Patents by Inventor Sei-Yong PARK
Sei-Yong 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: 10896649Abstract: A liquid crystal display panel includes a first odd source electrode and a first odd drain electrode on a first odd semiconductor layer have the same shapes as a first even drain electrode and a first even source electrode on a first even semiconductor layer, and when viewed in a plan view, a shape of a even pixel, except for a first even transistor, has substantially inversion symmetry with a shape of a odd pixel about a point on a virtual line parallel to a second direction.Type: GrantFiled: February 24, 2020Date of Patent: January 19, 2021Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Jang-Il Kim, Sei-yong Park, Yongdoo Park, Joonggun Chong, Sunghee Hong
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Publication number: 20200193922Abstract: A liquid crystal display panel includes a first odd source electrode and a first odd drain electrode on a first odd semiconductor layer have the same shapes as a first even drain electrode and a first even source electrode on a first even semiconductor layer, and when viewed in a plan view, a shape of a even pixel, except for a first even transistor, has substantially inversion symmetry with a shape of a odd pixel about a point on a virtual line parallel to a second direction.Type: ApplicationFiled: February 24, 2020Publication date: June 18, 2020Inventors: Jang-Il KIM, Sei-yong PARK, Yongdoo PARK, Joonggun CHONG, Sunghee HONG
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Patent number: 10607555Abstract: A liquid crystal display panel includes a first odd source electrode and a first odd drain electrode on a first odd semiconductor layer have the same shapes as a first even drain electrode and a first even source electrode on a first even semiconductor layer, and when viewed in a plan view, a shape of a even pixel, except for a first even transistor, has substantially inversion symmetry with a shape of a odd pixel about a point on a virtual line parallel to a second direction.Type: GrantFiled: December 17, 2014Date of Patent: March 31, 2020Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Jang-Il Kim, Sei-yong Park, Yongdoo Park, Joonggun Chong, Sunghee Hong
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Patent number: 10146089Abstract: A curved display device including a first substrate, a thin film transistor (TFT) disposed on the first substrate, a pixel electrode connected to the TFT, a second substrate overlapping the first substrate, a liquid crystal layer disposed between the first and the second substrates, and a common electrode disposed between the second substrate and the liquid crystal layer, in which the pixel electrode includes a cross-shaped stem portion having a horizontal stem portion, a vertical stem portion, and a plurality of fine branches extending from the cross-shaped stem portion, at least one of the fine branches includes a first portion and a second portion having a width greater than that of the first portion, and an extending line from a boundary between the first portion and the second portion is sloped at an angle in a range of ?10 degrees to +10 degrees with respect to the vertical stem portion.Type: GrantFiled: September 21, 2017Date of Patent: December 4, 2018Assignee: Samsung Display Co., Ltd.Inventors: Sung Hee Hong, Jang-Il Kim, Un Byoll Ko, Sei-Yong Park, Jung Wook Lee
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Patent number: 9983443Abstract: A display device may include a floating electrode, a common-voltage electrode, a transistor, and a pixel electrode. The floating electrode may be electrically floating. The common-voltage electrode may be electrically connected to a voltage source. The pixel electrode may be electrically connected to the transistor. A first portion of the pixel electrode may overlap neither of the floating electrode and the common-voltage electrode in a direction perpendicular to at least one of the pixel electrode and an image display side of the display device. A second portion of the pixel electrode may overlap the common-voltage electrode. A third portion of the pixel electrode may overlap the floating electrode.Type: GrantFiled: July 16, 2015Date of Patent: May 29, 2018Assignee: Samsung Display Co., Ltd.Inventors: Jang-Il Kim, Un Byoll Ko, Yeo Geon Yoon, Hyung Gi Jung, Sei-Yong Park, Sung Hee Hong, Seung Jun Yu, Hyun-Ho Kang, Se Jin Kim
