Optical lens and electronic device

By using a seven-lens optical design, the problems of insufficient light transmission and miniaturization of LiDAR lenses are solved, achieving high resolution, low sensitivity and high light transmission, which meets the special requirements of in-vehicle autonomous driving systems.

CN122172409APending Publication Date: 2026-06-09NINGBO SUNNY AUTOMOTIVE OPTECH
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
NINGBO SUNNY AUTOMOTIVE OPTECH
Filing Date
2024-12-06
Publication Date
2026-06-09

AI Technical Summary

Technical Problem

Existing lidar lenses have insufficient light transmission capacity, making them unsuitable for dark environments such as nighttime or rainy days. Their large front aperture is not conducive to miniaturization and cannot meet the requirements for small aperture numbers, affecting detection accuracy and imaging quality.

Method used

The optical lens design employs seven lenses. By rationally allocating the optical power and surface shape of the lenses, and controlling the lens spacing and radius of curvature, it achieves miniaturization, small aperture, long focal length, short back focal length, high resolution, low sensitivity, and high light transmission, meeting the high requirements of automotive applications.

Benefits of technology

It enables installation in confined spaces while improving detection accuracy and imaging quality, enhancing light transmission at night or on cloudy or rainy days, meeting the requirements for small aperture numbers, and adapting to the needs of special installation locations.

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Abstract

This application discloses an optical lens and an electronic device. The optical lens, along its optical axis from the first side to the second side, sequentially includes: a first lens with negative optical power, a second lens with negative optical power, a third lens with negative optical power, a fourth lens with positive optical power, a fifth lens with positive optical power, a sixth lens with optical power, and a seventh lens with optical power. The first and second sides of the fourth lens are convex. The optical lens contains seven lenses with optical power. The first, second, third, and seventh lenses are meniscus lenses; the air gap T12 between the first and second lenses on the optical axis and the effective focal length F1 of the first lens satisfy: -0.043 ≤ T12 / F1 ≤ -0.0002; the radius of curvature R14 of the second side of the seventh lens and the effective focal length F of the optical lens satisfy: 0.16 ≤ R14 / F ≤ 2.63.
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