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公开(公告)号：US20190392915A1
公开(公告)日：2019-12-26
申请号：US16167870
申请日：2018-10-23
Applicant: WUHAN TIANMA MICRO-ELECTRONICS CO., LTD.
Inventor： Jiazhu ZHU , Shanfu YUAN , Tao PENG , Ruiyuan ZHOU
Abstract: Display panel and display device are provided. The display panel includes scan lines and a scan driving circuit including shift registers in a cascaded configuration and multiplexers. One shift register is connected to one multiplexer. One multiplexer is connected to M scan lines and includes M control units connected with the scan lines in a one-to-one correspondence. Output terminals of switch branches in a control unit are connected to one scan line. An input terminal of a main switch branch is connected to an output terminal of the shift register. An input terminal of an auxiliary switch branch is connected to a first signal line. In one scanning period, in M consecutive time stages, a signal from each shift register to the multiplexer includes effective voltage levels; the main switch branches in the control units are switched on sequentially, and output the scanning signal to the M scan lines sequentially.
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公开(公告)号：US20190362672A1
公开(公告)日：2019-11-28
申请号：US16199053
申请日：2018-11-23
Applicant: WUHAN TIANMA MICRO-ELECTRONICS CO., LTD.
Inventor： Ruili CUI , Chao PENG , Yongzhi WANG , Tao PENG
IPC: G09G3/3233 , G06K9/00 , H01L27/32
Abstract: A display panel and a display apparatus are provided. An exemplary display panel includes a display area having light-emitting areas and non-light-emitting areas and divided into a fingerprint identification area and a non-fingerprint identification area; an array layer including pixel driving circuits; a display layer disposed on a side of the array layer adjacent to a light-emitting surface of the display panel and including light-emitting devices; and a light-sensing device disposed in the fingerprint identification area and the non-light emitting area. A number of the light-emitting devices in an unit area in the fingerprint identification area is smaller than that in the unit area of the non-fingerprint identification area; and under a same gray scale driving signal, an absolute value of a difference N between a brightness of the fingerprint identification area and a brightness of the non-fingerprint identification area is smaller than or equal to 100 nit.
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公开(公告)号：US20190164954A1
公开(公告)日：2019-05-30
申请号：US15963338
申请日：2018-04-26
Applicant: WuHan TianMa Micro-Electronics Co., Ltd.
Inventor： Xuan YANG , Tao PENG , Yingjie CHEN
CPC classification number: H01L27/0292 , G09G2330/04 , H01L27/0255 , H01L27/0266 , H01L27/0296 , H01L27/124 , H01L27/1244 , H01L27/156 , H01L27/3276
Abstract: Provided are a display panel, a driving method, and a display device. The display panel comprises: pixel circuits arranged in rows and columns in a display area which comprises first and second display areas along a row direction, and an outer edge of the second display area extending stepwise along a column direction; data lines one-to-one corresponding to columns of the pixel circuit; signal line groups one-to-one corresponding to rows of the pixel circuits, each signal line group comprising a scan line and a light-emitting control signal line; and first electrostatic protection circuits one-to-one corresponding to data lines in the second display area, each first electrostatic protection circuit being connected to a scan line and a light-emitting control signal line in the same signal line group, for discharging static electricity on the data line to the scan line or the light-emitting control signal line.
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公开(公告)号：US20230141543A1
公开(公告)日：2023-05-11
申请号：US17677763
申请日：2022-02-22
Applicant: Wuhan Tianma Micro-Electronics Co., Ltd.
Inventor： Jiachang GU , Tao PENG
IPC: G09G3/3233 , G09G3/3266 , G11C19/28
CPC classification number: G09G3/3233 , G09G3/3266 , G11C19/287 , G09G2300/0408 , G09G2300/0852 , G09G2300/0819 , G09G2310/0286
Abstract: An array substrate, a display panel and a display device are provided. The array substrate has a display area and a non-display area surrounding the display area. The array substrate includes: pixel circuits arranged in the display area in an array along a first direction and a second direction; a first gate driving circuit in the non-display area including first shift register units; and a second gate driving circuit in the non-display area including a plurality of second shift register units in cascade connection. The first gate driving circuit and the second gate driving circuit are electrically connected to different transistors in the pixel circuits; and an orthographic projection of the first gate driving circuit on a plane of the array substrate and an orthographic projection of the second gate driving circuit on the plane of the array substrate at least partially overlap along the second direction.
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公开(公告)号：US20210132718A1
公开(公告)日：2021-05-06
申请号：US16837532
申请日：2020-04-01
Applicant: Wuhan Tianma Micro-Electronics Co., Ltd.
Abstract: The present disclosure provides a flexible circuit board. The flexible circuit board includes a substrate; a conductive layer, disposed on the substrate; and a cover layer, disposed on a side of the conductive layer facing away from the substrate. The flexible circuit board is provided with a through hole penetrating through the flexible circuit board in the thickness direction. The cover layer includes a hollowed-out region located at least at an edge of one side of the through hole. The conductive layer includes an electrostatic discharge section exposed in the hollowed-out region.
