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公开(公告)号:US12182977B2
公开(公告)日:2024-12-31
申请号:US17765424
申请日:2021-04-12
Inventor: Qingwen Fan , Longhui Wang , Jinghua Miao , Shuai Hao , Huidong He , Shuo Zhang , Wenyu Li , Lili Chen , Hao Zhang
IPC: G06T5/80
Abstract: An image processing method is applied to an image display device, the image display device includes a lens having distortion coefficients and a display screen. The image processing method includes: dividing a display region of the display screen into image regions according to the distortion coefficients of the lens, an outer boundary line of each image region enclosing a polygon, a geometric center of the polygon enclosed by the outer boundary line of the image region coinciding with a geometric center of the lens, and distortion coefficients of positions of the lens on which vertexes of the polygon enclosed by the outer boundary line of the image region are mapped being the same; and performing anti-distortion processing on coordinates of vertexes of the image region according to a distortion coefficient corresponding to the vertexes of the image region to obtain texture coordinates of the vertexes of the image region.
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公开(公告)号:US12177645B2
公开(公告)日:2024-12-24
申请号:US17800011
申请日:2021-05-21
Inventor: Shuo Zhang , Tiankuo Shi , Xiaomang Zhang , Yanhui Xi , Zhihua Ji , Yan Sun , Chenxi Zhao , Xiangjun Peng , Yifan Hou , Lianghao Zhang , Li Tian , Jing Liu , Wei Sun
IPC: H04S7/00 , G02B30/00 , G06T7/593 , G06T7/73 , G09F9/00 , G09F27/00 , H04N5/64 , H04N13/302 , H04R1/02 , H04R1/34 , H04R1/40 , H04R3/12 , H04R5/02 , H04R5/04
Abstract: A sound-generating device, a display device, a sound-generating controlling method, and a sound-generating controlling device are provided. The sound-generating device includes: a reflection plate which includes a first sound wave reflection face arranged towards a first direction; a plurality of main loudspeakers, the plurality of main loudspeakers are distributed in an array in a preset three-dimensional space, and the preset three-dimensional space is located at one side of the first sound wave reflection face towards a first direction; the plurality of main loudspeakers include first main loudspeakers with a sound-generating direction towards the first direction, and second main loudspeakers with a sound-generating direction towards a second direction, the second direction is an opposite direction of the first direction; and the sound waves emitted by the second main loudspeakers are transmitted to the first sound wave reflection face and can be reflected by the first sound wave reflection face.
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公开(公告)号:US20240420651A1
公开(公告)日:2024-12-19
申请号:US18705572
申请日:2021-12-24
Inventor: Zhaohui MENG , Zijiao XUE
Abstract: A backlight control chip, a driving method, a backlight control system, and a near-eye display device. The backlight control chip for driving a backlight module, includes: a boosting circuit, configured to receive a variable-frequency clock signal and boost the variable-frequency clock signal into a synchronous signal, wherein both the variable-frequency clock signal and the synchronous signal have the same refresh rate as variable-frequency display; and a gating circuit, configured to at least receive the synchronous signal and frame rate control signals, and control output of the synchronous signal in response to the frame rate control signals.
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公开(公告)号:US12164717B2
公开(公告)日:2024-12-10
申请号:US18244383
申请日:2023-09-11
Inventor: Wenchao Han , Hong Yang
Abstract: A touch display panel, and a touch display device are provided. The touch display panel includes: a plurality of first data lines; a plurality of touch-control lines; a plurality of first contact pads; a plurality of first selection switches connected to the plurality of first contact pads in an one-to-one correspondence manner; each first selection switch is electrically connected to one first contact pad, one first data line and one touch-control line, and is configured to receive a first control signal and, according to the first control signal, electrically connect a first contact pad and a first data line during a first time period and electrically connect the first contact pad and a touch-control line during a second time period, and the first time period and the second time period do not overlap.
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公开(公告)号:US20240405802A1
公开(公告)日:2024-12-05
申请号:US18691082
申请日:2021-12-16
Inventor: Xiaojuan WU , Chunnan FENG , Jingjun DU , Yujie LIU , Jiaxing WANG , Yu ZHAO , Xian WANG , Jian WANG , Biqi LI , Feng QU
IPC: H04B5/26 , G02F1/1333
Abstract: A display apparatus comprises a back housing (DD), a backlight module (BLU) and a display module (PNL), which are sequentially arranged in a stacked manner. The display apparatus has an NFC wiring area (CC) for an NFC coil (LL) to be arranged therein; the NFC coil (LL) is arranged on the display module (PNL); and a ferrite layer (FF), which overlaps with the NFC wiring area (CC), is arranged between the back housing (DD) and a rear housing (E1) of the backlight module (BLU), and/or the rear housing (E1) of the backlight module (BLU) is provided with an opening which overlaps with the NFC wiring area (CC), and/or at least part of the area in which the back housing (DD) and the rear housing (E1) of the backlight module (BLU) overlap with the NFC wiring area (CC) is made of a non-metallic material.
