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公开(公告)号：US11984085B2
公开(公告)日：2024-05-14
申请号：US18108730
申请日：2023-02-13
Inventor： Xuehuan Feng , Yongqian Li , Hao Liu
IPC: G09G3/3225 , G09G3/3266 , G11C19/28
CPC classification number: G09G3/3266 , G09G3/3225 , G11C19/28 , G09G2310/0286
Abstract: A shift register unit, a gate driving circuit, a display device, and a driving method are disclosed. The shift register unit includes a first sub-circuit, a second sub-circuit, a leakage prevention circuit and a blanking input sub-circuit, wherein the first sub-circuit comprises a first input circuit and a first output circuit; the second sub-circuit comprises a second input circuit and a second output circuit; the leakage prevention circuit is configured to control a level of a leakage prevention node under control of the level of the first node, so as to turn off a circuit connected between the first node and the leakage prevention node; and the blanking input sub-circuit is connected to the first node and the second node, and is configured to receive a selection control signal and a first clock signal, and control the level of the first node and the level of the second node.
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22.发明授权公开(公告)号：US11980079B2
公开(公告)日：2024-05-07
申请号：US17755268
申请日：2021-03-09
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Caiyu Qu , Yanjun Hao , Hao Liu , Zunqing Song , Dong Li , Huijuan Zhang , Zheng Liu
IPC: H10K59/40 , G06V40/13 , G09G3/3233 , H10K59/12 , H10K59/131 , H10K59/179
CPC classification number: H10K59/40 , G06V40/1306 , H10K59/1201 , G09G3/3233 , G09G2300/0819 , G09G2300/0842 , G09G2300/0861 , G09G2354/00 , H10K59/131 , H10K59/179
Abstract: An array substrate, a display panel, a display apparatus, and a method for manufacturing the array substrate are provided. The array substrate includes: a base substrate; a plurality of pixels, at least one of the pixels including a pixel driver circuit and a light-emitting unit electrically connected to the pixel driver circuit; a fingerprint recognition structure including a first capacitor electrode configured to form a capacitor for fingerprint recognition between at least a part of a touch body and the first capacitor electrode in response to the at least a part of the touch body covering the first capacitor electrode. The fingerprint recognition structure is in the at least one pixel, the pixel driver circuit includes a thin film transistor including an active layer and a gate, and the first capacitor electrode is in the same layer as one of the active layer or the gate of the thin film transistor.
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公开(公告)号：US11948393B2
公开(公告)日：2024-04-02
申请号：US17908429
申请日：2021-11-15
Applicant: BOE Technology Group Co., Ltd.
Inventor： Hao Liu , Mei Li , Jiuzhen Wang , Zunqing Song , Qiuhua Meng , Caiyu Qu , Ming Liu
CPC classification number: G06V40/1306 , H10K59/65
Abstract: A display substrate and a display apparatus are provided. The display substrate includes: a base substrate; a plurality of sub-pixels arranged on the base substrate, wherein the sub-pixels each include a sub-pixel driving circuit; a plurality of fingerprint recognition structures arranged on the base substrate, wherein the fingerprint recognition structures each include a control circuit and a fingerprint recognition electrode, the fingerprint recognition electrode is located on a side of the control circuit facing away from the base substrate, the control circuit is coupled to the fingerprint recognition electrode, and the control circuit is used for outputting a sensing signal from the fingerprint recognition electrode; wherein the control circuit and the sub-pixel driving circuit are arranged in a direction parallel to the base substrate.
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公开(公告)号：US11901376B2
公开(公告)日：2024-02-13
申请号：US17508895
申请日：2021-10-22
Applicant: BOE Technology Group Co., Ltd.
Inventor： Zunqing Song , Hao Liu
CPC classification number: H01L27/1255 , G06V40/1306 , H01L27/1248 , H01L27/1259
Abstract: The disclosure provides a display panel, a manufacturing method thereof and a displaying device. The display panel comprises a plurality of display units, and each display unit has an active area for display and an induction area for identifying fingerprints. The display unit comprises a substrate, a planarization layer, a pixel unit and an induction electrode, wherein the planarization layer is arranged on the substrate and comprises a first area and a second area, the first area is opposite to the active area, and the second area is opposite to the induction area and is provided with a concave-convex structure; the pixel unit is arranged on the planarization layer and located in the first area; and the induction electrode is arranged on the planarization layer and covers a concave-convex surface of the concave-convex structure.