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Publication number: 20180011377Abstract: A curved display device including a first substrate, a thin film transistor (TFT) disposed on the first substrate, a pixel electrode connected to the TFT, a second substrate overlapping the first substrate, a liquid crystal layer disposed between the first and the second substrates, and a common electrode disposed between the second substrate and the liquid crystal layer, in which the pixel electrode includes a cross-shaped stem portion having a horizontal stem portion, a vertical stem portion, and a plurality of fine branches extending from the cross-shaped stem portion, at least one of the fine branches includes a first portion and a second portion having a width greater than that of the first portion, and an extending line from a boundary between the first portion and the second portion is sloped at an angle in a range of ?10 degrees to +10 degrees with respect to the vertical stem portion.Type: ApplicationFiled: September 21, 2017Publication date: January 11, 2018Inventors: Sung Hee HONG, Jang-IL KIM, Un Byoll KO, Sei-Yong PARK, Jung Wook LEE
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Patent number: 9841631Abstract: A display panel includes a first substrate, a first thin film transistor disposed on the first substrate, a color filter disposed on the first thin film transistor, a passivation layer disposed on the color filter, a first opening being formed through the passivation layer and extending into the color filter, and a first pixel electrode disposed on the passivation layer, electrically connected to the first thin film transistor, and overlapping the first opening.Type: GrantFiled: September 19, 2016Date of Patent: December 12, 2017Assignee: Samsung Display Co., Ltd.Inventors: Sung-Hee Hong, Yeo-Geon Yoon, Jang-Il Kim, Sei-Yong Park
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Patent number: 9817281Abstract: A liquid crystal display according to an exemplary embodiment of the present inventive concept includes: a first insulating substrate; a gate line and a data line, a thin film transistor connected to the gate line and the data line, a pixel electrode connected to the thin film transistor, and a second insulating substrate facing the first insulating substrate, wherein one pixel includes the thin film transistor and the pixel electrode and includes a first sub-region and a second sub-region which are separated by the gate line intervened therebetween, the high gradation sub-pixel electrode includes a first high gradation sub-pixel electrode disposed in the first sub-region, and a second high gradation sub-pixel electrode disposed in the second sub-region, and the low gradation sub-pixel electrode includes a first low gradation sub-pixel electrode disposed in the first sub-region, and a second low gradation sub-pixel electrode disposed in the second sub-region.Type: GrantFiled: October 7, 2015Date of Patent: November 14, 2017Assignee: Samsung Display Co., Ltd.Inventors: Oh Jeong Kwon, Yeo Geon Yoon, Sei-Yong Park, Dong-Chul Shin, Hyeok Jin Lee, Jin Won Kim, Ki Chul Shin
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Patent number: 9772522Abstract: There is provided a curved display device including a first substrate, a thin film transistor (TFT) disposed on the first substrate, a pixel electrode connected to the TFT, a second substrate facing the first substrate, a common electrode positioned on the second substrate, and a liquid crystal layer interposed between the first substrate and the second substrate, wherein the pixel electrode includes a cross-shaped stem portion including a horizontal stem portion and a vertical stem portion intersecting the horizontal stem portion and a plurality of fine branches extending from the cross-shaped stem portion, each of the fine branches includes a first portion and a second portion having a width greater than that of the first portion, and the first portion is connected to the cross-shaped stem portion.Type: GrantFiled: December 2, 2015Date of Patent: September 26, 2017Assignee: Samsung Display Co., Ltd.Inventors: Sung Hee Hong, Jang-Il Kim, Un Byoll Ko, Sei-Yong Park, Jung Wook Lee
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Patent number: 9696596Abstract: A display panel curved in a first direction includes: first and second areas corresponding to two segments of a pixel divided by a line in a second direction perpendicular to the first direction; and a first electrode, in which first sub horizontal openings are defined in the first area, and second sub horizontal openings are defined in the second area, where the first and second sub horizontal openings extend along the first direction; a second substrate including: third and fourth areas corresponding to two segments of the pixel divided by a line in the first direction; and a second electrode, in which first vertical openings are defined in the third area, and second vertical openings are defined in the fourth area, where the first and second vertical openings extend along the second direction; and a liquid crystal layer between the first and second substrates.Type: GrantFiled: January 19, 2015Date of Patent: July 4, 2017Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Jang-Il Kim, YeoGeon Yoon, Sei-yong Park, Osung Seo, Sunghee Hong
