公开(公告)号：US10777627B2

公开(公告)日：2020-09-15

申请号：US16453058

申请日：2019-06-26

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Zhen Song ,  Guoying Wang

IPC: H01L27/32

Abstract: The present disclosure provides an organic light emitting display substrate and a method for manufacturing the same. The organic light emitting display substrate includes a substrate, and a drive transistor and an organic light emitting diode disposed on the substrate. In a direction away from the substrate, the organic light emitting diode successively includes: a first reflective electrode, an organic light emitting layer, and a second reflective electrode. A drain of the drive transistor is electrically coupled to the first reflective electrode. The organic light emitting display substrate further includes a light guide layer. One side surface of the light guide layer is the light incident surface. The light incident surface is disposed opposite to the light outgoing surface of the organic light emitting diode so that the light emitted from the light outgoing surface enters the light guide layer.

公开(公告)号：US10707236B2

公开(公告)日：2020-07-07

申请号：US16061078

申请日：2017-10-26

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Zhen Song ,  Guoying Wang ,  Fengjuan Liu

IPC: H01L29/04 ,  H01L27/12 ,  H01L29/786 ,  H01L27/32 ,  H01L21/77 ,  G02F1/1362

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：US12217695B2

公开(公告)日：2025-02-04

申请号：US17794994

申请日：2021-08-24

Applicant: BOE Technology Group Co., Ltd.

Inventor： Pan Xu ,  Hongli Wang ,  Danyang Ma ,  Guoying Wang ,  Xing Zhang ,  Chengyuan Luo ,  Ying Han

IPC: G09G3/3266 ,  H10K59/131

Abstract: A display substrate includes an underlayer substrate and a circuit structure layer. The circuit structure layer is located in a display area of the underlayer substrate. The circuit structure layer includes at least one first circuit area and at least one second circuit area. The first circuit area includes at least one first gate drive circuit; the second circuit area includes at least one second gate drive circuit. The first gate drive circuit is cascaded with the second gate drive circuit. The first gate drive circuit includes a plurality of cascaded first gate drive units, and the second gate drive circuit includes a plurality of cascaded second gate drive units. A plurality of first gate drive units are sequentially arranged in a second direction, and a plurality of second gate drive units are sequentially arranged in the second direction.

公开(公告)号：US12137584B2

公开(公告)日：2024-11-05

申请号：US17831557

申请日：2022-06-03

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Guoying Wang ,  Zhen Song

IPC: H10K59/12 ,  H10K59/122 ,  H10K59/124 ,  H10K59/35 ,  H10K59/38 ,  H10K71/00 ,  G02F1/1335 ,  H01L33/12 ,  H01L33/42 ,  H10K10/46 ,  H10K50/828 ,  H10K59/121 ,  H10K59/123

Abstract: The present disclosure provides a display panel, a display device, and a method for manufacturing a display panel. The display panel includes a pixel unit. The pixel unit includes a plurality of sub-pixel units. Each of the plurality of sub-pixel units includes at least one transparent film layer. Each of the plurality of sub-pixel units is divided into a light-emitting area and a light-transmitting area, and the quantity of the transparent film layer in the light-transmitting area is smaller than the quantity of the transparent film layer in the light-emitting area.

公开(公告)号：US12058880B2

公开(公告)日：2024-08-06

申请号：US17297088

申请日：2020-10-22

Applicant: BOE Technology Group Co., Ltd.

Inventor： Pan Xu ,  Yicheng Lin ,  Ling Wang ,  Guoying Wang ,  Ying Han ,  Xing Zhang

IPC: H10K50/824 ,  H10K50/844 ,  H10K59/122 ,  H10K71/00 ,  H10K102/00

CPC classification number: H10K50/824 ,  H10K50/844 ,  H10K71/00 ,  H10K59/122 ,  H10K2102/3026

Abstract: A display substrate, a manufacturing method thereof, and a display panel. The display substrate includes a base, a first electrode, a first auxiliary cathode, a second electrode and a second auxiliary cathode, a pixel definition layer and a cathode. The first and second electrodes are located in the display area and the first and second auxiliary cathodes are located in the non-emitting area. The orthogonal projections of the first auxiliary cathode and the second auxiliary cathode on the base are in a mesh structure. The pixel definition layer is at least located in the non-emitting area. The cathode at least covers the display area and the cathode is arranged on one side of the pixel definition layer far away from the base; wherein the cathode, the first auxiliary cathode and the second auxiliary cathode are electrically connected.

