公开(公告)号：US12279480B2

公开(公告)日：2025-04-15

申请号：US17406113

申请日：2021-08-19

Applicant: BOE Technology Group Co., Ltd.

Inventor： Minghua Xuan ,  Haoliang Zheng

IPC: H10K59/121 ,  G09G3/3233 ,  G09G3/3266 ,  G09G3/3275

Abstract: Provided is a display substrate, including: a substrate, multiple pixel units disposed on the substrate and at least one micro integrated circuit. Each pixel unit includes multiple sub-pixels, and at least one sub-pixel of the multiple sub-pixels includes a light-emitting element and a pixel drive circuit electrically connected to the light-emitting element. The pixel drive circuit includes at least one thin film transistor. The at least one micro integrated circuit is electrically connected to at least one pixel unit.

公开(公告)号：US12277893B2

公开(公告)日：2025-04-15

申请号：US17620206

申请日：2020-12-23

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Seungwoo Han ,  Haoliang Zheng ,  Minghua Xuan

IPC: G09G3/20 ,  G09G3/32 ,  G11C19/18 ,  G11C19/28

Abstract: A shift register includes: an input circuit for transmitting an input signal to a first node under control of a first clock signal, and for transmitting the first clock signal to the second node under control of a level of the first node; a control circuit for transmitting a second power supply signal to the first node under control of a level of the second node and a second clock signal, for transmitting the second clock signal to the third node under control of a level of the fourth node and/or the first; a pull-down control circuit; and an output circuit for transmitting the fourth power supply signal or the third power supply signal to the signal output terminal. The pull-down control circuit controls a level of the fifth node regardless of the first clock signal.

公开(公告)号：US12254841B2

公开(公告)日：2025-03-18

申请号：US18274470

申请日：2021-12-20

Applicant: BOE Technology Group Co., Ltd.

Inventor： Haoliang Zheng ,  Yan Qu ,  Dongni Liu ,  Li Xiao ,  Jiao Zhao ,  Xiaorong Cui ,  Seungwoo Han ,  Minghua Xuan

IPC: G09G3/3275 ,  G09G3/3266

Abstract: A display substrate a driving method therefor, and a display apparatus. The display substrate comprises: M rows and N columns of sub-pixels, N data signal lines and a data reset circuit, wherein at least one sub-pixel comprises a pixel circuit; an ith data signal line is connected to pixel circuits in an ith column, where M≥1, N≥1, and 1≤i≤N; and the data reset circuit is electrically connected to a data reset control end, a data initial signal end and the N data signal lines, and is configured to provide a signal of the data initial signal end to the N data signal lines under the control of the data reset control end.

公开(公告)号：US12176377B2

公开(公告)日：2024-12-24

申请号：US17772951

申请日：2021-06-24

Applicant: BOE Technology Group Co., Ltd.

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

IPC: H01L27/15 ,  H01L25/18

Abstract: A chip structure, a manufacturing method thereof, and a display device are provided. The chip structure comprises a substrate, a micro light-emitting diode and a drive transistor arranged on the substrate, wherein a first pole of the drive transistor is coupled to a first electrode of the micro light-emitting diode.

公开(公告)号：US12170066B2

公开(公告)日：2024-12-17

申请号：US18338577

申请日：2023-06-21

Applicant: BOE Technology Group Co., Ltd.

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

IPC: G09G3/3258 ,  G06F3/042 ,  H04N25/00 ,  H04N25/40 ,  H04N25/47

Abstract: Provided are a photoelectric detection circuit and a driving method thereof, a display apparatus and a manufacturing method thereof. The photoelectric detection circuit includes: a first reset sub-circuit, a second reset sub-circuit, a first storage sub-circuit, a data read sub-circuit and a photosensitive device. A first terminal of the data read sub-circuit, a first terminal of the first storage sub-circuit, a first electrode of the photosensitive device and a first terminal of the first reset sub-circuit are connected to a first node. A second electrode of the photosensitive device is connected to a common voltage line. The data read sub-circuit is configured to transmit a voltage of the first node to a data read line in response to a signal of a scan line. The first reset sub-circuit is configured to reset the voltage of the first node.

公开(公告)号：US12033571B2

公开(公告)日：2024-07-09

申请号：US18307416

申请日：2023-04-26

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

CPC classification number: G09G3/32 ,  G11C19/28 ,  H01L25/0753 ,  H01L27/0296 ,  H01L27/124 ,  H01L33/62 ,  G09G2300/026 ,  G09G2310/0286 ,  G09G2330/04

Abstract: An array substrate includes M pixel lines and N pixel circuit groups. The M pixel lines are disposed in a display area and arranged in a first direction. The N pixel circuit groups are arranged in the first direction. M is an integer greater than or equal to 2, and N is a positive integer less than M. A pixel circuit group of the N pixel circuit groups is electrically connected to adjacent two pixel lines of the M pixel lines, and the first direction is one of a row direction and a column direction.

