公开(公告)号：US11631835B2

公开(公告)日：2023-04-18

申请号：US16768279

申请日：2020-01-19

Applicant: BOE Technology Group Co., Ltd.

Inventor： Changyen Wu ,  Guang Yan ,  Wenfeng Song ,  Linlin Wang

IPC: H01L51/52 ,  H01L27/32

Abstract: The present disclosure provides an OLED display panel and an OLED display device, and belongs to the field of display technology. The OLED display panel of the present disclosure includes a base substrate and a display cover disposed opposite to each other; a polarizing layer disposed between the base substrate and the display cover; a light extraction layer disposed between the base substrate and the display cover; the OLED display panel is provided with a light exit surface, and the light extraction layer is closer to the light exit surface than the polarizing layer.

公开(公告)号：US20200098836A1

公开(公告)日：2020-03-26

申请号：US16395122

申请日：2019-04-25

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Wenfeng Song

IPC: H01L27/32 ,  G02F1/1335

Abstract: A display panel, a method for manufacturing the same, and a display device are disclosed. The display panel comprises: a first substrate; a plurality of pixel structures disposed on a surface of the first substrate, each of the pixel structures comprising a first sub-pixel, a second sub-pixel, a third sub-pixel and a white sub-pixel; and a photochromic layer, wherein an orthographic projection of the photochromic layer on the first substrate is covered by an orthographic projection of the white sub-pixel on the first substrate.

公开(公告)号：US09917254B2

公开(公告)日：2018-03-13

申请号：US15248131

申请日：2016-08-26

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Chengyuan Luo ,  Donghui Yu ,  Wenfeng Song

IPC: H01L51/00 ,  G01N21/81 ,  H01L51/52 ,  H01L51/56 ,  G01N31/22

CPC classification number: H01L51/0031 ,  G01N21/81 ,  G01N31/222 ,  H01L51/5246 ,  H01L51/5259 ,  H01L51/56 ,  H01L2251/568

Abstract: An OLED encapsulation package, a display device and a packaging method are disclosed. The OLED encapsulation package includes a substrate, a cover board and a encapsulation unit located between the substrate and the cover board; the substrate is provided with display components thereon, and the encapsulation unit encapsulates the periphery of the display components; the encapsulation unit includes at least a moisture sensitive layer therein, and the moisture sensitive layer is capable of discoloring upon encountering with water.

公开(公告)号：US11588132B2

公开(公告)日：2023-02-21

申请号：US15779996

申请日：2017-09-22

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Wenfeng Song

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

Abstract: The present disclosure discloses a thin film package structure, a thin film packaging method and a display device. The thin film package structure includes: an inorganic layer, a buffer layer and an organic layer successively covering an external of an electroluminescence unit structure from inside to outside; composition of said buffer layer is organic, and a thickness of said buffer layer is less than that of said organic layer. The thin film packaging method includes: covering a buffer layer on an inorganic layer encapsulating an electroluminescence unit structure; covering an organic layer on a surface of said buffer layer; composition of said buffer layer is organic, and a thickness of said buffer layer is less than that of said organic layer.

公开(公告)号：US10446785B2

公开(公告)日：2019-10-15

申请号：US16000321

申请日：2018-06-05

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Wenfeng Song

IPC: H01L27/32 ,  H01L51/52 ,  H01L51/00 ,  H01L51/56 ,  H01L51/50

Abstract: A light-emitting substrate and a method for manufacturing the light-emitting substrate are provided. In the light-emitting substrate, each of a plurality of pixel units includes an anode and a light-emitting layer sequentially provided on a base substrate, the light-emitting substrate further includes a cathode layer covering the plurality of pixel units and a region which is between the adjacent ones of the pixel units, an auxiliary electrode is provided below the cathode layer, the auxiliary electrode includes a plurality of auxiliary electrode strips which include a plurality of first auxiliary electrode strips extending along an extension direction of each pixel unit row and/or a plurality of second auxiliary electrode strips extending along an extension direction of each pixel unit column, and at least a part of the plurality of auxiliary electrode strips is electrically connected to the cathode layer.

