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公开(公告)号：US20250164820A1
公开(公告)日：2025-05-22
申请号：US18944648
申请日：2024-11-12
Applicant: ALPS ALPINE CO., LTD.
Inventor： Shingo YUZA , Katsunari ASHIMINE , Akitomo MURATA
Abstract: A display device for displaying an aerial image using retro-reflection includes: an optical member configured to separate incident light into reflected light and transmitted light; a retro-reflective member positioned to face the optical member and having a cutout or an opening that features a design; a light source positioned on a backside of the retro-reflective member; and a transparent member made of a substance with a refractive index greater than 1, and positioned between the optical member and the retro-reflective member.
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