公开(公告)号：US12302712B2

公开(公告)日：2025-05-13

申请号：US17768830

申请日：2021-06-17

Applicant: BOE Technology Group Co., Ltd.

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

IPC: H10K59/124 ,  H10K59/12 ,  H10K59/122 ,  H10K59/35 ,  H10K102/00

Abstract: The present disclosure provides a display panel and a display device. The display panel includes a substrate, a plurality of pixel units is arranged at a side of the substrate, each pixel unit includes a first electrode layer, a first light-emitting layer, a second electrode layer, a second light-emitting layer, a third electrode layer, a third light-emitting layer and a fourth electrode layer laminated one on another, the first light-emitting layer, the second light-emitting layer, and the third light-emitting layer emit light in different colors, and two vertically adjacent light-emitting layers share one electrode layer.

公开(公告)号：US20220246691A1

公开(公告)日：2022-08-04

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: H01L27/32 ,  H01L51/50 ,  H01L51/56

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：US11257425B2

公开(公告)日：2022-02-22

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 ,  H01L21/768 ,  H01L27/146 ,  H01L27/32 ,  H01L51/52 ,  H01L51/56 ,  G09G3/3266

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：US20210359284A1

公开(公告)日：2021-11-18

申请号：US16768924

申请日：2019-12-04

Applicant: BOE Technology Group Co. Ltd.

Inventor： Xiaohu Li ,  Zhiqiang Jiao ,  Tun Liu ,  Huajie Yan

IPC: H01L51/56 ,  H01L27/32

Abstract: Disclosed is a method for manufacturing a display panel including: forming a base structure in a target region on a base substrate; forming a display structure layer on the base substrate on which the base structure is formed; forming an annular groove in the display structure layer in a region which an orthographic projection of the base structure on the display structure layer falls within, the base structure being exposed in the annular groove; and removing the base structure surrounded by the annular groove to separate the display structure layer surrounded by the annular groove from the base substrate.

公开(公告)号：US10886492B2

公开(公告)日：2021-01-05

申请号：US16400619

申请日：2019-05-01

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Xiaohu Li ,  Zhiqiang Jiao ,  Tun Liu ,  Huajie Yan ,  Hongsheng Zhan ,  Liangliang Kang

IPC: H01L51/50 ,  H01L27/32 ,  H01L51/56 ,  H01L51/52

Abstract: An array substrate and a manufacturing method thereof, and a display panel are disclosed. The array substrate includes a base substrate, comprising a plurality of sub-pixel regions and inter-sub-pixel regions between adjacent sub-pixel regions; and a first organic functional layer on the base substrate. At least a portion of the first organic functional layer is in the plurality of sub-pixel regions; and the first organic functional layer includes at least one fracture opening, the at least one fracture opening is configured to block a transportation of the carriers between adjacent sub-pixel regions.

公开(公告)号：US12289960B2

公开(公告)日：2025-04-29

申请号：US17642988

申请日：2021-05-14

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Huajie Yan ,  Zhiqiang Jiao ,  Lu Wang ,  Xiaohu Li

IPC: H01L21/78 ,  H10K50/856 ,  H10K50/858 ,  H10K59/122 ,  H10K71/00 ,  H10K50/115 ,  H10K59/12

Abstract: A display panel comprises a driving substrate (1), a light-emitting layer (2) and a light guide layer (3); the light-emitting layer (2) is arranged on one side of the driving substrate (1) and comprises a plurality of front light-emitting units (21) and a plurality of rear light-emitting units (22), each of the rear light-emitting units (22) comprising a light source part (221) and a light extracting part (222), and the front light-emitting units (21) and the light source parts (221) being configured for emitting light towards a side away from the driving substrate (1); and the light guide layer (3) comprises a plurality of light guide parts (31), each light guide part (31) being configured to guide light emitted by the light source part (221) of a corresponding rear light-emitting unit (22) to the light extracting part (222).

