公开(公告)号：US20230298531A1

公开(公告)日：2023-09-21

申请号：US18323476

申请日：2023-05-25

Applicant: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD. ,  BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Weiyun HUANG ,  Libin LIU ,  Chao ZENG ,  Yao HUANG ,  Meng LI ,  Yue LONG

IPC: G09G3/3266 ,  G09G3/00

CPC classification number: G09G3/3266 ,  G09G3/035 ,  G09G3/3233

Abstract: A display panel, a display device and a driving method are disclosed, the display panel includes a first display region and a second display region, the first display region includes rows of first pixel units, the second display region includes rows of second pixel units; the display panel further includes a first scan driving circuit for controlling the rows of first pixel units to emit light, and a second scan driving circuit for controlling the rows of second pixel units to emit light, and the driving method includes: providing a first start signal to the first scan driving circuit, and providing a second start signal to the second scan driving circuit; the second start signal and the first start signal are applied independently, respectively.

公开(公告)号：US20230200129A1

公开(公告)日：2023-06-22

申请号：US17764993

申请日：2021-05-28

Applicant: BOE Technology Group Co., Ltd.

Inventor： Can ZHENG ,  Li WANG ,  Long HAN ,  Jianchao ZHU ,  Libin LIU

IPC: H10K59/121 ,  H10K59/131 ,  H10K59/12 ,  H10K71/00 ,  H10K59/35

CPC classification number: H10K59/1213 ,  H10K59/1216 ,  H10K59/131 ,  H10K59/1201 ,  H10K71/00 ,  H10K59/353

Abstract: Disclosed are a display substrate and a preparation method thereof, and a display apparatus. The display substrate includes a substrate and a plurality of sub-pixels, at least one sub-pixel includes a pixel drive circuit and a light emitting device connected to the pixel drive circuit, the pixel drive circuit includes a plurality of transistors, wherein at least one transistor includes an active layer and two gate electrodes. The substrate is provided with a semiconductor layer and a plurality of conductive layers disposed on one side of the semiconductor layer away from the substrate, at least one conductive layer is provided with at least one electrode plate, and there is an overlapping region between an orthographic projection of the electrode plate on the substrate and an orthographic projection of the active layer between the two gate electrodes on the substrate.

公开(公告)号：US20230162646A1

公开(公告)日：2023-05-25

申请号：US17638836

申请日：2021-02-04

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Long HAN ,  Libin LIU ,  Lujiang HUANGFU

IPC: G09G3/20 ,  G09G3/3233

CPC classification number: G09G3/2074 ,  G09G3/3233 ,  G09G2300/0408 ,  G09G2300/0426 ,  G09G2300/0465 ,  G09G2300/0819 ,  G09G2310/08 ,  G09G2310/0202 ,  G09G2320/066

Abstract: The present disclosure relates to an array substrate and a display device. The array substrate includes a plurality of initialization signal lines and a plurality of connection lines. The initialization signal lines are arranged in a conductive layer, extend along a first direction and are arranged at intervals along a second direction, and are used to provide initialization signals to the sub-pixels. The connection lines are arranged in another conductive layer, extend along the second direction and are arranged at intervals along the first direction. Projections of at least one initialization signal line and at least one connection line on the base substrate intersect, and the at least one initialization signal line and the at least one connection line are connected through a via hole, so that the projections of the initialization signal lines and the connection lines on the substrate form a grid-like structure.

公开(公告)号：US20230140411A1

公开(公告)日：2023-05-04

申请号：US17905620

申请日：2021-08-12

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Guangliang SHANG ,  Jie ZHANG ,  Jiangnan LU ,  Mei LI ,  Libin LIU

IPC: G09G3/20

Abstract: A gate driving unit includes a first input node control circuit and a charge pump circuit; the first input node control circuit is configured to connect or disconnect the between an input terminal and the first input node under control of a clock signal provided by the clock signal terminal; the charge pump circuit is configured to control to convert a voltage signal of the first input node into a voltage signal of the first node under the control of an input clock signal provided by the input clock signal terminal when the voltage signal of the first input node is a first voltage signal, so that a polarity of the voltage signal of the first input is the same as a polarity of the voltage signal of the first input node, and an absolute value of the voltage value of the voltage signal of the first node is greater than an absolute value of a voltage value of the voltage signal of the first input node.

公开(公告)号：US20230052846A1

公开(公告)日：2023-02-16

申请号：US17785662

申请日：2021-08-11

Applicant: BOE Technology Group Co., Ltd.

Inventor： Can ZHENG ,  Lujiang HUANGFU ,  Libin LIU ,  Shiming SHI

IPC: G09G3/3233 ,  G09G3/3291 ,  G09G3/3266

Abstract: The present disclosure provides a pixel circuit, a pixel driving method, a display panel and a display device. The pixel circuit includes a light-emitting element, a driving circuitry, a first energy storage circuitry, a second energy storage circuitry, a data writing circuitry and a compensation circuitry. The data writing circuitry is configured to write a data voltage into a first end of the first energy storage circuitry under the control of a gate driving signal provided by a gate line. The compensation circuitry is configured to control a control end of the driving circuitry to be electrically coupled to a second end of the driving circuitry under the control of a compensation control signal. The driving circuitry is configured to generate a driving current for driving the light-emitting element under the control of a potential at its control end.