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Patent Agency Ranking
公开(公告)号：US20200006449A1
公开(公告)日：2020-01-02
申请号：US16243293
申请日：2019-01-09
Applicant: WuHan TianMa Micro-Electronics Co., Ltd.
Inventor： Chujie YU , Shanfu YUAN , Tao PENG , Ruiyuan ZHOU
Abstract: A display panel and a display device are provided. The display panel is divided into a display region and a non-display region, wherein the display panel includes: a first blocking wall arranged in the non-display region and surrounding the display region; a bending part; and an electrostatic protection unit arranged in a part of the non-display region corresponding to the bending part and located on a side of the first blocking wall facing away from the display region. By the arrangement of the electrostatic protection unit, problems such as breakdown of the transistors due to electrostatic accumulation caused by bending operation of the display panel, as well as encapsulation structure failure due to damage to the first blocking wall can be avoided.
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公开(公告)号：US20190393283A1
公开(公告)日：2019-12-26
申请号：US16151498
申请日：2018-10-04
Applicant: WuHan TianMa Micro-Electronics Co., Ltd.
Inventor： Xing LU , Yangzhao MA , Tao PENG , Yongzhi WANG , Min LI
Abstract: A display panel and a display device are provided. The display panel includes a fingerprint identification area, at least one support unit, and a pixel definition layer. The fingerprint identification area includes a light-transmitting area and a non-light-transmitting area. The support unit is disposed in the light-transmitting area and the non-light-transmitting area. The pixel definition layer includes a plurality of aperture areas each exposing at least one light-emitting unit. Each aperture area has a first neighboring side adjacent to a support unit having a second neighboring side disposed opposite to the first neighboring side. The second neighboring side has an effective length that is parallel to and directly facing the first neighboring side, and the effective length is smaller than a length of the first neighboring side; or, the support unit is disposed adjacent to the first neighboring side, which is a short side of the aperture area.
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公开(公告)号：US20190362667A1
公开(公告)日：2019-11-28
申请号：US16125819
申请日：2018-09-10
Applicant: WuHan TianMa Micro-Electronics Co., Ltd.
Inventor： Yangzhao MA , Tao PENG , Yongzhi WANG
Abstract: The present disclosure provides a display panel, a method for driving the display panel and a display device. The display panel includes a plurality of display sub-pixels and a plurality of brightness-enhancement sub-pixels arranged in a display area, some of which are located within a fingerprint identification region in the display area. The display sub-pixel includes first light emission component, first reset module connected to reset signal terminal, first control signal terminal and first light emission component, and first light emission control module connected to power signal terminal, data line, light emission control signal terminal, second control signal terminal, and first light emission component. The brightness-enhancement sub-pixel includes second light emission component and second light emission control module connected to third control signal terminal and second light emission component. The second light emission control module is connected to a respective one first light emission component in one fingerprint identification region.
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公开(公告)号：US20190157375A1
公开(公告)日：2019-05-23
申请号：US16255821
申请日：2019-01-24
Applicant: WUHAN TIANMA MICRO-ELECTRONICS CO., LTD.
Inventor： Yujiao LIANG , Mengmeng ZHANG , Di ZHU , Tao PENG , Yue LI , Yana GAO , Xingyao ZHOU
Abstract: A display panel is provided having a transparent region, a display area surrounding the transparent region, and a non-display area surrounding the display area, and the display panel includes: at least one binding pin; at least one signal line only located within the display area and not located within the transparent region; at least one connection line located within the non-display region; and glass cement located within the non-display region. The signal lines include a first signal line and a second signal line, and the first signal line and the at least one binding pin are respectively located at two sides of the transparent region; the first signal line is electrically connected to the at least one connection line; and at least a part of the at least one connection line overlaps with the glass cement. The display panel is used for image display.
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公开(公告)号：US20190036073A1
公开(公告)日：2019-01-31
申请号：US16147580
申请日：2018-09-29
Applicant: WUHAN TIANMA MICRO-ELECTRONICS CO., LTD.
Inventor： Chujie YU , Jiazhu ZHU , Shanfu YUAN , Tao PENG , Ruiyuan ZHOU
Abstract: An OLED panel and an OLED device are provided. The OLED panel includes a display area and a non-display area around the display area; a substrate, a driving device layer and a light emitting device layer arranged in the display area, and the driving device layer includes multiple thin film transistors, the light emitting device layer includes multiple organic light emitting diodes, and an encapsulation layer covering the light emitting device layer. The non-display area includes an electrostatic discharge portion, the electrostatic discharge portion is made of a transparent conductive thin film and is located on a side of the encapsulation layer facing away from the substrate. The non-display area includes at least one blocking portion, the blocking portion is arranged around the display area, and is located between the substrate and the encapsulation layer.
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