公开(公告)号：US11800752B2

公开(公告)日：2023-10-24

申请号：US17057027

申请日：2020-03-17

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Lujiang Huangfu ,  Xing Fan ,  Hao Gao ,  Hao Zhang ,  Qiuhua Meng ,  Na Li ,  Yansong Li

IPC: H01L27/32 ,  H10K59/122

CPC classification number: H10K59/122

Abstract: A pixel structure includes: a pixel definition layer having a first side and a second side which are opposite to each other in a thickness direction of the pixel definition layer, the pixel definition layer including a pixel opening having sidewalls; an island-shaped portion disposed in the pixel opening of the pixel definition layer and spaced apart from the sidewalls of the pixel opening, the island-shaped portion having sidewalls, and the sidewalls of the pixel opening and the sidewalls of the island-shaped portion defining a ring-shaped pixel groove; and a light emitting unit, at least a part of which is disposed in the ring-shaped pixel groove.

公开(公告)号：US20230301143A1

公开(公告)日：2023-09-21

申请号：US18320373

申请日：2023-05-19

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Lujiang Huangfu ,  Xing Fan ,  Hao Gao ,  Hao Zhang ,  Qiuhua Meng ,  Na Li ,  Yansong Li

IPC: H10K59/122

CPC classification number: H10K59/122

Abstract: A display apparatus is provided, including a plurality of light-emitting units disposed on a substrate. Each light-emitting unit includes a first electrode layer, an organic light-emitting layer and a second electrode layer arranged in sequence along a first direction, and has a first light-emitting region, an island-shaped region and a second light-emitting region continuously arranged in sequence along a second direction. The first direction is a direction perpendicular to the substrate, and the second direction is a direction parallel to the substrate. The first electrode layer continuously extends in the first light-emitting region, the island-shaped region and the second light-emitting region, and the first electrode layer is formed with a first protrusion portion in the island-shaped region.

公开(公告)号：US11690272B2

公开(公告)日：2023-06-27

申请号：US17539095

申请日：2021-11-30

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Hao Gao ,  Zhihui Zhang ,  Xu Li ,  Xing Fan ,  Penghao Gu

IPC: H10K59/50 ,  G02F1/01 ,  G02F1/1335 ,  G02F1/1343 ,  G02F1/137

CPC classification number: H10K59/50 ,  G02F1/0136 ,  G02F1/137 ,  G02F1/133528 ,  G02F1/133553 ,  G02F1/134309 ,  G02F2201/44 ,  G02F2203/09

Abstract: Embodiments of the disclosure provide a display panel and a display device. The display panel includes a substrate, a plurality of light emitting elements and at least one transmissive-reflective module, where the light emitting elements are arranged on the substrate; each of the light emitting elements includes a first electrode, a light emitting functional layer and a second electrode arranged along a direction vertical to the substrate and away from the substrate; the at least one transmissive-reflective module is arranged on a side, close to the substrate, of the first electrode of at least one of the light emitting elements, and/or on a side, away from the substrate, of the second electrode of at least one of the light emitting elements; the transmissive-reflective module is configured to switch between a transmissive state and a reflective state.

公开(公告)号：US20210217989A1

公开(公告)日：2021-07-15

申请号：US16960197

申请日：2020-02-05

Applicant: BOE Technology Group Co., Ltd.

Inventor： Hao Gao ,  Tao Wang

IPC: H01L51/52 ,  H01L51/56

Abstract: The light-emitting device includes: a base substrate; a light-emitting unit, disposed on the base substrate; and a thin film packaging structure disposed on a side, distal from the base substrate, of the light-emitting unit, wherein the thin film packaging structure includes a target packaging film layer of at least one packaging film layer is provided with a first packaging portion and a second packaging portion which are arranged in the same layer and are in contact with each other, an orthographic projection of the first packaging portion on the base substrate at least partially overlaps an orthographic projection of the light-emitting unit on the base substrate, an orthographic projection of the second packaging portion on the base substrate at least partially overlaps the orthographic projection of the light-emitting unit, and a refractive index of the first packaging portion is less than a refractive index of the second packaging portion.

公开(公告)号：US20200185640A1

公开(公告)日：2020-06-11

申请号：US16422514

申请日：2019-05-24

Applicant: BOE Technology Group Co., Ltd.

Inventor： Hao Gao

IPC: H01L51/52 ,  G09G3/3208

Abstract: A display panel and a display device are disclosed, the display panel including: a base substrate and a light-emitting device thereon; and an encapsulating structure on a side of the light-emitting device facing away from the base substrate and completely covering the light-emitting device; an optical membrane layer between the encapsulating structure and the light-emitting device; the encapsulating structure includes a first inorganic encapsulating membrane above the light-emitting device on a side of the optical membrane layer facing away from the base substrate and a second inorganic encapsulating membrane on a side of the first inorganic encapsulating membrane facing away from the base substrate; the first inorganic encapsulating membrane has a refractive index lower than that of the second inorganic encapsulating membrane and the optical membrane layer; or the first inorganic encapsulating membrane has a refractive index higher than that of the second inorganic encapsulating membrane and the optical membrane layer.

公开(公告)号：US20200168835A1

公开(公告)日：2020-05-28

申请号：US16409369

申请日：2019-05-10

Applicant: BOE Technology Group Co., Ltd.

Inventor： Yan Fan ,  Xing Fan ,  Hao Gao ,  Xiangmin Wen

IPC: H01L51/52 ,  H01L51/56

Abstract: A display panel and a method for manufacturing the same and a display device are disclosed. The display substrate includes: a base substrate having a plurality of pixel areas, at least one of the plurality of pixel areas including a first electrode layer, an organic functional layer and a second electrode layer stacked in sequence on the base substrate; and a third electrode layer on a side of the second electrode layer facing away from the base substrate; wherein the third electrode layer is electrically connected to the second electrode layer.

公开(公告)号：US12219819B2

公开(公告)日：2025-02-04

申请号：US17633219

申请日：2021-04-26

Applicant: BOE Technology Group Co., Ltd.

Inventor： Xing Fan ,  Shantao Chen ,  Xin Li ,  Hao Gao ,  Cheng Han ,  Yansong Li

IPC: H10K59/122 ,  H10K59/12 ,  H10K59/80 ,  H10K102/00

Abstract: A display substrate includes a first electrode layer, a pixel define layer, an organic light-emitting layer, a second electrode layer and a first encapsulation layer which are sequentially disposed away from an base substrate. The pixel define layer has a plurality of openings, at least one of which exposes the first electrode layer. The pixel define layer has a first climbing part and a second climbing part close to the edge of at least one opening, the distance from a surface of the second climbing part away from the base substrate to the base substrate is greater than the distance from a surface of the first climbing part away from the base substrate to the base substrate, and the slope angle of the first climbing part is different from that of the second climbing part.