Patents by Inventor Yongchao Zhao

Yongchao Zhao 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: 20180217436
    Abstract: Disclosed is a temperature-controlled alignment device based on multi-model glass technology. The device includes a stage divided into at least two areas and heating modules corresponding to respective areas. Each of the heating modules includes a heat conductive sheet, a liquid pipe, and an electric heater. Different areas are heated by arranging a heating module for each of the areas, so that reaction rates of reactive monomers in panels of different areas have a same reaction rate so as to form a same pretilt angle.
    Type: Application
    Filed: January 19, 2017
    Publication date: August 2, 2018
    Applicant: Shenzhen China Star Optoelectronics Technology Co., Ltd.
    Inventors: Rentang Zhao, Chung Ching Hsieh, Yongchao Zhao
  • Patent number: 10023802
    Abstract: An alignment film material and a method of producing an alignment film are described. The alignment film material has polyimide and crosslinked polymer. The crosslinked polymer is formed from a first component through a crosslinking reaction. A crosslink density of the alignment film can be enhanced without additionally adding a catalyst, so as to increase a hardness of the alignment film.
    Type: Grant
    Filed: November 17, 2015
    Date of Patent: July 17, 2018
    Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Yongchao Zhao, Chungching Hsieh, Yanjun Song
  • Patent number: 9971204
    Abstract: A method for manufacturing a liquid crystal display panel is provided. The method includes the following steps of: drop-filling liquid crystal molecules on a color film substrate having a seal frame, wherein the liquid crystal molecules are doped with thermal reactive monomers; and heat-curing a frame, and simultaneously making the thermal reactive monomers in the liquid crystal molecules into a polymer on the surface of the alignment film. The reliability of the alignment film is improved by the present invention.
    Type: Grant
    Filed: April 22, 2016
    Date of Patent: May 15, 2018
    Assignee: Shenzhen China Star Optoelectronics Technology Co., Ltd.
    Inventors: Xiang Li, Chungching Hsieh, Yongchao Zhao, Rentang Zhao
  • Publication number: 20180120629
    Abstract: A color-filter-on-array (COA) type liquid crystal panel and a manufacturing method thereof are disclosed. An alignment film in the COA type liquid crystal panel is formed by a photo-alignment technology of an ultraviolet induced multi-domain vertical alignment (UV2A). Also, a problem of image sticking of an existing COA type liquid crystal display is improved by controlling the dielectric constant (??) of the liquid crystal molecules of a liquid crystal layer in the COA type liquid crystal panel.
    Type: Application
    Filed: August 7, 2015
    Publication date: May 3, 2018
    Applicant: SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Yongchao ZHAO, Chungching HSIEH, Xiang Ll, Yanjun SONG
  • Publication number: 20180039109
    Abstract: The present invention discloses a display panel and a manufacturing method thereof. A thin film transistor array substrate of a display panel is provided with a first alignment layer; a color filter substrate of display panel is provided with a second alignment layer; the first alignment layer is formed by irradiating the first alignment material with a first light having a first wavelength, the second alignment layer is formed by irradiating the second alignment material with a second light having a second wavelength. The present invention permits the display panel to have good reliability and high contrast as well.
    Type: Application
    Filed: May 22, 2015
    Publication date: February 8, 2018
    Inventors: XIANG LI, CHUNG-CHING HSIEH, YANJUN SONG, YONGCHAO ZHAO, RENTANG ZHAO
  • Patent number: 9846333
    Abstract: A manufacturing method of a liquid crystal panel is provided with steps of: providing an array substrate having a first electrode with a plurality of slots and a second electrode thereon, and a color filter substrate; applying a first photo alignment film to the array substrate, and performing a first irradiation treatment on the first photo alignment film to have a first pretilt angle; applying a second photo alignment film to the color filter substrate, and performing a second irradiation treatment on the second photo alignment film to have a second pretilt angle antiparallel to the first pretilt angle; sealing a liquid crystal molecule and a photopolymerizable monomer within a space between the first photo alignment film and the second photo alignment film to form a liquid crystal panel; and performing a third irradiation treatment on the liquid crystal panel to carry out a polymerization of the photopolymerizable monomer.
    Type: Grant
    Filed: September 17, 2015
    Date of Patent: December 19, 2017
    Assignee: Shenzhen China Star OptoElectronics Technology Co., Ltd.
    Inventors: Yanjun Song, Chungching Hsieh, Yongchao Zhao, Xiang Li
  • Patent number: 9804433
    Abstract: The present invention provides a liquid crystal display panel of improving color washout, setting different alignment angles in the sub pixel areas of different colors (the included angle between the alignment direction of the liquid crystal molecules and the branch electrode of the pixel electrode). Then, the alignment angle of the red sub pixel area is the largest, and the alignment angle of the green sub pixel area is smaller, and the alignment angle of the blue sub pixel area is smallest. Thus, it is possible to respectively modulate the transmittance-voltage curves and the brightness-voltage curves of the lights of different colors to optimize the white dot chromaticity for satisfying the optical specification and compensate the losing transmittance of the blue light in the panel for improving the color washout problem.
