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公开(公告)号：US11200399B1
公开(公告)日：2021-12-14
申请号：US17132972
申请日：2020-12-23
Applicant: Xiamen Tianma Micro-Electronics Co., Ltd.
Inventor： Xu Yang , Bozhi Liu , Xiai Xu , Guozhao Chen
IPC: G06K9/00 , G09G5/10 , G09G3/3233 , G02F1/1333 , H01L27/32
Abstract: Provided are a display panel and a driving method of a display panel. The display panel includes a substrate, a sub-pixel array located on the substrate, and at least one fingerprint identification unit group; each of the at least one fingerprint identification unit group includes a first fingerprint identification unit and a second fingerprint identification unit; the first fingerprint identification unit, which is in the fingerprint identification unit group to which the second fingerprint identification unit belongs, is electrically connected to the pixel circuit of at least one sub-pixel which is peripheral to the second fingerprint identification unit; the first fingerprint identification unit is configured to adjust, in a first fingerprint identification phase, the at least one sub-pixel electrically connected to the first fingerprint identification unit from a first luminance to a second luminance.
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公开(公告)号：US10861370B2
公开(公告)日：2020-12-08
申请号：US16392629
申请日：2019-04-24
Applicant: Xiamen Tianma Micro-Electronics Co., Ltd.
Inventor： Bingping Liu , Zhenqing Xie , Guozhao Chen
IPC: G09G3/20
Abstract: Provided are a driving circuit and driving method for a display panel, and a display device. The driving method of a display panel includes that: the display panel includes a base substrate, a plurality of data lines and a plurality of scanlines; the plurality of data lines and the plurality of scanlines intersect to define a plurality of sub-pixels; each of pixel units is formed by adjacent N sub-pixels, a data line group is formed by every X data lines of the plurality of data lines connected to M columns of the pixel units, and the data line group is connected to a data signal output line through a multiplexer; the method further includes: controlling, through the multiplexer, data lines in a same data line group and corresponding to sub-pixels of a same color to continuously input data signals.
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公开(公告)号：US20170345845A1
公开(公告)日：2017-11-30
申请号：US15278045
申请日：2016-09-28
Inventor： Xiaoxiao Wu , Bingping Liu , Xiufeng Zhou , Xiai Xu , Shoujin Cai , Junyi Li , Guozhao Chen , Poping Shen
CPC classification number: H01L27/124 , G02F1/1345 , G02F1/136286 , G09G3/3677 , G09G2310/0286 , G09G2310/0297
Abstract: An array substrate, and a display panel and display device including the same are disclosed. An embodiment of the array substrate comprises a display region and a non-display region. The non-display region comprises: abase substrate; and a first metal layer, a second metal layer, and a third metal layer arranged in a direction perpendicular to the base substrate. A transistor and a metal line are arranged in the non-display region. A gate electrode of the transistor is located in the first metal layer. A source electrode and a drain electrode of the transistor are located in the second metal layer. The metal line is located in the third metal layer. The orthographic projection of the transistor onto the base substrate overlaps, at least partially, with the orthographic projection of the metal line onto the base substrate.
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公开(公告)号：US11101304B2
公开(公告)日：2021-08-24
申请号：US16653019
申请日：2019-10-15
Applicant: Xiamen Tianma Micro-Electronics Co., Ltd.
Inventor： Bozhi Liu , Xiaoqi Shi , Shoujin Cai , Xuexin Lan , Guozhao Chen
IPC: H01L27/146 , G06K9/00 , H01L31/105 , H01L31/20
Abstract: A diode and its fabrication method are provided. The diode includes a substrate, a buffer layer on a side of the substrate, a first film layer, a second film layer and a third film layer. The first film layer is a polycrystalline silicon film layer; the second film layer is an amorphous silicon film layer; and the third film layer is one of the polycrystalline silicon film layer and the amorphous silicon film layer. The diode at least includes a first portion, a second portion, a third portion, a first electrode, and a second electrode. The first portion is located in the first film layer; the second portion is located in the second film layer; and the third portion is located in the third film layer. The first electrode is electrically connected to the first portion, and the second electrode is electrically connected to the third portion.
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公开(公告)号：US10732752B1
公开(公告)日：2020-08-04
申请号：US16437419
申请日：2019-06-11
Applicant: XIAMEN TIANMA MICRO-ELECTRONICS CO., LTD.
Inventor： Yihua Zhu , Xiai Xu , Bingping Liu , Guozhao Chen
IPC: G06F3/041
Abstract: The present disclosure provides a display panel and a display device, including: a display area and a non-display area, that the display area includes data lines, and the non-display area includes a binding area including conductive pads; a multiplex distribution circuit including demultiplexers, that each of demultiplexers includes: one input terminal, N output terminals, N first switching elements; and connecting lines. The one input terminal and the conductive pads are electrically connected, and the N output terminals are electrically connected to the data lines. First electrodes of the N first switching elements are electrically connected to the one input terminal, and second electrodes are electrically connected to the N output terminals. The demultiplexers include at least one first demultiplexer. The N First switching elements of the at least one first demultiplexer are disposed in the display area. N is a positive integer and N≥2.
