公开(公告)号：US20240015997A1

公开(公告)日：2024-01-11

申请号：US18371323

申请日：2023-09-21

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Youwei WANG ,  Song ZHANG ,  Peng CAI

IPC: H10K59/80 ,  H10K71/00

CPC classification number: H10K59/873 ,  H10K71/00

Abstract: Provided are a display substrate, a method for manufacturing the display substrate, and a display device. The display substrate has a display area, an opening area being provided in the display area, and the display substrate includes: a base substrate; at least one isolation structure provided on the base substrate and surrounding the opening area, and the isolation structure includes a first sidewall; a first filling structure provided on a side of the first sidewall away from the opening area, the first filling structure includes a second sidewall facing the first sidewall and a third sidewall facing away from the first sidewall; a first inorganic thin film disposed between the isolation structure and the filling structure; and a second inorganic thin film covering the isolation structure and the first filling structure.

公开(公告)号：US20180358576A1

公开(公告)日：2018-12-13

申请号：US15736530

申请日：2017-07-07

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Ping SONG ,  Feifei WANG ,  Youwei WANG ,  Peng CAI ,  Yuanzheng GUO

IPC: H01L51/52 ,  G02B5/30 ,  H01L51/56

CPC classification number: H01L51/5262 ,  G02B5/3016 ,  G02F1/1335 ,  G02F1/13363 ,  H01L51/52 ,  H01L51/56

Abstract: A polarization optical assembly, an OLED device and a preparation method thereof, a display device. The polarization optical assembly includes: a cholesteric liquid crystal layer, a λ/4 wave plate and a linear polarizer. The λ/4 wave plate is between the cholesteric liquid crystal layer and the linear polarizer, and an angle exists between a fast axis or a slow axis of the λ/4 wave plate and a transmission axis of the linear polarizer, and polarized light formed by external fight sequentially passing the linear polarizer and the λ/4 wave plate is able to pass through the cholesteric liquid crystal layer. The display device can increase the output of light while reducing the reflection of external light.

公开(公告)号：US20180186119A1

公开(公告)日：2018-07-05

申请号：US15563578

申请日：2017-04-17

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Jing YANG ,  Peng CAI

IPC: B32B7/04 ,  H01F10/16 ,  H01F10/12 ,  B32B15/04

Abstract: A display panel and a display device is disclosed. The display panel includes a stack structure including a plurality of functional film layers stacked successively; and two film layers which are disposed on an upper surface and a lower surface of the stack structure, respectively and attractable to each other by a magnetic force.

公开(公告)号：US20180013079A1

公开(公告)日：2018-01-11

申请号：US15544727

申请日：2016-03-09

Applicant: BOE Technology Group Co., Ltd.

Inventor： Peng CAI

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

CPC classification number: H01L51/0097 ,  H01L27/12 ,  H01L27/3246 ,  H01L27/3258 ,  H01L27/3276 ,  H01L51/5237 ,  H01L51/5256 ,  H01L51/56 ,  H01L2227/323 ,  H01L2251/5338

Abstract: The present disclosure provides a display substrate, comprising: a bending resistant region; the region comprises a base and a metal wire layer, wherein the metal wire layer is directly formed on the base, or the region further comprises an organic buffer layer located between the base and the metal wire layer, and the metal wire layer is directly formed on the organic buffer layer. The present disclosure provides a method for manufacturing the display substrate above-described. The present disclosure further provides a display device, comprising the display substrate above-described. The present disclosure further provides a method for manufacturing the display device, comprising the method for manufacturing the display substrate above-described. The present disclosure forms a bending resistant structure in a predetermined bending resistant region on the bezel portions of the display substrate, which can enhance the bend resistance thereof and improve the quality of the flexible display.

公开(公告)号：US20210193958A1

公开(公告)日：2021-06-24

申请号：US16770056

申请日：2019-12-26

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Youwei Wang ,  Song ZHANG ,  Peng CAI

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

Abstract: A method for manufacturing a display substrate includes: providing a base substrate; forming at least one isolation structure around an opening area on the base substrate, wherein the isolation structure includes a first side wall including a first side and a second side, the second side is closer to the base substrate than the first side, the first side is further away from the opening area than the second side; and forming a first filling structure on a side of the first side wall away from the opening area, wherein the first filling structure includes a second side wall conforming to a shape of the first side wall and a third side wall including a third side and a fourth side, the fourth side is closer to the base substrate than the third side, the third side is closer to the opening area than the fourth side.

