公开(公告)号：US09501973B2

公开(公告)日：2016-11-22

申请号：US14652343

申请日：2014-09-30

Applicant: BOE Technology Group Co., Ltd.

Inventor： Liang Sun ,  Ying Wang ,  Tuo Sun ,  Zhanjie Ma ,  Xinshe Yin ,  Lintao Zhang ,  Lujiang Huangfu

IPC: G09G3/3233 ,  G09G3/32

CPC classification number: G09G3/3233 ,  G09G3/3258 ,  G09G2300/0819 ,  G09G2300/0861 ,  G09G2310/0251 ,  G09G2320/0233 ,  G09G2320/0257 ,  G09G2320/043 ,  G09G2320/045 ,  G09G2320/0626

Abstract: A pixel driving circuit, array substrate and display apparatus, comprise: data line for providing data voltage; gate line for providing scanning voltage; first power supply line for providing first power supply voltage; second power supply line for providing second power supply voltage; light emitting device connected to second power supply line; driving transistor connected to first power supply line; storage capacitor having first terminal connected to gate of driving transistor and configured to transfer information to gate of driving transistor; resetting unit configured to reset voltage across storage capacitor as predetermined signal voltage; data writing unit configured to write information into second terminal of storage capacitor; compensating unit configured to write information into first terminal of storage capacitor; and light emitting control unit configured to write first power supply voltage into second terminal of storage capacitor and control driving transistor to drive light emitting device to emit light.

Abstract translation: 像素驱动电路，阵列基板和显示装置包括：用于提供数据电压的数据线; 提供扫描电压的栅极线; 第一电源线，用于提供第一电源电压; 用于提供第二电源电压的第二电源线; 发光装置连接到第二电源线; 驱动晶体管连接到第一电源线; 存储电容器，其第一端子连接到驱动晶体管的栅极并且被配置为将信息传送到驱动晶体管的栅极; 复位单元，被配置为将存储电容器两端的电压复位为预定的信号电压; 数据写入单元，被配置为将信息写入存储电容器的第二端; 补偿单元，被配置为将信息写入存储电容器的第一端子; 以及发光控制单元，被配置为将第一电源电压写入存储电容器的第二端子，并且控制驱动晶体管以驱动发光器件发光。

公开(公告)号：US12236883B2

公开(公告)日：2025-02-25

申请号：US18566530

申请日：2021-06-25

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Xinshe Yin ,  Guangliang Shang ,  Hualing Yang ,  Xinbin Han ,  Jianchao Zhu

IPC: G09G3/3241

Abstract: A current detection device for detecting a current on the sense line, and compensating for a grayscale of a pixel in accordance with a difference in the detected currents, so as to provide the pixels with uniform brightness. An integration operation is performed on a sense line through an integration sub-circuitry to obtain an output voltage, and the current on the sense line is determined in accordance with the output voltage.

公开(公告)号：US12027085B2

公开(公告)日：2024-07-02

申请号：US18015394

申请日：2021-11-18

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Xinbin Han ,  Xinshe Yin

IPC: G09G3/20 ,  G09G3/00 ,  G09G3/3208 ,  G09G3/3233 ,  G09G3/3291

CPC classification number: G09G3/006 ,  G09G3/2092 ,  G09G3/3208 ,  G09G3/3233 ,  G09G3/3291 ,  G09G2310/0294 ,  G09G2310/08 ,  G09G2320/02 ,  G09G2320/0233 ,  G09G2320/0295 ,  G09G2320/045

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：US11967285B2

公开(公告)日：2024-04-23

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 ,  G09G2300/0452 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2320/045 ,  G09G2320/0626 ,  G09G2330/028

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：US11915655B2

公开(公告)日：2024-02-27

申请号：US17631780

申请日：2021-03-05

Applicant: BOE Technology Group Co., Ltd.

Inventor： Jiangnan Lu ,  Guangliang Shang ,  Xinshe Yin ,  Libin Liu ,  Ke Feng

IPC: G09G3/3266 ,  G11C19/28

CPC classification number: G09G3/3266 ,  G11C19/28 ,  G09G2300/0408 ,  G09G2310/0286

Abstract: A shift register unit, a method for driving a shift register unit, a gate driving circuit, and a display device are provided. The shift register unit includes: an input control circuit, configured to control a level of the first node; a first control circuit, configured to control a level of the second node; a second control circuit, configured to control the level of the second node under control of a fourth clock signal and an output signal; an output circuit, configured to control a level of the output terminal under control of the level of the first node and the level of the second node; and a first reset circuit, configured to control the level of the output terminal under control of the first enable signal, so as to allow the output terminal to stably output a non-operating level during a detection phase.

