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:
Mar. 24, 2026

Filed:

Oct. 14, 2020
Applicant:

Commissariat À L'énergie Atomique ET Aux Énergies Alternatives, Paris, FR;

Inventors:

Christophe Martinez, Grenoble, FR;

Yann Lee, Grenoble, FR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 5/124 (2006.01); G03B 21/625 (2014.01);
U.S. Cl.
CPC ...
G02B 5/124 (2013.01); G03B 21/625 (2013.01);
Abstract

A retroreflective screen comprising including a film having a surface including a plurality of microrecesses, each microrecess having the shape of a truncated pyramid, the lateral walls and the back of each microrecess being coated with a reflective metallization.


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