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:
Nov. 26, 2024
Filed:
Feb. 08, 2023
Sintai Optical (Shenzhen) Co., Ltd., Guandong, CN;
Asia Optical Co., Inc., Taichung, TW;
Fang-Li Ma, ShenZhen, CN;
Yue-Ye Chen, ShenZhen, CN;
Bin Liu, ShenZhen, CN;
Jun-Wei Che, ShenZhen, CN;
We-Jie Lou, ShenZhen, CN;
Hua-Tang Liu, Taichung, TW;
SINTAI OPTICAL (SHENZHEN) CO., LTD., Shenzhen, CN;
ASIA OPTICAL CO., INC., Taichung, TW;
Abstract
A lens assembly for display includes a display, a lens assembly, and a prism assembly. The display emits a first light beam. The lens assembly includes a first, second, and third lenses. The prism assembly includes a first, second prisms, and an optical multilayer film, wherein the first prism includes a first, second, and third surfaces and the second prism includes a fourth, fifth, sixth, seventh, and eighth surfaces. The lens assembly for display satisfies at least one of following conditions: 0.60≤D/TTL≤0.75; 0.28≤D/f≤0.35; 4.56 mm≤D≤5.02 mm; wherein Dis an effective optical diameter of the light incident surface, TTL is an interval from the light incident surface to the light emitting surface along the optical axis, and fis an effective focal length of a combination of the first lens, the second lens, and the third lens.