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公开(公告)号：US11615743B2
公开(公告)日：2023-03-28
申请号：US17490054
申请日：2021-09-30
Inventor： Xuehuan Feng , Yongqian Li , Hao Liu
IPC: G09G3/3225 , G09G3/3266 , G11C19/28
Abstract: A shift register unit, a gate driving circuit, a display device, and a driving method are disclosed. The shift register unit includes a first sub-circuit, a second sub-circuit, and a leakage prevention circuit. The first sub-circuit includes a first input circuit and a first output circuit, the first input circuit is configured to control a level of a first node in response to a first input signal. The second sub-circuit includes a second input circuit and the second output circuit. The leakage prevention circuit is connected to the first node, and is configured to control a level of the leakage prevention node under control of the level of the first node, so that a circuit connected between the first node and the leakage prevention node is turned off, and a circuit connected between the second node and the leakage prevention node is turned off.
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Patent Agency Ranking
公开(公告)号：US20220399419A1
公开(公告)日：2022-12-15
申请号：US17599628
申请日：2020-12-23
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Dengyun Chen , Hao Liu , Huijuan Zhang
Abstract: Provided are a display panel and a manufacturing method thereof, and a display device. The display panel includes: a base substrate including a display area and a peripheral area; sub-pixels located, at least one sub-pixel including a driving transistor including conductive layers; a first dam located at the peripheral area; a second dam located at the peripheral area and located on one side of the first dam away from the display area; an encapsulation layer, orthographic projections of the sub-pixels, the first and the second dam on the base substrate being located within that of the encapsulation layer; and at least one pressure sensor located on at least one of a first side of the second dam proximate to the first dam or a second side away from the first dam, wherein at least one resistor in each pressure sensor is located in a same layer as one conductive layer.
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公开(公告)号：US11527098B2
公开(公告)日：2022-12-13
申请号：US17347970
申请日：2021-06-15
Applicant: BOE Technology Group Co., Ltd.
Inventor： Dong Li , Hao Liu , Huijuan Zhang
Abstract: A displaying base plate and a fabricating method thereof, and a displaying device. The displaying base plate includes: a substrate, and a plurality of displaying units and a plurality of fingerprint identifying units that are located on the substrate; each of the displaying units includes at least one sub-pixel; orthographic projections of the fingerprint identifying units on the substrate are separated from orthographic projections of the displaying units on the substrate; and each of the fingerprint identifying units includes a first electrode and a shielding trace that are insulated from each other, an orthographic projection of the shielding trace on the substrate surrounds at least part of an orthographic projection of the first electrode on the substrate, and the shielding trace is electrically connected to an earthed end of the displaying base plate.
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公开(公告)号：US11262607B2
公开(公告)日：2022-03-01
申请号：US16099541
申请日：2018-03-29
Inventor： Ying Wang , Xue Cao , Peizhi Cai , Zhifu Li , Hao Liu
IPC: G02F1/13 , G02F1/1339 , H01Q21/06 , H01Q1/36 , G02F1/1343 , H01Q3/34 , H01Q3/44 , H01Q9/04 , G01S1/00
Abstract: A liquid crystal antenna and a manufacturing method thereof are disclosed. The liquid crystal antenna includes: an antenna array including a first substrate and a second substrate arranged opposite to each other and configured to change a phase of an electromagnetic wave signal fed into the liquid crystal antenna to transmit or receive a beam in a preset direction; and an inertial navigation element configured to determine a motion parameter of the liquid crystal antenna in a navigation coordinate system, the inertial navigation element is disposed on a side of the second substrate facing the first substrate; and the antenna array adjusts the preset direction according to the motion parameter acquired by the inertial navigation element.
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公开(公告)号：US11233115B2
公开(公告)日：2022-01-25
申请号：US16624400
申请日：2018-11-15
Abstract: A display panel and a manufacturing method thereof, and a display device are disclosed. The display panel includes: a substrate, a plurality of pixel units and a pixel defining layer, each of at least one of the pixel units comprises an organic functional layer, and the organic functional layer has a raised edge; an orthographic projection of the organic functional layer of each pixel unit on the substrate is surrounded by an orthographic projection of the second defining layer on the substrate, an orthographic projection of the first defining layer on the substrate covers the orthographic projection of the second defining layer on the substrate, and the orthographic projection of the first defining layer on the substrate overlaps with an orthographic projection of at least a portion of the raised edge on the substrate the brightness uniformity of the display panel may be improved.
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公开(公告)号：US11088354B2
公开(公告)日：2021-08-10
申请号：US16660298
申请日：2019-10-22
Inventor： Yubao Kong , Xuewu Xie , Yu Ai , Bowen Liu , Shi Sun , Hao Liu , Ameng Zhang
Abstract: A light-emitting panel and its manufacturing method are provided. The light-emitting panel includes a backboard, an electroluminescence device and an adhesive layer that are sequentially laminated; the light-emitting panel further includes a convex lens array, which includes a plurality of convex lenses on a side of the adhesive layer close to the electroluminescence device. A light-emitting surface of the electroluminescence device faces the adhesive layer, and the plurality of convex lenses included by the convex lens array protrude toward the adhesive layer.
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