Optical lens

By optimizing the eight-lens structure and optical parameters, the size and image quality issues of high-definition wide-angle lenses have been resolved, resulting in an ultra-wide-angle, high-pixel, and high-image-quality optical lens that is suitable for low-light environments.

CN119126339BActive Publication Date: 2026-01-02JIANGXI LIANCHUANG ELECTRONICS CO LTD
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Patent Information

Application Number
CN202411377904.6
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2024-09-30
Publication Date
2026-01-02
Estimated Expiration
2044-09-30

AI Technical Summary

Technical Problem

Existing high-definition wide-angle lenses suffer from problems such as large size, heavy weight, increased field of view leading to difficulties in system aberration correction, poor light transmission performance, and small imaging target area, making it difficult to meet market demands.

Method used

An eight-lens structure is designed, including a first lens with negative optical power, a third and fourth lens with positive optical power, and a sixth and eighth lens with negative optical power. By combining a reflective element and an aperture, the optical power and surface configuration are optimized to meet conditions such as TTL/f<25.0 and TTL/IH<9.5, thereby achieving miniaturization and high imaging quality of the optical lens.

Benefits of technology

It achieves ultra-wide-angle, high-pixel count, and high image quality, reduces aberrations, improves the lens's light transmission performance and image quality, and is suitable for darker environments.

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Abstract

The application provides an optical lens, which comprises eight lenses in sequence along an optical axis from an object side to an imaging surface, and the eight lenses comprise: a first lens with negative optical power, wherein an object side surface of the first lens is a convex surface, and an image side surface of the first lens is a concave surface; a second lens with negative optical power; a third lens with positive optical power; a fourth lens with positive optical power, wherein an image side surface of the fourth lens is a convex surface; a fifth lens with positive optical power, wherein an object side surface of the fifth lens is a convex surface, and an image side surface of the fifth lens is a concave surface; a sixth lens with negative optical power; a seventh lens with positive optical power; and an eighth lens with negative optical power. The optical lens provided by the application improves the imaging quality of the optical lens, reduces aberration, improves the imaging quality of the optical lens, and makes the lens have one or more advantages such as super wide angle, high pixel, high imaging quality and the like.
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