公开(公告)号：US12254157B2

公开(公告)日：2025-03-18

申请号：US18274204

申请日：2022-07-12

Applicant: BOE Technology Group Co., Ltd.

Inventor： Mengyang Wen ,  Jianchao Zhu ,  Guangliang Shang ,  Xinbin Han ,  Ziyang Yu ,  Pan Zhao

IPC: G06F3/044

Abstract: A touch display panel and an electronic product. The touch display panel includes a display substrate, a first conductive layer, a touch insulation layer, a second electrode layer, and a shielding conductive pattern; the display substrate includes a signal line, a first electrode layer and a second electrode layer; the first conductive layer includes a touch conductive structure, which includes touch electrodes, the first electrode layer includes first electrodes, and the second electrode layer includes a plurality of second electrodes; an orthographic projection of the shielding conductive pattern on the base substrate overlaps with that of the signal line and that of at least one of the plurality of touch electrodes respectively, the shielding conductive pattern is located in the first conductive layer and insulated from the touch conductive structure, or the shielding conductive pattern is located in the second electrode layer and insulated from the second electrode.

公开(公告)号：US12223893B2

公开(公告)日：2025-02-11

申请号：US17764993

申请日：2021-05-28

Applicant: BOE Technology Group Co., Ltd.

Inventor： Can Zheng ,  Li Wang ,  Long Han ,  Jianchao Zhu ,  Libin Liu

IPC: G09G3/32 ,  G09G3/3233 ,  H10K59/12 ,  H10K59/121 ,  H10K59/131 ,  H10K59/35 ,  H10K71/00

Abstract: Disclosed are a display substrate and a preparation method thereof, and a display apparatus. The display substrate includes a substrate and a plurality of sub-pixels, at least one sub-pixel includes a pixel drive circuit and a light emitting device connected to the pixel drive circuit, the pixel drive circuit includes a plurality of transistors, wherein at least one transistor includes an active layer and two gate electrodes. The substrate is provided with a semiconductor layer and a plurality of conductive layers disposed on one side of the semiconductor layer away from the substrate, at least one conductive layer is provided with at least one electrode plate, and there is an overlapping region between an orthographic projection of the electrode plate on the substrate and an orthographic projection of the active layer between the two gate electrodes on the substrate.

公开(公告)号：US12219834B2

公开(公告)日：2025-02-04

申请号：US17763659

申请日：2021-05-12

Applicant: BOE Technology Group Co., Ltd.

Inventor： Xueyan Tian ,  Chengjie Qin ,  Jianchao Zhu ,  Dengyun Chen ,  Liangjian Li

IPC: H01L27/32 ,  H10K50/86 ,  H10K59/131 ,  H10K71/00 ,  H10K59/12

Abstract: A display substrate includes a display region and a binding region located on one side of the display region, the display region includes a display structure layer, a protective layer provided on the display structure layer and a reflective layer provided on the protective layer, and the display structure layer includes a drive structure layer, a light-emitting structure layer and an encapsulating structure layer stacked on a base; the binding region includes a binding structure layer, a protective layer provided on the binding structure layer at one side of the binding region close to the display region, and a reflective layer provided on the protective layer, and the binding structure layer includes a lead wire structure layer provided on the base, a binding pad provided on the lead wire structure layer and an inorganic encapsulating layer.

公开(公告)号：US20240290275A1

公开(公告)日：2024-08-29

申请号：US18245534

申请日：2022-05-31

Applicant: BOE Technology Group Co., Ltd.

Inventor： Jiangnan Lu ,  Zhenzhen Shan ,  Jianchao Zhu ,  Guangliang Shang ,  Xing Yao

IPC: G09G3/3266

CPC classification number: G09G3/3266 ,  G09G2310/08

Abstract: A scan circuit having a plurality of stages is provided. A respective stage includes a respective scan unit configured to provide a control signal to at least a row of subpixels. The respective scan unit includes an input subcircuit configured to receive a start signal or an output signal from a previous scan unit, a first processing subcircuit, a second processing subcircuit, and an output subcircuit. The output subcircuit includes a first output transistor. The input subcircuit includes a first input transistor and a second input transistor sequentially coupled between an input terminal and a first node. The first node is coupled to a gate electrode of the first output transistor. The first processing subcircuit includes a first switch transistor and a second switch transistor coupled between the first node and a first reference terminal. The first reference terminal is configured to receive a first reference signal.

公开(公告)号：US20240265870A1

公开(公告)日：2024-08-08

申请号：US18556403

申请日：2023-01-29

Applicant: BOE Technology Group Co., Ltd.

Inventor： Yu Feng ,  Jianchao Zhu

IPC: G09G3/3233 ,  H10K59/131

CPC classification number: G09G3/3233 ,  H10K59/131 ,  G09G2300/0426 ,  G09G2300/0842 ,  G09G2300/0861 ,  G09G2310/08

Abstract: Provided are a display substrate, a display panel, and a display device. The display substrate includes a base substrate, pixel circuits, groups of data lines, and first power lines. At least one column of pixel circuits is electrically connected to at least one group of data lines and includes first and second pixel circuits alternately arranged in the second direction. The at least one group of data lines includes first and second data lines. For the at least one column of pixel circuits, input transistors of first and second pixel circuits are electrically connected to first and second data lines, respectively. In the first direction, the first data line, the first power line and the second data line are arranged in sequence, and input transistors of first and second pixel circuits are respectively located on a side of the first power line close to the first and second data line.

