公开(公告)号：US11309365B2

公开(公告)日：2022-04-19

申请号：US16901882

申请日：2020-06-15

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Yawei Wang ,  Haisheng Wang ,  Lei Wang ,  Lin Zhang

IPC: G06F3/041 ,  H01L27/32 ,  G06V40/13

Abstract: The present disclosure provides an optical fingerprint sensor and a display module. The optical fingerprint sensor includes a photodiode and a switching thin film transistor connected to the photodiode, in which the photodiode includes a first electrode made of a light-absorbing conductive nano-material; the first electrode is located in a same layer as a second electrode of the switching thin film transistor, and the first electrode includes a light-entering end surface facing a light-entering side and a side surface connected to the light-entering end surface, the side surface includes a curved portion, and the second electrode is at least connected to the curved portion.

公开(公告)号：US11296122B2

公开(公告)日：2022-04-05

申请号：US16641372

申请日：2019-05-23

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Hongwei Tian ,  Yanan Niu ,  Meng Zhao ,  Lei Wang ,  Zheng Liu

IPC: H01L27/12

Abstract: Embodiments of the present disclosure provide an array substrate including a base substrate, an active layer on the base substrate, a first gate insulating layer on the active layer, a first gate on the first gate insulating layer, and a second gate insulating layer on the first gate. The second gate insulating layer includes a first sub-insulating layer and a second sub-insulating layer disposed in a direction away from the active layer, and a hydrogen content of the first sub-insulating layer is larger than a hydrogen content of the second sub-insulating layer. A method for fabricating the array substrate and a display panel including the array substrate are also provided.

公开(公告)号：US11276252B2

公开(公告)日：2022-03-15

申请号：US16903289

申请日：2020-06-16

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Lin Zhang ,  Lei Wang ,  Haisheng Wang

IPC: G06K9/00 ,  G06V40/13 ,  G02F1/13357 ,  G02F1/1362 ,  G02F1/1368

Abstract: Embodiments of the present disclosure provide a texture acquisition device, a method for manufacturing a texture acquisition device, and a texture acquisition method. The texture acquisition device includes: a display panel; a backlight layer including a plurality of light sources spaced apart from each other, the light sources being configured to emit light toward a light exit side of the display panel; and a plurality of photoelectric sensors, wherein the texture acquisition device is configured in such a way that the light emitted by the light source is irradiated to a region between adjacent light sources after being reflected by an object to be detected on the display panel, to form an optical path, and at least one photoelectric sensor is provided in the optical path so as to detect the light reflected by the object to be detected to recognize an texture image of the object to be detected.

公开(公告)号：US11263426B2

公开(公告)日：2022-03-01

申请号：US17264328

申请日：2020-06-18

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Yingming Liu ,  Haisheng Wang ,  Xiaoliang Ding ,  Lei Wang ,  Pengpeng Wang ,  Changfeng Li

IPC: G06K9/00

Abstract: A fingerprint identification device, a driving method thereof, and a display device are disclosed. The fingerprint identification device includes: a receiving electrode layer, a piezoelectric material layer, and a drive electrode layer. The piezoelectric material layer is between the receiving electrode layer and the drive electrode layer, the piezoelectric material layer is configured to emit ultrasonic waves under an excitation of at least a drive voltage, and is further configured to convert ultrasonic waves, which are emitted by the piezoelectric material layer and reflected by a fingerprint to be detected, into electrical signals; the drive electrode layer is configured to receive the drive voltage and a first fixed voltage simultaneously, and the receiving electrode layer is configured to output the electrical signals while receiving a second fixed voltage; the electrical signals are used for obtaining a fingerprint image.

公开(公告)号：US11239256B2

公开(公告)日：2022-02-01

申请号：US16465292

申请日：2018-11-28

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Dongni Liu ,  Can Wang ,  Minghua Xuan ,  Lei Wang ,  Li Xiao ,  Liang Chen ,  Shengji Yang ,  Pengcheng Lu ,  Xiaochuan Chen

IPC: H01L27/12 ,  H01L27/32

Abstract: A display substrate includes a first substrate, a first sub-pixel layer and a second sub-pixel layer positioned on the first substrate; the first sub-pixel layer includes a plurality of first sub-pixels, the second sub-pixel layer includes a plurality of second sub-pixels, and a first orthographic projection of the first sub-pixel on the first substrate does not overlap with a second orthographic projection of the second sub-pixel on the first substrate. A display panel, a display device and a method for manufacturing the display substrate are also disclosed.

