Meta platforms technologies, llc (20240168433). HOLOGRAPHIC VR DISPLAY simplified abstract

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HOLOGRAPHIC VR DISPLAY

Organization Name

meta platforms technologies, llc

Inventor(s)

Changwon Jang of Kirkland WA (US)

Afsoon Jamali of Issaquah WA (US)

Zhimin Shi of Bellevue WA (US)

HOLOGRAPHIC VR DISPLAY - A simplified explanation of the abstract

This abstract first appeared for US patent application 20240168433 titled 'HOLOGRAPHIC VR DISPLAY

The holographic display described in the patent application consists of an illuminator, a spatial light modulator (SLM) connected to the illuminator, and an ocular lens attached to the SLM. The illuminator emits a wide-area illuminating light beam to illuminate the SLM with a spatially homogeneous beam of light. The illuminator may utilize a slab waveguide with an evanescent out-coupler or a beam expander based on a diffraction grating with specific angles of incidence and diffraction to achieve this.

  • The holographic display includes an illuminator, SLM, and ocular lens.
  • The illuminator provides a wide-area illuminating light beam for the SLM.
  • Different illuminator configurations, such as a slab waveguide or a diffraction grating-based beam expander, are used.
  • A low-pass spatial filter is incorporated to filter out higher diffraction orders of the illuminating light.

Potential Applications: - Holographic displays for entertainment and advertising - Medical imaging and visualization - Automotive heads-up displays

Problems Solved: - Achieving spatially homogeneous illumination in holographic displays - Managing diffraction effects in the illuminating light

Benefits: - Enhanced image quality and clarity - Improved viewing experience for users - Versatile applications in various industries

Commercial Applications: Title: Advanced Holographic Displays for Enhanced Visual Experiences This technology can be used in: - Entertainment industry for immersive displays - Medical field for advanced imaging techniques - Automotive sector for futuristic heads-up displays

Prior Art: No specific prior art information provided in the abstract.

Frequently Updated Research: No information on frequently updated research related to this technology is available at this time.

Questions about holographic displays: Question 1: How does the holographic display technology impact the future of visual communication? Answer: Holographic displays have the potential to revolutionize visual communication by offering more immersive and interactive experiences compared to traditional displays.

Question 2: What are the key challenges in implementing holographic displays in consumer electronics? Answer: Some challenges include cost-effectiveness, scalability, and ensuring compatibility with existing technologies.


Original Abstract Submitted

a holographic display includes an illuminator, a spatial light modulator (slm) coupled to the illuminator, and an ocular lens coupled to the slm. the illuminator provides a wide-area illuminating light beam to illuminate the slm with a spatially homogeneous beam of light. the illuminator may include a slab waveguide with an evanescent out-coupler, or a beam expander based on a diffraction grating with an oblique angle of incidence and a near-normal angle of diffraction of the illuminating light. a low-pass spatial filter may be provided to filter out higher diffraction orders of the illuminating light diffracted on the slm.

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