Patents by Inventor Wenfeng Song

Wenfeng Song 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: 11233099
    Abstract: A display panel, a method for manufacturing the same, and a display device are disclosed. The display panel comprises: a first substrate; a plurality of pixel structures disposed on a surface of the first substrate, each of the pixel structures comprising a first sub-pixel, a second sub-pixel, a third sub-pixel and a white sub-pixel; and a photochromic layer, wherein an orthographic projection of the photochromic layer on the first substrate is covered by an orthographic projection of the white sub-pixel on the first substrate.
    Type: Grant
    Filed: April 25, 2019
    Date of Patent: January 25, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventor: Wenfeng Song
  • Publication number: 20210408442
    Abstract: The present application discloses a display substrate. The display substrate may include a base substrate and a plurality of light emitting structures on the base substrate. Each of the plurality of the light emitting structures includes a first electrode, a light emitting layer, a transparent electrode, an optical adjustment layer and a second electrode, arranged along a direction away from the base substrate. Optical thicknesses of optical adjustment layers in at least two of the plurality of light emitting structures are different.
    Type: Application
    Filed: June 24, 2019
    Publication date: December 30, 2021
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventor: Wenfeng Song
  • Patent number: 11189811
    Abstract: An organic light emitting diode display panel, a manufacturing method thereof, and a display device are disclosed. The organic light emitting diode display panel includes: a base substrate; a light emitting layer on the base substrate, a spectral width at 10%-15% of a maximum spectral intensity of an emission spectrum of the light emitting layer is not less than 200 nm, and a yellow-green wave band of the emission spectrum includes at least one peak located between 550 nm-562 nm.
    Type: Grant
    Filed: April 11, 2018
    Date of Patent: November 30, 2021
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Chang Yen Wu, Youngsuk Song, Wenfeng Song, Wei Li, Chun I Lin
  • Publication number: 20210367184
    Abstract: A display substrate, a manufacturing method thereof, and a display device are disclosed. The display substrate includes a base substrate; a pixel defining layer on the base substrate, the pixel defining layer includes a plurality of openings, the pixel defining layer includes a first pixel defining layer, a conductive layer, and a second pixel defining layer which are stacked, in the pixel defining layer in at least a peripheral region of the display substrate, an orthographic projection of the conductive layer on the base substrate completely falls within an orthographic projection of the second pixel defining layer on the base substrate; and an electroluminescent unit including a transparent electrode the transparent electrode is electrically connected with the conductive layer in the pixel defining layer in at least the peripheral region of the display substrate.
    Type: Application
    Filed: August 17, 2018
    Publication date: November 25, 2021
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventor: Wenfeng SONG
  • Patent number: 11158835
    Abstract: A manufacturing method of a display substrate, a display substrate and a display device are disclosed. In the manufacturing method of the display substrate, the display substrate includes a pixel region, the pixel region includes a plurality of pixel units arranged in an array, and each of the pixel units includes an active display region and a peripheral region located around the active display region. The manufacturing method includes: forming a plurality of spacers in the peripheral region through an ink-jet printing process, and each of the plurality of spacers includes an adhesive material and at least one kind of nanoparticles doped in the adhesive material.
    Type: Grant
    Filed: October 31, 2017
    Date of Patent: October 26, 2021
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventor: Wenfeng Song
  • Publication number: 20210305528
    Abstract: An organic electroluminescent device, a method for fabricating the same, and a light emitting apparatus are disclosed. The organic electroluminescent device comprises a first light emitting layer and a second light emitting layer arranged on a surface of the first light emitting layer at a first side, and partially covers the surface of the first light emitting layer at the first side. Both the first and second light emitting layers are made from a material which has a larger mobility for a first carrier than a second carrier. Light emitting regions of the second light emitting layer and the regions of the first light emitting layer not covered by the second light emitting layer are configured to emit light of different colors at a preset light emitting ratio. A light emitting area ratio between a surface of each light emitting region and surfaces of the regions of the first light emitting layer not covered by the second light emitting layer is preset according to the preset light emitting ratio.
    Type: Application
    Filed: May 11, 2018
    Publication date: September 30, 2021
    Inventors: Changyen WU, Wenfeng SONG
  • Patent number: 11114647
    Abstract: Disclosed are a pixel element, a method for fabricating same, a display control method, a display panel. The pixel element includes a base substrate, display and non-display areas on the base substrate, a control electrode, an adjustment layer, a transparent electrode in the non-display area, the transparent electrode and the adjustment layer are arranged in a stack, the control electrode is at the interface between display and non-display areas, and surrounds the adjustment layer, and there is a gap area between the control electrode and the adjustment layer; and the adjustment layer includes charged particles configured to move to the control electrode and the transparent electrode under control of first and second electric fields, the first and second electric fields are created after signals are applied to the control electrode and the transparent electrode, and direction of the first electric field is opposite to direction of the second electric field.
