公开(公告)号：US20190280018A1

公开(公告)日：2019-09-12

申请号：US16061078

申请日：2017-10-26

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Zhen SONG ,  Guoying WANG ,  Fengjuan LIU

IPC: H01L27/12 ,  H01L29/786

Abstract: An array substrate, a manufacturing method thereof and a display device are provided. The manufacturing method includes: forming a light-shielding pattern layer, a buffer layer, an active layer, a gate insulating layer and a gate electrode on a base substrate, which are away from the base substrate in sequence; depositing an amorphous silicon (a-Si) film on the base substrate in a temperature range of 15-150° C.; forming a first interlayer dielectric (ILD) at least disposed above the active layer by patterning the a-Si film; forming through holes in the first ILD, through which a source contact region and a drain contact region of the active layer are exposed; and forming a source electrode and a drain electrode on the first ILD, which are respectively connected with the source contact region and the drain contact region via the through holes.

公开(公告)号：US20240114728A1

公开(公告)日：2024-04-04

申请号：US18538138

申请日：2023-12-13

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Guoying WANG ,  Zhen SONG ,  Yicheng LIN ,  Xing ZHANG ,  Pan XU ,  Ling WANG ,  Ying HAN

IPC: H10K59/122 ,  H10K59/121 ,  H10K59/124 ,  H10K71/00

CPC classification number: H10K59/122 ,  H10K59/121 ,  H10K59/124 ,  H10K71/00 ,  H10K59/1201

Abstract: An organic light-emitting diode (OLED) display substrate, a manufacturing method thereof and a display panel are provided. The OLED display substrate has pixel regions and includes a base substrate and a pixel defining layer disposed on the base substrate; in regions of the pixel defining layer corresponding to the pixel regions, accommodation parts penetrating the pixel defining layer are disposed, and the pixel defining layer is further provided with guide parts disposed corresponding to the accommodation parts, the guide parts are located on a periphery of the corresponding accommodation parts and formed by recessed areas which are formed on a side of the pixel defining layer away from the base substrate, the recessed areas do not penetrate the pixel defining layer, and an orthographic projection of the guide part on the base substrate is directly coupled to an orthographic projection of the corresponding accommodation part on the base substrate.

公开(公告)号：US20210328194A1

公开(公告)日：2021-10-21

申请号：US16466737

申请日：2018-11-01

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Zhen SONG ,  Guoying WANG

IPC: H01L51/52

Abstract: An organic light emitting diode and a manufacturing method thereof, a display panel are provided. The organic light emitting diode includes a light emitting structure and a first electrode structure. The first electrode structure is configured to drive the light emitting structure to emit light and includes a first electrode and a light reflecting layer, the light reflecting layer is disposed on a side of the first electrode away from the light emitting structure, wherein the first electrode and at least a portion of the light reflecting layer are overlapped with each other in a first direction, an insulating layer is at least partially disposed between the at least part of the light reflecting layer and the first electrode overlapped with each other, and the first direction is perpendicular to a plane on which the light reflecting layer is located.

公开(公告)号：US20210167332A1

公开(公告)日：2021-06-03

申请号：US17047750

申请日：2019-12-23

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Guoying WANG ,  Zhen SONG

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

Abstract: The disclosure provides an array substrate, a manufacturing method of the array substrate and a display. The array substrate provided by the embodiment of the present disclosure includes sub-pixel units with multiple light-emitting colors; each sub-pixel unit includes a resonant cavity formed by a reflective layer and a cathode which are oppositely arranged, and the resonant cavity further includes: an anode positioned between the reflective layer and the cathode, and a light-emitting function layer positioned between the anode and the cathode; lengths of resonant cavities of the sub-pixel units with a same one of the light-emitting colors are the same, and lengths of resonant cavities of the sub-pixel units with different light-emitting colors are different; thicknesses of anodes of the sub-pixel units with different light-emitting colors are the same, thicknesses of light-emitting function layers of the sub-pixel units with different light-emitting colors are the same.

公开(公告)号：US20200006406A1

公开(公告)日：2020-01-02

申请号：US16399589

申请日：2019-04-30

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Zhen SONG ,  Guoying WANG

IPC: H01L27/12 ,  H01L27/28 ,  H01L51/05 ,  H01L29/786 ,  H01L29/417 ,  H01L29/45 ,  H01L29/49 ,  H01L51/10

Abstract: The present disclosure provides a method for manufacturing an array substrate, an array substrate, and a display device. The method for manufacturing the array substrate includes: forming a light-shielding layer and a buffer layer in sequence on a base substrate; forming an active layer on the buffer layer, and forming a first via hole in the active layer; forming an interlayer dielectric layer on the active layer; forming a second via hole in the interlayer dielectric layer at a position corresponding to the first via hole and a third via hole in the buffer layer at a position corresponding to the first via hole by a single patterning process; forming a source/drain electrode layer on the interlayer dielectric layer, in which the source/drain electrode layer is electrically connected to the light-shielding layer through the second via hole, the first via hole and the third via hole in sequence.

