Patents by Inventor Weilin LAI

Weilin LAI 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: 20190073947
    Abstract: A display method for a display device and the display device are provided. The display device includes multiple gate lines and multiple data lines, each of the gate lines extends in a row direction, and each of the data lines extends in a column direction. The method includes: dividing a display region of the display device into multiple sub-regions, where each of the sub-regions includes all of the data lines in the row direction and includes at least one of the gate lines in the column direction; controlling, when the display device is shut down or powered down, a gate driving circuit of the display device to input a turn-on voltage into the gate lines in each of the sub-regions one by one; and controlling a source driving circuit of the display device to input a voltage corresponding to a grayscale value of 0 to each of the data lines.
    Type: Application
    Filed: September 30, 2017
    Publication date: March 7, 2019
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Chienpang HUANG, Chengte LAI, Weilin LAI
  • Patent number: 10205131
    Abstract: The disclosure provides a mask plate assembly, a method for fabricating an electroluminescent layer, a display panel and a method for driving the same. The mask plate assembly includes a first color mask plate, a second color mask plate, and a third color mask plate each having a plurality of rectangular openings. First openings of the first color mask plate and second openings of the second color mask plate are of a length in a row direction, which is substantially twice as that of third openings of the third color mask plate in the row direction. When the respective mask plates are aligned with one another, the first openings, the second openings, and the third openings are arranged alternately in an order of a first opening, a third opening, a second opening, and another third opening.
    Type: Grant
    Filed: January 14, 2016
    Date of Patent: February 12, 2019
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., ORDOS YUANSHENG OPTOELECTRONICS CO., LTD.
    Inventors: Haidong Wu, Weilin Lai, Juanjuan Bai
  • Patent number: 10181583
    Abstract: An organic light emitting device includes: a substrate (200), and a first electrode layer (201), a second electrode layer (202), a color conversion layer (206), a first light emitting layer (203), and a second light emitting layer (204) that are stacked on the substrate (200), wherein the first light emitting layer (203) is disposed between the first electrode layer (201) and the second electrode layer (202), the first light emitting layer (203) emits the first emission light under electric excitation; the first electrode layer (201) is a transparent electrode layer, the first color conversion layer (206) is disposed at one side of the first electrode layer (201) away from the second electrode layer (202); the second light emitting layer (204) is disposed between the first light emitting layer (203) and the second electrode layer (202), the second light emitting layer (204) emits the second emission light under electric excitation; and a peak wavelength of the first emission light is larger than a peak wavele
    Type: Grant
    Filed: January 20, 2016
    Date of Patent: January 15, 2019
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., ORDOS YUANSHENG OPTOELECTRONICS CO., LTD.
    Inventors: Weilin Lai, Renrong Gai, Xiaojin Zhang, Minghua Xuan
  • Patent number: 10115909
    Abstract: The embodiments of the present invention provide an organic electroluminescent device, a manufacturing method thereof and an electronic equipment. The organic electroluminescent device comprises: an anode layer, a hole transport layer, a first light emitting layer, a second light emitting layer, an electron transport layer, and a cathode layer stacked in sequence; wherein the first light emitting layer and the second light emitting layer comprise a same substrate material; the first light emitting layer and/or the second light emitting layer are doped such that a hole mobility of the first light emitting layer is equal to an electron mobility of the second light emitting layer. In the embodiments of the present invention, two light emitting layers with the same substrate material are applied, which can realize a balanced injection for electrons and holes, thereby improving the efficiency and lifetime of the organic electroluminescent device.
    Type: Grant
    Filed: August 21, 2015
    Date of Patent: October 30, 2018
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., ORDOS YUANSHENG OPTOELECTRONICS CO., LTD.
    Inventors: Haidong Wu, Yun Qiu, Weilin Lai
  • Patent number: 10103349
    Abstract: The embodiments of the present invention provide an electroluminescent device and manufacturing method thereof, display substrate and display device, which relate to the field of display technology. The overall luminous efficiency of the OLED device is improved without reducing the thickness of the metal cathode, ensuring a good display effect of the OLED device. The electroluminescent device comprises a metal cathode layer, a functional layer and a transparent anode layer arranged on a basal substrate; the transparent anode layer is located on the light exit side of the electroluminescent device; the functional layer is located between the metal cathode layer and the transparent anode layer; the functional layer comprises an electron transport layer, an emitting layer and a hole transport layer sequentially arranged from the metal cathode layer.
