公开(公告)号：US12144132B2

公开(公告)日：2024-11-12

申请号：US17801270

申请日：2021-11-19

Applicant: BOE Technology Group Co., Ltd.

Inventor： Biao Gao ,  Lu Liu ,  Hong Zhu ,  Ziang Han ,  Zongyuan Wang ,  Xiaofei Luo

IPC: H05K5/02

Abstract: A display apparatus and a display device, the display apparatus includes a first housing, a second housing, and a flexible display screen disposed on the first housing and the second housing; the flexible display screen includes a roll-up portion and a fixing portion that are connected to one another, the roll-up portion is at least partially disposed on the second housing, the fixing portion is at least partially disposed on the first housing, the second housing is slidably connected to the first housing, and at least part of the roll-up portion can slide out of or slide into the first housing following the second housing; a supporting structure is provided between at least part of the roll-up portion and the second housing, and the supporting structure provides a supporting force for the roll-up portion.

公开(公告)号：US11864422B2

公开(公告)日：2024-01-02

申请号：US17485764

申请日：2021-09-27

Applicant: BOE Technology Group Co., Ltd.

Inventor： Jing Wang ,  Hongwei Tian ,  Ming Liu ,  Jia Zhao ,  Qiuhua Meng ,  Ziang Han

IPC: H01L27/32 ,  H01L51/56 ,  H10K59/121 ,  H10K59/122 ,  H10K59/124 ,  H10K71/00 ,  H01L21/02 ,  H01L27/12 ,  H01L29/66 ,  H01L29/786 ,  H10K59/12

CPC classification number: H10K59/1213 ,  H10K59/122 ,  H10K59/124 ,  H10K71/00 ,  H01L21/02565 ,  H01L27/127 ,  H01L27/1225 ,  H01L27/1248 ,  H01L29/66969 ,  H01L29/7869 ,  H01L29/78696 ,  H10K59/1201

Abstract: The present disclosure provides a method for fabricating a displaying backplane, a displaying backplane and a displaying device, and relates to the technical field of displaying. The method includes forming a first active layer and a second active layer on a substrate base plate; forming a first grid insulating layer covering the first active layer and the second active layer; forming a first grid on the first grid insulating layer; performing ion implantation to the first no-channel regions, the second no-channel regions and the second channel region, to reduce oxygen-vacancy concentrations of the first no-channel regions, the second no-channel regions and the second channel region; and forming a second grid on the first grid insulating layer.

公开(公告)号：US12193273B2

公开(公告)日：2025-01-07

申请号：US18512114

申请日：2023-11-17

Applicant: BOE Technology Group Co., Ltd.

Inventor： Jing Wang ,  Hongwei Tian ,  Ming Liu ,  Jia Zhao ,  Qiuhua Meng ,  Ziang Han

IPC: H10K59/121 ,  H10K59/122 ,  H10K59/124 ,  H10K71/00 ,  H01L21/02 ,  H01L27/12 ,  H01L29/66 ,  H01L29/786 ,  H10K59/12

Abstract: The present disclosure provides a displaying backplane and a displaying device, and relates to the technical field of displaying. The displaying backplane includes: a substrate base plate; a first active layer and a second active layer that are provided on the substrate base plate, wherein the material of the first active layer and the second active layer is an oxide semiconductor, the first active layer has a first channel region and first no-channel regions, and the second active layer has a second channel region and second no-channel regions; a first grid insulating layer covering the first active layer and the second active layer; and a first grid and a second grid that are provided on the first grid insulating layer; wherein the oxygen-vacancy concentration of the first channel region is greater than the oxygen-vacancy concentrations of the first no-channel regions, the second no-channel regions and the second channel region.

公开(公告)号：US11951730B2

公开(公告)日：2024-04-09

申请号：US17309517

申请日：2020-12-29

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Penghao Gu ,  Chunyan Xie ,  Song Zhang ,  Ziang Han

IPC: B32B7/06 ,  B32B3/16 ,  B32B7/14 ,  B32B15/18 ,  B32B27/28 ,  B32B27/36 ,  B32B37/02 ,  B32B37/12 ,  B32B37/18 ,  B32B38/10

CPC classification number: B32B7/06 ,  B32B3/16 ,  B32B7/14 ,  B32B15/18 ,  B32B27/281 ,  B32B27/36 ,  B32B37/02 ,  B32B37/1292 ,  B32B37/182 ,  B32B38/10 ,  B32B2255/10 ,  B32B2255/26 ,  B32B2307/308 ,  B32B2307/412 ,  B32B2307/54 ,  B32B2307/546 ,  B32B2311/30 ,  B32B2367/00 ,  B32B2379/08 ,  B32B2457/20

Abstract: The present disclosure provides a flexible display device. The flexible display device has different base materials for the back supporting film at the bonding region and the non-bonding region, so that it can satisfy the requirements for AOI and bending resistance respectively. The present disclosure also provides a back film for a flexible display device and a preparation method thereof.

公开(公告)号：US20240090267A1

公开(公告)日：2024-03-14

申请号：US18512114

申请日：2023-11-17

Applicant: BOE Technology Group Co., Ltd.

Inventor： Jing Wang ,  Hongwei Tian ,  Ming Liu ,  Jia Zhao ,  Qiuhua Meng ,  Ziang Han

IPC: H10K59/121 ,  H10K59/122 ,  H10K59/124 ,  H10K71/00

CPC classification number: H10K59/1213 ,  H10K59/122 ,  H10K59/124 ,  H10K71/00 ,  H01L21/02565

Abstract: The present disclosure provides a displaying backplane and a displaying device, and relates to the technical field of displaying. The displaying backplane includes: a substrate base plate; a first active layer and a second active layer that are provided on the substrate base plate, wherein the material of the first active layer and the second active layer is an oxide semiconductor, the first active layer has a first channel region and first no-channel regions, and the second active layer has a second channel region and second no-channel regions; a first grid insulating layer covering the first active layer and the second active layer; and a first grid and a second grid that are provided on the first grid insulating layer; wherein the oxygen-vacancy concentration of the first channel region is greater than the oxygen-vacancy concentrations of the first no-channel regions, the second no-channel regions and the second channel region.

