Patents Assigned to Shanghai Tianma AM-OLED Co., Ltd
  • Patent number: 10418597
    Abstract: A display panel, a display device, and a fabrication method for the display panel are provided. The display panel comprises an array substrate comprising a display region, wherein the display region comprises a plurality of data lines, a plurality of scanning lines, and a plurality of first pixel regions defined by the plurality of data lines and the plurality of scanning lines intersecting the plurality of data lines. At least two data lines have different lengths, at least one second pixel region is disposed between a first pixel region corresponding to a data line and an edge of the display region corresponding to the data line. The at least one second pixel region at least comprises a first metal line segment and a second metal line segment arranged in parallel, and the first metal line segment is disposed on an extension line of the data line.
    Type: Grant
    Filed: July 28, 2017
    Date of Patent: September 17, 2019
    Assignees: Shanghai Tianma AM-OLED Co., Ltd., Tianma Micro-electronics Co., Ltd.
    Inventors: Chunyang Li, Bozhang Sun, Minfu Zhang
  • Patent number: 10417960
    Abstract: The disclosure discloses an organic electroluminescent display panel and a display panel, where initialization transistor and the control transistor are connected by a second power source signal line, and if the initialization transistor is turned on by first scan signal line, and if the control transistor is turned on by light emitting control line, then different electrical signal will be loaded on the second power source signal line to thereby reset the gate of a drive transistor in an initialization stage, and to load power source voltage to the source of the drive transistor for light emission and displaying, in a light emitting stage.
    Type: Grant
    Filed: January 8, 2018
    Date of Patent: September 17, 2019
    Assignee: SHANGHAI TIANMA AM-OLED CO., LTD.
    Inventors: Dongxu Xiang, Yue Li, Renyuan Zhu, Yana Gao
  • Patent number: 10418432
    Abstract: A display panel includes an array substrate including a base substrate and a drive unit; a light-emitting functional layer placed on one side of the drive unit and electrically connected with the drive unit; a sealing film layer placed on one side of the light-emitting functional layer; and a polarization functional layer placed on a light output side of the display panel. The polarization functional layer includes a coated polarization layer. Compared with the prior art, the display panel includes less film layers, and layers of the display panel are thinner, which facilitates the thin-type design. In addition, the method for making a display panel is simple, a production cost is low, and a production efficiency is high, which is good for a large-scale production application.
    Type: Grant
    Filed: October 27, 2017
    Date of Patent: September 17, 2019
    Assignee: SHANGHAI TIANMA AM-OLED CO., LTD.
    Inventors: Jian Jin, Congyi Su
  • Patent number: 10417961
    Abstract: An organic light-emitting display panel, a driving method, and an organic light-emitting display device are provided. The organic light-emitting display panel comprises a plurality of pixel driving circuits, wherein a pixel driving circuit includes a first scan signal terminal and a second scan signal terminal; a light-emitting signal terminal, a data signal terminal, an initialization signal terminal, a first voltage terminal, and a second voltage terminal; a driving module comprising a driving transistor and a first capacitor having two electrode plates electrically connected to a gate electrode and a first electrode of the driving transistor, respectively; an initialization module comprising a first transistor, a first electrode, and a second electrode electrically connected to a second electrode of the driving transistor; a data writing module electrically connected to the gate electrode of the driving transistor; a light-emitting control module; and an organic light-emitting element.
    Type: Grant
    Filed: April 17, 2017
    Date of Patent: September 17, 2019
    Assignees: Shanghai Tianma AM-OLED Co., Ltd., Tianma Micro-Electronics Co., Ltd.
    Inventors: Dongxu Xiang, Yue Li, Tong Wu, Renyuan Zhu, Gang Liu, Dong Qian, Zeyuan Chen
  • Patent number: 10417967
    Abstract: The present disclosure discloses a display panel and a display device. The display panel includes a plurality of pixel circuits, and each of the pixel circuit includes an initialization component, a data writing component, a light emitting control component, a voltage storage component, a driving transistor, a first voltage maintenance component, a switching control component, an external compensation component and a light-emitting diode. The driving transistor is a dual-gate transistor, and a second gate of the dual-gate transistor is electrically connected to the external compensation component through the switching control component. The external compensation component is under the control of the switching control component to firstly collect the voltage at a third node and then provide a compensation voltage to a second node to adjust the threshold voltage of the dual-gate transistor so that the threshold voltage of the dual-gate transistor is more approximate to a standard threshold voltage.
