Patents by Inventor Tae Joon Song

Tae Joon Song 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: 20110298159
    Abstract: Disclosed is an imprinting apparatus and imprinting method using the same that prevent a process of forming a pattern on a substrate from being affected by flatness of a stage. The imprinting apparatus comprises a chamber unit in which a process of forming a pattern on a substrate is carried out; a stage for supporting the substrate on which a resin layer is formed; an installing member positioned above the stage and having a mold member attached to transform the resin layer so as to form the pattern on the substrate; and a first spraying unit for spraying fluid to separate the substrate supported by the stage from the stage, wherein the installing member moves the mold member in the direction getting near to the substrate separated from the stage so that the mold member and the resin layer are brought into contact with each other.
    Type: Application
    Filed: May 13, 2011
    Publication date: December 8, 2011
    Inventors: Doo Hee JANG, Tae Joon Song, Dhang Kwon, Hang Sup Cho, Seong Pil Cho, Ho Su Kim, Jin Hee Jang
  • Publication number: 20110273647
    Abstract: A flat panel display device includes a thin film pattern formed by an imprinting mold pressing imprinting resin on a substrate, an outer thin film pattern formed on an outer region of the substrate, adjacent to the thin film pattern, wherein the outer thin film pattern is used as a demolding seed for demolding the substrate from the imprinting mold, and the outer thin film pattern configured to limit movement of the imprinting resin.
    Type: Application
    Filed: May 2, 2011
    Publication date: November 10, 2011
    Inventors: Ho-Su Kim, Tae-Joon Song, Dhang Kwon, Hang-Sup Cho, Seong-Pil Cho, Doo-Hee Jang
  • Publication number: 20110274840
    Abstract: An apparatus and a method of fabricating a thin film pattern, capable of forming a demolding seed between an imprinting mold and a substrate in a demolding process of demolding an imprinting mold from a substrate, are disclosed. The method of fabricating a thin film pattern includes coating imprinting resin on the other region except an edge region of a substrate, forming a thin film pattern on the substrate by contacting an imprinting mold with the imprinting resin, and demolding the imprinting mold from the substrate.
    Type: Application
    Filed: May 2, 2011
    Publication date: November 10, 2011
    Inventors: Dhang Kwon, Tae-Joon Song, Hang-Sup Cho, Seong-Pil Cho, Ho-Su Kim, Doo-Hee Jang
  • Publication number: 20110266709
    Abstract: Disclosed are an apparatus and method for fabricating a flat panel display device to realize easy separation of a substrate from an imprinting mold. The apparatus includes an imprinting mold connected to a substrate to form a thin film pattern on the substrate, a first adsorption pad to vacuum-adsorb the center of the imprinting mold, a second adsorption pad to vacuum-adsorb the periphery of the imprinting mold, and a connector connected to vacuum pins to vertically move in different regions of the first and second adsorption pads.
    Type: Application
    Filed: April 15, 2011
    Publication date: November 3, 2011
    Inventors: Tae-Joon SONG, Dhang KWON, Hang-Sup CHO, Seong-Pil CHO, Ho Su KIM, Doo-Hee JANG
  • Publication number: 20110147969
    Abstract: A fabricating apparatus and a method of a flat plate display are disclosed. A fabricating apparatus of a flat plate display includes a stage on which a substrate is seated, an imprinting mold bonded with the substrate to form a thin film pattern on the substrate, the imprinting mold comprises projections and grooves, and a temperature adjusting part configured to compensate a total pitch of the substrate as much as total pitch difference with a total pitch of the imprinting mold before the imprinting mold is bonded with the substrate.
    Type: Application
    Filed: October 26, 2010
    Publication date: June 23, 2011
    Inventor: Tae-Joon SONG
  • Publication number: 20110147989
    Abstract: Disclosed are a device and method for fabricating a flat display device which can minimize an error of alignment of an imprinting mold and a substrate. The device for fabricating a flat display device includes a stage for seating a substrate; an imprinting mold bonded with the substrate to form a thin film pattern on the substrate, the imprinting mold comprises projections and grooves; and a mold holder for holding sides of the imprinting mold when the substrate and the imprinting mold are bonded with each other.
