公开(公告)号：US20200319023A1

公开(公告)日：2020-10-08

申请号：US16098302

申请日：2018-03-13

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Zhanjie MA

IPC: G01J1/46 ,  H01L27/146

Abstract: A photosensitive circuit, a driving method thereof and an electronic device are disclosed. The photosensitive circuit includes a photosensitive element and a signal acquisition circuit. The photosensitive element is configured to be able to generate a photosensitive voltage signal by changing threshold characteristic of the photosensitive element according to intensity of light incident into the photosensitive element; and the signal acquisition circuit configured to convert the photosensitive voltage signal into a photosensitive current signal.

公开(公告)号：US20180090071A1

公开(公告)日：2018-03-29

申请号：US15520210

申请日：2016-09-30

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Zhanjie MA

IPC: G09G3/3258 ,  G09G3/3233 ,  H01L51/52 ,  H01L51/50

CPC classification number: G09G3/3258 ,  G09G3/3233 ,  G09G2300/0814 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2300/0861 ,  G09G2300/0866 ,  G09G2320/045 ,  H01L51/5036 ,  H01L51/5203

Abstract: A pixel circuit, a driving method, an organic electroluminescent display panel, and a display device, the pixel circuit includes a light emitting element, a driving control module, a resetting control module, a charging control module, a writing control module, and a light emitting control module; the resetting control module resets the first node and the light emitting element; the charging control module charges the second node through the light emitting control module and discharges the second node through the driving control module and the resetting control module; the writing control module writes a data signal to the second node; and the light emitting control module controls the driving control module to drive the light emitting element to emit light.

公开(公告)号：US20170192566A1

公开(公告)日：2017-07-06

申请号：US15214044

申请日：2016-07-19

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Zhanjie MA

IPC: G06F3/041 ,  H01L27/32 ,  H01L51/56 ,  H01L51/50 ,  H01L51/52

CPC classification number: H01L27/3262 ,  G06F3/044 ,  G06F2203/04103 ,  H01L27/323 ,  H01L27/3276 ,  H01L51/5237 ,  H01L2227/323

Abstract: The present disclosure provides an array substrate including a display region and a peripheral region. The display region comprises an anode, an organic material functional layer and a cathode that are arranged on a base substrate in sequence. The peripheral region includes a plurality of touch electrode leads that is insulated from each other, and each of the touch electrode leads includes a first touch electrode lead and a second touch electrode lead. The first touch electrode lead is arranged at a top position of the array substrate relative to an upper surface of the base substrate, and electrically connected to a corresponding touch electrode arranged on a packaging substrate. The second touch electrode lead is arranged at a position close to the base substrate. A thickness of the first touch electrode lead is greater than a thickness of the cathode.

公开(公告)号：US20170178572A1

公开(公告)日：2017-06-22

申请号：US15301751

申请日：2016-02-24

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Zhanjie MA ,  Tuo SUN

IPC: G09G3/3266 ,  G09G3/3225

CPC classification number: G09G3/3266 ,  G09G3/3225 ,  G09G3/3275 ,  G09G2300/043 ,  G09G2310/0262 ,  G09G2330/021 ,  G09G2330/023

Abstract: The present disclosure discloses a display driving method and device. The method includes comparing a preset voltage difference with a voltage difference between a first data voltage and a second data voltage, where the first data voltage is a data voltage corresponding to a current row of pixel circuits, and the second data voltage is a data voltage corresponding to a next row of pixel circuits, and based on a comparison result, controlling whether to input a reference voltage to at least one pixel circuit in the next row of pixel circuits after inputting the first data voltage to the current row of pixel circuits and before inputting the second data voltage to the next row of pixel circuits.