    Type: Grant
    Filed: January 7, 2018
    Date of Patent: September 17, 2019
    Assignee: SHANGHAI TIANMA AM-OLED CO., LTD.
    Inventors: Renyuan Zhu, Yana Gao, Yue Li, Zeyuan Chen
  • Publication number: 20190280040
    Abstract: Provided are a display panel, a manufacturing method thereof and a display device. The display panel includes: a first substrate and a second substrate disposed opposite to each other, and a plurality of light-emitting units and a plurality of fingerprint identification units, disposed on one side of the first substrate facing to the second substrate. Each of the plurality of light-emitting units includes a first N-type semiconductor layer and a first P-type semiconductor layer, each of the plurality of fingerprint identification units includes a second N-type semiconductor layer and a second P-type semiconductor layer. The first N-type semiconductor layer and the second N-type semiconductor layer are disposed in a same layer, and the first P-type semiconductor layer and the second P-type semiconductor layer are disposed in a same layer.
    Type: Application
    Filed: October 31, 2018
    Publication date: September 12, 2019
    Applicant: Shanghai Tianma AM-OLED Co., Ltd.
    Inventors: Shuang Cheng, Jinghua Niu, Xiangcheng Wang, Qing Zhu, Honghu Ma, Jun Lin, Yinhe Liu
  • Patent number: 10403195
    Abstract: Embodiments of the disclosure provide a shift register, a method for driving the same, and a display device, and the shift register includes: a first input module and a second input module, connected respectively with an input signal terminal and a first clock signal terminal; a first control module and a second control module connected with a second clock signal terminal; a third control module connected with a first reference signal terminal; and an output module and a plurality of capacitors, connected respectively with the first reference signal terminal, the second reference signal terminal, and the output signal terminal.
    Type: Grant
    Filed: October 23, 2017
    Date of Patent: September 3, 2019
    Assignee: SHANGHAI TIANMA AM-OLED CO., LTD.
    Inventors: Renyuan Zhu, Yue Li, Yana Gao, Dongxu Xiang, Zeyuan Chen, Bozhang Sun
  • Patent number: 10403194
    Abstract: A display panel includes a display area, the display area including a plurality of scan lines; and a non-display area, the non-display area including a plurality of gate driving circuits and at least one load compensating unit; wherein at least two of the plurality of scan lines have different lengths; each gate driving circuit is respectively connected with one scan line; each load compensating unit corresponds to one gate driving circuit to compensate a load of one gate driving circuit, and the larger a length of the scan line connected with the gate driving circuit, the smaller a load added by a corresponding load compensating unit. In the display panel provided by the present disclosure, through arranging the load compensating unit, the phenomenon of the non-uniform brightness of the display panel can be improved, and display quality of the display panel can be improved.
    Type: Grant
    Filed: October 18, 2017
    Date of Patent: September 3, 2019
    Assignee: SHANGHAI TIANMA AM-OLED CO., LTD.
    Inventors: Chunyang Li, Dongxu Xiang, Yue Li
  • Patent number: 10401998
    Abstract: A flexible touch display panel is provided, including: a flexible substrate, a driver layer, a light-emitting layer, an encapsulation layer, a touch layer. The touch layer is disposed on the encapsulation layer and includes a plurality of first/second touch electrodes disposed on one side, facing away from the flexible substrate, of the encapsulation layer and on a same layer. Each first touch electrode includes a plurality of first touch electrode blocks and first junctions for joining two adjacent first touch electrode blocks. Each second touch electrode includes a plurality of second touch electrode blocks and second junctions for joining two adjacent second touch electrode blocks. Each first junction and an associated second junction overlay in a direction perpendicular to the flexible substrate. The first/second touch electrodes are made of a conductive polymer material and formed by ink-jet printing or coating.
    Type: Grant
    Filed: October 5, 2017
    Date of Patent: September 3, 2019
    Assignee: SHANGHAI TIANMA AM-OLED CO., LTD.
