公开(公告)号：US09947902B2

公开(公告)日：2018-04-17

申请号：US14555777

申请日：2014-11-28

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Libin Liu ,  Lujiang Huangfu

IPC: G09G3/32 ,  H01L51/56 ,  H01L51/00 ,  H01L27/32

CPC classification number: H01L51/56 ,  H01L27/3211 ,  H01L27/3218 ,  H01L27/3276

Abstract: The present invention provides a prefabricated substrate of array substrate, a vapor deposition method, an array substrate and a display apparatus, which can solve a problem that there is a waste of material in a vapor deposition process of the prior art. The prefabricated substrate comprises a plurality of sub-pixel units, each sub-pixel unit comprising a drive unit and a sub-pixel electrode connected with the drive unit, wherein, the drive unit is also connected with a data line and a gate line, and is used for transferring a data voltage signal outputted from the data line to the sub-pixel electrode when the gate line is strobed. The sub-pixel unit further comprises a switch unit connected with the data line and the sub-pixel electrode The switch unit is used for adjusting voltage of the sub-pixel electrode under control of a switch signal outputted from a switch signal line.

公开(公告)号：US09899431B2

公开(公告)日：2018-02-20

申请号：US15513743

申请日：2016-03-14

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Guang Li ,  Libin Liu

IPC: G02F1/1343 ,  H01L27/12 ,  G09G3/36 ,  G09G3/3266 ,  G09G3/3225 ,  G02F1/1345 ,  G02F1/1333 ,  G02F1/1368 ,  G02F1/1362

CPC classification number: H01L27/1255 ,  G02F1/133345 ,  G02F1/134309 ,  G02F1/13454 ,  G02F1/136286 ,  G02F1/1368 ,  G09G3/3225 ,  G09G3/3266 ,  G09G3/3677 ,  G09G2300/0408 ,  G09G2300/0426 ,  H01L27/12 ,  H01L27/124

Abstract: An array substrate, a display panel and a display device are provided. The array substrate comprises: an active area, a package area and a drive circuit area, wherein the drive circuit area is located between the active area and the package area. A package metal layer is provided at the package area, and at least one groove structure is provided on a side of the package metal layer in a proximity to the drive circuit area. At least one drive unit is provided at the drive circuit area and comprises at least one element, wherein the element is provided in the groove structure.

公开(公告)号：US20170108979A1

公开(公告)日：2017-04-20

申请号：US15126765

申请日：2015-09-18

Applicant: BOE Technology Group Co., Ltd.

Inventor： Jianing Lu ,  Ling Shi ,  Long Wang ,  Libin Liu

IPC: G06F3/041 ,  H01L27/32 ,  G06F3/044

CPC classification number: G06F3/0416 ,  G02F1/13338 ,  G06F3/041 ,  G06F3/0412 ,  G06F3/044 ,  G06F2203/04103 ,  H01L27/323 ,  H01L27/3265 ,  H01L51/5209 ,  H01L51/5225

Abstract: The present disclosure provides an OLED touch panel, comprising: a substrate; a cathode and an anode, arranged on the substrate, wherein the cathode comprise a plurality of sub-cathodes; and at least one touch driving electrode, arranged on a same layer as the anode and separated from the anode, wherein the touch driving electrode is disposed to be intersected with the sub-cathodes; wherein the OLED touch panel is configured to, at a displaying phase, apply a driving signal for displaying on the cathode or the anode, so as to drive an OLED device, and applying, at a touching phase, a driving signal for touching on the touch driving electrode, so that at least a part of the sub-cathodes are operated as touch sensing electrodes, to output a touch sensing signal. The present disclosure also provides a display apparatus comprising the above OLED touch panel and a method for driving the same. The present disclosure uses the anode and cathode layer of the OLED device as an electrode layer of the touch sensor. Thus, by performing the touching and displaying of the touch display in a time sharing manner, the electrode layer can be omitted, and the thinner touch display can be manufactured.

公开(公告)号：US12295226B2

公开(公告)日：2025-05-06

申请号：US17762692

申请日：2021-04-15

Applicant: BOE Technology Group Co., Ltd.

Inventor： Yipeng Chen ,  Lujiang Huangfu ,  Libin Liu

IPC: H01L27/32 ,  H10K59/121 ,  H10K59/126 ,  H10K59/131 ,  H10K59/12

Abstract: The present disclosure provides a display panel and a method of manufacturing the same and a display device. In a sub-pixel driving circuit of the display panel, a gate electrode of a driving transistor is coupled to a second electrode of a second transistor through a fourth conductive connection portion, and a second electrode plate of a storage capacitor is coupled to a second electrode of a first transistor through a third conductive connection portion, a gate electrode of the first transistor and a gate electrode of the second transistor are respectively coupled to a gate line pattern in the corresponding sub-pixel area; orthographic projection of the gate line pattern on the substrate does not overlap orthographic projection of the third conductive connecting portion on the substrate, and/or does not overlap orthographic projection of the fourth conductive connection portion on the substrate.

