Kameralinse, Projektionsvorrichtung, Anzeigevorrichtung und Fahrzeug

Details

Veröffentlichungs-Nr.

EP4715440

Anmeldetag

27. November 2024

Veröffentlichung

5. Juni 2025

Rechtsraum

EP

IPC

G02B9/64, G02B13/00

Abstract

A lens (100), a projection apparatus (400), a display apparatus (500), and a transportation means, and pertain to the field of optical technologies. The lens (100) includes a first lens group (10), an aperture stop (20), and a second lens group (30) that are arranged from an image side to an object side. The first lens group (10) includes at least four lens elements. In a direction from the image side to the object side, a first one, a second one, a third one, a fourth one among the lens elements closest to the image side in the first lens group (10) have a positive focal power, a negative focal power, a negative focal power, and a positive focal power. The second lens group (30) includes at least four lens elements. In the direction from the image side to the object side, a first one, a second one, a third one, a fourth one among the lens elements closest to the aperture stop (20) in the second lens group (30) have a negative focal power, a positive focal power, a positive focal power, and a positive focal power. The lens (30) has high definition and high reliability, and 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