Patents Assigned to TIANMA MICRO-ELECTRONICS CO., LTD
  • Patent number: 10810397
    Abstract: Provided are a display panel and a display device. The display panel includes a display assembly, the display assembly includes an array substrate and a plurality of pixel units disposed on the array substrate; a fingerprint recognition assembly disposed on one side of the array substrate facing away from the plurality of pixel units, the fingerprint recognition assembly includes a first substrate and at least one fingerprint recognition unit disposed on the first substrate; and the array substrate includes a plurality of transparent regions and a plurality of non-transparent regions, the array substrate further includes a plurality of metal wires, a ratio of a line width of a portion of at least one of the metal wires disposed in at least one respective transparent region to a line width of a portion of the at least of the metal wires disposed in a respective non-transparent region is less than 1.
    Type: Grant
    Filed: September 13, 2018
    Date of Patent: October 20, 2020
    Assignee: Shanghai Tianma Micro-Electronics Co., Ltd.
    Inventors: Yang Zeng, Lihua Wang, Haochi Yu, Qing Zhang, Lingxiao Du
  • Patent number: 10810945
    Abstract: A display panel and a display device are provided. The display panel includes a display region; a non-display region; and at least one notch. The display region includes a first edge, a plurality of data lines, a plurality of scanning lines, and a plurality of light-emitting control lines. The plurality of data lines and the first edge extend along a column direction. The first edge is recessed toward the display region to form the at least one notch. The plurality of light-emitting control lines includes first light-emitting control lines and second light-emitting control lines. The non-display region includes a plurality of first light-emitting controllers in a cascade configuration disposed at one side of the first light-emitting control lines away from the at least one notch. An output terminal of each of the plurality of first light-emitting controllers is electrically connected to at least one of the first light-emitting control lines.
    Type: Grant
    Filed: December 19, 2018
    Date of Patent: October 20, 2020
    Assignee: WUHAN TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Bo Li, Zhaokeng Cao, Tianqing Hu
  • Patent number: 10809848
    Abstract: A touch-control display panel, driving method, and a touch-control display device are provided. The touch-control display panel includes: a display area including a plurality of pixels; a non-display area; a first substrate; and a second substrate opposing the first substrate. A portion of the first substrate in the first region includes a pixel electrode layer and a first electrode layer. The first electrode layer is located on a side of the pixel electrode layer away from the second substrate and includes a plurality of first electrodes. The pixel electrode layer includes a plurality of pixel electrodes. A touch-control electrode layer is located on a side of the second substrate toward the first substrate and includes a plurality of touch-control electrodes. Along a direction perpendicular to the touch-control display panel, each touch-control electrode of the plurality of the touch-control electrode overlaps with and connects with one or more first electrode of the plurality of the first electrodes.
    Type: Grant
    Filed: October 22, 2018
    Date of Patent: October 20, 2020
    Assignee: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Xiangjian Kong, Feng Qin, Jine Liu, Lei Wang, Chunmei Gao, Qiongqin Mao
  • Patent number: 10802366
    Abstract: Disclosed are a display panel and a display device. The display panel includes a plurality of first signal lines and a plurality of second signal lines extending to a peripheral special shaped area, and a first multiplexer, a second multiplexer and a plurality of main lines arranged in the peripheral special shaped area. The plurality of first signal lines and the plurality of second signal lines are connected in the one-to-one correspondence by the first multiplexer, the plurality of main lines and the second multiplexer in the peripheral special shaped area. Different first signal lines and corresponding second signal lines connected to the same main line may be turned on in sequence according to the set timings by controlling the switch timings of the switch elements of the first multiplexer and the second multiplexer.
    Type: Grant
    Filed: January 7, 2018
    Date of Patent: October 13, 2020
    Assignee: XIAMEN TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Huangyao Wu, Tianyuan Chen, Qian Yang, Boping Shen
  • Patent number: 10803797
    Abstract: A driving method for a display panel, a driving chip, and a display device are provided. The method includes: pre-storing Gamma curves corresponding to different display modes of the display panel; monitoring a display mode of the display panel when an image is displayed by the display panel, and acquiring a negative power voltage signal corresponding to the display mode; acquiring a Gamma curve corresponding to the display mode from the pre-stored Gamma curves based on the monitored display mode; outputting the negative power voltage signal to the display panel; and correcting the image displayed by the display panel according to the acquired Gamma curve. The above driving method is configured to drive the image displayed by the display panel.
