The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 28, 2026
Filed:
May. 04, 2023
Tencent America Llc, Palo Alto, CA (US);
John D. Le, Palo Alto, CA (US);
Kun Gao, Palo Alto, CA (US);
Yi Zhang, Palo Alto, CA (US);
Youngshik Yoon, Palo Alto, CA (US);
Hao Zheng, Palo Alto, CA (US);
Hongdong Li, Palo Alto, CA (US);
Jianru Shi, Palo Alto, CA (US);
Tencent America LLC, Palo Alto, CA (US);
Abstract
Aspects of the disclosure provide an achromatic lens. The achromatic lens can include a first lens and a second lens. The first lens with a negative focal length includes a first optically transparent member having a first surface and a second surface. The second lens is attached to the first lens at the second surface. The second lens having a positive focal length includes a second optically transparent member having a third surface and a fourth surface. A second chromatic aberration of the second lens is reduced by a first chromatic aberration of the first lens. The second surface of the first lens includes a first Fresnel structure.