    Type: Grant
    Filed: November 6, 2015
    Date of Patent: October 16, 2018
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., ORDOS YUANSHENG OPTOELECTRONICS CO., LTD.
    Inventors: Haidong Wu, Minghua Xuan, Weilin Lai, Xiang Feng
  • Patent number: 10084028
    Abstract: A method for manufacturing a display substrate comprises: forming a pixel definition layer on a lower surface of a base so as to define a pixel area; forming a spacer on a lower surface of the pixel definition layer; arranging a mask plate under the spacer; and moving an evaporation source along a first direction parallel to the lower surface of the base, so as to form an organic light emitting layer in the pixel area. When the evaporation source starts forming the organic light emitting layer in the pixel area, the spacer and the mask plate do not block a first border of the evaporation area. Further, when the evaporation source stops forming the organic light emitting layer in the pixel area, the spacer and the mask plate do not block a second border of the evaporation area.
    Type: Grant
    Filed: January 10, 2017
    Date of Patent: September 25, 2018
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., ORDOS YUANSHENG OPTOELECTRONICS CO., LTD.
    Inventors: Fan Yang, Kun Guo, Tianyi Cheng, Yi Zhang, Yuqing Yang, Liman Peng, Yan Wu, Wenbin Yang, Qi Liu, Weilin Lai, Liangliang Liu, Zhiyong Yang
  • Publication number: 20180212201
    Abstract: This disclosure provides an OLED light-emitting device, a production method thereof as well as a display apparatus, and relates to the technical field of OLED display, which can enhance the internal quantum efficiency of a blue OLED light-emitting device. This OLED light-emitting device comprises a substrate, and an anode, a hole transport layer, a blue light-emitting layer and a cathode provided on the substrate; the OLED light-emitting device further comprises an Ag nanolayer located between the anode and the hole transport layer; wherein the blue light-emitting layer is a blue phosphorescent light-emitting layer; the absorption spectrum of the Ag nanolayer overlaps the emission spectrum of the blue phosphorescent light-emitting layer, and the blue phosphorescent light-emitting layer is located within the penetration depth of surface plasma of Ag nanoparticles in the Ag nanolayer. It is used in the production of a blue OLED light-emitting device and a display apparatus comprising the same.
    Type: Application
    Filed: December 14, 2015
    Publication date: July 26, 2018
    Inventors: Juanjuan BAI, Weilin LAI, Minghua XUAN, Liang SUN
  • Publication number: 20180212011
    Abstract: The present disclosure provides an array substrate, its manufacturing method, and a display apparatus. The array substrate includes a monocrystalline silicon layer and an array circuit layer. The array circuit layer is disposed over the monocrystalline silicon layer. The array circuit layer comprises a scan drive circuit, a data drive circuit, and a plurality of pixel circuits. The scan drive circuit and the data drive circuit are configured to respectively control a plurality of scan lines and a plurality of data lines to in turn drive a plurality of pixels. Each of the plurality of pixel circuits is configured to drive one of the plurality of pixels to emit light under control of at least one of the plurality of scan lines and at least one of the plurality of data lines; and the scan drive circuit, the data drive circuit, and the plurality of pixel circuits comprise a plurality of thin film transistors (TFTs), each having an active region disposed in the monocrystalline silicon layer.
    Type: Application
    Filed: October 13, 2016
    Publication date: July 26, 2018
    Applicants: BOE TECHNOLOGY GROUP CO., LTD., ORDOS YUANSHENG OPTOELECTRONICS CO., LTD.
    Inventors: Weilin LAI, Yucheng CHAN, Jianbang HUANG
  • Patent number: 9990879
    Abstract: The present disclosure provides a display device. A solar cell module is integrated into a body of the display device. A photosensitive control module is configured to detect a brightness value of current ambient light being incident on the display device, and when the detected brightness value meets a predetermined condition, switch a power supply of the display device from a local cell to the solar cell module, so as to supply the electric energy stored in the solar cell module to the display device.
