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公开(公告)号：US20160026276A1
公开(公告)日：2016-01-28
申请号：US14520258
申请日：2014-10-21
IPC: G06F3/041
Abstract: A display device is disclosed. The display device includes a touch driving module, configured to cause the display device to perform a touch sensing function, a communication driving module, configured to cause the display device to perform a Near Field Communication (NFC) function, and a coil circuit. The touch driving module is further configured to receive and send a touch signal via the coil circuit, and the communication driving module is further configured to receive and send an NFC signal via the coil circuit.
Abstract translation: 公开了一种显示装置。 显示装置包括：触摸驱动模块，被配置为使显示装置执行触摸感测功能，通信驱动模块，被配置为使显示装置执行近场通信（NFC）功能;以及线圈电路。 触摸驱动模块还被配置为经由线圈电路接收和发送触摸信号，并且通信驱动模块还被配置为经由线圈电路接收和发送NFC信号。
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公开(公告)号：US20150042604A1
公开(公告)日：2015-02-12
申请号：US14245933
申请日：2014-04-04
IPC: G06F3/044
CPC classification number: G06F3/044 , G06F3/0412 , G06F3/046
Abstract: A liquid crystal panel, a display device and a scanning method thereof is disclosed. The liquid crystal panel includes a CF substrate, a TFT substrate and a liquid crystal layer sandwiched between the CF substrate and the TFT substrate; the CF substrate includes a transparent substrate and an integrated capacitive-electromagnetic composite touch layer located at the inner side of the transparent substrate to identify touch signals; wherein, the integrated capacitive-electromagnetic composite touch layer includes a capacitive touch structure and an electromagnetic touch structure electrically insulated from each other. According to the embodiments of the present invention, the integrated capacitive-electromagnetic composite touch layer is integrated to the inner of the CF substrate, so that the liquid crystal display including the liquid crystal panel of the embodiments of the present invention has capacitive and electromagnetic touch functions and is relatively thin.
Abstract translation: 公开了液晶面板，显示装置及其扫描方法。 液晶面板包括CF基板，TFT基板和夹在CF基板和TFT基板之间的液晶层; CF基板包括位于透明基板的内侧的透明基板和集成电容电磁复合触摸层，以识别触摸信号; 其中，所述集成电容电磁复合触摸层包括彼此电绝缘的电容式触摸结构和电磁触摸结构。 根据本发明的实施例，集成电容电磁复合触摸层被集成到CF基板的内部，使得包括本发明的实施例的液晶面板的液晶显示器具有电容和电磁触摸 功能比较薄。
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公开(公告)号：US20250124736A1
公开(公告)日：2025-04-17
申请号：US18990371
申请日：2024-12-20
Applicant: Shanghai Tianma Micro-Electronics Co., Ltd.
Abstract: Provided are a display panel and a display device. An array layer is located on a substrate. A display layer is located on a side of the array layer facing away from the substrate and includes light-emitting elements. A color filter layer is located on a side of the display layer facing away from the array layer. The color filter layer includes a light-blocking layer and color filters. The light-blocking layer includes first light-blocking part. At least one light-transmitting aperture is disposed in the first light-blocking part. First metal part overlaps the first light-blocking part. Further provided is a display device including the preceding display panel.
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24.发明公开公开(公告)号：US20230161032A1
公开(公告)日：2023-05-25
申请号：US18150688
申请日：2023-01-05
Applicant: Shanghai Tianma Micro-Electronics Co., Ltd.
CPC classification number: G01S15/8925 , G01S7/539 , G06V40/1306 , G06V10/98 , H01L29/78666
Abstract: Provided are an ultrasonic fingerprint identification circuit, a driving method thereof, and a display device. The ultrasonic fingerprint identification circuit comprises fingerprint identification units each including an ultrasonic fingerprint identification sensor connected to a first node; a control module connected to a composite signal line, a first control signal line and the first node and configured to provide a reset potential to the first node and to provide a pull-up potential to the first node in response to a first level provided by the composite signal line; a reading module connected to a second control signal line, the first node and a reading signal line, and configured to read a detection signal of the first node. The first control signal line connected to one fingerprint identification unit is reused as the second control signal line connected to another fingerprint identification unit.
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公开(公告)号：US20230052815A1
公开(公告)日：2023-02-16
申请号：US17452524
申请日：2021-10-27
Applicant: Shanghai Tianma Micro-Electronics Co., Ltd.
Inventor： Feng LU
IPC: G09G3/32
Abstract: Display panel, light sensing detection method thereof and display device are provided. The display panel includes a plurality of light sensing detection units. A light sensing detection unit of the plurality of light sensing detection units includes a light sensing detection circuit. The light sensing detection circuit corresponding to a same light sensing detection unit includes N light sensing detection branches connected in parallel, a light sensing detection branch of the N light sensing detection branches includes a storage capacitor, and N≥2. The N light sensing detection branches include a first light sensing detection branch and a second light sensing detection branch. The storage capacitor includes a first storage capacitor located in the first light sensing detection branch and a second storage capacitor located in the second light sensing detection branch. A capacitance of the first storage capacitor is greater than a capacitance of the second storage capacitor.
