公开(公告)号：US12142211B2

公开(公告)日：2024-11-12

申请号：US17795869

申请日：2021-09-15

Applicant: Yunnan Invensight Optoelectronics Technology Co., Ltd. ,  BOE Technology Group Co., Ltd.

Inventor： Junbo Wei ,  Dachao Li ,  Shengji Yang ,  Pengcheng Lu ,  Kuanta Huang ,  Zhijian Zhu ,  Yuanlan Tian

IPC: G09G3/3233 ,  G09G3/00

Abstract: A display substrate, a pixel circuit, a driving method and a display device are provided. The display substrate includes a substrate and a plurality of repeating units arranged in an array on one side of the substrate, each repeating unit includes at least two light emitting elements and at least two pixel circuits, each pixel circuit includes a first transistor, a second transistor and a third transistor, and the third transistor is configured to drive the light emitting element to emit light; each repeating unit further includes a first region, a second region and a third region arranged continuously in the first direction, the first region includes at least two of the first transistors, the third region including at least two of the third transistors, and the type of the first transistor and the type of the third transistor are different.

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.

公开(公告)号：US11957013B2

公开(公告)日：2024-04-09

申请号：US17260248

申请日：2020-03-27

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Zhijian Zhu ,  Pengcheng Lu ,  Yu Ao ,  Yunlong Li ,  Yuanlan Tian

IPC: H10K59/131 ,  G09G3/00 ,  H10K50/844

CPC classification number: H10K59/131 ,  G09G3/006 ,  H10K50/844

Abstract: A display panel includes: a silicon-based substrate, a driving layer, a first electrode layer, an organic light emitting layer, a second electrode layer and a plurality of pads. The display signal access pad is configured to access the display signal during a display phase, the test signal access pad at least includes a first group of test phase access pads, and the first group of test phase access pads includes a first pad and a second pad, the first pad is electrically connected with the electrode ring, and the second pad is electrically connected with the silicon-based substrate.

公开(公告)号：US11903298B2

公开(公告)日：2024-02-13

申请号：US17259373

申请日：2020-03-27

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Junbo Wei ,  Shengji Yang ,  Kuanta Huang ,  Pengcheng Lu ,  Yuanlan Tian

IPC: H01L27/32 ,  H10K59/88 ,  H10K59/131 ,  H10K71/70 ,  H10K59/80 ,  H01L21/66 ,  H10K50/88 ,  H10K77/10 ,  H01L23/00 ,  H10K71/00 ,  H10K102/00

CPC classification number: H10K59/88 ,  H01L22/30 ,  H01L22/32 ,  H10K50/88 ,  H10K59/131 ,  H10K59/873 ,  H10K71/70 ,  H10K77/111 ,  H01L24/05 ,  H01L24/08 ,  H01L2224/05556 ,  H01L2224/05564 ,  H01L2224/05573 ,  H01L2224/08225 ,  H10K59/8731 ,  H10K71/851 ,  H10K2102/351

Abstract: A display panel includes a driving backplane, a plurality of detection pads, a light emitting function layer, and a flexible circuit board. The driving backplane has a pixel driving region and a peripheral region, and the peripheral region has bonding pads; an edge of the driving backplane is surrounded by a first section and a second section, and the bonding pads are located between the first section and the pixel driving region; a plurality of detection pads are disposed in and distributed along the second section; a light emitting function layer is disposed on the driving backplane and located in the pixel driving region; a flexible circuit board extends between the first section and the pixel driving region, and is bonded to the bonding pads; a first packaging layer is disposed on the light emitting function layer.

公开(公告)号：US11430853B2

公开(公告)日：2022-08-30

申请号：US16959214

申请日：2019-08-27

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Pengcheng Lu ,  Yunlong Li ,  Yuanlan Tian ,  Yu Ao

IPC: H01L29/18 ,  H01L27/32 ,  H01L51/52 ,  H01L51/56

Abstract: A display substrate and a manufacturing method and a display device are provided. The display substrate includes: a first electrode pattern, a connecting electrode pattern, a second electrode, and a light-emitting functional layer. The first electrode pattern is located in a display region and includes a plurality of first electrodes spaced apart from each other. The connecting electrode pattern is located in a peripheral region and includes a plurality of connecting electrodes. The second electrode is connected with the connecting electrode pattern, the second electrode and the first electrode pattern being spaced apart from each other. The light-emitting functional layer is located between the first electrode pattern and the second electrode, the connecting electrode pattern surrounds the first electrode pattern, and at least two of the plurality of connecting electrodes are each of a block shape and are spaced apart from each other.

公开(公告)号：US12238986B2

公开(公告)日：2025-02-25

申请号：US17441738

申请日：2020-12-16

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Yunlong Li ,  Pengcheng Lu ,  Longfei Fan ,  Dongsheng Li ,  Zhijian Zhu ,  Yuanlan Tian

IPC: H10K59/131 ,  H10K59/122 ,  H10K59/35 ,  H10K59/38 ,  H10K59/80 ,  H10K59/88 ,  H10K71/00 ,  H10K59/12

Abstract: This disclosure provides a display device, a display panel, and a fabrication method thereof. The display panel includes a driving backplane, a first electrode layer, a pixel definition layer, a light-emitting functional layer, and a second electrode layer. The first electrode layer is arranged on a side surface of the driving backplane and includes a first electrode and a transferring ring. The pixel definition layer covers the first electrode layer and the driving backplane. The light-emitting functional layer is arranged on a surface of the first electrode layer facing away from the driving backplane, and the light-emitting functional layer is in a range of a transferring area of the driving backplane. The second electrode layer covers the pixel definition layer and the light-emitting functional layer. A boundary of the second electrode layer is inside a boundary of the pixel definition layer and is connected with the transferring ring.

