Patents by Inventor Shanshan BAI

Shanshan BAI 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).

  • Patent number: 10156505
    Abstract: The present invention discloses an analysis method of a tensioning process of a fine mask plate. The analysis method, based on the simulation function of ANSYS software, finds an appropriate tensile force for stretching a fine mask plate and a corresponding actual counterforce applied to a metal frame before each fine mask plate is welded onto the metal frame through establishing a finite element model of the fine mask plate and a finite element model of the metal frame. The analysis process requires no physical tests, thereby effectively avoiding damaging the fine mask plate and further effectively saving the test cost.
    Type: Grant
    Filed: January 16, 2015
    Date of Patent: December 18, 2018
    Assignees: BOE Technology Group Co., Ltd., Ordos Yuansheng Optoelectronics Co., Ltd.
    Inventors: Fengli Ji, Minghua Xuan, Shanshan Bai, Jiantao Liu, Jingbo Xu
  • Patent number: 10131982
    Abstract: A mask includes a graphic mask layer having a plurality of graphic mask blocks mutually spaced apart and arranged in parallel, and a covering mask layer having a plurality of covering mask blocks mutually spaced apart and arranged in parallel. The covering mask block covers a gap between adjacent graphic mask blocks. The graphic mask block includes an effective region, an ineffective region, and a marginal region between the effective region and the ineffective region, wherein each region has a plurality of pixel shaping openings, and the covering mask block further covers the pixel shaping openings of the ineffective regions of the adjacent graphic mask blocks. The motherboard is used for manufacturing the mask. The device for manufacturing mask comprises the motherboard, a base table, a stretcher and a welding machine. The system for evaporating the display substrate includes an evaporator and the mask.
    Type: Grant
    Filed: January 23, 2017
    Date of Patent: November 20, 2018
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., ORDOS YUANSHENG OPTOELECTRONICS CO., LTD.
    Inventors: Fengli Ji, Yinan Liang, Shanshan Bai
  • Publication number: 20180230585
    Abstract: A metal mask plate and a fabrication method thereof. The metal mask plate has a first main surface and a second main surface opposite to each other, the metal mask plate includes: a plurality of panel-defining regions spaced apart; and a main frame portion. In each of the panel-defining regions, a plurality of via holes configured for defining a pixel structure are arranged in a matrix, and each of the via holes communicates the first main surface and the second main surface of the metal mask plate, side walls of every two adjacent via holes are directly connected with each other on the second main surface of the metal mask plate so that the metal mask plate between the two adjacent via holes (101) in the panel-defining region has a thickness D1. The main frame portion of the metal mask plate has a second thickness D2, and the first thickness D1 and the second thickness D2 satisfy |D1?D2|/D1?20%.
    Type: Application
    Filed: August 3, 2016
    Publication date: August 16, 2018
    Inventor: Shanshan BAI
  • Publication number: 20180216221
    Abstract: A mask includes a graphic mask layer having a plurality of graphic mask blocks mutually spaced apart and arranged in parallel, and a covering mask layer having a plurality of covering mask blocks mutually spaced apart and arranged in parallel. The covering mask block covers a gap between adjacent graphic mask blocks. The graphic mask block includes an effective region, an ineffective region, and a marginal region between the effective region and the ineffective region, wherein each region has a plurality of pixel shaping openings, and the covering mask block further covers the pixel shaping openings of the ineffective regions of the adjacent graphic mask blocks. The motherboard is used for manufacturing the mask. The device for manufacturing mask comprises the motherboard, a base table, a stretcher and a welding machine. The system for evaporating the display substrate includes an evaporator and the mask.
