Optical lens
Through the specific power distribution and surface shape matching of seven lenses, the problem of insufficient imaging quality of existing lenses under low illumination conditions is solved, and clear imaging and high pixel and high resolution effects are achieved, which is suitable for intelligent driving ADAS systems.
CN119805717AActive Publication Date: 2025-04-11JIANGXI LIANCHUANG ELECTRONICS CO LTD
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Patent Information
- Application Number
- CN202510307362.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-17
- Publication Date
- 2025-04-11
- Estimated Expiration
- 2045-03-17
AI Technical Summary
Technical Problem
The lenses of the existing ADAS system are difficult to achieve clear imaging under low illumination conditions, and the imaging quality is insufficient, which cannot meet the demand for high pixels and high resolution in intelligent driving.
Method used
Optical lenses with seven lenses are optimized to improve imaging quality through specific power distribution and surface shape combinations, including lens combinations of negative and positive power.
Benefits of technology
It realizes clear imaging under low illumination conditions, reduces aberrations, and improves the imaging quality of optical lenses, making it suitable for high pixel and high resolution requirements in intelligent driving.
✦ Generated by Eureka AI based on patent content.
Abstract
The invention provides an optical lens, which comprises seven lenses in total, and sequentially comprises a first lens with negative focal power, a second lens with negative focal power, a third lens with negative focal power, a fourth lens with negative focal power, a fifth lens with negative focal power and a sixth lens with negative focal power from an object side to an imaging surface, the object side surface and the image side surface of the second lens are convex surfaces; the object side surface and the image side surface of the third lens are convex surfaces; the fourth lens has negative focal power, and the object side surface of the fourth lens is a concave surface; the fifth lens has positive focal power, and the object side surface and the image side surface of the fifth lens are convex surfaces; the object side surface of the sixth lens is a convex surface, and the image side surface of the sixth lens is a concave surface; and the object side surface and the image side surface of the seventh lens are concave surfaces. According to the optical lens provided by the invention, through specific surface shape matching and reasonable focal power distribution, the lens has one or more advantages of long focus, large aperture, high imaging quality and the like.
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