公开(公告)号：US11631351B2

公开(公告)日：2023-04-18

申请号：US17245026

申请日：2021-04-30

Applicant: BOE Technology Group Co., Ltd.

Inventor： Xinshe Yin ,  Xinbin Han ,  Jianchao Zhu ,  Guangliang Shang

IPC: G09G3/00 ,  G09G3/3208

Abstract: Disclosed in the embodiments of the present disclosure are a current detection device and a display device. The current detection device includes: a plurality of detection circuits; the detection circuit includes: a feedback compensation circuit and a current detection circuit; and the feedback compensation circuit is configured to generate a noise inversion signal by inverting a noise AC signal generated on the predetermined power line in the display panel and to provide the noise inversion signal to a first end of the current detection circuit; and the current detection circuit is configured to output a detection signal to the signal output end according to the noise inversion signal, the signal on the detection line and the signal of the reference voltage end.

公开(公告)号：US10585301B2

公开(公告)日：2020-03-10

申请号：US15995999

申请日：2018-06-01

Applicant: BOE TECHNOLOGY GROUP CO., LTD. ,  ORDOS YUANSHENG OPTOELECTRONICS CO., LTD.

Inventor： Jianchao Zhu

IPC: G02F1/13 ,  G09G3/3208 ,  G09G3/34 ,  G02B26/00

Abstract: The present disclosure provides a viewing angle switching structure, a display device and a viewing angle switching method. The viewing angle switching structure includes a plurality of viewing angle switching units corresponding to pixels on a display panel. Each viewing angle switching unit includes: an accommodation cavity; a first solution layer and a second solution layer in the accommodation cavity, a liquid interface being formed between the first and the second solution layers; and an electric field driving unit configured to generate a driving electric field to be applied to the accommodation cavity. The first solution layer has a refractive index different from the second solution layer. The first solution layer includes a transparent conductive solution and the second solution layer includes a transparent non-conductive solution. A shape of the liquid interface between the first and the second solution layers is changeable under the effect of the driving electric field.

公开(公告)号：US12293049B2

公开(公告)日：2025-05-06

申请号：US18031282

申请日：2022-05-31

Applicant: BOE Technology Group Co., Ltd.

Inventor： Hao Liu ,  Jianchao Zhu ,  Mengyang Wen ,  Zibo Ni ,  Guangliang Shang ,  Libin Liu

IPC: G06F3/044 ,  G06F3/041 ,  G06F3/045

Abstract: The present disclosure provides a touch display panel. The touch display panel includes a display substrate and a touch layer, wherein the touch layer includes a plurality of touch units and a plurality of touch lines which are disposed on the display substrate; wherein the touch lines are connected to at least one touch unit and are configured to electrically connect the touch unit connected thereto to a touch integrated circuit; the plurality of touch lines at least include a first trace and a second trace which are disposed in a non-display region, a length of the first trace being greater than a length of the second trace, and a cross-sectional area of the first trace being larger than a cross-sectional area of the second trace.

公开(公告)号：US12236883B2

公开(公告)日：2025-02-25

申请号：US18566530

申请日：2021-06-25

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Xinshe Yin ,  Guangliang Shang ,  Hualing Yang ,  Xinbin Han ,  Jianchao Zhu

IPC: G09G3/3241

Abstract: A current detection device for detecting a current on the sense line, and compensating for a grayscale of a pixel in accordance with a difference in the detected currents, so as to provide the pixels with uniform brightness. An integration operation is performed on a sense line through an integration sub-circuitry to obtain an output voltage, and the current on the sense line is determined in accordance with the output voltage.

公开(公告)号：US20240315076A1

公开(公告)日：2024-09-19

申请号：US18028017

申请日：2022-06-24

Applicant: BOE Technology Group Co., Ltd.

Inventor： Shanshan Bai ,  Jianchao Zhu ,  Guangliang Shang ,  Danyang Ma

IPC: H10K59/121 ,  C23C14/04 ,  H10K59/35 ,  H10K59/80 ,  H10K71/16

CPC classification number: H10K59/121 ,  C23C14/042 ,  H10K59/80521 ,  H10K59/353 ,  H10K71/166

Abstract: A display panel includes a first displaying region and a second displaying region; the second displaying region is located in a first region of a display surface of the display panel, and a pixel density of the second displaying region is a preset multiple of a pixel density of the first displaying region, whereby a transmittance of the second displaying region is greater than a transmittance of the first displaying region; the second displaying region is provided with first cathode-removal regions, and the first cathode-removal regions are located in gaps between at least two pixel units in the second displaying region; and the preset multiple is a multiple value less than 1 and greater than 0, and the first region is a region facing a region of a bottom of the display surface of the display panel where a functional element is provided.