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:

Aug. 14, 2024
Applicant:

Japan Display Inc., Tokyo, JP;

Inventors:

Shigesumi Araki, Tokyo, JP;

Shinichiro Oka, Tokyo, JP;

Mitsutaka Okita, Tokyo, JP;

Daiichi Suzuki, Tokyo, JP;

Assignee:

JAPAN DISPLAY INC., Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01Q 15/14 (2006.01);
U.S. Cl.
CPC ...
H01Q 15/148 (2013.01);
Abstract

Disclosed is an intelligent reflecting surface including a plurality of radio-wave reflecting devices, an adjusting substrate over the plurality of radio-wave reflecting devices, and an anti-reflective film located over the adjusting substrate and configured to absorb radio waves. Each of the plurality of radio-wave reflecting devices includes a pair of substrates and a plurality of radio-wave reflecting elements between the pair of substrates. The anti-reflective film has a lattice shape as a whole. An edge is covered by the anti-reflective film and a portion surrounded by the edge is exposed from the anti-reflective film in each of the plurality of radio-wave reflecting devices. A frequency of the radio waves is equal to or greater than 400 MHz and equal to or less than 50 GHz, for example.


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