公开(公告)号：US20240027826A1

公开(公告)日：2024-01-25

申请号：US18477550

申请日：2023-09-29

Applicant: Japan Display Inc.

Inventor： Mitsutaka OKITA ,  Shinichiro OKA ,  Shigesumi ARAKI ,  Daiichi SUZUKI ,  Yoshiaki AMANO ,  Hiromi MATSUNO

IPC: G02F1/1335 ,  G02F1/1347 ,  G02F1/1343

CPC classification number: G02F1/133553 ,  G02F1/13478 ,  G02F1/134309

Abstract: According to one embodiment, an intelligent reflecting surface includes a first substrate including a plurality of patch electrodes spaced apart and arranged in a matrix along each of an X-axis and a Y-axis orthogonal to each other, a second substrate including a common electrode opposed to the plurality of patch electrodes in a direction parallel to a Z-axis orthogonal to each of the X-axis and the Y-axis, and a liquid crystal layer held between the first substrate and the second substrate and opposed to the plurality of patch electrodes. Each of the patch electrodes includes a first aperture.

公开(公告)号：US20240039156A1

公开(公告)日：2024-02-01

申请号：US18477569

申请日：2023-09-29

Applicant: Japan Display Inc.

Inventor： Daiichi SUZUKI ,  Shinichiro OKA ,  Shigesumi ARAKI ,  Mitsutaka OKITA ,  Yoshiaki AMANO ,  Hiromi MATSUNO

IPC: H01Q3/46 ,  B32B27/28 ,  B32B27/30 ,  B32B27/06

CPC classification number: H01Q3/46 ,  B32B27/281 ,  B32B27/308 ,  B32B27/06 ,  B32B2307/206 ,  B32B2307/204

Abstract: According to one embodiment, an intelligent reflecting surface includes a first substrate, a second substrate, and a first dielectric layer sandwiched between the first substrate and the second substrate, the first substrate includes a first base, a plurality of first patch electrodes, a plurality of second patch electrodes, which are provided between the first base and the plurality of first patch electrodes, and a second dielectric layer provided between the plurality of first patch electrodes and the plurality of second patch electrodes, the first dielectric layer has a first dielectric constant, and the second dielectric layer has a second dielectric constant.

公开(公告)号：US20250149786A1

公开(公告)日：2025-05-08

申请号：US19003062

申请日：2024-12-27

Applicant: Japan Display Inc.

Inventor： Mitsutaka OKITA ,  Shinichiro OKA ,  Daiichi SUZUKI ,  Hiromi MATSUNO ,  Takuya OHTO ,  Yoshiaki AMANO

IPC: H01Q3/46

Abstract: A driving method of an intelligent reflecting surface having a plurality of reflecting elements arranged in a matrix, the method includes dividing the plurality of reflecting elements arranged in the matrix into a first region that controls an amount of phase change for each row of the plurality of reflecting elements arrayed in a row direction and a second region that controls an amount of phase change for every two adjacent rows of a plurality of reflecting elements arrayed in the row direction, and driving each of the plurality of reflecting elements belonging to the first region

公开(公告)号：US20240047890A1

公开(公告)日：2024-02-08

申请号：US18477602

申请日：2023-09-29

Applicant: Japan Display Inc.

Inventor： Shinichiro OKA ,  Mitsutaka OKITA ,  Daiichi SUZUKI ,  Shigesumi ARAKI ,  Yoshiaki AMANO ,  Hiromi MATSUNO

IPC: H01Q15/14 ,  H01Q21/06 ,  H01Q3/36

CPC classification number: H01Q15/148 ,  H01Q21/065 ,  H01Q3/36

Abstract: According to one embodiment, an intelligent reflecting surface includes a plurality of patch areas including a plurality of square patch electrodes, an electrode shape formed by the patch electrode, a first connection electrode, a second connection electrode, a third connection electrode, and a fourth connection electrode included in each of the plurality of patch areas has rotational symmetry having a point inside each of the plurality of patch areas as a center of rotation, and a first patch area, a second patch, a third patch area, and a fourth patch area have an intersection of the first patch area, the second patch area, the third patch area, and the fourth patch area as a whole as a center of rotation.