公开(公告)号：US20240363060A1

公开(公告)日：2024-10-31

申请号：US18768018

申请日：2024-07-10

Applicant: BOE Technology Group Co., Ltd.

Inventor： Dejiang ZHAO ,  Wei HUANG

IPC: G09G3/32 ,  H04B10/116 ,  H04B10/50

CPC classification number: G09G3/32 ,  H04B10/116 ,  H04B10/502 ,  G09G2370/16 ,  G09G2370/18

Abstract: A display panel includes a plurality of sub-pixels, and the sub-pixels include at least one first light-emitting device: a first base substrate including a first area, the plurality of sub-pixels are located in the first area; a device layer including a plurality of first light-emitting devices; a first driving unit and a second driving unit, wherein the first driving unit is used for output a driving current, and the second driving unit is used to generate an oscillating current in response to the driving current output by the first driving unit and output it to the first light-emitting device, and control the first light-emitting device to repeatedly turn on or off, so that the first light-emitting device emits a light signal while displaying.

公开(公告)号：US20240334790A1

公开(公告)日：2024-10-03

申请号：US18250792

申请日：2022-02-24

Applicant: BOE Technology Group Co., Ltd.

Inventor： Dejiang ZHAO

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

CPC classification number: H10K59/878 ,  H10K59/1201 ,  H10K59/122

Abstract: The present disclosure provides a display panel and a method for manufacturing the display panel, and a display device, which relates to the field of display technologies. The display panel includes a substrate and a light-emitting structure. The light-emitting structure includes a pixel defining structure, a reflective layer, and a first conductive layer. The reflective layer includes a plurality of reflective parts spaced apart; and the first conductive layer includes a plurality of first conductive parts spaced apart. In a direction parallel to the substrate, a spacing is provided between a side of the reflective part or the first conductive part close to the pixel defining structure and a corresponding side of the pixel defining structure close to the reflective part or the first conductive part.

公开(公告)号：US20240196715A1

公开(公告)日：2024-06-13

申请号：US17801483

申请日：2021-09-02

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Yang LI ,  Wei HUANG ,  Dejiang ZHAO ,  Tianhao LU ,  Yu TIAN ,  Qian JIN ,  Qian SUN

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

CPC classification number: H10K59/8792 ,  H10K59/122 ,  H10K59/873 ,  H10K59/38

Abstract: Provided are a display panel and a display apparatus. The display panel includes a pixel definition layer on a first base substrate and including first barriers and second barriers, the first and second barriers defining first accommodating portions; light emitting devices arranged in first accommodating portions in a one-to-one correspondence; a first encapsulation layer covering the pixel definition layer and the light emitting devices; a color conversion layer on a side of the first encapsulation layer away from the first base substrate, and including light emergent portions; and a first light shielding pattern between the first encapsulation layer and the color conversion layer and including first light shielding strips extending in a first direction and second light shielding strips extending in a second direction.

公开(公告)号：US20230247866A1

公开(公告)日：2023-08-03

申请号：US18021163

申请日：2022-03-09

Applicant: BOE Technology Group Co., Ltd.

Inventor： Dejiang ZHAO ,  Xiaojie PAN

IPC: H10K59/122 ,  H10K59/12

CPC classification number: H10K59/122 ,  H10K59/1201

Abstract: Provided in the present disclosure are a display substrate and a preparation method therefor, and a display apparatus. The display substrate comprises a plurality of first pixel definition structures, second pixel definition structures, and third pixel definition structures; the first pixel definition structures each have an elongated shape extending along a first direction and are sequentially arranged along a second direction; the second pixel definition structures are disposed at intervals between the first pixel definition strictures, and at least one third pixel definition structure is disposed between the first pixel definition structures and the second pixel definition structures; and the height of the third pixel definition structures is less than the height of the second pixel definition structures.

