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公开(公告)号：US20210241695A1
公开(公告)日：2021-08-05
申请号：US17052147
申请日：2019-11-01
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Minghua XUAN , Qi QI , Jing LIU
IPC: G09G3/3258 , G09G3/3275 , G09G3/3266
Abstract: A pixel driving circuit includes a driving signal control sub-circuit and a driving duration control sub-circuit. The driving signal control sub-circuit is configured to provide a driving signal to the driving duration control sub-circuit under control of a first scanning signal transmitted via the first scanning signal terminal and an enable signal transmitted via the enable signal terminal. The driving signal is related to a first data signal and a first voltage signal. The driving duration control sub-circuit is configured to transmit the driving signal to the element to be driven under control of a second scanning signal transmitted via the second scanning signal terminal and the enable signal transmitted via the enable signal terminal. A duration for transmitting the driving signal to the element to be driven is related to a second data signal.
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42.发明公开公开(公告)号：US20230188700A1
公开(公告)日：2023-06-15
申请号：US17765453
申请日：2021-05-12
Applicant: BOE Technology Group Co., Ltd.
Inventor： Jinye ZHU , Jian GAO , Junxing YANG , Tao HONG , Jing LIU , Jing YU , Tianyang HAN
IPC: H04N13/302 , H04N13/354 , G06T7/62 , G06V10/60 , G06V10/74 , G06F3/14 , G09G3/32
CPC classification number: H04N13/302 , H04N13/354 , G06T7/62 , G06V10/60 , G06V10/761 , G06F3/14 , G09G3/32
Abstract: A method, a system, a processing device and a computer storage medium for evaluating a viewpoint density are provided. The method includes: acquiring a quantity of viewpoints of a display panel; comparing a size of an image spot radius of each viewpoint and image point spacing between the viewpoint and an adjacent viewpoint, and selecting one viewpoint as a reference viewpoint, calculating a crosstalk value between another viewpoint except the reference viewpoint and the reference viewpoint; and evaluating a viewpoint density for the auto-stereoscopic display according to the comparison of the size of the image spot radius of each viewpoint and the image point spacing between the viewpoint and the adjacent viewpoint and the calculated crosstalk value between the another viewpoint and the reference viewpoint.
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43.发明申请公开(公告)号：US20230068347A1
公开(公告)日：2023-03-02
申请号：US17790089
申请日：2021-05-24
Inventor： Zhaohui MENG , Jing LIU , Wei SUN , Li TIAN
Abstract: A virtual surround sound production circuit includes: a subtraction unit configured to perform subtraction operation on first and second signals to output a third signal; a first addition unit configured to perform addition operation on the first and second signals to output a center channel signal; a surround sound adjustment unit configured to adjust the third signal or another third signal that has undergone frequency compensation to output a fourth signal; a center compensation unit configured to adjust the center channel signal to output a fifth signal; a second addition unit configured to perform addition operation on the first, fourth and fifth signals to output a first output signal; a phase inverter unit configured to perform phase inversion on the fourth signal to generate a phase-inverted signal; and a third addition unit configured to perform addition operation on the second, fifth and phase-inverted signals to output a second output signal.
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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：US20220302173A1
公开(公告)日：2022-09-22
申请号：US17500748
申请日：2021-10-13
Applicant: BOE Technology Group Co., Ltd.
Inventor： Dongni LIU , Liang CHEN , Minghua XUAN , Haoliang ZHENG , Qi QI , Jing LIU
Abstract: A driving backplane, a display panel and a display device are disclosed. The driving backplane includes: a base substrate; a plurality of pixel driving circuits located on the base substrate; an electrode located on a side of each of the pixel driving circuits facing away from the base substrate and coupled with the pixel driving circuits; and a potential wire located between the electrode and the base substrate and coupled with the pixel driving circuits. Every at least two pixel driving circuits are coupled with a same signal line through a multiplexing controller, an orthographic projection of the controller on the base substrate completely falls into a range of a corresponding micro light emitting diode bonding region, and an orthographic projection of a control wire coupled with the controller on the base substrate completely falls into a range of an orthographic projection of the potential wire on the base substrate.
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Patent Agency Ranking
公开(公告)号：US20220238065A1
公开(公告)日：2022-07-28
申请号：US17476360
申请日：2021-09-15
Applicant: BOE Technology Group Co., Ltd.
Inventor： Dongni LIU , Minghua XUAN , Qi QI , Jing LIU
IPC: G09G3/32
Abstract: The present disclosure provides a pixel driving circuit and a display panel. The pixel driving circuit includes a driving module and a grayscale adjustment module. The driving module is configured to generate a first driving current corresponding to a first grayscale range under the control of a potential at a gate voltage end and a first power source voltage, and transmit the first driving current to a light-emitting element. The grayscale adjustment module is configured to adjust the driving module under the control of the first power source voltage and a first data voltage, so that the driving module generates a second driving current corresponding to a second grayscale range under the control of the potential at the gate voltage end and the first power source voltage, and transmits the second driving current to the light-emitting element.
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公开(公告)号：US20220229333A1
公开(公告)日：2022-07-21
申请号：US17490824
申请日：2021-09-30
Inventor： Chaojie ZHANG , Sijun LEI , Yansheng SUN , Zhi LI , Bowen XIONG , Qiong YUAN , Jing YU , Jing LIU
IPC: G02F1/1335 , G02F1/13357
Abstract: Backlight modules, display panels and display apparatuses are provided. A backlight module includes: a flexible light board, provided with a plurality of light-emitting elements arranged at intervals, and provided with a first wire at an edge thereof; a back cover including a base plate, the flexible light board being provided on the base plate, and the base plate being provided with a second wire located on a same side as the first wire; and a controller configured to control a direction of an electric current flowing through the first wire and a direction of an electric current flowing through the second wire, to generate an attractive force or a repulsive force between the first wire and the second wire.
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公开(公告)号：US20220163699A1
公开(公告)日：2022-05-26
申请号：US17348677
申请日：2021-06-15
Applicant: BOE Technology Group Co., Ltd.
Inventor： Feng ZHANG , Kang GUO , Renquan GU , Detian MENG , Libo WANG , Dongfei HOU , Guangcai YUAN , Xue DONG , Wei WANG , Jinye ZHU , Jing YU , Jing LIU , Haitao HUANG
Abstract: Disclosed are a micro-lens structure, a displaying device, and a machining method of the micro-lens structure. The micro-lens structure specifically comprises: micro-lens units distributed in an array, wherein each micro-lens unit comprises at least two micro-lenses made of a photoresist, and the at least two micro-lenses have different arch heights.
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公开(公告)号：US20220114948A1
公开(公告)日：2022-04-14
申请号：US17265246
申请日：2020-03-12
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Minghua XUAN , Qi QI , Jing LIU
IPC: G09G3/32
Abstract: The present disclosure provides a pixel circuit including: a first resetting sub-circuit for writing a reference voltage and an initialization voltage to a first node and a second node, respectively; a first data writing sub-circuit for writing a first data voltage to a second node; a first output control sub-circuit for supplying a voltage at the first node to the switch sub-circuit; a charging and discharging sub-circuit for performing charge processing or discharge processing on the first node in response to control of the first data voltage; switch sub-circuit coupled to the signal supply terminal and an element to be driven for controlling electrical coupling and decoupling between the signal supply terminal and the element to be driven under control of the voltage at the first node. The present disclosure also provides a driving method of the pixel circuit and a display device.
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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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