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公开(公告)号：US20230351944A1
公开(公告)日：2023-11-02
申请号：US17639790
申请日：2021-03-11
Applicant: BOE Technology Group Co., Ltd.
Inventor： Seungwoo HAN , Li XIAO , Haoliang ZHENG , Dongni LIU , Jiao ZHAO , Liang CHEN , Hao CHEN , Minghua XUAN
IPC: G09G3/32
CPC classification number: G09G3/32 , G09G2310/061 , G09G2300/0842
Abstract: Provided are a pixel circuit and a method for driving the same, a display panel and a display device. A drive circuit (04) in the pixel circuit is capable of controlling conduction/non-conduction between a second node (N2) and a third node (N3) under the control of a potential of a first node (N1). A light-emission control circuit (03) in the pixel circuit is capable of controlling conduction/non-conduction between a cathode of a light-emitting element and a second node (N2), and controlling conduction/non-conduction between the third node (N3) and a pull-down power terminal (LVSS) under the control of a potential of a light-emission control signal; and a potential of the first node (N1) is not be affected by a potential of an anode of the light-emitting element. Furthermore, in the case that the cathode of the light-emitting element and the second node (N2) are conducted, the second node (N2) and the third node (N3) are conducted, and the third node and the pull-down power terminal (LVSS) are conducted, the light-emitting element can emit light reliably.
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公开(公告)号：US20230260461A1
公开(公告)日：2023-08-17
申请号：US18308385
申请日：2023-04-27
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Li XIAO , Haoliang ZHENG , Hao CHEN , Minghua XUAN , Dongni LIU , Seungwoo HAN , Liang CHEN , Jiao ZHAO , Xue DONG
IPC: G09G3/3258 , G09G3/3291
CPC classification number: G09G3/3258 , G09G3/3291
Abstract: A pixel circuit includes a driving circuit, a first control circuit and a second control circuit. The driving circuit is configured to receive a data signal in response to a scan signal, and generate, in response to a first enable signal, a driving signal according to a first voltage and the data signal. The first control circuit is configured to: receive a first input signal in response to a first control signal, and transmit a third input signal in response to the first input signal; and receive a second input signal in response to a second control signal, and transmit a second enable signal in response to the second input signal. The second control circuit is configured to transmit the driving signal to an element to be driven in response to one of the third input signal and the second enable signal.
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公开(公告)号：US20230032018A1
公开(公告)日：2023-02-02
申请号：US17789661
申请日：2021-08-18
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Zhenyu ZHANG , Li XIAO , Dongni LIU , Liang CHEN , Hao CHEN , Haoliang ZHENG , Minghua XUAN , Jiao ZHAO
IPC: G09G3/3258
Abstract: Provided are a photoelectric detection circuit and a driving method thereof, a display apparatus and a manufacturing method thereof. The photoelectric detection circuit includes: a first reset sub-circuit, a second reset sub-circuit, a first storage sub-circuit, a data read sub-circuit and a photosensitive device. A first terminal of the data read sub-circuit, a first terminal of the first storage sub-circuit, a first electrode of the photosensitive device and a first terminal of the first reset sub-circuit are connected to a first node. A second electrode of the photosensitive device is connected to a common voltage line. The data read sub-circuit is configured to transmit a voltage of the first node to a data read line in response to a signal of a scan line. The first reset sub-circuit is configured to reset the voltage of the first node.
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公开(公告)号：US20220373900A1
公开(公告)日：2022-11-24
申请号：US16966874
申请日：2019-11-29
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Li XIAO , Jiao ZHAO , Dongni LIU , Minghua XUAN , Haoliang ZHENG , Liang CHEN , Hao CHEN , Zhenyu ZHANG , Jing LIU , Qi QI
Abstract: An alignment mark includes a first alignment marker located on a first surface of a substrate and a second alignment marker located on a second surface of the substrate. The second alignment marker is arranged to be matched with the first alignment marker, and capable of representing a process variation between the second alignment marker and the first alignment marker.
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公开(公告)号：US20220321834A1
公开(公告)日：2022-10-06
申请号：US17427476
申请日：2020-10-29
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Tong LIU , Hao CHEN , Bingchuan SHI , Hao FANG
IPC: H04N7/18
Abstract: The monitoring device of the disclosure includes a carrying unit; having at least one carrying area for carrying a monitored object, at least part of the carrying area is provided with a corresponding image capturing unit and a corresponding optical path adjusting unit; the image capturing unit captures a monitoring image of the carrying area, each image capturing unit has a preset field of view, each image capturing unit forms the monitoring image according to light incident from the field of view; at least part of the carrying area is an extension area, the extension area is positioned outside the field of view of the image capturing unit; the optical path adjusting unit enables the light emitted from the extension area of the carrying area corresponding thereto to enter the image capturing unit from the field of view of the image capturing unit corresponding to the carrying area.
