公开(公告)号：US20230169900A1

公开(公告)日：2023-06-01

申请号：US17615489

申请日：2021-02-03

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Long HAN ,  Pinfan WANG ,  Fangxu CAO ,  Wenqiang LI ,  Libin LIU

IPC: G09G3/00 ,  G09G3/3266 ,  G09G3/3233 ,  H10K59/131

CPC classification number: G09G3/035 ,  G09G3/3233 ,  G09G3/3266 ,  H10K59/131 ,  G09G2300/0408 ,  G09G2300/0426 ,  G09G2300/0439 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2300/0861 ,  G09G2310/0286 ,  G09G2320/0233

Abstract: A display substrate and a display device are disclosed. The display substrate includes: a a transition region, located between a first display region and a second display region, the first display region, the second display region and the transition region are provided with a plurality of pixels, the plurality of pixels are arranged in an array in the first direction and a second direction intersecting with the first direction, a pixel per inch (PPI) of the first display region is greater than a PPI of the second display region and a PPI of the transition region, the transition region is further provided with a row driving circuit, the row driving circuit is configured to drive the plurality of pixels in the first display region, the second display region and the transition region by rows.

公开(公告)号：US20230165069A1

公开(公告)日：2023-05-25

申请号：US17630908

申请日：2021-03-11

Applicant: BOE Technology Group Co., Ltd.

Inventor： Libin LIU ,  Jiangnan LU

IPC: H10K59/124 ,  G09G3/3233

CPC classification number: H10K59/124 ,  G09G3/3233 ,  G09G2300/0842 ,  G09G2300/0819 ,  G09G2300/0861 ,  G09G2310/08 ,  G09G2300/0426 ,  G09G2320/0233

Abstract: Embodiments of the present disclosure relate to the field of display technology, and in particular, to an array substrate, a display panel and a display device thereof. The array substrate includes a substrate and a plurality of sub-pixels on the substrate. Each sub-pixel includes a pixel circuit. The pixel circuit includes a plurality of transistors. The plurality of transistors includes at least one oxide transistor. The array substrate further includes: an oxide semiconductor layer on the substrate, the oxide semiconductor layer comprising a channel region of the oxide transistor; a first planarization layer on the substrate and covering at least a portion of the oxide semiconductor layer; a barrier part on the side of the first planarization layer away from the substrate.

公开(公告)号：US20230006009A1

公开(公告)日：2023-01-05

申请号：US17777652

申请日：2021-05-13

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Libin LIU ,  Shiming SHI

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

Abstract: A display panel includes: a base, a first electrode, a pixel definition layer and a first light-emitting functional layer. The first electrode is disposed on a side of the base; the pixel definition layer is disposed on the side of the base, and includes a first hollowed-out portion; the first hollowed-out portion includes a first opening and a second opening arranged oppositely, the first opening is closer to the base than the second opening, and the first opening exposes at least part of the first electrode; and the first light-emitting functional layer is disposed on sides of the pixel definition layer and the first electrode away from the base, and includes a second hollowed-out portion; an orthogonal projection of the second hollowed-out portion on the base is non-overlapping with an orthogonal projection of the first opening on the base.

公开(公告)号：US20220406878A1

公开(公告)日：2022-12-22

申请号：US17891211

申请日：2022-08-19

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Yipeng CHEN ,  Libin LIU ,  Yunfei LI

IPC: H01L27/32 ,  G09G3/3258

Abstract: Provided are a wiring structure of a pixel driving circuit, a display panel, and a display device. The wire layout includes: a first switching element, a second switching element and a driving transistor. A source electrode of the driving transistor is connected to a power signal line. The power signal line includes a first power signal line that is in a same direction as a data signal line, and the data signal line is arranged at a position of the first power signal line away from a gate 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：US20220336543A1

公开(公告)日：2022-10-20

申请号：US17853989

申请日：2022-06-30

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Libin LIU ,  Qian YANG ,  Hongli WANG ,  Lujiang HUANGFU

IPC: H01L27/32

Abstract: A display substrate and a display device. The display substrate includes a first sub-pixel (111), a second sub-pixel (112), and a first spacer (0101). A line connecting the center (C1) of the first sub-pixel (111) and the center (C2) of the second sub-pixel (112) is a center line (CL1); the center line (CL1) is not perpendicular to a first direction (X); the first direction (X) is at least one of the row direction or the column direction. The first spacer (0101) is disposed between the first sub-pixel (111) and the second sub-pixel (112), and the extension direction (E01) of first spacer (0101) between the first sub-pixel (111) and the second sub-pixel (112) is not perpendicular to the first direction (X). Therefore, the display substrate can improve the different viewing angle color cast and improve the display quality.