    Type: Grant
    Filed: March 16, 2016
    Date of Patent: June 5, 2018
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., ORDOS YUANSHENG OPTOELECTRONICS CO., LTD.
    Inventors: Weilin Lai, Renrong Gai
  • Patent number: 9953560
    Abstract: The present disclosure provides a display device. A solar cell module is integrated into a body of the display device. A photosensitive control module is configured to detect a brightness value of current ambient light being incident on the display device, and when the detected brightness value meets a predetermined condition, switch a power supply of the display device from a local cell to the solar cell module, so as to supply the electric energy stored in the solar cell module to the display device.
    Type: Grant
    Filed: March 16, 2016
    Date of Patent: April 24, 2018
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., ORDOS YUANSHENG OPTOELECTRONICS CO., LTD.
    Inventors: Weilin Lai, Renrong Gai
  • Publication number: 20180090548
    Abstract: A method for manufacturing a display substrate comprises: forming a pixel definition layer on a lower surface of a base so as to define a pixel area; forming a spacer on a lower surface of the pixel definition layer; arranging a mask plate under the spacer; and moving an evaporation source along a first direction parallel to the lower surface of the base, so as to form an organic light emitting layer in the pixel area. When the evaporation source starts forming the organic light emitting layer in the pixel area, the spacer and the mask plate do not block a first border of the evaporation area. Further, when the evaporation source stops forming the organic light emitting layer in the pixel area, the spacer and the mask plate do not block a second border of the evaporation area.
    Type: Application
    Filed: January 10, 2017
    Publication date: March 29, 2018
    Inventors: Fan YANG, Kun GUO, Tianyi CHENG, Yi ZHANG, Yuqing YANG, Liman PENG, Yan WU, Wenbin YANG, Qi LIU, Weilin LAI, Liangliang LIU, Zhiyong YANG
  • Patent number: 9876191
    Abstract: The present invention provides an OLED panel, a packaging method thereof and a display device. The OLED panel includes a packaging coverplate and an OLED substrate opposite to each other, the OLED substrate having a display area and a packaging area surrounding the display area; and glass glue provided between the packaging coverplate and the OLED substrate and corresponding to the packaging area, and the OLED panel further includes a support structure provided at a side of the glass glue away from the display area, the support structure being used for supporting the packaging coverplate and the OLED substrate when cutting a display motherboard to form the OLED panel.
    Type: Grant
    Filed: May 19, 2016
    Date of Patent: January 23, 2018
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., ORDOS YUANSHENG OPTOELECTRONICS, CO., LTD.
    Inventors: Renrong Gai, Weilin Lai
  • Publication number: 20170365821
    Abstract: The disclosure provides a mask plate assembly, a method for fabricating an electroluminescent layer, a display panel and a method for driving the same. The mask plate assembly includes a first color mask plate, a second color mask plate, and a third color mask plate each having a plurality of rectangular openings. First openings of the first color mask plate and second openings of the second color mask plate are of a length in a row direction, which is substantially twice as that of third openings of the third color mask plate in the row direction. When the respective mask plates are aligned with one another, the first openings, the second openings, and the third openings are arranged alternately in an order of a first opening, a third opening, a second opening, and another third opening.
    Type: Application
    Filed: January 14, 2016
    Publication date: December 21, 2017
    Inventors: Haidong WU, Weilin LAI, Juanjuan BAI
  • 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
  • Patent number: 9735395
    Abstract: An organic light emitting diode (OLED) device includes a cathode, an anode and an organic function layer interposed between the cathode and the anode. A material of the cathode is at least one of a metal and a metal alloy. The light emitted from the organic function layer exits at least through the cathode. The organic light emitting diode device further includes an anti-reflective layer on a side of the cathode that faces away from the organic function layer. The anti-reflective layer includes a first surface and a second surface opposite to each other. The first surface contacts the cathode. External light reflected by the first surface and external light reflected by the second surface interfere destructively.
    Type: Grant
    Filed: April 20, 2016
    Date of Patent: August 15, 2017
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., ORDOS YUANSHENG OPTOELECTRONICS CO., LTD.
