- Patent Title: Sensing with liquid crystal polarization holograms and metasurface
-
Application No.: US17865223Application Date: 2022-07-14
-
Publication No.: US12231749B2Publication Date: 2025-02-18
- Inventor: Qing Chao , Lu Lu , Xinqiao Liu , Hao Yu , Junren Wang
- Applicant: Meta Platforms Technologies, LLC
- Applicant Address: US CA Menlo Park
- Assignee: Meta Platforms Technologies, LLC
- Current Assignee: Meta Platforms Technologies, LLC
- Current Assignee Address: US CA Menlo Park
- Agency: Freestone Intellectual Property Law PLLC
- Agent Aaron J. Visbeek
- Main IPC: H04N23/11
- IPC: H04N23/11 ; G02B1/00 ; G02B3/00 ; G02B5/20 ; G02B5/30 ; G02B5/32 ; H04N23/00
Abstract:
Imaging systems, cameras, and image sensors of this disclosure include imaging pixels that include subpixels. Diffractive optical elements such as a metasurface lens layers or a liquid crystal polarization hologram (LCPH) are configured to focus image light to the subpixels of the imaging pixels.
Public/Granted literature
- US20230037261A1 SENSING WITH LIQUID CRYSTAL POLARIZATION HOLOGRAMS AND METASURFACE Public/Granted day:2023-02-02
Information query
