公开(公告)号：US12266309B2

公开(公告)日：2025-04-01

申请号：US18158254

申请日：2023-01-23

Applicant: BOE Technology Group Co., Ltd.

Inventor： Yanyan Wang ,  Lujiang Huangfu ,  Wenjing Tan

IPC: G09G3/3258 ,  H10K59/35

Abstract: A display substrate, a driving method thereof, and a display device. The display substrate includes: a first display sub-region including a plurality of first repeating regions each including a first pixel unit and a second pixel unit disposed adjacently, the first pixel unit including a first sub-pixel and a second sub-pixel, and the second pixel unit including a second sub-pixel and a third sub-pixel; and a second display sub-region including a plurality of second repeating regions each including a third pixel unit and a first transparent pixel, the third pixel unit including a first sub-pixel, a second sub-pixel and a third sub-pixel; the first transparent pixel is configured such that a pixel density of the second display sub-region is less than a pixel density of the first display sub-region, and a light transmittance of the second display sub-region is greater than a light transmittance of the first display sub-region.

公开(公告)号：US20240265841A1

公开(公告)日：2024-08-08

申请号：US18640047

申请日：2024-04-19

Applicant: BOE Technology Group Co., Ltd.

Inventor： Zhenzhen LI ,  Kuo Sun ,  Lujiang Huangfu ,  Shanshan Bai

IPC: G09G3/20 ,  G07F17/32 ,  G07F17/34

CPC classification number: G09G3/2074 ,  G07F17/3213 ,  G07F17/3218 ,  G07F17/3225 ,  G07F17/3244 ,  G07F17/3267 ,  G07F17/34 ,  G09G2300/0452 ,  G09G2320/0233

Abstract: A display substrate, a method for driving the same, a display device, and a fine metal mask are provided, and a display area of the display substrate includes a first display sub-area in which pixels are distributed at a high density, and a second display sub-area in which pixels are distributed at a low density.

公开(公告)号：US12035581B2

公开(公告)日：2024-07-09

申请号：US17255884

申请日：2019-11-21

Applicant: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD. ,  BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Tingliang Liu ,  Huijuan Yang ,  Yi Zhang ,  Sangwon Lee ,  Yu Wang ,  Lujiang Huangfu

IPC: H10K59/131 ,  H10K50/81 ,  H10K50/813 ,  H10K59/121 ,  H10K71/00 ,  H10K59/12

CPC classification number: H10K59/131 ,  H10K50/81 ,  H10K50/813 ,  H10K59/1216 ,  H10K71/00 ,  H10K59/1201

Abstract: A display panel, a method for manufacturing the display panel and a display device are provided. The display panel includes a base, a functional film layer, and a plurality of first light-emitting elements. The functional film layer includes a power source signal line layer, a data line layer and a compensation functional layer, the power source signal line layer includes a power source signal line pattern arranged at each subpixel region, the data line layer includes a data line pattern arranged at each subpixel region, and the compensation functional layer includes a compensation functional pattern arranged at at least one subpixel region. The first light-emitting element includes a first anode, a first light-emitting pattern and a first cathode sequentially laminated.

公开(公告)号：US11903289B2

公开(公告)日：2024-02-13

申请号：US17948576

申请日：2022-09-20

Applicant: BOE Technology Group Co., Ltd.

Inventor： Yipeng Chen ,  Lujiang Huangfu ,  Libin Liu

IPC: G09G3/3233 ,  H10K59/35 ,  H10K59/126 ,  H10K59/131 ,  H10K59/12

CPC classification number: H10K59/353 ,  G09G3/3233 ,  H10K59/126 ,  H10K59/131 ,  H10K59/352 ,  G09G2300/0452 ,  G09G2300/0842 ,  H10K59/1201

Abstract: A display panel, a method of manufacturing the same, and a display device are provided. In the display panel, sub-pixel areas in a same row along a first direction are divided into a plurality of sub-pixel area groups independent from each other, and each sub-pixel area group includes at least two adjacent sub-pixel areas, a connection layer includes a connection pattern arranged in each sub-pixel area, and the connection pattern is coupled to the initialization signal line pattern in the sub-pixel area wherein the connection pattern is located, connection patterns located in a same sub-pixel area group are sequentially coupled along the first direction to form the connection portion; at least part of a first auxiliary signal line layer is located in an anode spacing area, and is insulated from an anode pattern, the connection pattern in each sub-pixel area group is coupled to the first auxiliary signal line layer.

公开(公告)号：US11900853B2

公开(公告)日：2024-02-13

申请号：US18126066

申请日：2023-03-24

Applicant: BOE Technology Group Co., Ltd.

Inventor： Zhenzhen Li ,  Lujiang Huangfu ,  Shanshan Bai ,  Kuo Sun

IPC: G09G3/20

CPC classification number: G09G3/2074 ,  G09G2320/0673 ,  G09G2320/0686 ,  G09G2340/0407

Abstract: A display substrate, a method for driving the same, a display device, and a high-precision metal mask are provided. The display area includes a first display sub-area in which pixels are distributed at a high density (e.g., a high resolution), and a second display sub-area in which pixels are distributed at a low density (e.g., a low resolution), and a transition display sub-area, with a distribution density of pixels (a resolution) between the distribution density of pixels in the first display sub-area and a distribution density of pixels in the second display sub-area, is arranged between the first display sub-area and the second display sub-area.

