有机发光二极管
光电子学
偏振器
电致发光
材料科学
光伏系统
数码产品
高对比度
光学
纳米技术
物理
电气工程
双折射
工程类
图层(电子)
作者
Chih‐Jen Yang,Ting‐Yi Cho,Chun‐Liang Lin,Chung‐Chih Wu
摘要
In this letter, the authors report that by integrating organic light-emitting devices (OLEDs) with solar cells, luminous ambient-light reflection as low as 1.4% (even superior to that achieved with polarizers) can be achieved without compromising the electroluminescence efficiency for high-contrast display applications. Furthermore, in such a configuration, the photon energies of the incident ambient light and the portion of OLED emission not getting outside of the device can be recycled into useful electrical power via the photovoltaic action, instead of being totally wasted as in other reported contrast-enhancement techniques. These features, the authors believe, shall make this technique attractive for high-contrast display applications and portable/mobile electronics that are highly power aware.
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