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：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：US20240298497A1

公开(公告)日：2024-09-05

申请号：US18026004

申请日：2022-06-20

Applicant: BOE Technology Group Co., Ltd.

Inventor： Bei Wang ,  Guanyin Wen ,  Xiaobo Du ,  Huameng Liu ,  Yanjun Hao

IPC: H10K59/38 ,  H10K50/115 ,  H10K50/13

CPC classification number: H10K59/38 ,  H10K50/131 ,  H10K50/115

Abstract: A light emitting device includes: a first electrode; a second electrode disposed opposite to the first electrode; and multiple emission layers stacked between the first electrode and the second electrode. The emission layers include at least one first emission layer and at least one second emission layer. The first emission layer includes a first luminescent material, and is configured to emit a first light when driven by a current or voltage; the second emission layer includes a second luminescent material, and is configured to emit a second light when driven by the current or voltage; a luminous efficiency of the first luminescent material is greater than that of the second luminescent material; and a luminance conversion rate when performing optical excitation on color conversion materials by the first light is smaller than that when performing optical excitation on the color conversion materials by the second light.

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：US12033425B2

公开(公告)日：2024-07-09

申请号：US17797318

申请日：2021-10-25

Applicant: BOE Technology Group Co., Ltd.

Inventor： Caiyu Qu ,  Yanjun Hao ,  Hao Liu ,  Hejin Wang ,  Huijuan Zhang ,  Zheng Liu

IPC: G06V40/13 ,  G06V40/12 ,  H10K50/844 ,  H10K50/86 ,  H10K59/65 ,  G02B5/20 ,  H10K59/12 ,  H10K59/38

CPC classification number: G06V40/1318 ,  G06V40/1365 ,  H10K50/844 ,  H10K50/865 ,  H10K59/65 ,  G02B5/201 ,  H10K59/12 ,  H10K59/38

Abstract: Provided is a display panel including a base substrate, a display function film layer, a filter film layer, and a fingerprint recognition circuit. The display function film layer is disposed on the base substrate, and the display function film layer is provided with a plurality of light-emitting regions. The filter film layer is disposed on a side of the display function film layer away from the base substrate, wherein the filter film layer is capable of transmitting light emitted from the plurality of light-emitting regions, and a material of the filter film layer comprises a conductive material. The fingerprint recognition circuit is disposed on the base substrate, wherein the fingerprint recognition circuit is connected to the filter film layer, and configured for fingerprint recognition based on light reflected by an obstacle and received by the filter film layer.

公开(公告)号：US11980079B2

公开(公告)日：2024-05-07

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 ,  G06V40/13 ,  G09G3/3233 ,  H10K59/12 ,  H10K59/131 ,  H10K59/179

CPC classification number: H10K59/40 ,  G06V40/1306 ,  H10K59/1201 ,  G09G3/3233 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2300/0861 ,  G09G2354/00 ,  H10K59/131 ,  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：US11927784B2

公开(公告)日：2024-03-12

申请号：US17483546

申请日：2021-09-23

Applicant: BOE Technology Group Co., Ltd.

Inventor： Caiyu Qu ,  Yanjun Hao ,  Huijuan Zhang ,  Xueyan Tian ,  Zheng Liu

IPC: G02B5/30 ,  G02F1/1335 ,  G02F1/1343

CPC classification number: G02B5/3058 ,  G02B5/3016 ,  G02F1/133528 ,  G02F1/133553 ,  G02F1/1343

Abstract: Provided is an anti-dazzling device, including a first electrode, a second electrode and a dimming structure, wherein the first electrode and the second electrode are disposed opposite to each other, and the dimming structure is disposed between the first electrode and the second electrode and is configured to change a light transmittance of the anti-dazzling device under action of voltage. An OLED display device and a method for manufacturing an anti-dazzling device are also provided.

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.