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.

Date of Patent:
Jul. 14, 2026

Filed:

Jun. 27, 2023
Applicants:

Sintai Optical (Shenzhen) Co., Ltd., ShenZhen City, CN;

Asia Optical Co., Inc., Taichung, TW;

Inventors:

Hua-Tang Liu, Taichung, TW;

Sheng Luo, ShenZhen, CN;

Yue-Ye Chen, ShenZhen, CN;

Lian Zhao, ShenZhen, CN;

Fei Han, ShenZhen, CN;

Assignees:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B 17/04 (2006.01); G01C 3/08 (2006.01);
U.S. Cl.
CPC ...
G02B 17/04 (2013.01); G01C 3/08 (2013.01);
Abstract

An optical device and the prism module thereof are provided. The prism module includes a first prism, a second prism, a third prism and a fourth prism. The second prism is disposed beside the first prism. The second prism is attached to the third prism and the fourth prism. In operation, first visible light enters the first prism, is reflected plural times in the first prism, enters the second prism and then the fourth prism, is reflected at least one time in the fourth prism, returns to the second prism, is reflected at least one time in the second prism, enters the third prism and exits from the third prism. Also, second visible light enters the third prism, is reflected plural times in the third prism and exits from the third prism.


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