公开(公告)号：US11996034B2

公开(公告)日：2024-05-28

申请号：US17634544

申请日：2021-04-15

Applicant: BOE Technology Group Co., Ltd.

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

IPC: G09G3/32 ,  G09G3/3233

CPC classification number: G09G3/32 ,  G09G3/3233 ,  G09G2300/0426 ,  G09G2300/0819 ,  G09G2300/0861 ,  G09G2310/0251 ,  G09G2310/0267 ,  G09G2310/0275 ,  G09G2310/0297 ,  G09G2310/08 ,  G09G2320/0223 ,  G09G2320/0233 ,  G09G2320/0247

Abstract: Disclosed are a display panel, a control method for the same, and a display device. The display panel includes: M rows and N columns of pixel units, N current data lines sequentially arranged along a row direction, and N time-length data lines sequentially arranged along the row direction. Each pixel unit includes a pixel circuit, the pixel circuit including a current data terminal and a time-length data terminal. An ith column of the current data lines and an ith column of the time-length data lines are respectively located on two sides of an ith column of pixel units, the current data terminals of the pixel circuits of the ith column of pixel units are electrically connected to the ith column of the current data lines.

公开(公告)号：US11994810B2

公开(公告)日：2024-05-28

申请号：US16966874

申请日：2019-11-29

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

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

IPC: G03F9/00 ,  G03F1/42

CPC classification number: G03F9/7084 ,  G03F1/42 ,  G03F9/7076

Abstract: An alignment mark includes a first alignment marker located on a first surface of a substrate and a second alignment marker located on a second surface of the substrate. The second alignment marker is arranged to be matched with the first alignment marker, and capable of representing a process variation between the second alignment marker and the first alignment marker.

公开(公告)号：US11990083B2

公开(公告)日：2024-05-21

申请号：US17628380

申请日：2021-03-30

Applicant: BOE Technology Group Co., Ltd.

Inventor： Minghua Xuan ,  Haoliang Zheng ,  Seungwoo Han ,  Qi Qi ,  Jing Liu

IPC: G09G3/32 ,  G09G3/20

CPC classification number: G09G3/32 ,  G09G3/2007 ,  G09G2300/0819 ,  G09G2300/0852 ,  G09G2300/0861 ,  G09G2310/0286 ,  G09G2310/08 ,  G09G2320/0233

Abstract: Embodiments of the present disclosure provide a pixel drive circuit, a method for driving the pixel drive circuit, and a display device. The pixel drive circuit includes: a drive sub-circuit, a write sub-circuit and a control circuit. The control circuit further is coupled to a light-emitting control signal terminal, a second scanning signal terminal and a second data signal terminal, and is configured to determine a duration of providing a driving signal to a to-be-driven element under control of a light-emitting control signal provided by the light-emitting control signal terminal and a second scanning signal provided by the second scanning signal terminal.

公开(公告)号：US11875734B2

公开(公告)日：2024-01-16

申请号：US17636897

申请日：2021-04-21

Applicant: BOE Technology Group Co., Ltd.

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

IPC: G09G3/32 ,  G09G3/20 ,  G09G3/3233 ,  G09G3/3258 ,  G09G3/3208

CPC classification number: G09G3/32 ,  G09G3/2007 ,  G09G3/3208 ,  G09G3/3233 ,  G09G3/3258 ,  G09G2300/0819 ,  G09G2300/0852 ,  G09G2300/0861 ,  G09G2310/0251 ,  G09G2310/08 ,  G09G2320/0233 ,  G09G2320/0247 ,  G09G2320/043 ,  G09G2320/045

Abstract: Disclosed are a pixel circuit and a drive method for the same, and a display panel and a drive method for the same. The pixel circuit is configured to drive a light-emitting element to emit light, including: a current control sub-circuit and a time-length control sub-circuit. The current control sub-circuit is electrically connected to a current data terminal, a scanning signal terminal, a reset signal terminal, an initial signal terminal, a light-emitting signal terminal, a first power terminal, a first node, and a second node, respectively. The time-length control sub-circuit is electrically connected to a first control terminal, a second control terminal, a time-length data terminal, a ground terminal, a light-emitting signal terminal, a high-frequency input terminal, and the first node, respectively.