    Type: Application
    Filed: October 26, 2010
    Publication date: June 23, 2011
    Inventors: Tae-Joon SONG, Seong-Pil Cho
  • Publication number: 20110147988
    Abstract: A fabricating apparatus and a method of a flat plate display are disclosed. A fabricating apparatus of a flat plate display includes a stage on which a substrate is seated, an imprinting mold bonded with the substrate to form a thin film pattern on the substrate, the imprinting mold comprises projections and grooves, a supporter configured to support the imprinting mold, and a horizontal compensating part configured to compensate downward-bending of the imprinting mold by pressing the imprinting mold.
    Type: Application
    Filed: October 25, 2010
    Publication date: June 23, 2011
    Inventors: Tae-Joon Song, Jin-Wuk Kim, Seong-Pil Cho
  • Publication number: 20110147990
    Abstract: A fabricating apparatus and a method of a flat plate display are disclosed. A fabricating apparatus of a flat plate display includes a stage on which a substrate having liquid resin formed thereon is seated, a imprinting mold bonded with the liquid resin of the substrate to form a thin film pattern on the substrate, the imprinting mold comprises projections and grooves, and a planarization layer formed between the stage and the substrate to planarize a surface of the stage.
    Type: Application
    Filed: October 27, 2010
    Publication date: June 23, 2011
    Inventors: Ju-Hyuk KIM, Tae-Joon Song, Seong-Pil Cho
  • Patent number: 7958914
    Abstract: A liquid crystal dropping apparatus is used in the manufacture of liquid crystal display devices, which is designed to apply vibration energy to liquid crystal charged in a liquid crystal container, thereby allowing the liquid crystal to be dropped as a spray. The liquid crystal dropping apparatus includes a liquid crystal container in which liquid crystal is charged so that a pressure is applied to the liquid crystal if gas is supplied into the liquid crystal container, an opening and closing device for opening and closing a liquid crystal discharge hole provided at a lower end of the liquid crystal container, and a vibration energy supply device for supplying vibration energy to the interior of the liquid crystal container.
    Type: Grant
    Filed: December 8, 2006
    Date of Patent: June 14, 2011
    Assignee: LG Display Co., Ltd.
    Inventor: Tae Joon Song
  • Publication number: 20110062395
    Abstract: A liquid-crystal display includes a first substrate and a second substrate disposed opposite the first substrate, and a plurality of pixel areas formed on the first substrate, where each pixel area has red, green, blue, and white sub-pixel areas. Red, green and blue color filter layers are disposed on the red, green and blue sub-pixel areas, respectively, and an overcoat layer is disposed over the red, green and blue color filter layers, where a portion of the overcoat layer forms a white color filter layer in the white sub-pixel area. The overcoat layer is formed from a UV-curable liquid pre-polymer material, which includes monomers each having a mono-functional group, and at least a di-functional group or a tri-functional group.
    Type: Application
    Filed: November 17, 2010
    Publication date: March 17, 2011
    Inventors: Jim Wuk Kim, Tae Joon Song, Yeon Heui Nam, Seong Pil Cho
  • Publication number: 20100320361
    Abstract: A manufacturing method of a color filter substrate includes forming a black matrix on a substrate, the black matrix including first, second, third and fourth openings, forming first, second and third color filter patterns in the first, second and third openings, forming an overcoat layer on the substrate, disposing a soft mold on the organic material layer, the soft mold including first depressed portions and a second depressed portion, the first depressed portions corresponding to the black matrix, and the second depressed portion corresponding to the fourth opening, wherein a first depth of the first depressed portions is larger than a second depth of the second depressed portion, applying pressure to the soft mold such that the first and second depressed portions are filled with the overcoat layer, first curing the overcoat layer, detaching the soft mold from the overcoat layer, and second curing the overcoat layer.
