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：US12232363B2

公开(公告)日：2025-02-18

申请号：US17281266

申请日：2020-08-19

Applicant: BOE Technology Group Co., Ltd.

Inventor： Pan Xu ,  Yongqian Li ,  Guoying Wang ,  Dacheng Zhang ,  Chen Xu ,  Lang Liu ,  Xing Zhang ,  Ling Wang ,  Yicheng Lin ,  Ying Han

IPC: H10K59/121 ,  H10K59/126 ,  H10K59/131 ,  H10K59/12

Abstract: Provided are a display substrate, a manufacturing method thereof and a display apparatus. The display substrate includes multiple sub-pixels, wherein each sub-pixel includes a light-emitting region and a non-light-emitting region, and each sub-pixel is provided with a drive circuit; the drive circuit includes a storage capacitor and multiple transistors; for each sub-pixel, the multiple transistors are in the non-light-emitting region, the storage capacitor is a transparent capacitor, and an orthographic projection of the storage capacitor on a base substrate coincides with the light-emitting region. A first electrode of the storage capacitor is disposed in a same layer as an active layer of the multiple transistors, but in a different layer from source and drain electrodes of the multiple transistors, and a second electrode of the storage capacitor is on a side of the first electrode close to the base substrate.

公开(公告)号：US12075644B2

公开(公告)日：2024-08-27

申请号：US17270969

申请日：2020-05-15

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Guoying Wang ,  Zhen Song

IPC: H10K50/824 ,  H10K59/12 ,  H10K59/121 ,  H10K59/122 ,  H10K59/124 ,  H10K59/126 ,  H10K59/131 ,  H10K71/00

CPC classification number: H10K50/824 ,  H10K59/1216 ,  H10K59/122 ,  H10K59/124 ,  H10K59/126 ,  H10K59/1315 ,  H10K71/00 ,  H10K59/1201

Abstract: An array substrate includes: a base; light shield layers and a first auxiliary electrode that are disposed on the base; at least one insulating layer covering the light shield layers and the first auxiliary electrode; first electrodes that are disposed on the at least one insulating layer, a conductive connection portion; a pixel definition layer defining light-emitting regions and covering the conductive connection portion; organic light-emitting layers disposed on the first electrodes and located in the light-emitting regions defined by the pixel definition layer; and at least one second electrode covering the pixel definition layer and the organic light-emitting layers. A second electrode is electrically connected to the conductive connection portion through a via that penetrates through the pixel definition layer. The conductive connection portion is electrically connected to the first auxiliary electrode through a via that penetrates through the at least one insulating layer.

公开(公告)号：US12063813B2

公开(公告)日：2024-08-13

申请号：US17288571

申请日：2020-08-03

Applicant: BOE Technology Group Co., Ltd.

Inventor： Zhen Song ,  Guoying Wang

IPC: H10K59/121 ,  H10K59/126 ,  H10K59/131 ,  H10K59/35 ,  H10K59/38 ,  H10K59/12

CPC classification number: H10K59/1213 ,  H10K59/1216 ,  H10K59/126 ,  H10K59/131 ,  H10K59/353 ,  H10K59/38 ,  H10K59/1201

Abstract: A display substrate, includes a plurality of subpixels arranged in a matrix. Each subpixel is provided with a pixel driver circuit that includes a plurality of thin film transistors and a storage capacitor. The storage capacitor of a present subpixel among the plurality of subpixels and the storage capacitor of an adjacent subpixel adjacent to the current subpixel are disposed in a shared capacitance region of the present subpixel and the adjacent subpixel, and the storage capacitor of the present subpixel and the storage capacitor of the adjacent subpixel are stacked.

公开(公告)号：US11984067B2

公开(公告)日：2024-05-14

申请号：US17421264

申请日：2021-01-11

Applicant: BOE Technology Group Co., Ltd.

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

IPC: G09G3/3208 ,  H10K59/65 ,  H10K59/12

CPC classification number: G09G3/3208 ,  H10K59/65 ,  G09G2300/0426 ,  G09G2320/02 ,  G09G2360/145 ,  H10K59/12

Abstract: A display substrate, a display panel, and a display device are provided. The display substrate includes a substrate, a plurality of sub-pixels located on the substrate, a plurality of driving circuits and a plurality of light sensors, an orthographic projection of the light sensors on the substrate is within a range of an orthographic projection of the driving circuits on the substrate.

公开(公告)号：US11770958B2

公开(公告)日：2023-09-26

申请号：US17749250

申请日：2022-05-20

Applicant: BOE Technology Group Co., Ltd.

Inventor： Zhen Song ,  Guoying Wang

IPC: H10K59/35 ,  H10K59/131 ,  H10K71/00 ,  H10K50/86 ,  H10K59/38

CPC classification number: H10K59/353 ,  H10K59/131 ,  H10K59/351 ,  H10K71/00 ,  H10K50/865 ,  H10K59/38

Abstract: The present disclosure generally relates to display technologies. A display substrate includes a first base substrate including a plurality of pixel units arranged in an array, at least one of the plurality of pixel units including at least two sub-pixel units and a transparent area. The at least two sub-pixel units includes a first sub-pixel unit that is arranged between transparent areas of adjacent pixel units in a first direction. An orthographic projection of a pixel drive circuit electrically coupled to the first sub-electrode corresponding to the first sub-pixel unit on the first base substrate partially overlaps with an orthographic projection of a first sub-electrode positionally corresponding to another sub-pixel unit on the first base substrate.

公开(公告)号：US11532754B2

公开(公告)日：2022-12-20

申请号：US16334354

申请日：2018-11-01

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Zhen Song ,  Guoying Wang

IPC: H01L29/786 ,  H01L27/12 ,  H01L27/32 ,  G02F1/1362

Abstract: An array substrate includes a substrate, an active layer, and an amorphous silicon shielding layer. The substrate has a first surface and a second surface, which are opposing to each other. The active layer is over the first surface of the substrate. The amorphous silicon shielding layer includes amorphous silicon, and is between the active layer and the substrate, or alternatively is disposed over a side of the substrate proximal to the second surface of the substrate. An orthographic projection of the amorphous silicon shielding layer on the first surface at least partially and preferably completely covers an orthographic projection of the active layer on the first surface such that the amorphous silicon shielding layer shields a light from shedding onto the active layer.

公开(公告)号：US11508939B2

公开(公告)日：2022-11-22

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 device. 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：US11489020B2

公开(公告)日：2022-11-01

申请号：US16759832

申请日：2019-06-11

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Guoying Wang ,  Zhen Song

IPC: H01L27/32 ,  H01L27/22 ,  H01L31/173 ,  H01L31/16 ,  H01L31/14

Abstract: An optical sensor device, a method for fabricating the same, and a display device are disclosed. The optical sensor device includes a display region and a non-display region. In the display non-display region, the optical sensor device includes a thin film transistor, including an active layer, a gate insulating layer, a gate layer, a source and drain layer, and an interlayer dielectric layer. In the non-display display region, the optical sensor device includes a first insulating layer, a conductive layer and a second insulating layer which are stacked sequentially. The conductive layer is arranged in a same layer as the source and drain layer or the gate layer. In the non-display display region, the first insulating layer is provided with a first through-hole, and the optical sensor device further includes a photo-sensitive device in the first through-hole.