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Patent Agency Ranking
公开(公告)号：US10691238B2
公开(公告)日：2020-06-23
申请号：US15810787
申请日：2017-11-13
Applicant: Xiamen Tianma Micro-Electronics Co., Ltd.
Inventor： Shoujin Cai , Xiaoxiao Wu , Bingping Liu , Xiai Xu , Guozhao Chen
Abstract: An array substrate and a touch control display panel are provided. The array substrate comprises a display area and a non-display area surrounding the display area; a plurality of touch control electrodes comprising a plurality of first touch control electrodes and a plurality of second touch control electrodes; and a plurality of touch control signal lines. A first touch control electrode is disposed only in the display area. A second touch control electrode includes a first portion disposed in the display area and a second portion disposed in the non-display area. A ratio m between an area of the first portion of the second touch control electrode and an area of the first touch control electrode is configured to be approximately 0.067≤m≤0.65. A touch control electrode is electrically connected to at least one of the plurality of touch control signal lines.
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公开(公告)号：US10177172B2
公开(公告)日：2019-01-08
申请号：US15278045
申请日：2016-09-28
Inventor： Xiaoxiao Wu , Bingping Liu , Xiufeng Zhou , Xiai Xu , Shoujin Cai , Junyi Li , Guozhao Chen , Poping Shen
IPC: H01L27/12 , G09G3/36 , G02F1/1345 , G02F1/1362
Abstract: An array substrate, and a display panel and display device including the same are disclosed. An embodiment of the array substrate comprises a display region and a non-display region. The non-display region comprises: abase substrate; and a first metal layer, a second metal layer, and a third metal layer arranged in a direction perpendicular to the base substrate. A transistor and a metal line are arranged in the non-display region. A gate electrode of the transistor is located in the first metal layer. A source electrode and a drain electrode of the transistor are located in the second metal layer. The metal line is located in the third metal layer. The orthographic projection of the transistor onto the base substrate overlaps, at least partially, with the orthographic projection of the metal line onto the base substrate.
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公开(公告)号：US11100306B1
公开(公告)日：2021-08-24
申请号：US16996258
申请日：2020-08-18
Applicant: Xiamen Tianma Micro-Electronics Co., Ltd.
Inventor： Xiaoxiao Wu , Jiaqian Wu , Min Huang , Guozhao Chen
IPC: G06K9/00 , G09G3/20 , G09G3/3266
Abstract: A display panel and a display device are provided in the present disclosure. The display panel includes a display region and a non-display region surrounding the display region. The display region includes a plurality of fingerprint recognition units. The non-display region includes a drive chip and Q first gate drive circuits, where the drive chip includes a first encoding circuit including M signal output terminals. The non-display region further includes a first decoding circuit and M first signal lines. The first decoding circuit includes M signal input terminals and N signal output terminals, where 1≤M
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公开(公告)号：US10788915B2
公开(公告)日：2020-09-29
申请号：US16214492
申请日：2018-12-10
Applicant: Xiamen Tianma Micro-Electronics Co., Ltd.
Inventor： Xuexin Lan , Bozhi Liu , Guozhao Chen
Abstract: The present disclosure provides a force sensor, a display panel, and a force detection method. The force sensor includes a first input terminal, a second input terminal, a first output terminal, and a second output terminal. A first resistor is connected between the first input terminal and the first output terminal. A first transistor and a second transistor are connected in parallel between the first output terminal and the second input terminal. A third transistor and a fourth transistor are connected in parallel between the second input terminal and the second output terminal. A further first resistor is connected between the second output terminal and the first input terminal. An equivalent resistance of the first transistor is equal to that of the fourth transistor, and an equivalent resistance of the second transistor is equal to that of the third transistor.
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公开(公告)号：US10580378B2
公开(公告)日：2020-03-03
申请号：US15793697
申请日：2017-10-25
Applicant: XIAMEN TIANMA MICRO-ELECTRONICS CO., LTD.
Inventor： Shoujin Cai , Bingping Liu , Yihua Zhu , Yuanhang Li , Xiaoxiao Wu , Guozhao Chen , Junyi Li
Abstract: A shift register, gate drive circuit and display panel are provided. The shift register includes a latch unit, a NAND gate unit, a buffer unit and a switch unit. The latch unit, the NAND gate unit and the buffer unit are configured to produce a scanning driving signal and a scanning stopping signal. The latch unit is configured to control the switch unit to be turned on so as to output the scanning driving signal or the scanning stopping signal from the output terminal of the shift register, or control the switch unit to be turned off so as to enable the output terminal of the shift register to float.
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