公开(公告)号：US20230021618A1

公开(公告)日：2023-01-26

申请号：US17953941

申请日：2022-09-27

Applicant: BOE Technology Group Co., Ltd.

Inventor： Jiangnan LU ,  Guangliang SHANG ,  Can ZHENG ,  Yu FENG ,  Libin LIU ,  Jie ZHANG ,  Mei LI

IPC: H01L27/32

Abstract: Provided is a display substrate, the display substrate is provided with a display area and a peripheral area around the display area, and includes: a source/drain layer, a planarization layer and an anode layer which are laminated in sequence, wherein in the peripheral area, the source/drain layer includes at least one pair of first signal lines including a signal line of a gate circuit and the anode layer includes a common power line provided with vent holes; and overlapping areas between two first signal lines in any pair of the first signal lines and a projection pattern of the vent hole are equal, the projection pattern of the vent hole being a pattern of an orthographic projection of the vent hole in the common power line onto the source/drain layer. A display panel and a display device are also provided.

公开(公告)号：US20220392970A1

公开(公告)日：2022-12-08

申请号：US17775064

申请日：2021-06-11

Applicant: BOE Technology Group Co., Ltd.

Inventor： Zebang GUO ,  Libin LIU

IPC: H01L27/32

Abstract: The present application discloses a display panel and a display device, belonging to the field of display technology. The display panel comprises: a first display substrate and a second display substrate, the resolution of the second display substrate being higher than the resolution of the first display substrate; and the second display substrate has a through recess, and the orthographic projection of the first display substrate on the second display substrate covers the area where the through recess is located. The first display substrate has good light transmittance; thus, when a photosensitive sensor such as a front camera and a light sensor is located on the side of the first display substrate away from a light emission surface and a photosensitive surface of the photosensitive sensor faces the first display substrate, the photosensitive sensor can collect ambient light passing through the first display substrate, so that the photosensitive sensor can be normally used. In this way, it can be ensured that the display panel is an integral display panel while ensuring normal usage of a photosensitive sensor, effectively improving the integrity of the display panel.

公开(公告)号：US20220384539A1

公开(公告)日：2022-12-01

申请号：US16957607

申请日：2019-07-31

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Libin LIU ,  Jie ZHANG ,  Hongli WANG

IPC: H01L27/32

Abstract: A display substrate and display device. The display substrate includes: a base substrate; a plurality of sub-pixel groups, arranged on the base substrate along a row direction and a column direction; and first spacers, second spacers, and third spacers, each of the plurality of sub-pixel groups includes a first sub-pixel, a second sub-pixel, and a third sub-pixel, in one row of sub-pixel groups, each of the first spacers is located between the first sub-pixel and the second sub-pixel which are adjacent to each other, each of the second spacers is located between the second sub-pixel and the third sub-pixel which are adjacent to each other, the third spacer is located between the third sub-pixel and the first sub-pixel which are adjacent to each other, and a number of the first spacers, a number of the second spacers, and a number of the third spacers are approximately equal.

公开(公告)号：US20220376025A1

公开(公告)日：2022-11-24

申请号：US17763835

申请日：2021-05-19

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Hao ZHANG ,  Libin LIU ,  Zhongji JIN

IPC: H01L27/32

Abstract: A display substrate has a screen area, the screen area includes at least one sensing area and a display area surrounding each sensing area, the sensing area includes a light-transmitting area and a routing area. The display substrate includes: a plurality of first gate lines, each of which includes a gate line main body part in the display area and a gate line connecting part; and a plurality of first data lines, each of which includes a data line main body part in the display area and a data line connecting part. For any one of the routing areas, the plurality of data line connecting parts are respectively in at least two metal layers insulated and spaced from each other, and/or, the plurality of gate line connecting parts are respectively arranged in at least two metal layers insulated and spaced from each other.

公开(公告)号：US20220343841A1

公开(公告)日：2022-10-27

申请号：US17762330

申请日：2021-04-15

Applicant: BOE Technology Group Co., Ltd.

Inventor： Guangliang SHANG ,  Libin LIU ,  Tian DONG ,  Jiangnan LU ,  Shiming SHI

IPC: G09G3/3225 ,  G11C19/28

Abstract: The present disclosure provides a signal generation circuit, a signal generation method, a signal generation module and a display device. The signal generating circuit includes an input terminal, a signal output terminal, a transmission control circuit, a first output circuit, and an output control circuit; the output control circuit is electrically connected to a first output control terminal, a second output control terminal, a second voltage terminal, the signal writing-in terminal, the signal output terminal and the first voltage terminal, configured to control to connect the signal writing-in terminal and the second voltage terminal under the control of a second output control signal provided by the second output control terminal, and control to connect the signal output terminal and the first voltage terminal under the control of a first output control signal provided by the first output control terminal. The present disclosure expands an adjustment range of frequency of a PWM signal.