US 12,481,127 B2
Optical lens, camera module and electronic device
Jiawei Chen, Guangdong (CN)
Assigned to GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD., Guangdong (CN)
Filed by GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD., Guangdong (CN)
Filed on Mar. 8, 2022, as Appl. No. 17/689,951.
Application 17/689,951 is a continuation of application No. PCT/CN2020/113494, filed on Sep. 4, 2020.
Claims priority of application No. 201910984217.3 (CN), filed on Oct. 16, 2019; and application No. 201921747091.X (CN), filed on Oct. 16, 2019.
Prior Publication US 2022/0196972 A1, Jun. 23, 2022
Int. Cl. G02B 13/00 (2006.01); G02B 9/34 (2006.01)
CPC G02B 13/004 (2013.01) [G02B 9/34 (2013.01)] 15 Claims
OG exemplary drawing
 
1. An optical lens, configured to capture an image of an object, wherein the optical lens, along an optical axis from an object side to an image side, at least comprises: an aperture, a first lens having a positive refractive power, a second lens having a negative refractive power, a third lens having the positive refractive power, and a fourth lens having the negative refractive power, a fifth lens after the fourth lens along the optical axis from the object side to the image side, wherein an effective focal length f of the optical lens and an effective focal length f2 of the second lens satisfy a following relationship: If/f2|<0.73; wherein each of the object side and the image side of the first lens is a convex surface; wherein the object side of the second lens is a concave surface; wherein the object side of the third lens is a concave surface, and the image side of the third lens is a convex surface; wherein the object side of the fourth lens is a convex surface, and an image side of the fourth lens is a concave surface.