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公开(公告)号：US20210200352A1
公开(公告)日：2021-07-01
申请号：US16767642
申请日：2019-12-16
Abstract: The present disclosure provides a touch display panel and a display device. The touch display panel includes a display substrate, a touch circuit on a side of a light emergent surface of the display substrate and a first optical adhesive between the display substrate and the touch circuit, wherein a rough contact surface exists on a part, located in a frame region, of the first optical adhesive; the touch circuit includes: a plurality of touch traces insulated from one another and located in the frame region; each of the touch traces is arranged to be stacked, and an orthographic projection of each of the touch traces on the display substrate covers an orthographic projection of a part, located in the frame region, of the first optical adhesive on the display substrate.
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公开(公告)号：US20210183313A1
公开(公告)日：2021-06-17
申请号：US17119171
申请日：2020-12-11
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
IPC: G09G3/3258 , G09G3/3275 , G09G3/3266 , H01L27/32
Abstract: Embodiments of the present disclosure provide a driving backplane and a display panel. The driving backplane has a plurality of sub-pixel regions, and includes: a base; a plurality of pixel driving circuits disposed on the base, one of the plurality of pixel driving circuits being disposed in one of the plurality of sub-pixel regions; and a plurality of data lines and a plurality of first power supply voltage lines disposed on the base. The pixel driving circuit is electrically connected to a data line and a first power supply voltage line. The data line and the first power supply voltage line are disposed on a side, away from the base, of the pixel driving circuit, and the data line and the first power supply voltage line are disposed at intervals in a same layer. An orthographic projection of the data line on the base overlaps with an orthographic projection of the pixel driving circuit on the base. The pixel driving circuit includes a driving transistor, a first switching transistor, and a first conductive pattern. The first conductive pattern is located on a side, away from the base, of the driving transistor and the first switching transistor. The first conductive pattern is electrically connected to a gate of the driving transistor through a first via. The first conductive pattern is electrically connected to a second electrode of the first switching transistor through a second via. An orthographic projection of the first conductive pattern on the base is located within an orthographic projection of the first power supply voltage line on the base.
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公开(公告)号：US20210151540A1
公开(公告)日：2021-05-20
申请号：US16642814
申请日：2019-03-29
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Li WANG
IPC: H01L27/32
Abstract: A display substrate and a manufacturing method thereof, and a display panel are disclosed. The display substrate includes a base substrate and a pixel driving circuit on the base substrate; and the pixel driving circuit includes a driving transistor and a gate leading line, the driving transistor includes a gate electrode, the gate leading line is electrically connected to the gate electrode, and the gate leading line is between the gate electrode and the base substrate.
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14.发明申请公开(公告)号：US20190101794A1
公开(公告)日：2019-04-04
申请号：US15554342
申请日：2017-03-29
Inventor： Zhonghua LIU , Li WANG , Zhifu ZHENG
IPC: G02F1/1335
Abstract: A diffusion element and manufacturing method thereof, a backlight module and a display device are provided. The diffusion element including a non-woven fabric diffusion sheet, wherein the non-woven fabric diffusion sheet includes a substrate of non-woven fabric and a diffusion particle layer attached to at least one surface of the substrate. The diffusion element has the advantages of low cost, high yield and simple processes.
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公开(公告)号：US20180252965A1
公开(公告)日：2018-09-06
申请号：US15574678
申请日：2017-06-01
Inventor： Zhifu ZHENG , Li WANG , Daowen XI
IPC: G02F1/1335 , G02B27/09
CPC classification number: G02F1/133603 , G02B19/0014 , G02B19/0061 , G02B27/0955 , G02B27/0977 , G02F1/133605 , G02F1/133608 , G02F2001/1351 , H01L25/0753 , H01L33/58 , H01L33/60
Abstract: A light emission assembly of a backlight module, a backlight module and a display device are provided and relate to a display technical field. The light emission assembly includes a circuit board and at least one light emission unit provided thereon, the light emission unit includes a light source, a light absorption element is provided on the circuit board, and the light absorption element is provided around the light source.
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Patent Agency Ranking
16.发明申请公开(公告)号：US20250166568A1
公开(公告)日：2025-05-22
申请号：US19032469
申请日：2025-01-21
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.