公开(公告)号：US20240206249A1

公开(公告)日：2024-06-20

申请号：US17790623

申请日：2021-08-23

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Xing Zhang ,  Pan Xu ,  Dacheng Zhang ,  Ying Han ,  Guoying Wang ,  Zhan Gao ,  Chengyuan Luo ,  Yi Chen

IPC: H10K59/131 ,  H10K59/124

CPC classification number: H10K59/131 ,  H10K59/124

Abstract: Provided is a display panel. The display panel includes: a base substrate, including a display region and a peripheral region adjacent to the display region; a first power trace, disposed in the peripheral region and on a side of the base substrate; a connecting trace, disposed in the peripheral region and on a side of the base substrate; a plurality of signal lines, disposed in the display region and the peripheral region; an insulating layer, disposed in the display region and the peripheral region; and a cathode layer, disposed in the display region and the peripheral region.

公开(公告)号：US20240008333A1

公开(公告)日：2024-01-04

申请号：US18041698

申请日：2022-06-29

Applicant: BOE Technology Group Co., Ltd.

Inventor： Ying Han ,  Pan Xu ,  Guoying Wang ,  Xing Zhang ,  Chengyuan Luo ,  Mingi Chu ,  Dacheng Zhang

IPC: H10K59/131 ,  H10K59/121

CPC classification number: H10K59/1315 ,  H10K59/1213

Abstract: A display substrate and a display device are provided. The display substrate includes: a base substrate; a plurality of pixel units arranged on the base substrate, the plurality of pixel units are arranged in an array in a first direction and a second direction, each pixel unit includes a plurality of sub-pixels, each sub-pixel includes a light emitting element and a pixel driving circuit used to drive the light emitting element, and the pixel driving circuit includes a first transistor; and a plurality of gate lines arranged on the base substrate, the plurality of gate lines include a plurality of first gate lines used to provide a scanning signal to gate electrodes of the first transistors of the pixel driving circuits in a plurality of rows of sub-pixels respectively. At least one first gate line includes a first gate sub-line, a second gate sub-line and a plurality of connecting lines.

公开(公告)号：US11489029B2

公开(公告)日：2022-11-01

申请号：US16964127

申请日：2019-12-20

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Zhen Song ,  Guoying Wang

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

Abstract: A transparent display substrate includes a first base and a plurality of sub-pixels disposed on the first base. At least one sub-pixel of the plurality of sub-pixels has a light-emitting region and a transparent region. In the at least one sub-pixel, each sub-pixel includes at least one thin-film transistor, a capacitor and a self-luminescent device that are located in the light-emitting region of the sub-pixel. The self-luminescent device is disposed on a side of the capacitor away from the at least one thin film transistor in a direction perpendicular to the first base. The at least one thin film transistor and the capacitor are electrically connected.

公开(公告)号：US11417716B2

公开(公告)日：2022-08-16

申请号：US16617788

申请日：2019-06-05

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Guoying Wang ,  Zhen Song

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

Abstract: A display substrate includes a substrate (10) that is divided into a plurality of subpixel areas, a drive transistor (20) and a photodetector (30) in each of the plurality of subpixel areas, and an insulation layer (40) on the photodetector (30). The drive transistor (20) includes an electrode layer that includes a source electrode (21) and a drain electrode (22). The photodetector (30) is coupled to one of the source electrode (21) and the drain electrode (22). An entirety of an orthographic projection of the insulation layer (40) on the substrate is inside an orthographic projection of the electrode layer on the substrate (10).

公开(公告)号：US11380747B2

公开(公告)日：2022-07-05

申请号：US16454359

申请日：2019-06-27

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Guoying Wang ,  Zhen Song

IPC: H01L27/32 ,  H01L33/42 ,  H01L33/12 ,  H01L51/52 ,  G02F1/133 ,  H01L51/56 ,  G02F1/1335

Abstract: The present disclosure provides a display panel, a display device, and a method for manufacturing a display panel. The display panel includes a pixel unit. The pixel unit includes a plurality of sub-pixel units. Each of the plurality of sub-pixel units includes at least one transparent film layer. Each of the plurality of sub-pixel units is divided into a light-emitting area and a light-transmitting area, and the quantity of the transparent film layer in the light-transmitting area is smaller than the quantity of the transparent film layer in the light-emitting area.