公开(公告)号：US20220367580A1

公开(公告)日：2022-11-17

申请号：US17763199

申请日：2021-05-14

Applicant: BOE Technology Group Co., Ltd.

Inventor： Wenfeng SONG ,  Changyen WU

IPC: H01L27/32 ,  H01L51/52

Abstract: A display substrate and a display apparatus are provided. The display substrate includes: a base, and a plurality of sub-pixel regions arranged in a matrix on the base. Each sub-pixel region includes a display region and a transparent region; and the boundary of the transparent region in each sub-pixel region is non-linear.

公开(公告)号：US20200220111A1

公开(公告)日：2020-07-09

申请号：US16690565

申请日：2019-11-21

Applicant: BOE Technology Group Co., Ltd.

Inventor： Wenfeng SONG

IPC: H01L51/52 ,  H01L51/56

Abstract: A display panel, a method for fabricating the same, and a display device are disclosed, where the display panel includes: a base substrate, sub-pixel units in at least two colors on the base substrate, and an anti-reflection layer on a side of the sub-pixel units away from the base substrate, wherein the anti-reflection layer includes anti-reflection components arranged in an array, which correspond to the sub-pixel units in a one-to-one manner, and are configured to alleviate reflected light in the same colors as the corresponding sub-pixel units, and sub-pixel units in different colors correspond to different anti-reflection components.

公开(公告)号：US20190044090A1

公开(公告)日：2019-02-07

申请号：US16000321

申请日：2018-06-05

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Wenfeng SONG

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

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：US20210210731A1

公开(公告)日：2021-07-08

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

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：US20210098730A1

公开(公告)日：2021-04-01

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: 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：US20200303671A1

公开(公告)日：2020-09-24

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.

公开(公告)号：US20240224578A1

公开(公告)日：2024-07-04

申请号：US18556850

申请日：2021-10-22

Applicant: BOE Technology Group Co., Ltd.

Inventor： Linlin WANG ,  Changyen WU ,  Juanjuan YOU ,  Yongqi SHEN ,  Bin BU ,  Wenfeng SONG ,  Guang YAN ,  Li SUN ,  Dacheng ZHANG

IPC: H10K50/818 ,  H10K50/16 ,  H10K50/17 ,  H10K50/82 ,  H10K50/852 ,  H10K102/00

CPC classification number: H10K50/818 ,  H10K50/16 ,  H10K50/171 ,  H10K50/82 ,  H10K50/852 ,  H10K2102/351

Abstract: An electroluminescent device and a display apparatus, for improving the efficiency and prolonging the service life of the electroluminescent device. The electroluminescent device comprises: an anode comprising a reflective material; a cathode arranged opposite to the anode and comprising a transflective material; n light-emitting functional layers laminated between the anode and the cathode, wherein n is an integer greater than 1; and each light-emitting functional layer comprises a light-emitting layer and an electron transport layer located at the side of the light-emitting layer close to the cathode, wherein the thickness of the electron transport layer in the light-emitting functional layer closest to the cathode is greater than that of the electron transport layers in the remaining light-emitting functional layers; and (n−1) charge generation layers located between two adjacent light-emitting functional layers.

公开(公告)号：US20210367184A1

公开(公告)日：2021-11-25

申请号：US16333112

申请日：2018-08-17

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Wenfeng SONG

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

Abstract: A display substrate, a manufacturing method thereof, and a display device are disclosed. The display substrate includes a base substrate; a pixel defining layer on the base substrate, the pixel defining layer includes a plurality of openings, the pixel defining layer includes a first pixel defining layer, a conductive layer, and a second pixel defining layer which are stacked, in the pixel defining layer in at least a peripheral region of the display substrate, an orthographic projection of the conductive layer on the base substrate completely falls within an orthographic projection of the second pixel defining layer on the base substrate; and an electroluminescent unit including a transparent electrode the transparent electrode is electrically connected with the conductive layer in the pixel defining layer in at least the peripheral region of the display substrate.

