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公开(公告)号：US20240241400A1
公开(公告)日：2024-07-18
申请号：US17925694
申请日：2021-12-17
Inventor： Jingyu Wang , Zhe Li , Zhidan Sun , Ruiqi Pan , Dan Lei , Zhengyuan Teng , Peng Li , Xiaoji Li , Taeyup Min , Hailin Qin
IPC: G02F1/1333 , G02F1/1335 , G02F1/13357
CPC classification number: G02F1/13338 , G02F1/133512 , G02F1/133603 , G02F1/133607 , G02F2201/52
Abstract: A liquid-crystal display panel includes a first region and a second region, and a transmittance of the first region is greater than a transmittance of the second region; the liquid-crystal display panel includes a plurality of sub-pixels; the plurality of sub-pixels include a first-color sub-pixel and a second-color sub-pixel, a transmittance of the first-color sub-pixel is greater than a transmittance of the second-color sub-pixel, and an area of the first-color sub-pixel is greater than an area of the second-color sub-pixel; and the plurality of sub-pixels further include a first-region sub-pixel and a second-region sub-pixel that have a same color, the first-region sub-pixel is located within the first region, the second-region sub-pixel is located within the second region, and a thickness of a color-resistance layer of the first-region sub-pixel is less than or equal to a thickness of a color-resistance layer of the second-region sub-pixel.
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162.发明授权公开(公告)号：US11907461B2
公开(公告)日：2024-02-20
申请号：US18296770
申请日：2023-04-06
Inventor： Yang Rao , Cheng Zuo , Dayu Zhang , Kangpeng Dang , Hong Chen , Peng Qin , Zhong Jin , Bo Wang , Zhongli Luo , Xiong Guo , Shifei Huang , Teng Liu , Yuansheng Tang
IPC: G06F3/041
CPC classification number: G06F3/0412 , G06F3/0418 , G06F3/04164
Abstract: A touch circuit includes: a touch IC; a first pull-up sub-circuit; a second pull-up sub-circuit; a first switching sub-circuit configured to transmit a signal from a data signal input terminal to a data signal port under control of a signal from a first signal input terminal; and a second switching sub-circuit configured to transmit a signal from a clock signal input terminal to a clock signal port under control of the signal from the first signal input terminal. The signal from the data signal input terminal is transmitted to the first switching sub-circuit earlier than the signal from the first signal input terminal, and the signal from the clock signal input terminal is transmitted to the second switching sub-circuit earlier than the signal from the first signal input terminal.
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公开(公告)号：US11796844B2
公开(公告)日：2023-10-24
申请号：US17504535
申请日：2021-10-19
Inventor： Yong Deng , Sijun Lei , Yansheng Sun , Yuxu Geng , Hebing Ma , Chaojie Zhang , Wencheng Luo , Pingjia Yu , Jingru Hu , Jian Chen , Rong Huang , Haixu Zou , Xinzhi Shao , Song Liu , Lv Lv
IPC: G02F1/13 , G02F1/1339 , G02F1/1347 , G02F1/1335
CPC classification number: G02F1/1323 , G02F1/1339 , G02F1/1347 , G02F1/133531 , G02F2202/28
Abstract: A display device and a manufacturing method thereof are provided. The display device includes a first liquid crystal panel for displaying a picture, a second liquid crystal panel for switching between a privacy mode and a sharing mode, and a back light assembly for emitting light; the second liquid crystal panel is disposed on a light-emitting side of the back light assembly; the first liquid crystal panel is disposed on a side of the second liquid crystal panel away from the back light assembly, and a spacer film is disposed between the first liquid crystal panel and the second liquid crystal panel, and is attached to the second liquid crystal panel.
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公开(公告)号：US20230335065A1
公开(公告)日：2023-10-19
申请号：US18026642
申请日：2022-03-04
Inventor： Jiandong Guo , Zhongshan Wu , Xiaoyuan Wang
IPC: G09G3/3291 , G06F3/041
CPC classification number: G09G3/3291 , G06F3/0412
Abstract: A driving circuit, a driving method, a display substrate and a display device are provided. The driving circuit includes a first node control circuit, a second node control circuit, a third node control circuit and an output circuit; the first node control circuit controls the potential of the first node; the second node control circuit controls the potential of the second node; the third node control circuit controls, under the control of the on-off control signal, the first node to be electrically connected to the third node or the first node to be electrically disconnected from the third node; the output circuit controls, under the control of the potential of the second node and the potential of the third node, output of the driving signal through the driving signal terminal.
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公开(公告)号：US11733806B2
公开(公告)日：2023-08-22
申请号：US17434956
申请日：2020-11-26
Inventor： Shuang Hu , Jingpeng Zhao , Yajie Bai , Taoliang Tang , Wentao Zhu , Hongxin Pan , Xing Dong , Rui Liu
IPC: G06F3/041
CPC classification number: G06F3/04184 , G06F3/0412
Abstract: Provided are a driving method, a gate drive unit and a display touch device. The driving method is applied to the gate drive unit in the display touch device. The gate drive unit includes at least one pull-down circuit. The pull-down circuit is coupled with a pull-up node and a pull-down voltage terminal, and is configured to control connection or disconnection between the pull-up node and the pull-down voltage terminal; one frame of image display time includes a display phase and a touch phase that are alternately set, and at least one of the touch phase is set between two adjacent display phases. The driving method includes: during the touch phase, controlling, by the at least one pull-down circuit, the disconnection between the pull-up node and the pull-down voltage terminal. The problem of a screen flashing phenomenon of existing display touch devices during the touch phase is solved.
