Hong Kong University of Science and Technology , Clear Water Bay, Kowloon, Hong Kong.
Institute of Photonic System, National Chiao Tung University , Tainan, Taiwan 711.
ACS Appl Mater Interfaces. 2017 Oct 11;9(40):35279-35286. doi: 10.1021/acsami.7b03386. Epub 2017 Sep 27.
This study developed flexible light-emitting diodes (LEDs) with warm white and neutral white light. A simple ultraviolet flip-chip sticking process was adopted for the pumping source and combined with polymer and quantum dot (QD) films technology to yield white light. The polymer-blended flexible LEDs exhibited higher luminous efficiency than the QD-blended flexible LEDs. Moreover, the polymer-blended LEDs achieved excellent color-rendering index (CRI) values (Ra = 96 and R9 = 96), with high reliability, demonstrating high suitability for special applications like accent, down, or retrofit lights in the future. In places such as a museum, kitchen, or surgery room, its high R9 and high CRI characteristics can provide high-quality services.
本研究开发了具有暖白光和中性白光的柔性发光二极管（LED）。采用简单的紫外翻转芯片贴合工艺作为泵浦源，并结合聚合物和量子点（QD）薄膜技术产生白光。聚合物混合的柔性 LED 的光效高于 QD 混合的柔性 LED。此外，聚合物混合的 LED 实现了优异的显色指数（CRI）值（Ra = 96 和 R9 = 96），具有高可靠性，表明其非常适合未来在特殊应用中作为强调、下照或改装灯使用。在博物馆、厨房或手术室内等场所，其高 R9 和高 CRI 特性可以提供高质量的服务。