公开(公告)号：US20230162685A1

公开(公告)日：2023-05-25

申请号：US17631780

申请日：2021-03-05

Applicant: BOE Technology Group Co., Ltd.

Inventor： Jiangnan Lu ,  Guangliang Shang ,  Xinshe Yin ,  Libin Liu ,  Ke Feng

IPC: G09G3/3266 ,  G11C19/28

CPC classification number: G09G3/3266 ,  G11C19/28 ,  G09G2310/0286 ,  G09G2300/0408

Abstract: A shift register unit, a method for driving a shift register unit, a gate driving circuit, and a display device are provided. The shift register unit includes: an input control circuit, configured to control a level of the first node; a first control circuit, configured to control a level of the second node; a second control circuit, configured to control the level of the second node under control of a fourth clock signal and an output signal; an output circuit, configured to control a level of the output terminal under control of the level of the first node and the level of the second node; and a first reset circuit, configured to control the level of the output terminal under control of the first enable signal, so as to allow the output terminal to stably output a non-operating level during a detection phase.

公开(公告)号：US11605341B2

公开(公告)日：2023-03-14

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：US11302761B2

公开(公告)日：2022-04-12

申请号：US16631002

申请日：2019-07-25

Applicant: BOE Technology Group Co., Ltd.

Inventor： Xueyan Tian ,  Caiyu Qu ,  Zheng Liu ,  Xinshe Yin

IPC: H01L27/32 ,  H01L21/02 ,  H01L29/06

Abstract: In an embodiment, there is provided a display substrate assembly. The display substrate assembly includes: a base substrate; a light-shielding layer on the base substrate, the light-shielding layer having a plurality of light-shielding elements; and a plurality of polysilicon layers respectively on sides of the plurality of light-shielding elements away from the base substrate; wherein the plurality of light-shielding elements have different sizes such that energy lights reflected and/or refracted through the plurality of light-shielding elements of different sizes respectively generate different thermal energy distributions on the plurality of polysilicon layers corresponding to the plurality of light-shielding elements, causing the plurality of polysilicon layers to have different crystal forms. Meanwhile, a method of manufacturing the display substrate assembly and a display apparatus including the aforementioned display substrate assembly are also provided.

公开(公告)号：US11282452B2

公开(公告)日：2022-03-22

申请号：US16611290

申请日：2019-03-28

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Xinshe Yin

IPC: G09G3/3233 ,  G09G3/36

Abstract: Embodiments of the present disclosure provide a pixel circuitry. The pixel circuitry includes a data write-in circuit, an initialization circuit, a sense circuit, a first capacitor, a second capacitor, a drive transistor, and a data signal supply circuit. The data write-in circuit supplies a data signal to a first node according to a first control signal. The initialization circuit supplies an initialization signal to a sense line according to a second control signal. The sense circuit couples a second node to the sense line according to the first control signal. The data signal supply circuit reads the voltage of the sense line according to a third control signal, determines a threshold voltage of the drive transistor according to the read voltage, and corrects an original data signal according to the threshold voltage to supply the corrected original data signal to the data line.

公开(公告)号：US11282451B2

公开(公告)日：2022-03-22

申请号：US16345146

申请日：2018-10-26

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Xinshe Yin

IPC: G09G3/3233 ,  G09G3/3291

Abstract: Embodiments of the present disclosure provide a pixel driving circuit. The pixel driving circuit includes a reset circuit, a compensation and data-in circuit, a drive transistor, and a light-emitting control circuit. The reset circuit is configured to reset a voltage of a control electrode of the drive transistor according to a first and third control signals. The compensation and data-in circuit is configured to receive a reference signal from the data line according to the first control signal, receive a data signal from the data line according to a second control signal, and apply a compensation voltage to the control electrode of the drive transistor based on the reference signal, the data signal, and a voltage of the first voltage terminal. The light-emitting control circuit is configured to control the light-emitting device to emit light according to a third control signal.