Patents by Inventor Guoying Wang

Guoying Wang 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: 20210013445
    Abstract: An organic light emitting display panel includes a cover plate and a back plate. The cover plate includes a cover plate glass on which three color films of R, G and B are formed. The cover plate includes an insulating cover layer covering the cover plate glass. The cover plate includes a BM area formed over the insulating cover layer and defining a pixel area. The cover plate includes a spacer pillar formed in the BM area. The cover plate includes an auxiliary cathode formed over the spacer pillar and the insulating cover layer. The back plate includes: an active layer array; a planarization layer formed on the active layer array, having a boss corresponding to the pixel area; and an OLED device formed on the boss.
    Type: Application
    Filed: March 18, 2019
    Publication date: January 14, 2021
    Inventors: Zhen Song, Guoying Wang
  • Publication number: 20210005644
    Abstract: The present disclosure provides a display substrate, a method for preparing the same, and a display device. The method for preparing the display substrate includes a step of preparing a pixel driving circuit on a substrate, the step specifically includes: preparing a first active layer of an oxide transistor on the substrate; preparing a barrier layer on a surface of the first active layer away from the substrate, an orthogonal projection of the barrier layer on the substrate covering an orthogonal projection of the first active layer on the substrate; preparing a low-temperature polysilicon transistor is on the substrate; and preparing a first gate insulating layer, a first gate electrode, a first input electrode, and a first output electrode of the oxide transistor on the substrate.
    Type: Application
    Filed: June 29, 2020
    Publication date: January 7, 2021
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Zhen Song, Guoying Wang
  • Patent number: 10886409
    Abstract: A display backplate and a fabrication method thereof, a display panel and a display device are provided. The display backplate includes: a substrate; a first light shielding layer, provided on the substrate; a first thin film transistor, provided on a side of the first light shielding layer facing away from the substrate, and including a first active layer, a first source electrode, a first drain electrode and a first top-gate electrode; a first layer, including a first semiconductor portion and a first conductor portion, the first semiconductor portion constituting the first active layer; and a third electrode, the first conductor portion being provided between the first light shielding layer and the third electrode. The first light shielding layer and the first conductor portion form a first capacitance, and the third electrode and the first conductor portion form a second capacitance.
    Type: Grant
    Filed: October 25, 2018
    Date of Patent: January 5, 2021
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Zhen Song, Guoying Wang
  • Patent number: 10872933
    Abstract: The present disclosure relates to the field of the display technology and provides a display substrate and a manufacturing method thereof, a display panel, and a display apparatus. The manufacturing method of the display substrate includes forming an optical compensation control thin film transistor on a side of a base substrate; forming a conductor protective layer on a side of the optical compensation control thin film transistor facing away from the base substrate; forming an optical detecting device material layer on a side of the conductor protective layer facing away from the base substrate; forming an optical detecting device through patterning the optical detecting device material layer; and forming a conductor pattern layer through patterning the conductor protective layer; where, the optical detecting device is electrically connected with a source electrode or a drain electrode of the optical compensation control thin film transistor through the conductor pattern layer.
    Type: Grant
    Filed: September 11, 2019
    Date of Patent: December 22, 2020
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Guoying Wang, Zhen Song
  • Publication number: 20200335554
    Abstract: An optical sensor device, a method for fabricating the same, and a display device are disclosed. The optical sensor device includes a display region and a non-display region. In the display region, the optical sensor device includes a thin film transistor, including an active layer, a gate insulating layer, a gate layer, a source and drain layer, and an interlayer dielectric layer. In the non-display region, the optical sensor device includes a first insulating layer, a conductive layer and a second insulating layer which are stacked sequentially. The conductive layer is arranged in a same layer as the source and drain layer or the gate layer. In the non-display region, the first insulating layer is provided with a first through-hole, and the optical sensor device further includes a photo-sensitive device in the first through-hole.
    Type: Application
    Filed: June 11, 2019
    Publication date: October 22, 2020
    Inventors: Guoying WANG, Zhen SONG
  • Patent number: 10811436
    Abstract: The present disclosure provides an array substrate and a method for manufacturing the same, a display apparatus. The array substrate includes a base substrate and a plurality of pixel units arranged on the base substrate, each of the pixel units includes a thin film transistor and an electroluminescent device, the thin film transistor and the electroluminescent device are successively arranged on the base substrate in a direction away from the base substrate, the electroluminescent device includes a first electrode, a light emitting layer and a second electrode which are successively arranged in the direction away from the base substrate, the first electrode includes a reflective material, a convex structure is provided between first electrodes of any two adjacent electroluminescent devices, and the first electrodes of the electroluminescent devices extend to side walls of the convex structure, respectively.
