Patents by Inventor Youwei Wang

Youwei 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).

  • Patent number: 10263055
    Abstract: A pixel definition structure, an organic light-emitting device and the encapsulation method thereof, and a display apparatus are provided, in the field of display technology. The pixel definition structure includes a plurality of barriers, wherein the plurality of barriers includes a first barrier and a second barrier. The height of the first barrier is smaller than that of the second barrier, and a barrier at a first edge area of the pixel definition structure is the first barrier. The present disclosure can solve the problem of the poor encapsulation effect and improve the encapsulation effect. The present disclosure is applied to an organic light-emitting device.
    Type: Grant
    Filed: December 7, 2017
    Date of Patent: April 16, 2019
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Youwei Wang, Song Zhang, Peng Cai, Ping Song, Xiaobo Du
  • Patent number: 10249735
    Abstract: The present disclosure provides a TFT, its manufacturing method, an array substrate and a display device. The method includes steps of: forming a pattern of a gate electrode on a base substrate; forming a gate insulation layer with an even surface; forming a pattern of a polysilicon semiconductor layer; and forming patterns of a source electrode and a drain electrode. The step of forming the pattern of the polysilicon semiconductor layer includes: crystallizing the amorphous silicon layer, so as to form the polysilicon semiconductor layer.
    Type: Grant
    Filed: August 15, 2016
    Date of Patent: April 2, 2019
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Jian Min, Xiaolong Li, Zhengyin Xu, Ping Song, Youwei Wang
  • Publication number: 20190074460
    Abstract: A flexible display panel, a manufacturing method thereof and a flexible display device, which relate to the technical field of flexible display and reduce the probability of the occurrence of cracks on an inorganic encapsulation structure when a flexible display panel is bent, so that the service life of light emitting devices in the flexible display substrate is prolonged. The flexible display panel includes a flexible display substrate and an encapsulation structure arranged on a surface of the flexible display substrate. A portion of the encapsulation structure corresponding to a non-display region is an inorganic encapsulation structure. The flexible display panel further includes an organic encapsulation layer covering the inorganic encapsulation structure. The manufacturing method of a flexible display panel manufacture the flexible display panel described in the above technical solutions. The flexible display panel provided by the present disclosure is used in a flexible display device.
    Type: Application
    Filed: September 20, 2017
    Publication date: March 7, 2019
    Inventors: Peng CAI, Ping SONG, Youwei WANG, Jing YANG
  • Publication number: 20190067634
    Abstract: The encapsulation structure includes a first barrier layer and a second barrier layer, and the first barrier layer is located between an object to be encapsulated and the second barrier layer. The display panel includes the encapsulation structure mentioned in the above technical solution. The display apparatus includes the display panel mentioned in the above technical solution.
    Type: Application
    Filed: September 18, 2017
    Publication date: February 28, 2019
    Applicants: BOE TECHNOLOGY GROUP CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Dawei WANG, Youwei WANG
  • Publication number: 20190058156
    Abstract: This disclosure discloses an OLED display substrate and a manufacturing method thereof, as well as an OLED display apparatus. The OLED display substrate comprises a display area and a non-display area surrounding the display area. The OLED display substrate comprises a barrier which is provided in the non-display area and an encapsulation structure layer which covers the display area and extends to cover the barrier, and the OLED display substrate further comprises a metal halide layer which is located between the barrier and the encapsulation structure layer.
    Type: Application
    Filed: April 27, 2018
    Publication date: February 21, 2019
    Inventors: Tao Sun, Song Zhang, Youwei Wang, Tao Wang
  • Publication number: 20190058161
    Abstract: An encapsulation structure, a manufacturing method thereof and a display apparatus are provided in the field of display device encapsulation. The encapsulation structure includes a plurality of film layers coated on the outside of a display device and the plurality of film layers include an inorganic layer and an organic layer that are laminated. The organic layer includes a polymer matrix and a repairing microstructure.
    Type: Application
    Filed: September 12, 2017
    Publication date: February 21, 2019
    Inventors: Ping Song, Feifei Wang, Youwei Wang, Peng Cai, Jing Yang
  • Publication number: 20190051222
    Abstract: There are provided a PI substrate, a preparation method thereof and a display device. The preparation method includes: forming a first separable film at an edge region of a substrate; forming a first-layer polyamic acid (PAA) film on the first separable film and the substrate; stripping the first separable film and the first-layer PAA film that covers the first separable film to expose the edge region of the substrate; and performing imidization on the first-layer PAA film on the substrate with the edge region exposed, to enable the first-layer PAA film to be transformed into a first-layer PI film, thereby avoiding uneven film thicknesses at edges of the first-layer PI substrates.
