公开(公告)号：US20240130202A1

公开(公告)日：2024-04-18

申请号：US18278913

申请日：2022-10-18

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

Inventor： Chao Pu ,  Shengji Yang ,  Junyan Yang ,  Xiaochuan Chen ,  Kuanta Huang ,  Pengcheng Lu ,  Dachao Li ,  Rongrong Shi ,  Junbo Wei ,  Xiao Bai ,  Bo Yang

IPC: H10K59/80

CPC classification number: H10K59/879 ,  H10K59/80521

Abstract: A display panel includes an active area and a peripheral area surrounding the active area, and the display panel further includes: a substrate and a plurality of light emitting devices arranged on the substrate in array, wherein the plurality of light emitting devices are located at least in the active area; a conducting layer comprising a cathode ring and cathodes of the plurality of light emitting devices, wherein the cathode ring is located in the peripheral area, and the cathode ring surrounds the active area; and a lens layer located at a side of the light emitting devices away from the substrate, wherein the lens layer extends from the active area to the peripheral area; wherein an orthographic projection of the lens layer on the substrate is located within an area delineated by an outer contour of an orthographic projection of the cathode ring on the substrate.

公开(公告)号：US11930674B2

公开(公告)日：2024-03-12

申请号：US17261034

申请日：2020-03-27

Applicant: BOE Technology Group Co., Ltd.

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

IPC: H10K59/131 ,  H10K59/12 ,  H10K59/124 ,  H10K71/16

CPC classification number: H10K59/131 ,  H10K59/1201 ,  H10K59/124 ,  H10K71/162

Abstract: Provided is a display substrate, including: a silicon-based substrate having a display area, a binding area located on one side of the display area, and a trace area located between the display area and the binding area; a trace protection structure is arranged on the silicon-based substrate in the trace area, and a pad assembly is integrated in the silicon-based substrate in the binding area; and a minimum distance between an edge of an orthographic projection of the trace protection structure on the silicon-based substrate and an edge of an orthographic projection of an opening of the pad assembly on the silicon-based substrate is smaller than a maximum size of one subpixel.

公开(公告)号：US11930673B2

公开(公告)日：2024-03-12

申请号：US17258762

申请日：2020-03-27

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

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

IPC: H10K59/131

CPC classification number: H10K59/131

Abstract: A display panel includes a drive backplane, a transparent insulating layer and a light-emitting device layer. The drive backplane includes a driving circuit layer, a metal wiring layer, a first insulating layer and a reflective electrode layer. The first insulating layer has first via holes filled with first metal connectors. The reflective electrode layer includes first reflective electrodes respectively connected with the metal wiring layer through the first metal connectors. The light-emitting device layer includes a pixel electrode layer, an organic light-emitting layer and a common electrode layer. The pixel electrode layer includes first pixel electrodes respectively connected with the first reflective electrodes through the connection via holes. A distance between an orthographic projection of the connection via hole on the pixel electrode layer and an edge of the first pixel electrode is not less than a first threshold value.

公开(公告)号：US11871595B2

公开(公告)日：2024-01-09

申请号：US17423864

申请日：2021-01-05

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Li Liu ,  Pengcheng Lu ,  Shengji Yang ,  Kui Zhang

IPC: H01L51/50 ,  H01L51/52 ,  H01L51/56 ,  H10K50/17 ,  H10K50/81 ,  H10K50/82 ,  H10K50/844 ,  H10K71/00 ,  H10K102/00

CPC classification number: H10K50/17 ,  H10K50/81 ,  H10K50/82 ,  H10K50/844 ,  H10K71/00 ,  H10K2102/351

Abstract: This disclosure relates to an organic electroluminescent structure, a fabrication method thereof, and a display device. The organic electroluminescent structure includes a base substrate; a passivation protective layer formed at a side of the base substrate, in which the passivation protective layer is formed with a plurality of inner cutting portions arranged at intervals at a side facing away from the base substrate; an anode layer including a plurality of anodes arranged at intervals, and each of the anodes is correspondingly formed on the second surface; an organic light-emitting functional layer having a hole injection layer, in which the hole injection layer includes a plurality of hole injection blocks arranged at intervals, and each of the hole injection blocks is correspondingly formed on one anode; and a cathode layer formed at a side of the organic light-emitting functional layer facing away from the anode layer.

公开(公告)号：US11783777B2

公开(公告)日：2023-10-10

申请号：US16916671

申请日：2020-06-30

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Shengji Yang ,  Xiaochuan Chen ,  Hui Wang ,  Kuanta Huang ,  Pengcheng Lu

IPC: G09G3/325 ,  G09G3/3283 ,  G09G3/3266 ,  G09G3/3233

CPC classification number: G09G3/325 ,  G09G3/3233 ,  G09G3/3266 ,  G09G3/3283 ,  G09G2310/027

Abstract: Disclosed are a pixel circuit and a driving method thereof, a display substrate and a driving method thereof, and a display apparatus. The pixel circuit includes a pixel sub-circuit, which includes: a driving circuit, including a control terminal, a first terminal and a second terminal; a voltage transmitting circuit, configured, in response to a transmission control signal, to apply a reset voltage and/or a first power voltage to the first terminal, respectively; and a data writing circuit, configured, in response to a scan signal, to write a data signal into the control terminal and store the data signal. The driving circuit is configured to control a voltage of the second terminal according to the data signal of the control terminal and the voltage of the first terminal, and to generate a driving current for driving a light-emitting element to emit light based on the voltage of the second terminal.

