Oblique Mirror Imaging
Patent Information
- Application Number
- DE602018078092
- Authority / Receiving Office
- DE · DE
- Patent Type
- Patents
- Current Assignee / Owner
- Priority Date
- 2017-04-17
- Filing Date
- 2018-04-16
- Publication Date
- 2025-01-01
- Estimated Expiration
- 2038-04-16
AI Technical Summary
Conventional reflective devices, such as dielectric mirrors and grating structures, are inadequate for applications requiring a reflective axis not constrained to the surface normal and a constant angle of reflection across a range of incidence angles and wavelengths, particularly in head-mounted display devices for eye tracking and image detection.
The use of volumetric holographic gratings (VHGs) in optical systems, specifically skew mirror technology, allows for the reflection of light about a reflective axis offset from the surface normal, enabling effective eye tracking and image detection across a range of wavelengths and angles, while maintaining optical clarity.
VHG-based optical systems improve viewing capability and optical clarity by allowing constant reflective axes across multiple wavelengths and angles, enhancing the performance of eye tracking and image detection functions in devices like head-mounted displays.