Lens

Abstract

The invention provides a lens, comprising an optical part at the center of the lens and a non-optical part at the periphery around the center of the lens, wherein the non-optical part is provided with two opposite surfaces while at least one surface is provided with a plurality of convexes extended along the circumference of at least one concentric circle centered around the optical part. The lens has the advantages that the lens has high structure strength and is difficult to be compressed and deformed.

Description

technical field [0001] The invention relates to the field of optics, in particular to a lens. Background technique [0002] With the multi-functional development of electronic products, lens modules are widely used in consumer electronic products such as mobile phones, notebook computers, digital cameras, and personal digital assistants. While pursuing multi-functionality, people also hope that electronic products have excellent image effects, that is, lens modules are required to have high image quality. At the same time, as consumer electronic products such as mobile phones are becoming lighter, thinner, shorter, and smaller, the digital camera modules integrated in the mobile phone are also increasingly miniaturized. In the assembly of miniaturized optical lenses, due to the miniaturization of lenses, all lenses will become thinner and thinner. [0003] Plastic lenses are the preferred lens material for most mobile phone digital camera modules due to their fast molding,...

AI Technical Summary

Problems solved by technology

Ultra-thin plastic lenses will have the problem of insufficient structural strength because the lens is too thin

If the structural strength is not enough, it will cause the extrusion deformation of the lens when it is assembled into the lens barrel, which will affect the imaging quality of the lens module, and even make the lens module a defective product and be discarded

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