    Type: Application
    Filed: January 23, 2017
    Publication date: August 2, 2018
    Inventors: Fengli JI, Yinan LIANG, Shanshan BAI
  • Patent number: 10026785
    Abstract: An organic light emitting diode display device and a display apparatus, and a mask for fabricating a sub-pixel of the organic light emitting diode display device are provided. Each pixel unit group includes a first sub-pixel unit group and a second sub-pixel unit group which are disposed adjacently along a first direction and include three sub-pixels of different colors, respectively; and the three sub-pixels in the first sub-pixel unit group and the three sub-pixels in the second sub-pixel unit group are staggered along a second direction, and a color of any sub-pixel on a base substrate is different from a color of any other sub-pixel adjacent to the sub-pixel.
    Type: Grant
    Filed: March 3, 2015
    Date of Patent: July 17, 2018
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., ORDOS YUANSHENG OPTOELECTRONICS CO., LTD.
    Inventors: Shanshan Bai, Fengli Ji, Jiantao Liu, Jingbo Xu, Yinan Liang
  • Publication number: 20180196343
    Abstract: A mask frame assembly and an evaporation apparatus are disclosed. The mask frame assembly comprises a frame and a mask plate fixed on the frame. The mask frame assembly is provided with alignment marks, which comprise a first alignment hole arranged in the frame and a second alignment hole arranged in the mask plate. The first alignment hole is a through hole; or the first alignment hole is a blind hole, the deepest position at a bottom of the blind hole does not overlap with an orthographic projection of the second alignment hole on the frame. The mask frame assembly effectively solves a problem in which liquid residuals in alignment holes of the frame interfere with alignment.
    Type: Application
    Filed: May 12, 2017
    Publication date: July 12, 2018
    Inventors: Fengli JI, Shanshan BAI, Yinan LIANG
  • Publication number: 20180175121
    Abstract: A pixel arrangement structure, an organic electroluminescent device (i.e., organic light-emitting diode device), a display device and a mask are provided, which can increase opening areas of a metal mask for forming the pixel arrangement structure, and improve the aperture ratio, the brightness, the service life and the image resolution of active matrix organic light-emitting diode (AMOLED) products. The pixel arrangement structure includes a plurality of pixels. Each pixel includes three sub-pixels of different colors; connecting lines of center points of the sub-pixels form equilateral triangles; and each sub-pixel has a shape of polygon with more than four sides.
    Type: Application
    Filed: October 21, 2015
    Publication date: June 21, 2018
    Inventors: Fengli JI, Yinan LIANG, Shanshan BAI, Minghua XUAN, Liang SUN
  • Patent number: 9793325
    Abstract: The present disclosure provides an OLED display panel and a method for fabricating the same and an OLED display apparatus. The OLED display panel includes a light-emitting layer, the light-emitting layer includes white sub-pixels and color sub-pixels, the size of the white sub-pixel is equal to the sum of size of at least two of the color sub-pixels, and the number of the color sub-pixels is less than the number of color-forming primary colors. The OLED display panel further includes a color film, the color film including color blocks matching the color sub-pixels, the color blocks being disposed on a side of the light-emitting layer toward the display side and at positions corresponding to the positions where the white sub-pixels are located.
    Type: Grant
    Filed: October 19, 2015
    Date of Patent: October 17, 2017
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., ORDOS YUANSHENG OPTOELECTRONICS CO., LTD.
    Inventors: Juanjuan Bai, Weilin Lai, Minghua Xuan, Fengli Ji, Haidong Wu, Shanshan Bai
  • Publication number: 20170268093
    Abstract: A mask frame assembly, an evaporation method and an array substrate are provided. The mask frame assembly according to the disclosure includes a frame, a covering mask and at least two evaporation masks, the evaporation masks are sequentially arranged on the frame with a gap between two adjacent evaporation masks. A first groove is arranged at a location corresponding to the gap in the frame. The first groove includes a first groove welding portion and a first groove weldless portion, the evaporation mask includes a first evaporation sub-mask corresponding to the first groove welding portion and a second evaporation sub-mask corresponding to the first groove weldless portion; and an edge of the first evaporation sub-mask and an edge of the first groove welding portion coincide.