    Type: Grant
    Filed: October 12, 2015
    Date of Patent: October 31, 2017
    Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Yanjun Song, Yongchao Zhao, Chungching Hsieh
  • Patent number: 9791746
    Abstract: The present invention provides a liquid crystal display panel. The liquid crystal display panel includes a TFT substrate and a CF substrate that are respectively provided with first and second alignment films that allow for vertical light alignment, so that after irradiation of ultraviolet light, the first alignment film and the second alignment film have alignment directions that are substantially parallel but opposite to each other and the liquid crystal molecules are set at a tilt angle for being nearly vertically aligned.
    Type: Grant
    Filed: October 28, 2015
    Date of Patent: October 17, 2017
    Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Yanjun Song, Chungching Hsieh, Yongchao Zhao, Xiang Li
  • Publication number: 20170285412
    Abstract: A method for manufacturing a liquid crystal display panel is provided. The method includes the following steps of: drop-filling liquid crystal molecules on a color film substrate having a seal frame, wherein the liquid crystal molecules are doped with thermal reactive monomers; and heat-curing a frame, and simultaneously making the thermal reactive monomers in the liquid crystal molecules into a polymer on the surface of the alignment film. The reliability of the alignment film is improved by the present invention.
    Type: Application
    Filed: April 22, 2016
    Publication date: October 5, 2017
    Inventors: Xiang LI, Chungching HSIEH, Yongchao ZHAO, Rentang ZHAO
  • Publication number: 20170261817
    Abstract: The present disclosure proposes a thin-film transistor (TFT) array panel, a display panel, and a method for fabricating the same. The TFT array panel includes a first substrate, and a gate layer, a buffer layer, a semiconductor layer, a first insulating layer, a color filter layer, a second insulating layer, and a first alignment layer formed on the first substrate successively. The color filter layer includes a black matrix section, and the black matrix section is opposite to the semiconductor layer along a vertical direction. The alignment substrate includes a second substrate and a second alignment layer formed on the second substrate. The first alignment layer and the second alignment layer are arranged near the liquid crystal layer. In this way, the performance of the semiconductor will not be affected by the ultraviolet polarizing light after being illuminated.
    Type: Application
    Filed: December 25, 2015
    Publication date: September 14, 2017
    Applicant: Shenzhen China Star Optoelectronics Technology Co., Ltd.
    Inventors: Yongchao ZHAO, Chung-ching HSIEH, Rentang ZHAO
  • Publication number: 20170261816
    Abstract: The present disclosure discloses a liquid crystal display panel and a manufacture method thereof, including: radiating substrates with the ultraviolet light to make alignment films on the substrates to form a pre-tilt angle; injecting liquid crystal molecules containing reactive monomers in between two substrates, a pre-tilt angle of the liquid crystal molecules under the influence of the alignment films after matching is a first angle value; radiating substrates with the ultraviolet light and applying electric field between the two substrates to radiate the reactive monomers with the ultraviolet light, a pre-tilt angle of the liquid crystal molecules is a second angle value.
    Type: Application
    Filed: December 31, 2015
    Publication date: September 14, 2017
    Applicant: Shenzhen China Star Optoelectronics Technology Co., Ltd.
    Inventors: Yongchao ZHAO, Chung-ching HSIEH, Xiang LI
  • Publication number: 20170255063
    Abstract: A manufacturing method of a liquid crystal panel is provided with steps of: providing an array substrate having a first electrode with a plurality of slots and a second electrode thereon, and a color filter substrate; applying a first photo alignment film to the array substrate, and performing a first irradiation treatment on the first photo alignment film to have a first pretilt angle; applying a second photo alignment film to the color filter substrate, and performing a second irradiation treatment on the second photo alignment film to have a second pretilt angle antiparallel to the first pretilt angle; sealing a liquid crystal molecule and a photopolymerizable monomer within a space between the first photo alignment film and the second photo alignment film to form a liquid crystal panel; and performing a third irradiation treatment on the liquid crystal panel to carry out a polymerization of the photopolymerizable monomer.
    Type: Application
    Filed: September 17, 2015
    Publication date: September 7, 2017
    Inventors: Yanjun SONG, Chungching HSIEH, Yongchao ZHAO, Xiang LI
  • Publication number: 20170227821
    Abstract: The present invention discloses a liquid crystal panel. The liquid crystal panel, comprises: a first substrate, a second substrate opposite to the first substrate, and a liquid crystal layer is disposed between the first substrate and the second substrate. And the liquid crystal panel further comprises: a thin film transistor array and a color resist layer are disposed on the first substrate, and the liquid crystal layer is negative type liquid crystal molecules. As such, the present invention can improve the transmitting rate of the liquid crystal panel.
