Patents by Inventor Chunsheng Jiang

Chunsheng Jiang 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: 20160260744
    Abstract: A thin-film transistor (TFT), a manufacturing method thereof, an array substrate and a display device are disclosed. The method for manufacturing the a TFT comprises the step of forming a gate electrode, a gate insulating layer, an active area, a source electrode and a drain electrode on a base substrate. The active area (4) is made of a ZnON material. When the gate insulating layer is formed, a material for forming the gate insulating layer is subjected to control treatment, so that a sub-threshold amplitude of the TFT is less than or equal to 0.5 mV/dec. The manufacturing method reduces the sub-threshold amplitude of the TFT and improves the semiconductor characteristic of the TFT.
    Type: Application
    Filed: November 21, 2014
    Publication date: September 8, 2016
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventor: Chunsheng Jiang
  • Publication number: 20160260788
    Abstract: The present invention discloses a WOLED back panel and a method of manufacturing the same. The method comprises: forming a pattern of a color filter layer on a substrate; exposing the pattern of the color filter layer by halftone exposure so as to form a groove structure in the pattern of the color filter layer; forming a pattern of a resin material layer on a surface of the substrate formed with the groove structure, and heavily doping a partial region of the resin material layer so as to form a heavily doped part having a conductivity; the heavily doped partial region of the resin material layer corresponding to a pixel electrode region, a via region, and a connection region between the pixel electrode region and the via region; and forming an organic light-emitting layer and a cathode in order on a surface of the substrate after heavily doping the partial region of the resin material layer.
    Type: Application
    Filed: August 13, 2014
    Publication date: September 8, 2016
    Inventors: Jingfei Fang, Chunsheng Jiang, Yanzhao Li
  • Patent number: 9437663
    Abstract: An array substrate and a fabrication method thereof, and a display device are provided. The array substrate comprises: a pattern of an organic light-emitting layer (11); a pattern of an active layer (4a) located in a thin film transistor region and a pattern of an absorbing layer (4b) located in an open region, which are arranged in a same layer, wherein, the pattern of the absorbing layer (4b) is located in a light outgoing direction of the pattern of the organic light-emitting layer (11), and is made of a transparent material having an ultraviolet absorbing function.
    Type: Grant
    Filed: March 18, 2015
    Date of Patent: September 6, 2016
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Jiangbo Chen, Jun Cheng, Chunsheng Jiang, Baoxia Zhang
  • Publication number: 20160254339
    Abstract: A pixel unit is used in an array substrate of a display device. In one embodiment, it comprises a gate line, a source-drain line and a thin-film transistor; and the gate line is in an overlapped structure comprising a first MoW layer, a Cu layer and a second MoW layer overlapped successively; and a gate of the thin-film transistor is formed of the first MoW layer. In another embodiment, the source-drain line is in a same overlapped structure; and a source and a drain of the thin-film transistor are formed of the first MoW layer. The first embodiment is achieved by means of a halftone process while the second embodiment is achieved by means of a lift off process. Diffusion of Cu in the gate layer or in the source-drain layer towards the oxide active layer is prevented.
    Type: Application
    Filed: December 25, 2014
    Publication date: September 1, 2016
    Inventors: Chunsheng JIANG, Jingfei FANG, Baojiang ZHANG
  • Patent number: 9425400
    Abstract: An apparatus and method for coating an organic film are disclosed. The apparatus comprises an evaporation device, an electron emission device and a spray device; wherein the evaporation device comprises an evaporation container, the evaporation container is a linear evaporation container, in which a uniform organic gas is generated; the electron emission device is horizontally arranged over the evaporation container such that the organic gas evaporated in the evaporation container is uniformly charged and becomes charged organic gas; the spray device is provided with an electric field, under which the charged organic gas is moved toward a substrate so as to deposit the organic film on the substrate.
    Type: Grant
    Filed: December 16, 2013
    Date of Patent: August 23, 2016
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Wulin Shen, Chunsheng Jiang, Qing Dai, Haijing Chen, Guangcai Yuan, Jingang Fang
  • Patent number: 9397223
    Abstract: Embodiments of the invention provide a thin film transistor, a method of manufacturing the same, an array substrate comprising the thin film transistor and a display device. The method of manufacturing the thin film transistor comprises steps of forming a gate electrode (220), a gate insulating layer (230), an oxide active layer (240), a source electrode (260) and a drain electrode (270) on a substrate (210). After forming the oxide active layer (240), the method further comprises a step of forming an etch barrier layer (250) of a metal oxide on the oxide active layer (240).
    Type: Grant
    Filed: December 13, 2013
    Date of Patent: July 19, 2016
    Assignee: BOE TECHNOLOGY GROUP CO., LTD
    Inventors: Chunsheng Jiang, Jingfei Fang
  • Publication number: 20160190222
    Abstract: An array substrate and a fabrication method thereof, and a display device are provided. The array substrate comprises: a pattern of an organic light-emitting layer (11); a pattern of an active layer (4a) located in a thin film transistor region and a pattern of an absorbing layer (4b) located in an open region, which are arranged in a same layer, wherein, the pattern of the absorbing layer (4b) is located in a light outgoing direction of the pattern of the organic light-emitting layer (11), and is made of a transparent material having an ultraviolet absorbing function.