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Patent Agency Ranking
公开(公告)号：US20220121072A1
公开(公告)日：2022-04-21
申请号：US17281709
申请日：2020-01-10
Applicant: BOE Technology Group Co., Ltd.
Inventor： Liang CHEN , Minghua XUAN , Dongni LIU , Haoliang ZHENG , Li XIAO , Zhenyu ZHANG , Hao CHEN , Ke WANG
IPC: G02F1/1362 , H01L27/32
Abstract: The present disclosure discloses a display panel and a display device. The display panel includes: a base substrate, including a plurality of substrate via holes located in a display area of the display panel; and a plurality of driving signal lines and a plurality of bonding terminals, respectively located on different sides of the base substrate. At least one of the plurality of driving signal lines is electrically connected to at least one of the plurality of bonding terminals through the substrate via hole(s).
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公开(公告)号：US20220101780A1
公开(公告)日：2022-03-31
申请号：US17424408
申请日：2020-09-10
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Li XIAO , Minghua XUAN , Dongni LIU , Jing LIU , Qi QI , Haoliang ZHENG , Zhenyu ZHANG , Liang CHEN , Hao CHEN
IPC: G09G3/32
Abstract: A pixel drive circuit includes a data write sub-circuit, an input and read sub-circuit, a drive sub-circuit, and a first output control sub-circuit. The data write sub-circuit is configured to transmit data signals input from a first data voltage terminal at different times to a first node. The input and read sub-circuit is configured to: transmit a signal of a signal transmission terminal to a second node in a write period, and transmit an electrical signal of the second node to the signal transmission terminal in a threshold voltage read period. The drive sub-circuit is configured to output a drive signal. The first output control sub-circuit is configured to: be coupled to an element to be driven, and transmit the drive signal output by the drive sub-circuit to the element to be driven.
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公开(公告)号：US20210363372A1
公开(公告)日：2021-11-25
申请号：US16605277
申请日：2019-03-26
Inventor： Hao CHEN , Wei ZHANG , Xingfu ZHANG
Abstract: A conductive ink is provided, which includes an ink solvent and a conductive composition dispersed in the ink solvent. The conductive composition includes a silver nanoparticle and a molecular chain of polyaniline formed on a surface of the silver nanoparticle. A method for preparing a conductive ink and a flexible display device are further provided. The conductive ink has good film forming property and good conductivity.
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公开(公告)号：US20200286921A1
公开(公告)日：2020-09-10
申请号：US16701706
申请日：2019-12-03
Applicant: BOE Technology Group Co., Ltd.
Inventor： Dongni LIU , Minghua XUAN , Li XIAO , Detao ZHAO , Liang CHEN , Hao CHEN
IPC: H01L27/12 , H01L23/522 , H01L21/768 , H01L21/288
Abstract: An array substrate, a manufacturing method thereof and a display device are provided. A display unit is disposed on a first surface of a base substrate, and a driving circuit is disposed on a second surface of the base substrate opposite to the first surface, the driving circuit is electrically connected with the display unit through a signal connection structure in at least one via structure, a longitudinal section of the at least one via hole is a trapezoid, and a length of a bottom edge of the trapezoid at one side of the trapezoid close to the display unit is larger than a length of a bottom edge of the trapezoid at one side of the trapezoid away from the display unit.
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公开(公告)号：US20230360586A1
公开(公告)日：2023-11-09
申请号：US17634544
申请日：2021-04-15
Applicant: BOE Technology Group Co., Ltd.
Inventor： Li XIAO , Haoliang ZHENG , Minghua XUAN , Hao CHEN , Dongni LIU , Jiao ZHAO , Seungwoo HAN , Liang CHEN , Qi QI
IPC: G09G3/32
CPC classification number: G09G3/32 , G09G2310/0275 , G09G2310/0267 , G09G2320/0247 , G09G2320/0233 , G09G2310/0297
Abstract: Disclosed are a display panel, a control method for the same, and a display device. The display panel includes: M rows and N columns of pixel units, N current data lines sequentially arranged along a row direction, and N time-length data lines sequentially arranged along the row direction. Each pixel unit includes a pixel circuit, the pixel circuit including a current data terminal and a time-length data terminal. An ith column of the current data lines and an ith column of the time-length data lines are respectively located on two sides of an ith column of pixel units, the current data terminals of the pixel circuits of the ith column of pixel units are electrically connected to the ith column of the current data lines.
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