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:
Apr. 16, 2024

Filed:

Oct. 20, 2022
Applicant:

Chengdu Pulse Optical Co., Ltd., Chengdu, CN;

Inventors:

Yang Li, Chengdu, CN;

Yunxia Yue, Chengdu, CN;

Tingting Jiang, Chengdu, CN;

Qian Li, Chengdu, CN;

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G03B 21/20 (2006.01); G03B 21/00 (2006.01);
U.S. Cl.
CPC ...
G03B 21/2073 (2013.01); G03B 21/006 (2013.01); G03B 21/208 (2013.01);
Abstract

Provided is a dynamic projection system suitable for an automobile. The system includes a light source, a collimating lens, a first microlens array, an LCD projection source and a second microlens array, wherein the dynamic projection system further comprises a polarization grating used for separating P-polarized light and S-polarized light, and a wave plate array. The wave plate array includes a plurality of ½ wave plates arranged at intervals. The polarization grating is arranged in front of the first microlens array and the second microlens array, the ½ wave plates and the LCD projection source are arranged between the first microlens array and the second microlens array, and the ½ wave plates are arranged in front of the LCD projection source to play a role in converting one of the P-polarized light and the S-polarized light into the other one of the P-polarized light and the S-polarized light.


Find Patent Forward Citations

Li, Yang. (2024). Dynamic projection system suitable for automobile (U.S. Patent No. 11960197). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11960197

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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