公开(公告)号：US20220328611A1

公开(公告)日：2022-10-13

申请号：US17435363

申请日：2021-03-15

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

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

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

Abstract: The display substrate includes: a substrate, an auxiliary cathode layer, a first insulating layer, an anode layer, a second insulating layer, and a cathode layer that are sequentially stacked on the substrate in a direction away from the substrate; the anode layer includes a plurality of anode patterns spaced apart from each other, and an anode spacing area is formed between adjacent anode patterns; an orthographic projection of the auxiliary cathode layer on the substrate and an orthographic projection of the cathode layer on the substrate have an auxiliary overlapping area, and the auxiliary cathode layer is electrically connected to the cathode layer through a connection via hole in the auxiliary overlapping area; an orthographic projection of the connection via hole on the substrate is located inside the orthographic projection of the anode spacing area on the substrate.

公开(公告)号：US20210359007A1

公开(公告)日：2021-11-18

申请号：US16618297

申请日：2019-03-04

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Jiangnan LU ,  Shi SHU

IPC: H01L27/32 ,  H01L51/56

Abstract: The present disclosure provides a display substrate, a method for manufacturing the same, and a display device. The display substrate includes: a base substrate having pixel regions arranged in an array, each pixel region including a first sub-pixel region and a second sub-pixel region; a light emitting layer and a color conversion layer sequentially stacked on the base substrate; the color conversion layer includes a first color conversion block in at least the first sub-pixel region of at least one pixel region, each of the at least one first color conversion block includes at least two color conversion materials for converting a light component of a color into a light of a target display color, colors of the light components converted by the color conversion materials are different, the target display color is different from the color of the light emitted from the light emitting layer.

公开(公告)号：US20210174739A1

公开(公告)日：2021-06-10

申请号：US16830775

申请日：2020-03-26

Applicant: BOE Technology Group Co., Ltd.

Inventor： Jiangnan LU ,  Libin LIU

IPC: G09G3/3225 ,  G09G3/3275

Abstract: The disclosure discloses a display panel and a display device. Each data writing circuit includes: a first sub-data writing transistor, a second sub-data writing transistor and a distributed capacitor; a gate of the first sub-data writing transistor and a gate of the second sub-data writing transistor are both electrically connected with a corresponding scanning signal line, a first end of the first sub-data writing transistor is electrically connected with a corresponding data line, a second end of the first sub-data writing transistor is electrically connected with a first end of the second sub-data writing transistor, a second end of the second sub-data writing transistor is electrically connected with a gate of the driving transistor, and a first electrode of the distributed capacitor is electrically connected with the second end of the first sub-data writing transistor, and a second electrode of the distributed capacitor is electrically connected with a fixed voltage signal end.

公开(公告)号：US20210142709A1

公开(公告)日：2021-05-13

申请号：US17052893

申请日：2019-12-24

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Libin LIU ,  Can ZHENG ,  Yu FENG ,  Jiangnan LU

IPC: G09G3/20

Abstract: A gate driving circuit and a display substrate are provided. The gate driving circuit may provide a driving signal to gate lines, and include output units cascaded to each other and having a same circuit structure. Each output unit includes at least one output transistor-outputs the driving signal to a corresponding gate line through the output transistor, and all the at least one output transistor is coupled to one gate line. The output units are classified first and second output units. A number of sub-pixels coupled to the gate line corresponding to each first output unit is greater than a number of sub-pixels coupled to the gate line corresponding to each second output unit, and an output capability of at least one output transistor of the first output unit is greater than an output capability of a corresponding output transistor of the second output unit.

公开(公告)号：US20240321197A1

公开(公告)日：2024-09-26

申请号：US18027376

申请日：2022-05-12

Applicant: BOE Technology Group Co., Ltd.