公开(公告)号：US20160253958A1

公开(公告)日：2016-09-01

申请号：US14443951

申请日：2014-09-24

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Zhanjie MA

IPC: G09G3/3225

CPC classification number: G09G3/3225 ,  G09G3/3233 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2300/0861 ,  G09G2310/0243

Abstract: A pixel circuit comprises: a reset unit, configured to input a reset voltage into the gate electrode of the driving transistor to reset the driving transistor; a writing unit, configured to write a data voltage into a second end of the storage capacitor and write a reference voltage into a second electrode of the driving transistor; a threshold voltage latching unit, configured to enable a connection between the gate electrode of the driving transistor and the first electrode of the driving transistor; a driving level latching unit, configured to latch a second driving level to the second end of the storage capacitor and a light-emitting control unit, configured to input the second driving level into the second electrode of the driving transistor, and compensate for the threshold voltage of the driving transistor and the second driving level by a gate-source voltage of the driving transistor.

Abstract translation: 像素电路包括：复位单元，被配置为将复位电压输入到驱动晶体管的栅电极中以复位驱动晶体管; 写入单元，被配置为将数据电压写入所述存储电容器的第二端，并将参考电压写入所述驱动晶体管的第二电极; 阈值电压锁存单元，被配置为使得驱动晶体管的栅电极和驱动晶体管的第一电极之间能够连接; 驱动电平锁存单元，配置为将第二驱动电平锁定到存储电容器的第二端;以及发光控制单元，被配置为将第二驱动电平输入到驱动晶体管的第二电极中，并补偿阈值 驱动晶体管的栅极 - 源极电压和第二驱动电平。

公开(公告)号：US20160180772A1

公开(公告)日：2016-06-23

申请号：US14436208

申请日：2014-08-27

Applicant: BOE Technology Group Co., Ltd.

Inventor： Zhanjie MA

IPC: G09G3/32

CPC classification number: G09G3/3258 ,  G09G3/3233 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2300/0861 ,  G09G2310/061 ,  G09G2310/08 ,  G09G2320/0223

Abstract: There are provided a pixel compensation circuit, an array substrate, and a display apparatus. The pixel compensation circuit comprises an organic light emitting diode (D1), a driving transistor (M1), first to fifth switch elements (M2-M6) and a storage capacitor (C1), wherein an anode of the organic light emitting diode (D1) is connected to a second terminal of the first switch element (M2); a first terminal of the first switch element (M2) is connected to an output terminal of the driving transistor (M1) and a first terminal of the fifth switch element (M6); a control terminal of the driving transistor (M1) is connected to a second terminal of the third switch element (M4), a second terminal of the fifth switch element (M6) and a first terminal of the storage capacitor (C1); and a second terminal of the storage capacitor (C1) is connected to a second terminal of the fourth switch element (M5) and a second terminal of the second switch element (M3). The pixel compensation circuit not only has a function of compensating for the threshold voltage offset, but also has the function of compensating for influence of signal voltage attenuation on current.

Abstract translation: 提供了像素补偿电路，阵列基板和显示装置。 像素补偿电路包括有机发光二极管（D1），驱动晶体管（M1），第一至第五开关元件（M2-M6）和存储电容器（C1），其中有机发光二极管（D1 ）连接到第一开关元件（M2）的第二端子; 第一开关元件（M2）的第一端子连接到驱动晶体管（M1）的输出端子和第五开关元件（M6）的第一端子; 驱动晶体管（M1）的控制端子连接到第三开关元件（M4）的第二端子，第五开关元件（M6）的第二端子和存储电容器（C1）的第一端子; 并且存储电容器（C1）的第二端子连接到第四开关元件（M5）的第二端子和第二开关元件（M3）的第二端子。 像素补偿电路不仅具有补偿阈值电压偏移的功能，而且具有补偿信号电压衰减对电流的影响的功能。

公开(公告)号：US20140118420A1

公开(公告)日：2014-05-01

申请号：US14063093

申请日：2013-10-25

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Zhanjie MA

IPC: G09G3/32

CPC classification number: G09G3/3233 ,  G09G2300/0819 ,  G09G2310/0251 ,  G09G2320/045 ,  G09G2320/0626