    Type: Grant
    Filed: May 30, 2018
    Date of Patent: October 20, 2020
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Guoying Wang, Zhen Song
  • Publication number: 20200321408
    Abstract: Disclosed are an array substrate, a preparation method thereof, a display panel and a display device. The array substrate includes a base substrate, a first thin film transistor, a photosensitive sensor, and a dielectric layer. The first thin film is on the base substrate and includes a gate, a drain, a source and a conductive channel between the drain and the source. The photosensitive sensor has the drain of the first thin film transistor as an electrode of the photosensitive sensor. The dielectric layer covers the conductive channel of the first thin film transistor, where the dielectric layer is a metal oxide film.
    Type: Application
    Filed: June 24, 2020
    Publication date: October 8, 2020
    Inventors: Guoying WANG, Zhen SONG
  • Patent number: 10797124
    Abstract: The present application provides an organic light emitting display substrate and a method of fabricating the same. The organic light emitting display substrate includes: a base substrate; and a driving transistor provided on the base substrate, wherein the driving transistor includes: an active layer; a first insulating layer having at least one sub-layer covering the active layer and having a first via hole therein; and a source electrode and a drain electrode disposed on a side of the first insulating layer distal to the base substrate, and connected to the active layer through the first via hole in the first insulating layer.
    Type: Grant
    Filed: June 28, 2019
    Date of Patent: October 6, 2020
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Zhen Song, Guoying Wang
  • Patent number: 10777686
    Abstract: The present disclosure provides a thin film transistor and a method for manufacturing the same, an array substrate and a display panel. The thin film transistor includes a base substrate; a partially transparent layer on one side of the base substrate; a first gate electrode on one side of the partially transparent layer away from the base substrate; a second gate insulation layer on one side of the first gate electrode away from the base substrate; and an active layer on one side of the second gate insulation layer away from the base substrate. An orthographic projection of the partially transparent layer to the base substrate covers an orthographic projection of the active layer to the base substrate.
    Type: Grant
    Filed: November 28, 2018
    Date of Patent: September 15, 2020
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Guoying Wang, Zhen Song
  • Patent number: 10777627
    Abstract: The present disclosure provides an organic light emitting display substrate and a method for manufacturing the same. The organic light emitting display substrate includes a substrate, and a drive transistor and an organic light emitting diode disposed on the substrate. In a direction away from the substrate, the organic light emitting diode successively includes: a first reflective electrode, an organic light emitting layer, and a second reflective electrode. A drain of the drive transistor is electrically coupled to the first reflective electrode. The organic light emitting display substrate further includes a light guide layer. One side surface of the light guide layer is the light incident surface. The light incident surface is disposed opposite to the light outgoing surface of the organic light emitting diode so that the light emitted from the light outgoing surface enters the light guide layer.
    Type: Grant
    Filed: June 26, 2019
    Date of Patent: September 15, 2020
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Zhen Song, Guoying Wang
  • Patent number: 10770532
    Abstract: A display substrate according to an embodiment of the present disclosure comprises a substrate and a plurality of pixel units on the substrate, at least one of the plurality of pixel units comprising a light-emitting unit, a photosensitive unit for detecting light emitted by the light-emitting unit, and an interlayer insulating layer between the photosensitive unit and the light-emitting unit, wherein the interlayer insulating layer comprises a groove, an orthogonal projection of which on the substrate does not coincide with an orthogonal projection of the photosensitive unit on the substrate, and the light-emitting unit covers the groove.
    Type: Grant
    Filed: July 18, 2019
    Date of Patent: September 8, 2020
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Zhen Song, Guoying Wang
  • Publication number: 20200251678
    Abstract: The present disclosure provides an organic electroluminescent display panel, a manufacturing method thereof, and a display device. The organic electroluminescent display panel includes a base substrate including a plurality of pixel regions and a non-pixel region between adjacent pixel regions. Each pixel region includes a reflective anode, the non-pixel region includes a support portion and a reflective portion on top of the support portion. For each reflective anode and a reflective portion directly adjacent to the reflective anode, a gap is between the reflective anode and the reflective portion, and an orthographic projection of the reflective anode on the base substrate and an orthographic projection of the reflective portion on the base substrate have a common edge.
    Type: Application
    Filed: June 18, 2019
    Publication date: August 6, 2020
    Inventors: Zhen SONG, Guoying WANG
  • Publication number: 20200251537
    Abstract: The present disclosure provides an optical sensor, a manufacturing method thereof, a display device, and a display apparatus, and relates to the display technology. The optical sensor includes a thin film transistor and a PIN diode on a surface of a drain of the thin film transistor. A material of a P region of the PIN diode, a material of an I region of the PIN diode, and a material of an N region of the PIN diode are oxides. Since the PIN diode is made of oxides rather than amorphous silicon, hydrogen is not introduced. Therefore, the performance of the thin film transistor will not be affected, thereby achieving the improvement of the performance of the display device and the display effect.
    Type: Application
    Filed: May 24, 2019
    Publication date: August 6, 2020
    Inventors: Guoying WANG, Zhen SONG, Yicheng LIN, Ling WANG, Cuili GAI, Pan XU
  • Publication number: 20200251680
    Abstract: The present disclosure relates to a display panel, a display device, and a method of manufacturing the display panel. The display panel includes a first substrate and a second substrate opposite to each other, a bonding portion that bonds a first peripheral region of the first substrate and a second peripheral region of the second substrate, and a protrusion disposed on at least one of the first peripheral region of the first substrate and the second peripheral region of the second substrate. Wherein the protrusion is embedded in the bonding portion.
