Patents Assigned to Shanghai Tianma AM-OLED Co., Ltd
  • Publication number: 20210122240
    Abstract: Provided are a vehicle instrument, a display method, and a vehicle speed monitoring display system. The vehicle instrument includes a display panel including an indicator structure used together with a scale on the dial for reading; a dial exposed by the display panel; and an actuating mechanism connected to the display panel and configured to control a movement of the display panel relative to the dial. The vehicle instrument has a first state, in which the display panel and the dial are in a first positional relationship, the display panel displays a first pattern region, and the first pattern region and the dial are in a second positional relationship; and a second state, in which the display panel and the dial are in a third positional relationship, the display panel displays the first pattern region, and the first pattern region and the dial are in the second positional relationship.
    Type: Application
    Filed: December 27, 2019
    Publication date: April 29, 2021
    Applicant: Shanghai Tianma AM-OLED Co., Ltd.
    Inventors: Shuang CHENG, Jinghua NIU, Mingzhi DAI, Yinhe LIU, Yibin XING, Ruixuan DANG, Tiezhen GAO
  • Patent number: 10991315
    Abstract: The present disclosure provides a display panel and display device. The display panel includes: data lines disposed in a display area; a bonding terminal disposed in a non-display area surrounding the display area; fan-out lines; and demuxes disposed between the display area and the bonding terminal; each of the demuxes comprises at least two switch transistors; each switch transistor in one demux has a first electrode electrically connected to a corresponding data line of the data lines through a first connection line, a second electrode connected to the bonding terminal through one of the fan-out lines corresponding to the one demux, and a gate electrode electrically connected to a first clock signal line corresponding to the switch transistor; each fan-out line of the display panel overlaps the first clock signal line for an equal number of times.
    Type: Grant
    Filed: May 8, 2019
    Date of Patent: April 27, 2021
    Assignee: Shanghai Tianma AM-OLED Co., Ltd.
    Inventors: Yue Li, Xingyao Zhou, Kaihong Huang
  • Patent number: 10991767
    Abstract: The present disclosure provides a display panel having a first display region and second display region, and a display apparatus. The display panel includes a sub-pixel array that includes a plurality of sub-pixels in an array and distributed in the first display region and the second display region. A non-light-emitting region in the second display region has a greater light transmittance than a non-light-emitting region in the first display region, a distribution density of sub-pixels of the plurality of sub-pixels in the second display region is smaller than a distribution density of sub-pixels of the plurality of sub-pixels in the first display region, and among sub-pixels emitting a same color, a light-emitting area of a sub-pixel in the second display region is larger than a light-emitting area of a sub-pixel in the first display region.
    Type: Grant
    Filed: May 23, 2019
    Date of Patent: April 27, 2021
    Assignee: SHANGHAI TIANMA AM-OLED CO., LTD.
    Inventors: Yu Xin, Kang Yang, Lijing Han, Xian Chen
  • Patent number: 10985224
    Abstract: Provided is a display panel having a display area including a first display area and a second display area. The display panel includes: a substrate; an array layer; a display layer including light-emitting elements each including an anode, a light-emitting layer and a cathode that are sequentially stacked; the light-emitting elements comprises first light-emitting elements and second light-emitting elements; a state switching layer located at a side of the display layer facing away from a display surface of the display panel and located in the first display area, wherein in a direction perpendicular to the display panel, the state switching layer overlaps the first light-emitting elements; the state switching layer is switchable between a first state and a second state, and the state switching layer has a smaller light transmittance in the first state than in the second state; and an optical element.
    Type: Grant
    Filed: December 27, 2019
    Date of Patent: April 20, 2021
    Assignee: Shanghai Tianma AM-OLED Co., Ltd.
    Inventors: Yuhao Liu, Mingzhi Dai, Jinghua Niu
  • Patent number: 10971084
    Abstract: Disclosed are a display device and a method control of the display. The method includes: selecting an initial duty and a target initial brightness which generate a color shift is less than or equal to a preset color shift value; calculating a corresponding initial grayscale according to the initial duty and the target initial brightness; searching for an initial data voltage corresponding to the initial grayscale according to a gamma curve, where the initial data voltage is associated with the initial duty and the target initial brightness; and performing a brightness adjustment, where the brightness adjustment comprises either a segmented or a mixed pulse width modulation dimming technique and power modulation dimming technique, where the brightness adjustment is performed in a brightness interval from the target initial brightness to maximum brightness.
