鉑錯合物及使用其的有機發光二極體

專利類型

發明

專利國別 (專利申請國家)

中華民國

專利申請案號

105122418

專利證號

I 611004

專利獲證名稱

鉑錯合物及使用其的有機發光二極體

專利所屬機關 (申請機關)

國立清華大學

獲證日期

2018/01/11

技術說明

本發明之鉑錯合物，因含有吡唑或三唑基團及具有拉電子能力的氟烷基，可幫助調整鉑錯合物的能階，使HOMO能階與LUMO能階的差值符合需求，另外並維持鉑錯合物的剛性，且經激發後，可經由金屬-金屬鍵結軌域至螯合配基之反鍵結 軌域的電荷轉移的機制而放射出光色為紅光至藍光的色光，且具有良好的放光效率，而能應用在製造有機發光二極體上。 Since the platinum complex having the above structure contains pyrazole or a triazole group and a fluoroalkyl group having electron-withdrawing capability, the energy level of the platinum complex can be more readily adjusted, such that the difference between the HOMO energy level and the LUMO energy level meets requirements. Moreover, the rigidity of the platinum complex is maintained, and after excitation, red to blue color light can be emitted via the mechanism of charge transfer from the metal-metal bonding orbital to the anti-bonding orbital of chelating ligand. As a result, the platinum complex having the above structure has good luminous efficiency and can be applied to the fabrication of an organic light-emitting diode (OLED).

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