公开(公告)号：US20200273915A1

公开(公告)日：2020-08-27

申请号：US16551682

申请日：2019-08-26

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Qing Wang ,  Shengji Yang ,  Xiaochuan Chen

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

Abstract: An electroluminescent display panel, a method for manufacturing the same and a display apparatus are disclosed. The electroluminescent display panel includes: a silicon backplate; a light emitting device on the silicon backplate; a first sealing layer on a side of the light emitting device away from the silicon backplate; an adhesive layer on a side of the first sealing layer away from the light emitting device; and a color filter layer on a side of the adhesive layer away from the first sealing layer. The light emitting device includes a luminescent material, and the first sealing layer includes an anti-ultraviolet light material for preventing ultraviolet light from irradiating onto the luminescent material.

公开(公告)号：US12219795B2

公开(公告)日：2025-02-04

申请号：US17258433

申请日：2020-03-27

Applicant: BOE Technology Group Co., Ltd.

Inventor： Qing Wang ,  Kuanta Huang ,  Xiaochuan Chen ,  Dacheng Zhang

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

Abstract: Provided are a display substrate and a preparation method thereof, and a display device. The display substrate includes a base substrate, a light-emitting element disposed on the base substrate, and an encapsulation layer disposed on the light-emitting element, the display substrate further comprises a driving circuit connected with the light-emitting element and configured to drive the light-emitting element, the driving circuit comprises a driving transistor which comprises an active layer located inside the base substrate; the encapsulation layer comprises a first gradient layer and a second gradient layer stacked along a direction away from the base substrate, a content of oxygen element in the first gradient layer gradually decreases, and a content of carbon element in the second gradient layer gradually increases along the direction away from the base substrate.

公开(公告)号：US11882731B2

公开(公告)日：2024-01-23

申请号：US17264446

申请日：2020-04-21

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Kuanta Huang ,  Hui Tong ,  Xiong Yuan ,  Xiaobin Shen ,  Yu Wang ,  Qing Wang ,  Shipeng Li ,  Chao Yang ,  Shangquan Shi ,  Yongfa Dong ,  Dongsheng Li

IPC: H10K59/122 ,  H10K50/844 ,  H10K71/00 ,  H10K59/80

CPC classification number: H10K59/122 ,  H10K50/844 ,  H10K59/80521 ,  H10K71/00

Abstract: A display panel includes a substrate, a planarization layer disposed at a side of the substrate being provided with partitioning slots to form driving areas in an array; a first electrode layer on the planarization layer having first electrodes; wherein orthographic projections of the first electrodes on the planarization layer are within the driving areas; each of the first electrodes includes a planar center portion and an edge portion, the edge portion includes a planarization portion surrounding the center portion and a slope portion connected between the center portion and the planarization portion; a pixel definition layer on the planarization layer that exposes part of the center portion; a light-emitting functional layer covering the pixel definition layer, the center portion being exposed by the pixel definition layer and the planarization layer and a second electrode covering the light-emitting functional layer.

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：US11315982B2

公开(公告)日：2022-04-26

申请号：US16638576

申请日：2018-12-05

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Qingchao Zhou ,  Shengji Yang ,  Xiaochuan Chen ,  Qing Wang ,  Luyang Zhou

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

Abstract: A light emitting diode includes a pixel unit. The pixel unit may include a first sub-pixel configured to emit white light. The first sub-pixel may include a first microcavity adjustment layer, a scattering layer, a first transparent electrode layer, a first emitting layer, and a first semi-transparent electrode layer. The scattering layer includes a plurality of patterns formed on a surface of the scattering layer. The scattering layer may be configured to reduce color cast of the first sub-pixel to be less than about 0.025 at viewing angles in a range of about −50 degree to +50 degree.

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：US20210217825A1

公开(公告)日：2021-07-15

申请号：US16638576

申请日：2018-12-05

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Qingchao Zhou ,  Shengji Yang ,  Xiaochuan Chen ,  Qing Wang ,  Luyang Zhou

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

Abstract: The present disclosure is related to a light emitting diode. The light emitting diode may include a pixel unit. The pixel unit may include a first sub-pixel configured to emit white light. The first sub-pixel may include a first microcavity adjustment layer, a scattering layer, a first transparent electrode layer, a first emitting layer, and a first semi-transparent electrode layer. The scattering layer may be configured to reduce color cast of the first sub-pixel to be less than about 0.025 at viewing angles in a range of about −50 degree to +50 degree.

公开(公告)号：US11957023B2

公开(公告)日：2024-04-09

申请号：US17853325

申请日：2022-06-29

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

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

IPC: H10K59/38 ,  H10K50/86 ,  H10K59/12 ,  H10K59/126 ,  H10K71/00

CPC classification number: H10K59/38 ,  H10K50/86 ,  H10K59/1201 ,  H10K59/126 ,  H10K71/00

Abstract: A light-emitting diode display panel, a manufacturing method thereof, and an organic light-emitting diode display device are provided. The light-emitting diode display panel includes: a base substrate including a display region and a peripheral region surrounding the display region; a plurality of sub-pixels located in the display region and located at a side of the base substrate; a color-resistance layer located at a side of a second electrode in the sub-pixel away from the base substrate; and a light-blocking structure located in the peripheral region and being an annular structure surrounding the plurality of sub-pixels. The light-blocking structure includes a first light-blocking structure and a second light-blocking structure. The first light-blocking structure includes at least one interval extending in a direction from the display region pointing to the peripheral region. The second light-blocking structure at least fully fills the interval.

公开(公告)号：US10770671B2

公开(公告)日：2020-09-08

申请号：US16389196

申请日：2019-04-19

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Qingchao Zhou ,  Shengji Yang ,  Qing Wang ,  Xiaochuan Chen

IPC: H01L51/50 ,  H01L27/32 ,  H01L51/00 ,  H01L51/52

Abstract: The present disclosure provides a display panel, a display device, and a manufacturing method of the display panel. The display panel includes a light emitting unit; a color filter layer located on a light emission side of the light emitting unit; and a bonding structure located between the light emitting unit and the color filter layer configured to bond the light emitting unit and the color filter layer, wherein, the bonding structure comprises a quantum dot material for converting ultraviolet light into visible light.