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：US20240214744A1

公开(公告)日：2024-06-27

申请号：US17913510

申请日：2021-09-13

Applicant: BOE Technology Group Co., Ltd.

Inventor： Zhao CUI ,  Feng ZHANG ,  Wenqu LIU ,  Zhijun LV ,  Liwen DONG ,  Detian MENG ,  Libo WANG ,  Dongfei HOU ,  Haitao HUANG ,  Liuqing LI ,  Qi YAO

IPC: H04R17/00 ,  H10N30/081 ,  H10N30/85 ,  H10N30/88

CPC classification number: H04R17/00 ,  H10N30/081 ,  H10N30/852 ,  H10N30/883 ,  H04R2499/15

Abstract: A sound generating panel, a display device with a screen generating sound and a method for manufacturing a sound generating panel are provided. The sound generating panel includes sound generating unit groups, each of which includes sound generating units. Each sound generating unit includes a support layer with openings and two piezoelectric structures resonating through a cavity, improving a sound pressure generated by the sound generating panel. Each sound generating unit group includes sound generating units with different radii, thereby realizing sound generating at different frequencies, and improving a sound effect of the sound generating panel. Each of some sound generating unit groups includes ultrasonic detection units for detecting a distance between a listener and the sound generating panel, so that an effect of automatically regulating and controlling a volume of sound is realized. In the display device, the sound generating panel is on a display side of a display panel, so that sound waves can directly enter human ears. The sound generating panel provided by the present disclosure is capable of automatically regulating and controlling the volume of sound and having a vivid sound effect, and the sound generating panel is integrated to the display panel, improving a level of integration of a screen.

公开(公告)号：US20230003688A1

公开(公告)日：2023-01-05

申请号：US16957614

申请日：2019-07-18

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

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

IPC: G01N29/02

Abstract: A micro total analysis system, operating method and manufacturing method thereof are provided. The micro total analysis system includes at least one micro total analysis unit each including: microfluidic device including first electrode and dielectric layer connected to each other, where the dielectric layer drives to-be-measured droplet to move based on voltage of the first electrode; and acoustic wave detection device including second electrode connected to the dielectric layer, where the dielectric layer is also used as transducer of the acoustic wave detection device, and configured to generate acoustic wave toward the droplet based on voltage of the second electrode, and generate a detection result corresponding to the droplet based on received acoustic wave. The micro total analysis system, the operating method and the manufacturing method thereof enables the microfluidic device and the acoustic wave detection device to be integrated in the same chip.

公开(公告)号：US20220334429A1

公开(公告)日：2022-10-20

申请号：US16964106

申请日：2019-09-03

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

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

IPC: G02F1/1335 ,  G02F1/1343 ,  G02F1/1333 ,  G02F1/137 ,  G02F1/1337 ,  F21V8/00

Abstract: The embodiments of the present disclosure provide a display panel. The display panel includes a first substrate, a second substrate disposed opposite to the first substrate, and a liquid crystal layer between the first substrate and the second substrate, a plurality of first electrodes disposed on a side, close to the second substrate, of the first substrate and spaced apart at intervals, a first dielectric layer for planarizing the plurality of first electrodes, a second dielectric layer disposed on a side, close to the liquid crystal layer, of the first dielectric layer, a light shielding portion disposed on the side, close to the liquid crystal layer, of the second substrate, and a control circuit configured to apply a voltage between the first electrode and the second electrode so that the liquid crystal layer is in a first state or a second state.

公开(公告)号：US20220035503A1

公开(公告)日：2022-02-03

申请号：US17242511

申请日：2021-04-28

Applicant: BOE Technology Group Co., Ltd.

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

IPC: G06F3/041 ,  G06F3/045 ,  G06F3/044 ,  G06K9/00

Abstract: The present disclosure provides a fingerprint recognition unit and a fabrication method thereof, a fingerprint recognition module and a display device. The fingerprint recognition unit includes: a bearing substrate; a receiving electrode layer on the bearing substrate; a piezoelectric material layer on a side of the receiving electrode layer away from the bearing substrate; and a driving electrode layer on a side of the piezoelectric material layer away from the receiving electrode layer. A density of the driving electrode layer is greater than 5 g/cm3, and a thickness of the driving electrode layer, a thickness of the piezoelectric material layer and a thickness of the bearing substrate are configured such that a vibration nodal plane of the piezoelectric material layer is within the piezoelectric material layer.

公开(公告)号：US20210385583A1

公开(公告)日：2021-12-09

申请号：US17288947

申请日：2020-05-29

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

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

IPC: H04R17/00 ,  H04R3/00 ,  H04R31/00 ,  H01L41/047 ,  H01L41/193

Abstract: A transducer, a method of manufacturing a transducer, and a transducing device are provided. The transducer includes a receiving unit and a transmitting unit. The receiving unit includes a first receiving electrode, a first piezoelectric film, and a second receiving electrode which are sequentially stacked, and the receiving unit is configured to convert a first acoustic wave signal into an electrical signal by using a piezoelectric effect of the first piezoelectric film. The transmitting unit is configured to receive a control signal, which is based on the electrical signal, to transmit a second acoustic wave signal.

