초록 |
The molecular design of Thermally Activated Delayed Flourescence (TADF) with excellent quantum efficiency minimizes the energy difference between singlet and triplet energy states, so that the triplet state to singlet state transition (Reverse Intersystem Crossing (RISC) can easily occur, and the donor intensity and it should be designed to emit blue light in the short wavelength region by controlling the intensity of the donor and acceptor. In this study, the triazole derivatives DMAC-tTAZ and DPX-tTAZ were designed and synthesized with a deep blue TADF material that can be used in the light emitting layer of an organic light emitting diode (OLED) device. DMAC-tTAZ and DPX-tTAZ used DMAC and PX as electron donor units and tTAZ as electron acceptor units, respectively, to control singlet state and triplet state energy. ** This research was supported by the KDRC (Korea Display Research Consortium) support program for the development of future devices technology for display industry. |