    Type: Grant
    Filed: January 31, 2019
    Date of Patent: September 7, 2021
    Assignee: BOE Technology Group Co., Ltd.
    Inventor: Wenfeng Song
  • Patent number: 11081678
    Abstract: A display panel, a method for fabricating the same, and a display device are disclosed, where the display panel includes: a base substrate, sub-pixel units in at least two colors on the base substrate, and an anti-reflection layer on a side of the sub-pixel units away from the base substrate, wherein the anti-reflection layer includes anti-reflection components arranged in an array, which correspond to the sub-pixel units in a one-to-one manner, and are configured to alleviate reflected light in the same colors as the corresponding sub-pixel units, and sub-pixel units in different colors correspond to different anti-reflection components.
    Type: Grant
    Filed: November 21, 2019
    Date of Patent: August 3, 2021
    Assignee: BOE Technology Group Co., Ltd.
    Inventor: Wenfeng Song
  • Publication number: 20210210731
    Abstract: The present disclosure provides an OLED display panel and an OLED display device, and belongs to the field of display technology. The OLED display panel of the present disclosure includes a base substrate and a display cover disposed opposite to each other; a polarizing layer disposed between the base substrate and the display cover; a light extraction layer disposed between the base substrate and the display cover; the OLED display panel is provided with a light exit surface, and the light extraction layer is closer to the light exit surface than the polarizing layer.
    Type: Application
    Filed: January 19, 2020
    Publication date: July 8, 2021
    Inventors: Changyen WU, Guang YAN, Wenfeng SONG, Linlin WANG
  • Publication number: 20210167325
    Abstract: The present disclosure discloses a thin film package structure, a thin film packaging method and a display device. The thin film package structure includes: an inorganic layer, a buffer layer and an organic layer successively covering an external of an electroluminescence unit structure from inside to outside; composition of said buffer layer is organic, and a thickness of said buffer layer is less than that of said organic layer. The thin film packaging method includes: covering a buffer layer on an inorganic layer encapsulating an electroluminescence unit structure; covering an organic layer on a surface of said buffer layer; composition of said buffer layer is organic, and a thickness of said buffer layer is less than that of said organic layer.
    Type: Application
    Filed: September 22, 2017
    Publication date: June 3, 2021
    Inventor: Wenfeng SONG
  • Publication number: 20210098730
    Abstract: An organic light emitting diode display panel, a manufacturing method thereof, and a display device are disclosed. The organic light emitting diode display panel includes: a base substrate; a light emitting layer on the base substrate, a spectral width at 10%-15% of a maximum spectral intensity of an emission spectrum of the light emitting layer is not less than 200 nm, and a yellow-green wave band of the emission spectrum includes at least one peak located between 550 nm-562 nm.
    Type: Application
    Filed: April 11, 2018
    Publication date: April 1, 2021
    Inventors: Chang Yen WU, Youngsuk SONG, Wenfeng SONG, Wei LI, Chun I LIN
  • Publication number: 20200303671
    Abstract: A manufacturing method of a display substrate, a display substrate and a display device are disclosed. In the manufacturing method of the display substrate, the display substrate includes a pixel region, the pixel region includes a plurality of pixel units arranged in an array, and each of the pixel units includes an active display region and a peripheral region located around the active display region. The manufacturing method includes: forming a plurality of spacers in the peripheral region through an ink-jet printing process, and each of the plurality of spacers includes an adhesive material and at least one kind of nanoparticles doped in the adhesive material.
    Type: Application
    Filed: October 31, 2017
    Publication date: September 24, 2020
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventor: Wenfeng SONG
  • Publication number: 20200220111
    Abstract: A display panel, a method for fabricating the same, and a display device are disclosed, where the display panel includes: a base substrate, sub-pixel units in at least two colors on the base substrate, and an anti-reflection layer on a side of the sub-pixel units away from the base substrate, wherein the anti-reflection layer includes anti-reflection components arranged in an array, which correspond to the sub-pixel units in a one-to-one manner, and are configured to alleviate reflected light in the same colors as the corresponding sub-pixel units, and sub-pixel units in different colors correspond to different anti-reflection components.
    Type: Application
    Filed: November 21, 2019
    Publication date: July 9, 2020
    Inventor: Wenfeng SONG
  • Publication number: 20200220110
    Abstract: Disclosed are a pixel element, a method for fabricating same, a display control method, a display panel. The pixel element includes a base substrate, display and non-display areas on the base substrate, a control electrode, an adjustment layer, a transparent electrode in the non-display area, the transparent electrode and the adjustment layer are arranged in a stack, the control electrode is at the interface between display and non-display areas, and surrounds the adjustment layer, and there is a gap area between the control electrode and the adjustment layer; and the adjustment layer includes charged particles configured to move to the control electrode and the transparent electrode under control of first and second electric fields, the first and second electric fields are created after signals are applied to the control electrode and the transparent electrode, and direction of the first electric field is opposite to direction of the second electric field.
