Beijing Zitiao Network Technology Co., Ltd. (20240377569). DIFFRACTIVE OPTICAL WAVEGUIDE AND PREPARATION METHOD THEREOF, AND AUGMENTED REALITY DISPLAY DEVICE simplified abstract
Contents
DIFFRACTIVE OPTICAL WAVEGUIDE AND PREPARATION METHOD THEREOF, AND AUGMENTED REALITY DISPLAY DEVICE
Organization Name
Beijing Zitiao Network Technology Co., Ltd.
Inventor(s)
DIFFRACTIVE OPTICAL WAVEGUIDE AND PREPARATION METHOD THEREOF, AND AUGMENTED REALITY DISPLAY DEVICE - A simplified explanation of the abstract
This abstract first appeared for US patent application 20240377569 titled 'DIFFRACTIVE OPTICAL WAVEGUIDE AND PREPARATION METHOD THEREOF, AND AUGMENTED REALITY DISPLAY DEVICE
The present invention offers a diffractive optical waveguide and a method for its preparation, along with an augmented reality display device. The waveguide comprises a total reflection layer, including a first and a second light propagation layer stacked together, with the second layer having a lower refractive index than the first layer. Additionally, a coupling-in grating and a coupling-out grating are placed at intervals on the side of the first light propagation layer facing away from the second layer.
- Total reflection layer with first and second light propagation layers
- Second layer has lower refractive index than the first layer
- Coupling-in and coupling-out gratings for light propagation
Potential Applications: - Augmented reality displays - Heads-up displays - Smart glasses
Problems Solved: - Enhances optical performance - Enables compact and lightweight display devices
Benefits: - Improved image quality - Reduced weight and size of display devices - Enhanced user experience
Commercial Applications: Title: Advanced Optical Waveguide Technology for Augmented Reality Displays This technology can be utilized in: - Consumer electronics - Automotive industry for heads-up displays - Medical field for augmented reality surgical applications
Prior Art: Readers can explore prior patents related to diffractive optical waveguides and augmented reality display devices to understand the evolution of this technology.
Frequently Updated Research: Stay updated on advancements in diffractive optical waveguides and augmented reality display technologies to leverage the latest innovations in the field.
Questions about Diffractive Optical Waveguides: 1. How does the refractive index of the second light propagation layer affect the performance of the waveguide? 2. What are the key differences between diffractive optical waveguides and traditional optical waveguides?
Original Abstract Submitted
the present invention provides a diffractive optical waveguide and a preparation method thereof, and an augmented reality display device. the diffractive optical waveguide includes: a total reflection layer, wherein the total reflection layer includes a first light propagation layer and a second light propagation layer, which are disposed in a stacked manner, a refractive index of the second light propagation layer is less than a refractive index of the first light propagation layer, and the second light propagation layer is deposited on one surface of the first light propagation layer via a deposition method; and a coupling-in grating and a coupling-out grating, wherein the coupling-in grating and the coupling-out grating are disposed at intervals on a side of the first light propagation layer that faces away from the second light propagation layer.
