SBIR Phase II: Ultra High Efficiency Printable Quantum Dot Light-Emitting Display

SBIR第二阶段：超高效率可印刷量子点发光显示器

• 批准号: 1353411
• 负责人: Paul Holloway
• 金额: $ 74.33万
• 依托单位: NanoPhotonica
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 2014
• 资助国家: 美国
• 起止时间: 2014-04-15 至 2017-03-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=1353411&HistoricalAwards=false
• 关键词: SBIR; Phase; II; Ultra; Efficiency

This Small Business Innovation Research (SBIR) Phase II project aims to further enhance the efficiency and lifetime of quantum dot light emitting diodes (QD-LEDs) used for displays. An active matrix QD-LED prototype display will be demonstrated using solution processing. The lifetime of QD-LED will be extended by determining degradation mechanisms, and development of new materials, modified device processing and encapsulation techniques. The effects of charge imbalance and light trapping on the efficiency of QD-LED will be determined and optimized. External quantum efficiencies will exceed 18%. Lifetimes of QD-LEDs exceeding 10,000 hours for all three primary colors will be demonstrated, which meets the requirement for mobile display applications.The broader impact/commercial potential of this project will be a demonstration that quantum dot light-emitting diodes (QD-LEDs) have the commercial advantages of high efficiencies and long lifetimes. QD-LED will be welcomed by the display industry which is now desperately searching for next generation technologies. The demonstration of an active matrix QD-LED display prototype with a solution printing process will be a critical step towards the commercialization. The systematic investigation of technical details involved in the printing process of active matrix QD-LEDs will enable the construction of a pilot facility and eventual mass production. The simple architecture and solution fabrication process will provide significant cost advantages over conventional processes.

该小型企业创新研究（SBIR）第二阶段项目旨在进一步提高用于显示器的量子点发光二极管（QD-LED）的效率和寿命。一个有源矩阵QD-LED原型显示器将使用解决方案处理。QD-LED的寿命将通过确定退化机制、开发新材料、改进器件加工和封装技术来延长。电荷不平衡和光陷阱对量子点发光二极管效率的影响将被确定和优化。外部量子效率将超过18%。 该项目将展示所有三基色的QD-LED寿命超过10，000小时，满足移动的显示应用的要求。该项目的更广泛影响/商业潜力将是展示量子点发光二极管（QD-LED）具有高效率和长寿命的商业优势。QD-LED将受到目前正在拼命寻找下一代技术的显示器行业的欢迎。采用溶液印刷工艺的有源矩阵QD-LED显示屏原型的演示将是迈向商业化的关键一步。对有源矩阵QD-LED印刷过程中所涉及的技术细节进行系统研究，将使试点设施的建设和最终的大规模生产成为可能。简单的架构和溶液制造工艺将提供优于常规工艺的显著成本优势。