifetime under an initial luminance of 400 cd/m2 is projected to be over 34,000 hours and the Commission International de l’Eclairage (CIE) coordinates are not affected by aging. The development of IBOLED is useful in fabricating AMOLED with high power efficiency and long device stability and is also expected to impact on the future development of low power solid-state lighting.
|
|---|