公开(公告)号：US12274127B2

公开(公告)日：2025-04-08

申请号：US17615058

申请日：2021-02-24

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Dongni Liu ,  Minghua Xuan ,  Haoliang Zheng ,  Jiao Zhao

IPC: H10K59/121 ,  H10K59/131 ,  H10K59/30 ,  H10K59/12

Abstract: An array substrate is configured to carry a plurality of light emitting units with different light emitting colors. The array substrate includes a plurality of pixel driving circuits, a first voltage input line and a second voltage input line. The plurality of pixel driving circuits include at least one first driving circuit and at least one second driving circuit. The first voltage input line is coupled to the at least one first driving circuit, and is configured to transmit a first voltage to the at least one first driving circuit. The second voltage input line is coupled to the at least one second driving circuit, and is configured to transmit a second voltage to the at least one second driving circuit. The first voltage is different from the second voltage.

公开(公告)号：US12266747B2

公开(公告)日：2025-04-01

申请号：US17522282

申请日：2021-11-09

Applicant: BOE Technology Group Co., Ltd.

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

IPC: H01L33/62 ,  H01L33/00 ,  H01L33/38

Abstract: The present disclosure discloses a light-emitting substrate, a method for forming the light-emitting substrate and a display device. The light-emitting substrate includes: a base substrate; a first signal line located at one side of the base substrate; an insulation layer located at one side of the first signal line away from the base substrate; an electrode layer located at one side of the insulation layer away from the base substrate and including a first electrode terminal, a second electrode terminal and a second signal line, where the first electrode terminal is electrically connected to the first signal line via a first through hole penetrating the insulation layer; and at least one light-emitting element bound and connected to the first electrode terminal and the second electrode terminal.

公开(公告)号：US12266301B2

公开(公告)日：2025-04-01

申请号：US17772029

申请日：2021-06-30

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

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

IPC: G09G3/3233 ,  G09G3/20

Abstract: A pixel circuit includes a first driving circuit, a first control circuit, a second driving circuit and a second control circuit. The first driving circuit is configured to write a first data signal into a first node in response to a scanning signal. The first control circuit is configured to transmit a first voltage signal to the first driving circuit, and transmit a first driving signal generated by the first driving circuit according to a voltage of the first node and the first voltage signal in response to an enable signal. The second driving circuit is configured to write a second data signal into a second node in response to the scanning signal. The second control circuit is configured to transmit a second driving signal generated by the second driving circuit according to a voltage of the second node and the first voltage signal in response to a control signal.

公开(公告)号：US12198989B2

公开(公告)日：2025-01-14

申请号：US17255079

申请日：2019-11-29

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

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

IPC: H01L21/66 ,  H01L25/16 ,  H01L27/12

Abstract: The present disclosure provides a method for detecting resistance of a side trace of a display substrate and the display substrate, and belongs to the field of display technology. In the method for detecting resistance of a side trace of a display substrate, the display substrate includes: a base substrate including a first surface and a second surface opposite to each other; a plurality of first pads at intervals on the first surface; and a plurality of second pads at intervals on the second surface; the first pad is electrically connected to a corresponding second pad through a side trace; the method includes forming at least one detection unit; wherein forming the detection unit includes: connecting two first pads through a connection part; and detecting two second pads in the detection unit, and obtaining resistance of the detection unit to obtain the resistance of the side trace.

公开(公告)号：US12002410B2

公开(公告)日：2024-06-04

申请号：US17642025

申请日：2021-04-08

Applicant: BOE Technology Group Co., Ltd.

Inventor： Hao Chen ,  Zhenyu Zhang ,  Jiao Zhao ,  Li Xiao ,  Dongni Liu ,  Haoliang Zheng ,  Liang Chen ,  Minghua Xuan ,  Ming Yang ,  Xinhong Lu ,  Qi Qi

IPC: G09G3/32 ,  G01R31/52 ,  G01R31/54 ,  G09G3/00 ,  H01L25/075 ,  H01L27/12 ,  H01L33/62 ,  G09F9/33

CPC classification number: G09G3/32 ,  G01R31/52 ,  G01R31/54 ,  G09G3/006 ,  G09G3/035 ,  H01L25/0753 ,  H01L27/1244 ,  H01L33/62 ,  G09F9/33 ,  G09G2300/0426 ,  G09G2300/0452 ,  G09G2320/0233 ,  G09G2330/021

