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公开(公告)号：US20230186850A1
公开(公告)日：2023-06-15
申请号：US17912090
申请日：2021-02-09
Applicant: BOE Technology Group Co., Ltd.
IPC: G09G3/3233 , H10K59/131
CPC classification number: G09G3/3233 , H10K59/131 , G09G2300/0819 , G09G2300/0852 , G09G2310/0202 , G09G2320/0247 , G09G2360/16
Abstract: Provided are a pixel circuit, a display panel and a display apparatus. The pixel circuit includes: a first resetting switching transistor, a first data writing switching transistor, a storage capacitor, a first compensation capacitor, a second compensation capacitor, and a driving transistor; the first resetting switching transistor includes a first switching sub-transistor and a second switching sub-transistor connected in series, and the first data writing switching transistor includes a third switching sub-transistor and a fourth switching sub-transistor connected in series. The first compensation capacitor and the second compensation capacitor are used to enable a voltage Vn1′ of the first node to be smaller than a voltage Vn3′ of the third node and larger than a voltage Vn4′ of the fourth node in a light-emitting stage.
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公开(公告)号：US20230157098A1
公开(公告)日：2023-05-18
申请号：US17621770
申请日：2021-01-19
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
IPC: H10K59/131 , G09G3/3233
CPC classification number: H10K59/131 , G09G3/3233 , G09G2300/0426 , G09G2300/0819 , G09G2300/0842 , G09G2330/021 , G09G2320/0247 , G09G2300/0861
Abstract: Disclosed are a display panel and a display device. The display panel includes a base substrate; a pixel unit on the base substrate and including a pixel circuit and a light-emitting element, the pixel circuit being configured to drive the light-emitting element, the pixel circuit being closer to the base substrate than the light-emitting element and including a driving transistor; a data line configured to provide data signal to the pixel circuit; a connection element through which the light-emitting element is connected with the pixel circuit, the connection element including a shielding portion; and a connection line connected with a gate electrode of the driving transistor. The data line includes two adjacent data lines with the shielding portion located therebetween, and an orthographic projection of the connection line on the base substrate at least partially overlaps with an orthographic projection of the shielding portion on the base substrate.
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63.发明申请公开(公告)号：US20220344437A1
公开(公告)日：2022-10-27
申请号：US17417608
申请日：2020-12-29
Applicant: BOE Technology Group Co., Ltd.
Inventor： Li WANG , Bo WANG , Jingquan WANG
IPC: H01L27/32
Abstract: The disclosure provides a display panel, a method of manufacturing the same, a display device, and an electronic apparatus. The display panel includes a display area and a non-display area, where the display panel further includes: at least one signal bus located in and across the display area; a plurality of metal wires located in the display area and each having an end electrically coupled to the at least one signal bus; and a control circuit located in the non-display area and electrically coupled to another end of each metal wire.
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公开(公告)号：US20220343823A1
公开(公告)日：2022-10-27
申请号：US17433068
申请日：2020-10-23
Applicant: BOE Technology Group Co., Ltd.
Inventor： Li WANG , Xinshe YIN
Abstract: The present disclosure provides a pixel circuit, a display panel and a display apparatus. A gate of a data writing transistor is electrically connected with a first scan line, a first electrode of the data writing transistor is electrically connected with a data line, and a second electrode of the data writing transistor is electrically connected with a first electrode of a drive transistor; a gate of a threshold compensation transistor is electrically connected with a second scan line, a first electrode of the threshold compensation transistor is electrically connected with a gate of the drive transistor, and a second electrode of the threshold compensation transistor is electrically connected with a second electrode of the drive transistor; and a compensation circuit is electrically connected with the gate of the drive transistor.
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公开(公告)号：US20220093045A1
公开(公告)日：2022-03-24
申请号：US17244977
申请日：2021-04-30
Applicant: BOE Technology Group Co., Ltd.
