公开(公告)号：US11670646B2

公开(公告)日：2023-06-06

申请号：US17194398

申请日：2021-03-08

Applicant: BOE Technology Group Co., Ltd.

Inventor： Caiyu Qu ,  Fangxu Cao ,  Yanjun Hao ,  Huijuan Zhang ,  Yibing Fan ,  Zunqing Song ,  Dengyun Chen

IPC: H01L29/786 ,  H01L27/12

CPC classification number: H01L27/1244 ,  H01L27/1237 ,  H01L27/1259

Abstract: Provided are a display substrate, a preparation method thereof, and a display device. The display substrate includes: a substrate, a thin film transistor disposed in a pixel island region of the substrate, a first signal line disposed in the pixel island region and a first connecting bridge disposed in a bridge region of the substrate, wherein the first connecting bridge is electrically connected to a gate of the thin film transistor.

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：US12295205B2

公开(公告)日：2025-05-06

申请号：US17519316

申请日：2021-11-04

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Yibing Fan ,  Chunyang Wang ,  Caiyu Qu ,  Huijuan Zhang ,  Liangjian Li ,  Zheng Liu

IPC: H10K50/856 ,  H10K50/81 ,  H10K59/12 ,  H10K59/35 ,  H10K59/38 ,  H10K102/00 ,  H10K102/10

Abstract: The present disclosure provides an organic electroluminescent device and a display panel. The organic electroluminescent device provided by the present disclosure includes: a first electrode, a second electrode and a light-emitting layer located between the first electrode and the second electrode, and an optical structure located at a side of the first electrode facing away from the light-emitting layer. A reflectance of the optical structure with respect to light of a specific wavelength band is greater than a reflectance of the optical structure with respect to light of a wavelength band other than the specific wavelength band, the light of the specific wavelength band being light emitted by the organic electroluminescent device, and a material for forming the optical structure includes at least one of nitrogen, oxygen, and fluorine.

公开(公告)号：US11923379B2

公开(公告)日：2024-03-05

申请号：US18130677

申请日：2023-04-04

Applicant: BOE Technology Group Co., Ltd.

Inventor： Caiyu Qu ,  Fangxu Cao ,  Yanjun Hao ,  Huijuan Zhang ,  Yibing Fan ,  Zunqing Song ,  Dengyun Chen

IPC: H01L29/40 ,  H01L27/12

CPC classification number: H01L27/1244 ,  H01L27/1237 ,  H01L27/1259

Abstract: Provided is a method for preparing a display substrate. The method includes: providing a substrate, the substrate including a plurality of pixel island regions spaced apart and a plurality of bridge regions connecting adjacent pixel island regions; forming thin film transistors and first signal lines in the pixel island regions, and forming first connecting bridges in the bridge regions; and forming second signal lines, second connecting bridges, and a source/drain layer on the substrate by a one-time patterning process.

公开(公告)号：US20230189565A1

公开(公告)日：2023-06-15

申请号：US17789284

申请日：2021-09-30

Applicant: BOE Technology Group Co., Ltd.

Inventor： Caiyu Qu ,  Yanjun Hao ,  Huijuan Zhang ,  Yibing Fan ,  Dengyun Chen ,  Zunqing Song ,  Dong Li ,  Zheng Liu

IPC: H10K59/121 ,  H10K59/126 ,  H10K59/12

CPC classification number: H10K59/1213 ,  H10K59/1216 ,  H10K59/126 ,  H10K59/1201 ,  H01L29/78633

Abstract: A thin film transistor is provided. The thin film transistor is disposed on a base substrate and includes: a first active layer; a first gate disposed on a side of the first active layer; a first insulating layer disposed on a side of the first gate away from the base substrate; and a source and a drain. The first gate includes a stacked structure including: a first conductive layer; and a first barrier layer disposed on a side of the first conductive layer away from the base substrate, where a side of the first barrier layer away from the base substrate is in direct contact with a side of the first insulating layer proximate to the base substrate. The first barrier layer includes TiNx1, where 0≤x1

公开(公告)号：US20220020782A1

公开(公告)日：2022-01-20

申请号：US17194398

申请日：2021-03-08

Applicant: BOE Technology Group Co., Ltd.

Inventor： Caiyu Qu ,  Fangxu Cao ,  Yanjun Hao ,  Huijuan Zhang ,  Yibing Fan ,  Zunqing Song ,  Dengyun Chen

IPC: H01L27/12

Abstract: Provided are a display substrate, a preparation method thereof, and a display device. The display substrate includes: a substrate, a thin film transistor disposed in a pixel island region of the substrate, a first signal line disposed in the pixel island region and a first connecting bridge disposed in a bridge region of the substrate, wherein the first connecting bridge is electrically connected to a gate of the thin film transistor.