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公开(公告)号:US20240404436A1
公开(公告)日:2024-12-05
申请号:US17921486
申请日:2021-11-29
Inventor: Desheng Wang , Zhichao Yang , Yong Zhang , Jian Wang , Lingfang Nie , Longhu Hao , Yashuai An , Peipei Wang , Zanwu Guo , Zhaohu Yu , Feng Qu , Xiaofeng Yin , Jing Pang , Qi Deng
IPC: G09G3/00 , G02F1/1362 , G09G3/36
Abstract: The display panel includes an active area and a border-frame area located at a periphery of the active area, the active area includes a plurality of sub-pixels and a plurality of data lines connected to the sub-pixels, and the border-frame area includes a testing area and a bonding area; the testing area includes a plurality of testing units that are arranged periodically in a first direction, each of the testing units includes one or more switching transistors, a first electrode of each of the switching transistors is connected to a testing-signal lead wire, and a second electrode is connected to one of the data lines; the bonding area includes a plurality of bonding units that are arranged periodically in the first direction, each of the bonding units includes one or more bonding pads, and each of the bonding pads is connected to one of the data lines.
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公开(公告)号:US20240385718A1
公开(公告)日:2024-11-21
申请号:US17921328
申请日:2021-10-28
Inventor: Xiaojuan WU , Xiuliang WANG , Jian WANG , Yu ZHAO , Yang GE , Jiaxing WANG , Yao BI , Jinshuai DUAN , Hongliang YUAN , Tianyang HAN
IPC: G06F3/044 , G02F1/1333 , G06F3/041 , G06T11/20
Abstract: Provided are a liquid crystal handwriting panel, a handwriting device, and a method for controlling the same, which relate to the field of display technologies. The liquid crystal handwriting panel includes: a first substrate and a second substrate that are opposite to each other, and a control assembly. By disposing a touch electrode layer in the first substrate, a position of a contact region of an external object and the first substrate is determined. An infrared positioning device is not disposed in the liquid crystal handwriting panel, and a touch electrode layer is disposed in the first substrate to achieve a function of saving or erasing handwriting, such that a thickness of the liquid crystal handwriting panel and weights of borders of the liquid crystal handwriting panel are reduced, and a screen-to-body ratio of the liquid crystal handwriting panel is improved.
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公开(公告)号:US12142172B2
公开(公告)日:2024-11-12
申请号:US18016437
申请日:2022-02-18
Inventor: Qiang Wang , Zhengxin Zhang , Lei Guo , Jiali Zhang , Ye Wang , Junrui Cui , Wei Tang , Pengju Zhang
Abstract: Provided in embodiments of the disclosure are a driving method for a display panel, and a display apparatus. A display frame includes a data refresh phase and a blanking time phase. The driving method for the display panel includes: in the data refresh phase, loading a clock signal including an active level and an inactive level to a gate driving circuit in a display panel to cause a gate line to load a gate-on signal, loading display data to a source driving circuit in the display panel to cause a data line to load a data voltage, and determining a current operating state of the display panel; and in the blanking time phase, loading a clock signal including an inactive level to the gate driving circuit in the display panel to cause the gate line to load a gate-off signal, and sending the current operating state of the display panel.
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公开(公告)号:US12125093B2
公开(公告)日:2024-10-22
申请号:US17471649
申请日:2021-09-10
Inventor: Menglei Zhang
IPC: G06Q30/0601 , G06N3/08 , G06T7/70 , G06V10/46 , G06V20/64
CPC classification number: G06Q30/0633 , G06N3/08 , G06Q30/0631 , G06T7/70 , G06V10/462 , G06V20/64
Abstract: A commodity recommendation method includes: receiving at least one image of a first commodity sent by a shopping cart, and the first commodity being a commodity placed in the shopping cart; inputting the at least one image into a commodity recognition model for commodity recognition to obtain commodity recognition information; inputting the commodity recognition information into a commodity recommendation model for purchase demand prediction to obtain at least one target recommended commodity; and sending information of the at least one target recommended commodity to the shopping cart.
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公开(公告)号:US20240283422A1
公开(公告)日:2024-08-22
申请号:US18644045
申请日:2024-04-23
Inventor: Chunnan FENG , Yulin FENG , Xue CAO , Yuelei XIAO , Can ZHANG , Yifan WU , Huiying LI , Qichang AN , Yue LI
IPC: H03H7/01
CPC classification number: H03H7/0115 , H03H7/0161
Abstract: Embodiments of the present disclosure provide a filter, an integrated passive device, an electronic device and a display device. The filter includes: a first port, a second port, a first band-pass filter circuit, a second band-pass filter circuit and a third band-pass filter circuit. The first band-pass filter circuit is configured to output a first signal after suppressing a signal with a frequency between a first frequency and a second frequency in an initial signal input from the first port; the second band-pass filter circuit is configured to receive the first signal and output a second signal with a frequency between a third frequency and a fourth frequency in the first signal; the third band-pass filter circuit is configured to receive the second signal and output a third signal with a frequency between a fifth frequency and a sixth frequency in the second signal to the second port.
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