Inventor： Lujiang HUANGFU , Li WANG , Libin LIU
IPC: G09G3/3258 , G09G3/3291
Abstract: A pixel circuit, a display panel, and a display device. A pixel circuit includes a potential compensation subcircuit configured to control a junction voltage of a light emitting element to be within a preset voltage range according to an initial voltage input by an initialization reset voltage terminal and a reset sequence input by a reset sequence signal terminal. The preset voltage range is higher than zero and lower than an emission threshold voltage of the light emitting element.
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Patent Agency Ranking
公开(公告)号：US20210193776A1
公开(公告)日：2021-06-24
申请号：US17003872
申请日：2020-08-26
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Li WANG
Abstract: The present disclosure provides a display panel and a method for manufacturing the display panel. The display panel includes: a base substrate; a conductive layer on the base substrate including a level signal wiring pattern; a cathode layer on a side of the conductive layer away from the base substrate; an anode layer on the side of the conductive layer away from the base substrate and on a side of the cathode layer facing the base substrate; a thin film transistor on a side of the anode layer facing the base substrate and on the side of the conductive layer away from the base substrate, including a source electrode, a drain electrode, an active layer, and a gate electrode, wherein the level signal wiring pattern is electrically connected to the cathode layer.
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公开(公告)号：US20210175312A1
公开(公告)日：2021-06-10
申请号：US15779658
申请日：2017-11-07
Inventor： Benlian WANG , Li WANG , Yipeng CHEN , Yueping ZUO , Zheng LIU
Abstract: The application discloses a wiring structure, a display substrate and a display device. The wiring structure provided includes a plurality of hollowed pattern strings, each hollowed pattern string including a plurality of hollowed patterns arranged sequentially in a length extension direction of the wiring structure, each hollowed pattern including a hollowed region and a non-hollowed region. The non-hollowed region of any hollowed pattern in a hollowed pattern string at least partially overlaps the non-hollowed region of a hollowed pattern in a further hollowed pattern string adjacent to the hollowed pattern string, and the hollowed regions of the hollowed patterns in the plurality of hollowed pattern strings do not overlap each other. The wiring structure is particularly adapted for flexible display.
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公开(公告)号：US20210159221A1
公开(公告)日：2021-05-27
申请号：US16640420
申请日：2019-02-20
Abstract: A display device and a manufacturing method thereof are provided. The display device includes a display panel, a heat dissipation layer, and a chip on film. The heat dissipation layer is on a non-display side of the display panel and includes a driving circuit arranging region and a peripheral region. The heat dissipation layer located in at least a part of the driving circuit arranging region is insulated from the heat dissipation layer located in the peripheral region. The chip on film is on a side of the heat dissipation layer away from the display panel and is in the driving circuit arranging region.
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公开(公告)号：US20200286426A1
公开(公告)日：2020-09-10
申请号：US16518350
申请日：2019-07-22
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Zhenzhen LI , Libin LIU , Li WANG
IPC: G09G3/3233 , H01L27/32
Abstract: A display panel and a driving method thereof, a display device. The display panel includes a common cathode, a first power terminal, a first wire and a first switch. The driving method includes: obtaining a total image current of a display image; and determining whether the total image current is greater than a first threshold current, if the total image current is greater than the first threshold current, controlling the first switch to disconnect the first wire, if the total image current is not greater than the first threshold current, controlling the first switch to connect the first wire, so that the second side of the common cathode is connected to the first power terminal through the first wire.
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公开(公告)号：US20190333980A1
公开(公告)日：2019-10-31
申请号：US16468341
申请日：2017-11-06
Inventor： Benlian WANG , Li WANG , Yipeng CHEN , Yueping ZUO , Zheng LIU
IPC: H01L27/32 , H01L51/00 , G02F1/1333 , G02F1/1362 , G02F1/1345
Abstract: A wiring structure, a display substrate and a display device. The wiring structure comprises a plurality of hollow patterns, and edges of the wiring structure along a length direction of the wiring structure extend in a straight line. The wiring structure can release stress through the hollow patterns so as to avoid breakage of the wiring structure, the display substrate, and the display device.
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