公开(公告)号：US11805682B2

公开(公告)日：2023-10-31

申请号：US17366704

申请日：2021-07-02

Applicant: BOE Technology Group Co., Ltd.

Inventor： Yipeng Chen ,  Li Wang ,  Lujiang Huangfu

IPC: H01L29/08 ,  H10K59/121 ,  G09G3/3291 ,  H10K59/126

CPC classification number: H10K59/1216 ,  G09G3/3291 ,  H10K59/126 ,  H10K59/1213

Abstract: An organic light emitting diode display substrate, comprises: a base substrate, and a first data line, a driving thin film transistor and an energy storage capacitor, wherein the energy storage capacitor comprises a first capacitor plate and a second capacitor plate disposed opposite to each other, and the second capacitor plate is electrically connected to a gate of the driving thin film transistor, in a direction away from the base substrate, the first capacitor plate is disposed between the first data line and the second capacitor plate. The display substrate further comprises a power line and a voltage equalizing line which are electrically connected, the power line extends in a first direction which is substantially parallel to a direction in which the first data line extends, and the voltage equalizing line extends in a second direction. A method of manufacturing the display substrate and a display device are also provided.

公开(公告)号：US11765943B2

公开(公告)日：2023-09-19

申请号：US17281606

申请日：2020-05-08

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Qian Yang ,  Lujiang Huangfu ,  Libin Liu

IPC: H01L27/32 ,  H01L51/56 ,  H10K59/122 ,  H10K59/35 ,  H10K71/00 ,  G03F1/00 ,  G03F1/38 ,  H10K59/12

CPC classification number: H10K59/122 ,  G03F1/00 ,  G03F1/38 ,  H10K59/351 ,  H10K59/352 ,  H10K59/353 ,  H10K71/00 ,  H10K59/1201

Abstract: Provided are an array substrate and a manufacturing method therefor, a display device, and a mask plate. The array substrate includes a pixel defining layer having a first opening, a second opening, and a third opening passing through the pixel defining layer. Every two of the first to third openings are adjacent to each other. The pixel defining layer includes first to third opening denning portions. At least one of the ratio of the slope angle of a portion of the first opening defining portion located between the first opening and the second opening to the slope angle of the third opening defining portion, and the ratio of the slope angle of a portion of the second opening defining portion located between the first opening and the second opening to the slope angle of the third opening defining portion is from 0.8 to 1.25.

公开(公告)号：US11600230B2

公开(公告)日：2023-03-07

申请号：US17578175

申请日：2022-01-18

Applicant: BOE Technology Group Co., Ltd.

Inventor： Yanyan Wang ,  Lujiang Huangfu ,  Wenjing Tan

IPC: G09G3/3258 ,  H01L27/32

Abstract: A display substrate, a driving method thereof, and a display device. The display substrate includes: a first display sub-region including a plurality of first repeating regions each including a first pixel unit and a second pixel unit disposed adjacently, the first pixel unit including a first sub-pixel and a second sub-pixel, and the second pixel unit including a second sub-pixel and a third sub-pixel; and a second display sub-region including a plurality of second repeating regions each including a third pixel unit and a first transparent pixel, the third pixel unit including a first sub-pixel, a second sub-pixel and a third sub-pixel; the first transparent pixel is configured such that a pixel density of the second display sub-region is less than a pixel density of the first display sub-region, and a light transmittance of the second display sub-region is greater than a light transmittance of the first display sub-region.

公开(公告)号：US11538392B2

公开(公告)日：2022-12-27

申请号：US16615996

申请日：2019-03-20

Applicant: BOE Technology Group Co., Ltd.

Inventor： Zhenzhen Li ,  Kuo Sun ,  Lujiang Huangfu ,  Shanshan Bai

IPC: G09G3/20 ,  G07F17/32 ,  G07F17/34

Abstract: Disclosed are a display substrate, a method for driving the same, a display device, and a fine metal mask, and a display area of the display substrate includes a first display sub-area in which pixels are distributed at a high density, and a second display sub-area in which pixels are distributed at a low density.

公开(公告)号：US11482170B2

公开(公告)日：2022-10-25

申请号：US17278713

申请日：2020-05-09

Applicant: BOE Technology Group Co., Ltd.

Inventor： Yu Feng ,  Libin Liu ,  Lujiang Huangfu

IPC: G09G3/3233 ,  G09G3/3258 ,  H01L27/12 ,  H01L27/32

Abstract: The display panel includes: a base substrate; a silicon semiconductor layer, the silicon semiconductor layer including active silicon layers of a driving transistor and an initialization transistor, each of the active silicon layers being provided with a first region, a second region and a first channel region therebetween; a first insulating layer, a first conducting layer, a second insulating layer and an oxide semiconductor layer, the oxide semiconductor layer including an active oxide layer of a voltage stabilizing transistor, the oxide semiconductor layer being provided with a third region, a fourth region and a second channel region therebetween. In the same sub-pixel, the second region of the active silicon layer of the initialization transistor is electrically connected to the third region, and the fourth region is electrically connected to a gate electrode of the driving transistor.