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公开(公告)号：US11880107B2
公开(公告)日：2024-01-23
申请号：US17417787
申请日：2021-05-19
Inventor： Yi Liu
IPC: G02F1/1343 , G09G3/36
CPC classification number: G02F1/134327 , G09G3/3648
Abstract: The present application provides a pixel electrode, a driving method of the pixel electrode, and a liquid crystal display panel, the pixel electrode comprises a frame electrode and a keel electrode, the frame electrode forms a closed region, the keel electrode is located in the closed region, the keel electrode comprises at least a first trunk and a second trunk vertically intersecting the first trunk, the first trunk and the second trunk divide the closed region into four sub areas, and a shape of an area composed of any two adjacent sub areas is pagoda shaped, to improve a light transmittance of the pixel electrode.
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公开(公告)号：US20240022067A1
公开(公告)日：2024-01-18
申请号：US17605024
申请日：2021-07-27
Inventor： Haoran LI
IPC: H02H9/02
CPC classification number: H02H9/02
Abstract: A current limiting circuit includes a first voltage terminal, a second voltage terminal, a first transistor and a current limiting module. An input terminal of the first transistor is electrically connected to the first voltage terminal, and an output terminal of the first transistor is electrically connected to the second voltage terminal. The current limiting module is electrically connected to the input terminal of the first transistor and a control terminal of the first transistor. The current limiting module is configured to control voltage difference between the control terminal of the first transistor and the input terminal of the first transistor for controlling a state of the first transistor so that a current limiting value of the current limiting circuit is adjustable.
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公开(公告)号：US20240021123A1
公开(公告)日：2024-01-18
申请号：US17608138
申请日：2021-08-24
Inventor： Haoran LI , Jianfeng XIAO
IPC: G09G3/20
CPC classification number: G09G3/20 , G09G2330/021 , G09G2320/043 , G09G2320/041 , G09G2330/08
Abstract: A driving circuit is provided and includes a first transistor electrically connected to a first control terminal, a first voltage terminal and a first node; and a second transistor electrically connected to a second control terminal, the first node and a ground terminal; and an inductor, a first terminal thereof is electrically connected to the first node, and a second terminal thereof is electrically connected to a second voltage terminal; and a shunt module electrically connected to the first node and the ground terminal, and the shunt module is configured to provide a current loop to shunt a current flowing through the second transistor.
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公开(公告)号：US20240019750A1
公开(公告)日：2024-01-18
申请号：US17605064
申请日：2021-08-31
Applicant: Hulzhou China Star Optoelectronics Display Co., Ltd. , TCL China Star Optoelectronics Technology Co., Ltd.
Inventor： Ru GE
IPC: G02F1/157 , G02F1/155 , G02F1/1337 , G02F1/1362
CPC classification number: G02F1/157 , G02F1/155 , G02F1/1337 , G02F1/1362
Abstract: The present disclosure provides a display screen and a display device. The display screen includes an electrochromic layer located in a blind via area. The electrochromic layer includes a first electrode layer, an electrochromic material layer, and a second electrode layer stacked in sequence. By means of the display screen and the display device of the present disclosure, the blind via area and an under-screen camera can be shielded when a photographing function is disabled, so that the appearance is sightlier, the privacy is protected, and the lighting of the under-screen camera is not affected when the photographing function is enabled.
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公开(公告)号：US20240015891A1
公开(公告)日：2024-01-11
申请号：US17618487
申请日：2021-11-05
Inventor： Tong Deng
CPC classification number: H05K3/108 , H05K3/125 , H05K3/1283 , H05K1/028 , H05K3/303 , H05K2203/0186 , H05K2203/0264 , H05K2203/0502 , H05K2201/10128
Abstract: A method of manufacturing circuits of a substrate of a display device is provided. The method includes aligning and attaching a mask with multiple slots to a circuit area of the substrate; printing a printing material in the slots of the mask using an inkjet printing technology, so that the printing material is attached to the circuit area; removing the mask from the substrate; and curing the printing material on the circuit area to form a plurality of the circuits.
