Multi-perspective three-dimensional floating image display with polarization multiplexing

    公开(公告)号:US12269340B2

    公开(公告)日:2025-04-08

    申请号:US17842253

    申请日:2022-06-16

    Abstract: A system for generating an image for passengers in a vehicle includes a display adapted to project an image, a polarization rotator actuatable to rotate the polarization of an image to one of S-polarization and P-polarization, a reflector unit adapted to reflect S-polarized images to a first beam splitter, and to reflect P-polarized images to a second beam splitter, each of the first and second beam splitters adapted to receive an image and to reflect the image to an associated passenger, and a controller in communication with the display and the polarization rotator, the controller adapted to simultaneously actuate the display to alternate between projecting a first image and a second image, actuate the polarization rotator to alternate between rotating the polarization of an image to S-polarization and P-polarization, and synchronize the display and the polarization rotator.

    HEAD-UP DISPLAY SYSTEM HAVING A HOLOGRAPHIC PANEL COMPRISING A FIRST LAYER AND A SECOND LAYER

    公开(公告)号:US20230302899A1

    公开(公告)日:2023-09-28

    申请号:US17700916

    申请日:2022-03-22

    Abstract: A head-up display system of a vehicle visually transmits information to eyes of a first occupant and eyes of a second occupant. The system includes an illumination device emitting first and second display lights having first and second polarizations, respectively. The system includes a windshield and a holographic panel including first and second layers. The display lights emit toward the holographic panel at an entrance angle relative to an axis normal to the holographic panel. The first layer diffracts the first display light having the first polarization in a first exit direction at a first exit angle relative to the axis toward the eyes of the first occupant. The second layer diffracts the second display light having the second polarization in a second exit direction at a second exit angle relative to the axis, and different than the first exit angle, toward the eyes of the second occupant.

Patent Agency Ranking