    Type: Grant
    Filed: June 18, 2019
    Date of Patent: October 13, 2020
    Assignee: WUHAN TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Liyuan Liu, Zhiyong Xiong, Xia Li
  • Patent number: 10803284
    Abstract: Provided are a display panel and a display device. The display panel includes a display assembly, the display assembly includes an array substrate and a plurality of pixel units disposed on the array substrate; and a fingerprint recognition assembly, the fingerprint recognition assembly disposed on one side of the array substrate facing away from the plurality of pixel units, the fingerprint recognition assembly includes a first substrate and at least one fingerprint recognition unit disposed on the first substrate, the fingerprint recognition unit includes a photosensitive region. The array substrate includes a plurality of transparent regions and a plurality of non-transparent regions. Along a direction perpendicular to the array substrate, at least a portion of the plurality of transparent regions in the array substrate is covered by a photosensitive region of any one of the at least one fingerprint recognition units.
    Type: Grant
    Filed: September 13, 2018
    Date of Patent: October 13, 2020
    Assignee: Shanghai Tianma Micro-Electronics Co., Ltd.
    Inventors: Yang Zeng, Lihua Wang, Haochi Yu, Qing Zhang, Lingxiao Du
  • Patent number: 10802348
    Abstract: An array substrate, display panel and display device. The array substrate includes: a source-drain metal layer, a pixel electrode layer, an insulation layer located between the source-drain metal layer and the pixel electrode layer, and a plurality of sub-pixels distributed in an array. Each sub-pixel corresponds to a drain electrode contained in source-drain metal layer, a pixel electrode contained in pixel electrode layer, and a drain through-hole defined in insulation layer. The pixel electrode is connected to the drain electrode via the drain through-hole. For any one row of the array, in a column direction, each drain electrode through hole is located at the same side of the sub-pixel 10 corresponding to the drain electrode through hole. The sub-pixels includes two adjacent support sub-pixels in a row direction, and the two drain through-holes respectively corresponding to the two adjacent support sub-pixels are unaligned in the column direction.
    Type: Grant
    Filed: February 2, 2018
    Date of Patent: October 13, 2020
    Assignee: WUHAN TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Qian Yang, Huanda Wu, Lei Zhang, Xiufeng Zhou, Boping Shen, Zhaokeng Cao, Huangyao Wu
  • Patent number: 10796657
    Abstract: Provided is a conversion circuit, including a switch signal input terminal; first and second input terminals; and first and second output terminals. The switch signal input terminal receives a switch control signal. The first and second input terminals receive first and second input signals, and polarities of first and second input signals are different and alternately switch. Depending on the switch control signal, the first input terminal is in communication with the first output terminal and the second input terminal is in communication with the second output terminal, or the second input terminal is in communication with the first output terminal and the first input terminal is in communication with the second output terminal, so that a first output signal outputted from first output terminal has a consistent polarity at any time and a second output signal outputted from the second output terminal has a consistent polarity at any time.
    Type: Grant
    Filed: November 4, 2019
    Date of Patent: October 6, 2020
    Assignee: WuHan TianMa Micro-electronics CO., LTD
    Inventors: Chuan Liu, Junjie Fu, Zhihua Yu, Tianlong Xiang
  • Patent number: 10796620
    Abstract: A display panel and a display device are provided. The display panel includes multiple pixel units. In each of the pixel units, the area of an opening region of at least one sub-pixel is different from the area of an opening region of other sub-pixels. There is an adjustment capacitance between the drain of the thin film transistor and/or the first electrode in each sub-pixel and the scan line corresponding to the sub-pixel, and the sub-pixel having a smaller area of the opening region corresponds to a smaller value of the adjustment capacitance. By adjusting the value of the adjustment capacitance corresponding to the sub-pixels with different areas of opening regions, the optimal Vcom of all the sub-pixels is the same, so that all the sub-pixels operate under the same optimal Vcom.
    Type: Grant
    Filed: December 17, 2018
    Date of Patent: October 6, 2020
    Assignee: XIAMEN TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Huangyao Wu, Donghua Li, Xiufeng Zhou, Poping Shen
  • Patent number: 10795075
    Abstract: Backlight module and display device are provided. The backlight module includes an accommodation frame including a base and an extending part, a first light guide plate, a second light guide plate; a first reflector, a first light source, and a second light source. The first light guide plate and the second light guide plate are disposed sequentially along a direction perpendicular to a plane of the base in an accommodation space formed by the base and the extending part, and are controlled independently. The first light source has a wavelength ?1 of 780 nm<?1?1310 nm, and the second light source has a wavelength ?2 of 380 nm??2?780 nm. A reflectivity of the first reflector on light emitted by the second light source is larger than a reflectivity of the first reflector on light emitted by the first light source.
