公开(公告)号：US20220341782A1

公开(公告)日：2022-10-27

申请号：US17855313

申请日：2022-06-30

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Youming ZHANG ,  Lifeng SUN

IPC: G01J3/28 ,  H01L27/146

Abstract: An image sensor includes an array of metasurface structures and an array of optical-to-electrical conversion units. The array of metasurface structures is located above the array of optical-to-electrical conversion units. A first optical-to-electrical conversion unit in the array of optical-to-electrical conversion units includes a plurality of optical-to-electrical conversion elements, each optical-to-electrical conversion element in the first optical-to-electrical conversion unit corresponds to one frequency band in a spectrum. A first metasurface structure in the array of metasurface structures includes a first substrate and a microstructure located above the first substrate. The first substrate and the microstructure are configured to transmit an optical signal at each frequency band to an optical-to-electrical conversion element corresponding to each frequency band. The microstructure is a rotationally symmetric structure, and a rotation angle of the rotationally symmetric structure is less than or equal to 90 degrees.

公开(公告)号：US20240264471A1

公开(公告)日：2024-08-08

申请号：US18606856

申请日：2024-03-15

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Zhixiang FAN ,  Youming ZHANG ,  Lifeng SUN ,  Wenzhe LIAO ,  Jun FENG

IPC: G02C7/08 ,  G02F1/29

CPC classification number: G02C7/083 ,  G02F1/294

Abstract: A lens, glasses, and a lens adjustment method are provided. The lens includes a first lens layer. The first lens layer includes a plurality of liquid crystal regions. At least one liquid crystal region forms a first optical region. At least one liquid crystal region forms a second optical region. Optical powers of the liquid crystal regions may be changed by controlling rotation of liquid crystal molecules in the liquid crystal regions separately included in the first optical region and the second optical region, so that an optical power of the first optical region can be different from an optical power of the second optical region.

公开(公告)号：US20240094560A1

公开(公告)日：2024-03-21

申请号：US18512526

申请日：2023-11-17

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Youming ZHANG ,  Zhixiang FAN ,  Lifeng SUN

IPC: G02C7/08 ,  G02F1/29

CPC classification number: G02C7/083 ,  G02F1/29 ,  G02C2202/16 ,  G02F2203/07

Abstract: An optical defocus lens includes: a first lens layer and at least one liquid crystal lens layer, where the first lens layer is a concave lens, a convex lens, or a plano lens, a refractive index of liquid crystal molecules in each of the at least one liquid crystal lens layer is controlled by an electric field, to converge or diverge polarized light that is incident to a direction of each liquid crystal lens layer to form a focal point; a first liquid crystal lens layer is configured to converge or diverge polarized light in a first direction to form a first focal point; and the first lens layer or a second liquid crystal lens layer is configured to converge or diverge polarized light in a second direction to form a second focal point.