    Type: Application
    Filed: May 24, 2018
    Publication date: February 14, 2019
    Inventors: Yuanzheng Guo, Mingche Hsieh, Ping Song, Youwei Wang, Weinan Dai, Mingwen Wang
  • Patent number: 10164214
    Abstract: The disclosure provides a display panel and a method for manufacturing the same. The display panel includes: an underlying substrate; thin film transistors, a light emission layer, a first inorganic moisture-blocking layer successively arranged on the underlying substrate; an organic buffer layer arranged on the first inorganic moisture-blocking layer, the organic buffer layer comprises: droplet micro-structures for decentralizing a stress on the organic buffer layer; a second inorganic moisture-blocking layer arranged on the organic buffer layer; and a blocking layer, and a glass cover plate successively arranged on the second inorganic moisture-blocking layer.
    Type: Grant
    Filed: September 25, 2017
    Date of Patent: December 25, 2018
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Ping Song, Feifei Wang, Youwei Wang, Peng Cai, Jian Min
  • Publication number: 20180358576
    Abstract: A polarization optical assembly, an OLED device and a preparation method thereof, a display device. The polarization optical assembly includes: a cholesteric liquid crystal layer, a ?/4 wave plate and a linear polarizer. The ?/4 wave plate is between the cholesteric liquid crystal layer and the linear polarizer, and an angle exists between a fast axis or a slow axis of the ?/4 wave plate and a transmission axis of the linear polarizer, and polarized light formed by external fight sequentially passing the linear polarizer and the ?/4 wave plate is able to pass through the cholesteric liquid crystal layer. The display device can increase the output of light while reducing the reflection of external light.
    Type: Application
    Filed: July 7, 2017
    Publication date: December 13, 2018
    Inventors: Ping SONG, Feifei WANG, Youwei WANG, Peng CAI, Yuanzheng GUO
  • Publication number: 20180355468
    Abstract: A mask plate, a manufacturing method of the mask plate, and a method of evaporation by using the mask plate are provided. The mask plate includes an opening plate, the opening plate includes an opening and a blocking portion outside the opening, a concavity is in the blocking portion, and a depth of the concavity is smaller than a thickness of the blocking portion.
    Type: Application
    Filed: December 13, 2017
    Publication date: December 13, 2018
    Inventors: Youwei WANG, Song ZHANG, Tao SUN, Ping SONG, Peng CAI, Yuanzheng GUO
  • Publication number: 20180315807
    Abstract: A pixel definition structure, an organic light-emitting device and the encapsulation method thereof, and a display apparatus are provided, in the field of display technology. The pixel definition structure includes a plurality of barriers, wherein the plurality of barriers includes a first barrier and a second barrier. The height of the first barrier is smaller than that of the second barrier, and a barrier at a first edge area of the pixel definition structure is the first barrier. The present disclosure can solve the problem of the poor encapsulation effect and improve the encapsulation effect. The present disclosure is applied to an organic light-emitting device.
    Type: Application
    Filed: December 7, 2017
    Publication date: November 1, 2018
    Inventors: Youwei Wang, Song Zhang, Peng Cai, Ping Song, Xiaobo Du
  • Patent number: 10043710
    Abstract: In some embodiments of the disclosed subject matter provides an active matrix organic light emitting diode array substrate, comprising; multiple pixel units in an array on a base substrate, adjacent pixel units are separated by a pixel defining layer, each pixel unit comprises a thin film transistor and an organic light emitting diode; an insulating layer between a source/drain electrode layer of the thin film transistor and an electrode layer of the organic light emitting diode; the insulating layer includes a via hole therein, the electrode layer comprises a recess part connecting with the source/drain electrode layer in the via hole; and a filling layer on the recess part for preventing an organic light emitting layer of the organic light emitting diode being inside of the recess part, the pixel defining layer and an organic light emitting layer of the organic light emitting diode are overlaid on the filling layer.
    Type: Grant
    Filed: May 20, 2016
    Date of Patent: August 7, 2018
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Peng Cai, Youwei Wang
  • Patent number: 10026927
    Abstract: A thin film package structure is provided. The thin film package structure includes a plurality of film layers arranged on the outside of a device, the plurality of film layers including inorganic and organic layers alternately laminated, wherein the innermost film layer and the outermost film layer among the plurality of film layers are inorganic layers, and an auxiliary spreading layer arranged between at least one pair of an inorganic layer and an organic layer adjacent within the plurality of film layers, wherein the hydrophilicity-hydrophobicity of the auxiliary spreading layer is the same as that of the organic layer in contact with the auxiliary spreading layer.