公开(公告)号：US12238983B2

公开(公告)日：2025-02-25

申请号：US16958821

申请日：2019-08-27

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Yunlong Li ,  Pengcheng Lu ,  Li Liu ,  Yu Ao ,  Yuanlan Tian ,  Zhijian Zhu ,  Dacheng Zhang

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

Abstract: A display substrate and a manufacturing method and a display device are provided. The display substrate includes: a first electrode pattern, a connecting electrode pattern, a second electrode, a light-emitting functional layer and a first dummy electrode pattern. The first electrode pattern is includes a plurality of first electrodes spaced apart from each other. 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 first dummy electrode pattern includes a plurality of first dummy electrodes; the connecting electrode pattern surrounds the first electrode pattern, the first dummy electrode pattern is located between the connecting electrode pattern and the first electrode pattern, and at least two of the plurality of first dummy electrodes are each of a block shape and are spaced apart from each other.

公开(公告)号：US11968879B2

公开(公告)日：2024-04-23

申请号：US17260562

申请日：2020-03-27

Applicant: BOE Technology Group Co., Ltd.

Inventor： Yunlong Li ,  Pengcheng Lu ,  Yu Ao ,  Zhijian Zhu ,  Yuanlan Tian ,  Dacheng Zhang

IPC: H10K59/88 ,  H01L23/544 ,  H10K50/856 ,  H10K59/131 ,  H10K59/38 ,  H10K71/00 ,  H10K77/10

CPC classification number: H10K59/88 ,  H01L23/544 ,  H10K50/856 ,  H10K59/131 ,  H10K59/38 ,  H10K71/00 ,  H10K77/10 ,  H01L2223/54426 ,  H10K71/851

Abstract: A display substrate, a manufacturing method thereof and a display apparatus are disclosed. The display substrate includes a silicon base substrate and a color film layer disposed on the silicon base substrate. A plurality of metal traces for connecting a display area and a cathode ring with a bonding area respectively are contained in the silicon base substrate. The color film layer includes a first align mark, and the first align mark has a hollowed-out structure. A projection of the first align mark on the silicon base substrate and projections of the metal traces on the silicon base substrate include overlapping areas.

公开(公告)号：US11758786B2

公开(公告)日：2023-09-12

申请号：US17259729

申请日：2020-03-18

Applicant: BOE Technology Group Co., Ltd.

Inventor： Li Liu ,  Pengcheng Lu ,  Rongrong Shi ,  Yuanlan Tian ,  Junbo Wei ,  Dacheng Zhang

IPC: H01L27/32 ,  H01L51/56 ,  H10K59/35 ,  H10K50/818 ,  H10K50/852 ,  H10K50/856 ,  H10K59/123 ,  H10K71/00 ,  H10K102/10

CPC classification number: H10K59/353 ,  H10K50/818 ,  H10K50/852 ,  H10K50/856 ,  H10K59/123 ,  H10K71/00 ,  H10K2102/102 ,  H10K2102/103

Abstract: The present disclosure provides an array substrate including a driving circuit board, and a first electrode layer, an insulating layer, and an anode structure sequentially stacked thereon. The anode structure includes a reflective layer, an intermediate dielectric layer, and a transparent conductive layer sequentially provided in a direction away from the driving circuit board. The array substrate has first, second, and third pixel regions. The anode structure includes first, second, and third anode structures. The first electrode layer includes first, second and third sub-portions. The first, second and third anode structures are coupled with the first, second and third sub-portions through first, second and third via holes in the insulating layer, respectively. A surface of the insulating layer in contact with the first, second and third anode structures is flush; and a thickness of the intermediate dielectric layer in the second, first and third anode structures increases sequentially.

公开(公告)号：US20230172037A1

公开(公告)日：2023-06-01

申请号：US16966718

申请日：2019-08-27

Applicant: BOE Technology Group Co., Ltd.

Inventor： Junbo Wei ,  Shengji Yang ,  Kuanta Huang ,  Pengcheng Lu ,  Yuanlan Tian ,  Xiaochuan Chen

IPC: H10K59/80 ,  G09G3/3266 ,  G09G3/3275 ,  H05K1/18 ,  H10K71/00 ,  H05K7/20

CPC classification number: H10K59/8794 ,  G09G3/3266 ,  G09G3/3275 ,  H05K1/189 ,  H10K59/873 ,  H10K71/00 ,  H05K7/20963 ,  H05K2201/10128 ,  G09G2310/0278

Abstract: A display device, a heat dissipation layer, an electronic device, and a method for manufacturing a display device are provided. The display device includes: a silicon-based organic light-emitting display panel, including a silicon substrate, a first electrode of a display element, an organic light-emitting layer, and a second electrode of the display element that are stacked sequentially; a flexible printed circuit board electrically connected to the silicon substrate; and a heat dissipation layer on a non-display side of the silicon-based organic light-emitting display panel, extending to the flexible printed circuit board to cover at least a part of the flexible printed circuit board. A gate drive circuit, a data drive circuit, and a pixel circuit are integrated on the silicon substrate, and the flexible printed circuit board is configured to transmit electrical signals to the gate drive circuit, the data drive circuit, and the second electrode of the display element.