公开(公告)号：US20220336566A1

公开(公告)日：2022-10-20

申请号：US17762975

申请日：2021-04-15

Applicant: BOE Technology Group Co., Ltd.

Inventor： Yipeng CHEN ,  Lujiang HUANGFU ,  Libin LIU

IPC: H01L27/32 ,  H01L51/56 ,  G09G3/3225

Abstract: The present disclosure provides a display panel, a method of manufacturing the same, and a display device. The initialization signal line layer in the display panel includes an initialization signal line pattern arranged in each of the plurality of sub-pixel areas; the first auxiliary signal line layer includes a plurality of first auxiliary signal line patterns corresponding to the plurality of sub-pixel areas in a one-to-one manner, and the first auxiliary signal line pattern is coupled to an initialization signal line pattern in a corresponding sub-pixel area, at least part of the first auxiliary signal line pattern extends along the first direction, and first auxiliary signal line patterns corresponding to sub-pixel areas in a same row of sub-pixel areas are sequentially coupled.

公开(公告)号：US20220277693A1

公开(公告)日：2022-09-01

申请号：US17744709

申请日：2022-05-15

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Yipeng CHEN ,  Libin LIU ,  Lujiang HUANGFU

IPC: G09G3/3258 ,  G09G3/20 ,  G09G3/3291

Abstract: The present disclosure provides a pixel circuit including: a driving transistor and a voltage control circuit; wherein in the voltage control circuit, at least one transistor directly coupled to a gate of the driving transistor is an oxide thin film transistor. The disclosure also provides a display substrate and a display apparatus.

公开(公告)号：US20220149138A1

公开(公告)日：2022-05-12

申请号：US17427076

申请日：2020-11-13

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: An organic light-emitting diode display substrate, a display panel and a display device. The display substrate includes a source/drain layer (101), a planarization layer (102) and an anode layer (103) which are laminated in sequence; the source/drain layer (101) comprises at least one pair of first signal lines (110); the anode layer (103) comprises a common power line (130), and the common power line (130) is provided with an air discharge hole (131); and the overlapping areas of a projection pattern of the air discharge hole (131) and two first signal lines (110) in any pair of first signal lines (110) are equal, the overlapping areas are greater than 0, and the projection pattern of the air discharge hole (131) is a pattern of an orthographic projection, on the source/drain layer (101), of the air discharge hole (131) on the common power line (130). The overlapping areas of the common power line (130) and the two first signal lines (110) in the pair of first signal lines (110) are equal, so that the parasitic capacitances between the common power line (130) and the two first signal lines (110) in the pair of first signal lines (110) are the same in magnitude, and so that signals transmitted by the pair of first signal lines (110) match each other, ensuring the uniformity of a display screen.

公开(公告)号：US20220093045A1

公开(公告)日：2022-03-24

申请号：US17244977

申请日：2021-04-30

Applicant: BOE Technology Group Co., Ltd.

Inventor： Lujiang HUANGFU ,  Li WANG ,  Libin LIU

IPC: G09G3/3258 ,  G09G3/3291

Abstract: A pixel circuit, a display panel, and a display device. A pixel circuit includes a potential compensation subcircuit configured to control a junction voltage of a light emitting element to be within a preset voltage range according to an initial voltage input by an initialization reset voltage terminal and a reset sequence input by a reset sequence signal terminal. The preset voltage range is higher than zero and lower than an emission threshold voltage of the light emitting element.

公开(公告)号：US20210365657A1

公开(公告)日：2021-11-25

申请号：US16607341

申请日：2019-02-18

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Libin LIU ,  Hao ZHANG ,  Shuai ZHANG

IPC: G06K9/00 ,  H01L27/146

Abstract: A fingerprint recognition substrate, a fingerprint recognition apparatus, a manufacturing method thereof, a fingerprint recognition method, and a display device are provided. The fingerprint recognition substrate includes a base substrate including a plurality of pixel regions and a region between the plurality of pixel regions, a first electrode in the plurality of pixel regions, a light emitting layer at least in the plurality of pixel regions, and a second electrode at least in the plurality of pixel regions, and at least a plurality of light transmission holes penetrating the first electrode. At least one light transmission hole is in the region between the plurality of pixel regions, and the plurality of light transmission holes are configured to be optically coupled to a photosensor.

