公开(公告)号：US12185565B2

公开(公告)日：2024-12-31

申请号：US17258614

申请日：2020-03-31

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Kui Zhang ,  Li Liu ,  Pengcheng Lu ,  Yunlong Li ,  Dacheng Zhang

IPC: H10K50/844 ,  H10K59/38 ,  H10K71/00

Abstract: The present disclosure provides a display panel, a method for preparing the same, and a display device. The display panel includes: a display substrate, including a base substrate, a driving transistor embedded on the base substrate, and a first electrode layer located on the base substrate; an encapsulation protection structure located on the display substrate and surrounding a display area of the display substrate; a light emitting layer located on a surface of the first electrode layer away from the base substrate; a second electrode layer located on a surface of the light emitting layer away from the base substrate; and a first encapsulation layer located on a surface of the second electrode layer away from the base substrate.

公开(公告)号：US11974472B2

公开(公告)日：2024-04-30

申请号：US16958921

申请日：2019-08-27

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Yunlong Li ,  Pengcheng Lu ,  Kui Zhang ,  Li Liu ,  Kuanta Huang ,  Shengji Yang ,  Xiaochuan Chen ,  Dacheng Zhang

IPC: H10K59/131 ,  H10K50/844 ,  H10K71/00 ,  H10K59/12 ,  H10K59/88

CPC classification number: H10K59/131 ,  H10K50/844 ,  H10K71/00 ,  H10K59/1201 ,  H10K59/88

Abstract: A display substrate and a manufacturing method and a display device are provided. The display substrate includes: a base substrate, a first insulation layer, a first electrode pattern, a connecting electrode pattern, a second electrode, a light-emitting functional layer, and a first filling layer. The second electrode is connected with the connecting electrode pattern, the second electrode and the first electrode pattern are spaced apart from each other. The light-emitting functional layer is located between the first electrode pattern and the second electrode. The first filling layer is located between the connecting electrode pattern and the first electrode pattern. The first filling layer and the light-emitting functional layer are different layers; a portion of the first insulation layer that is located between the first electrode pattern and the connecting electrode pattern has a groove, and the first filling layer is at least partially located in the groove.

公开(公告)号：US11749691B2

公开(公告)日：2023-09-05

申请号：US17847877

申请日：2022-06-23

Applicant: BOE Technology Group Co., Ltd.

Inventor： Kui Zhang ,  Pengcheng Lu ,  Li Liu ,  Yunlong Li ,  Dacheng Zhang

IPC: H01L27/12

CPC classification number: H01L27/1244 ,  H01L27/1259

Abstract: An electronic device substrate, a manufacturing method thereof, and an electronic device are provided. The electronic device substrate includes a base substrate, a first insulating layer, and light-emitting sub-units, a first conductive member and a second conductive member, which are on a side of the first insulating layer away from the base substrate. The light-emitting sub-units and the first conductive member are respectively in array region and periphery region, and the second conductive member is between the first conductive member and the array region; orthogonal projections of the first and second conductive members on the base substrate are spaced apart; each light-emitting sub-unit includes first and second driving electrodes, second driving electrodes of the light-emitting sub-units are integrated to form a first common electrode layer; the periphery region further includes a second common electrode layer electrically connected to the first conductive member and the first common electrode layer.

公开(公告)号：US11557615B2

公开(公告)日：2023-01-17

申请号：US17359616

申请日：2021-06-27

Applicant: Chengdu BOE Optoelectronics Technology Co., Ltd. ,  BOE Technology Group Co., Ltd.

Inventor： Li Liu ,  Quan Liu ,  Jian Teng ,  Minghui Wang ,  Xing Xiong ,  Qinya Cao ,  Yun Wang

IPC: H01L27/12 ,  H01L27/32 ,  H01L21/311 ,  H01L51/00 ,  G09F9/30 ,  G09F9/33 ,  H01L51/56

Abstract: A method of manufacturing a display substrate which includes a central display area and an arc-shaped stretch area located at a corner of the central display area, wherein the method includes: preparing a substrate to be etched, which includes a flexible substrate, a stack structure disposed on the flexible substrate, and a last-dry-etched metal layer disposed on a side of the stack structure away from the flexible substrate, the stack structure including an active layer, at least one conductive layer, and a plurality of insulating layers, wherein the last-dry-etched metal layer is a last metal layer that is formed through dry etching; and forming a stretch groove by patterning the substrate to be etched, wherein the stretch groove is disposed in the stretch area and passes through the stack structure and a part of the flexible substrate. A display substrate, a display panel and a display device are further provided.

公开(公告)号：US20220336503A1

公开(公告)日：2022-10-20

申请号：US17847877

申请日：2022-06-23

Applicant: BOE Technology Group Co., Ltd.

Inventor： Kui Zhang ,  Pengcheng Lu ,  Li Liu ,  Yunlong Li ,  Dacheng Zhang

IPC: H01L27/12

Abstract: An electronic device substrate, a manufacturing method thereof, and an electronic device are provided. The electronic device substrate includes a base substrate, a first insulating layer, and light-emitting sub-units, a first conductive member and a second conductive member, which are on a side of the first insulating layer away from the base substrate. The light-emitting sub-units and the first conductive member are respectively in array region and periphery region, and the second conductive member is between the first conductive member and the array region; orthogonal projections of the first and second conductive members on the base substrate are spaced apart; each light-emitting sub-unit includes first and second driving electrodes, second driving electrodes of the light-emitting sub-units are integrated to form a first common electrode layer; the periphery region further includes a second common electrode layer electrically connected to the first conductive member and the first common electrode layer.

