I-Corps: Fourth Wall Optics

I军团：第四墙光学

• 批准号: 2019568
• 负责人: Ananth Dodabalapur
• 金额: $ 5万
• 依托单位: University of Texas at Austin
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 2020
• 资助国家: 美国
• 起止时间: 2020-06-15 至 2021-11-30
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=2019568&HistoricalAwards=false
• 关键词: Corps; Fourth; Wall; Optics

The broader impact/commercial potential of this I-Corps project is to explore translation of Organic Light Emitting Diodes (OLEDs) and other LEDs. The use of Virtual Reality and Augmented Reality (VR/AR) goggles is growing in education, industrial usage, and entertainment. More efficient and brighter displays would greatly increase the functionality of these devices. High-efficiency displays would enable mobile goggles without a need to be connected to an external power source. Brighter OLED displays with higher resolution would be especially important for AR to enable outdoor usage. LEDs for general purpose lighting are already the most energy efficient and longest lasting sources. The proposed technology would further increase the energy efficiency of these bulbs even further. Brighter light sources could also be used in specialty applications, such as projector lamps, automobiles, or holographic displays.This I-Corps project is based on technology to improve a light emitting diode. Light extraction from Organic Light Emitting Diodes (OLEDs) and other LEDs is limited because the light-emitting material and other constituent layers of the device have higher indices of refraction than air. This leads to total internal reflection and loss of generated light, reducing the efficiency and potentially reducing the operating lifetime. Optics developed from metamaterials (meta-optics) can control generated light in a manner unachievable with conventional optics. By steering light away from the modes leading to total internal reflection, new levels of light emission efficiency can be achieved. The proposed technique offers relatively simple integration with existing technology, along with compatibility with many existing fabrication schemes for OLEDs and LEDs.This award reflects NSF's statutory mission and has been deemed worthy of support through evaluation using the Foundation's intellectual merit and broader impacts review criteria.

该I-Corps项目的更广泛的影响/商业潜力是探索有机光发射二极管（OLED）和其他LED的翻译。 虚拟现实和增强现实（VR/AR）护目镜在教育，工业使用和娱乐中的使用正在增长。更有效，更明亮的显示器将大大提高这些设备的功能。高效率显示器将使移动护目镜无需连接到外部电源。具有更高分辨率的更明亮的OLED显示器对于AR启用户外使用尤其重要。通用照明的LED已经是最节能，最持久的来源。提出的技术将进一步提高这些灯泡的能源效率。更明亮的光源也可以用于专业应用中，例如投影仪，汽车或全息图显示。此I-Corps项目基于技术来改善发光二极管。从有机光发射二极管（OLED）和其他LED中提取的光是有限的，因为该设备的发光材料和其他组成层的折射率高于空气。这会导致全部反射和产生的光的丧失，从而降低效率并可能降低运营寿命。从超材料开发的光学元件（元视力）可以通过传统光学元件无法实现的方式控制生成的光。通过将光转向导致全部反射的模式，可以实现新的光发射效率。该提出的技术提供了与现有技术相对简单的集成，以及与许多现有的OLED和LED制造计划的兼容性。该奖项反映了NSF的法定任务，并被认为是值得通过基金会的知识分子优点和更广泛影响的评估审查标准来通过评估来获得支持的。