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:
Jun. 16, 2026

Filed:

Aug. 21, 2023
Applicant:

Sharp Display Technology Corporation, Kameyama City, JP;

Inventors:

Mattia Signoretto, Oxford, GB;

David James Montgomery, Oxford, GB;

Peter John Roberts, Oxford, GB;

Naru Usukura, Kameyama City, JP;

Manabu Daio, Kameyama City, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 27/01 (2006.01); G02F 1/1335 (2006.01); G02F 1/13363 (2006.01);
U.S. Cl.
CPC ...
G02B 27/0172 (2013.01); G02F 1/133526 (2013.01); G02F 1/133541 (2021.01); G02F 1/133557 (2021.01); G02F 1/133638 (2021.01);
Abstract

The display device of the present invention includes, in the following order toward a viewer: a display panel; a semi-transparent mirror; a Pancharatnam-Berry lens configured to cause one-handed circularly polarized light incident thereon that is left-handed circularly polarized light or right-handed circularly polarized light to converge while causing opposite-handed circularly polarized light incident thereon to diverge; and a circularly polarized light-selective reflector.


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