Inventor： Guangliang SHANG ,  Jiangnan LU ,  Li WANG ,  Mengyang WEN ,  Xing YAO ,  Libin LIU

IPC: G09G3/3233 ,  G09G3/3266 ,  G09G3/3275

CPC classification number: G09G3/3233 ,  G09G3/3266 ,  G09G3/3275 ,  G09G2310/08 ,  G09G2320/0247 ,  G09G2330/021

Abstract: Provided is a display substrate, a drive method thereof and a display apparatus, the display substrate includes: a first drive mode and a second drive mode, the first drive mode has a refresh rate less than that of the second drive mode, wherein the contents displayed on the display substrate include a plurality of display frames, in the first drive mode, the display frames include: a refresh frame and at least one maintain frame; the display substrate includes pixel circuits arranged in an array, the pixel circuits include a data signal line and a first initial signal line; the data signal line provides a first data signal in the maintain frame, the voltage value of the first data signal is constant, and/or the first initial signal line provides a first initial signal in the refresh frame and the maintain frame, the first initial signal is an AC signal.

公开(公告)号：US20240290271A1

公开(公告)日：2024-08-29

申请号：US18044967

申请日：2022-06-29

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Zhenzhen SHAN ,  Jiangnan LU ,  Guangliang SHANG ,  Libin LIU ,  Jianchao ZHU ,  Xing YAO

IPC: G09G3/3258

CPC classification number: G09G3/3258 ,  G09G2300/0426

Abstract: A display substrate includes a driving module arranged on the base substrate, the driving module includes a plurality of driving units, and the driving unit includes a plurality of stages of driving circuits; the driving unit includes a first signal line, and the driving circuit includes an output sub-circuit; the display substrate includes at least two metal layers stacked along a direction away from the base substrate; in at least one driving unit, an orthographic projection of the first signal line on the base substrate at least partially overlaps an orthographic projection of a first electrode or a second electrode of at least one transistor included in the output sub-circuit on the base substrate, the first electrode and the second electrode are arranged on the same metal layer, and the first electrode and the first signal line are arranged on different metal layers.

公开(公告)号：US20230351970A1

公开(公告)日：2023-11-02

申请号：US17636898

申请日：2021-03-24

Applicant: BOE Technology Group Co., Ltd.

Inventor： Jiangnan LU ,  Guangliang SHANG ,  Libin LIU ,  Li WANG ,  Xinshe YIN ,  Shiming SHI

IPC: G09G3/3266

CPC classification number: G09G3/3266 ,  G09G2310/0286 ,  G11C19/28

Abstract: Provided is a display substrate including a display region and a non-display region. The non-display region is provided with a gate drive circuit, and the gate drive circuit includes a plurality of cascaded shift register units; a shift register unit includes an input sub-circuit and a denoising output sub-circuit. The denoising output sub-circuit is connected with the input sub-circuit, a first group of clock signal lines, and a second group of clock signal lines, and the input sub-circuit is connected with a third group of clock signal lines. The third group of clock signal lines, the input sub-circuit, the first group of clock signal lines, the denoising output sub-circuit, and the second group of clock signal lines are sequentially arranged along a first direction.

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：US20230162684A1

公开(公告)日：2023-05-25

申请号：US17610043

申请日：2021-01-13

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Jiangnan LU ,  Can ZHENG

IPC: G09G3/3266 ,  G11C19/28 ,  H10K59/131

CPC classification number: G09G3/3266 ,  G11C19/28 ,  H10K59/131 ,  G09G2300/0852 ,  G09G2310/0286

Abstract: A display substrate, a manufacturing method thereof and a display device are provided. The display substrate includes a base substrate, and a shift register unit, a first clock signal line and a second clock signal line which are on the peripheral region of the base substrate; the first clock signal line and the second clock signal line extend along a first direction; an active layer of the first control transistor, an active layer of the second control transistor, and an active layer of the third control transistor respectively extend along a second direction, and the active layer of the first control transistor, the active layer of the second control transistor, and the active layer of the third control transistor are on a side of the first clock signal line and the second clock signal line close to the display region, and are arranged side by side in the first direction.

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.