Invention Grant
- Patent Title: Light field display system based digital signage system
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Application No.: US16638093Application Date: 2019-08-09
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Publication No.: US11902500B2Publication Date: 2024-02-13
- Inventor: Jonathan Sean Karafin , Brendan Elwood Bevensee , John Dohm
- Applicant: Light Field Lab, Inc.
- Applicant Address: US CA San Jose
- Assignee: Light Field Lab, Inc.
- Current Assignee: Light Field Lab, Inc.
- Current Assignee Address: US CA San Jose
- International Application: PCT/US2019/046030 2019.08.09
- International Announcement: WO2021/029859A 2021.02.18
- Date entered country: 2020-02-10
- Main IPC: H04N13/368
- IPC: H04N13/368 ; H04N13/398 ; H04N13/383 ; H04R1/02 ; G06F3/14 ; G03H1/22 ; G03H1/00

Abstract:
A light field (LF) display system presents holographic content to one or more viewers in a public setting for digital signage applications. In some embodiments, the LF display system includes a sensory feedback assembly, a tracking system and/or a viewer profiling module. The sensory feedback assembly may comprise sensory feedback devices that provide sensory feedback to viewers of the LF display system in tandem with the presented holographic content. The tracking system may comprise cameras used to track the viewers of the LF display system. Based on a viewer's tracked position and/or tracked gaze, the LF display system may generate holographic content that is perceivable by certain viewers but not viewable by others. The viewer profiling module may identify each viewer for providing personalized holographic content and may further monitor and record behavior of viewers for informing subsequent presentations of holographic content by the LF display system.
Public/Granted literature
- US20210044795A1 Light Field Display System Based Digital Signage System Public/Granted day:2021-02-11
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