公开(公告)号：US11805686B2

公开(公告)日：2023-10-31

申请号：US17260257

申请日：2020-03-27

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Chao Pu ,  Shengji Yang ,  Kuanta Huang ,  Pengcheng Lu ,  Xiaochuan Chen

IPC: H10K59/131 ,  H10K77/10

CPC classification number: H10K59/131 ,  H10K77/10

Abstract: The present disclosure relates to the field of display technologies and, in particular to a display panel and a display device. The display panel includes a circuit board assembly, a plurality of sub-pixels, a base substrate, and a plurality of connecting wires. The circuit board assembly includes a plurality of first bonding pads; a plurality of second bonding pads are disposed in the non-display area of the base substrate; the plurality of connecting wires connect the plurality of first bonding pads and the plurality of second bonding pads. Adjacent connecting wires have different maximum stretchable heights in a direction perpendicular to the base substrate.

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.

公开(公告)号：US11580782B2

公开(公告)日：2023-02-14

申请号：US17269550

申请日：2020-05-29

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Qing Wang ,  Shengji Yang ,  Xiaochuan Chen ,  Kuanta Huang

IPC: H01L51/50 ,  G06V40/19 ,  G02F1/1335 ,  H01L27/32 ,  H04N5/225 ,  G06V10/141 ,  G06V10/147 ,  G06V40/18 ,  G06F21/32

Abstract: Embodiments of the present invention provide a display panel, including a display region, wherein the display region includes an iris recognition region; the display panel further includes a light conversion layer disposed in the iris recognition region, the light conversion layer is configured to convert visible light incident on the light conversion layer into infrared light, and the infrared light is emitted from a display side of the display panel.

公开(公告)号：US11569482B2

公开(公告)日：2023-01-31

申请号：US16772937

申请日：2019-08-23

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Hui Tong ,  Yongfa Dong ,  Qing Wang ,  Kuanta Huang

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

Abstract: Disclosed are a display panel, a manufacturing method thereof, and a display device. The display panel includes a base substrate and sub-pixels thereon. At least one sub-pixel includes: a light emitting element including a first electrode, a luminous functional layer and a second electrode sequentially stacked, the first electrode being closer to the base substrate than the second electrode; a metal reflective layer, between the base substrate and the first electrode; a silicon nitride layer, between the first electrode and the metal reflective layer, and including a first via hole through which the first electrode is connected with the metal reflective layer; a driving circuit including a driving transistor and a storage capacitor between the base substrate and the metal reflective layer, the driving transistor including a gate electrode connected with the storage capacitor, and source and drain electrodes, one of which is connected with the metal reflective layer.

公开(公告)号：US11539017B2

公开(公告)日：2022-12-27

申请号：US16960046

申请日：2019-08-23

Applicant: BOE TECHNOLOGY GROUP CO., LTD

Inventor： Shengji Yang ,  Hui Wang ,  Xiaochuan Chen ,  Kuanta Huang ,  Yanming Wang ,  Pengcheng Lu ,  Yage Song ,  Guangtong Liu ,  Jiantong Li

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

Abstract: A display substrate and a manufacturing method thereof are provided. The display substrate includes a base substrate, as well as a first conductive layer, an organic functional layer and a second conductive layer which are on the base substrate sequentially, and the organic functional layer includes a carrier injection layer including a first carrier injection layer portion and a second carrier injection layer portion which are in a first sub-pixel area and a second sub-pixel area respectively; the display substrate further includes a spacer which separates the first carrier injection layer portion and the second carrier injection layer portion, and the carrier injection layer further includes a third carrier injection layer portion which is separated from the first carrier injection layer portion and the second carrier injection layer portion respectively.

公开(公告)号：US11424295B2

公开(公告)日：2022-08-23

申请号：US16903347

申请日：2020-06-16

Applicant: BOE Technology Group Co., Ltd.

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

IPC: H01L29/08 ,  H01L27/32 ,  H01L51/52 ,  H01L51/56

Abstract: Provided are a display substrate, a preparation method thereof, and a display apparatus. The display substrate includes: a base substrate, a light emitting structure layer disposed on the base substrate, a color filter layer including a plurality of sub-pixels and disposed on a light emitting side of the light emitting structure layer, and a pinhole thin film structure layer disposed on a light emitting side of the color filter layer, the pinhole thin film structure layer including a plurality of amplification structures, the amplification structures corresponding to the sub-pixels one by one, and an orthographic projection of the amplification structures on the base substrate being inside an orthographic projection of the sub-pixels corresponding to the amplification structures on the base substrate, and the amplification structures being configured to amplify images of the sub-pixels corresponding to the amplification structures.