公开(公告)号：US20220359627A1

公开(公告)日：2022-11-10

申请号：US17639499

申请日：2021-03-30

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Dejiang ZHAO ,  Guangcai YUAN

IPC: H01L27/32

Abstract: A display substrate is provided, including a base substrate, an anode layer arranged on the base substrate, a pixel definition layer arranged at a side of the anode layer away from the base substrate and configured to define a plurality of pixels, and a plurality of pixel banks arranged on the pixel definition layer. The pixel definition layer and the plurality of pixel banks are arranged in such a manner as to divide each pixel into a plurality of subpixels. The pixel banks include first pixel banks each arranged between two adjacent subpixels in different colors, each first pixel bank is a line bank extending in a first direction, a light-emitting region for covering an anode of an OLED element and a non-light-emitting region outside the light-emitting region are arranged between two adjacent first pixel banks in a same pixel along the first direction, and an organic light-emitting layer barrier structure is arranged at the non-light-emitting region to reduce a difference between a thickness of an organic light-emitting layer at a periphery of the subpixel and a thickness of the organic light-emitting layer in the middle of the subpixel in a direction perpendicular to the base substrate. A display device is further provided.

公开(公告)号：US20220352434A1

公开(公告)日：2022-11-03

申请号：US17610400

申请日：2020-11-19

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Tianhao LU ,  Wei HUANG ,  Dejiang ZHAO ,  Yu TIAN ,  Xiaoyun LIU ,  Qian SUN ,  Qian JIN ,  Yang LI

IPC: H01L33/50 ,  H01L33/58 ,  H01L33/00 ,  H01L33/46

Abstract: A light-emitting device includes: a light-emitting element; a light conversion layer disposed on a light exit side of the light-emitting element and including a first portion and a second portion located on a side of the first portion in a first direction; a first material layer disposed between the light-emitting element and the light conversion layer and configured such that light emitted by the light-emitting element is incident into the light conversion layer; and a second material layer on a side of the first material layer in the first direction, a third material layer on a side face of the light conversion layer, and a fourth material layer on a side of the light conversion layer away from the light-emitting element, which are configured such that light unconverted by the light conversion layer is reflected on surfaces of a structure formed by the second, third and fourth material layers.

公开(公告)号：US20210011340A1

公开(公告)日：2021-01-14

申请号：US16902711

申请日：2020-06-16

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Dejiang ZHAO

IPC: G02F1/1335 ,  H01L51/50 ,  H01L51/56 ,  H01L27/32 ,  H01L51/52

Abstract: A display substrate includes a base, and at least one light output device and at least one reflecting device both disposed above the base. The at least one light output device and the at least one reflecting device are disposed adjacent to each other. Each reflecting device is configured to reflect incident light that is incident to the reflecting device in a direction perpendicular to the base into one or more light output devices disposed on a side of the reflecting device. Each light output device is configured to emit display light in response to the received incident light.

公开(公告)号：US20200303686A1

公开(公告)日：2020-09-24

申请号：US15775888

申请日：2017-09-18

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Dejiang ZHAO ,  Yimin CHEN

IPC: H01L51/56 ,  H01L27/32

Abstract: The present disclosure discloses a display substrate and a manufacturing thereof. The display substrate comprises a base substrate, a pixel defining layer formed on the base substrate, wherein the pixel defining layer is provided with an opening region comprising a bottom wall and at least one sidewall, wherein in the opening region, an edge of the bottom wall is provided with at least one hydrophilic inducing column, wherein at least one of the hydrophilic inducing column has a hydrophilic surface.

公开(公告)号：US20190333973A1

公开(公告)日：2019-10-31

申请号：US16342381

申请日：2018-05-14

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Guangcai YUAN ,  Dejiang ZHAO

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

Abstract: A display substrate, a manufacturing method thereof and a display device are provided. Pixel regions of the display substrate are divided into a plurality of pixel groups, and a plurality of guide bars is arranged at a surface of a pixel definition layer between at least parts of adjacent pixel regions in each pixel group. A guide groove is formed between two adjacent guide bars, so as to guide the flow of ink, thereby to enable the ink to be uniformly distributed at all the pixel regions in each pixel group.

公开(公告)号：US20170113468A1

公开(公告)日：2017-04-27

申请号：US15107358

申请日：2015-09-16

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Dejiang ZHAO

IPC: B41J2/175

CPC classification number: B41J2/17566 ,  B41J2/175

Abstract: A printing apparatus is provided, including: a liquid supply tank for storing and supplying ink, where a liquid supply outlet is arranged on a bottom wall of the liquid supply tank; a liquid level measuring device for measuring a height of a liquid level in the liquid supply tank; a regulating device for regulating an air pressure in the liquid supply tank; and a controller, for controlling the regulating device to regulate the air pressure in the liquid supply tank based on the height of the liquid level measured by the liquid level measuring device and maintaining a pressure at the liquid supply outlet of the liquid supply tank.