公开(公告)号：US11217723B2

公开(公告)日：2022-01-04

申请号：US16712075

申请日：2019-12-12

Applicant: BOE Technology Group Co., Ltd.

Inventor： Pinfan Wang ,  Shantao Chen ,  Shuai Zhang ,  Ming Liu ,  Qiuhua Meng

IPC: H01L33/00 ,  H01L25/075 ,  G06F1/16

Abstract: The present disclosure provides a flexible display substrate, a method for manufacturing the same, and a flexible display device, and belongs to the technical field of display. Among them, the method for manufacturing a flexible display substrate includes: providing a carrier substrate; forming a flexible display substrate including a plurality of pre-cuts on the carrier substrate, with the plurality of pre-cuts exposing the carrier substrate; forming an inverted frustum structure on the carrier substrate at the plurality of pre-cuts, an orthogonal projection of a lower end surface of the inverted frustum structure on the carrier substrate is located within an orthogonal projection of an upper end surface of the inverted frustum structure on the carrier substrate; packaging the flexible display substrate; and peeling the flexible display substrate packaged from the carrier substrate.

公开(公告)号：US10998385B2

公开(公告)日：2021-05-04

申请号：US16399156

申请日：2019-04-30

Applicant: BOE Technology Group Co., Ltd.

Inventor： Yueping Zuo ,  Shuai Zhang ,  Shantao Chen

IPC: H01L27/32 ,  H01L51/52 ,  G06K9/00 ,  H01L51/56

Abstract: A display element, a method for fabricating the same, and a display device are provided. The display element includes: a blocking layer; a fingerprint sensor on one side of the blocking layer; a light-shielding layer on the side of the blocking layer away from the fingerprint sensor, wherein the light-shielding layer includes a first via-hole; a middle layer on the light-shielding layer; a pixel definition layer on the middle layer, wherein the pixel definition layer includes a second via-hole in which a cathode layer and a light-emitting layer are arranged; an antireflection coating on the pixel definition layer; and an anode layer on the light-emitting layer.

公开(公告)号：US12062725B2

公开(公告)日：2024-08-13

申请号：US17637479

申请日：2021-02-26

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Dong Li ,  Shantao Chen ,  Huijuan Zhang

IPC: H01L27/14 ,  H01L27/12 ,  H01L29/49 ,  H01L29/786

CPC classification number: H01L29/78696 ,  H01L27/124 ,  H01L27/1255 ,  H01L29/4908 ,  H01L29/78645

Abstract: The present disclosure provides a thin film transistor, a display panel and a display device. The thin film transistor includes a semiconductor material layer, a first insulating layer and a gate layer. The semiconductor material layer is at a side of a base substrate, and includes a first channel portion, a first doped portion and a second channel portion sequentially connected. The first insulating layer is at a side of the semiconductor material layer facing away from the base substrate. The gate layer is at a side of the first insulating layer facing away from the semiconductor material layer, and includes a first gate portion and a second gate portion. An orthographic projection of the first gate portion on the base substrate coincides with an orthographic projection of the first channel portion on the base substrate, and the first gate portion is configured to receive a gate driving signal.

公开(公告)号：US11436949B2

公开(公告)日：2022-09-06

申请号：US16914499

申请日：2020-06-29

Applicant: BOE Technology Group Co., Ltd.

Inventor： Huijuan Zhang ,  Shantao Chen ,  Fangxu Cao

IPC: G09F9/30 ,  H01L27/32 ,  H01L51/00 ,  H01L51/56

Abstract: The present disclosure provides a display substrate, a preparation method thereof and a display apparatus. The display substrate includes a flexible substrate and a compensation layer arranged on the flexible substrate, wherein an OLED pixel is arranged on the compensation layer, a surface of the compensation layer facing the OLED pixel being an inclined surface with respect to the flexible substrate.

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.

