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Optical imaging lens

An optical imaging lens and lens technology, applied in optics, optical components, instruments, etc., can solve the problems of miniaturization and high imaging quality at the same time, achieve good imaging quality, and solve the effect of aberration problems.

Pending Publication Date: 2022-01-04
ZHEJIANG SUNNY OPTICAL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The main purpose of the present invention is to provide an optical imaging lens to solve the problem that the optical imaging lens in the prior art is difficult to achieve both miniaturization and high imaging quality

Method used

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Experimental program
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Embodiment 1

[0061] Such as Figure 1 to Figure 15 As shown, the optical imaging lens sequentially includes a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, a seventh lens, an eighth lens and a first lens along the optical axis from the object side to the image side Nine lenses, the first lens has positive power; the second lens has negative power, the object side of the second lens is convex, the image side of the second lens is concave; the third lens has power, the third lens The object side is convex, and the image side of the third lens is concave; the fourth lens has positive power; the fifth lens has positive power; the sixth lens has negative power, and the object side of the sixth lens is concave; The lens has positive refractive power; the eighth lens has positive refractive power, and the image side of the eighth lens is convex; the ninth lens has negative refractive power, the object side of the ninth lens is concave, and the image side of t...

Embodiment 2

[0081] Such as Figure 1 to Figure 15 As shown, the optical imaging lens sequentially includes a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, a seventh lens, an eighth lens and a first lens along the optical axis from the object side to the image side Nine lenses, the first lens has positive power; the second lens has negative power, the object side of the second lens is convex, the image side of the second lens is concave; the third lens has power, the third lens The object side is convex, and the image side of the third lens is concave; the fourth lens has positive power; the fifth lens has positive power; the sixth lens has negative power, and the object side of the sixth lens is concave; The lens has positive refractive power; the eighth lens has positive refractive power, and the image side of the eighth lens is convex; the ninth lens has negative refractive power, the object side of the ninth lens is concave, and the image side of t...

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Abstract

The invention provides an optical imaging lens. The optical imaging lens includes: a first lens element with positive focal power; a second lens element with negative focal power, wherein the object side surface of the second lens element is a convex surface, and the image side surface of the second lens element is a concave surface; a third lens element with focal power, wherein the object side surface of the third lens element is a convex surface, and the image side surface of the third lens element is a concave surface; a fourth lens element with positive focal power; a fifth lens element with positive focal power; a sixth lens elmenet with negative focal power, wherein the object side surface of the sixth lens element is a concave surface; a seventh lens element with positive focal power; an eighth lens element with positive focal power, wherein the image side surface of the eighth lens element is a convex surface; and a ninth lens element with negative focal power, wherein the object side surface of the ninth lens element is a concave surface, and the image side surface of the ninth lens element is a concave surface. The half ImgH of the diagonal length of the effective pixel area on the imaging surface, the entrance pupil diameter EPD of the optical imaging lens and the effective focal length f of the optical imaging lens meet the condition that ImgH * EPD / f is more than 3.5 mm and less than 5.0 mm. The optical imaging lens solves the problem that miniaturization and high imaging quality of an optical imaging lens in the prior art are difficult to consider at the same time.

Description

technical field [0001] The present invention relates to the technical field of optical imaging equipment, in particular to an optical imaging lens. Background technique [0002] With the development of science and technology and the progress of society, the development of portable electronic products such as smart phones, tablet computers and other electronic products is becoming more and more mature. In order to meet the needs of customers, it is generally required to make electronic products thinner and smaller. The pursuit of quality is becoming more and more stringent. [0003] An optical imaging lens is provided in the prior art. Although the optical imaging lens meets the requirement of miniaturization, the optical imaging lens has relatively large aberration and poor imaging quality. [0004] That is to say, the optical imaging lens in the prior art has the problem that it is difficult to balance miniaturization and high imaging quality at the same time. Contents o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02B13/00G02B13/06G02B13/18
CPCG02B13/0045G02B13/06G02B13/18
Inventor 何旦吕赛锋戴付建赵烈烽
Owner ZHEJIANG SUNNY OPTICAL CO LTD
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