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Patent Agency Ranking
公开(公告)号：US11862051B2
公开(公告)日：2024-01-02
申请号：US17771488
申请日：2022-03-15
Inventor： Juan Wang
IPC: G09F9/33 , H01L27/15 , G09G3/32 , H01L25/075
CPC classification number: G09F9/33 , G09G3/32 , H01L25/0753 , H01L27/156 , H01L2933/0066
Abstract: A display panel and a light board are provided. The display panel includes a back board and a plurality of light boards, each of the plurality of light boards includes light beads and a first substrate and a second substrate that are disposed in a stack. The first substrate includes a first portion and the second substrate includes a second portion that exceeds the first substrate. The first portion of one of the plurality of light boards is stacked with the second portion of an adjacent light board to splice two of the plurality of light boards, and a distance between two columns of the plurality of light beads adjacent to each other and on an outermost side of the two light boards is within a preset range.
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公开(公告)号：US20230419914A1
公开(公告)日：2023-12-28
申请号：US17281122
申请日：2021-03-17
Inventor： Jinfeng LIU
CPC classification number: G09G3/3406 , G09G3/3685 , G09G2320/0257
Abstract: The present disclosure provides a backlight driving circuit and a liquid crystal display device. The backlight driving circuit of the present disclosure adds a light emitting control module to control a light emitting device to turn on or off, thereby controlling a backlight to turn on or off, realizing a function of black insertion frame by frame of the backlight of the liquid crystal display device, satisfying a BFI function requirement. In addition, it improves product quality. In addition, the liquid crystal display device of the present disclosure lights up the backlight after a deflection of a liquid crystal layer is stabilized and displays normally, and therefore, a problem of trailing when displaying images can be decreased.
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公开(公告)号：US20230419895A1
公开(公告)日：2023-12-28
申请号：US17423855
申请日：2021-05-31
Inventor： Bin LIU
IPC: G09G3/3233 , G09G3/32 , G09G3/3266
CPC classification number: G09G3/3233 , G09G3/32 , G09G3/3266 , G09G2310/0267 , G09G2310/0216
Abstract: A pixel driving circuit proposed in the present application includes a first transistor, a second transistor, a third transistor, a fourth transistor, a fifth transistor, a sixth transistor, a capacitor and a light-emitting device. In the pixel driving circuit, a threshold-voltage compensation is performed on the first transistor, and this can efficiently improve attenuation of electric current of the light-emitting device caused by a drift of threshold voltage of a drive transistor, thereby improving stability of a display panel.
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公开(公告)号：US11856715B2
公开(公告)日：2023-12-26
申请号：US17597233
申请日：2021-12-16
CPC classification number: H05K5/0021 , F16B5/0012
Abstract: The embodiment of the application discloses a splicing assembly and a splicing display screen. The splicing assembly includes a first connecting member, a second connecting member, and a locking member. The first connecting member has a plug-in portion. The second connecting member has a coupling portion for mating with the plug-in portion. The locking member is used for locking the first connecting member and the second connecting member together.
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公开(公告)号：US11854505B2
公开(公告)日：2023-12-26
申请号：US17413990
申请日：2021-05-31
Applicant: HUIZHOU CHINA STAR OPTOELECTRONICS DISPLAY CO., LTD. , TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
Inventor： Yonglei Zhang
IPC: G09G3/36
CPC classification number: G09G3/3607 , G09G2320/0233
Abstract: A display compensation method and device, and a display panel are disclosed. The display panel includes a plurality of pixel units each including a plurality of subpixels. The display compensation method includes obtaining original grayscale values of sub-images included in a pending image corresponding to the pixel units, and determining the sub-images whose original grayscale value is less than or equal to a grayscale threshold value as a target sub-image. The target sub-image is displayed through each of the subpixels of a target pixel unit corresponding to the target sub-image, and each of the subpixels of the target pixel unit has a grayscale value equal to a grayscale value of the target sub-image.
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