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公开(公告)号：US20240233635A1
公开(公告)日：2024-07-11
申请号：US17914844
申请日：2021-09-29
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
IPC: G09G3/3233
CPC classification number: G09G3/3233 , G09G2300/0842 , G09G2310/061 , G09G2310/08 , G09G2320/0247
Abstract: The present disclosure provides a pixel driving circuit, a pixel driving method and a display panel, relating to a field of display technology. The pixel driving circuit includes a driving transistor; a storage capacitor connecting a first node and a second node; a data writing unit configured to output a data voltage to the second node in response to a first scan signal; a light emitting control unit configured to electrically communicate a third node and a fourth node in response to a light emitting control signal; a first reset unit configured to output a reference voltage to the second node in response to the light emitting control signal or a first reset signal; a second reset unit configured to output an initialization voltage to the first node in response to a second reset signal.
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公开(公告)号：US20240212604A1
公开(公告)日：2024-06-27
申请号：US17913790
申请日：2021-11-08
Applicant: BOE Technology Group Co., Ltd.
Inventor： Li WANG
IPC: G09G3/3233
CPC classification number: G09G3/3233 , G09G2300/0819 , G09G2300/0842 , G09G2300/0861 , G09G2310/061 , G09G2320/0233
Abstract: A pixel circuit, pixel driving method and display apparatus are provided. The pixel circuit includes an energy storage circuit, a first initialization circuit, a data writing circuit, a compensation circuit, a light emitting element and N driving branches, N being an integer greater than 1; first and second terminals of the energy storage circuit are electrically connected to a driving node and a first voltage terminal, respectively; the first initialization circuit is electrically connected to a reset control terminal, an initial voltage terminal and the driving node, to write an initial voltage to the driving node under control of a reset control signal; the compensation circuit is electrically connected to a scanning control terminal, the driving node and a specific second node of N second nodes, to establish a connection between the driving node and the specific second node under control of a scanning control signal.
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公开(公告)号：US20240212598A1
公开(公告)日：2024-06-27
申请号：US17788727
申请日：2021-07-30
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Xiyu ZHAO , Libin LIU , Yu FENG , Li WANG , Yao HUANG , Benlian WANG , Weiyun HUANG , Rui WANG
IPC: G09G3/3233 , H10K59/121 , H10K59/126
CPC classification number: G09G3/3233 , G09G2300/0452 , G09G2300/0819 , G09G2300/0842 , G09G2300/0852 , G09G2320/0233 , G09G2320/0247 , G09G2320/045 , G09G2330/021 , H10K59/1213 , H10K59/1216 , H10K59/126
Abstract: A pixel circuit, a driving method and a display device. The pixel circuit includes a driving circuit, a first initialization circuit and a reset circuit; the first initialization circuit configured to write a first initial voltage into the first end of the driving circuit under the control of an initialization control signal; the reset circuit is configured to write a reset voltage into the second end of the driving circuit or the first end of the driving circuit under the control of a second scan signal; the driving circuit is configured to control to connect the first end of the driving circuit and the second end of the driving circuit under the control of a potential of a control end of the driving circuit.
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20.发明公开公开(公告)号：US20240177676A1
公开(公告)日：2024-05-30
申请号：US18430044
申请日：2024-02-01
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Li WANG , Lujiang HUANGFU
IPC: G09G3/3258
CPC classification number: G09G3/3258 , G09G2300/0852 , G09G2310/0278 , G09G2310/061 , G09G2320/0233 , G09G2320/0247
Abstract: A pixel circuit includes a data writing sub-circuit, a reset sub-circuit and a leakage prevention sub-circuit. The data writing sub-circuit is configured to: in a data writing period, store a light-emitting compensation signal in response to a gate scan signal from a first scan signal terminal and a data signal from a data signal terminal; and in a light-emitting period, assist in controlling the light-emitting control sub-circuit to be turned on according to the light-emitting compensation signal. The reset sub-circuit is configured to: in a reset period, transmit an initial voltage signal to the data writing sub-circuit and the leakage prevention sub-circuit in response to a reset scan signal from a second scan signal terminal. The leakage prevention sub-circuit is configured to: in the data writing period, store another light-emitting compensation signal; and in the light-emitting period, inhibit leakage of the reset sub-circuit according to the another light-emitting compensation signal.
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