    Type: Grant
    Filed: March 7, 2019
    Date of Patent: October 6, 2020
    Assignee: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Feng Qin, Wanchun Du, Lu Yao
  • Patent number: 10796129
    Abstract: The present disclosure provides a display panel and a display device. The display panel includes a base substrate, a control circuit layer, formed on the base substrate and the control circuit layer includes a plurality of pixel circuits and a plurality of fingerprint identification circuits with interval dispose; a planarization layer, formed on the control circuit layer; a plurality of fingerprint signal acquisition modules, formed between the control circuit layer and the planarization layer, wherein each of the plurality of fingerprint signal acquisition modules is electrically connected to a respective one of the plurality of fingerprint identification circuits; and a plurality of light-emitting units, formed on the planarization layer, and each of the plurality of light-emitting units is electrically connected to a respective one of the plurality of pixel circuits.
    Type: Grant
    Filed: December 28, 2018
    Date of Patent: October 6, 2020
    Assignee: Wuhan Tianma Micro-Electronics Co., Ltd.
    Inventors: Yangzhao Ma, Tao Peng, Yongzhi Wang
  • Patent number: 10795063
    Abstract: A transflective and non-rectangular display panel and a display device are provided. The non-rectangular display panel includes a display region, a non-display region surrounding the display region, multiple pixels including multiple sub pixels, and a light shielding layer. There is a first boundary between the display region and the non-display region, and a region surrounded by the first boundary and the display region is non-rectangular. Each of the multiple pixels includes at least three of the multiple sub pixels. An open region of each of the multiple sub pixels has a transmissive region and a reflective region. The multiple pixels include normal pixels in the display region and abnormal pixels passed through by the first boundary. In each of the abnormal pixels, each of the transmissive region and the reflective region is partially blocked by the light shielding layer and partially emits light therefrom.
    Type: Grant
    Filed: October 30, 2018
    Date of Patent: October 6, 2020
    Assignee: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Baiquan Lin, Kerui Xi, Ming Xie, Huanxi Zhang, Min Zhang
  • Patent number: 10795199
    Abstract: A liquid-crystal display panel and a liquid-crystal display device are provided. The display panel includes a display region and a non-display region surrounding the display region. The display panel also includes a first base including a first substrate, and a plurality of gate lines, a plurality of data lines, and a plurality of sub-pixels disposed in the display region. Moreover, the display panel includes a second base including a second substrate, and a liquid-crystal layer disposed between the first base and the second base. In addition, the display panel includes a heating power terminal disposed in the non-display region and including a first heating power terminal for outputting a high voltage and a second heating power terminal for outputting a low voltage. Further, the display panel includes at least one heating electrode disposed between the first substrate and the second substrate and used to heat the liquid-crystal layer.
    Type: Grant
    Filed: December 4, 2018
    Date of Patent: October 6, 2020
    Assignees: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD., CHENGDU TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Jian Zhao, Ling Shen, Feng Qin, Zhidan Su
  • Publication number: 20200312831
    Abstract: Provided are a display panel and a display device. The display panel includes a substrate and a plurality of pixel units disposed on the substrate. Each pixel unit includes a driving circuit and a light-emitting component, the driving circuit is disposed between the substrate and the light-emitting component, and the driving circuit is used for driving a corresponding light-emitting component to emit light. At least one light-emitting component is a micro Light Emitting Diode (LED). For a pixel unit in which the light-emitting component is the micro LED, the driving circuit at least includes a first thin film transistor, and a source and a drain of the first thin film transistor are disposed in a source-drain layer. A first electrode of the micro LED is electrically connected to a source or a drain of a corresponding first thin film transistor.
    Type: Application
    Filed: December 27, 2019
    Publication date: October 1, 2020
    Applicant: Shanghai Tianma Micro-Electronics Co., Ltd.
    Inventors: Zeshang HE, Shaorong YU
  • Publication number: 20200310180
    Abstract: Provided are a display panel, a display device and a manufacturing method of a display panel. The display panel includes: a display region including a first display region and a second display region. In the first display region, a surface of a first substrate facing towards a second substrate is provided with a plurality of organic light emitting elements. In the second display region, a surface of the second substrate facing towards the first substrate is provided with a plurality of Micro Light Emitting Diodes (LEDs) and a plurality of second traces. An encapsulation frame is further configured between the first substrate and the second substrate, and the encapsulation frame is disposed in a frame region and surrounds the display region. In the frame region, the surface of the first substrate facing towards the second substrate is provided with a plurality of first traces.
    Type: Application
    Filed: December 18, 2019
    Publication date: October 1, 2020
    Applicant: Shanghai Tianma Micro-Electronics Co., Ltd.
