公开(公告)号：US12205999B2

公开(公告)日：2025-01-21

申请号：US17907839

申请日：2021-08-31

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

Inventor： Bin Lin ,  Liangliang Li ,  Zheng Liu ,  Bo Hu ,  Rui Zhang ,  Xinlin Peng

IPC: H01L29/417 ,  H01L27/12 ,  H01L29/04 ,  H01L29/66 ,  H01L29/786

Abstract: Provided is a metal-oxide thin-film transistor. The metal-oxide thin-film transistor includes a gate, a gate insulation layer, a metal-oxide semiconductor layer, a source electrode, a drain electrode, and a passivation layer that are successively disposed on a base substrate; wherein the source electrode and the drain electrode are both in a laminated structure, wherein the laminated structure of the source electrode or the drain electrode at least includes a bulk metal layer and an electrode protection layer; wherein the electrode protection layer includes a metal or a metal alloy; the electrode protection layer is at least disposed between the metal-oxide semiconductor layer and the bulk metal layer; wherein a metal-oxide layer is disposed between the electrode protection layer and the bulk metal layer.

公开(公告)号：US12120906B2

公开(公告)日：2024-10-15

申请号：US17630116

申请日：2021-04-22

Applicant: BOE Technology Group Co., Ltd.

Inventor： Hongwei Tian ,  Yanan Niu ,  Hejin Wang ,  Pinfan Wang ,  Fangxu Cao ,  Zheng Liu

IPC: H10K59/12 ,  H10K50/844 ,  H10K59/131 ,  H10K71/00 ,  H10K59/122

CPC classification number: H10K50/844 ,  H10K59/131 ,  H10K71/00 ,  H10K59/1201 ,  H10K59/122

Abstract: Provided are a display substrate, a display device, and a method for manufacturing the display substrate. The display substrate includes: a first inorganic encapsulation layer covering pixels of an island region and covering a signal line of a bridge region, a first organic encapsulation layer covering the first inorganic encapsulation layer, and multiple insulating layers located in the bridge region and between the first inorganic encapsulation layer and a substrate.

公开(公告)号：US11974493B2

公开(公告)日：2024-04-30

申请号：US17281420

申请日：2020-06-04

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Hongwei Tian ,  Yanan Niu ,  Dong Li ,  Ming Liu ,  Zheng Liu

IPC: H10K77/10 ,  G09F9/30 ,  H10K59/131 ,  H10K102/00

CPC classification number: H10K77/111 ,  G09F9/301 ,  H10K59/131 ,  H10K2102/311

Abstract: A flexible substrate has at least one bendable region. The flexible substrate includes a flexible base, a first electrode layer disposed on the base, a first insulating layer disposed on a side of the first electrode layer away from the base, and a second electrode layer disposed on a side of the first insulating layer away from the base. The first electrode layer includes at least one first detection electrode, and the second electrode layer includes at least one second detection electrode. An orthogonal projection of a first detection electrode on the base overlaps at least partially with an orthogonal projection of a second detection electrode on the base. A region where orthogonal projections of the first detection electrode and the second detection electrode on the base are located overlaps with a bendable region.

公开(公告)号：US11705461B2

公开(公告)日：2023-07-18

申请号：US17357347

申请日：2021-06-24

Applicant: BOE Technology Group Co., Ltd.

Inventor： Dong Li ,  Yang Yu ,  Huijuan Zhang ,  Zheng Liu

IPC: H01L27/12 ,  H10K59/121

CPC classification number: H01L27/1229 ,  H01L27/1225 ,  H01L27/1251 ,  H01L27/1255 ,  H01L27/1259 ,  H10K59/1213

Abstract: Disclosed are a display substrate, a manufacturing method thereof, a display panel and a display device. The display panel comprises: a base substrate provided with a first area and a second area which are not overlapped with each other; a low temperature poly-silicon transistor arranged in the first area, the low temperature poly-silicon transistor comprises a poly-silicon active layer; an oxide transistor arranged in the second area, the oxide transistor comprises a first gate electrode; the first gate electrode is arranged in a same layer as the poly-silicon active layer, and a material of the first gate electrode is heavily-doped poly-silicon.

公开(公告)号：US11670106B2

公开(公告)日：2023-06-06

申请号：US17504372

申请日：2021-10-18

Applicant: BOE Technology Group Co., Ltd.

Inventor： Jing Wang ,  Ming Liu ,  Zheng Liu ,  Hongwei Tian ,  Yibing Fan ,  Jia Zhao

IPC: G09G3/3208 ,  G06V40/13

CPC classification number: G06V40/1318 ,  G09G3/3208 ,  H10K50/813 ,  H10K50/822 ,  H10K59/122 ,  H10K59/40 ,  H10K71/00

Abstract: An optical fingerprint sensor is provided. The optical fingerprint sensor includes a backplate structure layer, a pixel defining layer, and an organic photoelectric sensing layer, wherein the pixel defining layer is disposed on a side of the backplate structure layer; and a non-pixel region of the pixel defining layer is provided with a first non-pixel hole, and the organic photoelectric sensing layer is disposed in the first non-pixel hole.

