公开(公告)号：US20240395201A1

公开(公告)日：2024-11-28

申请号：US18272811

申请日：2022-07-29

Applicant: Hefei BOE Joint Technology Co.,Ltd. ,  BOE Technology Group Co., Ltd.

Inventor： Zhidong YUAN ,  Yongqian LI ,  Can YUAN ,  Liu WU ,  Xiuting LIU ,  Luke DING ,  Cheng XU ,  Miao LIU ,  Xing YAO

IPC: G09G3/3233 ,  G11C19/28 ,  H10K59/131

Abstract: A display substrate and a display apparatus. The display substrate includes a display area provided with pixel circuits arranged in an array and a non-display area provided with M light emitting driving circuits, M control driving circuits and M reset driving circuits. Odd-numbered light emitting driving circuits are electrically connected with first and second light emitting clock signal lines, and even-numbered light emitting driving circuits are connected with third and fourth light emitting clock signal lines; and/or, odd-numbered control driving circuits are electrically connected with first and second control clock signal lines, and even-numbered control driving circuits are connected with third and fourth control clock signal lines; and/or, odd-numbered reset driving circuits are electrically connected with first and second reset clock signal lines, and even-numbered reset driving circuits are connected with third and fourth reset clock signal lines.

公开(公告)号：US20250095524A1

公开(公告)日：2025-03-20

申请号：US18557312

申请日：2022-10-27

Applicant: Hefei BOE Joint Technology Co.,Ltd. ,  BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Song MENG ,  Jian MAO ,  Cheng XU ,  Miao LIU ,  Xing YAO

IPC: G09G3/00 ,  G09G3/32 ,  G09G3/3266 ,  G09G3/3275

Abstract: A display module includes sub-pixels, data lines, a source driving circuit and a processor. Each sub-pixel includes light-emitting sub-units each including a pixel circuit and at least one light-emitting device. A data line is electrically connected to a sub-pixel. The source driving circuit is electrically connected to the data line. The source driving circuit is configured to output a first or second data signal to the sub-pixel through the data line. The processor is configured to: determine location information of a target sub-pixel; and control, according to the location information, the source driving circuit to output the second data signal to the target sub-pixel, so that a brightness of the target sub-pixel is substantially the same as that of a non-target sub-pixel.

公开(公告)号：US20250014520A1

公开(公告)日：2025-01-09

申请号：US18272595

申请日：2022-07-28

Applicant: Hefei BOE Joint Technology Co., Ltd. ,  BOE Technology Group Co., Ltd.

Inventor： Zhidong YUAN ,  Yongqian LI ,  Can YUAN ,  Liu WU ,  Luke DING ,  Cheng XU ,  Miao LIU ,  Xing YAO

IPC: G09G3/3266 ,  G11C19/28

Abstract: Provided is a gate driver circuit. The gate driver circuit is applicable to a display panel, wherein the display panel includes a plurality of rows of pixels; the gate driver circuit including at least one gate driver sub-circuit; wherein the gate driver sub-circuit includes: at least two shift register groups, wherein each shift register group includes a plurality of shift register units; at least two first dummy units, wherein the at least two first dummy units are respectively coupled to a same input enable terminal and the at least two shift register groups; and at least two second dummy units, wherein the at least two second dummy units are coupled to the at least two shift register groups.

公开(公告)号：US20250006134A1

公开(公告)日：2025-01-02

申请号：US18277375

申请日：2022-07-25

Applicant: Hefei BOE Joint Technology Co., Ltd. ,  BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Xuehuan FENG ,  Jingbo XU ,  Xing YAO ,  Miao LIU

IPC: G09G3/3266 ,  G11C19/28

Abstract: There is provided a shift register unit, including: a sensing control circuit configured to write an active level signal provided by a sensing active level supply terminal to a first sensing control node in response to an active level signal provided by the random signal input terminal and an active level signal provided by a sensing signal input terminal; a first sensing input circuit configured to write an active level signal to a first pull-up node in response to an active level signal at the first sensing control node and an active level signal provided by a clock control signal input terminal; and a first driving output circuit configured to write a signal provided by a first driving clock signal input terminal to a first driving signal output terminal in response to an active level signal at the first pull-up node. Gate driving circuit and method are further disclosed.

公开(公告)号：US20250124877A1

公开(公告)日：2025-04-17

申请号：US18578059

申请日：2023-04-28

Applicant: Hefei BOE Joint Technology Co., Ltd. ,  BOE TECHNOLOGY GROUP CO., LTD. ,  Beijing BOE Technology Development Co., Ltd.

Inventor： Xuehuan FENG ,  Yongqian LI ,  Xing YAO

IPC: G09G3/3266 ,  G11C19/28

Abstract: A shift register is provided and includes a display input reset circuit, an inverter circuit, at least one output circuit and a first detection circuit; the display input reset circuit, the inverter circuit and the output circuit are connected to a pull-up node; the inverter circuit and the at least one output circuit are connected to a pull-down node; the first detection circuit is connected to a signal acquisition point, an acquisition control terminal, and a first signal detection line, and configured to acquire a voltage at the signal acquisition point in response to a signal from the acquisition control terminal and output a detection voltage corresponding to the acquired voltage to the first signal detection line, an external first chip adjusts an active level voltage from the third power supply terminal according to the detection voltage; the signal acquisition point includes the pull-down node and/or a signal output terminal.