    Type: Application
    Filed: August 25, 2010
    Publication date: December 23, 2010
    Inventor: Tae Joon SONG
  • Patent number: 7854858
    Abstract: A liquid-crystal display includes a first substrate and a second substrate disposed opposite the first substrate, and a plurality of pixel areas formed on the first substrate, where each pixel area has red, green, blue, and white sub-pixel areas. Red, green and blue color filter layers are disposed on the red, green and blue sub-pixel areas, respectively, and an overcoat layer is disposed over the red, green and blue color filter layers, where a portion of the overcoat layer forms a white color filter layer in the white sub-pixel area. The overcoat layer is formed from a UV-curable liquid pre-polymer material, which includes monomers each having a mono-functional group, and at least a di-functional group or a tri-functional group.
    Type: Grant
    Filed: October 30, 2007
    Date of Patent: December 21, 2010
    Assignee: LG Display Co., Ltd.
    Inventors: Jin Wuk Kim, Tae Joon Song, Yeon Heui Nam, Seong Pil Cho
  • Patent number: 7799263
    Abstract: A manufacturing method of a color filter substrate includes forming a black matrix on a substrate, the black matrix including first, second, third and fourth openings, forming first, second and third color filter patterns in the first, second and third openings, forming an overcoat layer on the substrate, disposing a soft mold on the organic material layer, the soft mold including first depressed portions and a second depressed portion, the first depressed portions corresponding to the black matrix, and the second depressed portion corresponding to the fourth opening, wherein a first depth of the first depressed portions is larger than a second depth of the second depressed portion, applying pressure to the soft mold such that the first and second depressed portions are filled with the overcoat layer, first curing the overcoat layer, detaching the soft mold from the overcoat layer, and second curing the overcoat layer.
    Type: Grant
    Filed: September 7, 2007
    Date of Patent: September 21, 2010
    Assignee: LG Display Co., Ltd.
    Inventor: Tae Joon Song
  • Patent number: 7724324
    Abstract: A liquid crystal display panel includes: a thin film transistor array substrate; a color filter array substrate opposite the thin film transistor array substrate; and a liquid crystal layer between the thin film transistor array substrate and the color filter array substrate, wherein the color filter array substrate includes: a black matrix partitioning sub pixels; a plurality of color filters at respective sub pixels; and a spacer-integrated planarizing layer arranged on the color filters and the black matrix, wherein the spacer-integrated planarizing layer includes a planarized surface at each of the sub pixels and a spacer pattern integrated with the planarized surface and protruding at the black matrix to maintain a cell gap between the thin film transistor array substrate and the color filter array substrate, wherein the spacer-integrated planarizing layer includes a liquid crystalline material.
    Type: Grant
    Filed: December 28, 2007
    Date of Patent: May 25, 2010
    Assignee: LG Display Co., Ltd.
    Inventors: Gee Sung Chae, Tae Joon Song
  • Publication number: 20100123269
    Abstract: A photosensitive resin composition and a method for forming an organic film on a substrate are provided. Because the photosensitive resin composition for imprinting includes an erythrotol-based monomer or oligomer, an organic film formed by the photosensitive resin composition for imprinting has improved restoring force. Therefore, the photosensitive resin composition is appropriate for imprinting processes.