公开(公告)号：US20210143368A1

公开(公告)日：2021-05-13

申请号：US16981380

申请日：2020-04-20

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Youwei WANG ,  Song ZHANG ,  Tao SUN ,  Peng CAI

IPC: H01L51/52 ,  H01L51/56

Abstract: The present application discloses a display panel, a method of manufacturing the display panel and a display device. A display panel, including: a display substrate having a display area and a non-display area, the display substrate including a substrate; a dam on the upper surface of the non-display area of the display substrate; and an encapsulation layer covering the display substrate, wherein the encapsulation layer includes an organic layer, the upper surface of the non-display area of the display substrate is further provided with an isolation column, and a distance between the isolation column and the display area is smaller than a distance between the dam and the display area, the isolation column is at least partially in contact with the organic layer, and the dam is at least partially not in contact with the organic layer, a width of a surface of the isolation column that is away from the substrate in a cross section along a direction perpendicular to the substrate is larger than that a width of a surface that is close to the substrate.

公开(公告)号：US20200052237A1

公开(公告)日：2020-02-13

申请号：US16413715

申请日：2019-05-16

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Youwei WANG ,  Song ZHANG ,  Tao SUN ,  Peng CAI ,  Huan LIU

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

Abstract: The present disclosure provides a flexible display device and a manufacturing method thereof. The flexible display device includes a base substrate; a pixel defining layer disposed on the base substrate defining a plurality of light emitting regions; and a first electrode layer disposed on a side of the pixel defining layer away from the base substrate and in light-emitting regions. A thin film encapsulation layer covers the first electrode layer and has protrusions protruding toward the pixel defining layer at a plurality of positions.

公开(公告)号：US20180355468A1

公开(公告)日：2018-12-13

申请号：US15840301

申请日：2017-12-13

Applicant: BOE TECHNOLOGY GROUP CO. , LTD.

Inventor： Youwei WANG ,  Song ZHANG ,  Tao SUN ,  Ping SONG ,  Peng CAI ,  Yuanzheng GUO

IPC: C23C14/04 ,  H01L51/00 ,  H01L51/56

CPC classification number: C23C14/042 ,  H01L51/001 ,  H01L51/0011 ,  H01L51/56

Abstract: A mask plate, a manufacturing method of the mask plate, and a method of evaporation by using the mask plate are provided. The mask plate includes an opening plate, the opening plate includes an opening and a blocking portion outside the opening, a concavity is in the blocking portion, and a depth of the concavity is smaller than a thickness of the blocking portion.

公开(公告)号：US20170221762A1

公开(公告)日：2017-08-03

申请号：US15500951

申请日：2016-05-20

Applicant: BOE TECHNOLOGY GROUP CO., LTD

Inventor： Peng CAI ,  Youwei WANG

IPC: H01L21/77 ,  H01L27/32

CPC classification number: H01L21/77 ,  H01L27/12 ,  H01L27/1255 ,  H01L27/32 ,  H01L27/3202 ,  H01L27/3204 ,  H01L27/3225 ,  H01L27/3246 ,  H01L27/3248 ,  H01L27/3258 ,  H01L27/3265

Abstract: In some embodiments of the disclosed subject matter provides an active matrix organic light emitting diode array substrate, comprising; multiple pixel units in an array on a base substrate, adjacent pixel units are separated by a pixel defining layer, each pixel unit comprises a thin film transistor and an organic light emitting diode; an insulating layer between a source/drain electrode layer of the thin film transistor and an electrode layer of the organic light emitting diode; the insulating layer includes a via hole therein, the electrode layer comprises a recess part connecting with the source/drain electrode layer in the via hole; and a filling layer on the recess part for preventing an organic light emitting layer of the organic light emitting diode being inside of the recess part, the pixel defining layer and an organic light emitting layer of the organic light emitting diode are overlaid on the filling layer.

公开(公告)号：US20220255023A1

公开(公告)日：2022-08-11

申请号：US17488675

申请日：2021-09-29

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Peng CAI ,  Youwei WANG

IPC: H01L51/00 ,  H05K5/02 ,  H05K5/00 ,  H01L27/32 ,  H01L51/52 ,  B32B7/12 ,  B32B7/022 ,  B32B3/14 ,  B32B15/04

Abstract: Disclosed are a display assembly and a display device. The display assembly includes: a flexible display screen; a support layer located on a non-display side of the flexible display screen; wherein the support layer includes a first support part and a second support part which continuously extend along a plane of the non-display side of the flexible display screen, and the first support part has an elastic modulus smaller than the second support part; and a tensioning member including a first connection part and a second connection part interconnected with each other, wherein the first connection part is located on a side of the first support part away from the flexible display screen, and the second connection part is located on a side of the second support part away from the flexible display screen; and the first connection part has an elastic modulus greater than the second connection part.