公开(公告)号：US12268082B2

公开(公告)日：2025-04-01

申请号：US17799807

申请日：2021-11-10

Applicant: BOE Technology Group Co., Ltd.

Inventor： Wenqi Liu ,  Jinxiang Xue ,  Wei Quan ,  Qingyu Huang ,  Jingkai Ni

IPC: H10K77/10 ,  H10K59/12 ,  H10K59/127 ,  H10K59/131 ,  H10K59/80 ,  H10K71/80 ,  H10K102/00

Abstract: The present disclosure provides a stretchable display substrate and a manufacturing method. The stretchable display substrate includes: a base substrate, a plurality of opening patterns being distributed on the base substrate, a plurality of bridges being formed between adjacent ones of at least a part of opening patterns in the plurality of opening patterns to define islands; a plurality of display units, at least one display unit being arranged on each island; a plurality of wiring units each coupled between the display units on the islands and arranged on the bridge; and a thin film encapsulation layer including a first encapsulation portion covering a side of each display unit away from the base substrate and a second encapsulation portion at least covering a side of each display unit adjacent to the opening pattern. Each of at least a part of opening patterns has different opening sizes at a side of the base substrate adjacent to the display unit and a side of the base substrate away from the display unit, and the opening pattern has at least one step-like structure at a side adjacent to the island. According to the present disclosure, it is able to improve the reliability of a display element.

公开(公告)号：US11737332B2

公开(公告)日：2023-08-22

申请号：US17721218

申请日：2022-04-14

Applicant: BOE Technology Group Co., Ltd.

Inventor： Qingyu Huang ,  Huajie Yan ,  Liangliang Kang ,  Fudong Chen ,  Zhiqiang Jiao

IPC: H01L23/00 ,  H10K59/35 ,  H10K50/11 ,  H10K50/115 ,  H10K50/17 ,  H10K59/38 ,  H10K71/00 ,  H10K101/10 ,  H10K101/40

CPC classification number: H10K59/353 ,  H10K50/11 ,  H10K50/115 ,  H10K50/171 ,  H10K59/38 ,  H10K71/00 ,  H10K2101/10 ,  H10K2101/40

Abstract: A light emitting element, includes a first light emitting layer and a second light emitting layer sequentially stacked; and an intermediate layer between the first light emitting layer and the second light emitting layer, and being in direct contact with the first light emitting layer on one side and in direct contact with the second light emitting layer on another side. Each of the intermediate layer, the first light emitting layer, and the second light emitting layer includes a same host material. The intermediate layer is a non-light emitting layer, and is an undoped layer absent of a dopant for emitting light. The light emitting element is configured to emit a composite light including the first light of the first wavelength range and the second light of the second wavelength range. The first wavelength range includes wavelength longer than the second wavelength range.

公开(公告)号：US20240179934A1

公开(公告)日：2024-05-30

申请号：US18264490

申请日：2022-11-28

Applicant: BOE Technology Group Co., Ltd.

Inventor： Peng Wang ,  Qingyu Huang ,  Juan Zhang ,  Mengna Sun ,  Zhiqiang Jiao ,  Weijie Wang

IPC: H10K50/13 ,  H10K50/12

CPC classification number: H10K50/13 ,  H10K50/12

Abstract: A light emitting diode is provided. The light emitting diode includes a light emitting layer. The light emitting layer includes one or more first layers and one or more second layers in a stacked structure. A respective first layer of the one or more first layers includes an organic functional material of a first type doped with an organic functional material of a second type. A respective second layer of the one or more second layers includes an organic functional material of the first type without being doped with an organic functional material of the second type. The light emitting layer includes one or more double-layer structure stacked on each other, a respective double-layer structure including an individual second layer and an individual first layer stacked on the individual second layer.

公开(公告)号：US11348976B2

公开(公告)日：2022-05-31

申请号：US16769563

申请日：2019-08-07

Applicant: BOE Technology Group Co., Ltd.

Inventor： Qingyu Huang ,  Huajie Yan ,  Liangliang Kang ,  Fudong Chen ,  Zhiqiang Jiao

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

Abstract: A display panel having a plurality of subpixels is provided. The display panel includes a base substrate; a plurality of light emitting elements on the base substrate; and a quantum dot layer on a side of the plurality of light emitting elements away from the base substrate. A respective one of the plurality of light emitting elements includes a first light emitting layer and a second light emitting layer sequentially stacked. The first light emitting layer is configured to emit a first light of a first wavelength range. The second light emitting layer is configured to emit a second light of a second wavelength range. The plurality of light emitting elements are configured to respectively emit a composite light. The quantum dot blocks of different colors are configured to respectively convert the composite light into light of different colors respectively in different subpixels.

公开(公告)号：US11287687B2

公开(公告)日：2022-03-29

申请号：US16760294

申请日：2019-12-12

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Qingyu Huang ,  Zhiqiang Jiao ,  Huajie Yan ,  Juan Zhang ,  Xiaohu Li

IPC: G02F1/1335 ,  H01L27/32 ,  G09G3/36 ,  G09G3/3208 ,  H01L51/52 ,  G02F1/1333 ,  H01L51/56

Abstract: A display panel, a method for manufacturing the same, and a method for driving the same are provided, the display panel includes a base substrate; a plurality of pixel units on the base substrate; and a controller, at least one pixel unit comprising: a light-emitting element; a reflective layer provided on a light output side of the light-emitting element and configured to receive and reflect light emitted by the light-emitting element to generate reflected light; and an optical sensor configured to receive the reflected light and measure a light intensity of the reflected light, wherein the controller is configured to adjust a light-emitting intensity of the light-emitting element based on the light intensity, wherein the light-emitting element comprises a light-emitting layer, an orthographic projection of the reflective layer on the base substrate does not overlap with an orthographic projection of the light-emitting layer on the base substrate.