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Patent Agency Ranking
公开(公告)号：US20230253502A1
公开(公告)日：2023-08-10
申请号：US18134389
申请日：2023-04-13
Inventor： Jun Wang , Zhonghao HUANG
IPC: H01L29/786 , H01L27/12 , H01L29/66
CPC classification number: H01L29/78633 , H01L27/124 , H01L27/127 , H01L27/1225 , H01L27/1288 , H01L29/7869 , H01L29/66969
Abstract: An array substrate, a display device and a fabrication method are provided. The array substrate includes a first metal layer at one side of a base substrate, the first metal layer including a light shielding part, a source, a drain in a display area; a second metal layer at a side, facing away from an active layer, of gate insulating layer, the second metal layer includes a gate, a source-landing electrode a drain-landing electrode in the display area, the source-landing electrode is in contact with the active layer and the source through a first via hole penetrating through the gate insulating layer and a buffer layer and exposing one end of the active layer, the drain-landing electrode is in contact with the active layer and the drain through a second via hole penetrating through the gate insulating layer and the buffer layer and exposing other end of the active layer.
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公开(公告)号：US11696403B2
公开(公告)日：2023-07-04
申请号：US16956751
申请日：2019-08-07
Inventor： Peng Zhang , Sijun Lei , Xianyong Gao , Yansheng Sun , Yunsong Li , Xinzhi Shao , Dengqian Li , Shanbin Chen , Jia Sun , Guangzhao Li , Bo Ran , Zhicai Xu , Bichao Chen
CPC classification number: H05K1/14 , G06F1/1616 , H05K1/028 , H05K2201/10128
Abstract: A display device and an electronic apparatus. The display device includes a display panel, a first circuit board and a second circuit board. The display panel includes a light-outgoing side and a non-light-outgoing side opposite to the light-outgoing side; the first circuit board is electrically connected to the display panel and positioned at the non-light-outgoing side; and the second circuit board is configured to be electrically connected to the first circuit board, and the second circuit board includes a functional circuit in signal connection with the display panel.
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公开(公告)号：US11645983B2
公开(公告)日：2023-05-09
申请号：US16757963
申请日：2019-10-11
Inventor： Yanwu Chen , Bo Xu
IPC: G09G3/34 , H02M1/14 , H02M7/483 , H03M1/46 , G03B21/20 , H05B45/3725 , H02M1/44 , H02M3/157 , H02M3/158
CPC classification number: G09G3/3406 , H02M1/14 , H02M1/44 , H02M3/157 , H02M3/158 , H05B45/3725 , G09G2320/0626 , G09G2330/02
Abstract: The embodiments of the present application disclose a booster circuit and a driving method thereof, a backlight module and a display device. The booster circuit includes: a booster sub-circuit and an oscillation elimination sub-circuit; wherein the booster sub-circuit includes a power supply element, an inductor, and a first switch; the booster sub-circuit is configured to provide, at a connection node, a voltage higher than a voltage provided from the power supply element; and wherein a parasitic capacitance occurs between the connection node and a ground terminal; the oscillation elimination sub-circuit is configured to prevent a current generated when the parasitic capacitance discharges from flowing through the inductor so as to eliminate an oscillation generated between the parasitic capacitance and the inductor.
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公开(公告)号：US20230085261A1
公开(公告)日：2023-03-16
申请号：US17991383
申请日：2022-11-21
Inventor： Shuai CHEN , Xiuzhu TANG , Hailong WU , Jianfeng YUAN , Zhi ZHANG , Xuebo LIANG , Qian WANG , Qiyuan WEI , Qi LI
Abstract: The present disclosure provides a shift register, a drive method thereof, and a gate drive circuit. The shift register includes an input circuit, a reset circuit, a first output circuit, and a second output circuit. The input circuit is configured to provide an input signal from an input terminal to a first node. The reset circuit is configured to provide a first voltage from a first voltage terminal to the first node under the control of a reset signal from a reset signal terminal. The first output circuit is configured to output from a first output terminal one of a first clock signal and a second clock signal as a first scan signal. The second output circuit is configured to output from a second output terminal the other of the first clock signal and the second clock signal as a second scan signal.
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公开(公告)号：US20230060342A1
公开(公告)日：2023-03-02
申请号：US17790238
申请日：2021-05-17
Inventor： Ni YANG , Wu WANG , Guanglan XU
IPC: G02F1/1368 , G09G3/36 , G02F1/1362
Abstract: A display panel and a manufacturing method thereof are disclosed. The display panel has a display area and a peripheral area, including: an array substrate, an opposite substrate, and a sealant layer including a first edge close to the display area and a second edge away from the display area. The array substrate includes a base substrate, a driving circuit and an organic insulating layer including a first part and a second part. In a direction perpendicular to a substrate surface, the first part overlaps with the sealant layer, and the second part has no overlap. In a direction parallel to the substrate surface, an edge of the first part away from the display area is between the first edge and the second edge. The driving circuit includes a gate scan driving circuit at least partially overlapped with the first part in the direction perpendicular to the substrate surface.
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