    Type: Application
    Filed: November 12, 2009
    Publication date: May 20, 2010
    Inventors: Yeon Heui NAM, Jin Wuk Kim, Tae Joon Song, Seong Pil Cho, Byung Uk Kim, Seung Hyup Shin, Jun Yong Song, Myoung Soo Lee
  • Patent number: 7645413
    Abstract: A method of forming a pattern is disclosed, which can improve the interfacial properties between a soft mold and a substrate including a pattern-formation material, the method comprising loading a substrate coated with a pattern-formation material into a chamber; positioning a soft mold, whose surface is provided with embossing and depressed patterns, in opposite to the substrate inside the chamber; forming an adsorption layer by evaporating some components of the pattern-formation material and adsorbing the components evaporated from the pattern-formation material to the surface of soft mold; forming a pattern layer with a shape being inverted to the embossing and depressed patterns included in the surface of soft mold by bring the soft mold including the adsorption layer into contact with the remaining pattern-formation material; and separating the soft mold from the pattern layer.
    Type: Grant
    Filed: November 27, 2007
    Date of Patent: January 12, 2010
    Assignee: LG Display Co., Ltd.
    Inventor: Tae Joon Song
  • Publication number: 20080259255
    Abstract: A liquid crystal display panel includes: a thin film transistor array substrate; a color filter array substrate opposite the thin film transistor array substrate; and a liquid crystal layer between the thin film transistor array substrate and the color filter array substrate, wherein the color filter array substrate includes: a black matrix partitioning sub pixels; a plurality of color filters at respective sub pixels; and a spacer-integrated planarizing layer arranged on the color filters and the black matrix, wherein the spacer-integrated planarizing layer includes a planarized surface at each of the sub pixels and a spacer pattern integrated with the planarized surface and protruding at the black matrix to maintain a cell gap between the thin film transistor array substrate and the color filter array substrate, wherein the spacer-integrated planarizing layer includes a liquid crystalline material.
    Type: Application
    Filed: December 28, 2007
    Publication date: October 23, 2008
    Inventors: Gee Sung Chae, Tae Joon Song
  • Publication number: 20080246906
    Abstract: A liquid crystal display device and a method of fabricating the same is disclosed, to provide a liquid crystal display device to simplify the process and decrease the fabrication cost, the liquid crystal display device includes a first substrate having a color filter and a second substrate having a thin film transistor, wherein the first and second substrates face each other, a first passivation film formed on the thin film transistor, and a first column spacer formed integrally with the first passivation film.
    Type: Application
    Filed: December 28, 2007
    Publication date: October 9, 2008
    Inventors: Jin Wuk Kim, Tae Joon Song
  • Publication number: 20080157438
    Abstract: A method of forming a pattern is disclosed, which can improve the interfacial properties between a soft mold and a substrate including a pattern-formation material, the method comprising loading a substrate coated with a pattern-formation material into a chamber; positioning a soft mold, whose surface is provided with embossing and depressed patterns, in opposite to the substrate inside the chamber; forming an adsorption layer by evaporating some components of the pattern-formation material and adsorbing the components evaporated from the pattern-formation material to the surface of soft mold; forming a pattern layer with a shape being inverted to the embossing and depressed patterns included in the surface of soft mold by bring the soft mold including the adsorption layer into contact with the remaining pattern-formation material; and separating the soft mold from the pattern layer.
    Type: Application
    Filed: November 27, 2007
    Publication date: July 3, 2008
    Applicant: LG.PHILIPS LCD CO., LTD.
    Inventor: Tae Joon Song
  • Publication number: 20080158487
    Abstract: A liquid-crystal display includes a first substrate and a second substrate disposed opposite the first substrate, and a plurality of pixel areas formed on the first substrate, where each pixel area has red, green, blue, and white sub-pixel areas. Red, green and blue color filter layers are disposed on the red, green and blue sub-pixel areas, respectively, and an overcoat layer is disposed over the red, green and blue color filter layers, where a portion of the overcoat layer forms a white color filter layer in the white sub-pixel area. The overcoat layer is formed from a UV-curable liquid pre-polymer material, which includes monomers each having a mono-functional group, and at least a di-functional group or a tri-functional group.
    Type: Application
    Filed: October 30, 2007
    Publication date: July 3, 2008
    Inventors: Jin Wuk Kim, Tae Joon Song, Yeon Heui Nam, Seong Pil Cho