公开(公告)号：US20220392968A1

公开(公告)日：2022-12-08

申请号：US17769765

申请日：2021-06-04

Applicant: BOE Technology Group Co., Ltd.

Inventor： Xiaoyun LIU ,  Liangliang KANG ,  Xiaohu LI ,  Juan ZHANG ,  Qingyu HUANG ,  Huajie YAN ,  Zhiqiang JIAO ,  Jiaqi WEI

IPC: H01L27/32

Abstract: A display substrate and a display device. The display substrate comprises a base substrate and at least two first electrodes provided on one side of the base substrate and spaced apart; a pixel film layer is provided on the sides of the first electrodes away from the base substrate; a spacing area is formed between the adjacent first electrodes; an isolation recess is formed on the side of the spacing area away from the base substrate; the isolation recess electrically cuts off the pixel film layer on the adjacent first electrodes.

公开(公告)号：US20250143130A1

公开(公告)日：2025-05-01

申请号：US19009919

申请日：2025-01-04

Applicant: BOE Technology Group Co., Ltd.

Inventor： Xiaoyun LIU ,  Liangliang KANG ,  Xiaohu LI ,  Juan ZHANG ,  Qingyu HUANG ,  Huajie YAN ,  Zhiqiang JIAO ,  Jiaqi WEI

IPC: H10K59/35

Abstract: A display substrate and a display device. The display substrate comprises a base substrate and at least two first electrodes provided on one side of the base substrate and spaced apart; a pixel film layer is provided on the sides of the first electrodes away from the base substrate; a interval region is formed between the adjacent first electrodes; an isolation groove is formed on the side of the interval region away from the base substrate; the isolation groove electrically cuts off the pixel film layer on the adjacent first electrodes.

公开(公告)号：US20240324335A1

公开(公告)日：2024-09-26

申请号：US18245553

申请日：2022-01-30

Applicant: BOE Technology Group Co., Ltd.

Inventor： Jinxiang XUE ,  Zhongyuan SUN ,  Wenqi LIU ,  Jingkai NI ,  Che AN ,  Guangcai YUAN ,  Lu WANG ,  Fang LIU ,  Xiaohu LI ,  Liangliang KANG ,  Zhiqiang JIAO ,  Peng WANG

IPC: H10K59/131 ,  H10K59/121 ,  H10K59/122 ,  H10K59/18 ,  H10K59/80 ,  H10K77/10 ,  H10K102/00

CPC classification number: H10K59/131 ,  H10K59/1213 ,  H10K59/1216 ,  H10K59/122 ,  H10K59/18 ,  H10K59/873 ,  H10K77/111 ,  H10K2102/311

Abstract: The present disclosure provides a display panel and a display device. The display panel includes: a substrate; a plurality of display units arranged on a side of the substrate, each of the plurality of display units including at least one sub-pixel; a plurality of elastic stretching units arranged on a side of the substrate, each of the plurality of elastic stretching units being connected between two adjacent display units, and a plurality of hollow regions being formed between the plurality of elastic stretching units and the plurality of display units. A sum of areas of the plurality of hollow regions is a, a sum of areas of the plurality of display units is b, and a sum of areas of the plurality of elastic stretching units is c; 15%≤a/(a+b+c)×100%≤30%.

公开(公告)号：US20240090299A1

公开(公告)日：2024-03-14

申请号：US18271851

申请日：2022-07-01

Applicant: BOE Technology Group Co., Ltd.

Inventor： Qian JIN ,  Wei HUANG ,  Qian SUN ,  Tianhao LU ,  Yang LI ,  Liangliang KANG

IPC: H10K59/38 ,  H10K59/12 ,  H10K59/35 ,  H10K59/80

CPC classification number: H10K59/38 ,  H10K59/1201 ,  H10K59/351 ,  H10K59/876

Abstract: A display panel includes: multiple light-emitting devices arranged on a substrate, each light-emitting device includes a first electrode, multiple light-emitting units and a second electrode sequentially arranged in a direction away from the substrate, a microcavity structure is formed between the first electrode and the second electrode, the light-emitting unit includes a light-emitting layer, light-emission colors of at least two light-emitting layers in the same light-emitting device are different, and at least one light-emitting device includes a cavity length adjusting layer; and a color conversion layer including multiple wavelength conversion units, each wavelength conversion unit corresponds to a light-emitting device having the cavity length adjusting layer, the wavelength conversion unit is arranged on a light outlet side of the light-emitting device, at least one light-emission peak in a light-emission band of the light-emitting device is less than or equal to an intrinsic light-emission peak of a corresponding wavelength conversion unit.

