公开(公告)号：US20210013445A1

公开(公告)日：2021-01-14

申请号：US16490863

申请日：2019-03-18

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Zhen Song ,  Guoying Wang

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

Abstract: An organic light emitting display panel includes a cover plate and a back plate. The cover plate includes a cover plate glass on which three color films of R, G and B are formed. The cover plate includes an insulating cover layer covering the cover plate glass. The cover plate includes a BM area formed over the insulating cover layer and defining a pixel area. The cover plate includes a spacer pillar formed in the BM area. The cover plate includes an auxiliary cathode formed over the spacer pillar and the insulating cover layer. The back plate includes: an active layer array; a planarization layer formed on the active layer array, having a boss corresponding to the pixel area; and an OLED device formed on the boss.

公开(公告)号：US20210005644A1

公开(公告)日：2021-01-07

申请号：US16915142

申请日：2020-06-29

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Zhen Song ,  Guoying Wang

IPC: H01L27/12

Abstract: The present disclosure provides a display substrate, a method for preparing the same, and a display device. The method for preparing the display substrate includes a step of preparing a pixel driving circuit on a substrate, the step specifically includes: preparing a first active layer of an oxide transistor on the substrate; preparing a barrier layer on a surface of the first active layer away from the substrate, an orthogonal projection of the barrier layer on the substrate covering an orthogonal projection of the first active layer on the substrate; preparing a low-temperature polysilicon transistor is on the substrate; and preparing a first gate insulating layer, a first gate electrode, a first input electrode, and a first output electrode of the oxide transistor on the substrate.

公开(公告)号：US10777686B2

公开(公告)日：2020-09-15

申请号：US16203075

申请日：2018-11-28

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Guoying Wang ,  Zhen Song

IPC: H01L29/786 ,  H01L27/12 ,  H01L29/423 ,  H01L29/66

Abstract: The present disclosure provides a thin film transistor and a method for manufacturing the same, an array substrate and a display panel. The thin film transistor includes a base substrate; a partially transparent layer on one side of the base substrate; a first gate electrode on one side of the partially transparent layer away from the base substrate; a second gate insulation layer on one side of the first gate electrode away from the base substrate; and an active layer on one side of the second gate insulation layer away from the base substrate. An orthographic projection of the partially transparent layer to the base substrate covers an orthographic projection of the active layer to the base substrate.

公开(公告)号：US20200176541A1

公开(公告)日：2020-06-04

申请号：US16623712

申请日：2019-06-04

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Pan Xu ,  Yicheng Lin ,  Ling Wang ,  Cuili Gai ,  Guoying Wang ,  Yongqian Li

IPC: H01L27/32 ,  H01L51/52

Abstract: An OLED plate comprises: a substrate; a plurality of OLED devices, disposed on one side of the substrate and located in the display area; and an auxiliary cathode, disposed on the one side of the substrate and at least located in the peripheral area. Each of the OLED devices includes a reflective anode, an organic material functional layer and a transparent cathode disposed in a direction distal from the substrate in sequence. A portion of the auxiliary cathode located in the peripheral area is electrically connected to transparent cathodes of the plurality of OLED devices, and resistivity of the auxiliary cathode is less than resistivity of a transparent cathode of the plurality of OLED devices.

公开(公告)号：US10608072B2

公开(公告)日：2020-03-31

申请号：US16427115

申请日：2019-05-30

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Zhen Song ,  Guoying Wang

IPC: H01L27/00 ,  H01L27/32

Abstract: A transparent display panel, a manufacturing method thereof, and a transparent display apparatus are disclosed. The transparent display panel includes: a substrate including a non-transparent region and a transparent region; a first power line and a first read line both disposed on the substrate and arranged in the same layer; a dielectric layer covering both the first power line and the first read line; a second power line and a second read line both disposed on a side of the dielectric layer facing away from the substrate and arranged in the same layer. The second power line is electrically connected to the first power line through a first conductive plug extending through the dielectric layer, and the second read line is electrically connected to the first read line through a second conductive plug extending through the dielectric layer.

公开(公告)号：US20200098841A1

公开(公告)日：2020-03-26

申请号：US16413843

申请日：2019-05-16

Applicant: BOE Technology Group Co., Ltd

Inventor： Zhen Song ,  Guoying Wang

IPC: H01L27/32

Abstract: Embodiments of the present disclosure provide an array substrate, a method for manufacturing an array substrate, a display panel, and a display device. The array substrate includes a plurality of pixels, each of the pixels includes a plurality of sub-pixels, wherein each of the plurality of sub-pixels includes a base substrate, an insulating layer, a color filter layer, a planarization layer, and an organic light emitting unit, and wherein the insulating layer covers the base substrate, the insulating layer is provided with a first opening, at least a portion of the color filter layer is filled in the first opening, the planarization layer covers over the insulating layer and a surface of the color filter layer, and the organic light emitting unit is disposed on the planarization layer.

