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：US20230154400A1

公开(公告)日：2023-05-18

申请号：US17424854

申请日：2021-01-26

Applicant: BOE Technology Group Co., Ltd.

Inventor： Xinshe YIN ,  Tian DONG

IPC: G09G3/3233

CPC classification number: G09G3/3233 ,  G09G2300/0842 ,  G09G2310/061 ,  G09G2320/0233

Abstract: A pixel circuitry, a method for driving the pixel circuitry, and a display device are provided. The pixel circuitry includes a driving circuit, a first switching circuit, a second switching circuit and a light-emitting element. The driving circuit includes a first transistor and a storage capacitor. A control end of the first transistor is electrically connected to the first switching circuit, a first end of the first transistor is electrically connected to a first voltage end, a second end of the first transistor is electrically connected to an anode of the light-emitting element, a third end of the first transistor is electrically connected to the second switching circuit, a first end of the storage capacitor is electrically connected to the first voltage end, and a second end of the storage capacitor is electrically connected to the control end of the first transistor.

公开(公告)号：US20220101788A1

公开(公告)日：2022-03-31

申请号：US17424478

申请日：2021-01-05

Applicant: BOE Technology Group Co., Ltd.

Inventor： Lujiang HUANGFU ,  Tian DONG ,  Libin LIU ,  Xinshe YIN

IPC: G09G3/3233 ,  G09G3/3266 ,  G09G3/3291

Abstract: The present disclosure provides a pixel circuit, a pixel driving method and a display device. The pixel circuit includes a driving circuit, an energy storage circuit and a switch control circuit. A first end of the energy storage circuit is coupled to a control end of the driving circuit, a second end of the energy storage circuit is coupled to a first end of the driving circuit via the switch control circuit, and the energy storage circuit is configured to store a voltage. The switch control circuit is configured to control the second end of the energy storage circuit to be electrically coupled to a voltage application end or the first end of the driving circuit under the control of a light-emission control signal from a light-emission control line. The driving circuit is configured to generate a driving current in accordance with a voltage between the control end and first end of the driving circuit.

公开(公告)号：US20220068198A1

公开(公告)日：2022-03-03

申请号：US17352272

申请日：2021-06-19

Applicant: BOE Technology Group Co., Ltd.

Inventor： Hualing YANG ,  Xinshe YIN

IPC: G09G3/325

Abstract: An array substrate comprising a plurality of pixel units and an external compensation circuit; wherein, for each pixel unit of the plurality of pixel units, the pixel unit comprises a detection switch device, and the pixel unit is connected to a corresponding input end of a multiplexer of the external compensation circuit through the detection switch device; the external compensation circuit is configured: to acquire first data in a case that the detection switch device is opened, the first data comprising noise data caused by a level jump of the multiplexer of the external compensation circuit; to acquire second data in a case that the detection switch device is closed, the second data comprising the noise data and electrical data of the pixel unit; and to obtain the electrical data according to the first data and the second data.

公开(公告)号：US20210241688A1

公开(公告)日：2021-08-05

申请号：US16649288

申请日：2019-03-29

Applicant: BOE Technology Group Co,, Ltd.

Inventor： Xinshe YIN

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

Abstract: The embodiments of the present disclosure provide a pixel compensation circuit, a display panel, a driving method and a display device. The pixel compensation circuit includes a light emitting component; a drive circuit configured to generate a drive current input to a first electrode of the light emitting component; and a light emission control circuit configured to provide a first power signal to a second electrode of the light emitting component in response to a first light emission control signal, and to provide a second power signal to the second electrode of the light emitting component in response to a second light emission control signal, wherein the first power signal and the second power signal have opposite levels.

公开(公告)号：US20210020090A1

公开(公告)日：2021-01-21

申请号：US16651816

申请日：2019-03-25

Applicant: BOE Technology Group Co., Ltd.

Inventor： Guangliang SHANG ,  Libin LIU ,  Can ZHENG ,  Yipeng CHEN ,  Xinshe YIN ,  Shiming SHI

IPC: G09G3/20 ,  G11C19/28

Abstract: Provided are a shift register and a driving method thereof, a gate driving circuit, and a display device. The shift register includes: an input circuit, configured to be coupled to an input signal end and a second clock signal end, respectively; a first transistor, where the first electrode of the first transistor is coupled to the output end of the input circuit, and the first transistor is a double-gate type transistor; the first gate of the first transistor is configured to be coupled to a first reference signal end, and the second gate of the first transistor is configured to be coupled to a first threshold control signal end; and an output circuit, configured to be coupled to a first clock signal end and a signal output end, respectively, where the control end of the output circuit is coupled to the second electrode of the first transistor.

公开(公告)号：US20190208086A1

公开(公告)日：2019-07-04

申请号：US16135394

申请日：2018-09-19

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Xinshe YIN

IPC: H04N1/60 ,  H04N9/67

CPC classification number: H04N1/6066 ,  H04N1/6008 ,  H04N9/67

Abstract: An image processing device and method for a display device are disclosed, and the image processing device includes a color gamut conversion unit; the color gamut conversion unit is configured to perform processing on an input signal inputted into the display device to allow a display operation according to a color gamut range of the display device to be converted into a display operation according to a color gamut range of the input signal when the display device displays the input signal.

公开(公告)号：US20190114967A1

公开(公告)日：2019-04-18

申请号：US16036119

申请日：2018-07-16

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Xinshe YIN

IPC: G09G3/3258 ,  H01L27/32 ,  G09G3/3233 ,  G09G3/3291

Abstract: The present disclosure provides a pixel driving circuit, a display device, and a driving method. The pixel driving circuit comprises a driving transistor, a light emitting element, a first capacitor, a second capacitor, a write circuit, and a first switch transistor. The write circuit is configured to write a reference level to a second terminal of the first capacitor during a vertical blanking stage, and write a data level to a second terminal of the second capacitor during a effective display stage. The first switch transistor is configured to write a voltage of a first voltage terminal and a threshold voltage of the driving transistor to a first terminal of the first capacitor during the vertical blanking stage and is turned off during the effective display stage.

公开(公告)号：US20230351970A1

公开(公告)日：2023-11-02

申请号：US17636898

申请日：2021-03-24

Applicant: BOE Technology Group Co., Ltd.

Inventor： Jiangnan LU ,  Guangliang SHANG ,  Libin LIU ,  Li WANG ,  Xinshe YIN ,  Shiming SHI

IPC: G09G3/3266

CPC classification number: G09G3/3266 ,  G09G2310/0286 ,  G11C19/28

Abstract: Provided is a display substrate including a display region and a non-display region. The non-display region is provided with a gate drive circuit, and the gate drive circuit includes a plurality of cascaded shift register units; a shift register unit includes an input sub-circuit and a denoising output sub-circuit. The denoising output sub-circuit is connected with the input sub-circuit, a first group of clock signal lines, and a second group of clock signal lines, and the input sub-circuit is connected with a third group of clock signal lines. The third group of clock signal lines, the input sub-circuit, the first group of clock signal lines, the denoising output sub-circuit, and the second group of clock signal lines are sequentially arranged along a first direction.

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.