Patent №
US 11,789,236
Granted
2023-10-17
Filed 2021
Owner
LARGAN PRECISION CO., LTD.
Lab
—
AI components
1
vision
Assignment
Recorded
Dataset
AIPD
2023_r1 edition
Application
17234868
A photographing optical lens assembly includes seven lens elements, which are, in order from an object side to an image side, a first lens element, a second lens element, a third lens element, a fourth lens element, a fifth lens element, a sixth lens element and a seventh lens element. The first lens element with positive refractive power has an object-side surface being convex in a paraxial region thereof and an image-side surface being concave in a paraxial region thereof. The second lens element has positive refractive power. The sixth lens element with positive refractive power has an image-side surface being convex in a paraxial region thereof. The seventh lens element with negative refractive power has an image-side surface being concave in a paraxial region thereof and including at least one convex critical point in an off-axis region thereof.
AI classification
Ownership
LARGAN PRECISION CO., LTD.
assignment · 559690135
Assignors
TANG, HSIANG-CHI, CHEN, CHUN-YEN, CHEN, HUNG-SHUO, CHEN, WEI-YU
On an employer assignment, the assignors are typically the inventors.