公开(公告)号：US20220376137A1

公开(公告)日：2022-11-24

申请号：US17435016

申请日：2020-11-06

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Mingxing WANG ,  Binbin TONG ,  Lizhen ZHANG ,  Chenyang ZHANG ,  Zhen ZHANG ,  Xiawei YUN ,  Guangcai YUAN ,  Xue DONG ,  Muxin DI ,  Zhiwei LIANG ,  Ke WANG ,  Zhanfeng CAO

IPC: H01L33/38 ,  H01L33/46 ,  H01L33/62 ,  H01L33/00 ,  H01L25/075

Abstract: A light-emitting diode (LED) chip includes a plurality of epitaxial structures, at least one first electrode, and a plurality of second electrodes. Any two adjacent epitaxial structures of the plurality of epitaxial structures have a gap therebetween. Each epitaxial structure includes a first semiconductor pattern, a light-emitting pattern and a second semiconductor pattern stacked in sequence. First semiconductor patterns in at least two of the plurality of epitaxial structures are connected to each other to form a first semiconductor layer. A first electrode is electrically connected to the first semiconductor layer. Each second electrode is electrically connected to the second semiconductor pattern in at least one of the plurality of epitaxial structures.

公开(公告)号：US20220353613A1

公开(公告)日：2022-11-03

申请号：US17765225

申请日：2021-05-08

Applicant: BOE Technology Group Co., Ltd.

Inventor： Yanling HAN ,  Yingming LIU ,  Yuzhen GUO ,  Chenyang ZHANG ,  Peixiao LI ,  Xiufeng LI ,  Yaqian JI ,  Yue GOU ,  Wei SUN ,  Wenchao HAN ,  Lianghao ZHANG

IPC: H04R3/12 ,  H04R17/00 ,  H04R1/40 ,  H04R1/02 ,  G06F3/01 ,  H04R29/00

Abstract: The present disclosure provides a sound producing device, a method for driving the sound producing device, a display panel and a display apparatus. The sound producing device includes a recognition element, a directional sound production element and a control element, where the recognition element is connected with the control element and is configured to acquire information relating to a person in a preset range and transmit the acquired information relating to the person to the control element; the control element is connected with the directional sound production element and is configured to acquire a corresponding audio signal according to the acquired information relating to the person and control the directional sound production element to send out a sound wave according to the acquired audio signal.

公开(公告)号：US20220317024A1

公开(公告)日：2022-10-06

申请号：US17588305

申请日：2022-01-30

Applicant: BOE Technology Group Co., Ltd.

Inventor： Chenyang ZHANG ,  Fuqiang LI ,  Meili WANG ,  Lei WANG ,  Xuan FENG ,  Xuan LIANG ,  Fei WANG ,  Xinxin ZHAO

IPC: G01N21/17 ,  H01L27/146 ,  H01L27/148

Abstract: An optical detection apparatus and method for detecting a display panel is provided. The apparatus includes photosensitive units arranged in an array. A minimum distance between adjacent photosensitive units is less than a sub-pixel size of the display panel; the photosensitive units in adjacent rows have a position offset in a first direction; and an offset distance corresponding to the position offset is less than the sub-pixel size of the display panel.

公开(公告)号：US20220103940A1

公开(公告)日：2022-03-31

申请号：US17241797

申请日：2021-04-27

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Yanling HAN ,  Yingming LIU ,  Yaqian JI ,  Xiufeng LI ,  Wenchao HAN ,  Lianghao ZHANG ,  Peixiao LI ,  Yuzhen GUO ,  Yue GOU ,  Chenyang ZHANG ,  Xiaoliang DING ,  Jing YU

IPC: H04R3/12 ,  G06F3/147 ,  G06F3/16 ,  H04R1/40 ,  H04R1/02 ,  H04R1/34 ,  G10L25/57

Abstract: The present application provides a display device, a sounding control method and a sounding control device. The display device includes: a display panel including a plurality of display pixel groups, wherein each display pixel group includes at least one pixel unit; a plurality of sounding units arranged in an array at one side of the display panel away from a display screen; and sound transmission channels in spacing regions between adjacent ones of the display pixel groups. Sound produced by the sounding units is output from the display panel through the sound transmission channels, and sound produced by different ones of the sounding units is output through different ones of the sound transmission channels.