公开(公告)号：US11765933B2

公开(公告)日：2023-09-19

申请号：US17213532

申请日：2021-03-26

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

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

IPC: H10K59/121 ,  G09G3/3225 ,  H10K50/844 ,  H10K59/38 ,  H10K59/126 ,  H10K71/00 ,  H10K77/10 ,  H10K59/12

CPC classification number: H10K59/121 ,  G09G3/3225 ,  H10K50/844 ,  H10K59/126 ,  H10K59/38 ,  H10K71/00 ,  H10K77/10 ,  G09G2320/0233 ,  H10K59/1201

Abstract: A silicon-based OLED display substrate, a manufacturing method thereof and a display device are provided. The display substrate includes: a silicon-based base and a device layer arranged on the silicon-based base. The silicon-based base includes a drive circuit layer. The drive circuit layer includes a drive circuit, an electrical connection bonding area, and a storage unit storing compensation voltage of each MOSFET of the drive circuit. An orthographic projection of the drive circuit on the silicon-based base, an orthographic projection of the storage unit on the silicon-based base, and an orthographic projection of the electrical connection binding area on the silicon-based base do not overlap with each other.

公开(公告)号：US11600748B2

公开(公告)日：2023-03-07

申请号：US16959169

申请日：2019-07-10

Applicant: BOE Technology Group Co., Ltd.

Inventor： Shengji Yang ,  Xiaochuan Chen ,  Hui Wang ,  Pengcheng Lu

IPC: G06F3/044 ,  H01L27/15 ,  H01L33/04 ,  H01L33/62 ,  G06F3/041 ,  H01L25/16 ,  H01L33/38 ,  H01L33/32

Abstract: Provided is a display substrate including: a base substrate, a plurality of micro light-emitting diodes and a plurality of touch electrodes; wherein the micro light-emitting diode comprises: a first electrode, a light-emitting layer, and a second electrode that are sequentially arranged in a direction distal from the base substrate; and the touch electrode is disposed on a side of the micro LED distal from the base substrate. A manufacturing method of manufacturing a display substrate, a display panel, and a display device are also provided.

公开(公告)号：US11600234B2

公开(公告)日：2023-03-07

申请号：US16814119

申请日：2020-03-10

Applicant: ORDOS YUANSHENG OPTOELECTRONICS CO., LTD. ,  BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Weilin Lai ,  Yucheng Chan ,  Jianbang Huang ,  Dachao Li ,  Shengji Yang ,  Pengcheng Lu ,  Kuanta Huang ,  Xiaochuan Chen ,  Xue Dong ,  Hui Wang ,  Yanming Wang ,  Chen Xu ,  Dacheng Zhang ,  Yongfa Dong ,  Qing Wang ,  Hui Tong ,  Yunlong Li

IPC: H01L27/32 ,  G09G3/3291 ,  G09G3/3258 ,  G09G3/3266

Abstract: A display substrate and a driving method thereof are provided. The display substrate includes a base substrate containing a monocrystalline silicon layer, a thickness of the monocrystalline silicon layer being less than that of the base substrate; an array circuit layer, disposed on the base substrate and including a plurality of transistors, each of which has an active layer inside the monocrystalline silicon layer; and a plurality of light-emitting elements, located at a side of the array circuit layer away from the base substrate. The array circuit layer includes a scan driving circuit, a data driving circuit and a plurality of pixel sub-circuits, and the plurality of pixel sub-circuits are connected to the plurality of light-emitting elements, respectively, to form a plurality of sub-pixels.

公开(公告)号：US11588138B2

公开(公告)日：2023-02-21

申请号：US16959623

申请日：2019-08-16

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

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

IPC: H01L51/52 ,  H01L25/18 ,  H01L51/56 ,  H01L23/00 ,  H01L27/32 ,  H01L51/00

Abstract: A display device, an electronic device and a manufacturing method of a display device are disclosed. The display device includes a silicon-based organic light-emitting display panel, a heat dissipation film layer, and a flexible circuit board. The silicon-based organic light-emitting display panel includes a silicon substrate, a first electrode of a display component, an organic light-emitting layer, and a second electrode of the display component, which are stacked sequentially; the heat dissipation film layer is at a non-display side of the silicon-based organic light-emitting display panel; the flexible circuit board is at least partially at a side of the heat dissipation film layer away from the silicon-based organic light-emitting display panel; and the flexible circuit board is configured to transmit electrical signals to a gate drive circuit, a data drive circuit, and the second electrode of the display component.

公开(公告)号：US11587988B2

公开(公告)日：2023-02-21

申请号：US16958931

申请日：2019-08-27

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Yongfa Dong ,  Kuanta Huang ,  Shengji Yang ,  Pengcheng Lu ,  Qing Wang ,  Hui Tong ,  Yu Wang ,  Xiaobin Shen ,  Xiong Yuan ,  Dongsheng Li ,  Rongyuan Zou

IPC: H01L27/32 ,  H01L51/56 ,  G02B5/20 ,  G02B1/04 ,  C09D133/04 ,  C09D7/41 ,  C09D5/00 ,  C08K5/00 ,  C08K5/56 ,  C08K5/3417

Abstract: A preparation method of a color film layer, a display substrate and a preparation method thereof. The display substrate includes a bearing layer and repeating units, each repeating unit including a green film layer, a red film layer and a blue film layer, which are provided on the bearing layer and directly contacting a first surface of the bearing layer. On a plane parallel to the first surface of the bearing layer, in each repeating unit, the red film layer is provided on a first side of the green film layer, the blue film layer is provided on a second side of the green film layer opposite to the first side; one of the red film layer and the blue color film layer covers part of the green film layer; one part of the green film layer does not overlap with the red film layer and the blue film layer.