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Design and Modeling of Light Emitting Nano-Pixel Structure (LENS) for High Resolution Display (HRD) in a Visible
Tsion Eisenfeld1, Avi Karsenty1,2
1Advanced Laboratory of Electro-Optics (ALEO), Department of Applied Physics/Electro-Optics Engineering, Lev Academic Center, 9116001 Jerusalem, Israel.
Nanomaterials (Basel, Switzerland)
|February 5, 2020
Summary
A new Light Emitting Nano-pixel Structure (LENS) significantly boosts display brightness and resolution for Augmented Reality and Virtual Reality. This nano-device enhances light extraction, increasing intensity by 3800% and battery life by 38.
Area of Science:
- Optoelectronics
- Nanotechnology
- Display Technology
Background:
- Augmented Reality (AR) and Virtual Reality (VR) demand high-resolution, high-brightness displays.
- Existing Light Emitting Diodes (LEDs) face limitations in light extraction efficiency and angular distribution, leading to energy loss and heat generation.
Purpose of the Study:
- To design, simulate, and model a novel nano-metric device, the Light Emitting Nano-pixel Structure (LENS).
- To achieve a combination of high resolution and high brightness for AR/VR displays.
- To improve light extraction efficiency and reduce energy consumption and thermal radiation.
Main Methods:
- Device design and simulation using LightTools software for ray tracing optimization.
- Development of an analytical model to complement simulation results.
- Utilizing a reflective nano-cone LED structure to minimize Total Internal Reflection (TIR).
- Incorporating a Compound Parabolic Concentrator (CPC) to narrow light angular distribution.
Main Results:
- Simulations indicate a light intensity gain of at least 3800% compared to typical flat LEDs.
- Projected increase in battery life by 38 times for the same power consumption.
- Reduction in display thermal radiation by at least 300%.
- Demonstrated feasibility for high-resolution and high-brightness display applications.
Conclusions:
- The LENS device offers a significant improvement in display efficiency for AR/VR applications.
- The nano-pixel structure effectively enhances light extraction and directional control.
- LENS technology has the potential to revolutionize display efficiency across military, professional, and consumer sectors.
