公开(公告)号：US20240023381A1

公开(公告)日：2024-01-18

申请号：US18360851

申请日：2023-07-28

Applicant: BOE Technology Group Co., Ltd.

Inventor： Haitao HUANG ,  Chuanxiang XU ,  Yong YU ,  Huili WU ,  Zhao CUI ,  Wenqu LIU ,  Shi SHU ,  Lina JING ,  Detian MENG ,  Zibo NI

IPC: H10K59/122 ,  H10K59/80 ,  H10K59/38 ,  H10K71/60

CPC classification number: H10K59/122 ,  H10K59/873 ,  H10K59/38 ,  H10K59/8792 ,  H10K71/60

Abstract: A display substrate and a preparation method thereof, and a display apparatus. The display substrate includes a base substrate, at least one insulating film layer disposed on the base substrate, and a first electrode disposed on a side of the at least one insulating film layer away from the base substrate; wherein a concave-convex structure is disposed on a side of the at least one insulating film layer away from the base substrate, and there is an overlapping area between an orthographic projection of the concave-convex structure on the base substrate and an orthographic projection of the first electrode on the base substrate.

公开(公告)号：US20220310573A1

公开(公告)日：2022-09-29

申请号：US17299798

申请日：2020-08-31

Applicant: BOE Technology Group Co., Ltd.

Inventor： Wenqu LIU ,  Feng ZHANG ,  Qi YAO ,  Zhao CUI ,  Liwen DONG ,  Zhijun LV ,  Dongfei HOU ,  Detian MENG ,  Xiaoxin SONG ,  Libo WANG

IPC: H01L25/16 ,  H01L27/20 ,  G06V40/13

Abstract: Provided is a display substrate, which includes a base substrate, a circuit structure layer disposed on the base substrate, multiple ultrasonic sensing elements and multiple micro light-emitting elements. The multiple ultrasonic sensing elements are disposed on a side of the circuit structure layer away from the base substrate, and are electrically connected to the circuit structure layer, and the multiple light-emitting elements are disposed on the side of the circuit structure layer away from the base substrate, and are electrically connected to the circuit structure layer. An orthographic projection of the multiple ultrasonic sensing elements on the base substrate does not overlap with an orthographic projection of the multiple micro light-emitting elements on the base substrate.

公开(公告)号：US20220149334A1

公开(公告)日：2022-05-12

申请号：US17358016

申请日：2021-06-25

Applicant: BOE Technology Group Co., Ltd.

Inventor： Wenqu LIU ,  Feng ZHANG ,  Qi YAO ,  Zhao CUI ,  Xiaoxin SONG ,  Zhijun LV ,  Dongfei HOU ,  Detian MENG ,  Liwen DONG ,  Libo WANG ,  Yang YUE ,  Haitao HUANG ,  Chuanxiang XU

IPC: H01L51/52 ,  H01L27/32 ,  H01L51/56

Abstract: Provided are a display panel and a preparation method thereof, and a display apparatus. The display panel includes a first display region, and the first display region includes multiple sub-display regions and a first light transmittance region located between adjacent sub-display regions. Each first sub-display region of the multiple sub-display regions includes a first light-emitting element and a first filter unit disposed in a first light-emergence direction of the first light-emitting element. Each second sub-display region in the multiple sub-display regions includes a first collimating light extraction element disposed in a second light-emergence direction of the first light-emitting element and a second filter unit disposed in a light-emergence direction of the first collimating light extraction element.

公开(公告)号：US20220019108A1

公开(公告)日：2022-01-20

申请号：US17213824

申请日：2021-03-26

Applicant: BOE Technology Group Co., Ltd.

Inventor： Xiaoxin SONG ,  Feng ZHANG ,  Wenqu LIU ,  Zhijun LV ,  Liwen DONG ,  Zhao CUI ,  Detian MENG ,  Libo WANG ,  Dongfei HOU ,  Qi YAO

IPC: G02F1/1335 ,  F21V8/00

Abstract: The present disclosure can provide a transparent display panel, a preparation method thereof and a display device. The transparent display panel includes a bearing layer disposed between a base substrate and a liquid crystal layer and including a plurality of concave structures, and a plurality of reflecting structures located between the bearing layer and the liquid crystal layer, where an orthographic projection of the concave structure on the base substrate covers an orthographic projection of one or more reflecting structures on the base substrate.

公开(公告)号：US20210173137A1

公开(公告)日：2021-06-10

申请号：US17264027

申请日：2020-05-25

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Xiandong MENG ,  Jifeng TAN ,  Shuilang DONG ,  Wei WANG ,  Wenqu LIU ,  Wenqing ZHAO ,  Qiuyu LING ,  Xianqin MENG ,  Yishan TIAN ,  Zhao KANG

IPC: F21V8/00 ,  G02F1/1362

Abstract: A display panel and a manufacturing method thereof, and a display device. The display panel includes a light guide plate, an array substrate, a liquid crystal layer between the light guide plate and the array substrate, a plurality of light-extracting gratings located on one side of a light exit surface of the light guide plate, and a transparent protection layer between a film layer where the light-extracting gratings are located and the light guide plate. The light guide plate includes a plurality of light-extracting port areas, and transparent areas besides the light-extracting port areas; each light-extracting port area is provided with one light-extracting grating; the protection layer is at least provided on the transparent areas, and the protection layer is configured to prevent the light guide plate in the transparent areas from being excessively etched to form a plurality of depressions.

