Patents by Inventor Yinan LIANG

Yinan LIANG 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: 20180308907
    Abstract: A pixel arrangement structure for a display device. The pixel arrangement structure may comprise a first pixel and a second pixel. The first pixel and the second pixel are alternately in a row direction and a column direction. The first pixel and the second pixel each comprise a first sub-pixel, a second sub-pixel, and a third sub-pixel. The first sub-pixel, the second sub-pixel, and the third sub-pixel in the first pixel form a triangular distribution. The first sub-pixel, the second sub-pixel, and the third sub-pixel in the second pixel form an inverted triangular distribution relative to the triangular distribution in the first pixel. The second sub-pixel and the third sub-pixel in each of the first pixel and the second pixel are located on substantially the same row.
    Type: Application
    Filed: March 8, 2017
    Publication date: October 25, 2018
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xiaodan Jin, Lujiang Huangfu, Yinan Liang
  • 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: 9960210
    Abstract: The present invention discloses a structure of pixel arrangement and a display device. The structure of pixel arrangement includes a first sub-pixel, and second sub-pixels and third sub-pixels that are provided surrounding the first sub-pixel, the first sub-pixel, portions of the second sub-pixels and portions of the third sub-pixels constituting a virtual rhombus, wherein a center of the first sub-pixel coincides with a center of the virtual rhombus; a center of the second sub-pixel coincides with a first vertex of the virtual rhombus; and a center of the third sub-pixel coincides with a second vertex of the virtual rhombus. Compared with the prior art, the number of sub-pixels required to achieve high resolution display in the present invention is smaller, so that the number of the sub-pixels is decreased.
    Type: Grant
    Filed: July 20, 2015
    Date of Patent: May 1, 2018
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Lujiang Huangfu, Xiaodan Jin, Yinan Liang
  • Publication number: 20180114941
    Abstract: An OLED device comprises an anode, a hole transport layer, an electro-luminescence layer, an electron transport layer and a cathode, which are superposed successively. A hole-side exciton utilization layer for allowing holes to freely pass therethrough is provided between the hole transport layer and the electro-luminescence layer, and/or an electron-side exciton utilization layer for allowing electrons to freely pass therethrough is provided between the electron transport layer and the electro-luminescence layer. Hole-side electro-luminescence material is doped in the hole-side exciton utilization layer, and the energy level of the hole-side electro-luminescence material is lower than that of material of the hole transport layer. Electron-side electro-luminescence material is doped in the electron-side exciton utilization layer, and the energy level of the electron-side electro-luminescence material is lower than that of material of the electron transport layer.
    Type: Application
    Filed: September 28, 2017
    Publication date: April 26, 2018
    Inventors: Dong CHEN, Yinan LIANG, Kening ZHENG
  • Patent number: 9947697
    Abstract: The present disclosure provides a low temperature polycrystalline silicon field effect TFT array substrate and a method for producing the same and a display apparatus.
    Type: Grant
    Filed: September 30, 2014
    Date of Patent: April 17, 2018
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Chunping Long, Yinan Liang, Zheng Liu, Zuqiang Wang, Xueyan Tian
  • Patent number: 9946123
    Abstract: The present disclosure provides a pixel arrangement structure, a display panel and a display device. The pixel arrangement structure includes a plurality of first sub-pixels, a plurality of second sub-pixels and a plurality of third sub-pixels. Each pixel includes one first sub-pixel, each second sub-pixel is shared by at least two adjacent pixels and each third sub-pixel is shared by at least two adjacent pixels. A density of the sub-pixels is 1.5 times larger than a density of the pixels in a first direction of a pixel array, and a density of the sub-pixels is 1.5 times larger than a density of the pixels in a second direction of the pixel array. The first direction is different from the second direction.