    Inventor: Jujian FU
  • Publication number: 20200310575
    Abstract: Disclosed are a display panel and a display device. The display panel includes a display region; a non-display region around the display region; a touch layer including first touch electrodes and second touch electrodes, the first touch electrodes extend along a first direction and are arranged along a second direction, the second touch electrodes extend along the second direction and are arranged along the first direction, the first direction intersects with the second direction; a touch chip, each first touch electrode is connected to the touch chip through a first touch lead, each second touch electrode is connected to the touch chip through a second touch lead; an electrostatic protective layer disposed around the display region; an encapsulation element disposed around the display region. In a direction perpendicular to the display panel, the electrostatic protective layer covers at least the first touch lead and covers the encapsulation element.
    Type: Application
    Filed: October 28, 2019
    Publication date: October 1, 2020
    Applicant: Wuhan Tianma Micro-Electronics Co., Ltd.
    Inventors: Pei HE, Tao Peng, Shanfu Yuan
  • Publication number: 20200312925
    Abstract: Provided are a display panel, a display device and a method for manufacturing a display panel. The display panel includes a display area including a first display area and a second display area. The second display area is multiplexed as a sensor reserved area. The second display area includes a light transmitting area and a light emitting area. The first display area is provided with a plurality of organic light emitting units. The light emitting area of the second display area is provided with a plurality of Micro LEDs. The second display area is further provided with a wall structures disposed in gaps between the plurality of Micro LEDs and the plurality of organic light emitting units and gaps between adjacent ones of the plurality of Micro LEDs.
    Type: Application
    Filed: December 27, 2019
    Publication date: October 1, 2020
    Applicant: Shanghai Tianma Micro-Electronics Co., Ltd.
    Inventors: Xingda Xia, Tianyi Wu, Liang Xing, Yinghua Mo, Shaorong Yu
  • Publication number: 20200312919
    Abstract: An organic light-emitting display panel and a display device are provided. The organic light-emitting display panel includes: a driving device film layer, an anode layer, a pixel definition layer, an organic light-emitting layer, a cathode layer, an encapsulation film layer, and a touch film layer that are sequentially stacked. The encapsulation film layer includes an organic encapsulation layer. The organic light-emitting display panel has a specially-shaped border area and a straight-line border area. In the cathode connection area, in a direction perpendicular to the organic light-emitting display panel, a top end of the cathode layer is higher in the specially-shaped border area than in the straight-line border area, and the top end of the cathode layer is an end of the cathode layer furthest away from the driving device film layer.
    Type: Application
    Filed: March 27, 2020
    Publication date: October 1, 2020
    Applicant: WuHan TianMa Micro-electronics CO.,LTD
    Inventors: Guofeng Zhang, Zhaokeng Cao, Linshan Guo, Tianqing Hu
  • Publication number: 20200312237
    Abstract: A display panel includes an array substrate, an organic light-emitting layer, a thin film encapsulation layer, multiple micro LEDs and multiple drive signal lines. The organic light-emitting layer is disposed on a side of the array substrate and includes organic light-emitting elements. The thin film encapsulation layer is disposed on a side of the organic light-emitting layer facing away from the array substrate, covers the organic light-emitting layer, and includes a plurality of thin film encapsulation sub-layers sequentially stacked. The micro LEDs are disposed on a side of at least one of the plurality of thin film encapsulation sub-layers facing away from the organic light-emitting layer. The drive signal lines are electrically connected to the micro LEDs and configured to transmit a drive signal to the micro LEDs, and the drive signal lines are disposed in contact with at least one of the thin film encapsulation sub-layers.
    Type: Application
    Filed: January 6, 2020
    Publication date: October 1, 2020
    Applicant: Shanghai Tianma Micro-Electronics Co., Ltd.
    Inventors: Zeshang HE, Shaorong YU
  • Patent number: 10788909
    Abstract: The present disclosure provides a display panel and display device. Display panel includes: a plurality of first sub-pixel groups and a plurality of second sub-pixel groups, the first sub-pixel group each including a plurality of first sub-pixels, the second sub-pixel groups each including a plurality of second sub-pixels, a contribution value of the first sub-pixels to the illumination brightness of the display panel being greater than that of the second sub-pixels to the illumination brightness of the display panel; a first data line connected to the first sub-pixels in the first sub-pixel group; a second data line connected to the second sub-pixels in the second sub-pixel group; a plurality of touch electrodes and a plurality of touch signal lines, a distance from the touch signal line to its closest second data line being smaller than a distance from the touch signal line to its closest first data line.
    Type: Grant
    Filed: May 18, 2018
    Date of Patent: September 29, 2020
    Assignee: XIAMEN TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Huangyao Wu, Hongbo Zhou, Xiufeng Zhou, Boping Shen