Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Optical imaging lens

A technology of optical imaging lens and imaging surface, which is applied in optics, optical components, instruments, etc., and can solve the problems of large volume of optical imaging lens

Active Publication Date: 2021-09-24
ZHEJIANG SUNNY OPTICAL CO LTD
View PDF7 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The main purpose of the present invention is to provide an optical imaging lens to solve the problem of large volume of the optical imaging lens in the prior art

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Optical imaging lens
  • Optical imaging lens
  • Optical imaging lens

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0063] like Figure 1 to Figure 30 As shown, the optical imaging lens includes a first lens, a second lens, a third lens, a fourth lens and a fifth lens; the first lens has positive refractive power, and the image side of the first lens is convex; the object side of the second lens It is a convex surface, and the image side of the second lens is a concave surface; the fourth lens has a negative refractive power; wherein, the axial distance TTL from the object side of the first lens to the imaging surface of the optical imaging lens is diagonal to the effective pixel area on the imaging surface Half of the line length ImgH meets: TTL / ImgH<1.2; the maximum semi-FOV of the optical imaging lens satisfies: 45°<Semi-FOV<60°.

[0064] By rationally allocating the focal power of each lens, it is beneficial to balance the aberration generated by the optical imaging lens and greatly increase the imaging quality of the optical imaging lens. By limiting TTL / ImgH within a reasonable range...

Embodiment 2

[0083] like Figure 1 to Figure 30 As shown, the optical imaging lens includes a first lens, a second lens, a third lens, a fourth lens and a fifth lens; the first lens has positive refractive power, and the image side of the first lens is convex; the object side of the second lens It is a convex surface, and the image side of the second lens is concave; the fourth lens has a negative refractive power; wherein, the on-axis distance TTL from the object side of the first lens to the imaging surface of the optical imaging lens, the effective focal length f of the optical imaging lens and The maximum semi-FOV of the optical imaging lens satisfies: 0.7<f*tan(Semi-FOV) / TTL<1. The maximum semi-FOV of the optical imaging lens satisfies: 45°<Semi-FOV<60°.

[0084] By rationally allocating the focal power of each lens, it is beneficial to balance the aberration generated by the optical imaging lens and greatly increase the imaging quality of the optical imaging lens. By limiting f*tan...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention provides an optical imaging lens. The optical imaging lens comprises: a first lens with positive focal power, wherein the image side surface of the first lens is a convex surface; a second lens, wherein the object side surface of the second lens is a convex surface, and the image side surface of the second lens is a concave surface; a third lens; a fourth lens, wherein the fourth lens has negative focal power; and a fifth lens, wherein the on-axis distance TTL from the object side surface of the first lens to the imaging surface of the optical imaging lens and the half ImgH of the diagonal length of an effective pixel area on the imaging surface meet the following condition: TTL / ImgH is less than 1.2, and the maximum half field angle Semi-FOV of the optical imaging lens is greater than 45 degrees and less than 60 degrees. The problem that an optical imaging lens in the prior art is large in size is solved.

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] In recent years, smart electronic devices represented by mobile phones have shown diverse demands in the field of photography and videography, and photographic lenses with different functions such as ultra-wide-angle, large aperture, ultra-thin, and small heads have emerged. The rapid update speed also encourages photography The lens is developing in a more complex and superior direction. Among them, wide-angle lenses are widely used in the field of front and rear photography because of their wide field of view. They can capture detailed information of objects at large angles, and are favored by manufacturers and consumers. However, wide-angle lenses are generally relatively large in size. , which is not conducive to the miniaturization of the optical imaging lens. [0003] That is to say, the opti...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
IPC IPC(8): G02B13/00G02B13/18G02B13/06
CPCG02B13/0045G02B13/06G03B30/00
Inventor 侯璟张晓彬闻人建科戴付建赵烈烽
Owner ZHEJIANG SUNNY OPTICAL CO LTD
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com