公开(公告)号：US20230172025A1

公开(公告)日：2023-06-01

申请号：US17755268

申请日：2021-03-09

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Caiyu Qu ,  Yanjun Hao ,  Hao Liu ,  Zunqing Song ,  Dong Li ,  Huijuan Zhang ,  Zheng Liu

IPC: H10K59/40 ,  H10K59/12 ,  G06V40/13

CPC classification number: H10K59/40 ,  H10K59/1201 ,  G06V40/1306 ,  H10K59/179

Abstract: An array substrate, a display panel, a display apparatus, and a method for manufacturing the array substrate are provided. The array substrate includes: a base substrate; a plurality of pixels, at least one of the pixels including a pixel driver circuit and a light-emitting unit electrically connected to the pixel driver circuit; a fingerprint recognition structure including a first capacitor electrode configured to form a capacitor for fingerprint recognition between at least a part of a touch body and the first capacitor electrode in response to the at least a part of the touch body covering the first capacitor electrode. The fingerprint recognition structure is in the at least one pixel, the pixel driver circuit includes a thin film transistor including an active layer and a gate, and the first capacitor electrode is in the same layer as one of the active layer or the gate of the thin film transistor.

公开(公告)号：US11581507B2

公开(公告)日：2023-02-14

申请号：US16768146

申请日：2019-12-20

Applicant: BOE Technology Group Co., Ltd.

Inventor： Xiaolong Li ,  Ming Liu ,  Zheng Liu ,  Dawei Wang ,  Yanliu Sun

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

Abstract: A display panel is provided, which includes a base substrate, and a light-emitting device and an encapsulation structure sequentially arranged on the base substrate. The encapsulation structure includes at least one first encapsulation film layer, the first encapsulation film layer includes at least two inorganic layers arranged in a stack, and refractive indexes of the at least two inorganic layers sequentially increase in a direction close to the light-emitting device. The first encapsulation film layer is configured to adjust an angle of an ambient light incident on the light-emitting device to reduce the ambient light reflected from the display panel.

公开(公告)号：US11568815B2

公开(公告)日：2023-01-31

申请号：US17329027

申请日：2021-05-24

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Yang Yu ,  Zheng Liu

IPC: G09G3/3258

Abstract: The present disclosure provides a pixel driving circuit, a manufacturing method thereof, and a display device. In the pixel driving circuit, a first terminal of a coupling sub-circuit is electrically connected to a control terminal of a driving sub-circuit; a second compensation sub-circuit is electrically connected to a first control terminal, a second terminal of the coupling sub-circuit and a first level signal input terminal, respectively; the pixel driving circuit is configured to control the connection or disconnection between the second terminal of the coupling sub-circuit and the first level signal input terminal under the control of the first control terminal.

公开(公告)号：US11538366B2

公开(公告)日：2022-12-27

申请号：US16916910

申请日：2020-06-30

Applicant: BOE Technology Group Co., Ltd.

Inventor： Xiaolong Li ,  Meng Zhao ,  Zheng Liu ,  Chunyang Wang ,  Mingxin Zhang

IPC: H01L27/32 ,  H01L51/52 ,  G09F9/30 ,  G01B7/00 ,  G01B7/30 ,  G01N27/04

Abstract: The present disclosure discloses a display panel and a detecting method thereof. By providing at least one resistance sensor in a bending region, an extending direction of the resistance sensor is perpendicular to an extending direction of an axis for bending and overlaps with the axis for bending. By electrically connecting the resistance sensor to a detecting circuit, a change of the resistance value of the resistance sensor can be reflected as a change of voltage.

公开(公告)号：US20220157919A1

公开(公告)日：2022-05-19

申请号：US17589810

申请日：2022-01-31

Applicant: BOE Technology Group Co., Ltd.

Inventor： Hongwei Tian ,  Yanan Niu ,  Chunyang Wang ,  Dong Li ,  Zheng Liu ,  Shuai Zhang

IPC: H01L27/32 ,  G09G3/3266 ,  H01L51/52

Abstract: A display substrate having a display area and a gate-on-array (GOA) area outside the display area is provided. The display substrate includes a base substrate; a plurality of GOA signal lines on the base substrate and in the GOA area; and a first signal line in the GOA area, at least a portion of the first signal line being on a side of the plurality of GOA signal lines away from the base substrate. An orthographic projection of the first signal line on the base substrate at least partially covers an orthographic projection of at least one of a first clock signal line, a second clock signal line, a start signal line, a high voltage power line, or a low voltage power line on the base substrate.