Patents by Inventor Seongyeol Yoo

Seongyeol Yoo 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: 10998353
    Abstract: Disclosed is an array substrate and a display device. The array substrate includes: a plurality of gate lines and a plurality of data lines formed on a base substrate, and a plurality of pixel units defined by the plurality of gate lines and the plurality of data lines intersecting each other, wherein each pixel unit includes a thin film transistor and a pixel electrode connected with the thin film transistor, the pixel electrode, the data line, as well as an active layer, a source and a drain of the thin film transistor are disposed in a same layer and are formed through a single patterning process.
    Type: Grant
    Filed: October 15, 2018
    Date of Patent: May 4, 2021
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Seongyeol Yoo, Seungjin Choi, Heecheol Kim, Youngsuk Song
  • Patent number: 10403651
    Abstract: An array substrate, a method for fabricating the same and a display device are disclosed. The array substrate includes: a gate electrode of a TFT and a gate insulation layer sequentially formed on a base substrate; a semiconductor active layer, an etch stop layer and a source electrode and a drain electrode of the TFT sequentially formed on a part of the gate insulation layer that corresponds to the gate electrode of the TFT, the source and drain electrodes of the TFT are respectively in contact with the semiconductor active layer by way of via holes. The array substrate further includes: a first insulation layer formed between the gate electrode of the TFT and the gate insulation layer and the gate electrode is in contact with the gate insulation layer at a channel region of the TFT between the source electrode and the drain electrode of the TFT.
    Type: Grant
    Filed: May 29, 2014
    Date of Patent: September 3, 2019
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Heecheol Kim, Youngsuk Song, Seongyeol Yoo, Seungjin Choi
  • Patent number: 10338438
    Abstract: The embodiments of the invention disclose an array substrate, a manufacturing method thereof and a display device. Due to the fact that the surfaces of a source electrode, a drain electrode and a data line which are arranged on the same layer are provided with an oxide film which is formed after annealing treatment is conducted on the source electrode, the drain electrode and the data line, in the process that the pattern of a pixel electrode is formed on the source electrode, the drain electrode and the data line by the adoption of a composition technology, the oxide film can protect the source electrode and the data line under the oxide film from being corroded by an etching agent when the pattern of the pixel electrode is formed by etching, and the display quality of a display panel will not be affected.
    Type: Grant
    Filed: July 11, 2014
    Date of Patent: July 2, 2019
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Seungjin Choi, Heecheol Kim, Youngsuk Song, Seongyeol Yoo
  • Patent number: 10311994
    Abstract: A quantum dot ink, a manufacturing method thereof and a quantum dot light emitting diode device are provided. The quantum dot ink includes a non-polar organic solvent, a surface tension modifier and a hydrophobic quantum dot, the quantum dot ink further includes a carrier transport material, wherein phase separation is present between the hydrophobic quantum dot and the carrier transport material. After completing ink-jet printing the quantum dot ink, phase separation occurs between the hydrophobic quantum dot and the carrier transport material. Thus, the two-layer structure of a hydrophobic quantum dot layer and a carrier transport material layer is formed through one process. Not only a quantum dot light emitting device is manufactured by the method of ink-jet printing, but also the operation is simplified, and the manufacturing cost of the quantum dot light emitting device is reduced.
    Type: Grant
    Filed: December 29, 2015
    Date of Patent: June 4, 2019
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xiaolong He, Qi Yao, Seongyeol Yoo, Shi Shu, Zhanfeng Cao, Wei Xu
  • Patent number: 10276400
    Abstract: The invention relates to a method for fabricating an array substrate, an array substrate and a display device. The method for fabricating an array substrate may comprise: forming a pattern including a source electrode, a drain electrode and a data line; forming a non-crystalline semiconductor thin film layer; and performing annealing, so as to convert only the non-crystalline semiconductor thin film layer on the source electrode, drain electrode and data line to a metal semiconductor compound. By converting only the non-crystalline semiconductor thin film layer on the source electrode, drain electrode and data line into a metal semiconductor compound, the resulting metal semiconductor compound may prevent oxidative-corrosion of the metal thin film layer, such as a low-resistance metal (e.g., Cu or Ti) layer, in the subsequent procedures, which is favorable for the fabrication of a metal oxide thin film transistor using Cu or Ti.
    Type: Grant
    Filed: September 18, 2015
    Date of Patent: April 30, 2019
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Seongyeol Yoo, Seungjin Choi, Youngsuk Song
  • Patent number: 10237544
    Abstract: The present invention provides an open head mount display device and a display method thereof, relates to the field of head mount display technology, and can solve technical problems (such as a tedious operation, a poor display effect, an inaccurate position of the display image or the like) of the open head mount display device in the prior art. The open head mount display device of the present invention comprises: a display unit for providing a display image to user's eyes; an image acquisition unit for acquiring an image of an external object; an image analysis unit for analyzing and determining a position of the external object relative to the user's eyes in accordance with the image acquired by the image acquisition unit; and an image adjusting unit for adjusting the display image in accordance with an analysis result of the image analysis unit.
