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:
Dec. 27, 2022
Filed:
Jun. 15, 2021
Applicant:
Sharp Kabushiki Kaisha, Sakai, JP;
Inventors:
Andrew Acreman, Oxford, GB;
Nathan James Smith, Oxford, GB;
Assignee:
SHARP KABUSHIKI KAISHA, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/1335 (2006.01); G02F 1/1337 (2006.01); G02F 1/1343 (2006.01); G02F 1/01 (2006.01); G02F 1/137 (2006.01); G02F 1/1333 (2006.01);
U.S. Cl.
CPC ...
G02F 1/133553 (2013.01); G02F 1/0147 (2013.01); G02F 1/1337 (2013.01); G02F 1/13725 (2013.01); G02F 1/133357 (2021.01); G02F 1/133528 (2013.01); G02F 1/133618 (2021.01); G02F 1/134363 (2013.01); G02F 2203/02 (2013.01);
Abstract
A reflective display apparatus is provided. The reflective display apparatus includes a textured sub-micron metal film textured in a periodic manner, a phase change material (PCM) layer, and a phase change control layer that is configured to change reflection properties of the textured sub-micron metal film by causing the PCM to switch between at least two of a plurality of phases.