    Type: Grant
    Filed: July 30, 2015
    Date of Patent: April 17, 2018
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Lujiang Huangfu, Xiaodan Jin, Yinan Liang, Kelvin Chiang
  • Patent number: 9935155
    Abstract: The present disclosure provides a pixel structure, a display panel, and a display apparatus. The pixel structure includes a plurality of pixel cells having a first pixel cell and a first adjacent pixel cell. Each pixel cell includes a first pixel; and two second pixels and two third pixels, surrounding the first pixel. Each of the two second pixels and the two third pixels is arranged separately in a direction along a side of a virtual rectangular area, the first pixel corresponding to one portion of the virtual rectangular area. Each of the two second pixels and the two third pixels has a first portion arranged in the first pixel cell covered by a first virtual rectangular area, and a second portion arranged in the first adjacent pixel cell covered by a second virtual rectangular area.
    Type: Grant
    Filed: December 10, 2015
    Date of Patent: April 3, 2018
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Lujiang Huangfu, Yinan Liang, Tuo Sun, Zhanjie Ma
  • Publication number: 20180088260
    Abstract: A pixel arrangement structure, a display panel and a display device are provided. The pixel arrangement structure includes a plurality of repeating units, each repeating unit includes one first sub-pixel, one second sub pixel and two third sub-pixels; the four sub-pixels of each repeating unit constitute two pixels, with the first sub-pixel and the second sub-pixel being shared by the two pixels; in a first direction of the pixel array, the sub-pixel density is equal to 1.5 times of the pixel density, in a second direction of the pixel array, the sub-pixel density is equal to 1.5 times of the pixel density; wherein, the first direction and the second direction are different directions.
    Type: Application
    Filed: May 5, 2016
    Publication date: March 29, 2018
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xiaodan JIN, Lujiang HUANGFU, Yinan LIANG
  • Publication number: 20180066351
    Abstract: There is disclosed an evaporation method, including: evaporating evaporation material and forming evaporation material particles towards one or more transfer substrates by means of an evaporation source, so as to form an intermediate material layer on a surface of the transfer substrate; heating the one or more transfer substrates to evaporate the intermediate material layer located on the transfer substrate towards a target substrate, a temperature of the heated transfer substrate being less than a temperature of the evaporation source. There is further disclosed an evaporation device.
    Type: Application
    Filed: March 28, 2016
    Publication date: March 8, 2018
    Inventors: Yinan Liang, Lujiang Huangfu
  • Publication number: 20170369982
    Abstract: A screen tensioning device used during fabrication of mask plate includes a screen tensioning machine base and a jig disposed on the screen tensioning machine base, and further includes a magnetic plate positioned above the screen tensioning machine base, and an upwardly-directed vertical suction force acting on the screen of the mask plate to be fabricated by the magnetic plate is equal to an upwardly-directed vertical suction force acting on the screen of the mask plate by a magnetic field system in a vacuum evaporation chamber during evaporation. A screen tensioning method used during fabrication of mask plate is also provided.
    Type: Application
    Filed: March 2, 2016
    Publication date: December 28, 2017
    Inventors: Lifei MA, Yinan LIANG
  • 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: 9761731
    Abstract: A thin film transistor and its manufacturing method, an array substrate and its manufacturing method, and a display device are provided. The thin film transistor includes a gate electrode, a source electrode, a drain electrode, an active layer and a gate insulation layer. The gate insulation layer is provided above the active layer, the gate, the source electrode and the drain electrode are provided on a same layer above the gate insulation layer, the active layer and the source electrode are connected through a first connection electrode, and the active layer and the drain electrode are connected through a second connection electrode. The thin film transistor can be formed by three times of patterning processes, by which the process time period is shortened, the process yield is improved, and the process cost is reduced, and so on.
    Type: Grant
    Filed: December 17, 2014
    Date of Patent: September 12, 2017
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Chunping Long, Yinan Liang
  • Patent number: 9761616
    Abstract: An array substrate, a manufacturing method thereof and a display device are disclosed. Patterns comprising a gate, a gate insulating layer and a polysilicon active layer are formed on a base substrate by single patterning process. A passivation layer is formed on the substrate surface formed with the patterns, and patterns of a first via and a second via are formed on a surface of the passivation layer by single patterning process. Patterns of a source, a drain and a pixel electrode are formed on the substrate surface formed with the patterns by single patterning process. The source is electrically connected with the polysilicon active layer through the first via, and the drain is electrically connected with the polysilicon active layer through the second via. A pattern of pixel defining layer is formed on the substrate surface formed with the patterns by single patterning process.