    Type: Grant
    Filed: April 21, 2014
    Date of Patent: March 19, 2019
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Heecheol Kim, Youngsuk Song, Seongyeol Yoo, Seungjin Choi
  • Publication number: 20190051679
    Abstract: Disclosed is an array substrate and a display device.
    Type: Application
    Filed: October 15, 2018
    Publication date: February 14, 2019
    Applicant: BOE Technology Group Co., Ltd.
    Inventors: Seongyeol Yoo, Seungjin Choi, Heecheol Kim, Youngsuk Song
  • Patent number: 10164217
    Abstract: An array substrate, a manufacturing method thereof and a display device are provided. The array substrate comprises a base substrate (1), an organic light-emitting diode (OLED) device and a thin-film transistor (TFT) structure, the OLED device disposed on one side of the base substrate (1); the TFT structure disposed on the other side of the base substrate (1); a through hole formed on the base substrate and provided with a conductive bridge (2); and the OLED device connected with the TFT structure through the conductive bridge (2).
    Type: Grant
    Filed: March 31, 2014
    Date of Patent: December 25, 2018
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Seongyeol Yoo, Seungjin Choi, Heecheol Kim, Youngsuk Song
  • Patent number: 10134786
    Abstract: Disclosed is an array substrate, a method of manufacturing the same, and a display device. The method of manufacturing an array substrate includes: forming a pattern comprising an active layer, a source, a drain, a data line and a pixel electrode on a base substrate through a single patterning process; forming a pattern of an insulating layer; forming a pattern comprising a gate and a gate line through a single patterning process. In the array substrate, the method of manufacturing the same, and the display device of the present invention, only two patterning processes are required to achieve the fabrication of the array substrate, which has less and simple process steps, thereby reduces the manufacturing complexity and manufacturing cost, and increasing the production efficiency and the economic benefit.
    Type: Grant
    Filed: April 21, 2014
    Date of Patent: November 20, 2018
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Seongyeol Yoo, Seungjin Choi, Heecheol Kim, Youngsuk Song
  • Patent number: 9923085
    Abstract: The present invention relates to a method for manufacturing a thin film transistor and an array substrate, and corresponding devices. In the thin film transistor manufacturing process, the base substrate is annealed after the formation of the patterns of the active layer, the source and the drain in the thin film transistor, so as to thermally diffuse ions of the source and the drain at an ohmic contact between the active layer and the source, as well as the drain, to the active layer, and further to provide the active layer with ions of the source and the drain for changing the components of the active layer, which reduces the resistance at the ohmic contact between the active layer and the source, as well as the drain, and guarantees the uniformity and reliability of the thin film transistor.
    Type: Grant
    Filed: January 30, 2015
    Date of Patent: March 20, 2018
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Seongyeol Yoo, Youngsuk Song, Heecheol Kim, Seungjin Choi
  • Patent number: 9905434
    Abstract: The invention relates to a method for fabricating an array substrate, an array substrate and a display device. The method for fabricating an array substrate may comprise: forming a metal thin film layer for a source electrode, a drain electrode and a data line; forming a non-crystalline semiconductor thin film layer on the metal thin film layer; and performing annealing, so as to at least partly convert the non-crystalline semiconductor thin film layer into a metal semiconductor compound. By at least partly converting the non-crystalline semiconductor thin film layer into a metal semiconductor compound, the resulting metal semiconductor compound may prevent oxidative-corrosion of the metal thin film layer, such as a low-resistance metal (e.g., Cu or Ti) layer, in the subsequent procedures, which is favorable for the fabrication of a metal oxide thin film transistor using Cu or Ti.
    Type: Grant
    Filed: August 17, 2015
    Date of Patent: February 27, 2018
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Seongyeol Yoo, Seungjin Choi, Youngsuk Song
  • Patent number: 9893090
    Abstract: An array substrate and a fabrication method thereof, and a display device are provided. The array substrate comprises a gate line and a data line intersecting with each other. The data line and the gate line are formed in a same layer on a substrate, the data line is disconnected in a region of the gate line. A connection pattern is formed in the region of the gate line, the connection pattern is insulated from the gate line, and ends of the data line located on both sides of the gate line are electrically connected by the connection pattern.
    Type: Grant
    Filed: May 23, 2014
    Date of Patent: February 13, 2018
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Heecheol Kim, Youngsuk Song, Seongyeol Yoo, Seungjin Choi
  • Patent number: 9881940
    Abstract: An array substrate and a display device, the array substrate comprises a fan-out area, an edge area and a display area for performing display, the fan-out area and the edge area are connected with the display area and located on two non-adjacent sides of the display area respectively; a plurality of wirings are arranged on the array substrate, and the wirings are routed through the display area and extend into the edge area, the input end of each wiring is located in the fan-out area; pads are configured for the wirings respectively are located on the side far away from the input end of each wiring, and the pads are located in the edge area.