公开(公告)号：US20170040571A1

公开(公告)日：2017-02-09

申请号：US14914074

申请日：2015-07-20

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Wenfeng SONG ,  Chunjan WANG ,  Donghui YU

IPC: H01L51/52 ,  H01L51/56

CPC classification number: H01L51/5256 ,  H01L27/32 ,  H01L51/52 ,  H01L51/56 ,  H01L2251/303

Abstract: An OLED packaging method, a packaged structure, and a display device. The packaging method comprises forming at least one group of films on an OLED to be packaged. Each group of films comprises three films, and an intermediate film in each group of films is an intermediate inorganic-organic hybrid layer. The packaged structure comprises at least one group of films; the at least one group of films encapsulates an OLED to be packaged. Each group of films comprises three films, and an intermediate film in each group of films is an intermediate inorganic-organic hybrid layer. The intermediate inorganic-organic hybrid layer is arranged as an intermediate film in each group of films, and connects an upper film and a lower film in each group of films, so that adhesion between the upper film and the lower film in each group of films is effectively improved, and stripping of the upper and lower films is avoided.

Abstract translation: OLED封装方法，封装结构和显示装置。 包装方法包括在待包装的OLED上形成至少一组膜。 每组膜包含三个膜，并且每组膜中的中间膜是中间无机 - 有机杂化层。 封装结构包括至少一组膜; 所述至少一组膜包封待包装的OLED。 每组膜包含三个膜，并且每组膜中的中间膜是中间无机 - 有机杂化层。 中间无机 - 有机杂化层被布置为每组膜中的中间膜，并且在每组膜中连接上膜和下膜，使得每组膜中的上膜和下膜之间的粘附 有效地改善，并且避免了上下薄膜的剥离。

公开(公告)号：US20160293886A1

公开(公告)日：2016-10-06

申请号：US14769323

申请日：2014-10-15

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Donghui YU ,  Chun Jan WANG ,  Wenfeng SONG

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

CPC classification number: H01L51/5256 ,  H01L27/32 ,  H01L51/5246 ,  H01L51/5253 ,  H01L51/56 ,  H01L2251/55 ,  H01L2251/558

Abstract: An organic light-emitting diode (OLED) display panel and a manufacturing method thereof are disclosed. The manufacturing method includes: providing a first substrate (1) and a second substrate (2), in which the first substrate (1) is provided with an OLED layer (3); coating a first sealant (4) on a surface of the OLED layer (3) of the first substrate (1); coating a second sealant (5) on a surface of the second substrate (2) and coating a third sealant (6) outside the second sealant (2) on the second substrate (2), in which the first sealant (4) has a viscosity less than that of the second sealant (5); and pressing the first substrate (1) and the second substrate (2) together and performing curing to allow the second sealant (5) to cover the first sealant(4) and fill a gap among the first substrate (1), the second substrate (2) and the third sealant (6). The manufacturing method can reduce the tension of a contact surface between the sealant and an OLED in the curing process, reduce the damage to the OLED, and ensure that a sealing structure of the OLED has good water resistance.

Abstract translation: 公开了一种有机发光二极管（OLED）显示面板及其制造方法。 该制造方法包括：提供第一基板（1）和第二基板（2），其中第一基板（1）设置有OLED层（3）; 在所述第一基板（1）的所述OLED层（3）的表面上涂覆第一密封剂（4）; 在所述第二基板（2）的表面上涂覆第二密封剂（5）并在所述第二基板（2）上的所述第二密封剂（2）的外部涂覆第三密封剂（6），其中所述第一密封剂（4）具有 粘度小于第二密封剂（5）的粘度; 并且将所述第一基板（1）和所述第二基板（2）按压在一起并进行固化以允许所述第二密封剂（5）覆盖所述第一密封剂（4），并填充所述第一基板（1），所述第二基板 （2）和第三密封剂（6）。 该制造方法可以在固化过程中降低密封剂和OLED之间的接触表面的张力，减少对OLED的损害，并且确保OLED的密封结构具有良好的耐水性。