公开(公告)号：US20180217421A1

公开(公告)日：2018-08-02

申请号：US15322547

申请日：2016-05-23

Applicant: Boe Technology Group Co., Ltd.

Inventor： Shantao Chen ,  Huijuan Zhang ,  Yidong Guo

IPC: G02F1/1337 ,  G02F1/1368 ,  G02F1/1333 ,  H01L27/12

CPC classification number: G02F1/1337 ,  G02F1/133371 ,  G02F1/1368 ,  G02F2001/133357 ,  G02F2201/123 ,  H01L27/1214 ,  H01L27/1285 ,  H01L29/04 ,  H01L29/66757 ,  H01L29/78675

Abstract: Embodiments of the present disclosure provide a display substrate and manufacturing method thereof and a display device. The method of manufacturing the display substrate comprises: forming a pattern including an active layer on a base substrate using an amorphous silicon material, the active layer including at least one step region having a film thickness greater than a film thickness of other regions of the active layer; crystallizing the amorphous silicon material in the active layer into a polysilicon material.

公开(公告)号：US20250040350A1

公开(公告)日：2025-01-30

申请号：US18280590

申请日：2022-07-29

Applicant: BOE Technology Group Co., Ltd.

Inventor： Renrong Gai ,  Shantao Chen ,  Zunqing Song ,  Dengyun Chen ,  Jing Yang

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

Abstract: An organic light emitting diode display panel, a manufacturing method thereof and a display device are provided, the organic light emitting diode display panel includes: a pixel defining layer, which includes a first opening, a second opening and a pixel defining structure between the first opening and the second opening, the first opening is provided with a light emitting layer and a first electrode which are stacked, the second opening is not provided with the light emitting layer; a first lateral edge of the pixel defining structure adjacent to the first opening forms a first included angle with a plane parallel to a main surface of the base substrate, and a second lateral edge of the pixel defining structure adjacent to the second opening forms a second included angle with a plane parallel to the base substrate, the first included angle is smaller than the second included angle.

公开(公告)号：US10886482B2

公开(公告)日：2021-01-05

申请号：US16452946

申请日：2019-06-26

Applicant: BOE Technology Group Co., Ltd.

Inventor： Shuai Zhang ,  Xiaolong Li ,  Yueping Zuo ,  Shantao Chen ,  Qiuhua Meng ,  Ming Liu

IPC: H01L51/00 ,  H01L51/52 ,  H01L27/32 ,  H01L33/12 ,  H01L29/78 ,  C08L63/00 ,  G03F7/00 ,  H05K1/02 ,  B82Y10/00 ,  B82Y40/00

Abstract: A flexible display panel, a manufacturing method thereof and a display device are provided. The flexible display panel includes: a flexible substrate, a first metal layer formed on the substrate, an insulation layer overlying the first metal layer, and a second metal layer disposed on the insulation layer, wherein a plurality of via holes are provided in the insulation layer, the inner wall of each via hole is covered by a stress buffer layer and the second metal layer is formed on the stress buffer layer and connected to the first metal layer through the via holes.

公开(公告)号：US10007032B2

公开(公告)日：2018-06-26

申请号：US15159197

申请日：2016-05-19

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Shantao Chen ,  Chienhung Liu

IPC: G03B27/54 ,  G02B3/00 ,  G03F7/20

CPC classification number: G02B3/0006 ,  G02B3/0037 ,  G03F7/70275

Abstract: The present invention discloses an exposure device including: a mask plate, on which a mask pattern is provided; and a first micro lens layer, provided at a light outputting side of the mask plate, wherein the first micro lens layer utilizes light that passes through the mask plate to form a reduced real image of the mask pattern, the real image is located at one side of the first micro lens layer, and the mask plate is located at other side of the first micro lens layer. In the present invention, by utilizing the characteristics of micro lenses, a reduced real image for the mask patter is formed and then projected onto the substrate to be exposed, which effectively increases precision and resolution of exposure and reduces equipment cost and development cost.