Patents by Inventor Lijing HAN

Lijing HAN has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20190206951
    Abstract: A display panel and a fabrication method of the display panel are provided. The display panel includes a plurality of pixel rows, which includes first pixel rows and second pixel rows that are alternately arranged and is extended along a first direction. A first pixel row includes a plurality of first units, and a first unit includes two first sub-pixels arranged along a second direction with a same color. First sub-pixels in adjacent first units have different colors. The second direction intersects with and is non-perpendicular to the first direction. A second pixel row includes a plurality of second units, and a second unit includes two second sub-pixels arranged along the second direction with a same color. The first pixel rows and the second pixel rows are alternately arranged in a third direction perpendicular to the first direction. The first sub-pixels have a color different from the second sub-pixels.
    Type: Application
    Filed: October 10, 2018
    Publication date: July 4, 2019
    Inventors: Yu XIN, Lijing HAN, Xian CHEN
  • Publication number: 20190206313
    Abstract: The present disclosure provides a display panel and an electronic device including the display panel. The display panel includes a plurality of sub-pixels and a plurality of pixel units. The plurality of sub-pixels includes at least a first color sub-pixel and at least a second color sub-pixel. The plurality of sub-pixels and the plurality of pixel units are arranged in a one-to-one correspondence manner. The display panel provided by the present disclosure can greatly reduce the difficulty of the preparation process while remaining a high aperture ratio, thereby improving the production yield of the display panel, significantly reducing the preparation cost of the display panel, greatly improving the display performance of the display panel, providing a comfortable user experience.
    Type: Application
    Filed: May 8, 2018
    Publication date: July 4, 2019
    Inventors: Wanwan Xia, Xian CHEN, Lijing HAN, Yu XIN
  • Publication number: 20190148680
    Abstract: The present disclosure provides a display panel, a mask, 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 light-emitting devices arranged in the display region. The plurality of light-emitting devices includes a common layer, and no common layer is formed in the hollow region. The common layer includes at least one first common portion and at least one second common portion that are disposed in a same layer. The common layer further includes at least one uneven layer disposed between the at least one first common portion and the at least one second common portion.
    Type: Application
    Filed: January 17, 2019
    Publication date: May 16, 2019
    Applicant: SHANGHAI TIANMA AM-OLED CO., LTD.
    Inventors: Yu XIN, Lijing HAN, Yuan LI
  • Publication number: 20190096962
    Abstract: The present invention provides a pixel structure for organic light-emitting diodes, including three types of pixel groups arranged in array. Each of the three types of pixel groups includes two adjacent sub-pixels having a same color. The sub-pixels in pixel groups of different types have different colors. Any two of the pixel groups of the same type are neither adjacent to each other in the row direction nor adjacent to each other in the column direction. The two sub-pixels of each pixel groups in a same row are both arranged in a first direction or both arranged in a second direction, an included angle between the first direction and the row direction is ?, 0°???90°, and the second direction is perpendicular to the first direction. The present design can achieve a compact arrangement of sub-pixels, improve the pixel density and increases the aperture ratio.
    Type: Application
    Filed: January 29, 2018
    Publication date: March 28, 2019
    Inventors: Lijing HAN, Lu LIU, Xian CHEN
  • Publication number: 20190096983
    Abstract: Provided is an organic light-emitting display panel including gate lines, data lines intersecting with gate lines in an insulation manner, pins located in pin region; and sub-pixel units, each including cathode layer; an anode layer, and light-emitting layer between cathode layer and anode layer. The sub-pixel units include first to sixth sub-pixel units. The first to third sub-pixel units emit light with different colors. The fourth to sixth sub-pixel units emit light with different colors. The first and fourth sub-pixel units emit light with same color. A distance between first sub-pixel unit and pin region is larger than a distance between fourth sub-pixel unit and pin region. A distance between cathode layer of first sub-pixel unit and anode layer of first sub-pixel unit is larger than a distance between cathode layer of fourth sub-pixel unit and anode layer of fourth sub-pixel unit is a fourth distance.
    Type: Application
    Filed: November 29, 2018
    Publication date: March 28, 2019
    Applicant: SHANGHAI TIANMA AM-OLED CO., LTD.