公开(公告)号：US20210305487A1

公开(公告)日：2021-09-30

申请号：US17264912

申请日：2020-05-29

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Xiufeng LI ,  Yingming LIU ,  Yuzhen GUO ,  Chenyang ZHANG

IPC: H01L41/113 ,  H01L41/047 ,  H01L41/08 ,  H01L41/27 ,  G06K9/00

Abstract: A piezoelectric sensor and a manufacturing method thereof, a method for recognizing a fingerprint, and an electronic device are disclosed. The piezoelectric sensor includes a first electrode layer and a second electrode layer which are opposite to each other and a piezoelectric layer. The piezoelectric layer is between the first electrode layer and the second electrode layer and includes a plurality of piezoelectric units arranged at intervals and an insulation layer between adjacent piezoelectric units of the plurality of piezoelectric units. The first electrode layer includes a plurality of sub-electrodes corresponding to the plurality of piezoelectric units, or the second electrode layer includes a plurality of sub-electrodes corresponding to the plurality of piezoelectric units; or both the first electrode layer and the second electrode layer include a plurality of sub-electrodes corresponding to the plurality of piezoelectric units.

公开(公告)号：US20210165524A1

公开(公告)日：2021-06-03

申请号：US17265802

申请日：2020-07-02

Applicant: BOE Technology Group Co., Ltd.

Inventor： Yingming LIU ,  Haisheng WANG ,  Xiaoliang DING ,  Lei WANG ,  Pengpeng WANG ,  Changfeng LI ,  Xiufeng LI ,  Chenyang ZHANG ,  Tianqi WANG

IPC: G06F3/043 ,  B06B1/02 ,  B06B1/06

Abstract: An ultrasonic induction circuit is provided, a first electrode of an ultrasonic sensor is electrically connected with a first terminal of the ultrasonic sensing circuit, a second electrode is electrically connected with a second terminal of a first potential supply sub-circuit, and the first terminal of the first potential supply sub-circuit is electrically connected with a first potential supply end. A gate of M1 is electrically connected with the second electrode and the second terminal of the compensation sub-circuit. The second electrode is electrically connected with the first terminal of the compensation sub-circuit. The first electrode is coupled to the second potential supply end. The first terminal of the signal output sub-circuit is electrically connected to the second electrode of the first transistor, and the second terminal is electrically connected to the second terminal of the ultrasonic induction circuit.

公开(公告)号：US20210156977A1

公开(公告)日：2021-05-27

申请号：US16832786

申请日：2020-03-27

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Xiufeng LI ,  Yingming LIU ,  Haisheng WANG ,  Xiaoliang DING ,  Pengpeng WANG ,  Yuzhen GUO ,  Lijun ZHAO ,  Chenyang ZHANG ,  Yaqian JI ,  Yanling HAN ,  Peixiao LI

IPC: G01S7/52 ,  B06B1/06 ,  H01L41/047 ,  H01L41/113 ,  H01L41/18 ,  B06B1/02

Abstract: An ultrasonic sensing module, an ultrasonic sensing device and a control method thereof, and a display device. The ultrasonic sensing module includes a first electrode layer, a piezoelectric layer, a receiving electrode layer and an emission electrode layer. The first electrode layer is on a first side of the piezoelectric layer; the receiving electrode layer and the emission electrode layer insulated from the receiving electrode layer are on a second side of the piezoelectric layer; and the second side is opposite to the first side.

公开(公告)号：US20200242316A1

公开(公告)日：2020-07-30

申请号：US16575716

申请日：2019-09-19

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Yingming LIU ,  Haisheng WANG ,  Xiaoliang DING ,  Pengpeng WANG ,  Xiufeng LI ,  Chenyang ZHANG ,  Peixiao LI

IPC: G06K9/00 ,  G06F3/01 ,  H01L41/18

Abstract: A fingerprint identification module, a manufacturing method thereof, a driving method thereof, and a display device are disclosed. The fingerprint identification module includes: a plurality of ultrasonic wave receiving sensors, configured to receive an ultrasonic wave; and at least one ultrasonic wave emission sensor, configured to emit an ultrasonic wave, each of the plurality of ultrasonic wave receiving sensors includes a first piezoelectric material layer, each of the at least one ultrasonic wave emission sensor includes a second piezoelectric material layer, and a material of the first piezoelectric material layer is different from a material of the second piezoelectric material layer.