公开(公告)号：US20210257421A1

公开(公告)日：2021-08-19

申请号：US17251863

申请日：2020-05-07

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Xiaoyun LIU ,  Liangliang KANG ,  Xiaofen WANG ,  Qian JIN ,  Tun LIU ,  Yan FAN

IPC: H01L27/32 ,  H01L51/00 ,  H01L51/52 ,  H01L51/56

Abstract: The present disclosure relates to the technical field of display, and provided thereby are a display device, a flexible display panel and a manufacturing method therefor. The flexible display panel comprises a flexible substrate and a plurality of pixel islands arranged in an array on the flexible substrate; the pixel islands have a display region and a peripheral region surrounding the display region, and each pixel island comprises a driving layer, a first electrode layer, a light emitting layer and a second electrode layer that are sequentially stacked on the flexible substrate; the first electrode layer comprises a first electrode located in the display region and a peripheral electrode located in the peripheral region; the peripheral electrode surrounds the display region, and a surface of the peripheral electrode away from the flexible substrate is provided with a barrier structure surrounding the display region, a preset spacing being present between the barrier structure and the display region; and the light emitting layer is intermittently provided in a region directly opposite to the barrier structure and a region located within a range of the preset spacing.

公开(公告)号：US20240397764A1

公开(公告)日：2024-11-28

申请号：US18271470

申请日：2022-02-25

Applicant: BOE Technology Group Co., Ltd.

Inventor： Xiaohu LI ,  Lu WANG ,  Zhiqiang JIAO ,  Guangcai YUAN ,  Peng WANG ,  Liangliang KANG

IPC: H10K59/131 ,  H01L27/12 ,  H10K59/12 ,  H10K59/121 ,  H10K59/122 ,  H10K59/80

Abstract: The disclosure provides a display panel, a manufacturing method thereof and a display device, relating to a field of display technology. The display panel includes a base substrate, a driving layer and a light-emitting layer. The light-emitting units formed by the light-emitting layer includes a first electrode layer, a first insulating layer, a control electrode layer, a second insulating layer, an active layer, a second electrode layer, and an organic light-emitting layer sequentially distributed. In the embodiments of the present disclosure, the second insulating layer is configured to separate the control electrode layer from the organic light-emitting layer and the active layer.

公开(公告)号：US20240376588A1

公开(公告)日：2024-11-14

申请号：US18696355

申请日：2023-07-28

Applicant: BOE Technology Group Co., Ltd.

Inventor： Xiaohu LI ,  Yan QU ,  Liangliang KANG ,  Qian JIN ,  Lu WANG ,  Weijie WANG ,  Zhiqiang JIAO

IPC: C23C14/04 ,  H10K71/16

Abstract: Provided is an evaporation mask, including a mask plate and a plurality of evaporation through-holes. The evaporation through-holes penetrate through the mask plate and corresponds to the sub-pixel regions one by one such that a plurality of sub-pixels of different colors are formed in the plurality of sub-pixel regions; and wherein for each of the evaporation through-holes, an aperture of an opening of the evaporation through-hole on a side proximal to the to-be-evaporated substrate is less than an aperture of an opening of the evaporation through-hole on a side distal to the to-be-evaporated substrate, the opening of the evaporation through-hole on the side distal to the to-be-evaporated substrate extends to at least one adjacent sub-pixel region, and a color of a sub-pixel evaporated in a sub-pixel region corresponding to the evaporation through-hole is different from a color of a sub-pixel evaporated in the at least one adjacent sub-pixel region.