公开(公告)号：US20190214504A1

公开(公告)日：2019-07-11

申请号：US16170470

申请日：2018-10-25

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Zhen SONG ,  Guoying WANG

IPC: H01L29/786 ,  H01L27/12

CPC classification number: H01L29/78633 ,  H01L27/1218 ,  H01L27/124 ,  H01L27/1255 ,  H01L27/1262 ,  H01L29/78648

Abstract: A display backplate and a fabrication method thereof, a display panel and a display device are provided. The display backplate includes: a substrate; a first light shielding layer, provided on the substrate; a first thin film transistor, provided on a side of the first light shielding layer facing away from the substrate, and including a first active layer, a first source electrode, a first drain electrode and a first top-gate electrode; a first layer, including a first semiconductor portion and a first conductor portion, the first semiconductor portion constituting the first active layer; and a third electrode, the first conductor portion being provided between the first light shielding layer and the third electrode. The first light shielding layer and the first conductor portion form a first capacitance, and the third electrode and the first conductor portion form a second capacitance.

公开(公告)号：US20190109153A1

公开(公告)日：2019-04-11

申请号：US15992352

申请日：2018-05-30

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Guoying WANG ,  Zhen SONG

IPC: H01L27/12

CPC classification number: H01L27/124 ,  H01L27/1248 ,  H01L27/1262 ,  H01L27/156 ,  H01L27/3258 ,  H01L27/3272 ,  H01L51/5209 ,  H01L51/5218 ,  H01L51/5271

Abstract: The present disclosure provides an array substrate and a method for manufacturing the same, a display apparatus. The array substrate includes a base substrate and a plurality of pixel units arranged on the base substrate, each of the pixel units includes a thin film transistor and an electroluminescent device, the thin film transistor and the electroluminescent device are successively arranged on the base substrate in a direction away from the base substrate, the electroluminescent device includes a first electrode, a light emitting layer and a second electrode which are successively arranged in the direction away from the base substrate, the first electrode includes a reflective material, a convex structure is provided between first electrodes of any two adjacent electroluminescent devices, and the first electrodes of the electroluminescent devices extend to side walls of the convex structure, respectively.

公开(公告)号：US20190058012A1

公开(公告)日：2019-02-21

申请号：US16008493

申请日：2018-06-14

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Zhen SONG ,  Guoying WANG ,  Fengjuan LIU

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

Abstract: An OLED display panel includes a cover and a backplane, a plurality of color filter (CF) units are arranged in an array on the cover; auxiliary cathodes are filled into gaps among the CF units; the auxiliary cathodes include a black matrix, a buffer layer and a metal layer; a planarization layer is disposed on the auxiliary cathodes and the CF units; a plurality of openings are disposed in the planarization layer at locations corresponding to the auxiliary cathodes; a plurality of spacers are disposed on the planarization layer at locations corresponding to the auxiliary cathodes; the spacers abut against and support the cover and the backplane; a transparent electrode layer is disposed on the planarization layer and the spacers and is communicated with the auxiliary cathodes via the openings; and the plurality of CF units of the cover and pixel regions of the backplane are oppositely arranged.

公开(公告)号：US20190011831A1

公开(公告)日：2019-01-10

申请号：US15744966

申请日：2017-07-07

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Wei LI ,  Zhen SONG ,  Dini XIE

IPC: G03F7/00 ,  H01L27/32 ,  H01L51/56 ,  B41J2/01

Abstract: The present disclosure provides a method for manufacturing a display substrate, relating to the field of manufacturing technology for display substrate, and can address at least in part a problem of insufficient flatness of a planarization layer, complex manufacturing process and high cost of a prior art display substrate. The method for manufacturing a display substrate according to the present disclosure includes: forming a curable material layer on a base, the base having a first structure; performing imprinting on the curable material layer using a nano-imprinting mold, so that the curable material layer is planarized, and at the same time a through hole connected to the first structure is formed in the curable material layer; curing the curable material layer to form a planarization layer; and forming a second structure connected to the first structure via the through hole.

公开(公告)号：US20230200144A1

公开(公告)日：2023-06-22

申请号：US17999002

申请日：2021-10-22

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Guoying WANG ,  Pan XU ,  Xing ZHANG ,  Ying HAN ,  Zhan GAO ,  Zhen SONG

IPC: H10K59/122 ,  H10K59/121 ,  H10K59/12

CPC classification number: H10K59/122 ,  H10K59/1216 ,  H10K59/1201

Abstract: The present disclosure provides a display panel, a display apparatus, and a fabrication method. The display panel includes: a substrate; a first insulating layer on the substrate; a device structure layer on the first insulating layer and including a transparent capacitor and a transistor; a first planarization layer that covers the device structure layer; a first electrode layer on the first planarization layer; a pixel defining layer on the side of the first planarization layer and device structure layer away from the substrate, wherein an orthographic projection of an opening of the pixel defining layer on the substrate at least partially overlaps with an orthographic projection of the transparent capacitor on the substrate; a functional layer at least partially located in the opening; and a second electrode layer on the side of the functional layer away from the first electrode layer.