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).
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Publication number: 20180217436Abstract: 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: ApplicationFiled: January 19, 2017Publication date: August 2, 2018Applicant: Shenzhen China Star Optoelectronics Technology Co., Ltd.Inventors: Rentang Zhao, Chung Ching Hsieh, Yongchao Zhao
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Patent number: 10023802Abstract: 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: GrantFiled: November 17, 2015Date of Patent: July 17, 2018Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Yongchao Zhao, Chungching Hsieh, Yanjun Song
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Patent number: 9971204Abstract: 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: GrantFiled: April 22, 2016Date of Patent: May 15, 2018Assignee: Shenzhen China Star Optoelectronics Technology Co., Ltd.Inventors: Xiang Li, Chungching Hsieh, Yongchao Zhao, Rentang Zhao
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Publication number: 20180120629Abstract: 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: ApplicationFiled: August 7, 2015Publication date: May 3, 2018Applicant: SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Yongchao ZHAO, Chungching HSIEH, Xiang Ll, Yanjun SONG
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Publication number: 20180039109Abstract: 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: ApplicationFiled: May 22, 2015Publication date: February 8, 2018Inventors: XIANG LI, CHUNG-CHING HSIEH, YANJUN SONG, YONGCHAO ZHAO, RENTANG ZHAO
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Patent number: 9846333Abstract: 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: GrantFiled: September 17, 2015Date of Patent: December 19, 2017Assignee: Shenzhen China Star OptoElectronics Technology Co., Ltd.Inventors: Yanjun Song, Chungching Hsieh, Yongchao Zhao, Xiang Li
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Patent number: 9804433Abstract: 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: GrantFiled: October 12, 2015Date of Patent: October 31, 2017Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Yanjun Song, Yongchao Zhao, Chungching Hsieh
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Patent number: 9791746Abstract: 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: GrantFiled: October 28, 2015Date of Patent: October 17, 2017Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Yanjun Song, Chungching Hsieh, Yongchao Zhao, Xiang Li
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Publication number: 20170285412Abstract: 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: ApplicationFiled: April 22, 2016Publication date: October 5, 2017Inventors: Xiang LI, Chungching HSIEH, Yongchao ZHAO, Rentang ZHAO
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Publication number: 20170261817Abstract: 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: ApplicationFiled: December 25, 2015Publication date: September 14, 2017Applicant: Shenzhen China Star Optoelectronics Technology Co., Ltd.Inventors: Yongchao ZHAO, Chung-ching HSIEH, Rentang ZHAO
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Publication number: 20170261816Abstract: 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: ApplicationFiled: December 31, 2015Publication date: September 14, 2017Applicant: Shenzhen China Star Optoelectronics Technology Co., Ltd.Inventors: Yongchao ZHAO, Chung-ching HSIEH, Xiang LI
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Publication number: 20170255063Abstract: 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: ApplicationFiled: September 17, 2015Publication date: September 7, 2017Inventors: Yanjun SONG, Chungching HSIEH, Yongchao ZHAO, Xiang LI
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Publication number: 20170227821Abstract: 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: ApplicationFiled: August 13, 2015Publication date: August 10, 2017Applicant: Shenzhen China Star Optoelectronics Technology Co., Ltd.Inventors: Yanjun SONG, Yongchao ZHAO, Chung-ching HSIEH, Xiang LI, Rentang ZHAO
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Publication number: 20170190974Abstract: 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: ApplicationFiled: November 17, 2015Publication date: July 6, 2017Applicant: Shenzhen China Star Optoelectronics Technology Co., Ltd.Inventors: Yongchao ZHAO, Chungching HSIEH, Yanjun SONG
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Publication number: 20170192306Abstract: 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: ApplicationFiled: October 28, 2015Publication date: July 6, 2017Inventors: Yanjun Song, Chungching Hsieh, Yongchao Zhao, Xiang Li
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Publication number: 20170160584Abstract: 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: ApplicationFiled: October 12, 2015Publication date: June 8, 2017Inventors: Yanjun Song, Yongchao Zhao, Chungching Hsieh
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Patent number: 8680016Abstract: 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: GrantFiled: November 23, 2004Date of Patent: March 25, 2014Assignees: CapitalBio Corporation, Tsinghua UniversityInventors: Wei Shao, Yongchao Zhao, Yimin Sun, Jiying Qiao, Huajiang Wei, Weiping Yang, Yuxiang Zhou, Jing Cheng
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Publication number: 20090018025Abstract: 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: ApplicationFiled: November 23, 2004Publication date: January 15, 2009Inventors: Wei Shao, Yongchao Zhao, Yimin Sun, Jiying Qiao, Huajiang Wei, Weiping Yang, Yuxiang Zhou, Jing Cheng