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公开(公告)号：US11380271B2
公开(公告)日：2022-07-05
申请号：US16772226
申请日：2019-07-31
Abstract: Disclosed are a backlight driving method, a display driving method, a drive device and a display device. The backlight driving method includes: receiving a frame of backlight data, wherein the frame of backlight data includes a plurality of first control signals which are respectively applied to the plurality of switching channels and serve as the switching control signals, and a plurality of second control signal groups respectively corresponding to the plurality of first control signals, each of the plurality of second control signal groups includes a plurality of second control signals which are respectively applied to the plurality of output channels and serve as the output control signals, and the plurality of first control signals are modulated non-constant width pulse signals respectively; and driving the backlight unit to emit light by using the plurality of first control signals and the plurality of second control signal groups.
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112.发明授权公开(公告)号：US11308896B2
公开(公告)日：2022-04-19
申请号：US16611800
申请日：2019-02-22
Inventor： Tiankuo Shi , Zhihua Ji , Xiaomang Zhang , Lingyun Shi , Xiurong Wang , Hao Zhang , Lili Chen , Yilang Sun , Yifang Chu , Yanhui Xi , Wenyu Li , Ming Chen
Abstract: The embodiments of this disclosure disclose a liquid crystal display device and a control method thereof, a head-mounted display device and a computer-readable storage medium. The control method of the liquid crystal display device comprises: obtaining a state of each pixel in the display panel based on inputted image data; obtaining a display zone comprising both pixels in a bright state and pixels in a dark state based on the state of each pixel in the display panel, and using the obtained display zone as a destination zone; obtaining a halo region based on the state of the pixels in the destination zone, wherein the halo region comprises pixels in the dark state in the destination zone; generating a first control signal based on the halo region; and controlling based on the first control signal a backlight zone to be adjusted.
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公开(公告)号：US12284851B2
公开(公告)日：2025-04-22
申请号：US17789593
申请日：2021-05-28
Inventor： Yinwei Chen , Haiwei Sun
IPC: H10H20/855 , H01L25/075 , H10H20/01
Abstract: A display panel includes a display module and a lens layer. The display module has a display region and includes a plurality of pixel units disposed in the display region and distributed in an array, each pixel unit is configured to emit light. The lens layer is disposed on a display side of the display module. Light emitted by the plurality pixel units passes through the lens layer to form a display image, and the display image includes a plurality of pixels distributed in an array. The number of pixel units included in a row of pixel units in a first direction is less than the number of pixels included in a row of pixels in the first direction. A first pixel distance is smaller than a first pixel unit distance.
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公开(公告)号：US20250095543A1
公开(公告)日：2025-03-20
申请号：US18293352
申请日：2022-12-23
Inventor： Bao Fu , Zhitao Zhang , Qibing Gu , Changhao Wang , Xiuling Li , Lingyun Shi , Xue Dong , Hao Zhou , Lili Jia
IPC: G09G3/32
Abstract: A light emitting module includes: a light emitting element array provided on a first substrate, including a plurality of light emitting elements arranged in an array in a row direction and a column direction, each of which includes a first electrode and a second electrode, wherein a driving current of the light emitting element is greater than or equal to 1 mA; and a plurality of row driving chips and a plurality of column driving chips provided on the first substrate. At least one row driving chip and at least one column driving chip are spaced apart in the row direction and the column direction. At least one row driving chip and at least one column driving chip are respectively electrically connected to the first electrodes of at least one row of light emitting elements and the second electrodes of at least one column of light emitting elements.
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公开(公告)号：US20250087119A1
公开(公告)日：2025-03-13
申请号：US18291627
申请日：2022-08-19
Inventor： Shaofei GUO , Shipeng WANG , Chao TIAN , Yiping RUAN , Dongjia HAO
Abstract: The embodiments of the present disclosure provide a box and a tiled device. The box is fitted for the tiled device. The box includes a bottom plate and a sidewall connected to the bottom plate, the sidewall being positioned on a side of the bottom plate and arranged along an edge of the bottom plate; a vent is provided in the bottom plate and/or the sidewall, and a corresponding retractable element is disposed at the vent; the retractable element includes a baffle configured to open or close the corresponding vent.
