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公开(公告)号：US11950355B2
公开(公告)日：2024-04-02
申请号：US17762682
申请日：2021-05-12
发明人： Hui Wen , Lianbin Liu , Hengzhen Liang , Xu Lu , Zhaolun Liu
IPC分类号： H05K1/02
CPC分类号： H05K1/0219 , H05K1/0224 , H05K1/028
摘要： The flexible circuit board includes: a substrate layer; a first conductive layer; a second conductive layer; a first cover film, a second cover film, a first electromagnetic shielding layer, and a second electromagnetic shielding layer. The part of the first cover film overlapping a first conductive portion has first hollow portions. The part of the second cover film overlapping a second conductive portion has second hollow portions. The orthographic projection of each first hollow portion on the substrate layer has an overlapping area with the orthographic projection of at least one second hollow portion on the substrate layer. The first electromagnetic shielding layer is coupled to the first conductive portion through the first hollow portions. The second electromagnetic shielding layer is coupled to the second conductive portion through the second hollow portions.
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公开(公告)号：US11839018B2
公开(公告)日：2023-12-05
申请号：US17427110
申请日：2020-12-17
发明人： Wenxiao Niu , Xinpeng Wang , Hengzhen Liang , Xiaolong Zhu , Lianbin Liu
CPC分类号： H05K1/0218 , G06F3/04164 , H05K1/0281 , H05K1/189 , G06F3/0412 , G06F3/0446 , H05K2201/0715 , H05K2201/09027 , H05K2201/09036 , H05K2201/09227 , H05K2201/09245 , H05K2201/09509 , H05K2201/10128 , H05K2201/10189 , H05K2201/2009 , H10K59/131 , H10K59/40
摘要： A flexible printed circuit board and a display touch apparatus are provided. The flexible printed circuit board includes a binding terminal region, a first circuit region and a second circuit region; the binding terminal region includes multiple terminals, the first circuit region includes a driver circuit, multiple first signal lines, multiple second signal lines, and multiple third signal lines, and the second circuit region includes an external connector; first ends of the multiple first signal lines, the multiple second signal lines and the multiple third signal lines are respectively connected to the terminals of the binding terminal region; second ends of the multiple first signal lines and the multiple second signal lines are respectively connected to the driver circuit; and second ends of the multiple third signal lines are connected to the connector.
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公开(公告)号：US11765830B2
公开(公告)日：2023-09-19
申请号：US17435158
申请日：2020-12-25
发明人： Lianbin Liu , Hengzhen Liang , Xu Lu , Xiaolong Zhu , Qing Gong , Hui Wen , Ting Qin
CPC分类号： H05K1/144 , G01L9/02 , G01L9/08 , G01L9/12 , H05K1/028 , H05K1/0218 , H05K1/0346 , H05K2201/0154 , H05K2201/041 , H05K2201/10128 , H05K2201/10151
摘要： A flexible printed circuit and a display device are provided. The flexible printed circuit includes: a plurality of sub-circuit boards arranged in a stack, wherein the plurality of sub-circuit boards include at least a first sub-circuit board and a second sub-circuit board; and a pressure sensor arranged on the first sub-circuit board, wherein the first sub-circuit board includes: a substrate film; a conductive film arranged on a side of the substrate film away from the second sub-circuit board; an adhesive layer arranged on a side of the conductive film away from the substrate film; a cover layer arranged on a side of the adhesive layer away from the substrate film; and an electromagnetic shielding layer arranged on a side of the cover layer away from the substrate film, wherein at least a part of the conductive film is formed as an electrode of the pressure sensor.
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公开(公告)号：US11930587B2
公开(公告)日：2024-03-12
申请号：US17921887
申请日：2021-06-07
发明人： Fan Li , Hengzhen Liang , Yunhan Xiao , Lianbin Liu
CPC分类号： H05K1/0218 , G06F3/0412 , H05K1/028 , H05K1/144 , H05K1/147 , G06F3/0443 , H05K2201/041 , H05K2201/10128
摘要： Provided are a flexible printed circuit board and a display device. The flexible printed circuit board comprises a main flexible printed circuit board and a connection flexible printed circuit board having different outlines. Both printed circuit boards are single-layer boards or double-layer boards. The main flexible printed circuit board comprises a bonding region, a device mounting region, a first connection region and signal lines. The signal lines include a first signal line positioned between the device mounting region and the first connection region, and a second signal line positioned between the device mounting region and the bonding region. The connection flexible printed circuit board comprises a second connection region, a third connection region and a third signal line positioned between the second connection region and the third connection region. The two flexible printed circuit boards are connected by means of the first connection region and the second connection region. An orthographic projection of the third signal line on the main flexible printed circuit board overlaps with the second signal line. In an overlapping region, an electromagnetic shielding structure is at least provided at one side of the main flexible printed circuit board facing the connection flexible printed circuit board or at one side of the connection flexible printed circuit board facing the main flexible printed circuit board.