    Inventors: Jian Jin, Congyi Su
  • Patent number: 10403212
    Abstract: The disclosure discloses a display panel, a method for displaying on the same, and a display device, where a display region is divided into a central display region, and an edge display region surrounding the central display region; and the brightness of a pixel in the edge display region is lower than the brightness of a pixel in the central display region at each grayscale, so that while a picture is being displayed, the brightness in the edge display region is lower than the brightness in the central display region, but the edge display region is adjacent to an edge frame of the display panel, and human eyes perceive higher brightness in the edge display region than the real brightness in the edge display region, so that the brightness in the central display region perceived by the human eyes agrees with the brightness in the edge display region.
    Type: Grant
    Filed: October 20, 2017
    Date of Patent: September 3, 2019
    Assignee: SHANGHAI TIANMA AM-OLED CO., LTD.
    Inventors: Xian Chen, Lijing Han, Lu Liu
  • Patent number: 10388759
    Abstract: Embodiments of the disclosure provide a method for fabricating a lightly doped drain area, a thin film transistor, and a thin film transistor array substrate. In an embodiment of the disclosure, a poly-silicon layer, a gate insulation layer, and a gate metal layer are formed in sequence on a substrate; the gate metal layer is patterned to form a gate electrode; the gate insulation layer is etched to form a stepped structure, wherein a width of the gate electrode is smaller than a width of the stepped structure, and an edge of the stepped structure is not covered by the gate electrode; and the poly-silicon layer is doped by an ion doping process using the gate electrode and the gate insulation layer with the stepped structure as a mask to form both a lightly doped area and a heavily doped area.
    Type: Grant
    Filed: July 19, 2017
    Date of Patent: August 20, 2019
    Assignees: SHANGHAI TIANMA AM-OLED CO., LTD., TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Qiong Xu, Jianjun Zhang
  • Patent number: 10388714
    Abstract: Provided are an organic light-emitting display panel and a display terminal.
    Type: Grant
    Filed: October 27, 2017
    Date of Patent: August 20, 2019
    Assignee: SHANGHAI TIANMA AM-OLED CO., LTD.
    Inventors: Xian Chen, Lijing Han, Lu Liu
  • Patent number: 10385059
    Abstract: A compound and an organic optoelectronic device are provided.
    Type: Grant
    Filed: May 22, 2017
    Date of Patent: August 20, 2019
    Assignees: Shanghai Tianma AM-OLED Co., Ltd., Tianma Micro-Electronics Co., Ltd.
    Inventors: Xiangcheng Wang, Ying Liu, Hongyang Ren, Wei He, Chen Liu
  • Patent number: 10380938
    Abstract: Embodiments of the present disclosure provide a display panel and a display device to improve brightness difference between bending position and non-bending position of the display panel. The display panel includes an array substrate including a display area, the display area includes a non-bendable first display area in which a first driving transistor is arranged; a bendable second display area in which a second driving transistor is arranged, a width-length ratio of the first driving transistor being greater than that of the second driving transistor; a first organic light emitting diode arranged in the first display area and including an anode and a cathode, the anode being coupled to the first driving transistor; and a second organic light emitting diode arranged in the second display area and including an anode and a cathode, the anode of the second organic light emitting diode being coupled to the second driving transistor.
    Type: Grant
    Filed: January 9, 2018
    Date of Patent: August 13, 2019
    Assignee: SHANGHAI TIANMA AM-OLED CO., LTD.
    Inventor: Congyi Su
  • Patent number: 10373555
    Abstract: The present application discloses an organic light emitting display panel, an organic light emitting display device, and a pixel compensation method. The panel comprises data line sets; a pixel array; pixel driving circuits; and a pixel compensation circuit, configured to provide a bias current, sample an anode voltage of an organic light emitting diode, and generate a compensated data voltage based on the bias current and the anode voltage. A power module is configured to provide the bias current to the data line set, and transmit the bias current via the data line set to the organic light emitting diode. A sampling module samples the anode voltage of the organic light emitting diode via the data line set. A data voltage generation module transmits the compensated data voltage via the data line set to the pixel driving circuit based on the anode voltage and the bias current.
    Type: Grant
    Filed: May 16, 2017
    Date of Patent: August 6, 2019
    Assignee: SHANGHAI TIANMA AM-OLED CO., LTD.