Abstract: Provided are a pixel circuit and a display apparatus. The pixel circuit comprises a charging sub-circuit, a driving sub-circuit and a light-emitting control sub-circuit; wherein the driving sub-circuit comprises a reference signal source, a driving transistor, a capacitor and a light-emitting device; the charging sub-circuit has a first terminal connected to a source of the driving transistor, a second terminal connected to a drain of the driving transistor, and a third terminal connected to a gate of the driving transistor and one terminal of the capacitor; the light-emitting control sub-circuit comprises a first terminal connected to an output terminal of the reference signal source and the other terminal of the capacitor, a second terminal connected to the source of the driving transistor, a third terminal connected to one terminal of the light-emitting device, and a fourth terminal connected to the drain of the driving transistor.

Abstract translation: 提供像素电路和显示装置。 像素电路包括充电子电路，驱动子电路和发光控制子电路; 其中所述驱动子电路包括参考信号源，驱动晶体管，电容器和发光器件; 所述充电子电路具有连接到所述驱动晶体管的源极的第一端子，连接到所述驱动晶体管的漏极的第二端子和连接到所述驱动晶体管的栅极和所述电容器的一个端子的第三端子; 所述发光控制子电路包括连接到所述参考信号源的输出端和所述电容的另一端的第一端子，连接到所述驱动晶体管的源极的第二端子，连接到所述驱动晶体管的源极的第三端子 所述发光器件以及连接到所述驱动晶体管的漏极的第四端子。

公开(公告)号：US20190130857A1

公开(公告)日：2019-05-02

申请号：US15759420

申请日：2017-09-04

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Zhanjie MA

IPC: G09G3/36 ,  G11C19/28

Abstract: A shift register includes an input circuit configured to control a voltage of a first and second node, a hold circuit configured to hold the voltage of the first and second nodes as well as an output voltage of the first and second output circuits, an output selection circuit configured to select the first and second outputs to output a scanning signal, a first output circuit configured to output a first output signal from a first output terminal based on the voltage of the first and third nodes, a second output circuit is configured to output a second output signal from a second output terminal based on the voltage of the first and fourth nodes, and a third output circuit configured to output a third output signal from a third output terminal based on a second clock signal and the voltage of the second node.

公开(公告)号：US20180233091A1

公开(公告)日：2018-08-16

申请号：US15552011

申请日：2017-02-22

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Zhanjie MA

IPC: G09G3/3291 ,  G11C19/28 ,  H05K1/18

Abstract: A drive circuit, a display panel, a display device and a drive method. The drive circuit includes a plurality of shift registers; a first switch circuit connected with the shift registers, which is configured to selectively output output signals the shift registers or a first voltage based on a first control signal and a second control signal; and a second switch circuit connected with the shift registers, which is configured to selectively output the output signals of the shift registers or the first voltage based on a third control signal and a fourth control signal. A set of shift registers can simultaneously or individually drive two display regions.

公开(公告)号：US20180226020A1

公开(公告)日：2018-08-09

申请号：US15571421

申请日：2017-06-12

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Zhiliang WANG ,  Zhanjie MA

IPC: G09G3/3225 ,  G09G3/3266 ,  G09G3/3275

CPC classification number: G09G3/3225 ,  G09G3/3266 ,  G09G3/3275 ,  G09G2300/0819 ,  G09G2310/0262 ,  G09G2320/0233 ,  G09G2320/045

Abstract: An electronic circuit for driving an electronic component is disclosed. The electronic circuit includes a drive subcircuit, a first subcircuit, a second subcircuit, a third subcircuit, a fourth subcircuit, and a fifth subcircuit. Under control of a data signal terminal, a scan signal terminal, a first control signal terminal, a second control signal terminal, a first power supply terminal, and a second power supply terminal, the drive subcircuit is configured to have a diode connection or a source-follow connection so as to maintain a substantially stable working current running through the electronic component. The electronic circuit can be a pixel circuit, and the electronic component can be a light-emitting component comprising an organic light-emitting diode (OLED). A display panel and a display apparatus containing the electronic circuit, as well as a method for driving the electronic circuit are also disclosed.