How to improve the conversion efficiency of light to electricity becomes the research hotspot.

因此如何进一步提高其光电转换效率成为研究的热点。

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With its visual effect there produced a new understanding on light, and also it becomes a hotspot of city night piece.

它以其震撼的视听效果让人们对灯光产生了一个全新的认识，已成为城市夜景建设的热点。

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Organic light-emitting device (OLED) has become hotspot in the research of display field, which is regarded as the most competitive display in the future because of some special merits.

有机发光器件(OLED)已成为显示技术研究的热点，它的一些特有的优点被认为是未来最有竞争力的显示器。

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