    Type: Grant
    Filed: July 3, 2014
    Date of Patent: January 30, 2018
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Heecheol Kim, Youngsuk Song, Seongyeol Yoo, Seungjin Choi
  • Patent number: 9806108
    Abstract: A manufacturing method of a thin film transistor, a manufacturing method of an array substrate and an array substrate are provided. The manufacturing method of the thin film transistor comprises: forming an active layer, a source electrode and a drain electrode on a substrate by one patterning process, the active layer, the source electrode and the drain electrode being located in a same layer. The manufacturing method of the thin film transistor can effectively reduce the number of patterning processes, so as to enhance the capacity in mass production, and reduce the cost.
    Type: Grant
    Filed: May 29, 2014
    Date of Patent: October 31, 2017
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Seongyeol Yoo, Seungjin Choi, Heecheol Kim, Youngsuk Song
  • Patent number: 9741751
    Abstract: The present invention provides an array substrate fabricating method. The array substrate fabricating method comprises the steps of: forming a semiconductor material layer and a first photoresist layer on a substrate successively, forming a pattern of an active layer comprising thin film transistors by using the semiconductor material layer and the first photoresist layer through photoetching technology, and reserving the first photoresist layer at least on conductive areas of the active layer when the thin film transistors are turned on; and forming a first material layer on the substrate on which the active layer is formed and the first photoresist layer is reserved on the active layer, and forming a pattern comprising first structures by using the first material layer through the photoetching technology. The method is adapted for fabricating an array substrate using metal oxide thin film transistors.
    Type: Grant
    Filed: April 16, 2015
    Date of Patent: August 22, 2017
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Ke Wang, Seongyeol Yoo
  • Patent number: 9690146
    Abstract: An embodiment of the present invention provides an array substrate, its manufacturing method and a display device. The method for manufacturing the array substrate comprises forming a common electrode with a slit structure on a substrate, and a pixel electrode with a slit structure not overlapping the common electrode. According to the present invention, it is able to reduce storage capacitance between the common electrode and the pixel electrode, thereby to ensure the image quality.
    Type: Grant
    Filed: December 18, 2013
    Date of Patent: June 27, 2017
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Seungjin Choi, Heecheol Kim, Youngsuk Song, Seongyeol Yoo
  • Publication number: 20170174921
    Abstract: A quantum dot ink, a manufacturing method thereof and a quantum dot light emitting diode device are provided. The quantum dot ink includes a non-polar organic solvent, a surface tension modifier and a hydrophobic quantum dot, the quantum dot ink further includes a carrier transport material, wherein phase separation is present between the hydrophobic quantum dot and the carrier transport material. After completing ink-jet printing the quantum dot ink, phase separation occurs between the hydrophobic quantum dot and the carrier transport material. Thus, the two-layer structure of a hydrophobic quantum dot layer and a carrier transport material layer is formed through one process. Not only a quantum dot light emitting device is manufactured by the method of ink-jet printing, but also the operation is simplified, and the manufacturing cost of the quantum dot light emitting device is reduced.
    Type: Application
    Filed: December 29, 2015
    Publication date: June 22, 2017
    Applicant: BOE Technology Group Co.,Ltd.
    Inventors: Xiaolong HE, Qi YAO, Seongyeol YOO, Shi SHU, Zhanfeng CAO, Wei XU
  • Patent number: 9685463
    Abstract: The present disclosure provides an array substrate, its manufacturing method, a display panel and a display device. A conductive metal pattern of the array substrate is covered with an oxygen barrier film.
    Type: Grant
    Filed: April 26, 2016
    Date of Patent: June 20, 2017
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Jianguo Wang, Seongyeol Yoo
  • Patent number: 9685460
    Abstract: The present disclosure provides an array substrate, its manufacturing method and a display device. The method includes forming a source electrode and a drain electrode of a thin film transistor, an active layer and a first transparent electrode in the array substrate by a masking step. The active layer and the first transparent electrode are formed by an identical metal oxide layer, and the source electrode and the drain electrode are arranged above the active layer. The first transparent electrode corresponds to a first semi-transparent region of a mask, a channel region of the thin film transistor corresponds to a second semi-transparent region of the mask, the source electrode and drain electrode of the thin film transistor correspond to a non-transparent region of the mask, and the first semi-transparent region of the mask is of transmittance greater than that of the second semi-transparent region of the mask.
    Type: Grant
    Filed: April 22, 2014
    Date of Patent: June 20, 2017
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Seungjin Choi, Heecheol Kim, Youngsuk Song, Seongyeol Yoo
  • Patent number: 9685466
    Abstract: The present invention provides a TFT, an array substrate and a display device. The TFT includes a gate electrode, a source electrode, a drain electrode, and a semiconductor layer. The source electrode and the drain electrode are arranged on different layers. The semiconductor layer is in electrical connection to the source electrode and the drain electrode, respectively; wherein, a region on the semiconductor layer which is corresponding to a region between the source electrode and the drain electrode is a channel region. The present invention also provides an array substrate and a display device comprising the on TFT.
    Type: Grant
    Filed: September 28, 2014
    Date of Patent: June 20, 2017
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Heecheol Kim, Youngsuk Song, Seongyeol Yoo, Seungjin Choi