    Inventors: Haidong Wu, Weilin Lai, Qun Ma
  • Publication number: 20170194589
    Abstract: The application provides an organic light emitting device, a method of fabricating the organic light emitting device, and a display device. The organic light emitting device comprises an anode layer, a cathode layer, and a light emitting layer provided between the anode layer and the cathode layer, and further comprises a carrier velocity adjustment layer provided between the light emitting layer and at least one of the anode layer and the cathode layer, and the carrier velocity adjustment layer is used for adjusting an injection rate of a carrier.
    Type: Application
    Filed: January 27, 2016
    Publication date: July 6, 2017
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Haidong WU, Weilin LAI, Kai CHEN, Juanjuan BAI, Wenyu MA
  • Publication number: 20170186822
    Abstract: The present application discloses a light emitting diode, comprising a pixel unit comprising at least a first sub-pixel in a first region, a second sub-pixel in a second region and a third sub-pixel in a third region; a first electrode layer comprising a first sub-electrode for driving the first sub-pixel, a second sub-electrode for driving the second sub-pixel, and a third sub-electrode for driving the third sub-pixel; a second electrode layer opposite to the first electrode layer; and a light emitting unit between the first electrode layer and the second electrode layer. The light emitting unit comprises a first light emitting layer in the first sub-pixel for emitting light of a first color; a second light emitting layer in the second sub-pixel for emitting light of a second color; and a third light emitting layer in the third sub-pixel for emitting light of a third color. The second light emitting layer is in a same layer as the first light emitting layer.
    Type: Application
    Filed: February 22, 2016
    Publication date: June 29, 2017
    Applicants: BOE TECHNOLOGY GROUP CO., LTD., Ordos Yuansheng Optoelectronics Co., Ltd.
    Inventors: Weilin Lai, Juanjuan Bai, Renrong Gai, Minghua Xuan
  • Publication number: 20170179442
    Abstract: The disclosure provides a mask plate assembly, a method for fabricating an electroluminescent layer, a display panel and a method for driving the same. The mask plate assembly includes a first color mask plate, a second color mask plate, and a third color mask plate each having a plurality of rectangular openings. First openings of the first color mask plate and second openings of the second color mask plate are of a length in a row direction, which is substantially twice as that of third openings of the third color mask plate in the row direction. When the respective mask plates are aligned with one another, the first openings, the second openings, and the third openings are arranged alternately in an order of a first opening, a third opening, a second opening, and another third opening.
    Type: Application
    Filed: January 14, 2016
    Publication date: June 22, 2017
    Inventors: Haidong WU, Weilin LAI, Juanjuan BAI
  • Publication number: 20170179405
    Abstract: The embodiments of the present invention provide an organic electroluminescent device, a manufacturing method thereof and an electronic equipment. The organic electroluminescent device comprises: an anode layer, a hole transport layer, a first light emitting layer, a second light emitting layer, an electron transport layer, and a cathode layer stacked in sequence; wherein the first light emitting layer and the second light emitting layer comprise a same substrate material; the first light emitting layer and/or the second light emitting layer are doped such that a hole mobility of the first light emitting layer is equal to an electron mobility of the second light emitting layer. In the embodiments of the present invention, two light emitting layers with the same substrate material are applied, which can realize a balanced injection for electrons and holes, thereby improving the efficiency and lifetime of the organic electroluminescent device.
    Type: Application
    Filed: August 21, 2015
    Publication date: June 22, 2017
    Inventors: Haidong Wu, Yun Qiu, Weilin Lai
  • Publication number: 20170170424
    Abstract: An electroluminescent device and its manufacturing method, a display substrate and a display device are disclosed. The electroluminescent device includes a substrate and a cathode layer-disposed on the substrate; the cathode layer is disposed at an emitting side of the electroluminescent device, the cathode layer comprises a transparent electrode layer and a metal electrode layer, and the transparent electrode layer-and the metal electrode layer are stacked together. The surface resistance of the cathode, the driving voltage and energy consumption of the electroluminescent device are remarkably reduced.
    Type: Application
    Filed: November 6, 2015
    Publication date: June 15, 2017
    Inventors: Haidong WU, Minghua XUAN, Weilin LAI, Qun MA