    Type: Grant
    Filed: April 3, 2020
    Date of Patent: April 6, 2021
    Assignee: Shanghai Tianma AM-OLED Co., Ltd.
    Inventors: Qing Bian, Bojia Lv, Xiangzi Kong
  • Patent number: 10971556
    Abstract: An organic light-emitting display panel includes: pixel rows arranged sequentially along a first direction and high voltage signal lines extending along the first direction. Each pixel row includes pixel sets arranged along a second direction which intersects the first direction. Each pixel set includes first and second pixels arranged along the second direction. The first pixel includes first to third sub-pixels emitting different colors. The second pixel includes fourth to sixth sub-pixels emitting different colors. Each sub-pixel includes a pixel driving circuit and an organic light-emitting diode. The high voltage signal lines are electrically connected to the sub-pixels, so as to provide voltage signals to anodes of the organic light-emitting diodes for driving the sub-pixels to emit light. For the same pixel set, the third and fourth sub-pixels have the same color, and are electrically connected to the same third high voltage signal line.
    Type: Grant
    Filed: March 27, 2020
    Date of Patent: April 6, 2021
    Assignee: SHANGHAI TIANMA AM-OLED CO., LTD.
    Inventors: Yueting Fang, Yue Li, Huiping Chai, Lijing Han
  • Patent number: 10964268
    Abstract: The present disclosure provides a shift register, a driving method thereof, a scan driving circuit and a display device. The shift register includes: a first node control module configured to control level at the first node based on an input signal and a second clock signal; a second node control module configured to control level at a second node based on the input signal, the first clock signal, the second clock signal, a low level signal and a high level signal; and an output control module configured to control the output terminal to output high level or low level based on level at the first node, level at the second node and the second clock signal. The second node can be provided with a relatively low level, which is conductive to maintaining a normal output of the shift register.
    Type: Grant
    Filed: November 28, 2018
    Date of Patent: March 30, 2021
    Assignee: SHANGHAI TIANMA AM-OLED CO., LTD.
    Inventors: Renyuan Zhu, Yue Li, Dongxu Xiang, Yana Gao, Xingyao Zhou
  • Patent number: 10964906
    Abstract: Provided are an organic light-emitting display panel and an organic light-emitting display apparatus. The organic light-emitting display panel includes an array base substrate including a plurality of driving elements, and includes a plurality of organic light-emitting devices. Each of the plurality of organic light-emitting devices is corresponding to a respective one of the plurality of driving elements, and the each of the plurality of organic light-emitting devices includes an anode and a cathode, a cathode, an organic luminous layer, an electron transport layer, and a transition layer. The organic luminous layer is disposed between the anode and the cathode, the electron transport layer is disposed between the luminous layer and the cathode, and the transition layer is disposed between the cathode and the electron transport layer, and the transition layer includes an organic material.
    Type: Grant
    Filed: January 10, 2019
    Date of Patent: March 30, 2021
    Assignee: SHANGHAI TIANMA AM-OLED CO., LTD.
    Inventors: Weili Qiao, Jinghua Niu, Xiaoqian Sun
  • Publication number: 20210091147
    Abstract: Provided is a display panel having a display area including a first display area and a second display area. The display panel includes: a substrate; an array layer; a display layer including light-emitting elements each including an anode, a light-emitting layer and a cathode that are sequentially stacked; the light-emitting elements comprises first light-emitting elements and second light-emitting elements; a state switching layer located at a side of the display layer facing away from a display surface of the display panel and located in the first display area, wherein in a direction perpendicular to the display panel, the state switching layer overlaps the first light-emitting elements; the state switching layer is switchable between a first state and a second state, and the state switching layer has a smaller light transmittance in the first state than in the second state; and an optical element.
    Type: Application
    Filed: December 27, 2019
    Publication date: March 25, 2021
    Applicant: Shanghai Tianma AM-OLED Co., Ltd.
    Inventors: Yuhao LIU, Mingzhi DAI, Jinghua NIU
  • Publication number: 20210082339
    Abstract: Provided are a display panel, a driving method, and a display device. The display panel includes: a gate driving circuit, a pixel driving circuit, and a light-emitting component. The pixel driving circuit includes a driving transistor, a data writing module, a threshold compensation module, and a light-emitting control module. A transistor in the threshold compensation module is a P-type transistor and a transistor in the light-emitting control module is an N-type transistor, or the transistor in the threshold compensation module is an N-type transistor and the transistor in the light-emitting control module is P-type transistor. A control terminal of the threshold compensation module and a control terminal of the light-emitting control module are electrically connected to a same gate driving circuit.