公开(公告)号：US20220336542A1

公开(公告)日：2022-10-20

申请号：US17762962

申请日：2021-04-15

Applicant: BOE Technology Group Co., Ltd.

Inventor： Yipeng CHEN ,  Lujiang HUANGFU ,  Libin LIU

IPC: H01L27/32 ,  G09G3/3233

Abstract: A display panel, a method of manufacturing the same, and a display device are provided. In the display panel, sub-pixel areas in a same row along a first direction are divided into a plurality of sub-pixel area groups independent from each other, and each sub-pixel area group includes at least two adjacent sub-pixel areas, a connection layer includes a connection pattern arranged in each sub-pixel area, and the connection pattern is coupled to the initialization signal line pattern in the sub-pixel area wherein the connection pattern is located, connection patterns located in a same sub-pixel area group are sequentially coupled along the first direction to form the connection portion; at least part of a first auxiliary signal line layer is located in an anode spacing area, and is insulated from an anode pattern, the connection pattern in each sub-pixel area group is coupled to the first auxiliary signal line layer.

公开(公告)号：US20220336500A1

公开(公告)日：2022-10-20

申请号：US17760988

申请日：2021-05-18

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Libin LIU ,  Can ZHENG ,  Shiming SHI

IPC: H01L27/12 ,  G06F3/041 ,  G06F3/044

Abstract: Embodiments of the present disclosure provide a display substrate, a touch display panel and a display panel. The display substrate has a display region and a pin region on a side of the display region. The display substrate includes: a base substrate;
and at least one first signal line and at least one second signal line both on a side of the base substrate and both extending to the display region from the pin region. The display substrate further includes a DC conductive structure connected to a constant DC voltage. The DC conductive structure is between the at least one first signal line and the at least one second signal line. Each of the at least one first signal line and the at least one second signal line is spaced apart from the DC conductive structure.

公开(公告)号：US20220181419A1

公开(公告)日：2022-06-09

申请号：US17599007

申请日：2021-02-25

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Yuhan QIAN ,  Libin LIU ,  Jiangnan LU ,  Mei LI ,  Shiming SHI ,  Jie ZHANG

IPC: H01L27/32 ,  H01L51/56 ,  H01L51/50

Abstract: A display substrate includes: a base substrate; a light-emitting unit in each pixel region and including a first electrode, an organic light-emitting layer, and a second electrode sequentially disposed in a direction away from the base substrate; an auxiliary conductive layer between the light-emitting unit and the base substrate; a pixel circuit in each pixel region and including a driving transistor. The auxiliary conductive layer is on a side of the pixel circuit away from the base substrate, the second electrode has a portion extending out of the pixel region and coupling to the auxiliary conductive layer through a via hole not overlapping the pixel region, the auxiliary conductive layer is insulated and spaced apart from the first electrode and has a mesh or chain shape, and a material of the auxiliary conductive layer is the same as a material of the first and second electrodes of the driving transistor.

公开(公告)号：US20220109033A1

公开(公告)日：2022-04-07

申请号：US17551341

申请日：2021-12-15

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Lujiang HUANGFU ,  Xiaodan JIN ,  Yinan LIANG ,  Zhenzhen LI ,  Wenjing TAN ,  Libin LIU ,  Qian YANG ,  Hongli WANG

IPC: H01L27/32 ,  G02F1/1343 ,  G09G3/20

Abstract: A display substrate including a first display area including a plurality of first sub-pixels, a plurality of second sub-pixels and a plurality of third sub-pixels, wherein the display substrate includes a plurality of first pixel groups each of which includes two third sub-pixels, one first sub-pixel and one second sub-pixel, the two third sub-pixels are arranged adjacent to each other along a first direction, the one first sub-pixel and the one second sub-pixel are adjacent to at least one of the two third sub-pixels, located on both sides of a straight line passing centers of the two third sub-pixels, and arranged along a second direction different from the first direction; a size of the first sub-pixel and the second sub-pixel in the second direction is smaller than a size of the first sub-pixel and the second sub-pixel in the first direction, respectively.