Optical lens
By designing an optical lens of six lenses, using the combination of negative and positive power lenses to optimize the overall optical length and field of view angle, the problem of insufficient imaging of existing lenses under low illumination conditions is solved, and high-quality and low aberration imaging effect is achieved.
CN119717207AActive Publication Date: 2025-03-28JIANGXI LIANCHUANG ELECTRONICS CO LTD
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Patent Information
- Application Number
- CN202411982443.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-31
- Publication Date
- 2025-03-28
- Estimated Expiration
- 2044-12-31
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
A six-piece optical lens is designed to optimize the overall optical length and field of view angle to reduce aberration through specific power distribution and surface shape matching, including lens combinations of negative and positive power.
Benefits of technology
It improves the imaging quality of the lens, reduces aberration, and achieves clear imaging under low illumination conditions, meeting the demand for high pixels and high resolution in intelligent driving.
✦ Generated by Eureka AI based on patent content.
Abstract
The invention provides an optical lens, which comprises six lenses which sequentially comprise 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 of the second lens is a convex surface; the third lens has negative focal power, and the image side surface of the third lens is a concave surface; the object side surface and the image side surface of the fourth lens are convex surfaces; the object side surface of the fifth lens is a concave surface, and the image side surface of the fifth lens is a convex surface; and the sixth lens has positive focal power. According to the optical lens provided by the invention, the six lenses with specific focal power are adopted, and through specific surface shape matching and reasonable focal power distribution, the imaging quality of the optical lens can be improved, the aberration can be reduced, the imaging quality of the optical lens can be improved, and the lens has one or more advantages of large target surface, large aperture, high imaging quality and the like.
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