发明授权
- 专利标题: Organic electroluminescent devices with enhanced light extraction
- 专利标题(中): 具有增强光提取的有机电致发光器件
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申请号: US09741961申请日: 2000-12-22
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公开(公告)号: US06777871B2公开(公告)日: 2004-08-17
- 发明人: Anil Raj Duggal , Lionel Monty Levinson , Joseph John Shiang
- 申请人: Anil Raj Duggal , Lionel Monty Levinson , Joseph John Shiang
- 主分类号: H01J162
- IPC分类号: H01J162
摘要:
An organic light emitting diode containing a first electrode, a second electrode, at least one organic light emitting layer, and an output coupler which reduces a Fresnel loss is provided. The index of refraction of the output coupler is matched to that of the adjacent layer of the device. The output coupler may be a dimpled transparent material or a composite layer containing light scattering particles to also reduce a critical angle loss.
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