公开(公告)号：US11605348B2

公开(公告)日：2023-03-14

申请号：US17433402

申请日：2020-09-28

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Minghua Xuan ,  Dongni Liu ,  Haoliang Zheng ,  Li Xiao ,  Xue Dong

IPC: G09G3/20 ,  G09G3/3258

Abstract: A pixel circuit includes an input circuit and a time control circuit. The input circuit includes a driving transistor, and the input circuit is configured to write a data signal into a gate of the driving transistor in response to a first gate signal, so that the driving transistor outputs a driving signal for driving an element to be driven to emit light according to a gate voltage and a source voltage thereof. The time control circuit is coupled to the input circuit and the element to be driven, and is configured to control the input circuit to transmit the driving signal to the element to be driven for a first duration, and control the input circuit to transmit the driving signal to the element to be driven for a second duration. The second duration is shorter than the first duration, and includes a plurality of phases spaced apart.

公开(公告)号：US20230069670A1

公开(公告)日：2023-03-02

申请号：US17778540

申请日：2021-06-25

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Wei Li ,  Can Wang ,  Can Zhang ,  Li Xiao ,  Minghua Xuan ,  Lijun Yuan ,  Jinfei Niu ,  Jingjing Zhang ,  Guangcai Yuan

IPC: H01L25/16

Abstract: A display substrate, including: a base substrate including at least a side edge and a display area; a plurality of pixel units disposed in the display area, a second pixel unit is located on a side of a first pixel unit close to the side edge, edges of the second pixel unit include the side edge, a third pixel unit is located between the first pixel unit and the second pixel unit, and the third pixel unit is adjacent to the second pixel unit; and a plurality of light emitting diode chips disposed on the base substrate a first light emitting diode chip is located in the first pixel unit, a part of a second light emitting diode chip is located in the second pixel unit, and the other part of the second light emitting diode chip is located in the third pixel unit.

公开(公告)号：US11568797B2

公开(公告)日：2023-01-31

申请号：US17408967

申请日：2021-08-23

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Dongni Liu ,  Minghua Xuan ,  Haoliang Zheng ,  Li Xiao ,  Seungwoo Han ,  Liang Chen ,  Hao Chen ,  Jiao Zhao

IPC: G09G3/32

Abstract: A light-emitting driving circuit includes a driving sub-circuit, a control sub-circuit, a data writing sub-circuit and a compensation sub-circuit. The control sub-circuit is configured to initialize voltages of a first node and a control terminal of the driving sub-circuit in response to a second scan signal. The data writing sub-circuit is configured to write a data signal into a first terminal of the driving sub-circuit in response to a first scan signal. The driving sub-circuit is configured to output, from a second terminal of the driving sub-circuit, the data signal and a compensation signal. The compensation sub-circuit is configured to transmit the data signal and the compensation signal to the first node in response to the first scan signal, and adjust the voltage of the control terminal according to the data signal, the compensation signal, the initialized voltages of the first node and the control terminal.

公开(公告)号：US11538404B2

公开(公告)日：2022-12-27

申请号：US17476798

申请日：2021-09-16

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Seungwoo Han ,  Haoliang Zheng ,  Li Xiao ,  Minghua Xuan

IPC: G09G3/32

Abstract: The present disclosure provides a pixel driving structure and a display panel. The pixel driving structure includes a pulse width modulation driving circuit, a pulse amplitude modulation driving circuit, and a buffer circuit. The pulse width modulation driving circuit is configured to control a pulse width of a driving current supplied to the light emitting device to be driven according to a pulse width modulation data voltage; the pulse amplitude modulation driving circuit is configured to control an amplitude of the driving current supplied to the light emitting device to be driven according to a pulse amplitude modulation data voltage; and the buffer circuit is electrically coupled between the pulse width modulation driving circuit and the pulse amplitude modulation driving circuit and is configured to adjust a rate at which the pulse width modulation driving circuit applies a pulse width modulation voltage to the pulse amplitude modulation driving circuit.

公开(公告)号：US11468819B2

公开(公告)日：2022-10-11

申请号：US16614365

申请日：2019-04-30

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Dongni Liu ,  Minghua Xuan ,  Lei Wang ,  Xiaochuan Chen ,  Liang Chen ,  Li Xiao ,  Detao Zhao ,  Shengji Yang ,  Pengcheng Lu ,  Zheng Fang

IPC: G09G3/3266 ,  G09G3/20

Abstract: The present disclosure relates to the field of display technologies, and in particular, to a shift register circuit and a display device. The shift register circuit may include a plurality of GOAs for outputting scan signals to a plurality of pixel driving circuits and a plurality of EOAs for outputting control signals to the plurality of pixel driving circuits, where the GOAs and the EOAs are alternately arranged in a straight line.