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Patent number: 9606404Abstract: A liquid crystal display includes: a first substrate; a gate line on the first substrate; a first switching element connected to the gate line, to which a data voltage is applied; a first pixel electrode connected to the first switching element; and a color filter between the first switching element and the first pixel electrode, in which is defined: two contact holes spaced apart from each other, and a connecting portion connecting the spaced apart two contact holes to each other. The first pixel electrode is connected to the first switching element via a first contact hole among the spaced apart two contact holes.Type: GrantFiled: July 8, 2015Date of Patent: March 28, 2017Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Sung Hee Hong, Jang-Il Kim, Un Byoll Ko, Sei-Yong Park, Jung Wook Lee
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Patent number: 9588383Abstract: A display device includes a transistor, a data line, a pixel electrode, a common electrode, and a liquid crystal layer. The data line is connected to a source electrode of the transistor. A geometric radius of curvature associated with the display device is perpendicular to the data line. The pixel electrode is connected to a drain electrode of the transistor and includes a plate electrode. Sides of the plate electrode are oriented at acute angles with respect to the data line in a plan view associated with the display device. The common electrode overlaps the pixel electrode and has a slit. The slit has a first edge and a second edge. The first edge is perpendicular to the data line in the plan view and is longer than the second edge. The liquid crystal layer is positioned between the pixel electrode and the common electrode.Type: GrantFiled: June 25, 2015Date of Patent: March 7, 2017Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Jang-Il Kim, Sang-Myoung Lee, Yeo Geon Yoon, Hyun-Ho Kang, Un Byoll Ko, Sei-Yong Park, O Sung Seo, Seung Jun Yu, Ha Won Yu, Ki Kyung Youk, Jung Wook Lee, Sung Hee Hong
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Publication number: 20170003550Abstract: A display panel includes a first substrate, a first thin film transistor disposed on the first substrate, a color filter disposed on the first thin film transistor, a passivation layer disposed on the color filter, a first opening being formed through the passivation layer and extending into the color filter, and a first pixel electrode disposed on the passivation layer, electrically connected to the first thin film transistor, and overlapping the first opening.Type: ApplicationFiled: September 19, 2016Publication date: January 5, 2017Inventors: Sung-Hee HONG, Yeo-Geon YOON, Jang-Il KIM, Sei-Yong PARK
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Patent number: 9470978Abstract: A passivation layer solution composition is provided. A passivation layer solution composition according to an exemplary embodiment of the present invention includes an organic siloxane resin represented by Chemical Formula 1 below. In Chemical Formula 1, R is at least one substituent selected from a saturated hydrocarbon or an unsaturated hydrocarbon having from 1 to about 25 carbon atoms, and x and y may each independently be from 1 to about 200, and wherein each wavy line indicates a bond to an H atom or to an x siloxane unit or a y siloxane unit, or a bond to an x siloxane unit or a y siloxane unit of another siloxane chain comprising x siloxane units or y siloxane units or a combination thereof.Type: GrantFiled: October 28, 2014Date of Patent: October 18, 2016Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Byung Du Ahn, Seung Ho Yeon, Sei-Yong Park, Mi-Hyae Park, Bu Sop Song, Tae Gweon Lee, Jun Hyun Park, Je Hun Lee, Jae Woo Park
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Patent number: 9472153Abstract: A display apparatus includes a plurality of gate lines extending in a first direction, a plurality of data lines extending in a second direction intersecting the first direction, a plurality of auxiliary gate lines extending in the second direction, a plurality of auxiliary data lines extending in the first direction, a display panel including first pixels and second pixels, and a driving part controlling the display panel to display an image. The first pixels are connected to the plurality of gate lines and the plurality of data lines, respectively. The second pixels are connected to the plurality of auxiliary gate lines and the plurality of auxiliary data lines, respectively. The auxiliary gate lines correspond to the gate lines, respectively. Each of the auxiliary gate lines is electrically connected to the corresponding one of the gate lines.Type: GrantFiled: July 31, 2014Date of Patent: October 18, 2016Assignee: Samsung Display Co., Ltd.Inventors: Jang-Il Kim, Sei-yong Park, Hyoung Cheol Lee, Sunghee Hong