公开(公告)号：US20230115315A1

公开(公告)日：2023-04-13

申请号：US17913669

申请日：2021-11-04

Applicant: BOE Technology Group Co., Ltd.

Inventor： Ziang Han ,  Haoran Wang ,  Chunyan Xie ,  Song Zhang ,  Jing Wang

IPC: H10K50/844

Abstract: A display device, which relates to the technical field of displaying. In the present application, a protecting layer is provided on one side away from the light-emitting surface of the display panel, a supporting layer is provided on the side of the protecting layer that is away from the display panel, the protecting layer is provided with at least one first slot, the supporting layer is provided with a perforative second slot, an overlap region exists between an orthographic projection of the first slot on the display panel and an orthographic projection of the second slot on the display panel, the orthographic projection of the second slot on the display panel is located in the curved-surface region, and a first bonding layer is provided inside the first slot and the second slot.

公开(公告)号：US20220254852A1

公开(公告)日：2022-08-11

申请号：US17485764

申请日：2021-09-27

Applicant: BOE Technology Group Co., Ltd.

Inventor： Jing Wang ,  Hongwei Tian ,  Ming Liu ,  Jia Zhao ,  Qiuhua Meng ,  Ziang Han

IPC: H01L27/32 ,  H01L51/56

Abstract: The present disclosure provides a method for fabricating a displaying backplane, a displaying backplane and a displaying device, and relates to the technical field of displaying. The method includes forming a first active layer and a second active layer on a substrate base plate; forming a first grid insulating layer covering the first active layer and the second active layer; forming a first grid on the first grid insulating layer; performing ion implantation to the first no-channel regions, the second no-channel regions and the second channel region, to reduce oxygen-vacancy concentrations of the first no-channel regions, the second no-channel regions and the second channel region; and forming a second grid on the first grid insulating layer.

公开(公告)号：US11860393B2

公开(公告)日：2024-01-02

申请号：US17922068

申请日：2021-10-22

Applicant: BOE Technology Group Co., Ltd.

Inventor： Xiongnan Zhang ,  Paoming Tsai ,  Haoran Wang ,  Ziang Han

IPC: G02B5/30 ,  H10K59/40 ,  H10K59/80 ,  H10K102/00

CPC classification number: G02B5/3016 ,  G02B5/3025 ,  H10K59/40 ,  H10K59/871 ,  H10K2102/311

Abstract: A flexible touch display module (100) and a touch display device (1000) including the flexible touch display module, the flexible touch display module (100) includes: a flexible display panel (1), a flexible cover plate (2), a linear polarization layer (3), a first retardation plate (4) and a second retardation plate (5). An absorption axis of the linear polarization layer (3) is at an angle of about 90°. The first retardation plate (4) includes a first retardation film (41), and the first retardation film (41) is a liquid crystal layer having a quarter-wavelength retardation. The first retardation film (41) has a major axis and a minor axis in a plane parallel to flexible display panel (1), and an included angle between a direction in which the minor axis of the first retardation film (41) extends and the absorption axis of the linear polarization layer (3) is about 45°.

公开(公告)号：US11805671B2

公开(公告)日：2023-10-31

申请号：US17356380

申请日：2021-06-23

Applicant: BOE Technology Group Co., Ltd.

Inventor： Jing Wang ,  Hongwei Tian ,  Ming Liu ,  Ziang Han ,  Zunqing Song

IPC: H10K50/844 ,  H10K71/00 ,  H10K77/10

CPC classification number: H10K50/844 ,  H10K71/00 ,  H10K77/10

Abstract: A method for manufacturing a display backplane, a display backplate, and a display device are disclosed. The method includes: forming a planarization layer on one side of a substrate inside a pixel region, a partition region, and a perforation region; forming at least one girdle of annular passivation layer disposed around the perforation region on a surface, away from the substrate, of the planarization layer inside a portion of the partition layer; removing a portion of the planarization layer, inside the partition region, uncovered by the annular passivation layer and the planarization layer, inside the partition region, partially covered by the annular passivation layer, to obtain at least one girdle of annular isolation columns disposed between the substrate and the annular passivation layer and around the perforation region; and forming organic light-emitting elements on one side of the planarization layer away from the substrate to obtain the display backplane.

公开(公告)号：US11673363B2

公开(公告)日：2023-06-13

申请号：US17331747

申请日：2021-05-27

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Yongxiang Shi ,  Paoming Tsai ,  Xuekai Yang ,  Xiongnan Zhang ,  Shuang Du ,  Jiahao Zhang ,  Ziang Han

IPC: B32B3/26 ,  B32B7/022 ,  B32B7/12 ,  B32B17/10

CPC classification number: B32B3/263 ,  B32B7/022 ,  B32B7/12 ,  B32B17/10 ,  B32B2307/51 ,  B32B2307/732 ,  B32B2457/20

Abstract: The present disclosure relates to a rollable display panel. The rollable display panel includes a first structure layer, a second structure layer, and a first adhesive layer stacked between the first structure layer and the second structure layer. The rollable display panel is divided into a rollable area, a strain accumulation area, and a flat area distributed in sequence along a rolling direction. A thickness of a part of the first adhesive layer located in the strain accumulation area is greater than a thickness of a part of the first adhesive layer located in the rollable area or the flat area.