公开(公告)号：US11183542B2

公开(公告)日：2021-11-23

申请号：US16960573

申请日：2019-08-23

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Li Liu ,  Junbo Wei ,  Pengcheng Lu ,  Shengji Yang ,  Yunlong Li ,  Rongrong Shi ,  Dacheng Zhang

IPC: H01L29/08 ,  H01L27/32 ,  H01L51/50 ,  H01L51/56

Abstract: A display panel and a method for manufacturing a display panel are disclosed. The display panel includes a first sub-pixel region and a second sub-pixel region which are adjacent to each other. The display panel includes a substrate and a first conductive layer, an organic functional layer, and a second conductive layer which are sequentially on the substrate. The organic functional layer includes a charge generation layer, and the charge generation layer includes a first charge generation layer portion and a second charge generation layer portion which are in the first sub-pixel region and the second sub-pixel region, respectively. The display panel further includes a spacer between the first sub-pixel region and the second sub-pixel region, and the spacer disconnects the first charge generation layer portion and the second charge generation layer portion.

公开(公告)号：US11005063B2

公开(公告)日：2021-05-11

申请号：US16830087

申请日：2020-03-25

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Li Liu ,  Xiaochuan Chen ,  Shengji Yang ,  Kuanta Huang ,  Pengcheng Lu ,  Yongfa Dong

IPC: H01L33/00 ,  H01L51/52 ,  H01L51/56 ,  H01L27/32

Abstract: A display substrate and a method for manufacturing the same are provided. The display substrate includes: a base substrate; a first-color sub-pixel region and a second-color sub-pixel region on the base substrate. The first-color sub-pixel region includes: a first reflective layer, a first isolation layer and a first anode layer, the first reflective layer and the first anode layer being electrically connected with each other through a first connection element which penetrates through the first isolation layer. The second-color sub-pixel region includes: a second reflective layer, a second isolation layer and a second anode layer, the second reflective layer and the second anode layer being electrically connected with each other through a second connection element which penetrates through the second isolation layer. Thicknesses of the first isolation layer and the second isolation layer are different.

公开(公告)号：US20210098748A1

公开(公告)日：2021-04-01

申请号：US16830087

申请日：2020-03-25

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Li Liu ,  Xiaochuan Chen ,  Shengji Yang ,  Kuanta Huang ,  Pengcheng Lu ,  Yongfa Dong

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

Abstract: A display substrate and a method for manufacturing the same are provided. The display substrate includes: a base substrate; a first-color sub-pixel region and a second-color sub-pixel region on the base substrate. The first-color sub-pixel region includes: a first reflective layer, a first isolation layer and a first anode layer, the first reflective layer and the first anode layer being electrically connected with each other through a first connection element which penetrates through the first isolation layer. The second-color sub-pixel region includes: a second reflective layer, a second isolation layer and a second anode layer, the second reflective layer and the second anode layer being electrically connected with each other through a second connection element which penetrates through the second isolation layer. Thicknesses of the first isolation layer and the second isolation layer are different.

公开(公告)号：US12268079B2

公开(公告)日：2025-04-01

申请号：US17779784

申请日：2021-02-03

Applicant: BOE Technology Group Co., Ltd.

Inventor： Li Liu ,  Junbo Wei ,  Pengcheng Lu ,  Shengji Yang ,  Kuanta Huang ,  Rongrong Shi ,  Yuanlan Tian ,  Dacheng Zhang

IPC: H10K59/80 ,  H10K59/12 ,  H10K59/123 ,  H10K59/124 ,  H10K59/131 ,  H10K102/00 ,  H10K102/10

Abstract: A display substrate includes: a wafer base (1) provided with a transistor; a metal reflective structure (2) on the wafer base, the metal reflective structure being electrically connected to the transistor, and being provided with a protrusion (21) protruding away from the wafer base; a first insulation layer (3) on a side of the metal reflective structure away from the wafer base, a surface of a portion of the first insulation layer corresponding to the metal reflective structure and facing away from the metal reflective structure being flush with a top face of the protrusion; and a transparent anode (4) on a side of the first insulation layer facing away from the metal reflective structure, the transparent anode being in contact connection with the top face of the protrusion.

公开(公告)号：US11997891B2

公开(公告)日：2024-05-28

申请号：US17259465

申请日：2020-03-24

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Li Liu ,  Pengcheng Lu ,  Rongrong Shi ,  Yuanlan Tian ,  Xiao Bai ,  Dacheng Zhang

IPC: H10K59/131 ,  H10K59/12 ,  H10K71/00

CPC classification number: H10K59/131 ,  H10K71/00 ,  H10K59/1201

Abstract: Provided is display substrate, including driving circuit board, and first electrode layer, insulating layer, second electrode layer, isolation layer, transparent conductive layer sequentially stacked thereon. Driving circuit board includes pixel and bonding regions. First electrode layer includes first sub-portion in bonding region and second sub-portion in pixel region. Insulating and isolation layers are partially cover bonding and pixel regions. Insulating layer has first via hole in area corresponding to first sub-portion. Isolation layer has second via hole in the area. Axes of first and second via holes coincide, first sub-portion is exposed at first and second via holes. Second electrode layer is in pixel region, coupled to second sub-portion through third via hole in area corresponding to second sub-portion. Isolation layer has fourth via hole in area corresponding to second electrode layer. Transparent conductive layer is in pixel region, coupled to second electrode layer through fourth via hole.