Patents by Inventor Seung-Ryul Park
Seung-Ryul Park 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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Patent number: 11921929Abstract: Provided is a stereoscopic surface display device including a stereoscopic display unit having a cell area, wherein the stereoscopic display unit includes a first flexible layer, a first optical waveguide and a first optical output unit in the first flexible layer, wherein the first optical output unit are disposed in the cell area, a first light source disposed on a side of the stereoscopic display unit, wherein the first optical waveguide connects the first light source and the first optical output unit, a first photothermal response layer on the first flexible layer, wherein the first photothermal response layer is configured to receive output light emitted from the first optical output unit and emit thermal energy, and a shape deformation layer on the first photothermal response layer, wherein the shape deformation layer is configured to generate bending deformation by receiving the thermal energy from the first photothermal response layer.Type: GrantFiled: February 7, 2023Date of Patent: March 5, 2024Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Sung Ryul Yun, Seung Koo Park, Inwook Hwang, Seongcheol Mun, Mi Jeong Choi
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Publication number: 20180056341Abstract: A compact apparatus for removing scale includes: a wire spring mounted at an end thereof with a cutting blade and having a predetermined force to remove the scale from a pipe; a first gear unit; a second gear unit rotatably coupled to the first gear unit; a vertical gear unit having a rotation axis perpendicular to the second gear unit, rotatably coupled to the second gear unit, and including a first guide wheel for moving the wire spring in one direction or an opposite direction; a connection gear unit rotatably coupled to the vertical gear unit, and including a second guide wheel disposed horizontally in a same plane with the first guide wheel to move the wire spring in one direction or the opposite direction together with the first guide wheel; and a support plate for rotatably supporting the vertical gear unit and the connection gear unit.Type: ApplicationFiled: July 21, 2017Publication date: March 1, 2018Inventor: SEUNG RYUL PARK
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Patent number: 7667784Abstract: A liquid crystal display device includes first and second substrates facing each other with a predetermined space therebetween, a liquid crystal material layer disposed between the first and second substrates, a seal pattern formed between the first and second substrates to surround the liquid crystal material layer, and a blocking layer formed over a first surface of the second substrate to cover the seal pattern.Type: GrantFiled: December 20, 2002Date of Patent: February 23, 2010Inventors: Woong-Kwon Kim, Seung-Ryul Park
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Patent number: 7633595Abstract: A liquid crystal display includes a gate line disposed on a substrate; a data line disposed on the substrate, a pixel area being defined by an intersection of the gate line and the data line; a thin film transistor locating at the intersection of the gate line and the data line; a color filter disposed at each pixel area on the substrate; a spacer formed on a first base surface of the thin film transistor area; a rib formed on a second base surface of the pixel area; and a dummy pattern disposed at the thin film transistor area to form a stepped difference of the first base surface and the second base surface.Type: GrantFiled: December 23, 2004Date of Patent: December 15, 2009Assignee: LG Display Co., Ltd.Inventors: Woong-Kwon Kim, Seung-Ryul Park
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Patent number: 7236220Abstract: A manufacturing method of a liquid crystal display device is provided. The method includes forming a gate line and a data line on a substrate; forming a thin film transistor connected to the gate and data lines, the thin film transistor including a gate electrode, a semiconductor layer, a source electrode and a drain electrode; forming a black matrix over the thin film transistor, the black matrix having an opening; forming a first conductive layer on a substrate having the black matrix such that the first conductive layer contacts a portion of the drain electrode; forming a color filter layer on the first conductive layer at a portion corresponding to the opening of the black matrix; partially etching a surface of the first conductive layer corresponding to the black matrix; forming a second conductive layer on the color filter layer such that the second conductive layer contacts the partially etched first conductive layer; and forming a pixel electrode by patterning the first and second conductive layers.Type: GrantFiled: December 23, 2004Date of Patent: June 26, 2007Assignee: LG.Philips LCD Co., Ltd.Inventors: Se-June Kim, Seung-Ryul Park, Dong-Guk Kim
