公开(公告)号：US20230343256A1

公开(公告)日：2023-10-26

申请号：US18015394

申请日：2021-11-18

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Xinbin HAN ,  Xinshe YIN

IPC: G09G3/00 ,  G09G3/3208 ,  G09G3/20

CPC classification number: G09G3/006 ,  G09G3/3208 ,  G09G3/2092 ,  G09G2310/08 ,  G09G2330/12

Abstract: A sampling circuit includes: a first input terminal, a second input terminal, a first voltage acquisition sub-circuit, and a current integrating sub-circuit. The first voltage acquisition sub-circuit is coupled to the first input terminal and the current integrating sub-circuit, and is configured to acquire a first voltage of the first input terminal and transmit the first voltage to the current integrating sub-circuit. The current integrating sub-circuit is further coupled to the second input terminal, and is configured to, generate and output a second voltage according to the first voltage and an integral of a driving current transmitted to the current integrating sub-circuit through the second input terminal over time, and output the first voltage in response to an integral control signal received by the current integrating sub-circuit.

公开(公告)号：US20250052617A1

公开(公告)日：2025-02-13

申请号：US18275017

申请日：2022-07-28

Applicant: BOE Technology Group Co., Ltd.

Inventor： Xinshe YIN ,  Hui ZHAO ,  Xinbin HAN

IPC: G01J3/50

Abstract: A light detection structure may include a photoelectric conversion device, a current conversion device and a control device; the photoelectric conversion device is electrically connected with the current conversion device, configured to convert an incident light of N colors into current signals, and providing the current signals to the current conversion device under a control of a control signal; the current conversion device is configured to convert the current signals into voltage signals corresponding to the current signals; the control device is electrically connected with the photoelectric conversion device and the current conversion device respectively, and is configured to generate the control signals and generate chromaticity parameters of light according to the voltage signals corresponding to the current signals, wherein the chromaticity parameters include brightness, color temperature and color coordinates.

公开(公告)号：US20230368739A1

公开(公告)日：2023-11-16

申请号：US18245107

申请日：2022-03-04

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Xinshe YIN ,  Xinbin HAN ,  Hualing YANG

IPC: G09G3/3258 ,  G09G3/20

CPC classification number: G09G3/3258 ,  G09G3/2096 ,  G09G2300/0842 ,  G09G2330/028 ,  G09G2300/0819 ,  G09G2300/0452 ,  G09G2320/045 ,  G09G2320/0626

Abstract: A display panel includes sub-pixels and set voltage generation circuit(s); each sub-pixel includes a pixel driving circuit and a first light-emitting device, the pixel driving circuit includes at least a driving transistor and a sensing transistor, a first electrode of the sensing transistor is electrically connected to a sensing signal terminal; an output terminal of a set voltage generation circuit is electrically connected to a sensing signal terminal of at least one sub-pixel; the set voltage generation circuit is configured to generate a set voltage signal and transmit it to a sensing transistor of the at least one sub-pixel and a second electrode of a driving transistor of the at least one sub-pixel in a sensing period; and a voltage of the set voltage signal is substantially equal to a voltage of the second electrode of the driving transistor of the at least one sub-pixel in the driving period.

公开(公告)号：US20250113715A1

公开(公告)日：2025-04-03

申请号：US18580164

申请日：2022-08-17

Applicant: BOE Technology Group Co., Ltd.

Inventor： Mengyang WEN ,  Jianchao ZHU ,  Hao LIU ,  Guangliang SHANG ,  Xinbin HAN ,  Yuxin ZHANG ,  Libin LIU

IPC: H10K59/131

Abstract: A display substrate is disclosed, including a base substrate, multiple data lines, multiple sub-pixels, multiple data lead-out lines, and at least one first compensation unit. The base substrate includes a display area and a first bezel area located on a side of the display area. The multiple data lines and the plurality of sub-pixels are located in the display area. The multiple data lead-out lines are located in the first bezel area and electrically connected with the plurality of data lines in the display area. The at least one first compensation unit is located in the first bezel area. At least one data lead-out line is electrically connected with the at least one first compensation unit, and the at least one first compensation unit is configured to compensate at least one of resistance and capacitance of a data line electrically connected with the at least one data lead-out line.

