公开(公告)号：US20240373676A1

公开(公告)日：2024-11-07

申请号：US18031118

申请日：2022-06-17

Applicant: BOE Technology Group Co., Ltd.

Inventor： Qing DAI ,  Li SUN ,  Ying CUI ,  Chunjing HU ,  Yue ZHANG

IPC: H10K59/122

Abstract: Provided is a display panel, including: a substrate; a pixel definition layer having at least one strip-shaped first opening therein, wherein the first opening includes an expansion region and a contraction region that are alternately arranged along a first direction, and a size of the expansion region in a second direction is larger than a size of the expansion region in the second direction; a plurality of first partition walls, disposed in the first opening, wherein each of the first partition walls extends along the second direction, and two ends of the first partition wall are respectively in contact with two side walls of the first opening to partition the first opening into a plurality of pixel openings; and a plurality of light-emitting portions, respectively disposed in the plurality of pixel openings; wherein a height of the first partition wall is less than a height of the pixel definition layer.

公开(公告)号：US20220392967A1

公开(公告)日：2022-12-08

申请号：US17762318

申请日：2021-05-21

Applicant: BOE Technology Group Co., Ltd.

Inventor： Yue ZHANG

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

Abstract: The display substrate includes: a base substrate; a pixel defining layer on the base substrate, and an organic light-emitting functional layer. The pixel defining layer includes: openings in sub-pixels respectively and communication slots. The organic light-emitting functional layer corresponding to the sub-pixels is provided in the openings. In at least one row of pixels, openings of sub-pixels of the same color communicate with one another through corresponding communication slots. At least of a portion of the communication slots are located in gaps between adjacent rows of pixels.

公开(公告)号：US20250151308A1

公开(公告)日：2025-05-08

申请号：US18681307

申请日：2022-10-28

Applicant: WUHAN BOE OPTOELECTRONICS TECHNOLOGY CO., LTD. ,  BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Zhaojian WU ,  Fugang ZHANG ,  Yadong XU ,  Xiaoqi ZHENG ,  Yingying XIA ,  Rui ZHANG ,  Dingli YI ,  Ruihao ZHANG ,  Shengbiao YANG ,  Yue ZHANG ,  Mengxiang SUN ,  Gang PENG ,  Mingdi QIAO ,  Ziheng YANG ,  Gao LU ,  Wei DAI ,  Zhenyu WANG

IPC: H10D30/01 ,  H01L21/306 ,  H01L21/3065 ,  H10D30/67

Abstract: The embodiments of the disclosure provide a thin film transistor device and a manufacturing method thereof, a composite etching solution, and an array substrate, the method includes: forming an active structure material layer including an active material layer and an ohmic contact material layer, and a source/drain material layer on a base substrate; performing a wet etching process on the source/drain material layer and the active structure material layer using a composite etching solution including a first etching solution and a second etching solution, so as to form a source/drain electrode layer and an active structure including an active layer and an ohmic contact layer, wherein the wet etching process includes: etching the source/drain material layer and oxidizing a portion of the active structure material layer, and etching an oxidized portion of the active structure material layer.

公开(公告)号：US20220320205A1

公开(公告)日：2022-10-06

申请号：US17629026

申请日：2021-04-23

Applicant: BOE Technology Group Co., Ltd.

Inventor： Juanjuan YOU ,  Ying CUI ,  Yue ZHANG

IPC: H01L27/32 ,  H01L51/56

Abstract: A display base plate and a manufacturing method therefor, a display panel and a display apparatus, relates to the technical field of display. The display base plate includes: a substrate (101), a first electrode layer (102) formed on the substrate (101), and a first pixel definition layer (103) and a second pixel definition layer (104) formed on the first electrode layer (102); the first pixel definition layer (103) divides the substrate (101) into a plurality of pixel regions (105), each pixel region (105) includes a plurality of subpixel regions (1050) distributed along a first direction, and two adjacent subpixel regions (1050) are separated by the second pixel definition layer (104); in the first direction, surfaces of each pixel region (105) in contact with the first pixel definition layer (103) include a plurality of first curved surfaces (1061) and a plurality of second curved surfaces (1062), and the first curved surfaces (1061) and the second curved surfaces (1062) are protruded away from the pixel region (105) to which they belong.

公开(公告)号：US20220293703A1

公开(公告)日：2022-09-15

申请号：US17630355

申请日：2021-04-20

Applicant: BOE Technology Group Co., Ltd.

Inventor： Yue ZHANG

IPC: H01L27/32

Abstract: The display substrate includes sub-pixels of different colors. The sub-pixels are arranged as pixel columns in a first direction. Sub-pixels in the same pixel column have the same color. The display substrate includes a substrate, a first electrode layer, a pixel defining structure and an organic light-emitting layer. The pixel defining structure includes a first pixel defining structure, and a second pixel defining structure. The organic light-emitting layer includes color light-emitting layers with different colors. One light-emitting layer includes main body parts in a display region and a virtual part in a bezel region. The virtual part is connected to at least two main body parts in the light-emitting layer of the same color.

公开(公告)号：US20210083219A1

公开(公告)日：2021-03-18

申请号：US16853097

申请日：2020-04-20

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Yue ZHANG

IPC: H01L51/50 ,  H01L51/52 ,  H01L51/56 ,  G09G3/3258

Abstract: Disclosed are a display substrate, a preparation method thereof, and a display apparatus. The display substrate includes: a driving substrate, a first electrode, an auxiliary electrode, a pixel definition layer and a hole injection layer. The driving substrate includes a driving circuit and a dielectric layer covering the driving circuit; the first electrode and the auxiliary electrode are on a side of the dielectric layer of the driving substrate away from the driving circuit; the auxiliary electrode at least partially surrounds the first electrode; the pixel definition layer is on a side of the first electrode and the auxiliary electrode away from the driving substrate; the pixel definition layer includes a pixel opening, and the first electrode is at least partially exposed through the pixel opening and is electrically connected to the driving circuit; and the hole injection layer is in the pixel opening and stacked with the first electrode.

公开(公告)号：US20230363203A1

公开(公告)日：2023-11-09

申请号：US17634558

申请日：2021-03-30

Applicant: BOE Technology Group Co., Ltd.

Inventor： Yue ZHANG ,  Ying CUI ,  Li SUN

IPC: H10K59/121 ,  H10K59/122 ,  H10K59/35 ,  H10K59/12 ,  H10K71/13

CPC classification number: H10K59/1213 ,  H10K59/122 ,  H10K59/353 ,  H10K59/1201 ,  H10K71/135

Abstract: Provided are a display substrate, a preparation method thereof and a display apparatus. The display substrate includes a substrate, a drive circuit layer disposed on the substrate and a light emitting structure layer disposed on a side of the drive circuit layer away from the substrate, wherein the drive circuit layer includes a transistor, and the light emitting structure layer includes a first electrode, a pixel define layer, an organic light emitting layer and a second electrode, wherein the first electrode is connected with a drain electrode of the transistor, and the organic light emitting layer is located between the first electrode and the second electrode; the pixel define layer includes a plurality of first retaining walls and a plurality of second retaining walls.