公开(公告)号：US11744131B2

公开(公告)日：2023-08-29

申请号：US17806919

申请日：2022-06-14

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Xiaohu Li ,  Huajie Yan ,  Hongsheng Zhan ,  Tun Liu ,  Zhiqiang Jiao

IPC: H10K59/38 ,  H10K50/15 ,  H10K50/813 ,  H10K50/816 ,  H10K50/822 ,  H10K59/12 ,  H10K59/35 ,  H10K71/00

CPC classification number: H10K59/38 ,  H10K50/156 ,  H10K50/813 ,  H10K50/816 ,  H10K50/822 ,  H10K59/12 ,  H10K59/353 ,  H10K71/00

Abstract: Embodiments of the present disclosure provide an OLED device, a method of manufacturing the OLED device, and a display panel. The OLED device comprises: a substrate, a first electrode layer, a color filter layer, a light emitting layer and a second electrode layer. The first electrode layer is one of an anode layer or a cathode layer and comprises: a first sub-electrode layer disposed on the substrate; and a second sub-electrode layer electrically connected with the first sub-electrode layer. The color filter layer is disposed on the first sub-electrode layer and the second sub-electrode layer is disposed on the color filter layer. The second electrode layer is the other of the anode layer or the cathode layer and the light emitting layer is disposed between the second electrode layer and the second sub-electrode layer of the first electrode layer.

公开(公告)号：US11703693B2

公开(公告)日：2023-07-18

申请号：US16860733

申请日：2020-04-28

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Xiaohu Li ,  Huajie Yan ,  Qingyu Huang ,  Yongfeng Zhang ,  Xiaoyun Liu ,  Zhiqiang Jiao

IPC: G02B30/27 ,  H10K50/844 ,  H10K50/858 ,  H10K59/122 ,  H10K71/00 ,  H10K59/12 ,  H10K102/00

CPC classification number: G02B30/27 ,  H10K50/844 ,  H10K50/858 ,  H10K59/122 ,  H10K71/00 ,  H10K59/1201 ,  H10K2102/351

Abstract: The present disclosure relates to an array substrate, a manufacturing method thereof, a three-dimensional display panel, and a display device. The array substrate includes a plurality of sub-pixels arranged in an array. Each sub-pixel includes a first composite region and a second composite region alternately arranged, as well as a substrate; a partition portion formed in the second composite region; a pixel electrode including a first composite electrode formed in the first composite region and a second composite electrode formed on the partition portion; an organic light emitting layer formed on a side of the pixel electrode away from the substrate; a pixel defining layer formed on the substrate provided around the organic light emitting layer; a common electrode having a polarity opposite to the pixel electrode formed on a side of organic light emitting layer away from the substrate; and a packaging layer.

公开(公告)号：US20220384535A1

公开(公告)日：2022-12-01

申请号：US17773314

申请日：2021-04-08

Applicant: BOE Technology Group Co., Ltd.

Inventor： Xiaohu Li ,  Huajie Yan ,  Zhiqiang Jiao ,  Lu Wang

IPC: H01L27/32 ,  H01L51/56

Abstract: The present disclosure provides a display panel, a manufacture method therefor, and a display device. The display panel of the present disclosure has: a base substrate having a display area and a peripheral area surrounding the display area; first sub-pixels, second sub-pixels and third sub-pixels disposed in the display area; and a separating insulated layer disposed at a side of the base substrate, an orthographic projection of the separating insulated layer on the base substrate at least covering the display area; wherein the first sub-pixels are disposed at a side of the separating insulated layer away from the base substrate, and the second sub-pixels and the third sub-pixels are disposed between the separating insulated layer and the base substrate.

公开(公告)号：US11482578B2

公开(公告)日：2022-10-25

申请号：US16639120

申请日：2019-03-27

Applicant: BOE Technology Group Co., Ltd.

Inventor： Huajie Yan ,  Tun Liu ,  Qingyu Huang ,  Xiaohu Li ,  Zhiqiang Jiao

IPC: H01L27/32 ,  H01L51/50 ,  H01L51/56 ,  H01L51/00

Abstract: A display substrate having a plurality of subpixels is provided. The display substrate includes a base substrate; and a pixel definition layer defining a plurality of subpixel apertures. The pixel definition layer includes a smart material sub-layer comprising a smart insulating material. The display substrate in a respective one of the plurality of subpixels includes an organic light emitting layer in a respective one of the plurality of subpixel apertures.