    Type: Application
    Filed: March 18, 2015
    Publication date: June 30, 2016
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Jiangbo Chen, Jun Cheng, Chunsheng Jiang, Baoxia Zhang
  • Patent number: 9373814
    Abstract: A pixel define layer (PDL) of an organic light-emitting diode (OLED) display panel, which comprises a first PDL (21) and a second PDL (22) overlapped on the first PDL. The first PDL (21) is a hydrophobic film layer provided with openings (210) corresponding to luminous regions of sub-pixel units; and the second PDL (22) is a hydrophilic film layer provided with openings (220) corresponding to the openings (210) of the first PDL. The PDL can avoid the mutual pollution of organic light-emitting materials in luminous regions of different colors in adjacent sub-pixel units in the preparation process.
    Type: Grant
    Filed: December 16, 2013
    Date of Patent: June 21, 2016
    Assignee: BOE TECHNOLOGY GROUP CO., LTD
    Inventors: Wei Liu, Chunsheng Jiang, Dongfang Wang, Yanzhao Li
  • Patent number: 9368637
    Abstract: A thin film transistor (TFT) and manufacturing method thereof, an array substrate and a display device are provided. The thin film transistor comprises a substrate; an active layer formed on the substrate; a first conductive contact layer and a second conductive contact layer formed on the active layer; an etch-stop layer formed over the first contact layer and the second contact layer; and a source connected with the first contact layer, a drain connected with the second contact layer and a gate arranged between the source and the drain formed over the etch-stop layer. The TFT has a simple structure and better performance.
    Type: Grant
    Filed: July 15, 2013
    Date of Patent: June 14, 2016
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Li Zhang, Chunsheng Jiang, Dongfang Wang, Haijing Chen, Fengjuan Liu
  • Patent number: 9368360
    Abstract: An anti-diffusion layer, a preparation method thereof, a thin-film transistor (TFT), an array substrate and a display device are provided, involve the display device manufacturing field and can resolve problem that a high atmosphere temperature is need in process of preparing a tantalum dioxide anti-diffusion layer by PVD or CVD, which causes the gate electrode to volatilize and affect the performance of a display device. The method for preparing the anti-diffusion layer comprises: placing a conductive base (1) and a cathode (4) in a electrolytic solution (3), taking the conductive base (1) as an anode, and forming a tantalum dioxide anti-diffusion layer on the conductive base (1) after energizing.
    Type: Grant
    Filed: May 31, 2013
    Date of Patent: June 14, 2016
    Assignee: BOE TECHNOLOGY GROUP CO., LTD
    Inventors: Chunsheng Jiang, Haijing Chen, Dongfang Wang
  • Patent number: 9324735
    Abstract: The present invention provides an array substrate and a manufacturing method thereof, a display panel and a display device. The array substrate includes a plurality of pixel units, each of which includes: a TFT area provided with a TFT including a gate, a gate insulation layer, an active area, a source and a drain; and a display area provided with a pixel electrode.
    Type: Grant
    Filed: December 16, 2013
    Date of Patent: April 26, 2016
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Jun Cheng, Haijing Chen, Chunsheng Jiang
  • Publication number: 20160109739
    Abstract: Embodiments of the disclosure provide a manufacturing method of a TFT array substrate, a TFT array substrate and a display device. The method comprises steps of: S1. forming a thin film transistor on a base substrate; S2. forming a passivation layer thin film on the base substrate after the step S1; S3. forming a passivation layer via hole and a light-shielding pattern on the base substrate after the step S2; and S4. forming a color filter layer and a pixel electrode on the base substrate after the step S3. The pixel electrode is electrically connected to a drain electrode of the thin film transistor through the passivation layer via hole, and the color filter layer is in correspondence with a position of the pixel electrode.
    Type: Application
    Filed: April 18, 2013
    Publication date: April 21, 2016
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Shi SHU, Guanbao HUI, Teng YE, Chunsheng JIANG, Cuili GAI
  • Patent number: 9312487
    Abstract: An apparatus and method for coating an organic film are disclosed. The apparatus comprises an evaporation device, an electron emission device and a spray device; wherein the evaporation device comprises an evaporation container, the evaporation container is a linear evaporation container, in which a uniform organic gas is generated; the electron emission device is horizontally arranged over the evaporation container such that the organic gas evaporated in the evaporation container is uniformly charged and becomes charged organic gas; the spray device is provided with an electric field, under which the charged organic gas is moved toward a substrate so as to deposit the organic film on the substrate.