    Type: Grant
    Filed: August 4, 2016
    Date of Patent: July 17, 2018
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Youwei Wang, Song Zhang, Peng Cai
  • Publication number: 20180090712
    Abstract: The disclosure provides a display panel and a method for manufacturing the same. The display panel includes: an underlying substrate; thin film transistors, a light emission layer, a first inorganic moisture-blocking layer successively arranged on the underlying substrate; an organic buffer layer arranged on the first inorganic moisture-blocking layer, the organic buffer layer comprises: droplet micro-structures for decentralizing a stress on the organic buffer layer; a second inorganic moisture-blocking layer arranged on the organic buffer layer; and a blocking layer, and a glass cover plate successively arranged on the second inorganic moisture-blocking layer.
    Type: Application
    Filed: September 25, 2017
    Publication date: March 29, 2018
    Inventors: Ping Song, Feifei WANG, Youwei WANG, Peng CAI, Jian MIN
  • Patent number: 9825254
    Abstract: The present disclosure provides an encapsulation structure, a method for encapsulating an OLED device, and a flexible display device. The encapsulation structure includes: a flexible substrate; an OLED device arranged on the flexible substrate; a thin film encapsulation layer covering the OLED device and including a plurality of first inorganic films and a plurality of organic polymer films arranged alternately; and a second inorganic film having a nanowire structure and covering the thin film encapsulation layer.
    Type: Grant
    Filed: May 11, 2016
    Date of Patent: November 21, 2017
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Youwei Wang, Peng Cai, Zhihui Xiao
  • Publication number: 20170279080
    Abstract: A thin film package structure is provided. The thin film package structure includes a plurality of film layers arranged on the outside of a device, the plurality of film layers including inorganic and organic layers alternately laminated, wherein the innermost film layer and the outermost film layer among the plurality of film layers are inorganic layers, and an auxiliary spreading layer arranged between at least one pair of an inorganic layer and an organic layer adjacent within the plurality of film layers, wherein the hydrophilicity-hydrophobicity of the auxiliary spreading layer is the same as that of the organic layer in contact with the auxiliary spreading layer.
    Type: Application
    Filed: August 4, 2016
    Publication date: September 28, 2017
    Inventors: Youwei Wang, Song Zhang, Peng Cai
  • Publication number: 20170256631
    Abstract: The present disclosure provides a TFT, its manufacturing method, an array substrate and a display device. The method includes steps of: forming a pattern of a gate electrode on a base substrate; forming a gate insulation layer with an even surface; forming a pattern of a polysilicon semiconductor layer; and forming patterns of a source electrode and a drain electrode. The step of forming the pattern of the polysilicon semiconductor layer includes: crystallizing the amorphous silicon layer, so as to form the polysilicon semiconductor layer.
    Type: Application
    Filed: August 15, 2016
    Publication date: September 7, 2017
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Jian MIN, Xiaolong LI, Zhengyin XU, Ping SONG, Youwei WANG
  • Publication number: 20170221762
    Abstract: In some embodiments of the disclosed subject matter provides an active matrix organic light emitting diode array substrate, comprising; multiple pixel units in an array on a base substrate, adjacent pixel units are separated by a pixel defining layer, each pixel unit comprises a thin film transistor and an organic light emitting diode; an insulating layer between a source/drain electrode layer of the thin film transistor and an electrode layer of the organic light emitting diode; the insulating layer includes a via hole therein, the electrode layer comprises a recess part connecting with the source/drain electrode layer in the via hole; and a filling layer on the recess part for preventing an organic light emitting layer of the organic light emitting diode being inside of the recess part, the pixel defining layer and an organic light emitting layer of the organic light emitting diode are overlaid on the filling layer.
    Type: Application
    Filed: May 20, 2016
    Publication date: August 3, 2017
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Peng CAI, Youwei WANG
  • Publication number: 20170084869
    Abstract: The present disclosure provides an encapsulation structure, a method for encapsulating an OLED device, and a flexible display device. The encapsulation structure includes: a flexible substrate; an OLED device arranged on the flexible substrate; a thin film encapsulation layer covering the OLED device and including a plurality of first inorganic films and a plurality of organic polymer films arranged alternately; and a second inorganic film having a nanowire structure and covering the thin film encapsulation layer.
    Type: Application
    Filed: May 11, 2016
    Publication date: March 23, 2017
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Youwei WANG, Peng CAI, Zhihui XIAO
  • Patent number: 6123947
    Abstract: An herbal treatment composition is provided which includes Sarcandra glabra and a polysaccharide preferably derived from certain medicinal mushrooms. Methods for treating psoriasis and purpura using the composition are also disclosed.
    Type: Grant
    Filed: July 8, 1999
    Date of Patent: September 26, 2000
    Inventors: James H. Zhou, Youwei Wang