公开(公告)号：US11289669B2

公开(公告)日：2022-03-29

申请号：US16643354

申请日：2019-08-27

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Shengji Yang ,  Xue Dong ,  Xiaochuan Chen ,  Hui Wang ,  Pengcheng Lu ,  Kuanta Huang

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

Abstract: The present disclosure provides a light-emitting device, a pixel unit, a method for manufacturing the pixel unit, and a display device. The light-emitting device comprises a first electrode, an organic light-emitting layer and a second electrode which are sequentially disposed on a substrate; the first electrode comprises a reflecting layer, a transparent insulating layer and a transparent contact layer which are sequentially disposed on the substrate; and the second electrode is a semi-transparent electrode, so that a cavity is formed between the second electrode and the reflecting layer.

公开(公告)号：US20210408429A1

公开(公告)日：2021-12-30

申请号：US16960046

申请日：2019-08-23

Applicant: Boe Technology Group Co., Ltd.

Inventor： Shengji YANG ,  Hui Wang ,  Xiaochuan Chen ,  Kuanta Huang ,  Yanming Wang ,  Pengcheng Lu ,  Yage Song ,  Guangtong LIU ,  Jiantong Li

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

Abstract: A display substrate and a manufacturing method thereof are provided. The display substrate includes a base substrate, as well as a first conductive layer, an organic functional layer and a second conductive layer which are on the base substrate sequentially, and the organic functional layer includes a carrier injection layer including a first carrier injection layer portion and a second carrier injection layer portion which are in a first sub-pixel area and a second sub-pixel area respectively; the display substrate further includes a spacer which separates the first carrier injection layer portion and the second carrier injection layer portion, and the carrier injection layer further includes a third carrier injection layer portion which is separated from the first carrier injection layer portion and the second carrier injection layer portion respectively.

公开(公告)号：US20210407379A1

公开(公告)日：2021-12-30

申请号：US16763348

申请日：2019-05-22

Applicant: BOE Technology Group Co., Ltd.

Inventor： Shengji Yang ,  Xiaochuan Chen ,  Hui Wang ,  Kuanta Huang ,  Pengcheng Lu

IPC: G09G3/32 ,  G06F3/041

Abstract: The present application discloses a pixel driving circuit with touch-sensing function. The driving circuit includes a first drive-control sub-circuit, a display-drive sub-circuit, a second drive-control sub-circuit, and an emission-control sub-circuit connected in series to generate a drive-current to drive a light-emission device in the subpixel under control of an emission-control signal in a respective one of multiple emission duty periods of a cycle time for displaying one frame of image. The drive circuit also includes a data-input sub-circuit and a charge sub-circuit to set a first voltage to the control terminal of the display-drive sub-circuit. Additionally, the drive circuit includes a photo-sensing sub-circuit configured to reset a photo-sensing device integrated with the light-emission device in the subpixel for touch sensing in a touch-sensing period before entering any one of the multiple emission duty periods of the cycle time.

公开(公告)号：US10886356B2

公开(公告)日：2021-01-05

申请号：US16394254

申请日：2019-04-25

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Pengcheng Lu ,  Kuanta Huang ,  Xiaochuan Chen ,  Shengji Yang ,  Hui Wang ,  Yanming Wang ,  Weihai Wang ,  Guohong Qin ,  Rongrong Shi ,  Yage Song ,  Jiantong Li

IPC: H01L27/32 ,  H01L27/12 ,  H01L51/52

Abstract: A display panel includes a base substrate, a first electrode contact portion, a light emitting layer, and a first electrode. The first electrode contact portion is disposed on the base substrate and surrounding a display area, and is separated from the display area by an isolation area. The light emitting layer covers the display area and at least a portion of the isolation area, and extends at least partially to an inner edge of the first electrode contact portion or a surface of the first electrode contact portion away from the base substrate. The first electrode is disposed on the light emitting layer and a portion of the first electrode contact portion that is not covered by the light emitting layer.

公开(公告)号：US12268079B2

公开(公告)日：2025-04-01

申请号：US17779784

申请日：2021-02-03

Applicant: BOE Technology Group Co., Ltd.

Inventor： Li Liu ,  Junbo Wei ,  Pengcheng Lu ,  Shengji Yang ,  Kuanta Huang ,  Rongrong Shi ,  Yuanlan Tian ,  Dacheng Zhang

IPC: H10K59/80 ,  H10K59/12 ,  H10K59/123 ,  H10K59/124 ,  H10K59/131 ,  H10K102/00 ,  H10K102/10

Abstract: A display substrate includes: a wafer base (1) provided with a transistor; a metal reflective structure (2) on the wafer base, the metal reflective structure being electrically connected to the transistor, and being provided with a protrusion (21) protruding away from the wafer base; a first insulation layer (3) on a side of the metal reflective structure away from the wafer base, a surface of a portion of the first insulation layer corresponding to the metal reflective structure and facing away from the metal reflective structure being flush with a top face of the protrusion; and a transparent anode (4) on a side of the first insulation layer facing away from the metal reflective structure, the transparent anode being in contact connection with the top face of the protrusion.

公开(公告)号：US20240414955A1

公开(公告)日：2024-12-12

申请号：US18808175

申请日：2024-08-19

Applicant: Yunnan Invensight Optoelectronics Technology Co., Ltd. ,  BOE Technology Group Co., Ltd.

