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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：US20210200980A1
公开(公告)日：2021-07-01
申请号：US16868416
申请日：2020-05-06
Applicant: Xiamen Tianma Micro-Electronics Co., Ltd.
Inventor： Xiai Xu , Xiaoxiao Wu , Bozhi Liu , Min Huang
Abstract: Provided are a display panel and display device. The display panel includes a display region and a border region. The border region is provided with a display cascade scanning circuit and a fingerprint-identification cascade scanning circuit. The display region is provided with multiple display scanning lines and multiple fingerprint scanning lines. The display cascade scanning circuit is electrically connected to the multiple display scanning lines and configured to output display scanning signals to the multiple display scanning lines respectively. The fingerprint-identification cascade scanning circuit is electrically connected to the multiple fingerprint scanning lines and configured to generate and output fingerprint scanning signals to the multiple fingerprint scanning lines respectively. The fingerprint-identification cascade scanning circuit includes a first fingerprint-identification cascade scanning circuit and a second fingerprint-identification cascade scanning circuit that are disposed at two opposite sides of the display region.
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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：US11244134B2
公开(公告)日：2022-02-08
申请号：US16868416
申请日：2020-05-06
Applicant: Xiamen Tianma Micro-Electronics Co., Ltd.
Inventor： Xiai Xu , Xiaoxiao Wu , Bozhi Liu , Min Huang
Abstract: Provided are a display panel and display device. The display panel includes a display region and a border region. The border region is provided with a display cascade scanning circuit and a fingerprint-identification cascade scanning circuit. The display region is provided with multiple display scanning lines and multiple fingerprint scanning lines. The display cascade scanning circuit is electrically connected to the multiple display scanning lines and configured to output display scanning signals to the multiple display scanning lines respectively. The fingerprint-identification cascade scanning circuit is electrically connected to the multiple fingerprint scanning lines and configured to generate and output fingerprint scanning signals to the multiple fingerprint scanning lines respectively. The fingerprint-identification cascade scanning circuit includes a first fingerprint-identification cascade scanning circuit and a second fingerprint-identification cascade scanning circuit that are disposed at two opposite sides of the display region.
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Patent Agency Ranking
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：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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公开(公告)号：US10409119B2
公开(公告)日：2019-09-10
申请号：US15834222
申请日：2017-12-07
Applicant: Xiamen Tianma Micro-Electronics Co., Ltd.
Inventor： Bozhi Liu , Xiaoxiao Wu , Guozhao Chen
IPC: G02F1/1343 , G02F1/1335
Abstract: A special-shaped display panel having a display area and a peripheral area, including: a peripheral light-shading layer at least partially located in the peripheral area and defining the display area; and a plurality of edge pixels, each of the edge pixels comprising an aperture portion located in the display area, and a light-shading portion located in the peripheral area and covered by the peripheral light-shading layer an area of the aperture portion of each edge pixel is defined as S, a transmittance of each edge pixel is defined as T, it is further defined that M=S*T, and the M values of the edge pixels are identical. Such solution improves the edge color cast problem of special-shaped display panel, makes the color displayed at the edge of the special-shaped display panel uniform, and improves the visual effect of the edge of the display panel.
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公开(公告)号：US11594063B2
公开(公告)日：2023-02-28
申请号：US16730820
申请日：2019-12-30
Applicant: Xiamen Tianma Micro-Electronics Co., Ltd
Inventor： Bingping Liu , Xiaoxiao Wu , Guozhao Chen
IPC: G06V40/13 , G02F1/1333 , G02F1/1362
Abstract: Provided are a display module and a display apparatus. The display module includes: sub-pixels arranged in an array along a first direction and a second direction; and an array substrate including an underlay substrate, a fingerprint recognition unit, and a first light-shielding layer. The fingerprint recognition unit includes a photosensitive semiconductor layer, and an orthographic projection of the photosensitive semiconductor layer on a plane of the underlay substrate is located between two adjacent sub-pixels along the second direction. The first light-shielding layer is located on a side of the photosensitive semiconductor layer close to the underlay substrate, and an orthographic projection of the first light-shielding layer on a plane of the photosensitive semiconductor layer completely covers the photosensitive semiconductor layer, and along the first direction, a length of the first light-shielding layer is larger than or equal to twice a length of each of the plurality of sub-pixels.
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公开(公告)号：US11437447B2
公开(公告)日：2022-09-06
申请号：US17203064
申请日：2021-03-16
Applicant: Xiamen Tianma Micro-Electronics Co., Ltd.
Inventor： Bingping Liu , Xiaoxiao Wu , Guozhao Chen
Abstract: Provided are a display device and a manufacturing method thereof. The display device includes an organic light-emitting display panel and a fingerprint identification assembly disposed on a non-light-emitting display side of the organic light-emitting display panel. The fingerprint identification assembly includes a first substrate, a fingerprint identification unit and a light-shielding structure. The fingerprint identification unit and the light-shielding structure are disposed on a same side of the first substrate. The light-shielding structure is disposed between the fingerprint identification unit and the organic light-emitting display panel; the light-shielding structure includes at least two light-shielding layers, each light-shielding layer includes light-transmissive portions and at least one light-shielding portion, and the light-transmissive portions are at least partially surrounded by the light-shielding portion; in a direction perpendicular to the first substrate, positions of light-transmissive portions in one light-shielding layer are in one-to-one correspondence with positions of light-transmissive portions in another one light-shielding layer.
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