公开(公告)号：US20230170363A1

公开(公告)日：2023-06-01

申请号：US18159724

申请日：2023-01-26

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Tao HUANG ,  Hui YANG ,  Zhaohui WU ,  Youming ZHANG

IPC: H01L27/146 ,  G02B5/20

CPC classification number: H01L27/14621 ,  G02B5/201 ,  H01L27/14627

Abstract: This application discloses example optical filter arrays, including a first-type optical filter array and a second-type optical filter array, where the first-type optical filter array comprises spectral information of a first band range, the second-type optical filter array comprises spectral information of a second band range, and the spectral information of the second band range is different from the spectral information of the first band range. Alternatively, the spectral information of the second band range and the spectral information of the first band range overlap within a preset band range. Embodiments of this application further provide example mobile terminals, example intelligent vehicles, example monitoring devices, and example electronic devices.

公开(公告)号：US20240353710A1

公开(公告)日：2024-10-24

申请号：US18758156

申请日：2024-06-28

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Youming ZHANG ,  Hui REN ,  Chuangchuang LIU ,  Zheng ZHANG

IPC: G02F1/13357

CPC classification number: G02F1/133606 ,  G02F1/13362 ,  G02F1/133621

Abstract: A backlight display assembly and an apparatus on which the backlight display assembly is deployed are disclosed, to effectively improve light utilization of the backlight display assembly. The backlight display assembly includes a light filter layer, a spectrum splitting layer, and a backlight layer. The light filter layer includes a plurality of light filter units, and each light filter unit includes a plurality of different light filters. The spectrum splitting layer is disposed on one side of the light filter layer, and the spectrum splitting layer and the light filter layer are spaced from each other. The spectrum splitting layer includes a micro-nano structure including a plurality of strip structures, and an arrangement direction of the plurality of strip structures is consistent with an arrangement direction of the plurality of different light filters.

公开(公告)号：US20230224770A1

公开(公告)日：2023-07-13

申请号：US18185764

申请日：2023-03-17

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Zhenyu TAO ,  Youming ZHANG ,  Yu FAN ,  Caijuan WANG

IPC: H04W36/00

CPC classification number: H04W36/0033

Abstract: This disclosure discloses communication methods and apparatuses. One example method includes: obtaining slice information of a session, sending a first message to a network function repository function network element, and receiving identification information of an intermediate session management function network element from the network function repository function network element. The intermediate session management function network element is configured to manage an intermediate user plane function network element, and the intermediate user plane function network element is configured to forward service data between an access network device to which a terminal is connected and an anchor user plane function network element in response to the terminal moving out of a service area of the anchor user plane function network element and a service area of an anchor session management function network element.

公开(公告)号：US20250085564A1

公开(公告)日：2025-03-13

申请号：US18956220

申请日：2024-11-22

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Hui REN ,  Youming ZHANG

IPC: G02B30/56 ,  G02B1/00 ,  G02B27/40

Abstract: This application provides a floating optical device, an optical module, and an optical system that are configured to perform floating display. The floating optical device includes a focusing layer, a transmission layer, and a convergence layer that are sequentially stacked in a direction of an optical axis. The focusing layer includes a plurality of focusing units that are periodically arrayed. The convergence layer includes a plurality of convergence units that are periodically arrayed. The plurality of focusing units and the plurality of convergence units are in a one-to-one correspondence in the direction of the optical axis. In the focusing unit and the convergence unit that correspond to each other, the focusing unit is configured to modulate incident light rays, to concentrate incident light rays that are parallel to each other to a same incident concentration point on the incident surface of the transmission layer.

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：US20220336509A1

公开(公告)日：2022-10-20

申请号：US17854962

申请日：2022-06-30

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Youming ZHANG ,  Shang SUN ,  Chuangchuang LIU

IPC: H01L27/146

Abstract: One example image sensor includes a metasurface, a substrate, and an optical-to-electrical converter. Arrays in the metasurface are arranged on the top of the substrate. The metasurface includes multiple subunits. Each subunit includes an array including multiple columnar structures. The bottom of the substrate is disposed on a surface of the optical-to-electrical converter in the image sensor. The metasurface includes at least two media with different refractive indexes. The optical-to-electrical converter includes an array for optical-to-electrical conversion. The array of the optical-to-electrical converter is divided into multiple color regions. The metasurface is configured to refract incident light and transmit, through the substrate, refracted light to a corresponding color region in the array of the optical-to-electrical converter. In addition, each subunit refracts incident light and then transmits refracted light to a color region in a corresponding color unit.

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.