公开(公告)号：US20210142722A1

公开(公告)日：2021-05-13

申请号：US16641072

申请日：2019-08-30

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Huajie Yan ,  Qingyu Huang ,  Xiaohu Li ,  Tun Liu ,  Liangliang Kang ,  Juan Zhang ,  Zhiqiang Jiao

IPC: G09G3/3225 ,  G09G3/3291 ,  H01L27/32 ,  H01L51/52 ,  H01L51/56

Abstract: The present disclosure provides a display panel and a method for manufacturing the same, a pixel light emitting compensation method, and a display apparatus. The display panel comprises a plurality of pixel units arranged in an array, wherein each of the pixel units comprises: an array substrate comprising a pixel driving circuit; a pixel defining layer disposed on a first surface of the array substrate and having a via hole wherein the first surface is far away from a substrate of the array substrate; a light emitting unit disposed in the via hole, wherein the light emitting unit is electrically connected to an output terminal of the pixel driving circuit, so that driving current output by the pixel driving circuit drives the light emitting unit to emit light; and a photoelectric converter configured to receive the light emitted by the light emitting unit.

公开(公告)号：US12144236B2

公开(公告)日：2024-11-12

申请号：US17434409

申请日：2021-02-19

Applicant: BOE Technology Group Co., Ltd.

Inventor： Haibin Zhu ,  Qingyu Huang ,  Weijie Wang ,  Lu Wang ,  Guangcai Yuan ,  Fengjie Zhang ,  Dongliang Bai

IPC: H10K65/00 ,  H04B10/116 ,  H10K30/80 ,  H10K39/30

Abstract: Provided are a display substrate and a manufacturing method thereof, and a visible light communication apparatus. The display substrate includes a substrate, and the substrate includes a display region and a peripheral region surrounding the display region; the peripheral region includes a visible light signal receiving region surrounding the display region; the display substrate further includes a photosensitive sensing unit, the photosensitive sensing unit is located in the visible light signal receiving region and is configured to receive a visible light signal and convert the visible light signal into an electrical signal to achieve visible light communication.

公开(公告)号：US11910630B2

公开(公告)日：2024-02-20

申请号：US17359603

申请日：2021-06-27

Applicant: BOE Technology Group Co., Ltd.

Inventor： Qingyu Huang ,  Fudong Chen ,  Huajie Yan ,  Wenqi Liu ,  Zhiqiang Jiao

IPC: H10K50/125 ,  H10K50/15 ,  H10K50/16 ,  H10K50/17 ,  H10K71/00

CPC classification number: H10K50/125 ,  H10K50/15 ,  H10K50/16 ,  H10K50/17 ,  H10K71/00

Abstract: The present application provides a WOLED device and a preparation method thereof, a WOLED display panel. The WOLED device includes: an anode; a cathode, disposed opposite to the anode; a red-fluorescence emitting layer, disposed on a side of the anode close to the cathode; a green-fluorescence emitting layer, disposed on a side of the red-fluorescence emitting layer close to the cathode; an interlayer, disposed on a side of the green-fluorescence emitting layer; and a blue-fluorescence emitting layer, disposed on a side of the interlayer close to the cathode.

公开(公告)号：US20230329041A1

公开(公告)日：2023-10-12

申请号：US18041991

申请日：2022-03-04

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Zhiqiang Jiao ,  Lu Wang ,  Qingyu Huang ,  Peng Wang

IPC: H10K59/122 ,  H10K59/38 ,  H10K59/80 ,  H10K59/12 ,  H10K71/80

CPC classification number: H10K59/122 ,  H10K59/38 ,  H10K59/877 ,  H10K59/1201 ,  H10K71/80 ,  H10K2102/351

Abstract: The present disclosure provides a display panel comprising a bottom emitting type array substrate and a wavelength converting unit, wherein the wavelength converting unit is in contact with a transparent substrate layer of the array substrate, and the transparent substrate layer has a thickness of 5 μm or less. The present disclosure also provides a method for manufacturing the display panel by using a subtractive manufacture process.

公开(公告)号：US20200295306A1

公开(公告)日：2020-09-17

申请号：US16491300

申请日：2019-03-22

Applicant: BOE Technology Group Co., Ltd.

Inventor： Qingyu Huang ,  Zhiqiang Jiao ,  Huajie Yan ,  Xiaoyun Liu

IPC: H01L51/52 ,  H01L51/56

Abstract: An OLED device, a method for manufacturing the same, and a display apparatus are provided. The OLED device includes: an anode; a cathode; at least two organic light emitting layers between the anode and the cathode; a charge generation layer between two adjacent organic light emitting layers. At least one of two surfaces of the charge generation layer adjacent to the two adjacent organic light emitting layers is provided with microstructures.