Linse, Projektionsvorrichtung, Anzeigevorrichtung und Fahrzeug

Details

Veröffentlichungs-Nr.

EP4749344

Anmeldetag

27. November 2024

Veröffentlichung

12. Juni 2025

Rechtsraum

EP

IPC

G02B13/00, G02B27/01

Abstract

Embodiments of this application provide a lens, a projection apparatus, a display apparatus, and a transportation means, and pertains to the field of optical technologies. The lens includes a first lens group, an aperture stop, and a second lens group that are arranged from an image side to an object side. The first lens group includes at least three lens elements. In a direction from the image side to the object side, a first one, a second one, and a third one of the lens elements that are in the first lens group and that are closest to the image side have a negative focal power, a positive focal power, and a negative focal power, respectively. The second lens group includes at least three lens elements. In the direction from the image side to the object side, a second one and a third one of the lens elements that are in the second lens group and that are closest to the aperture stop both have a positive focal power. The lens provided in embodiments of this application can meet high definition and high reliability requirements for projection.

Anmelder

Firmen

Yinwang Intelligent Technologies Co., Ltd.
Shenzhen Yinwang Intelligent Technologies Co., Ltd.

Land

🇨🇳 China

Fachgebiete