Abstract: An array substrate, a detection method for the array substrate, and a tiled display panel. In the array substrate, each of pixels (1) comprises sub-pixels (01) of at least three colors and a pixel driving chip (02) for driving each sub-pixel (01) to emit light; each sub-pixel (01) comprises at least one inorganic light-emitting diode; a display area (A1) further comprises: a positive signal line (Hm) connected to a positive electrode of each inorganic light-emitting diode, and a data signal line (Dm), a scanning line (Sn), and a reference signal line (Vm) connected to each pixel driving chip (02); each pixel driving chip (02) is used for writing signals of the data signal line (Dm) into the sub-pixels (01) of different colors under the control of the corresponding scanning line (Sn) in a time division manner.

公开(公告)号：US11996035B2

公开(公告)日：2024-05-28

申请号：US17639790

申请日：2021-03-11

Applicant: BOE Technology Group Co., Ltd.

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

IPC: G09G3/32

CPC classification number: G09G3/32 ,  G09G2300/0842 ,  G09G2310/061

Abstract: Provided is a pixel circuit. The pixel circuit includes a reset circuit, a data write circuit, a light-emission control circuit, and a drive circuit; wherein the reset circuit is configured to transmit a reset power signal supplied by the reset power terminal to the first node in response to a reset control signal; the data write circuit is configured to transmit a data signal supplied by the data signal terminal to the first node in response to a gate drive signal; the light-emission control circuit is configured to control conduction/non-conduction between the cathode of the light-emitting element and the second node, and control conduction/non-conduction between the third node and the pull-down power terminal, in response to a light-emission control signal; and the drive circuit is configured to control conduction/non-conduction between the second node and the third node in response to a potential of the first node.

公开(公告)号：US11854493B2

公开(公告)日：2023-12-26

申请号：US17052526

申请日：2019-11-27

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Jiao Zhao ,  Li Xiao ,  Minghua Xuan ,  Haoliang Zheng ,  Dongni Liu ,  Jing Liu ,  Qi Qi

IPC: G09G3/3291

CPC classification number: G09G3/3291 ,  G09G2300/0426 ,  G09G2310/0286 ,  G09G2330/06 ,  G09G2330/08

Abstract: The present disclosure provides a display substrate and a display device, and belongs to the field of display technology. The display substrate of the present disclosure includes: a base substrate; and a plurality of pixel units arranged in an array, a plurality of signal lines and signal supply modules on the base substrate; wherein the signal supply module includes: a signal supply circuit and a redundant signal supply circuit; each of the signal supply modules is electrically coupled to at least one of the plurality of pixel units through at least one of the plurality of signal lines.

公开(公告)号：US11721287B2

公开(公告)日：2023-08-08

申请号：US17789661

申请日：2021-08-18

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

CPC classification number: G09G3/3258 ,  G06F3/042 ,  G06F3/0421 ,  G09G2300/0439 ,  G09G2310/061 ,  G09G2320/0233 ,  G09G2360/14 ,  G09G2360/148 ,  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：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：US11417272B2

公开(公告)日：2022-08-16

申请号：US16763219

申请日：2019-11-01

Applicant: BOE Technology Group Co., Ltd.

Inventor： Ming Yang ,  Ning Cong ,  Han Yue ,  Can Zhang ,  Can Wang ,  Jiao Zhao ,  Angran Zhang ,  Minghua Xuan ,  Xiaochuan Chen

IPC: G09G3/3233 ,  G09G3/00 ,  G09G3/3291

Abstract: A pixel circuit and driving method are provided. The pixel circuit includes a light emitting device having a first terminal and a second terminal; a driving circuit, electrically connected to the first terminal of the light emitting device, for providing power to the light emitting device; a voltage comparator for generating a pulse width modulated signal having a duty cycle based on a data voltage and a reference voltage; an offset voltage detecting circuit, electrically connected to an output terminal of the voltage comparator, for detecting an input offset voltage of the voltage comparator; and a data voltage compensation circuit, electrically connected to the offset voltage detecting circuit, for compensating the data voltage according to the input offset voltage detected.