Electroluminescent materials grafted with charge transport moieties having graded ionization potential or electrophilic property and their application in light-emitting diodes
申请人:Chen Show-An
公开号:US20090066238A1
公开(公告)日:2009-03-12
This invention provides new electroluminescent materials such as a conjugated polymer or a phosphorescent organometallic complex, which are grafted with multiple charge transport moieties with graded ionization potential or electrophilic property. The charge transport moieties can be all hole transport moieties or all electron transport moieties. The emissive electroluminescent materials covering the full visible range can be prepared. Organic light emitting diodes prepared with these materials can be used as indicators, light source and display for cellular phones, digital camera, pager, portable computer, personal data acquisition (PDA), watch, hand-held videogame, and billboard, etc.
该发明提供了新的电致发光材料,例如共轭聚合物或磷光有机金属配合物,它们被嫁接了多个带有分级电离势或亲电性的电荷传输基团。这些电荷传输基团可以全部是空穴传输基团或全部是电子传输基团。可以制备覆盖整个可见光范围的发光电致发光材料。使用这些材料制备的有机发光二极管可以用作手机、数码相机、寻呼机、便携式电脑、个人数据采集器(PDA)、手持视频游戏和广告牌等的指示器、光源和显示器。