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    Drive circuit and drive method thereof, display substrate and drive method thereof, and display device
    31.
    发明授权
    Drive circuit and drive method thereof, display substrate and drive method thereof, and display device 有权

    公开(公告)号：US10109234B2

    公开(公告)日：2018-10-23

    申请号：US15511748

    申请日：2016-04-07

    Applicant: BOE Technology Group Co., Ltd.

    Inventor： Tuo Sun ,  Zhanjie Ma

    IPC: G09G3/3233 ,  G09G3/3275

    Abstract: Embodiments of the present disclosure provide a drive circuit and a drive method thereof, a display substrate and a drive method thereof, and a display device. The drive circuit comprises a conversion unit provided with a first input terminal, a second input terminal, a third input terminal, a fourth input terminal, and an output terminal, wherein the fourth input terminal is connected to a direct current power source, and wherein the output terminal is connected to a pixel circuit. The first input terminal is configured to input a voltage signal, the second input terminal is configured to input a first drive signal, the third input terminal is configured to input a second drive signal, and the output terminal is configured to output a current signal. The conversion unit converts the voltage signal output from the source drive unit into the current signal and the pixel circuit is driven by the current signal.

    Display Driving Circuit, Array Substrate, Circuit Driving Method, and Display Device
    32.
    发明申请
    Display Driving Circuit, Array Substrate, Circuit Driving Method, and Display Device 审中-公开

    公开(公告)号：US20180061318A1

    公开(公告)日：2018-03-01

    申请号：US15508299

    申请日：2016-07-04

    Applicant: BOE Technology Group Co., Ltd.

    Inventor： Xinshe Yin ,  Tuo Sun

    IPC: G09G3/3241 ,  G09G3/3275 ,  H05B33/08 ,  H05B33/14 ,  H01L21/84 ,  H01L27/32

    CPC classification number: G09G3/3241 ,  G09G3/3233 ,  G09G3/3275 ,  G09G2300/0842 ,  G09G2310/0251 ,  G09G2320/043 ,  H01L21/84 ,  H01L27/32 ,  H05B33/08 ,  H05B33/14

    Abstract: The embodiments of this disclosure provide a display driving circuit, an array substrate, a circuit driving method, and a display device. The array substrate comprises a plurality of rows of scan lines, a plurality of columns of data lines, and a plurality of pixel units being defined by intersecting of the plurality of rows of scan lines and the plurality of columns of data lines; each column of data lines being connected to a reset module; each column of data lines being further connected to a current control module configured to form a first current flowing from a data line connected thereto to a reference voltage line; a first transistor, a second transistor, a first capacitor, and a connection enable module are disposed within each of the pixel units, gates of the first transistor and the second transistor are both connected to a first node, and first electrodes of the first transistor and the second transistor are both connected to a preset-level voltage line; the connection enable module is connected to one scan line corresponding to a pertained pixel unit; the first capacitor is connected between the first node and the preset-level voltage line; and a second electrode of the second transistor is connected to the output terminal of the pertained pixel unit. This disclosure can reduce the number of transistors within the pixel unit and the number of signal lines in the row direction, simplify circuit structure and circuit timing.

    Shift register and driving method thereof, shift scanning circuit and display apparatus
    35.
    发明授权
    Shift register and driving method thereof, shift scanning circuit and display apparatus 有权
    移位寄存器及其驱动方法，移位扫描电路和显示装置

    公开(公告)号：US09530355B2

    公开(公告)日：2016-12-27

    申请号：US14888776

    申请日：2015-05-15

    Applicant: BOE TECHNOLOGY GROUP CO., LTD.

    Inventor： Tuo Sun

    IPC: G09G3/32 ,  G11C19/28

    CPC classification number: G09G3/3266 ,  G09G3/3225 ,  G09G2300/0417 ,  G09G2300/0871 ,  G09G2310/0286 ,  G09G2310/08 ,  G11C19/184 ,  G11C19/28

    Abstract: Provided are a shift register and a driving method thereof, a shift scanning circuit, and a display apparatus. The shift register comprises an input switch unit, an inverting unit, an output switch unit, and a first node voltage maintaining unit. The input switch unit has an output terminal (O) connected to a first node (N1). The first node voltage maintaining unit has a voltage stabilizing terminal connected to the first node (N1), and is adapted to record a level at the first node (N1) when the input switch unit is turned on, and to maintain the recorded level at an input terminal (I) of the inverting unit when the input switch unit is turned off. The inverting unit has an output terminal (O) connected to a second node (N2). The output switch unit has a control terminal (CON) connected to the second node (N2), and is turned on according to a state of a level at the second node. The shift register provided by the solution can adopt a PMOS structure to realize shifting positive-logic scanning signals and outputting positive-logic scanning signals, so that the PMOS structure can be used for the scan driving of the LTPS AMOLED.

    Abstract translation: 提供了移位寄存器及其驱动方法，移位扫描电路和显示装置。 移位寄存器包括输入开关单元，反相单元，输出开关单元和第一节点电压保持单元。 输入开关单元具有连接到第一节点（N1）的输出端（O）。 第一节点电压保持单元具有连接到第一节点（N1）的稳压端子，并且适于在输入开关单元接通时记录第一节点（N1）处的电平，并将记录电平保持在 当输入开关单元关闭时，反相单元的输入端（I）。 反相单元具有连接到第二节点（N2）的输出端（O）。 输出开关单元具有连接到第二节点（N2）的控制端（CON），并且根据第二节点处的电平状态而导通。 解决方案提供的移位寄存器可以采用PMOS结构来实现正逻辑扫描信号的移位和输出正逻辑扫描信号，从而可以将PMOS结构用于LTPS AMOLED的扫描驱动。

    Pixel circuit, display substrate and display device
    36.
    发明授权
    Pixel circuit, display substrate and display device 有权
    像素电路，显示基板和显示装置

    公开(公告)号：US09508286B2

    公开(公告)日：2016-11-29

    申请号：US14445213

    申请日：2014-07-29

    Applicant: BOE TECHNOLOGY GROUP CO., LTD.