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公开(公告)号：US20220116490A1
公开(公告)日：2022-04-14
申请号：US16954573
申请日：2019-07-31
发明人： Fan Li , Lianbin Liu , Huan Meng , Mingfang Wang
摘要： A terminal device includes: a rear housing, and a photosensitive element disposed on the rear housing; a light-transmissive cover plate provided with an edge window region coated with ink, wherein the edge window region includes a light-transmissive ink region; and a display panel provided with an edge light-transmissive region, wherein at least a portion of the edge light-transmissive region is disposed between the light-transmissive ink region and the photosensitive element, and both the edge light-transmissive region and the light-transmissive ink region are regions transmittable to light.
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公开(公告)号：US11217549B2
公开(公告)日：2022-01-04
申请号：US16756976
申请日：2018-10-30
发明人： Lianbin Liu , Hengzhen Liang , Chuanyan Lan , Guoqiang Wu
IPC分类号： H01L23/00
摘要： A driving chip and a display device are provided herein. The driving chip includes a substrate, a plurality of connection bumps and a plurality of buffer bumps on the substrate. Each of the connection bumps and the buffer bumps is disposed on a first substrate of the substrate. The buffer bump includes a first end face with a height a, and the connection bump has a connection bump end face with a height b, a
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公开(公告)号：US11983042B2
公开(公告)日：2024-05-14
申请号：US17770668
申请日：2021-06-09
发明人： Wenxiao Niu , Lianbin Liu , Hengzhen Liang , Shiheng Mu
CPC分类号： G06F1/1652 , G06F1/1643 , G06F3/0446 , H01Q1/243 , H05K1/189 , H05K2201/10128
摘要： A display apparatus includes an antenna and a first bending portion. The antenna includes an antenna feed point. An end of the first bending portion is connected to a side edge of a touch film proximate to the antenna feed point, and another end of the first bending portion is provided with a first bonding pin group and a first redundant pin group. The first redundant pin group is located on a side of the first bonding pin group proximate to a first plane, such that a wiring blank area of the first bending portion is formed on a side of a connection lead group proximate to the first plane.
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公开(公告)号：US11921550B2
公开(公告)日：2024-03-05
申请号：US17512628
申请日：2021-10-27
发明人： Fan Li , Qiang Tang , Lianbin Liu , Yunhan Xiao , Xiaolong Zhu , Hengzhen Liang
CPC分类号： G06F1/183 , H05K1/111 , H05K1/182 , H05K2201/10128
摘要： A circuit board, a display panel and a display apparatus are provided. The circuit board includes a main circuit board and an adapter circuit board stacked on the main circuit board. The adapter circuit board is provided with at least one first pad region, and the first pad region includes a hollowed region penetrating through the adapter circuit board and multiple first pads distributed around the hollowed region. The main circuit board is provided with at least one second pad region including multiple second pads, and the first pads of each of the first pad regions are respectively soldered to the multiple second pads of a corresponding second pad region.
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公开(公告)号：US11893179B2
公开(公告)日：2024-02-06
申请号：US17922536
申请日：2021-11-05
发明人： Ji Wang , Hengzhen Liang , Lianbin Liu , Fan Li
CPC分类号： G06F3/04164 , G06F3/0412 , G06F3/0446 , G06F2203/04107
摘要： A touch display device, relating to the technical field of display, and capable of reducing interference between signals and reducing production costs. The touch display device comprises a touch display module, a flexible printed board, and a touch chip. The flexible printed board is electrically connected to the touch display module, and comprises a first flexible substrate, a first metal pattern layer, a second metal pattern layer, and a metal shielding layer. The first metal pattern layer comprises a plurality of first touch wires. The second metal pattern layer comprises a plurality of data wires. The metal shielding layer is located between the first flexible substrate and the first metal pattern layer. A ratio of the longitudinal length of the metal shielding layer to the longitudinal length of the flexible printed board ranges from 20% to 40%. A vertical projection of the first metal pattern layer on the first flexible substrate and a vertical projection of the second metal pattern layer on the first flexible substrate have an overlapping region; and a vertical projection of the metal shielding layer on the first flexible substrate at least covers the overlapping region. The width of the first touch wires is greater than the width of the electrode leads.
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公开(公告)号：US11662853B2
公开(公告)日：2023-05-30
申请号：US16959018
申请日：2019-08-12
发明人： Wenxiao Niu , Lianbin Liu , Xu Lu , Hengzhen Liang , Qing Gong , Fan Li , Hui Wen , Wen Xu
IPC分类号： G06F3/041 , G02F1/1333 , G02F1/1335 , G02F1/1345 , H01L27/32 , H01L51/52
CPC分类号： G06F3/04164 , G02F1/13338 , G02F1/13452 , G02F1/133308 , G02F1/133528 , G06F2203/04105 , H10K50/841 , H10K59/40
摘要： A display device includes a controller, a frame, a display panel, an FPC and a force sensing structure; wherein the FPC is disposed on a back side of the display panel and electrically connected to the display panel, and the back side of the display panel is a side opposite to a light-emitting surface of the display panel; the force sensing structure is disposed on the FPC and electrically connected to the controller by the FPC; and the frame is disposed on a side, distal from the display panel, of the FPC, and a specified distance exists between the frame and the force sensing structure.
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