公开(公告)号：US20210291230A1

公开(公告)日：2021-09-23

申请号：US17266445

申请日：2020-05-21

Applicant: Beijing BOE Technology Development Co., Ltd. ,  BOE Technology Group Co., Ltd.

Inventor： Liye DUAN ,  Mengjun HOU ,  Yao LU ,  Zongmin LIU

IPC: B06B1/06 ,  B06B3/04 ,  H01L41/08 ,  H01L41/047

Abstract: The present disclosure provides an acoustic wave transducer and a driving method thereof, The acoustic wave transducer includes cell groups, at least part of which each include acoustic wave transducer cells configured to perform a same operation, each acoustic wave transducer cell being configured to perform at least one of: converting an acoustic wave signal into an electrical signal and converting an electrical signal into an acoustic wave signal; and array element signal terminals, each of which is coupled to at least two adjacent cell groups, and is coupled to different cell groups through different switch devices, each switch device being configured to control connection and disconnection between the array element signal terminal and the cell group coupled to the switch device, and the cell groups coupled to an array element signal terminal and the cell groups coupled to an adjacent array element signal terminal are partly the same.

公开(公告)号：US20220229194A1

公开(公告)日：2022-07-21

申请号：US17488259

申请日：2021-09-28

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Jiangbo CHEN ,  Fanli MENG ,  Zeyuan LI ,  Yao LU ,  Tuo SUN ,  Yanzhao LI ,  Ding DING

IPC: G01T1/20 ,  H04N5/32 ,  H04N5/378 ,  H01L27/146

Abstract: The present disclosure provides an active pixel sensor and a flat panel detector. The active pixel sensor includes: a light sensing device configured to convert light sensed by the light sensing device into charges and supply the charges to a floating diffusion node; an amplification sub-circuit configured to amplify a signal according to a potential at the floating diffusion node and output the amplified signal through the output terminal; an adjustment sub-circuit configured to adjust, in response to a first control signal, a conversion gain from an amount of the light sensed by the light sensing device to the potential at the floating diffusion node; and a read sub-circuit configured to transmit a voltage of the input terminal of the read sub-circuit to the output terminal of the read sub-circuit according to a scan signal provided by the scan line.

公开(公告)号：US20220165900A1

公开(公告)日：2022-05-26

申请号：US17356194

申请日：2021-06-23

Applicant: BOE Technology Group Co., Ltd.

Inventor： Fanli MENG ,  Jiangbo CHEN ,  Zeyuan LI ,  Yao LU ,  Ning DANG

IPC: H01L31/08 ,  H01L31/0224 ,  A61B6/00

Abstract: The present disclosure provides a flat panel detector and a medical image detection device. The flat panel detector includes a base substrate, wherein the base substrate is divided into a plurality of detection units, each detection unit includes a first absorbing layer and a second absorbing layer, both of which are arranged on the base substrate in a laminating manner, the second absorbing layer is located on one side, away from the base substrate, of the first absorbing layer, and an energy level of rays absorbed by the second absorbing layer is smaller than that of rays absorbed by the first absorbing layer; a voltage supply electrode structure; and an output circuit, electrically connected to the voltage supply electrode structure and configured to output a first detection signal of the first absorbing layer and a second detection signal of the second absorbing layer.

公开(公告)号：US20220093658A1

公开(公告)日：2022-03-24

申请号：US17406951

申请日：2021-08-19

Applicant: BOE Technology Group Co., Ltd.

Inventor： Jiangbo CHEN ,  Fanli MENG ,  Zeyuan LI ,  Yao LU ,  Liye DUAN ,  Yanzhao LI

IPC: H01L27/146

Abstract: A detection substrate and a ray detector are disclosed. The detection substrate includes a base substrate; a plurality of detection pixel circuits, located on the base substrate; a first passivation layer, located on the side, facing away from the base substrate, of the detection pixel circuits; a planarization layer, located on the side, facing away from the base substrate, of the first passivation layer, where the surface of the side, facing away from the first passivation layer, of the planarization layer is a plane; and a plurality of photosensitive devices; where the photosensitive devices are electrically connected to the detection pixel circuits in a one-to-one correspondence through vias penetrating through the first passivation layer and the planarization layer, and each photosensitive device includes a first portion and a second portion.

公开(公告)号：US20220165764A1

公开(公告)日：2022-05-26

申请号：US17516206

申请日：2021-11-01

Applicant: BOE Technology Group Co., Ltd.

Inventor： Jiangbo CHEN ,  Yao LU ,  Liye DUAN ,  Tuo SUN

IPC: H01L27/146 ,  H01L27/28 ,  G01T1/20

Abstract: An X-ray flat panel detector, a method for manufacturing the X-ray flat panel detector, a detection device and an imaging system are provided. The X-ray flat panel detector includes: a substrate; a back plate layer arranged on the substrate and including a plurality of thin film transistors, each thin film transistor including a source/drain electrode layer; a wiring layer arranged at a side of the back plate layer distal to the substrate and including a plurality of connection lines; and a photosensitive element layer arranged at a side of the wiring layer distal to the substrate and including first electrodes. Each first electrode is electrically connected to the source/drain electrode layer of a corresponding thin film transistor through a corresponding connection line, and an orthogonal projection of the first electrode onto the substrate does not overlap an orthogonal projection of the corresponding thin film transistor onto the substrate.

公开(公告)号：US20210295797A1

公开(公告)日：2021-09-23

申请号：US17264325

申请日：2020-05-28

Applicant: BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD. ,  BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Liye DUAN ,  Zongmin LIU ,  Long WANG ,  Mengjun HOU ,  Yao LU

IPC: G09G3/36 ,  G09G3/3275 ,  G09G3/3266

Abstract: A display panel and a driving method thereof, and a display device are provided. The display panel includes a first display region, a second display region, and a control device. The first display region is on a side of the second display region, and the second display region includes N display sub-regions; and the control device is connected to the first display region and the second display region, respectively, and configured to control display of the first display region and display of the second display region in i time intervals within one frame period, and sequentially control the display of the first display region and display of an i-th display sub-region in the second display region in an i-th time interval, wherein 1≤i≤N, and N is a positive integer greater than or equal to 3.