    Type: Grant
    Filed: October 1, 2014
    Date of Patent: September 12, 2017
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Chunping Long, Yinan Liang, Lujiang Huangfu
  • Publication number: 20170213992
    Abstract: The embodiments of the present invention provide an organic light emitting diode device, display panel and display device. The existing top emitting series OLED device is improved with a structure of homojunctions; the functional layer of the top emitting series OLED device is also improved. The functional layer comprises a hole injection layer, a hole transport layer, a plurality of light emitting layers, an electron transport layer and an electron injection layer sequentially arranged from the anode. A charge generation layer A and a charge generation layer B are arranged between two directly adjacent light emitting layers. A homojunction is applied in each light emitting unit of the top emitting series OLED device, reducing the types of organic materials and the carrier injection barrier, improving the injection of carriers and the efficiency of the device. The driving voltage of the device is thus reduced.
    Type: Application
    Filed: March 9, 2016
    Publication date: July 27, 2017
    Inventors: Wentao BI, Na LI, Yinan LIANG
  • Patent number: 9680131
    Abstract: An organic light-emitting diode (OLED) panel, a manufacturing method thereof and a display device are provided. The OLED panel comprises: a base substrate, a plurality of OLED units formed on the base substrate, and a reflective structure formed on the base substrate, disposed along the periphery of the OLED units and configured to partially or completely encircle the OLED units. The OLED unit includes an anode layer, an organic emission layer and a cathode layer. The reflective structure is provided with a reflective surface which is configured to reflect light emitted from a side terminal of the organic emission layer to the outside of the OLED panel. The OLED panel can improve the utilization rate of light emitted by the OLED units and hence improve the display quality of the OLED panel.
    Type: Grant
    Filed: August 21, 2014
    Date of Patent: June 13, 2017
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Lujiang Huangfu, Wenyu Ma, Lei Shi, Can Zhang, Yinan Liang
  • Publication number: 20170155052
    Abstract: The present disclosure provides a method for manufacturing a mask plate assembly, which includes providing a mask plate and a frame and securing the mask plate to the frame. The secured mask plate comprises a redundant portion extending out of the frame. The method further comprises removing at least a part of the redundant portion, and dispensing glue in a predetermined area of a surface of the mask plate, and curing the glue to form a colloid, wherein the colloid is higher than any other area on the surface of the mask plate where the colloid is not formed. The present disclosure further provides a mask plate assembly comprising a frame, and a mask plate secured to the frame, wherein a colloid is formed in a predetermined area of a surface of the mask plate, and the colloid is higher than any other area on the surface of the mask plate where the colloid is not formed. The present disclosure further provides an evaporation device and a method for manufacturing the display substrate.
    Type: Application
    Filed: February 25, 2016
    Publication date: June 1, 2017
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Can ZHANG, Yinan LIANG
  • Publication number: 20170104040
    Abstract: The present disclosure provides a pixel structure, a display panel, and a display apparatus. The pixel structure includes a plurality of pixel cells having a first pixel cell and a first adjacent pixel cell. Each pixel cell includes a first pixel; and two second pixels and two third pixels, surrounding the first pixel. Each of the two second pixels and the two third pixels is arranged separately in a direction along a side of a virtual rectangular area, the first pixel corresponding to one portion of the virtual rectangular area. Each of the two second pixels and the two third pixels has a first portion arranged in the first pixel cell covered by a first virtual rectangular area, and a second portion arranged in the first adjacent pixel cell covered by a second virtual rectangular area.
    Type: Application
    Filed: December 10, 2015
    Publication date: April 13, 2017
    Inventors: LUJIANG HUANGFU, YINAN LIANG, TUO SUN, ZHANJIE MA