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Patent number: 9466617Abstract: A display panel includes a first substrate, a first thin film transistor disposed on the first substrate, a color filter disposed on the first thin film transistor, a passivation layer disposed on the color filter, a first opening being formed through the passivation layer and extending into the color filter, and a first pixel electrode disposed on the passivation layer, electrically connected to the first thin film transistor, and overlapping the first opening.Type: GrantFiled: June 18, 2014Date of Patent: October 11, 2016Assignee: Samsung Display Co., Ltd.Inventors: Sung-Hee Hong, Yeo-Geon Yoon, Jang-Il Kim, Sei-Yong Park
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Publication number: 20160238908Abstract: A display device includes a transistor, a data line, a pixel electrode, a common electrode, and a liquid crystal layer. The data line is connected to a source electrode of the transistor. A geometric radius of curvature associated with the display device is perpendicular to the data line. The pixel electrode is connected to a drain electrode of the transistor and includes a plate electrode. Sides of the plate electrode are oriented at acute angles with respect to the data line in a plan view associated with the display device. The common electrode overlaps the pixel electrode and has a slit. The slit has a first edge and a second edge. The first edge is perpendicular to the data line in the plan view and is longer than the second edge. The liquid crystal layer is positioned between the pixel electrode and the common electrode.Type: ApplicationFiled: June 25, 2015Publication date: August 18, 2016Inventors: Jang-Il KIM, Sang-Myoung LEE, Yeo Geon YOON, Hyun-Ho KANG, Un Byoll KO, Sei-Yong PARK, O Sung SEO, Seung Jun YU, Ha Won YU, Ki Kyung YOUK, Jung Wook LEE, Sung Hee HONG
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Publication number: 20160202564Abstract: A display device may include a floating electrode, a common-voltage electrode, a transistor, and a pixel electrode. The floating electrode may be electrically floating. The common-voltage electrode may be electrically connected to a voltage source. The pixel electrode may be electrically connected to the transistor. A first portion of the pixel electrode may overlap neither of the floating electrode and the common-voltage electrode in a direction perpendicular to at least one of the pixel electrode and an image display side of the display device. A second portion of the pixel electrode may overlap the common-voltage electrode. A third portion of the pixel electrode may overlap the floating electrode.Type: ApplicationFiled: July 16, 2015Publication date: July 14, 2016Inventors: Jang-Il KIM, Un Byoll KO, Yeo Geon YOON, Hyung Gi JUNG, Sei-Yong PARK, Sung Hee HONG, Seung Jun YU, Hyun-Ho KANG, SE JIN KIM
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Publication number: 20160202580Abstract: A liquid crystal display includes: a first substrate; a gate line on the first substrate; a first switching element connected to the gate line, to which a data voltage is applied; a first pixel electrode connected to the first switching element; and a color filter between the first switching element and the first pixel electrode, in which is defined: two contact holes spaced apart from each other, and a connecting portion connecting the spaced apart two contact holes to each other. The first pixel electrode is connected to the first switching element via a first contact hole among the spaced apart two contact holes.Type: ApplicationFiled: July 8, 2015Publication date: July 14, 2016Inventors: Sung Hee HONG, Jang-Il KIM, Un Byoll KO, Sei-Yong PARK, Jung Wook LEE
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Publication number: 20160195780Abstract: There is provided a curved display device including a first substrate, a thin film transistor (TFT) disposed on the first substrate, a pixel electrode connected to the TFT, a second substrate facing the first substrate, a common electrode positioned on the second substrate, and a liquid crystal layer interposed between the first substrate and the second substrate, wherein the pixel electrode includes a cross-shaped stem portion including a horizontal stem portion and a vertical stem portion intersecting the horizontal stem portion and a plurality of fine branches extending from the cross-shaped stem portion, each of the fine branches includes a first portion and a second portion having a width greater than that of the first portion, and the first portion is connected to the cross-shaped stem portion.Type: ApplicationFiled: December 2, 2015Publication date: July 7, 2016Inventors: SUNG HEE HONG, JANG-IL KIM, UN BYOLL KO, SEI-YONG PARK, JUNG WOOK LEE