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Patent number: 6947106Abstract: A liquid crystal display panel having a light impermeable layer with alignment marks is disclosed in the present invention. The panel includes a light impermeable layer on a substrate, a plurality of alignment marks around at least first and second corners of the substrate, the first and second corners being separated from each other in a diagonal direction, and a plurality of color filter layers on light impermeable layer.Type: GrantFiled: April 30, 2002Date of Patent: September 20, 2005Assignee: LG.Philips LCD Co., Ltd.Inventors: Youn Gyoung Chang, Seung Ryul Park
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Publication number: 20050140892Abstract: A liquid crystal display includes a gate line disposed on a substrate; a data line disposed on the substrate, a pixel area being defined by an intersection of the gate line and the data line; a thin film transistor locating at the intersection of the gate line and the data line; a color filter disposed at each pixel area on the substrate; a spacer formed on a first base surface of the thin film transistor area; a rib formed on a second base surface of the pixel area; and a dummy pattern disposed at the thin film transistor area to form a stepped difference of the first base surface and the second base surface.Type: ApplicationFiled: December 23, 2004Publication date: June 30, 2005Inventors: Woong-Kwon Kim, Seung-Ryul Park
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Publication number: 20050139922Abstract: A manufacturing method of a liquid crystal display device is provided. The method includes forming a gate line and a data line on a substrate; forming a thin film transistor connected to the gate and data lines, the thin film transistor including a gate electrode, a semiconductor layer, a source electrode and a drain electrode; forming a black matrix over the thin film transistor, the black matrix having an opening; forming a first conductive layer on a substrate having the black matrix such that the first conductive layer contacts a portion of the drain electrode; forming a color filter layer on the first conductive layer at a portion corresponding to the opening of the black matrix; partially etching a surface of the first conductive layer corresponding to the black matrix; forming a second conductive layer on the color filter layer such that the second conductive layer contacts the partially etched first conductive layer; and forming a pixel electrode by patterning the first and second conductive layers.Type: ApplicationFiled: December 23, 2004Publication date: June 30, 2005Inventors: Se-June Kim, Seung-Ryul Park, Dong-Guk Kim
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Patent number: 6912024Abstract: An array substrate of a liquid crystal display device having a thin film transistor on a color filter structure and a method of fabricating the same are disclosed in the present invention.Type: GrantFiled: November 20, 2003Date of Patent: June 28, 2005Assignee: LG. Philips LCD Co., Ltd.Inventors: Se-Jun Kim, Seung-Ryul Park
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Patent number: 6873382Abstract: A liquid crystal display device having an array substrate of a color filter on a thin film transistor structure and a manufacturing method thereof are disclosed in the present invention. The liquid crystal display device having an array substrate includes an array substrate, a plurality of gate lines and data lines over the substrate, the gate and data lines defining a pixel region, a thin film transistor formed at each crossing region of the gate lines and the data lines, the thin film transistor including a gate electrode, an active layer, a source electrode, and a drain electrode, a black matrix over the thin film transistor, exposing a portion of the drain electrode, a first pixel electrode at the pixel region, contacting the exposed portion of the drain electrode, a color filter on the first pixel electrode at the pixel region, and a second pixel electrode on the color filter, directly contacting the first pixel electrode.Type: GrantFiled: April 24, 2003Date of Patent: March 29, 2005Assignee: LG. Philips LCD Co., Ltd.Inventors: Youn-Gyoung Chang, Seung-Ryul Park
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Patent number: 6853433Abstract: A liquid crystal display device includes an upper substrate including a first soda lime glass material, an ion blocking layer on the first soda lime glass material, a color filter layer, and a common electrode, a lower substrate including a second soda lime glass material, a transparent organic insulator on the second soda lime glass material, and a thin film transistor on the transparent organic insulator, and a liquid crystal material layer interposed between the upper substrate and the lower substrate.Type: GrantFiled: June 27, 2003Date of Patent: February 8, 2005Assignee: LG. Philips LCD Co., Ltd.Inventors: Woong-Kwon Kim, Seung-Ryul Park
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Patent number: 6803975Abstract: The present invention discloses an array substrate for use in a liquid crystal display device, which includes a transparent substrate that includes a display area and a non-display area. A plurality of red, green and blue color filters are formed on the transparent substrate in the display area. A first alignment key is formed on the transparent substrate in the non-display area and made of the same material as the color filters. An overcoat layer is formed on the plurality of red, green and blue color filters to cover the color filters in the display area. A passivation layer covers gate and data lines and a thin film transistor in the display area and covers the first alignment key in the non-display area, the passivation layer having a drain contact hole to the thin film transistor. A pixel electrode is formed on the passivation layer in the display area, the pixel electrode contacting the thin film transistor through the drain contact hole.Type: GrantFiled: July 25, 2002Date of Patent: October 12, 2004Assignee: LG. Phillips LCD CO., Ltd.Inventors: Woong-Kwon Kim, Seung-Ryul Park