公开(公告)号：US20200098839A1

公开(公告)日：2020-03-26

申请号：US16417105

申请日：2019-05-20

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Pan Xu ,  Yicheng Lin ,  Ling Wang ,  Guoying Wang

IPC: H01L27/32 ,  G02B5/22 ,  H01L51/52 ,  H04N9/31

Abstract: A display panel, a manufacturing method thereof and a display device are disclosed. The display panel includes a display backplane and a display cover assembled to be a cell. The display backplane includes a first base substrate, a pixel circuit layer, a first electrode layer, a light-emitting layer, a second transparent electrode layer, and a plurality of first pixel regions stacked on the first base substrate. The display cover includes a second base substrate, a plurality of optical sensing components and a plurality of second pixel regions on the second base substrate, the plurality of optical sensing components being arranged in the plurality of second pixel regions in one to one correspondence.

公开(公告)号：US20190081159A1

公开(公告)日：2019-03-14

申请号：US15741741

申请日：2017-06-30

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Zhen Song ,  Wei Li ,  Guoying Wang

IPC: H01L29/66 ,  H01L29/417 ,  H01L29/423 ,  H01L29/10 ,  H01L29/786 ,  H01L29/49 ,  H01L21/027

CPC classification number: H01L29/66742 ,  H01L21/0273 ,  H01L29/1033 ,  H01L29/41733 ,  H01L29/42384 ,  H01L29/45 ,  H01L29/458 ,  H01L29/4908 ,  H01L29/66757 ,  H01L29/66969 ,  H01L29/78696

Abstract: The present application discloses a method of fabricating a thin film transistor. The method includes forming an active layer having a channel region, a source electrode contact region, and a drain electrode contact region, on a base substrate; forming a first photoresist layer on a side of the active layer distal to the base substrate, the first photoresist layer is formed in a region outside that corresponding to the channel region; forming an insulating material layer on a side of the first photoresist layer distal to the base substrate; forming a first conductive metal material layer on a side of the insulating material layer distal to the first photoresist layer; and removing the first photoresist layer, the insulating material layer, the first conductive metal material layer, in the region outside that corresponding to the channel region by a lift-off method.

公开(公告)号：US12133428B2

公开(公告)日：2024-10-29

申请号：US17753513

申请日：2021-03-25

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Xing Zhang ,  Zhan Gao ,  Yicheng Lin ,  Pan Xu ,  Ying Han ,  Guoying Wang ,  Dacheng Zhang

IPC: H01L35/24 ,  H01L51/00 ,  H10K59/126 ,  H10K59/131 ,  H10K59/38 ,  H10K59/80

CPC classification number: H10K59/126 ,  H10K59/131 ,  H10K59/38 ,  H10K59/87

Abstract: A display substrate and a display device are provided. The display substrate includes a base substrate and a light-shielding layer. The base substrate includes a display region including repeating units, each repeating unit includes a transparent region and a pixel region, the pixel region includes sub-pixels, each sub-pixel includes a sub-pixel driving circuit and a light-emitting element, and the light-emitting element includes a first electrode, a second electrode, and a light-emitting layer located between the first electrode and the second electrode. The light-shielding layer is located on a side of the sub-pixel driving circuit close to the base substrate, at least part of an orthographic projection of the light-shielding layer on a main surface of the base substrate overlaps with an orthographic projection of the sub-pixel driving circuit on the main surface of the base substrate, and the light-shielding layer is connected with the second electrode.

公开(公告)号：US20240194688A1

公开(公告)日：2024-06-13

申请号：US17904748

申请日：2021-10-18

Applicant: BOE Technology Group Co., Ltd.

Inventor： Guoying Wang ,  Pan Xu ,  Dacheng Zhang ,  Xing Zhang ,  Ying Han ,  Chengyuan Luo ,  Zhen Song

IPC: H01L27/12

CPC classification number: H01L27/124 ,  H01L27/1248

Abstract: An array substrate having a connection pad in a connection pad area is provided. The connection pad includes a plurality of first probe contact pads, a plurality of second probe contact pads, a plurality of first connection lines coupled to the plurality of first probe contact pads, respectively, and a plurality of second connection lines coupled to the plurality of second probe contact pads, respectively; the plurality of first connection lines and the plurality of second connection lines being in two different layers. A total number of conductive layers electrically connected to a respective first connection line of the plurality of first connection lines is different from a total number of conductive layers electrically connected to a respective second connection line of the plurality of second connection lines.