公开(公告)号：US20220209178A1

公开(公告)日：2022-06-30

申请号：US17437460

申请日：2020-12-04

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Chao Pu ,  Shengji Yang ,  Pengcheng Lu ,  Kuanta Huang ,  Xiaochuan Chen ,  Junbo Wei

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

Abstract: A display panel, a method of manufacturing a display panel, and a display device are provided. The display panel includes: a substrate; a light-emitting device layer arranged on the substrate; a first thin film encapsulation layer including at least one organic layer; a color filter layer; a second thin film encapsulation layer including at least one organic layer; and an adhesive film layer arranged on at least one side of the color filter layer, wherein the adhesive film layer is in direct contact with the color filter layer, and the adhesive film layer and the color filter layer are stacked, and a material of the adhesive film layer has a viscosity greater than a viscosity of a material of the organic layer in each of the first thin film encapsulation layer and the second thin film encapsulation layer.

公开(公告)号：US11238802B2

公开(公告)日：2022-02-01

申请号：US17042575

申请日：2020-03-17

Applicant: YUNNAN INVENSIGHT OPTOELECTRONICS TECHNOLOGY CO., LTD. ,  BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Rongrong Shi ,  Shengji Yang ,  Kuanta Huang ,  Xiaochuan Chen ,  Pengcheng Lu

IPC: G09G3/3258 ,  G09G3/3266 ,  G09G3/3275 ,  G09G3/20

Abstract: A pixel circuit and a driving method thereof, a display panel, and a display device. The pixel circuit includes a driving circuit, a first switching circuit, a second switching circuit, and a first reset circuit. The driving circuit is configured to drive a light-emitting element to emit light, the first switching circuit is configured to be turned on in response to a first scanning signal to transmit a data signal to a control terminal of the driving circuit, the second switching circuit is configured to be turned on in response to a light-emitting control signal to transmit a first power signal to a first terminal of the driving circuit, and the first reset circuit is configured to be turned on in response to a first reset control signal to transmit a reset signal to the first terminal of the driving circuit.

公开(公告)号：US20220006062A1

公开(公告)日：2022-01-06

申请号：US16959480

申请日：2019-08-23

Applicant: BOE Technology Group Co., Ltd.

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

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

Abstract: A light-emitting diode (LED) display panel, a manufacturing method thereof, and an organic light-emitting diode (OLED) display device are disclosed. The LED display panel includes: a base substrate; and a plurality of sub-pixels, a color resistance layer and a light-shielding structure located on the base substrate. The base substrate includes a display region and a periphery region; the sub-pixels are located in the display region; the light-shielding structure is an annular structure located in the periphery region. The light-shielding structure includes a first light-shielding structure and a second light-shielding structure located at a side of the first light-shielding structure away from the base substrate, a second orthographic projection of the second light-shielding structure on the base substrate is located within a first orthographic projection of the first light-shielding structure on the base substrate, and the first orthographic projection is not completely coincident with the second orthographic projection.

公开(公告)号：US12245455B2

公开(公告)日：2025-03-04

申请号：US17641316

申请日：2021-01-08

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

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

IPC: H10K50/13 ,  H10K50/844 ,  H10K50/856 ,  H10K71/00 ,  H10K102/00 ,  H10K102/10

Abstract: A display substrate includes a substrate and a light-emitting device layer which includes a first electrode layer, a light-emitting functional layer, and a second electrode layer that are sequentially stacked in a direction away from the substrate. The first electrode layer includes a reflective layer, an insulating layer, and a transparent conductive layer that are sequentially stacked in the direction away from the substrate. In a red sub-pixel region, a thickness of a first portion of the insulating layer is within a range of about 1000 Å to about 2500 Å. In a green sub-pixel region, a thickness of a second portion of the insulating layer is within a range of about 500 Å to about 2000 Å. In a blue sub-pixel region, a thickness of a third portion of the insulating layer is within a range of about 1500 Å to about 3000 Å.