    Type: Application
    Filed: September 12, 2016
    Publication date: September 21, 2017
    Applicants: BOE TECHNOLOGY GROUP CO., LTD., ORDOS YUANSHENG OPTOELECTRONICS CO., LTD.
    Inventors: Fengli JI, Yinan LIANG, Shanshan BAI
  • Patent number: 9767741
    Abstract: The embodiments of the present invention provide an organic electroluminescent display device, a driving method thereof and a display device. Due to the regular staggered arrangement of sub pixels with the same color on the basal substrate, during the manufacture of a metal mask plate, the distance between adjacent openings corresponding to the sub pixels with the same color in the metal mask plate can be relatively large, improving the strength of the metal mask plate; this is beneficial for manufacturing small-sized sub pixels, thereby further improving the resolution of the organic electroluminescent display device.
    Type: Grant
    Filed: February 9, 2015
    Date of Patent: September 19, 2017
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., ORDOS YUANSHENG OPTOELECTRONICS CO., LTD.
    Inventors: Shanshan Bai, Fengli Ji, Minghua Xuan, Jiantao Liu, Jingbo Xu
  • Patent number: 9761639
    Abstract: The present invention provides an organic light emitting diode array substrate, and a display device, which belongs to the field of display technology, and can solve the problem that the sub-pixels of different colors in the existing organic light emitting diode array substrate have different life times.
    Type: Grant
    Filed: January 16, 2015
    Date of Patent: September 12, 2017
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., ORDOS YUANSHENG OPTOELECTRONICS CO. LTD.
    Inventors: Shanshan Bai, Fengli Ji, Minghua Xuan, Jiantao Liu, Jingbo Xu
  • Publication number: 20160358981
    Abstract: The present disclosure provides an OLED display panel and a method for fabricating the same and an OLED display apparatus. The OLED display panel includes a light-emitting layer, the light-emitting layer includes white sub-pixels and color sub-pixels, the size of the white sub-pixel is equal to the sum of size of at least two of the color sub-pixels, and the number of the color sub-pixels is less than the number of color-forming primary colors. The OLED display panel further includes a color film, the color film including color blocks matching the color sub-pixels, the color blocks being disposed on a side of the light-emitting layer toward the display side and at positions corresponding to the positions where the white sub-pixels are located.
    Type: Application
    Filed: October 19, 2015
    Publication date: December 8, 2016
    Inventors: Juanjuan BAI, Weilin LAI, XUAN MINGHUA, Fengli JI, Haidong WU, Shanshan BAI
  • Publication number: 20160358985
    Abstract: An organic light emitting diode display device and a display apparatus, and a mask for fabricating a sub-pixel of the organic light emitting diode display device are provided. Each pixel unit group includes a first sub-pixel unit group and a second sub-pixel unit group which are disposed adjacently along a first direction and include three sub-pixels of different colors, respectively; and the three sub-pixels in the first sub-pixel unit group and the three sub-pixels in the second sub-pixel unit group are staggered along a second direction, and a color of any sub-pixel on a base substrate 10 is different from a color of any other sub-pixel adjacent to the sub-pixel. The organic light emitting diode display device ensures that the sub-pixels of a same color are staggered regularly on the base substrate, which increases strength of the mask, and is conducive to fabrication of the sub-pixel of a small size, so that the resolution of the organic light emitting diode display device can be improved.
    Type: Application
    Filed: March 3, 2015
    Publication date: December 8, 2016
    Applicants: BOE TECHNOLOGY GROUP CO., LTD., ORDOS YUANSHENG OPTOLECTRONICS CO., LTD.
    Inventors: Shanshan BAI, Fengli JI, Jiantao LIU, Jingbo XU, Yinan LIANG
  • Publication number: 20160300892
    Abstract: The present invention provides an organic light emitting diode array substrate, and a display device, which belongs to the field of display technology, and can solve the problem that the sub-pixels of different colors in the existing organic light emitting diode array substrate have different life times.