    Type: Application
    Filed: November 24, 2020
    Publication date: March 18, 2021
    Applicant: Shanghai Tianma AM-OLED Co., Ltd.
    Inventors: Mengmeng ZHANG, Jieliang LI, Xingyao ZHOU, Yue LI, Lilian KUANG
  • Patent number: 10950321
    Abstract: Disclosed are a shift register, gate electrode driving circuit, display panel and display device. The shift register includes a second output module and a coupling module, the coupling module having two ends electrically connected to a third node and a second signal output end respectively. In a second phase, a potential at a fourth node is an enable level, the second output module transfers a high-level signal at a first power source signal input end to a second output end; in a third phase, a potential at the third node is the enable level, the second output module transfers a low-level signal at a second power source signal input end to the second output end; the low-level signal at the second output end is coupled to the third node through a coupling function of the coupling module, the potential at the third node is then lower in the third phase than in the second phase.
    Type: Grant
    Filed: April 17, 2020
    Date of Patent: March 16, 2021
    Assignee: SHANGHAI TIANMA AM-OLED CO., LTD.
    Inventors: Yue Li, Xingyao Zhou
  • Patent number: 10950796
    Abstract: Provided are a light-emitting element and a display device containing the light-emitting element. The light-emitting element comprises an anode, a cathode opposite to the anode, and a plurality of organic layers placed between the anode and the cathode; at least three of the plurality of organic layers each independently contain a compound having a spirobifluorene structure; or at least two of the plurality of organic layers each contain the compound having a spirobifluorene structure and together contain at least three types of the compound having a spirobifluorene structure. By providing the organic layers with the compound having a spirobifluorene structure, the HOMO or LUMO energy level difference for hole or electron transport between different organic layers can be reduced due to the spirobifluorene compounds having the same main ring structure, which facilitates injection of electrons and/or holes, improving the luminous efficiency and lowering the turn on voltage.
    Type: Grant
    Filed: February 8, 2018
    Date of Patent: March 16, 2021
    Assignee: SHANGHAI TIANMA AM-OLED CO., LTD.
    Inventors: Ying Liu, Xiangcheng Wang, Jinghua Niu, Peng Shu
  • Patent number: 10942591
    Abstract: Provided is a touch display panel having a first touch display region and including: first touch electrodes arranged in a plurality of columns in the first touch display region, and extending in a first direction and arranged in a second direction, each first touch electrode including a plurality of first electrode blocks electrically connected to each other, and the first direction intersecting the second direction; and second touch electrodes arranged in a plurality of rows in the first touch display region, and extending in the second direction and arranged in the first direction, each second touch electrode including a plurality of second electrode blocks electrically connected to each other. The plurality of first electrode blocks and the plurality of second electrode blocks are alternately arranged in the first direction.
    Type: Grant
    Filed: September 18, 2019
    Date of Patent: March 9, 2021
    Assignee: SHANGHAI TIANMA AM-OLED CO., LTD.
    Inventors: Qingxia Wang, Kaihong Huang
  • Patent number: 10943533
    Abstract: A method for driving a display panel, a driving chip and a display device are provided to ameliorate image retention and improve the display performance. The method includes: monitoring a static pattern in a first display image and defining an area where the static pattern is located as a first area when a display brightness value of the area and a display brightness value of an area where a background pattern thereof is located satisfy a first preset condition; and controlling the static pattern to move during displaying of the first display image, or adjusting grayscale values of sub-pixels in a second area during displaying of a second display image, to which the first display image jumps, the second area being an area, corresponding to the first area in the second display image and having a display brightness value lower than a display brightness value of the first area.
    Type: Grant
    Filed: May 23, 2019
    Date of Patent: March 9, 2021
    Assignee: SHANGHAI TIANMA AM-OLED CO., LTD.
    Inventors: Liyuan Liu, Zhiyong Xiong, Cuicui Zhang, Xue Wang, Ping An
  • Publication number: 20210063784
    Abstract: Provided are a double-sided display panel and display device. The double-sided display panel includes a light-emitting module, a first conversion panel and a second conversion panel, where the light-emitting module is placed between the first conversion panel and the second conversion panel, and the light-emitting module may provide light sources for the first conversion panel and the second conversion panel to cause the first conversion panel and/or the second conversion panel to display an image.
    Type: Application
    Filed: December 20, 2019
    Publication date: March 4, 2021
    Applicant: Shanghai Tianma AM-OLED Co., Ltd.