公开(公告)号：US20210193043A1

公开(公告)日：2021-06-24

申请号：US17016668

申请日：2020-09-10

Applicant: BOE Technology Group Co., Ltd.

Inventor： Libin LIU

IPC: G09G3/3258 ,  G09G3/3275 ,  H01L27/32

Abstract: The present disclosure provides a display substrate and a method for manufacturing the same, and a display device. In the display substrate, the pixel circuit includes a second capacitor, a first electrode of the second capacitor is formed by a connection portion of active layers of a second compensation transistor and a first compensation transistor, a second electrode of the second capacitor is located on a side, facing a base, of the active layer of the first compensation transistor, and the second electrode of the second capacitor is electrically coupled to the power line adjacent thereto through a via hole. The second capacitor with a relative large capacitance is provided to stabilize a voltage at a location where the first compensation transistor and the second compensation transistor are coupled during a light emitting stage.

公开(公告)号：US20200286426A1

公开(公告)日：2020-09-10

申请号：US16518350

申请日：2019-07-22

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Zhenzhen LI ,  Libin LIU ,  Li WANG

IPC: G09G3/3233 ,  H01L27/32

Abstract: A display panel and a driving method thereof, a display device. The display panel includes a common cathode, a first power terminal, a first wire and a first switch. The driving method includes: obtaining a total image current of a display image; and determining whether the total image current is greater than a first threshold current, if the total image current is greater than the first threshold current, controlling the first switch to disconnect the first wire, if the total image current is not greater than the first threshold current, controlling the first switch to connect the first wire, so that the second side of the common cathode is connected to the first power terminal through the first wire.

公开(公告)号：US20200098318A1

公开(公告)日：2020-03-26

申请号：US16619296

申请日：2018-12-04

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Libin LIU ,  Yu FENG ,  Ming Che HSIEH

IPC: G09G3/3258 ,  G09G3/3291

Abstract: A display screen, a display device, a display circuit used for the display screen and a brightness compensation method therefor. The display screen (10) includes a normal display area (11) and a transparent display area (12). The display circuit (20) includes: a first pixel circuit (21), wherein the first pixel circuit is arranged at the normal display area; and a second pixel circuit (22), wherein the second pixel circuit is arranged at the transparent display area. The structure of the first pixel circuit is different from that of the second pixel circuit, so that the light transmittance of the transparent display area is higher than the light transmittance of the normal display area.

公开(公告)号：US20200051494A1

公开(公告)日：2020-02-13

申请号：US16609255

申请日：2019-03-20

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Qiang WANG ,  Libin LIU

IPC: G09G3/32 ,  H01L27/32 ,  B06B1/06 ,  G06K9/00

Abstract: The present disclosure relates to the field of display technologies, and provides a display panel and a driving method thereof, and a display device. The display panel includes: an ultrasonic echo acquisition circuit and a light emitting circuit. The acquisition circuit includes a first circuit and an ultrasonic wave receiving sensor, wherein the first circuit has a first node coupled to the ultrasonic wave receiving sensor, a second node and a third node coupled to a scan signal terminal, a fourth node and a fifth node coupled to a control signal terminal, and a sixth node being an output terminal. The light emitting circuit includes a second circuit and a light emitting diode.

公开(公告)号：US20200043990A1

公开(公告)日：2020-02-06

申请号：US16600316

申请日：2019-10-11

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

Inventor： Lujiang HUANGFU ,  Libin LIU ,  Fengli JI ,  Xiaodan JIN ,  Yinan LIANG ,  Mei LI ,  Jie ZHANG ,  Chang LUO ,  Jianpeng WU ,  Hongli WANG

IPC: H01L27/32 ,  G09G3/3225 ,  G09G3/3233 ,  H01L51/52

Abstract: A pixel arrangement structure are provided, which includes a plurality of repeating units. Each of the plurality of repeating units includes two first sub-pixels, one second sub-pixel, and one third sub-pixel. Each of the first sub-pixel, the second sub-pixel and the third sub-pixel includes a pixel defining layer, the pixel defining layer includes a pixel defining layer opening to define an effective light emitting region of each sub-pixel; a plurality of first sub-pixels are arranged along the second direction to form a plurality of first sub-pixel groups, orthographic projections of pixel defining layer openings of the first sub-pixels in adjacent ones of the plurality of first sub-pixel groups on a straight line parallel to the second direction do not overlap each other.