    Inventors: Haimin LIU, Liyuan LIU, Lijing HAN, Xue WANG
  • Publication number: 20190035875
    Abstract: An organic light-emitting display panel is provided. The display panel includes a first driving voltage line arranged on an interlayer insulation layer and electrically connected with a source electrode or drain electrode of a driving transistor, a first reference voltage line arranged on a substrate and configured to extend in a first direction; a second reference voltage line arranged on the substrate and configured to extend in a second direction perpendicular to the first direction. A first electrode of the first switch transistor is electrically connected with the first reference voltage line, and a second electrode of the first switch transistor is electrically connected with a first electrode plate of a capacitor. A first electrode of the second switch transistor is electrically connected with the second reference voltage line, and a second electrode of the second switch transistor is electrically connected with a gate electrode of the driving transistor.
    Type: Application
    Filed: September 29, 2018
    Publication date: January 31, 2019
    Applicant: SHANGHAI TIANMA AM-OLED CO., LTD.
    Inventors: Yu XIN, Yue LI, Lijing HAN
  • Publication number: 20180374426
    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: Application
    Filed: October 20, 2017
    Publication date: December 27, 2018
    Inventors: Xian Chen, Lijing Han, Lu Liu
  • Publication number: 20180365471
    Abstract: A display panel is provided. The display panel includes a plurality of pixel units arranged in a fingerprint recognition region. Each of the plurality of pixel units includes a first electrode and a light-emitting layer. A driving unit of each pixel unit includes a storage capacitor. An orthographic projection of the storage capacitor on a plane of the display panel is located within an orthographic projection of the corresponding first electrode on the plane of the display panel. An orthographic projection of the light-emitting layer of each organic light-emitting device on the plane of the display panel is located within an orthographic projection of the corresponding first electrode. A distance between an edge of an orthographic projection of the first electrode and an edge of an orthographic projection of the light-emitting layer of each red and/or green organic light-emitting device is larger that of each blue organic light-emitting device.
    Type: Application
    Filed: August 23, 2018
    Publication date: December 20, 2018
    Applicant: SHANGHAI TIANMA AM-OLED CO., LTD.
    Inventors: Yu XIN, Lijing Han, Xian Chen
  • Publication number: 20180342569
    Abstract: Provided are an organic light-emitting display panel and a display terminal.
    Type: Application
    Filed: October 27, 2017
    Publication date: November 29, 2018
    Inventors: Xian CHEN, Lijing HAN, Lu LIU
  • Publication number: 20180269397
    Abstract: The disclosure discloses an organic electroluminescent display panel, a method for manufacturing the same, and a display device, where organic light-emitting layers of display sub-pixels and virtual sub-pixels may be created on an underlying substrate through evaporation using a fine metal mask and a shielding mask arranged in a stack, and the area of the organic light-emitting layer of a non-rectangular shaped virtual sub-pixel among the virtual sub-pixels is smaller than the area of the organic light-emitting layer of a display sub-pixel capable of emitting light in the same color.
    Type: Application
    Filed: May 18, 2018
    Publication date: September 20, 2018
    Applicant: SHANGHAI TIANMA AM-OLED CO., LTD.
    Inventors: Yu XIN, Yuan LI, Naichao MU, Lijing HAN
  • Publication number: 20180155818
    Abstract: The disclosure discloses a mask device and an evaporation device, so as to manufacture a special-shaped display panel, improve the manufacturing efficiency of the special-shaped display panel and lower the cost. The mask device provided by the embodiment of the present disclosure comprises a framework and a first strip plate, where the first strip plate is fixed on the framework and extends along the first direction, the first strip plate includes a first area and a second area, and the width of the first area is greater than the width of the second area in the direction parallel to the surface of the first strip plate and vertical to the first direction.
    Type: Application
    Filed: February 5, 2018
    Publication date: June 7, 2018
    Applicant: SHANGHAI TIANMA AM-OLED CO., LTD.
    Inventors: Naichao Mu, Yuan Li, Yu Xin, Jun Ma, Lijing Han
  • Patent number: 9887391
    Abstract: The invention discloses an optical member and an OLED display including an optical member. The optical member includes: a metal electrode, a ?/4 phase-difference plate and a linear polarization plate sequentially arranged in this order. A ?/2 phase-difference plate and a brightness enhancement film are arranged between the ?/4 phase-difference plate and the linear polarization plate; there is an angle between an absorption axis of the linear polarization plate and a polarization axis of the brightness enhancement film; and there is an angle between the polarization axis of the brightness enhancement film and a slow axis of the ?/2 phase-difference plate. This arrangement can address the problem in the related art that faces the difficulty to improve the transmittivity of light in an optical member in an OLED display.