    Inventors: Xue WANG, Zhiyong XIONG, Liujing FAN, Ping AN
  • Publication number: 20210066650
    Abstract: The present disclosure provides a display panel including: a substrate; an array layer located on the substrate and including a first inorganic insulating layer, and the first inorganic insulating layer including a first recess in the non-display area; a light-emitting function layer located on the array layer; a thin film encapsulation layer on the light-emitting function layer; and an organic auxiliary layer filled in the first recess. The thin film encapsulation layer includes at least one inorganic encapsulation layer covering the display area and extending to contact and cover the organic auxiliary layer in the first recess; and the at least one inorganic encapsulation layer includes a first opening located on the organic auxiliary layer in the recess. The present disclosure further provides a method of manufacturing the display panel and a display apparatus including the display panel.
    Type: Application
    Filed: December 16, 2019
    Publication date: March 4, 2021
    Applicant: Shanghai Tianma AM-OLED Co.,Ltd.
    Inventors: Quanpeng YU, Zhe LI
  • Publication number: 20210066559
    Abstract: The present disclosure provides a display panel and a fabricating method thereof. The display panel includes a substrate and a plurality of mutually insulated binding pads disposed on the substrate. Each binding pad includes an upper surface, a lower surface and a side surface. The upper surface and the lower surface are both parallel to a plane of the substrate, the side surface is located between the upper surface and the lower surface, and the side surface connects the upper surface with the lower surface. A first insulating layer is disposed on the side surface of the binding pad, the first insulating layer is in contact with the side surface of the binding pad and is made of an inorganic material. With such a configuration, the side surface of the binding pad will not be damaged by an etching process subsequent to fabrication of the binding pads.
    Type: Application
    Filed: December 30, 2019
    Publication date: March 4, 2021
    Applicant: Shanghai Tianma AM-OLED Co.,Ltd.
    Inventor: Peng ZHANG
  • Patent number: 10936842
    Abstract: Provided are a display panel and a display device. The display panel includes a display assembly and a fingerprint recognition assembly. The display assembly includes a base substrate, a plurality of pixel units disposed on one side of the base substrate and a first scanning line extending along a first direction, each of the plurality of pixel units includes a pixel driving unit and a light-emitting unit disposed on one side of the pixel driving unit facing away from the base substrate, and the light-emitting unit includes a metal anode. The fingerprint recognition assembly is configured to perform fingerprint recognition according to light reflected by a touch object to a fingerprint recognition unit. A vertical projection of the first scanning line on the base substrate and a vertical projection of the metal anode on the base substrate have an overlapping area.
    Type: Grant
    Filed: December 21, 2018
    Date of Patent: March 2, 2021
    Assignee: Shanghai Tianma AM-OLED Co., Ltd.
    Inventors: Yana Gao, Xingyao Zhou, Yue Li, Dongxu Xiang, Xinzhao Liu
  • Patent number: 10928952
    Abstract: A touch display panel including first electrodes extending in a first direction and arranged in a second direction, and second electrodes extending in a second direction and arranged in the first direction; each first electrode includes first electrode blocks and first connecting electrodes arranged at intervals in the first direction; in the first electrode, two adjacent first electrode blocks are electrically connected by a first connecting electrode; each second electrode includes second electrode blocks and bridge structures arranged at intervals in the second direction; in each second electrode, two adjacent second electrode blocks are electrically connected by a bridge structure; the second electrode blocks are arranged in a different layer from the bridge structures; the bridge structures intersect the first connecting electrodes, and the dummy electrode is located between each second electrode block and the first connecting electrode adjacent thereto and intersects with the bridge structures.
    Type: Grant
    Filed: July 2, 2019
    Date of Patent: February 23, 2021
    Assignee: SHANGHAI TIANMA AM-OLED CO., LTD.
    Inventors: Qingxia Wang, Min Chen, Kaihong Huang
  • Patent number: 10916737
    Abstract: The present invention provides a mask, a display panel, a method for manufacturing a display panel, and a display device. The display panel has a hollow region and a display region surrounding the hollow region. The display panel includes a plurality of organic light-emitting devices arranged only in the display region. Each of the plurality of organic light-emitting devices includes an anode layer, a cathode layer, a light-emitting layer and a functional layer. The functional layer includes a plurality of uneven portions.
    Type: Grant
    Filed: February 3, 2019
    Date of Patent: February 9, 2021
    Assignee: SHANGHAI TIANMA AM-OLED CO., LTD.
    Inventors: Liyuan Liu, Zhiyong Xiong, Di Zhu, Yawei Zhong