公开(公告)号：US12277910B2

公开(公告)日：2025-04-15

申请号：US17781133

申请日：2021-05-31

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Guangliang Shang ,  Libin Liu ,  Jiangnan Lu ,  Yu Feng ,  Xinshe Yin ,  Shiming Shi

IPC: G11C19/00 ,  G09G3/3266 ,  G09G3/36 ,  G11C19/28 ,  H10K59/121 ,  G09G3/20

Abstract: A shift register unit and a driving method thereof, a gate drive circuit, and a display device are disclosed. The shift register unit includes: an input circuit, a first control circuit, an output circuit, an output noise reduction circuit, and a reset circuit; wherein the input circuit is connected to an input terminal; the first control circuit is connected to the first node, a second node, and a first clock signal terminal; the output circuit is connected to an output terminal; the output noise reduction circuit is connected to the output terminal; and the reset circuit is connected to a total reset terminal and a first voltage terminal, wherein the total reset signal is an invalid level in a first operation stage, and the total reset signal includes at least one period of valid level in a second operation stage.

公开(公告)号：US12272314B2

公开(公告)日：2025-04-08

申请号：US17771016

申请日：2021-05-27

Applicant: BOE Technology Group Co., Ltd.

Inventor： Long Han ,  Guangliang Shang ,  Libin Liu

IPC: G09G3/3266 ,  G11C19/28

Abstract: Disclosed is a display substrate including a display region and a non-display region. The non-display region is provided with a gate drive circuit, the gate drive circuit includes a plurality of cascaded shift register units, and a shift register unit is connected with at least one power supply line. The shift register unit includes a first output circuit and a second output circuit. The first output circuit is connected with a first group of clock signal lines, and the second output circuit is connected with the first group of clock signal lines and a second group of clock signal lines. In a first direction, the first group of clock signal lines and the at least one power supply line are located between the first output circuit and the second output circuit.

公开(公告)号：US20250095535A1

公开(公告)日：2025-03-20

申请号：US18962357

申请日：2024-11-27

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Long HAN ,  Libin Liu ,  Lujiang Huangfu

IPC: G09G3/20 ,  G09G3/3233

Abstract: The present disclosure relates to an array substrate and a display device. The array substrate includes a plurality of pixel units arranged in an array, each of the pixel units including a plurality of sub-pixels. The array substrate includes: a plurality of power lines which are arranged in a conductive layer on a base substrate, are arranged at intervals along a first direction and extend along a second direction, and are used for providing power signals to the sub-pixels; and a plurality of power leads which are arranged in another conductive layer, are arranged at intervals along the second direction and extend along the first direction. Projections of at least one of the power lines and at least one of the power leads on the base substrate intersect, and the projections of the power lines and the power leads on the base substrate form a grid-like structure.

公开(公告)号：US12249279B2

公开(公告)日：2025-03-11

申请号：US18027376

申请日：2022-05-12

Applicant: BOE Technology Group Co., Ltd.

Inventor： Guangliang Shang ,  Jiangnan Lu ,  Li Wang ,  Mengyang Wen ,  Xing Yao ,  Libin Liu

IPC: G09G3/3233 ,  G09G3/3266 ,  G09G3/3275

Abstract: Provided is a display substrate, a drive method thereof and a display apparatus, the display substrate includes: a first drive mode and a second drive mode, the first drive mode has a refresh rate less than that of the second drive mode, wherein the contents displayed on the display substrate include a plurality of display frames, in the first drive mode, the display frames include: a refresh frame and at least one maintain frame; the display substrate includes pixel circuits arranged in an array, the pixel circuits include a data signal line and a first initial signal line; the data signal line provides a first data signal in the maintain frame, the voltage value of the first data signal is constant, and/or the first initial signal line provides a first initial signal in the refresh frame and the maintain frame, the first initial signal is an AC signal.

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：US12198599B2

公开(公告)日：2025-01-14

申请号：US18494796

申请日：2023-10-26

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Long Han ,  Libin Liu ,  Lujiang Huangfu

IPC: G09G3/20 ,  G09G3/3233

Abstract: The present disclosure relates to an array substrate and a display device. The array substrate includes a plurality of pixel units arranged in an array, each of the pixel units including a plurality of sub-pixels. The array substrate includes: a plurality of power lines which are arranged in a conductive layer on a base substrate, are arranged at intervals along a first direction and extend along a second direction, and are used for providing power signals to the sub-pixels; and a plurality of power leads which are arranged in another conductive layer, are arranged at intervals along the second direction and extend along the first direction. Projections of at least one of the power lines and at least one of the power leads on the base substrate intersect, and the projections of the power lines and the power leads on the base substrate form a grid-like structure.