Integrated Thin-film Transistors with MicroLED Arrays for Flexible Displays

用于柔性显示器的集成薄膜晶体管与 MicroLED 阵列

• 批准号: 544496-2019
• 负责人: Wong, William
• 金额: $ 1.09万
• 依托单位: University of Waterloo
• 依托单位国家: 加拿大
• 项目类别: Idea to Innovation
• 财政年份: 2019
• 资助国家: 加拿大
• 起止时间: 2019-01-01 至 2020-12-31
• 项目状态: 已结题
• 来源: https://www.nserc-crsng.gc.ca/ase-oro/Details-Detailles_eng.asp?id=675468
• 关键词: Integrated; Thin; film; Transistors; MicroLED

Researchers at the University of Waterloo have developed a novel integration technique that combines thin-film transistors (TFTs) with light-emitting diodes (LEDs) onto large-area flexible substrates. The technology incorporates an unique TFT-circuit design and layer transfer process to create electrically stable micro-LED pixels. This technology addresses major challenges to the integration of mico-LEDs onto display backplane arrays and the electrical instability of the pixel transistors in flexible electronic systems. Electrical and optical characterization showed the current-voltage and electroluminescence characteristics of the TFTs and LEDs are not negatively affected by the integration process onto the flexible platforms. This approach provides a potential methodology for enabling flexible and addressable micro-LED arrays for display applications used in wearable and large-area display applications.

滑铁卢大学的研究人员开发了一种新的集成技术，将薄膜晶体管(TFT)和发光二极管(LED)结合到大面积柔性基板上。该技术结合了独特的TFT电路设计和层转移工艺，以创建电稳定的微型LED像素。这项技术解决了将微LED集成到显示器背板阵列上的主要挑战，以及灵活电子系统中像素晶体管的电气不稳定性。电学和光学表征表明，柔性平台上的集成工艺对TFT和LED的电流-电压特性和电致发光特性没有负面影响。该方法提供了一种潜在的方法，用于实现用于可穿戴式和大面积显示应用中的显示应用的灵活且可寻址的微型LED阵列。