公开(公告)号：US11238830B2

公开(公告)日：2022-02-01

申请号：US16964765

申请日：2020-02-10

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Xiaoliang Ding ,  Xue Dong ,  Haisheng Wang ,  Lei Wang ,  Lin Zhang ,  Pengpeng Wang ,  Wei Wang

IPC: G09G5/10 ,  H04N13/15 ,  H04N13/307

Abstract: Disclosed are a display device and a display method thereof. The display device includes a data acquisition portion and a display portion. The data acquisition portion is configured to acquire light field information, and the data acquisition portion includes a plurality of first optical structures and a plurality of photosensitive unit groups, the first optical structures are at a light incident side of the photosensitive unit groups, and the first optical structures are in one-to-one correspondence with the photosensitive unit groups. The display portion is configured to display the light field information acquired by the data acquisition portion, the display portion includes a plurality of second optical structures and a plurality of sub-pixel groups, the second optical structures are at a light exit side of the sub-pixel groups, and the sub-pixel groups are in one-to-one correspondence with the second optical structures.

公开(公告)号：US11226700B2

公开(公告)日：2022-01-18

申请号：US16633231

申请日：2019-02-20

Applicant: ORDOS YUANSHENG OPTOELECTRONICS CO., LTD. ,  BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Lei Wang ,  Jigang Sun

IPC: G06F3/041 ,  G09G3/20 ,  G11C19/28 ,  G06F3/044 ,  G09G3/3208 ,  G09G3/36

Abstract: A shift register circuit, a driving circuit, a display device and a driving method. The shift register circuit including P shift registers that are cascaded and a bypass output circuit, wherein each of the P shift registers includes a first scan output terminal, the first scan output terminal is configured to output a first scan signal, the bypass output circuit includes Q control terminals and a second scan output, the Q control terminals of the bypass output circuit are configured to receive the first scan signal, and the bypass output circuit is configured to output a second scan signal under control of the first scan signal received by the Q control terminals respectively, P is an integer greater than or equal to 2, and Q is an integer less than or equal to P.

公开(公告)号：US11209943B2

公开(公告)日：2021-12-28

申请号：US16074107

申请日：2018-01-03

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Shengji Yang ,  Xue Dong ,  Xiaochuan Chen ,  Minghua Xuan ,  Lei Wang ,  Jie Fu ,  Li Xiao ,  Pengcheng Lu ,  Dongni Liu

IPC: G06F3/044 ,  G06F3/041 ,  H01L27/32 ,  H01L51/52

Abstract: An OLED touch display panel and a touch display device are disclosed. The OLED touch display panel includes a TFT back plate and a cathode layer disposed on the TFT back plate. The cathode layer includes a plurality of touch leads which are insulated from each other and a plurality of self-capacitance electrodes which are insulated from each other and arranged in a form of a matrix. The touch leads extend to a non-display region of the OLED touch display panel. Each one of the touch leads is connected with one of the self-capacitance electrodes, and resistance values of the touch leads connected with the self-capacitance electrodes of a same row are all consistent.

公开(公告)号：US20210365656A1

公开(公告)日：2021-11-25

申请号：US16346223

申请日：2018-11-01

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Rui Xu ,  Xue Dong ,  Haisheng Wang ,  Yingming Liu ,  Lei Wang ,  Changfeng Li ,  Pinchao Gu ,  Xueyou Cao ,  Wei Liu ,  Xiaoliang Ding ,  Xiaoquan Hai

IPC: G06K9/00 ,  G06F21/32 ,  G06F21/84

Abstract: A fingerprint identification module may include an array substrate (201), a plurality of point light sources (202) on the array substrate (201), and a plurality of photosensors (203) on the array substrate (201). The array substrate (201) may include a switch array (204) and a light emitting unit array (205) on the switch array (204). The plurality of point light sources (202) is configured to emit light to irradiate different regions of a finger at different times.

公开(公告)号：US20210358387A1

公开(公告)日：2021-11-18

申请号：US16467135

申请日：2018-12-12

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Minghua Xuan ,  Han Yue ,  Ning Cong ,  Xiaochuan Chen ,  Lei Wang

IPC: G09G3/32 ,  G09G3/20

Abstract: The present disclosure relates to a pixel circuit. The pixel circuit may include at least one light emitting circuit. One of the at least one light emitting circuit may include an input sub-circuit, a latch sub-circuit, and an output sub-circuit. The input sub-circuit may be configured to transmit a signal at a data voltage terminal to the latch sub-circuit. The latch sub-circuit may be configured to generate a control signal in accordance with the signal at the data voltage terminal and store the control signal. The output sub-circuit may be configured to transmit one of a signal at a first voltage terminal and a signal at a second voltage terminal to a light emitting unit under control of the control signal.