US 12,135,410 B2
Optical imaging lens assembly
Lin Huang, Yuyao (CN); Yinghui Yuan, Yuyao (CN); Fujian Dai, Yuyao (CN); and Liefeng Zhao, Yuyao (CN)
Assigned to Zhejiang Sunny Optics Co., Ltd., Yuyao (CN)
Filed by Zhejiang Sunny Optics Co., Ltd., Yuyao (CN)
Filed on Apr. 26, 2021, as Appl. No. 17/239,739.
Claims priority of application No. 202010430110.7 (CN), filed on May 20, 2020.
Prior Publication US 2021/0364753 A1, Nov. 25, 2021
Int. Cl. G02B 13/00 (2006.01); G02B 9/62 (2006.01)
CPC G02B 13/0045 (2013.01) [G02B 9/62 (2013.01)] 18 Claims
OG exemplary drawing
 
1. An optical imaging lens assembly, along an optical axis from an object side to an image side, sequentially comprising:
a first lens having a refractive power;
a second lens having a refractive power;
a third lens having a refractive power, an object-side surface of the third lens being a convex surface;
a fourth lens having a negative refractive power;
a fifth lens having a refractive power, an object-side surface of the fifth lens being a concave surface; and
a sixth lens having a refractive power;
half of a maximal field-of-view Semi-FOV of the optical imaging lens assembly satisfying: Semi-FOV≥60°;
a center thickness CT3 of the third lens on the optical axis and a spacing distance T12 between the first lens and the second lens on the optical axis satisfying: 2.5<CT3/T12<10.5;
a radius of curvature R5 of the object-side surface of the third lens and a radius of curvature R9 of the object-side surface of the fifth lens satisfying: −3.5<R5/R9<−2.0; and
a spacing distance T23 between the second lens and the third lens on the optical axis, a spacing distance T34 between the third lens and the fourth lens on the optical axis, and a spacing distance T56 between the fifth lens and the sixth lens on the optical axis satisfy: 2.20≤T23/(T34+T56)<2.5.