公开(公告)号：US11373584B2

公开(公告)日：2022-06-28

申请号：US16976858

申请日：2019-11-29

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Jiao Zhao ,  Li Xiao ,  Minghua Xuan ,  Haoliang Zheng ,  Dongni Liu ,  Jing Liu ,  Qi Qi ,  Zhenyu Zhang ,  Liang Chen ,  Hao Chen ,  Lijun Yuan

IPC: G09G3/32 ,  G11C19/28 ,  H01L25/075 ,  H01L27/02 ,  H01L27/12 ,  H01L33/62

Abstract: An array substrate has a display area, and the array substrate includes at least one pixel group and at least one pixel circuit group. The at least one pixel group is disposed in the display area, and each pixel group includes a plurality of pixels arranged in an array. Each pixel circuit group is disposed between two adjacent rows of pixels or two adjacent columns of pixels in a corresponding pixel group.

公开(公告)号：US11355061B2

公开(公告)日：2022-06-07

申请号：US16757526

申请日：2019-08-07

Applicant: BOE Technology Group Co., Ltd.

Inventor： Liang Chen ,  Lei Wang ,  Li Xiao ,  Dongni Liu ,  Detao Zhao ,  Ning Cong ,  Minghua Xuan ,  Shengji Yang ,  Xiaochuan Chen

IPC: G09G3/3233 ,  G09G3/3258 ,  H01L27/32

Abstract: The present disclosure relates to a pixel circuit, a driving method therefor, and a display apparatus. The pixel circuit includes an input sub-circuit, a light emission control sub-circuit and an organic light-emitting transistor. The input sub-circuit is coupled to a gate line, a data line and the light emission control sub-circuit and writes a data signal supplied via the data line into the light emission control sub-circuit under control of a gate scan signal supplied via the gate line. The light emission control sub-circuit is coupled to a control electrode of the organic light-emitting transistor and controls a control electrode voltage of the organic light-emitting transistor according to a written data signal to drive the organic light-emitting transistor to emit light. With the pixel circuit according to embodiments of the present disclosure, active driving of an organic light-emitting transistor is achieved when it is applied in a display apparatus.

公开(公告)号：US11335242B2

公开(公告)日：2022-05-17

申请号：US16652535

申请日：2019-10-14

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Dongni Liu ,  Minghua Xuan ,  Liang Chen ,  Detao Zhao ,  Li Xiao ,  Zheng Fang

IPC: G09G3/32 ,  H01L25/075 ,  H01L27/12 ,  H01L33/62

Abstract: The present disclosure provides a display substrate, including: a substrate; a plurality of pixel units on the substrate, each of the pixel units having a light-emitting device therein; a power supply electrode configured to supply a power supply voltage to the light-emitting device, wherein the power supply electrode includes a first electrode layer and a second electrode layer, the second electrode layer has a mesh-shaped structure and is coupled to the first electrode layer through a via hole, and the first electrode layer includes a plurality of first electrode parts spaced apart from each other and each having a block shape, each of the first electrode parts being electrically coupled to a plurality of light-emitting devices for supplying the power supply voltage to the plurality of light-emitting devices.

公开(公告)号：US11323681B2

公开(公告)日：2022-05-03

申请号：US15778375

申请日：2017-09-29

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Pengcheng Lu ,  Xiaochuan Chen ,  Shengji Yang ,  Lei Wang ,  Wenqing Zhao ,  Dongni Liu ,  Jie Fu ,  Han Yue ,  Li Xiao ,  Jian Gao ,  Haisheng Wang ,  Changfeng Li

IPC: H04N13/117 ,  H04N13/322 ,  H04N13/383 ,  H04N13/31 ,  G09G3/36

Abstract: The present disclosure provides a 3D display device and a working method of the same, the 3D display device includes a display panel, a lens unit, an acquiring component and an adjusting component, the acquiring component is configured to acquire current positions of eyes of a viewer, and the adjusting component is configured to adjust a signal for driving the display panel according to the current positions so that display information of the display panel received by the eyes of the viewer at the current positions is the same as display information of the display panel received by the eyes of the viewer at preset positions.

公开(公告)号：US11320932B2

公开(公告)日：2022-05-03

申请号：US16496236

申请日：2019-04-22

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Detao Zhao ,  Pengcheng Lu ,  Liang Chen ,  Ning Cong ,  Ming Yang ,  Dongni Liu ,  Li Xiao ,  Shengji Yang ,  Lei Wang ,  Minghua Xuan ,  Xiaochuan Chen

IPC: G06F3/041 ,  H01L27/32

Abstract: A touch display panel and a method for manufacturing the same are provided. The method includes: forming touch lines, an insulating layer and first electrodes above a substrate, the insulating layer covers the touch lines and is provided with at least one through-hole, the first electrodes are at a side of the insulating layer distal from the touch lines; forming barrier walls in each through-hole, and at a predetermined position in an interval between the first electrodes; forming a light emitting layer and a second electrode layer at a side of the light emitting layer distal from the substrate; removing the barrier walls, portions of the light emitting layer and the second electrode layer above the barrier walls, remaining portions of the second electrode layer form touch electrodes; forming an electrical conductive structure in each through-hole for coupling one touch line to one touch electrode.