公开(公告)号：US20250015239A1

公开(公告)日：2025-01-09

申请号：US18273042

申请日：2022-05-24

Applicant: BOE Technology Group Co., Ltd.

Inventor： Dongfei HOU ,  Mengya SONG ,  Feng ZHANG ,  Zhao CUI ,  Liwen DONG ,  Zhijun LV ,  Detian MENG ,  Wenqu LIU ,  Yuqiao LI ,  Qi YAO

IPC: H01L33/58

Abstract: A microlens substrate, a display device and a method for manufacturing a microlens substrate are provided. The microlens substrate includes: a base; a first lens pattern disposed on a side of the base and including a plurality of first microlenses distributed at intervals; a second lens pattern disposed on a side of the first lens pattern and including a plurality of second microlenses distributed at intervals, where an orthographic projection of at least one of the plurality of second microlens on the base is located between two orthographic projections of two adjacent first microlenses on the base.

公开(公告)号：US20240282782A1

公开(公告)日：2024-08-22

申请号：US18640015

申请日：2024-04-19

Applicant: BOE Technology Group Co., Ltd.

Inventor： Guoteng LI ,  Shuilang DONG ,  Xinhong LU ,  Jingshang ZHOU ,  Liuqing LI ,  Zhao CUI ,  Dapeng XUE ,  Zhiqiang XU ,  Jintao PENG ,  Weixing LIU ,  Kai GUO ,  Chunfang ZHANG ,  Meirong LU ,  Wanpeng TENG

IPC: H01L27/12 ,  H01L25/16

CPC classification number: H01L27/1248 ,  H01L25/167

Abstract: A display panel and a display device are provided. The display panel includes a plurality of display units, each display unit includes a transparent area, and the display panel further includes a base substrate and a composite functional layer. The composite functional layer is provided on a side of the base substrate and has a first through-hole formed therein, and the first through-hole is provided in the transparent area. The composite functional layer includes a composite transparent layer and a light-shielding layer. The composite transparent layer includes a plurality of transparent functional layers, and includes a light-transmitting part surrounding the first through-hole. An orthographic projection of the light-shielding layer on the base substrate covers an orthographic projection of at least a portion of the light-transmitting part on the base substrate.

公开(公告)号：US20230157176A1

公开(公告)日：2023-05-18

申请号：US17432433

申请日：2021-02-23

Applicant: BOE Technology Group Co., Ltd.

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

IPC: H10N30/20 ,  H10K59/122 ,  H10K59/80 ,  H10K59/12 ,  H10K71/00

CPC classification number: H10N30/20 ,  H10K59/122 ,  H10K59/873 ,  H10K59/1201 ,  H10K71/00

Abstract: The disclosure provides a displaying substrate, a manufacturing method thereof, and a display panel, and relates to the technical field of display. The displaying substrate comprises a first supporting base (1), plurality of vibrating element modules (2), and a display module (3). The display module (3) comprises display units (31), connecting units (32) and hollowed-out units (33). Each connecting unit (32) is located between two adjacent display units (31). Each hollowed-out unit (33) is located between two adjacent display units (31) except an area where the corresponding connecting unit (32) is located. The hollowed-out units (33) are provided with cavities (40) corresponding to the vibrating element modules (2). Orthographic projections of the hollowed-out units (33) on a reference plane cover orthographic projections of the vibrating element modules (2) on the reference plane. The vibrating element modules (2) and the cavities (40) form a transducer.

公开(公告)号：US20230058002A1

公开(公告)日：2023-02-23

申请号：US17795069

申请日：2021-06-08

Applicant: BOE Technology Group Co., Ltd.

Inventor： Haitao HUANG ,  Shi SHU ,  Qi YAO ,  Renquan GU ,  Zhao CUI ,  Chuanxiang XU

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

Abstract: Disclosed are methods of preparing lens arrays, display apparatuses, and methods of preparing display apparatuses. A method of preparing a lens array includes: forming a hybrid film on a base substrate, the hybrid film including first hybrid sub-films arranged in an array and a second hybrid sub-film, and a contact angle of a liquid on a surface of the first hybrid sub-film being less than a contact angle of the liquid on a surface of the second hybrid sub-film; coating the hybrid film with a photo-curable resin to form liquid droplets arranged in an array, the liquid droplets being lens-shaped and located on the first hybrid sub-films, respectively; and photo-curing the photo-curable resin to obtain lenses arranged in an array, the lenses being located on the first hybrid sub-films, respectively.