    Type: Application
    Filed: September 6, 2019
    Publication date: August 6, 2020
    Inventors: Guoying WANG, Zhen SONG, Yicheng LIN, Ling WANG, Pan XU
  • Patent number: 10727280
    Abstract: A substrate, a display device including the substrate and a method of manufacturing the substrate are disclosed. The substrate includes: a base substrate; an overcoat layer on the base substrate; and a spacer on a surface of the overcoat layer facing away from the base substrate. The spacer is in direct contact with the surface of the overcoat layer facing away from the base substrate.
    Type: Grant
    Filed: May 28, 2018
    Date of Patent: July 28, 2020
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Guoying Wang, Zhen Song
  • Patent number: 10720479
    Abstract: The disclosure discloses a display substrate, a method for fabricating the same, and a display device. The display substrate includes: a light-shielding metal layer pattern on a base substrate; a photo-sensitive sensing element layer on the light-shielding metal layer pattern, wherein an orthographic projection of the photo-sensitive sensing element layer onto the base substrate lies in an overlapping area of orthographic projections of the light-shielding metal layer pattern and the sub-pixel areas onto the base substrate; a buffer layer on the photo-sensitive sensing element layer; and a compensation control TFT and a signal line on the buffer layer, wherein a source electrode of the compensation control TFT is electrically connected with the light-shielding metal layer pattern, and the signal line is electrically connected with the photo-sensitive sensing element layer.
    Type: Grant
    Filed: June 3, 2019
    Date of Patent: July 21, 2020
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Zhen Song, Guoying Wang, Jiangbo Chen
  • Publication number: 20200227491
    Abstract: The present disclosure relates to the field of the display technology and provides a display substrate and a manufacturing method thereof, a display panel, and a display apparatus. The manufacturing method of the display substrate includes forming an optical compensation control thin film transistor on a side of a base substrate; forming a conductor protective layer on a side of the optical compensation control thin film transistor facing away from the base substrate; forming an optical detecting device material layer on a side of the conductor protective layer facing away from the base substrate; forming an optical detecting device through patterning the optical detecting device material layer; and forming a conductor pattern layer through patterning the conductor protective layer; where, the optical detecting device is electrically connected with a source electrode or a drain electrode of the optical compensation control thin film transistor through the conductor pattern layer.
    Type: Application
    Filed: September 11, 2019
    Publication date: July 16, 2020
    Inventors: Guoying WANG, Zhen SONG
  • Patent number: 10707236
    Abstract: An array substrate, a manufacturing method thereof and a display device are provided. The manufacturing method includes: forming a light-shielding pattern layer, a buffer layer, an active layer, a gate insulating layer and a gate electrode on a base substrate, which are away from the base substrate in sequence; depositing an amorphous silicon (a-Si) film on the base substrate in a temperature range of 15-150° C.; forming a first interlayer dielectric (ILD) at least disposed above the active layer by patterning the a-Si film; forming through holes in the first ILD, through which a source contact region and a drain contact region of the active layer are exposed; and forming a source electrode and a drain electrode on the first ILD, which are respectively connected with the source contact region and the drain contact region via the through holes.
    Type: Grant
    Filed: October 26, 2017
    Date of Patent: July 7, 2020
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Zhen Song, Guoying Wang, Fengjuan Liu
  • Patent number: 10692951
    Abstract: The present disclosure provides in some embodiments a back plate and a manufacturing method thereof. The back plate includes a base substrate and a driving TFT arranged on the base substrate. The driving transistor includes a light-shielding layer, a buffer layer and an active layer arranged sequentially on the base substrate. A gate insulation layer, a gate electrode, a source electrode, a drain electrode and an interlayer dielectric layer are arranged on the active layer. The buffer layer is provided with a first protrusion, and an orthogonal projection of the first protrusion onto the base substrate is located within an orthogonal projection of the gate electrode onto the base substrate.
    Type: Grant
    Filed: May 2, 2018
    Date of Patent: June 23, 2020
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Zhen Song, Guoying Wang
  • Publication number: 20200194528
    Abstract: A display substrate according to an embodiment of the present disclosure comprises a substrate and a plurality of pixel units on the substrate, at least one of the plurality of pixel units comprising a light-emitting unit, a photosensitive unit for detecting light emitted by the light-emitting unit, and an interlayer insulating layer between the photosensitive unit and the light-emitting unit, wherein the interlayer insulating layer comprises a groove, an orthogonal projection of which on the substrate does not coincide with an orthogonal projection of the photosensitive unit on the substrate, and the light-emitting unit covers the groove.
    Type: Application
    Filed: July 18, 2019
    Publication date: June 18, 2020
    Inventors: Zhen SONG, Guoying WANG