    Type: Application
    Filed: January 16, 2015
    Publication date: October 13, 2016
    Inventors: Shanshan BAI, Fengli JI, Minghua XUAN, Jiantao LIU, Jingbo XU
  • Publication number: 20160254326
    Abstract: The present invention discloses an OLED display substrate, an OLED display device, and a mask. The OLED display substrate includes a plurality of pixel units, each of which includes a plurality of sub-pixel units arranged in horizontal direction. Each of the plurality of sub-pixel units includes a display region and a non-display region, wherein the display regions in two adjacent columns of the sub-pixel units are arranged in staggered positions. The technical solutions of the present invention effectively solve the problem of color mixture of electroluminescent layers with different colors occurring during vapor deposition of an electroluminescent material, by arranging the display regions in any two adjacent columns of the sub-pixel units in the OLED display substrate in staggered positions.
    Type: Application
    Filed: January 14, 2015
    Publication date: September 1, 2016
    Applicants: Boe Technology Group Co., Ltd., Ordos Yuansheng Optoelectronics Co., Ltd.
    Inventors: Fengli JI, Minghua XUAN, Shanshan BAI, Jiantao LIU, Jingbo XU
  • Publication number: 20160253972
    Abstract: The embodiments of the present invention provide an organic electroluminescent display device, a driving method thereof and a display device. Due to the regular staggered arrangement of sub pixels with the same color on the basal substrate, during the manufacture of a metal mask plate, the distance between adjacent openings corresponding to the sub pixels with the same color in the metal mask plate can be relatively large, improving the strength of the metal mask plate; this is beneficial for manufacturing small-sized sub pixels, thereby further improving the resolution of the organic electroluminescent display device.
    Type: Application
    Filed: February 9, 2015
    Publication date: September 1, 2016
    Inventors: Shanshan BAI, Fengli JI, Minghua XUAN, Jiantao LIU, Jingbo XU
  • Publication number: 20160254327
    Abstract: The present invention provides an array substrate, a mask plate and a display device, relates to the field of OLED display technology, and can solve the problem that the array substrate of an existing OLED has limited resolution because size of the openings and distance between openings cannot be too small. The array substrate of the present invention comprises a plurality of sub-pixels each having a light-emitting layer, wherein the sub-pixels are classified into a plurality of first type sub-pixels arranged in a matrix and second type sub-pixels each arranged between two adjacent first type sub-pixels in both row and column directions; and each second type sub-pixel and at least one first type sub-pixel adjacent thereto have the same color.
    Type: Application
    Filed: January 16, 2015
    Publication date: September 1, 2016
    Inventors: Shanshan BAI, Fengli JI, Minghua XUAN, Jiantao LIU, Jingbo XU
  • Publication number: 20160238499
    Abstract: The present invention discloses an analysis method of a tensioning process of a fine mask plate. The analysis method, based on the simulation function of ANSYS software, finds an appropriate tensile force for stretching a fine mask plate and a corresponding actual counterforce applied to a metal frame before each fine mask plate is welded onto the metal frame through establishing a finite element model of the fine mask plate and a finite element model of the metal frame.. The analysis process requires no physical tests, thereby effectively avoiding damaging the fine mask plate and further effectively saving the test cost.
    Type: Application
    Filed: January 16, 2015
    Publication date: August 18, 2016
    Inventors: Fengli JI, Minghua XUAN, Shanshan BAI, Jiantao LIU, Jingbo XU
  • Publication number: 20160201185
    Abstract: Disclosed are a mask device and a method for assembling the same. The mask device may include a frame; and a mask plate arranged within the frame. The frame may include a first frame and a second frame which are fixed together one on another. The first frame may be made of a shape memory alloy; while the second frame may be made of a metal material whose thermal expansion coefficient is smaller than a predetermined value. And the mask plate is welded to the first frame.
    Type: Application
    Filed: June 19, 2015
    Publication date: July 14, 2016
    Applicants: ORDOS YUANSHENG OPTOELECTRONICS CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Shanshan BAI, Fengli JI, Minghua XUAN