    Type: Application
    Filed: January 31, 2019
    Publication date: July 9, 2020
    Inventor: Wenfeng SONG
  • Publication number: 20200098836
    Abstract: A display panel, a method for manufacturing the same, and a display device are disclosed. The display panel comprises: a first substrate; a plurality of pixel structures disposed on a surface of the first substrate, each of the pixel structures comprising a first sub-pixel, a second sub-pixel, a third sub-pixel and a white sub-pixel; and a photochromic layer, wherein an orthographic projection of the photochromic layer on the first substrate is covered by an orthographic projection of the white sub-pixel on the first substrate.
    Type: Application
    Filed: April 25, 2019
    Publication date: March 26, 2020
    Inventor: Wenfeng Song
  • Patent number: 10446785
    Abstract: A light-emitting substrate and a method for manufacturing the light-emitting substrate are provided. In the light-emitting substrate, each of a plurality of pixel units includes an anode and a light-emitting layer sequentially provided on a base substrate, the light-emitting substrate further includes a cathode layer covering the plurality of pixel units and a region which is between the adjacent ones of the pixel units, an auxiliary electrode is provided below the cathode layer, the auxiliary electrode includes a plurality of auxiliary electrode strips which include a plurality of first auxiliary electrode strips extending along an extension direction of each pixel unit row and/or a plurality of second auxiliary electrode strips extending along an extension direction of each pixel unit column, and at least a part of the plurality of auxiliary electrode strips is electrically connected to the cathode layer.
    Type: Grant
    Filed: June 5, 2018
    Date of Patent: October 15, 2019
    Assignee: BOE Technology Group Co., Ltd.
    Inventor: Wenfeng Song
  • Publication number: 20190044090
    Abstract: A light-emitting substrate and a method for manufacturing the light-emitting substrate are provided. In the light-emitting substrate, each of a plurality of pixel units includes an anode and a light-emitting layer sequentially provided on a base substrate, the light-emitting substrate further includes a cathode layer covering the plurality of pixel units and a region which is between the adjacent ones of the pixel units, an auxiliary electrode is provided below the cathode layer, the auxiliary electrode includes a plurality of auxiliary electrode strips which include a plurality of first auxiliary electrode strips extending along an extension direction of each pixel unit row and/or a plurality of second auxiliary electrode strips extending along an extension direction of each pixel unit column, and at least a part of the plurality of auxiliary electrode strips is electrically connected to the cathode layer.
    Type: Application
    Filed: June 5, 2018
    Publication date: February 7, 2019
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventor: Wenfeng SONG
  • Patent number: 10050092
    Abstract: An array substrate, a manufacturing method thereof and a display device are disclosed. The array substrate includes a substrate (10) and first thin-film transistors (TFTs) (21) and first electrodes (40) formed on the substrate (10). The first TFT (21) includes a gate electrode (200), an active layer (202), a source electrode (205) and a drain electrode (204). The first electrode (40) is electrically connected with the drain electrode (204) of the first TFT (21), at least covers an area of the active layer (202) of the first TFT, not overlapped with the source electrode (205) and the drain electrode (204), and can absorb ultraviolet (UV) light. The array substrate can solve the problem of reducing the display performance of the display device as the performances degrade and even fail due to UV irradiation of the TFTs.
    Type: Grant
    Filed: April 16, 2015
    Date of Patent: August 14, 2018
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Jiangbo Chen, Can Wang, Huifeng Wang, Wenfeng Song
  • Patent number: 9917254
    Abstract: An OLED encapsulation package, a display device and a packaging method are disclosed. The OLED encapsulation package includes a substrate, a cover board and a encapsulation unit located between the substrate and the cover board; the substrate is provided with display components thereon, and the encapsulation unit encapsulates the periphery of the display components; the encapsulation unit includes at least a moisture sensitive layer therein, and the moisture sensitive layer is capable of discoloring upon encountering with water.
    Type: Grant
    Filed: August 26, 2016
    Date of Patent: March 13, 2018
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Chengyuan Luo, Donghui Yu, Wenfeng Song
  • Patent number: 9865842
    Abstract: An OLED display panel and a method of encapsulating the same, and a display device are disclosed. The OLED display panel includes: a first substrate and a second substrate which are disposed oppositely, a first sealing agent, a second sealing agent and a plurality of barrier blocks. The first sealing agent is provided between the first substrate and the second substrate and forms a sealing space with the first substrate and the second substrate; the second sealing agent is filled in the sealing space formed by the first substrate, the second substrate and the first sealing agent; and the plurality of barrier blocks are disposed in the sealing space formed by the first substrate, the second substrate and the first sealing agent and are arranged along the first sealing agent at an interval.
    Type: Grant
    Filed: August 29, 2016
    Date of Patent: January 9, 2018
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventor: Wenfeng Song