公开(公告)号：US09865842B2

公开(公告)日：2018-01-09

申请号：US15249803

申请日：2016-08-29

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Wenfeng Song

IPC: H01L51/52 ,  H01L51/56

CPC classification number: H01L51/5253 ,  H01L51/5246 ,  H01L51/525 ,  H01L51/56

Abstract: An OLED display panel and a method of encapsulating the same, and a display device are disclosed. The OLED display panel includes: a first substrate and a second substrate which are disposed oppositely, a first sealing agent, a second sealing agent and a plurality of barrier blocks. The first sealing agent is provided between the first substrate and the second substrate and forms a sealing space with the first substrate and the second substrate; the second sealing agent is filled in the sealing space formed by the first substrate, the second substrate and the first sealing agent; and the plurality of barrier blocks are disposed in the sealing space formed by the first substrate, the second substrate and the first sealing agent and are arranged along the first sealing agent at an interval.

公开(公告)号：US20170279076A1

公开(公告)日：2017-09-28

申请号：US15249803

申请日：2016-08-29

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Wenfeng Song

IPC: H01L51/52 ,  H01L51/56

CPC classification number: H01L51/5253 ,  H01L51/5246 ,  H01L51/525 ,  H01L51/56

Abstract: An OLED display panel and a method of encapsulating the same, and a display device are disclosed. The OLED display panel includes: a first substrate and a second substrate which are disposed oppositely, a first sealing agent, a second sealing agent and a plurality of barrier blocks. The first sealing agent is provided between the first substrate and the second substrate and forms a sealing space with the first substrate and the second substrate; the second sealing agent is filled in the sealing space formed by the first substrate, the second substrate and the first sealing agent; and the plurality of barrier blocks are disposed in the sealing space formed by the first substrate, the second substrate and the first sealing agent and are arranged along the first sealing agent at an interval.

公开(公告)号：US11653516B2

公开(公告)日：2023-05-16

申请号：US16334456

申请日：2018-05-11

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Changyen Wu ,  Wenfeng Song

IPC: H01L51/50

CPC classification number: H10K50/13 ,  H10K71/00 ,  H10K71/164 ,  H10K71/166

Abstract: An organic electroluminescent device, a method for fabricating the same, and a light emitting apparatus are disclosed. The organic electroluminescent device comprises a first light emitting layer and a second light emitting layer arranged on a surface of the first light emitting layer at a first side, and partially covers the surface of the first light emitting layer at the first side. Both the first and second light emitting layers are made from a material which has a larger mobility for a first carrier than a second carrier. Light emitting regions of the second light emitting layer and the regions of the first light emitting layer not covered by the second light emitting layer are configured to emit light of different colors at a preset light emitting ratio. A light emitting area ratio between a surface of each light emitting region and surfaces of the regions of the first light emitting layer not covered by the second light emitting layer is preset according to the preset light emitting ratio.

公开(公告)号：US11189811B2

公开(公告)日：2021-11-30

申请号：US16098326

申请日：2018-04-11

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Chang Yen Wu ,  Youngsuk Song ,  Wenfeng Song ,  Wei Li ,  Chun I Lin

IPC: H01L29/08 ,  H01L51/50 ,  H01L27/32 ,  H01L51/56

Abstract: An organic light emitting diode display panel, a manufacturing method thereof, and a display device are disclosed. The organic light emitting diode display panel includes: a base substrate; a light emitting layer on the base substrate, a spectral width at 10%-15% of a maximum spectral intensity of an emission spectrum of the light emitting layer is not less than 200 nm, and a yellow-green wave band of the emission spectrum includes at least one peak located between 550 nm-562 nm.

公开(公告)号：US11158835B2

公开(公告)日：2021-10-26

申请号：US16062822

申请日：2017-10-31

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Wenfeng Song

IPC: H01L51/52 ,  H01L27/32

Abstract: A manufacturing method of a display substrate, a display substrate and a display device are disclosed. In the manufacturing method of the display substrate, the display substrate includes a pixel region, the pixel region includes a plurality of pixel units arranged in an array, and each of the pixel units includes an active display region and a peripheral region located around the active display region. The manufacturing method includes: forming a plurality of spacers in the peripheral region through an ink-jet printing process, and each of the plurality of spacers includes an adhesive material and at least one kind of nanoparticles doped in the adhesive material.