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Publication number: 20040109110Abstract: An array substrate of a liquid crystal display device having a thin film transistor on a color filter structure and a method of fabricating the same are disclosed in the present invention.Type: ApplicationFiled: November 20, 2003Publication date: June 10, 2004Applicant: LG.Philips LCD Co., Ltd.Inventors: Se-Jun Kim, Seung-Ryul Park
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Publication number: 20040090588Abstract: A liquid crystal display device includes an upper substrate including a first soda lime glass material, an ion blocking layer on the first soda lime glass material, a color filter layer, and a common electrode, a lower substrate including a second soda lime glass material, a transparent organic insulator on the second soda lime glass material, and a thin film transistor on the transparent organic insulator, and a liquid crystal material layer interposed between the upper substrate and the lower substrate.Type: ApplicationFiled: June 27, 2003Publication date: May 13, 2004Applicant: LG.Philips LCD Co., Ltd.Inventors: Woong-Kwon Kim, Seung-Ryul Park
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Publication number: 20040001170Abstract: A liquid crystal display device having an array substrate of a color filter on a thin film transistor structure and a manufacturing method thereof are disclosed in the present invention. The liquid crystal display device having an array substrate includes an array substrate, a plurality of gate lines and data lines over the substrate, the gate and data lines defining a pixel region, a thin film transistor formed at each crossing region of the gate lines and the data lines, the thin film transistor including a gate electrode, an active layer, a source electrode, and a drain electrode, a black matrix over the thin film transistor, exposing a portion of the drain electrode, a first pixel electrode at the pixel region, contacting the exposed portion of the drain electrode, a color filter on the first pixel electrode at the pixel region, and a second pixel electrode on the color filter, directly contacting the first pixel electrode.Type: ApplicationFiled: April 24, 2003Publication date: January 1, 2004Applicant: LG.PHILIPS LCD CO., LTD.Inventors: Youn-Gyoung Chang, Seung-Ryul Park
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Publication number: 20030123017Abstract: A liquid crystal display device includes first and second substrates facing each other with a predetermined space therebetween, a liquid crystal material layer disposed between the first and second substrates, a seal pattern formed between the first and second substrates to surround the liquid crystal material layer, and a blocking layer formed over a first surface of the second substrate to cover the seal pattern.Type: ApplicationFiled: December 20, 2002Publication date: July 3, 2003Applicant: LG.Philips LCD Co., Ltd.Inventors: Woong-Kwon Kim, Seung-Ryul Park
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Publication number: 20030067569Abstract: A liquid crystal display panel having a light impermeable layer with alignment marks is disclosed in the present invention. The panel includes a light impermeable layer on a substrate, a plurality of alignment marks around at least first and second corners of the substrate, the first and second corners being separated from each other in a diagonal direction, and a plurality of color filter layers on light impermeable layer.Type: ApplicationFiled: April 30, 2002Publication date: April 10, 2003Applicant: LG.Philips LCD Co., Ltd.Inventors: Youn Gyoung Chang, Seung Ryul Park
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Publication number: 20030020851Abstract: The present invention discloses an array substrate for use in a liquid crystal display device, which includes a transparent substrate that includes a display area and a non-display area. A plurality of red, green and blue color filters are formed on the transparent substrate in the display area. A first alignment key is formed on the transparent substrate in the non-display area and made of the same material as the color filters. An overcoat layer is formed on the plurality of red, green and blue color filters to cover the color filters in the display area. A passivation layer covers gate and data lines and a thin film transistor in the display area and covers the first alignment key in the non-display area, the passivation layer having a drain contact hole to the thin film transistor. A pixel electrode is formed on the passivation layer in the display area, the pixel electrode contacting the thin film transistor through the drain contact hole.Type: ApplicationFiled: July 25, 2002Publication date: January 30, 2003Inventors: Woong-Kwon Kim, Seung-Ryul Park