    Inventor： Tuo Sun

    IPC: G09G3/32

    CPC classification number: G09G3/3233 ,  G09G2300/0852

    Abstract: The present invention provides a pixel circuit, a display substrate and a display device. The pixel circuit comprises a control section, a light emitting diode, a high-level input terminal, a low-level input terminal and a reference terminal, in which the control section comprises a driving thin film transistor, at least one capacitors and a plurality of switching thin film transistors. The reference terminal is connected with the low-level input terminal so as to discharge a capacitor which is connected with a gate of the driving thin film transistor in a pixel resetting stage of the pixel circuit.

    Abstract translation: 本发明提供一种像素电路，显示基板和显示装置。 像素电路包括控制部分，发光二极管，高电平输入端子，低电平输入端子和参考端子，其中控制部分包括驱动薄膜晶体管，至少一个电容器和多个 的开关薄膜晶体管。 参考端子与低电平输入端子连接，以在像素电路的像素复位级中放电与驱动薄膜晶体管的栅极连接的电容器。

    Pixel Driving Circuit, Driving Method, Array Substrate and Display Apparatus
    37.
    发明申请
    Pixel Driving Circuit, Driving Method, Array Substrate and Display Apparatus 审中-公开
    像素驱动电路，驱动方法，阵列基板和显示装置

    公开(公告)号：US20160253959A1

    公开(公告)日：2016-09-01

    申请号：US14648670

    申请日：2014-09-30

    Applicant: BOE TECHNOLOGY GROUP CO., LTD.

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

    IPC: G09G3/3225 ,  G09G3/20

    CPC classification number: G09G3/3225 ,  G09G3/2003 ,  G09G3/3233 ,  G09G2300/0819 ,  G09G2300/0861 ,  G09G2310/0251 ,  G09G2310/0262 ,  G09G2320/0223 ,  G09G2320/0233 ,  G09G2320/043 ,  G09G2330/028

    Abstract: There provide a pixel driving circuit and driving method thereof, an array substrate and display apparatus, wherein the pixel driving circuit comprises: a data line; a gate line; a first power supply line; a second power supply line; a light emitting device connected to the second power supply line; a driving transistor connected to the first power supply line; a storage capacitor having a first terminal connected to a gate of the driving transistor and configured to transfer information including the data voltage to the gate of the driving transistor; a resetting unit configured to reset a voltage across the storage capacitor as a predetermined signal voltage; a data writing unit configured to write information including the data voltage into the second terminal of the storage capacitor; a compensating unit configured to write information including a threshold voltage of the driving transistor and information of the first power supply voltage into the first terminal of the storage capacitor; and a light emitting control unit connected to the storage capacitor, the driving transistor and the light emitting device, and configured to control the driving transistor to drive the light emitting device to emit light.

    Abstract translation: 提供像素驱动电路及其驱动方法，阵列基板和显示装置，其中像素驱动电路包括：数据线; 一条门线 第一电源线; 第二电源线; 连接到第二电源线的发光器件; 连接到所述第一电源线的驱动晶体管; 存储电容器，其具有连接到所述驱动晶体管的栅极的第一端子，并且被配置为将包括所述数据电压的信息传送到所述驱动晶体管的栅极; 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，被配置为将包含数据电压的信息写入存储电容器的第二端子; 补偿单元，被配置为将包括驱动晶体管的阈值电压的信息和第一电源电压的信息写入到存储电容器的第一端子中; 以及发光控制单元，连接到存储电容器，驱动晶体管和发光器件，并且被配置为控制驱动晶体管驱动发光器件发光。

    Thin film transistor display baseplate, display panel and display apparatus
    39.
    发明授权
    Thin film transistor display baseplate, display panel and display apparatus 有权

    公开(公告)号：US12211425B2

    公开(公告)日：2025-01-28

    申请号：US17914221

    申请日：2021-08-26

    Applicant: Beijing BOE Technology Development Co., Ltd. ,  BOE Technology Group Co., Ltd.

    Inventor： Tuo Sun

    IPC: H01L27/12 ,  G09G3/00 ,  G09G3/32 ,  H01L21/77

    Abstract: Display baseplates, display panels and display apparatuses are provided. A display baseplate includes a substrate, a polycrystalline silicon thin film transistor structure layer located on the substrate, an insulation layer located at a side of the polycrystalline silicon thin film transistor structure layer away from the substrate, an oxide thin film transistor structure layer located at a side of the insulation layer away from the substrate, and a plurality of sub-pixels located on the substrate, at least one of the sub-pixels includes a light-emitting element and a pixel circuit for driving the light-emitting element and including a polycrystalline silicon active layer located on the polycrystalline silicon thin film transistor structure layer and an oxide semiconductor active layer located on the oxide thin film transistor structure layer; orthographic projections of both the polycrystalline silicon active layer and the oxide semiconductor active layer on the substrate are at least partially overlapped.

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