    Type: Application
    Filed: August 13, 2015
    Publication date: August 10, 2017
    Applicant: Shenzhen China Star Optoelectronics Technology Co., Ltd.
    Inventors: Yanjun SONG, Yongchao ZHAO, Chung-ching HSIEH, Xiang LI, Rentang ZHAO
  • Publication number: 20170190974
    Abstract: An alignment film material and a method of producing an alignment film are described. The alignment film material has polyimide and crosslinked polymer. The crosslinked polymer is formed from a first component through a crosslinking reaction. A crosslink density of the alignment film can be enhanced without additionally adding a catalyst, so as to increase a hardness of the alignment film.
    Type: Application
    Filed: November 17, 2015
    Publication date: July 6, 2017
    Applicant: Shenzhen China Star Optoelectronics Technology Co., Ltd.
    Inventors: Yongchao ZHAO, Chungching HSIEH, Yanjun SONG
  • Publication number: 20170192306
    Abstract: The present invention provides a liquid crystal display panel. The liquid crystal display panel includes a TFT substrate and a CF substrate that are respectively provided with first and second alignment films that allow for vertical light alignment, so that after irradiation of ultraviolet light, the first alignment film and the second alignment film have alignment directions that are substantially parallel but opposite to each other and the liquid crystal molecules are set at a tilt angle for being nearly vertically aligned.
    Type: Application
    Filed: October 28, 2015
    Publication date: July 6, 2017
    Inventors: Yanjun Song, Chungching Hsieh, Yongchao Zhao, Xiang Li
  • Publication number: 20170160584
    Abstract: The present invention provides a liquid crystal display panel of improving color washout, setting different alignment angles in the sub pixel areas of different colors (the included angle between the alignment direction of the liquid crystal molecules and the branch electrode of the pixel electrode). Then, the alignment angle of the red sub pixel area is the largest, and the alignment angle of the green sub pixel area is smaller, and the alignment angle of the blue sub pixel area is smallest. Thus, it is possible to respectively modulate the transmittance-voltage curves and the brightness-voltage curves of the lights of different colors to optimize the white dot chromaticity for satisfying the optical specification and compensate the losing transmittance of the blue light in the panel for improving the color washout problem.
    Type: Application
    Filed: October 12, 2015
    Publication date: June 8, 2017
    Inventors: Yanjun Song, Yongchao Zhao, Chungching Hsieh
  • Patent number: 8680016
    Abstract: A testing method of nucleic acid binding protein based on biochip, comprises the following steps: 1. puts a plurality of groups solution including nucleic acid captured probes into biological sample including a plurality of nucleic acid binding protein to be test, and thus forming nucleic acid captured probe-nucleic acid binding protein complexes; such nucleic acid captured probe includes at least a segment of binding sequence which can bind with aimed nucleic acid binding protein; 2. separates such nucleic acid captured probe-nucleic acid binding protein complexes, then recoveries nucleic acid captured probes; 3. hybridizes the nucleic acid captured probes according to step 2 with a plurality of single strand blotting probes on biochip substrate; the sequence of such blotting probe compensates with such nucleic acid captured probe or one of its strand; 4. detects the result of hybridization.
    Type: Grant
    Filed: November 23, 2004
    Date of Patent: March 25, 2014
    Assignees: CapitalBio Corporation, Tsinghua University
    Inventors: Wei Shao, Yongchao Zhao, Yimin Sun, Jiying Qiao, Huajiang Wei, Weiping Yang, Yuxiang Zhou, Jing Cheng
  • Publication number: 20090018025
    Abstract: A testing method of nucleic acid binding protein based on biochip, comprises the following steps: 1. puts a plurality of groups solution including nucleic acid captured probes into biological sample including a plurality of nucleic acid binding protein to be test, and thus forming nucleic acid captured probe-nucleic acid binding protein complexes; such nucleic acid captured probe includes at least a segment of binding sequence which can bind with aimed nucleic acid binding protein; 2. separates such nucleic acid captured probe-nucleic acid binding protein complexes, then recoveries nucleic acid captured probes; 3. hybridizes the nucleic acid captured probes according to step 2 with a plurality of single strand blotting probes on biochip substrate; the sequence of such blotting probe compensates with such nucleic acid captured probe or one of its strand; 4. detects the result of hybridization.
    Type: Application
    Filed: November 23, 2004
    Publication date: January 15, 2009
    Inventors: Wei Shao, Yongchao Zhao, Yimin Sun, Jiying Qiao, Huajiang Wei, Weiping Yang, Yuxiang Zhou, Jing Cheng