Meta platforms technologies, llc (20240353707). LIQUID CRYSTAL POLARIZATION HOLOGRAM WITH ENHANCED ANGULAR LUMINANCE UNIFORMITY AND SYSTEM INCLUDING THE SAME simplified abstract

LIQUID CRYSTAL POLARIZATION HOLOGRAM WITH ENHANCED ANGULAR LUMINANCE UNIFORMITY AND SYSTEM INCLUDING THE SAME

Organization Name

meta platforms technologies, llc

Inventor(s)

Hsien-Hui Cheng of Woodinville WA (US)

Michael Escuti of Redmond WA (US)

Xiayu Feng of Kirkland WA (US)

Mengfei Wang of Woodinville WA (US)

Steven John Robbins of Redmond WA (US)

Zhexin Zhao of Redmond WA (US)

Lu Lu of Kirkland WA (US)

LIQUID CRYSTAL POLARIZATION HOLOGRAM WITH ENHANCED ANGULAR LUMINANCE UNIFORMITY AND SYSTEM INCLUDING THE SAME - A simplified explanation of the abstract

This abstract first appeared for US patent application 20240353707 titled 'LIQUID CRYSTAL POLARIZATION HOLOGRAM WITH ENHANCED ANGULAR LUMINANCE UNIFORMITY AND SYSTEM INCLUDING THE SAME

The device described in the patent application includes a light guide and an optical film with optically anisotropic molecules that diffract light in a unique way.

• The device guides a first light through a light guide and diffracts it into a plurality of second lights with different diffraction efficiencies.
• The optical film has optically anisotropic molecules with a nonlinear variation of azimuthal angles along a predetermined direction.
• The in-plane orientation pattern of the optically anisotropic molecules has a specific in-plane pitch.

Potential Applications: - Display technology - Optical communication systems - Lighting systems

Problems Solved: - Improved light diffraction efficiency - Enhanced control over light propagation

Benefits: - Higher quality display images - Increased efficiency in optical systems

Commercial Applications: Title: Innovative Light Diffraction Device for Enhanced Display Technology This technology can be used in high-end displays, communication systems, and lighting products, offering superior performance and efficiency in various commercial applications.

Questions about the technology: 1. How does the unique orientation pattern of the optically anisotropic molecules contribute to the device's performance?

  The orientation pattern affects the diffraction of light, leading to improved efficiency and control over light propagation.

2. What sets this light diffraction device apart from existing technologies in the market?

  This device offers a novel approach to light diffraction, resulting in enhanced performance and versatility compared to traditional methods.

Original Abstract Submitted

a device is provided. the device includes a light guide configured to guide a first light propagating therein. the device also includes an optical film coupled with the light guide, optically anisotropic molecules in the optical film being configured with an in-plane orientation pattern having an in-plane pitch along the predetermined in-plane direction. within the in-plane pitch of the in-plane orientation pattern, azimuthal angles of the optically anisotropic molecules are configured to vary nonlinearly along the predetermined in-plane direction. the optical film is configured to diffract the first light as a plurality of second lights at a plurality of locations of the optical film, with a plurality of predetermined, different diffraction efficiencies.