公开(公告)号：US20230025310A1

公开(公告)日：2023-01-26

申请号：US17780626

申请日：2021-07-21

Applicant: Hefei BOE Joint Technology Co., Ltd. ,  BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Xuehuan FENG ,  Xing YAO ,  Jingbo XU ,  Xuelian CHENG

IPC: G09G3/20 ,  G09G3/3266

Abstract: Provided is a method for driving a display device, including n rows of sub-pixels; the method includes: driving the first frame of image, including: performing normal display driving on the n rows of sub-pixels in a display driving period, performing darkness insertion driving on a rows, from the 1st to ath rows, of sub-pixels in a first darkness insertion sub-period, and performing darkness insertion driving on (n−a) rows, from the (a+1)th to nth rows, of sub-pixels in a second darkness insertion sub-period driving a second frame of image, including: performing normal display driving on the n rows of sub-pixels in a display driving period, performing darkness insertion driving on b rows, from the 1st to bth rows, of sub-pixels in a first darkness insertion sub-period, and performing darkness insertion driving on (n−b) rows, from the (b+1)th to nth rows, of sub-pixels in a second darkness insertion sub-period.

公开(公告)号：US20210358381A1

公开(公告)日：2021-11-18

申请号：US16336546

申请日：2018-08-14

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Zhichong WANG ,  Haoliang ZHENG ,  Seungwoo HAN ,  Guangliang SHANG ,  Lijun YUAN ,  Xing YAO ,  Mingfu HAN

IPC: G09G3/20

Abstract: Disclosed is a shift register unit, including a first input circuit, an input control circuit, a pull-down control circuit, a pull-down circuit, an output circuit and a second input circuit. The first input circuit includes a first input sub-circuit, and is configured to, under control of the first signal input terminal, cause a voltage of the first voltage terminal to be output to a second terminal of the first input sub-circuit and output to the pull-up node via a first terminal thereof. The input control circuit is configured to pull down a potential of the second terminal to the potential of a first power supply voltage terminal under control of an enable signal terminal.

公开(公告)号：US20210225312A1

公开(公告)日：2021-07-22

申请号：US16307060

申请日：2018-06-07

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Mingfu HAN ,  Guangliang SHANG ,  Seung Woo HAN ,  Xing YAO ,  Haoliang ZHENG ,  Lijun YUAN ,  Zhichong WANG

IPC: G09G3/36 ,  G11C19/28

Abstract: A shift register unit and a drive method thereof, a gate driving circuit and a display device are provided. The shift register unit includes an input circuit, a pull-up node reset circuit, an output circuit and a coupling circuit. The input circuit is configured to charge a pull-up node in response to an input signal; the pull-up node reset circuit is configured to reset the pull-up node in response to a reset signal; the output circuit is configured to output a first clock signal to a first output terminal under control of a level of the pull-up node; and the coupling circuit is configured to control, by coupling, a potential of the pull-up node in response to a second clock signal.

公开(公告)号：US20180350315A1

公开(公告)日：2018-12-06

申请号：US15513952

申请日：2016-02-29

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Yuanbo ZHANG ,  Seungwoo HAN ,  Xing YAO

IPC: G09G3/36

CPC classification number: G09G3/3677 ,  G09G3/36 ,  G09G2310/06 ,  G09G2330/021

Abstract: The present application relates to a gate drive unit circuit, comprising an input unit, an output unit, a pull-up node control unit, a pull-down node control unit and a pull-down unit. The input unit is used for transmitting a signal inputted by a first input signal terminal to a first node. The pull-up node control unit is used for transmitting a signal inputted by a first voltage terminal or a second voltage terminal to a pull-up node. The output unit is used for transmitting a signal inputted by a first control signal terminal to an output signal terminal. The pull-down node control unit is used for transmitting the input inputted by the first voltage terminal or the second voltage terminal to a pull-down node. The pull-down unit is used for transmitting a signal inputted by the second voltage terminal to the output signal terminal.

公开(公告)号：US20160274432A1

公开(公告)日：2016-09-22

申请号：US14409217

申请日：2014-06-30

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Xing YAO

IPC: G02F1/1362 ,  G02F1/1339 ,  H01L27/12 ,  G02F1/1368

CPC classification number: G02F1/136286 ,  G02F1/13394 ,  G02F1/136227 ,  G02F1/1368 ,  G02F2001/13629 ,  H01L27/124 ,  H01L27/1248

Abstract: An array substrate and a display device having the array substrate are provided. The array substrate comprises a display region and a non-display region disposed at the periphery of the display region. The non-display region comprises a gate driver region (GOA region), which comprises a first patterned metal layer formed on a base substrate, a first insulating layer formed on the first patterned metal layer, a second patterned metal layer formed on the first insulating layer, a second insulating layer covering the second patterned metal layer, and a third patterned metal layer formed at a side of the second insulating layer away from the base substrate. The third patterned metal layer comprises a plurality of metal wires insulated from each other and connected to the first patterned metal layer and the second patterned metal layer respectively by through holes and used as connecting lines between elements of the gate driver.

Abstract translation: 提供阵列基板和具有阵列基板的显示装置。 阵列基板包括设置在显示区域周边的显示区域和非显示区域。 非显示区域包括栅极驱动器区域（GOA区域），其包括形成在基底衬底上的第一图案化金属层，形成在第一图案化金属层上的第一绝缘层，形成在第一绝缘层上的第二图案化金属层 层，覆盖第二图案化金属层的第二绝缘层和形成在第二绝缘层的远离基底的一侧的第三图案化金属层。 第三图案化金属层包括彼此绝缘并且分别通过通孔连接到第一图案化金属层和第二图案化金属层的多个金属线，并且用作栅极驱动器的元件之间的连接线。