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：US20210327344A1

公开(公告)日：2021-10-21

申请号：US16327653

申请日：2018-08-24

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Tian DONG

IPC: G09G3/3233

Abstract: A pixel circuit and a driving method thereof, a display panel and a display device are provided. The pixel circuit includes a drive circuit, a first reset bias circuit, and a second reset bias circuit. A control terminal of the drive circuit is electrically connected to the first reset bias circuit, a first terminal of the drive circuit is electrically connected to the second reset bias circuit; the first reset bias circuit is further electrically connected to a first control terminal and a first bias voltage terminal; the second reset bias circuit is further electrically connected to a bias control terminal and a second bias voltage terminal; the first reset bias circuit and the second reset bias circuit are configured to control the drive circuit to be in a bias state during a reset phase.

公开(公告)号：US20200348787A1

公开(公告)日：2020-11-05

申请号：US16931713

申请日：2020-07-17

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Lingran WANG ,  Tian DONG ,  Shiming SHI

IPC: G06F3/041

Abstract: The present disclosure provides a flexible touch panel and a display device. The flexible touch panel includes a flexible substrate baseplate, and a touch electrode layer including a plurality of touch electrodes arranged on the flexible substrate baseplate. The flexible touch panel includes at least one bendable area, and at least one of the plurality of touch electrodes has a cutoff region within the bendable area to disconnect the touch electrode.

公开(公告)号：US20190377443A1

公开(公告)日：2019-12-12

申请号：US15745054

申请日：2017-08-04

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Tian DONG ,  Shiming SHI

IPC: G06F3/041 ,  H05K1/02 ,  H05K1/11

Abstract: The present disclosure provides a flexible touch panel and a display device. The flexible touch panel includes a flexible substrate baseplate and a flexible touch electrode pattern disposed on the flexible substrate baseplate, and a bendable area arranged on the flexible touch panel where the bendable area has at least one relatively fixed position, and at least part of the flexible touch electrode pattern is in the bendable area and has a cutoff region.

公开(公告)号：US20180219173A1

公开(公告)日：2018-08-02

申请号：US15544951

申请日：2017-02-22

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Tian DONG

IPC: H01L51/52 ,  H01L51/56 ,  H01L27/32 ,  H01L51/00

CPC classification number: H01L51/5221 ,  H01L27/3244 ,  H01L51/0021 ,  H01L51/5234 ,  H01L51/5253 ,  H01L51/56 ,  H01L2251/305

Abstract: The present disclosure provides an OLED device and a method for manufacturing the same, an array substrate and a display device. The OLED device includes an anode and a cathode and a light emitting functional layer interposed between the anode and the cathode, wherein a photoinduced electron film layer is formed on a side of the cathode away from the light emitting functional layer, the photoinduced electron film layer is able to generate photoinduced electrons, and the photoinduced electrons are transferable from the photoinduced electron film layer to the cathode.

公开(公告)号：US20230178046A1

公开(公告)日：2023-06-08

申请号：US17921082

申请日：2021-05-12

Applicant: BOE Technology Group Co., Ltd.

Inventor： Guangliang SHANG ,  Tian DONG ,  Shuo HUANG ,  Can ZHENG

IPC: G09G3/36

CPC classification number: G09G3/3674 ,  G09G2310/0286

Abstract: A driving method and device for a shift register. In a data refreshing phase, loading an input signal having a pulse level to an input signal end, loading a control clock pulse signal to a control clock signal end, loading a noise reduction clock pulse signal to a noise reduction clock signal end, controlling a cascade signal end of the shift register to output a cascade signal having a pulse level, and controlling a drive signal end of the shift register to output a drive signal having a pulse level; in a data holding phase, loading a fixed voltage signal to the input signal end, loading a first set signal to the control clock signal end, loading a second set signal to the noise reduction clock signal end, controlling the cascade signal end to output a fixed voltage signal having a second level.

公开(公告)号：US20230050569A1

公开(公告)日：2023-02-16

申请号：US17794400

申请日：2021-06-21

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Tian DONG ,  Bo WANG ,  Jingquan WANG

IPC: G09G3/3275

Abstract: A display panel includes a sub-pixel array, gate lines, first data lines, second data lines, a pixel control circuit and a time-division multiplexing circuit. The sub-pixel array includes a plurality of sub-pixels arranged in rows and columns. Sub-pixels in a same row are coupled to the pixel control circuit through at least one gate line. Sub-pixels located in odd-numbered rows in sub-pixels in a same column are coupled to a first data line, and sub-pixels located in even-numbered rows in the sub-pixels in the same column are coupled to a second data line. The time-division multiplexing circuit is coupled to the plurality of first data lines, the plurality of second data lines, and a data signal terminal. The time-division multiplexing circuit is configured to electrically connect the data signal terminal to the first data lines and the second data lines in a time-division manner.

公开(公告)号：US20220375408A1

公开(公告)日：2022-11-24

申请号：US17639245

申请日：2021-04-15

Applicant: BOE Technology Group Co., Ltd.

Inventor： Tian DONG

IPC: G09G3/3258

Abstract: The present disclosure provides a pixel driving circuit, a method of driving the same, and a display device. In the pixel driving circuit, under the control of a gate line, a data writing-in sub-circuit controls to connect or disconnect a data line and a first common node, and controls to connect or disconnect the first common node and a gate electrode of the driving transistor; under the control of a reset signal line, a first reset control sub-circuit controls to connect or disconnect a reference voltage input terminal and a second common node, and controls to connect or disconnect the second common node and the gate electrode of the driving transistor; a first end of a third capacitor unit is connected to the first common node and/or the second common node, and a second end of the third capacitor unit is connected to the first electrode of the driving transistor.

公开(公告)号：US20220343855A1

公开(公告)日：2022-10-27

申请号：US17433668

申请日：2021-02-24

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Guangliang SHANG ,  Tian DONG ,  Xinshe YIN ,  Mei LI ,  Libin LIU ,  Shiming SHI

IPC: G09G3/3266 ,  G11C19/28

Abstract: Provided are a gate driving circuit, a display substrate, a display device and a gate driving method, the gate driving circuit includes: a frequency doubling control circuit and an effective output circuit including first shift registers, the first shift register at the first stage has a first signal input terminal coupled with an output control signal line and a second signal input terminal coupled with the frequency doubling control circuit; the frequency doubling control circuit is coupled to the output control signal line, for providing a frequency doubling control signal thereto after a preset time period from the receipt of the output control signal in response to an output control signal from the output control signal line; the first shift register at the first stage outputs a scanning signal in response to the output control signal and a scanning signal in response to the frequency doubling control signal.

公开(公告)号：US20220327974A1

公开(公告)日：2022-10-13

申请号：US17415717

申请日：2020-12-29

Applicant: BOE Technology Group Co., Ltd.

Inventor： Tian DONG ,  Shiming SHI ,  Bo WANG ,  Jingquan WANG

IPC: G09G3/20

Abstract: Provided are a display panel, a drive method thereof and a display apparatus. The display panel includes M*N display units disposed in an array defined by intersections of (M+1) gate lines and N pairs of data lines, and each pair of data lines include a first data line and a second data line; in an mth display row, display units of odd display columns are connected to an mth gate line, and display units of even display columns are connected to an (m+1)th gate line; in an nth display column, display units of odd display rows are connected to first data lines of an nth pair of data lines, and display units of even display rows are connected to second data lines of the nth pair of data lines.