如飞利浦公司正计划在非洲推出一款太阳能的发光二极管阅读灯，这里据估计有5亿人用不上电。
Philips, for instance, is planning to launch a small solar-powered LED reading light for Africa, where an estimated 500m people live without electricity.
这个研究组相信他们的这种在纳米线阵列形成后即刻得到的顶端接触方法具有普适性，并且有可能在电驱动的纳米线激光器和发光二极管（LED）方面有潜在的应用。
The team believes its approach of creating a top contact to nanowire arrays as-grown is universally applicable and may be useful in the design of electrically driven nanowire lasers and LEDs.
应用时空分割原理，通过光、机、电一体化技术即可减少发光二极管的使用数量，以降低成本。
By applying the principle of time-space, light-machine-electricity integration can reduce the use of LED to cut down the cost.
在提高聚合物发光二极管的各项性能的进程中，电注入发光聚合物的能带工程将起着积极的作用。
During the improvement of their performance, the energy band engineering of electroluminescent polymers will take positive effect.
在提高聚合物发光二极管的各项性能的进程中，电注入发光聚合物的能带工程将起着积极的作用。
During the improvement of their performance, the energy band engineering of electroluminescent polymers will take positive effect.
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