    Type: Grant
    Filed: December 16, 2013
    Date of Patent: April 12, 2016
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Wulin Shen, Chunsheng Jiang, Qing Dai, Haijing Chen, Guangcai Yuan, Jingang Fang
  • Publication number: 20160086981
    Abstract: Fabrication methods of a transparent conductive electrode (301) and an array substrate are provided. The fabrication method of the transparent conductive electrode (301) comprises: forming a sacrificial layer pattern (201) on a substrate (10) having a first region (A1) and a second region (A2) adjacent to each other, wherein the sacrificial layer pattern (201) is located in the second region (A2), and has an upper sharp corner profile formed on a side adjacent to the first region (A1); forming a transparent conductive thin-film (30) in the first region (A1) and the second region (A2) of the substrate (10) with the sacrificial layer pattern (201) formed thereon, wherein a thickness ratio of the transparent conductive thin-film (30) to the sacrificial layer pattern (201) is less than or equal to 1:1.
    Type: Application
    Filed: September 15, 2014
    Publication date: March 24, 2016
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Meili WANG, Fengjuan LIU, Chunsheng JIANG
  • Patent number: 9273390
    Abstract: An apparatus and method for coating an organic film are disclosed. The apparatus comprises an evaporation device, an electron emission device and a spray device; wherein the evaporation device comprises an evaporation container, the evaporation container is a linear evaporation container, in which a uniform organic gas is generated; the electron emission device is horizontally arranged over the evaporation container such that the organic gas evaporated in the evaporation container is uniformly charged and becomes charged organic gas; the spray device is provided with an electric field, under which the charged organic gas is moved toward a substrate so as to deposit the organic film on the substrate.
    Type: Grant
    Filed: May 11, 2015
    Date of Patent: March 1, 2016
    Assignee: BOE TECHNOLOGY GROUP CO., Ltd.
    Inventors: Wulin Shen, Chunsheng Jiang, Qing Dai, Haijing Chen, Guangcai Yuan, Jingang Fang
  • Patent number: 9268169
    Abstract: Embodiments of the invention provide a display panel with a pixel define layer, a manufacturing method of a pixel define layer of a display panel, and a display device. The display panel with the pixel define layer comprises: a substrate and the pixel define layer disposed on the substrate. The pixel define layer includes a photosensitive resin layer and a transparent define layer sequentially disposed on the substrate. The photosensitive resin layer has an opening in a region corresponding to each pixel region of the display panel, the transparent define layer has an opening in the region corresponding to each pixel region of the display panel, and the opening of the transparent define layer is smaller than the opening of the photosensitive resin layer so as to form a fill region with a wide lower portion and a narrow upper portion.
    Type: Grant
    Filed: November 12, 2013
    Date of Patent: February 23, 2016
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventor: Chunsheng Jiang
  • Publication number: 20160043228
    Abstract: A thin film transistor, a manufacturing method thereof, an array substrate and a display apparatus are disclosed. The manufacturing method includes forming a gate electrode (2), a gate insulating layer (3), an active region (4), a source electrode (5) and a drain electrode (6) on a base substrate (1) with the active region being formed of ZnON material, and implanting the active region (4) with nitrogen ion while it being formed, so as to make the sub-threshold swing amplitude of the thin film transistor less than or equal to 0.5 mV/dec. The manufacturing method reduces the sub-threshold swing amplitude of the thin film transistor and improves the semiconductor characteristics of the thin film transistor.
    Type: Application
    Filed: November 21, 2014
    Publication date: February 11, 2016
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Chunsheng JIANG, Lung Pao HSIN
  • Publication number: 20160035756
    Abstract: The present disclosure relates to the field of display technology, and provides a TFT, a method for manufacturing the TFT, an array substrate, a method for manufacturing the array substrate, and a display device. The method for manufacturing the TFT includes a step of forming a pattern including a source electrode, a drain electrode and an active layer by a single patterning process, wherein the source electrode, the drain electrode and the active layer are arranged at an identical layer, and the active layer is arranged between the source electrode and the drain electrode.
    Type: Application
    Filed: April 16, 2014
    Publication date: February 4, 2016
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Chunsheng JIANG, Wei LIU
  • Publication number: 20160027811
    Abstract: Disclosed are a thin film transistor, an array substrate and a display device. The thin film transistor comprises a gate electrode, a gate insulating layer, an active layer, a source electrode and a drain electrode, wherein the active layer comprises at least two layers of semiconductor thin films, and the at least two layers of semiconductor thin films comprise at least one layer of monocrystalline semiconductor thin film.
    Type: Application
    Filed: May 12, 2014
    Publication date: January 28, 2016
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yanzhao LI, Gang WANG, Chunsheng JIANG, Jingfei FANG, Jingang FANG
  • Publication number: 20160020228
    Abstract: The present invention provides a CMOS transistor and a method for fabricating the same, a display panel and a display device. The CMOS transistor comprises a first region and a second region provided on a base substrate, the first region comprises a first gate electrode, a first active layer, a first source electrode and a first drain electrode, and the second region comprises a second gate electrode, a second active layer, a second source electrode and a second drain electrode, first dopant ions are formed in the first active layer, second dopant ions are formed in the second active layer, a concentration of the first dopant ions is smaller than that of the second dopant ions, the first active layer is an n-type active layer, and the second active layer is a p-type active layer. The technical solution of the present invention can reduce power consumption of display panel.
    Type: Application
    Filed: March 25, 2014
    Publication date: January 21, 2016
    Inventor: Chunsheng JIANG