    Inventors: Yue Li, Gang Liu, Dongxu Xiang
  • Patent number: 10373557
    Abstract: The present application discloses an organic light-emitting pixel driving circuit, a driving method and an organic light-emitting display panel. The organic light-emitting pixel driving circuit comprises: a first transistor provides an initialization signal to an anode of the organic light-emitting diode and a gate of the driving transistor; a second transistor compensates a threshold voltage of the driving transistor; a third transistor provides a data signal to the driving transistor; a fourth transistor transmits a first power supply voltage to the driving transistor; a fifth transistor controls electrical connection between the driving transistor and the organic light-emitting diode based on a signal of the second light-emission controlling signal terminal; a capacitor is used to store the data signal transmitted to the driving transistor; an organic light-emitting diode is used to emit light in response to the driving current generated by the driving transistor.
    Type: Grant
    Filed: June 28, 2017
    Date of Patent: August 6, 2019
    Assignee: SHANGHAI TIANMA AM-OLED CO., LTD.
    Inventors: Renyuan Zhu, Yue Li, Tong Wu, Dongxu Xiang, Zeyuan Chen
  • Patent number: 10367041
    Abstract: An organic light-emitting display panel and an organic light-emitting display device are provided. The organic light-emitting display panel comprises an array substrate; a transparent cover plate; and an organic light-emitting layer configured between the array substrate and the transparent cover plate. The organic light-emitting layer comprises: a first electrode layer including a plurality of first electrodes, a plurality of first touch electrodes extending in a first direction, arranged in a second direction, and disposed in a same layer as the first electrode layer, and a plurality of second touch electrodes.
    Type: Grant
    Filed: May 16, 2017
    Date of Patent: July 30, 2019
    Assignees: Shanghai Tianma AM-OLED Co., Ltd., Tianma Micro-Electronics Co., Ltd.
    Inventors: Zhiyong Xiong, Jianjie Zhu, Liyuan Liu
  • Patent number: 10367036
    Abstract: An organic light-emitting structure is described herein. The organic light emitting structure includes a first light-emitting unit, a second light-emitting unit, a third light-emitting unit, and a fourth light-emitting unit. An emission wavelength of the first light-emitting unit, an emission wavelength of the second light-emitting unit, an emission wavelength of the third light-emitting unit, and an emission wavelength of the fourth light-emitting unit successively increase. Each of a luminous efficiency of the second light-emitting unit, and a luminous efficiency of the third light-emitting unit is greater than each of a luminous efficiency of the first light-emitting unit and a luminous efficiency of the fourth light-emitting unit. The color gamut range of the organic light-emitting structure is increased, the color saturation of the light-emitting device is improved, and quantity of colors is increased, so that the development trend of color reproducibility for the display devices can be satisfied.
    Type: Grant
    Filed: October 18, 2017
    Date of Patent: July 30, 2019
    Assignee: SHANGHAI TIANMA AM-OLED CO., LTD.
    Inventor: Yuji Hamada
  • Patent number: 10360844
    Abstract: Embodiments of the disclosure disclose a display panel, a method for displaying an image on the same and a display device. For the determined brightness mode, every n frames of images to be displayed are taken as a group, and when being displayed, each group of n frames of images is controlled to emit light for the same total amount of time; and when each frame of image is being displayed each row of pixels operate in the light-emitting phase for the same amount of time, so that the images can be displayed with normal brightness in this mode. When n frames of images in a group are being displayed, different light-emitting control signals are transmitted to the same row of pixels. And/or, when each frame of image in a group is being displayed, at least two of light-emitting control signals transmitted to different rows of pixels are different.
    Type: Grant
    Filed: January 9, 2018
    Date of Patent: July 23, 2019
    Assignee: SHANGHAI TIANMA AM-OLED CO., LTD.
    Inventors: Jingxiong Zhou, Ruiyuan Zhou
  • Patent number: 10355235
    Abstract: Embodiment of the present disclosure discloses an organic light emitting display device and apparatus, the organic light emitting display device includes a first electrode and a second electrode disposed opposite to each other, a light emitting layer positioned between the first electrode and the second electrode, and a cap layer positioned on a side surface of the second electrode facing away from the light emitting layer, wherein the cap layer includes at least two composite layers, the refractive index of the composite layer of the at least two composite layers closer to the second electrode is greater than that of the other composite layer further away from the second electrode in the range of wavelength of 400 nm to 700 nm.
    Type: Grant
    Filed: July 3, 2017
    Date of Patent: July 16, 2019
    Assignees: SHANGHAI TIANMA AM-OLED CO., LTD., TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Xiangcheng Wang, Shuang Cheng, Jinghua Niu, Yuji Hamada, Wei He