Inventor： Shengji YANG ,  Xiaochuan Chen ,  Xue Dong ,  Hui Wang ,  Dacheng Zhang ,  Kuanta Huang ,  Pengcheng Lu ,  Zhiqiang Jiao

IPC: H10K59/122 ,  H10K59/12 ,  H10K71/60

Abstract: A display panel includes a driving backplane, a first electrode layer, a pixel definition layer, a light-emitting layer and a second electrode. The first electrode layer is disposed on one side of the driving backplane and includes a plurality of first electrodes. The pixel definition layer is arranged on the side, same as the first electrode layer, of the driving backplane and being provided with a pixel opening exposing each of the first electrodes. The pixel definition layer is provided with a separation slot formed between adjacent ones of the first electrodes; and a first cut-off slot is provided on a sidewall of the pixel definition layer. The light-emitting layer covers the cut-off layer and the first electrode layer. The second electrode covers the light-emitting layer.

公开(公告)号：US20240306476A1

公开(公告)日：2024-09-12

申请号：US18028043

申请日：2022-04-27

Applicant: Yunnan Invensight Optoelectronics Technology Co., Ltd. ,  BOE Technology Group Co., Ltd.

Inventor： Hongtao Yu ,  Weiliang Bu ,  Yunhao Zhang ,  Dongdong Su ,  Yuhao Lee ,  Zongshun Yang ,  Hui Tong ,  Kuanta Huang ,  Xiaochuan Chen ,  Hui Wang ,  Fushuang Zhang ,  Chao Yang ,  Qinshan Cai ,  Lingang Wen

IPC: H10K59/80 ,  H10K59/38

CPC classification number: H10K59/879 ,  H10K59/38

Abstract: A display panel includes: a light-emitting baseplate including a plurality of light-emitting components arranged in array; a first light extraction layer located at a light-emitting side of the light-emitting baseplate and including a plurality of first light extraction patterns, orthographic projections of the plurality of first light extraction patterns on the light-emitting baseplate covering at least part area of the light-emitting components; a color filter layer including a plurality of filter patterns, orthographic projections of the plurality of filter patterns on the light-emitting baseplate covering orthographic projections of the plurality of light-emitting components on the light-emitting baseplate; and a second light extraction layer including a plurality of second light extraction patterns, orthographic projections of the second light extraction patterns on the light-emitting baseplate being within the orthographic projections of the plurality of filter patterns on the light-emitting baseplate.

公开(公告)号：US12029065B2

公开(公告)日：2024-07-02

申请号：US16959757

申请日：2019-08-23

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Pengcheng Lu ,  Kuanta Huang ,  Xiaochuan Chen ,  Shengji Yang ,  Xue Dong ,  Hui Wang ,  Yanming Wang

IPC: H10K50/856 ,  H10K59/123 ,  H10K59/126 ,  H10K71/00 ,  H10K59/12 ,  H10K77/10

CPC classification number: H10K50/856 ,  H10K59/123 ,  H10K59/126 ,  H10K71/00 ,  H10K59/1201 ,  H10K77/10

Abstract: A display device, a manufacturing method thereof and a driving substrate are provided. The display device includes: a base substrate, an active area and an edge area; the active area includes a plurality of sub-pixels on the base substrate; each sub-pixel includes: a first reflecting electrode, a light-emitting element a second electrode layer, an insulating layer, a pixel circuit, and a storing capacitor. The edge area includes a plurality of second reflecting electrodes and a light shielding layer.

公开(公告)号：US11903298B2

公开(公告)日：2024-02-13

申请号：US17259373

申请日：2020-03-27

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Junbo Wei ,  Shengji Yang ,  Kuanta Huang ,  Pengcheng Lu ,  Yuanlan Tian

IPC: H01L27/32 ,  H10K59/88 ,  H10K59/131 ,  H10K71/70 ,  H10K59/80 ,  H01L21/66 ,  H10K50/88 ,  H10K77/10 ,  H01L23/00 ,  H10K71/00 ,  H10K102/00

CPC classification number: H10K59/88 ,  H01L22/30 ,  H01L22/32 ,  H10K50/88 ,  H10K59/131 ,  H10K59/873 ,  H10K71/70 ,  H10K77/111 ,  H01L24/05 ,  H01L24/08 ,  H01L2224/05556 ,  H01L2224/05564 ,  H01L2224/05573 ,  H01L2224/08225 ,  H10K59/8731 ,  H10K71/851 ,  H10K2102/351

Abstract: A display panel includes a driving backplane, a plurality of detection pads, a light emitting function layer, and a flexible circuit board. The driving backplane has a pixel driving region and a peripheral region, and the peripheral region has bonding pads; an edge of the driving backplane is surrounded by a first section and a second section, and the bonding pads are located between the first section and the pixel driving region; a plurality of detection pads are disposed in and distributed along the second section; a light emitting function layer is disposed on the driving backplane and located in the pixel driving region; a flexible circuit board extends between the first section and the pixel driving region, and is bonded to the bonding pads; a first packaging layer is disposed on the light emitting function layer.

公开(公告)号：US11903258B2

公开(公告)日：2024-02-13

申请号：US16902288

申请日：2020-06-16

Applicant: BOE Technology Group Co., Ltd.

Inventor： Shengji Yang ,  Hui Wang ,  Xiaochuan Chen ,  Kuanta Huang ,  Pengcheng Lu ,  Yuncui Zhao

IPC: H10K59/122 ,  H10K59/38 ,  H10K71/00 ,  H10K59/12

CPC classification number: H10K59/122 ,  H10K59/38 ,  H10K71/00 ,  H10K59/1201

Abstract: Provided are a display substrate and a preparation method thereof, and a display device. The display substrate includes a plurality of pixel units arranged in a matrix, wherein the pixel units each include a plurality of sub-pixels, the sub-pixels each include a micro-cavity modulation layer and an emitting structure layer, the micro-cavity modulation layer is provided with a reflective electrode, the emitting structure layer includes a first electrode, an emitting layer and a semi-transparent and semi-reflective second electrode which are sequentially disposed on the micro-cavity modulation layer, and a distance between the second electrode and the reflective electrode is different in each sub-pixel.