公开(公告)号：US20240125648A1

公开(公告)日：2024-04-18

申请号：US17927109

申请日：2021-11-26

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Xinshe YIN ,  Hui ZHAO ,  Xinbin HAN

IPC: G01J1/46

CPC classification number: G01J1/46 ,  G01J2001/446

Abstract: A light detection module, a light detection method and a display device are provided. The light detection module includes N light sensing circuits, a control circuit, a capacitance integrating conversion circuit, and a processing circuit; N is a positive integer; wherein the N light sensing circuits respectively sense light signals of different colors to generate corresponding photocurrents; the control circuit is configured to control to provide photocurrents generated by the light sensing circuits to a capacitance integrating amplifying circuit in a time division manner, and to control a conversion parameter of the capacitance integrating amplifying circuit; the capacitance integrating conversion circuit is configured to perform integrating conversion on the photocurrent according to the conversion parameter and an integration time, to obtain an analog output voltage; the processing circuit is configured to obtain characteristics of the light signal according to the analog output voltage. In the present disclosure, the current integration method is adopted by the capacitance integration conversion circuit, and the photocurrent is converted according to the integration time, so that the number and area of the photodiodes connected in parallel in the light sensing circuit can be reduced by increasing the integration time, the space and cost are reduced.

公开(公告)号：US20240242655A1

公开(公告)日：2024-07-18

申请号：US18015084

申请日：2022-01-04

Applicant: BOE Technology Group Co., Ltd.

Inventor： Baoyun WU ,  Xiyu ZHAO ,  Hui ZHAO ,  Xinbin HAN ,  Yao LIANG ,  Kaimin WANG

IPC: G09G3/20

CPC classification number: G09G3/2074 ,  G09G2300/0861 ,  G09G2320/0233 ,  G09G2320/0247 ,  G09G2320/0673 ,  G09G2330/021

Abstract: A control method of a display panel. The method includes the following steps: determining a target refresh frequency of the display panel; determining a data chopping rule adapted to the target refresh frequency according to the first mapping relationship; providing a data signal to the display panel according to a data chopping rule.

公开(公告)号：US20240212606A1

公开(公告)日：2024-06-27

申请号：US17915107

申请日：2021-11-25

Applicant: BOE Technology Group Co., Ltd.

Inventor： Baoyun WU ,  Xinbin HAN ,  Xiyu ZHAO ,  Hui ZHAO ,  Kaimin WANG

IPC: G09G3/3233

CPC classification number: G09G3/3233 ,  G09G2310/027 ,  G09G2310/061 ,  G09G2310/08

Abstract: A control method for a display panel includes: converting gray data of a display picture into a gray voltage at a first refresh frequency; calculating an average gray voltage of the display picture according to the gray voltage of the display picture; determining, according to the average gray voltage of the display picture, a display parameter matched with the display picture; and outputting a control signal of the display picture to the display panel, according to the display parameter matched with the display picture. The control signal includes at least one of the followings: a data keep signal, and an anode reset signal of a light emitting element of the display panel.

公开(公告)号：US20210210015A1

公开(公告)日：2021-07-08

申请号：US16064612

申请日：2018-01-10

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Xinbin HAN ,  Xin WANG

IPC: G09G3/3258

Abstract: A display device, a power supply circuit and a power supply method are provided. The power supply circuit includes a control sub-circuit and a delay sub-circuit. The control sub-circuit is configured to provide a first preset voltage and a second preset voltage and output the first preset voltage to a first power supply terminal; and delay sub-circuit is configured to delay the second preset voltage and output the delayed second preset voltage to a second power supply terminal.

公开(公告)号：US20240290233A1

公开(公告)日：2024-08-29

申请号：US18573754

申请日：2021-06-25

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Xinshe YIN ,  Hualing YANG ,  Xinbin HAN ,  Guangliang SHANG ,  Jianchao ZHU

IPC: G09G3/00 ,  G01R19/25 ,  G09G3/3233

CPC classification number: G09G3/006 ,  G01R19/2509 ,  G09G3/3233 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2320/0233

Abstract: A control method and a control device for a current detection apparatus are provided, which are used to improve the accuracy of current detected by the current detection apparatus. A sensing control switch is controlled to be in an on state at a first time point before an integration operation is performed on the detection line; a current detection circuit is controlled to start the integration operation on a current of a detection line at the integration start time point to obtain an integrated voltage signal corresponding to the detection line; multiple samplings are performed on the integrated voltage signal, and an output voltage difference between different sampling points is determined; and the current of the detection line is determined based on the output voltage difference.

公开(公告)号：US20240263999A1

公开(公告)日：2024-08-08

申请号：US18005665

申请日：2021-11-25

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Xinshe YIN ,  Hui ZHAO ,  Xinbin HAN

IPC: G01J3/46 ,  H03F3/45

CPC classification number: G01J3/46 ,  H03F3/45475

Abstract: A light detection module, a light detection method and a display device are provided. The light detection module includes N light sensing circuits, a control circuit, a conversion circuits and a detection circuits; N being a positive integer; the N light sensing circuits respectively sense light signals of different colors to generate corresponding photocurrents; the control circuit is configured to control to provide the photocurrents generated by the light sensing circuits to the conversion circuit in a time division manner, and to control a transfer coefficient of the conversion circuit; the conversion circuit is configured to convert the photocurrent according to the transfer coefficient to obtain an analog output voltage; the detection circuit is configured to obtain characteristics of the light signal according to the analog output voltage.