公开(公告)号：US20210167274A1

公开(公告)日：2021-06-03

申请号：US17039228

申请日：2020-09-30

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Feng ZHANG ,  Wenqu LIU ,  Zhijun LV ,  Liwen DONG ,  Xiaoxin SONG ,  Zhao CUI ,  Detian MENG ,  Libo WANG

IPC: H01L41/113 ,  H01L41/047 ,  H01L41/332

Abstract: A piezoelectric device includes: a base having at least one hole, a heat conductive portion disposed in the at least one hole and in contact with a wall of the at least one hole, and at least one piezoelectric sensor disposed on the base. A thermal conductivity of the heat conductive portion is greater than a thermal conductivity of the base. Each piezoelectric sensor includes: a first electrode, a piezoelectric pattern made of a piezoelectric material and a second electrode that are sequentially stacked in a thickness direction of the base.

公开(公告)号：US20190131368A1

公开(公告)日：2019-05-02

申请号：US16133453

申请日：2018-09-17

Applicant: BOE Technology Group Co., Ltd.

Inventor： Feng ZHANG ,  Wenqu LIU ,  Zhijun LV ,  Liwen DONG ,  Shizheng ZHANG ,  Ning DANG

IPC: H01L27/32 ,  H01L51/00 ,  H01L51/56

Abstract: Embodiments of the present disclosure provide a flexible display panel, a method of manufacturing the flexible display panel, and a flexible display apparatus. The flexible display panel comprises: a reinforced insulating layer of an inorganic material, wherein the reinforced insulating layer comprises a reinforced region, and is formed with a reinforcing hole in the reinforced region; an organic material filled in the reinforcing hole; and at least one insulating film which is disposed on at least one of both sides of the reinforced insulating layer and which is in contact with the reinforced insulating layer at least in the reinforced region.

公开(公告)号：US20240347543A1

公开(公告)日：2024-10-17

申请号：US18027131

申请日：2022-04-29

Applicant: BOE Technology Group Co., Ltd.

Inventor： Yang YUE ,  Shi SHU ,  Qi YAO ,  Yong YU ,  Xiang LI ,  Chuanxiang XU ,  Shaohui LI ,  Shipei LI ,  Wenqu LIU

IPC: H01L27/12 ,  H01L25/16

CPC classification number: H01L27/124 ,  H01L25/167 ,  H01L27/1248

Abstract: A display back plate and a display device are provided. The display back plate includes multiple display units on a base substrate, at least one display unit includes a pixel region for displaying image and a light transmissive region allowing light to transmit; the pixel region includes a first trace layer and a second trace layer disposed in different layers along a thickness direction of the base substrate; and the pixel region further includes a first dielectric layer and a second dielectric layer between the first trace layer and the second trace layer, a ratio of a thickness of the first trace layer to that of the second trace layer is greater than 5; a sum of a thickness of the first dielectric layer and a thickness of the second dielectric layer is greater than 3 μm, and the thickness of the first dielectric layer is less than 2 μm.

公开(公告)号：US20240297428A1

公开(公告)日：2024-09-05

申请号：US18663144

申请日：2024-05-14

Applicant: BOE Technology Group Co., Ltd.

Inventor： Zhao CUI ,  Zhonglan ZHAO ,  Feng ZHANG ,  Wenqu LIU ,  Zhijun LV ,  Liwen DONG ,  Detian MENG ,  Dongfei HOU ,  Yuqiao LI ,  Mengya SONG ,  Guoteng LI ,  Feng QU

IPC: H01P1/18 ,  G02F1/133 ,  G02F1/1343 ,  H01Q3/38

CPC classification number: H01P1/18 ,  G02F1/13306 ,  G02F1/134309 ,  H01Q3/38

Abstract: The present disclosure relates to a liquid crystal phase shifter, a method for operating the liquid crystal phase shifter and an antenna. The liquid crystal phase shifter includes a first substrate, a second substrate, a liquid crystal layer and at least one adjustment unit. The one of the at least one adjustment unit includes a first electrode, a second electrode and a control circuit. The control circuit comprises a driving sub-circuit, a switching sub-circuit and a reset sub-circuit. The driving sub-circuit is configured to input a voltage to the first electrode. The reset sub-circuit is configured reset a voltage of a control terminal of the driving sub-circuit.

公开(公告)号：US20240267680A1

公开(公告)日：2024-08-08

申请号：US18021544

申请日：2022-05-27

Applicant: BOE Technology Group Co., Ltd.

Inventor： Yanling HAN ,  Wenqu LIU ,  Qi YAO ,  Lei WANG ,  Hua HUANG ,  Zhuo LI ,  Yonggang CAO ,  Yue GOU ,  Yaqian JI ,  Qianyan LI ,  Yingzi WANG

IPC: H04R7/10 ,  H04R31/00

CPC classification number: H04R7/10 ,  H04R31/003

Abstract: Provides are an ultrasonic transducer, a fabrication method thereof and an electronic device. The ultrasonic transducer includes: an array substrate having a groove, a bottom electrode and an insulation layer, wherein an orthographic projection of the groove on the array substrate is within an orthographic projection of the bottom electrode on the array substrate, and the insulation layer covers the bottom electrode; and an opposite substrate, the opposite substrate and the array substrate are oppositely arranged and are attached to each other, the opposite substrate and the array substrate form a cavity in the groove, the opposite substrate has a top electrode and a vibrating diaphragm layer which are arranged in stack, and an orthographic projection of the top electrode on the array substrate is within the orthographic projection of the bottom electrode on the array substrate.