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Patent Agency Ranking
公开(公告)号：US20230030378A1
公开(公告)日：2023-02-02
申请号：US17674613
申请日：2022-02-17
Applicant: Shanghai Tianma Micro-Electronics Co., Ltd.
Inventor： Jing ZHANG , Feng LU
Abstract: A display panel and a display device are provided. The display panel includes a display area, a light transmission area, a first frame area, a crack detection line in the first frame area, and two first connection lines. The first frame area surrounds the light transmission area and the display area surrounding the first frame area. At least a portion of the crack detection line extends along a circumferential direction of the light transmission area. The crack detection line is connected to the two first connection lines. Each first connection line of the two first connection lines includes a first end connected to the crack detection line and a second end away from the first end. A distance between two first ends of the two first connection lines is larger than a distance between two second ends of the two first connection lines.
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公开(公告)号：US20220350457A1
公开(公告)日：2022-11-03
申请号：US17831182
申请日：2022-06-02
Applicant: Shanghai Tianma Micro-Electronics Co., Ltd.
Abstract: A display panel and a display device are provided. The display panel includes: at least one first touch line and at least one second touch line that are located in different layers; and a first dielectric layer located between the at least one first touch line and the at least one second touch line. The display panel has a first region and a second region, in the second region, one of the at least one first touch line is electrically connected to one of the at least one second touch line by passing the first dielectric layer. A thickness A of the first dielectric layer in the first region in a direction perpendicular to a plane of the display panel, and a thickness B of the first dielectric layer in the second region in the direction perpendicular to the plane of the display panel satisfy: A>B≥0.
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公开(公告)号：US20220069261A1
公开(公告)日：2022-03-03
申请号：US17521834
申请日：2021-11-08
Applicant: Shanghai Tianma Micro-Electronics Co., Ltd.
Inventor： Shihao TANG , Yang ZENG , Haochi YU , Yaodong WU , Feng LU , Qijun YAO , Jiaxian LIU , Ping AN
Abstract: Provided are a display panel and a display device, where the display panel includes a first light-emitting unit and a first color-resist block which are correspondingly disposed, where the first color-resist block includes a first display color-resist block and a first imaging color-resist block, the first light-emitting unit includes a first boundary and a second boundary which are disposed opposite to each other, the first boundary is located on a side of the second boundary near the first imaging color-resist block, the first display color-resist block includes a first edge and a second edge which are disposed opposite to each other, the first edge is located on a side of the second edge near the first imaging color-resist block, and a maximum distance between the first boundary and the first edge is greater than a maximum distance between the second boundary and the second edge.
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公开(公告)号：US20200379277A1
公开(公告)日：2020-12-03
申请号：US16670648
申请日：2019-10-31
Applicant: Shanghai Tianma Micro-Electronics Co.,Ltd.
IPC: G02F1/01 , G02F1/1368 , G02F1/1362 , G02F1/13363
Abstract: Display panel and display device are provided. The display panel includes a first substrate, a second substrate, and a plurality of pixel units. Each pixel unit includes a heating element, a reflective layer, a resonant cavity, and a phase-change material layer sequentially disposed on the first substrate, and a liquid crystal cell. The display panel also includes first signal lines extending along a row direction, second signal lines extending along the column direction, and a driving circuit in correspondence to each pixel unit. The driving circuit includes a first driving module and a second driving module that are connected to a same first signal line and a same second signal line. The first driving module drives the heating element to control the state of the phase-change material layer, and the second driving module controls the deflection of liquid crystal molecules in the liquid crystal cell.
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公开(公告)号：US20200242320A1
公开(公告)日：2020-07-30
申请号：US16453994
申请日：2019-06-26
Applicant: Shanghai Tianma Micro-Electronics Co.,Ltd.
Inventor： Yang ZENG , Feng LU , Haochi YU , Qing ZHANG
IPC: G06K9/00 , G06K9/20 , H01L27/146 , G02B5/30
Abstract: Display panel, display apparatus and method for fingerprint recognition are provided. The display panel includes a base layer, a light-emitting layer and a light-shielding layer having at least first and second imaging pinholes. The second imaging pinhole is disposed between two adjacent first imaging pinholes. The display panel further includes a light-sensitive fingerprint sensor layer and a fingerprint recognition light source generating first light during a first time period and second light during a second time period. The first light passes through the first imaging pinholes and the second imaging pinholes do not allow the first light to pass through, and the second light passes through the second imaging pinholes and the first imaging pinholes do not allow the second light to pass through.
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