    Type: Grant
    Filed: May 26, 2015
    Date of Patent: February 6, 2018
    Assignees: SHANGHAI TIANMA AM-OLED CO., LTD., TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Wanwan Xia, Lijing Han, Liyuan Luo
  • Patent number: 9704941
    Abstract: An organic light-emitting display device/panel includes, in part, at least a red organic light-emitting element, a green organic light-emitting element and a blue organic light-emitting element. The organic light-emitting display device/panel optionally includes a white organic light-emitting element. The organic light-emitting display device/panel further includes, in part, a first power line coupled to the red organic light-emitting element, a second power line coupled to the green organic light-emitting element, and a third power line coupled to the blue organic light-emitting element. The power supplies a high voltage level to the organic light-emitting elements.
    Type: Grant
    Filed: August 31, 2015
    Date of Patent: July 11, 2017
    Assignees: SHANGHAI TIANMA AM-OLED CO., LTD., TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Lijing Han, Liyuan Luo, Liujing Fan
  • Publication number: 20160204186
    Abstract: An organic light-emitting display device/panel includes, in part, at least a red organic light-emitting element, a green organic light-emitting element and a blue organic light-emitting element. The organic light-emitting display device/panel optionally includes a white organic light-emitting element. The organic light-emitting display device/panel further includes, in part, a first power line coupled to the red organic light-emitting element, a second power line coupled to the green organic light-emitting element, and a third power line coupled to the blue organic light-emitting element. The power supplies a high voltage level to the organic light-emitting elements.
    Type: Application
    Filed: August 31, 2015
    Publication date: July 14, 2016
    Inventors: Lijing Han, Liyuan Luo, Liujing Fan
  • Publication number: 20160181573
    Abstract: The invention discloses an optical member and an OLED display including an optical member. The optical member includes: a metal electrode, a ?/4 phase-difference plate and a linear polarization plate sequentially arranged in this order. A ?/2 phase-difference plate and a brightness enhancement film are arranged between the ?/4 phase-difference plate and the linear polarization plate; there is an angle between an absorption axis of the linear polarization plate and a polarization axis of the brightness enhancement film; and there is an angle between the polarization axis of the brightness enhancement film and a slow axis of the ?/2 phase-difference plate. This arrangement can address the problem in the related art that faces the difficulty to improve the transmittivity of light in an optical member in an OLED display.
    Type: Application
    Filed: May 26, 2015
    Publication date: June 23, 2016
    Inventors: Wanwan XIA, Lijing HAN, Liyuan LUO
  • Patent number: 9366921
    Abstract: The present invention discloses a fringe field switching (FFS) liquid crystal display and a color filter substrate. The liquid crystal display includes an upper substrate, a lower substrate, and a liquid crystal layer sandwiched between the upper substrate and the lower substrate. The lower substrate includes a common electrode and a pixel electrode, and the pixel electrode includes at least one branch electrode and an end electrode for connecting the branch electrode; and an auxiliary electrode corresponding to the end electrode is arranged on the upper substrate. In the presence of the auxiliary electrode, unwanted electric fields between the end electrode and the common electrode are effectively attenuated, and arrangement of liquid crystal molecules at the boundary of a pixel element where the end electrode is located is stabilized, so that disclination lines are improved, pictures are displayed uniformly with high quality.
    Type: Grant
    Filed: March 26, 2014
    Date of Patent: June 14, 2016
    Assignees: Shanghai Tianma Micro-Electronics Co., Ltd., Tianma Micro-Electronics Co., Ltd.
    Inventors: Lijing Han, Liyuan Luo, Yongzhi Wang
  • Publication number: 20150022767
    Abstract: The present invention discloses a fringe field switching (FFS) liquid crystal display and a color filter substrate. The liquid crystal display includes an upper substrate, a lower substrate, and a liquid crystal layer sandwiched between the upper substrate and the lower substrate. The lower substrate includes a common electrode and a pixel electrode, and the pixel electrode includes at least one branch electrode and an end electrode for connecting the branch electrode; and an auxiliary electrode corresponding to the end electrode is arranged on the upper substrate. In the presence of the auxiliary electrode, unwanted electric fields between the end electrode and the common electrode are effectively attenuated, and arrangement of liquid crystal molecules at the boundary of a pixel element where the end electrode is located is stabilized, so that disclination lines are improved, pictures are displayed uniformly with high quality.
    Type: Application
    Filed: March 26, 2014
    Publication date: January 22, 2015
    Applicants: Tianma Micro-Electronics Co., Ltd., Shanghai Tianma Micro-Electronics Co., Ltd.
    Inventors: Lijing HAN, Liyuan Luo, Yongzhi Wang