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Patent Agency Ranking
公开(公告)号：US20250081695A1
公开(公告)日：2025-03-06
申请号：US17927058
申请日：2021-10-22
Inventor： Lili WANG , Sha FENG , Chao LIU , Chuhang WANG , Jing WANG , Mingming JIA , Huan WANG , Qi QI , Ming ZHAI
IPC: H01L33/62 , H01L25/075
Abstract: A display panel includes a backplane, back traces, side traces and blocking portions. The backplane includes a display surface, a non-display surface, and side surfaces connected to the two surfaces, where a side surface is a selected side surface. The back traces and the blocking portions are arranged on the non-display surface. Each back trace includes a first line segment and a second line segment, whose extension directions intersect. The side traces are arranged on the selected side surface. Of each side trace, an end is on the display surface, and the other end is on the non-display surface. Each side trace is electrically connected to a first line segment in a respective back trace, where the first line segment has the same extension direction as the other end of each side trace. Two adjacent first line segments are provided with a blocking portion therebetween.
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117.发明授权公开(公告)号：US12236846B2
公开(公告)日：2025-02-25
申请号：US17920347
申请日：2021-11-26
Inventor： Shicai Cao , Zhitao Zhang , Xiurong Wang , Tao Yang , Mengmeng Wang
Abstract: Provided is a drive circuit including a power supply circuit, an adapter circuit board, and a voltage regulation circuit. The power supply circuit is coupled to the adapter circuit board and configured to transmit a power supply voltage to the adapter circuit board. The adapter circuit board is coupled to the plurality of light-emitting elements by wirings and configured to transmit the power supply voltage to each of the light-emitting elements. The voltage regulation circuit is coupled to the power supply circuit and configured to regulate, according to an ideal operating voltage corresponding to an operating current of each of the light-emitting elements under a target grayscale and a wiring voltage drop on the wiring coupled to each of the light-emitting elements, a magnitude of the power supply voltage output by the power supply circuit, in the case that the display panel displays a picture of the target grayscale.
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公开(公告)号：US20250048811A1
公开(公告)日：2025-02-06
申请号：US18705333
申请日：2023-01-18
Inventor： Jiao LI , Chenchang CHEN , Ruoyu MA , Liangliang JIN , Zezhou YANG , Wenjia SUN , Qingkai ZHANG , Le ZHAO , Weixing LIU
Abstract: The present disclosure provides a display substrate, a preparing method thereof, and a display device. The display substrate includes: a base substrate including a spacing region; a plurality of light-emitting device groups on the base substrate, any two adjacent light-emitting device groups of the plurality of light-emitting device groups being spaced apart from each other by the spacing region; and a light-shielding layer on the base substrate. The light-shielding layer covers the plurality of light-emitting device groups and fills the spacing region, a first portion of the light-shielding layer covering the plurality of light-emitting device groups has a first thickness, a second portion of the light-shielding layer filling the spacing region has a second thickness, the first thickness is less than the second thickness.
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公开(公告)号：US20250040049A1
公开(公告)日：2025-01-30
申请号：US18043219
申请日：2022-02-21
Inventor： Chao LIU , Ting CAI , Ming ZHAI , Lili WANG , Jing WANG , Mingming JIA , Sha FENG , Enkai DONG , Haiwei SUN , Ke WANG
Abstract: A wiring board includes a mother board and a daughter board that are stacked, a bonding layer disposed between the mother board and the daughter board, and at least one side wiring. The mother board includes a first substrate, and a first wiring layer disposed on the first substrate and including at least one first connection pad. The daughter board is disposed on a side of the first substrate away from the first wiring layer. The daughter board includes a second substrate, and a second wiring layer disposed on the second substrate and including at least one second connection pad. The at least one side wiring is connected, via a respective end thereof, to the at least one first connection pad in one-to-one correspondence, and the at least one side wiring is connected, via respective another end thereof, to the at least one second connection pad in one-to-one correspondence.
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公开(公告)号：US12154496B2
公开(公告)日：2024-11-26
申请号：US18270850
申请日：2021-02-26
Inventor： Shaolei Zong , Jigang Sun , Rui Liu , Xin Duan , Wei Sun , Junwei Zhang , Hongrun Wang , Fuqiang Li , Changfeng Sun , Hui Zhang , Xue Dong
IPC: G09G3/3225 , G09G3/20 , G09G3/36 , H04N23/611 , H04N23/67
Abstract: Disclosed are a display panel, a display device and a driving method. The display panel includes a plurality of sub-pixel units located in areas formed by the plurality of scanning signal lines and the plurality of data signal lines, and at least two adjacent sub-pixel units in the first direction and the second direction constitute a pixel island. A plurality of control units each corresponding to a sub-pixel unit row in the pixel island are provided. The control unit includes a control terminal, an input terminal and an output terminal. The control unit is configured to transmit a signal from the input terminal to the output terminal under control of a first signal transmitted by a control signal line corresponding to the control unit, and stop transmitting the signal from the input terminal to the output terminal under control of a second signal transmitted by the control signal line.
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