Patents by Inventor Pil-Gyu Kang
Pil-Gyu Kang 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: 20230251527Abstract: A liquid crystal display according to an exemplary embodiment of the present system and method includes a first insulation substrate, a thin film transistor disposed on the first insulation substrate, a pixel electrode connected to the thin film transistor, a protrusion disposed on the pixel electrode, a second insulation substrate facing the first insulation substrate, a common electrode disposed on the second insulation substrate, and a liquid crystal layer disposed between the pixel electrode and the common electrode, wherein one pixel includes a thin film transistor formation region where the thin film transistor is disposed and a display area where the pixel electrode is disposed, and the protrusion is disposed to overlay at least a portion of edges of the display area.Type: ApplicationFiled: April 21, 2023Publication date: August 10, 2023Inventors: Youn Hak JEONG, Wan NAMGUNG, Hong Min YOON, Ho Jun LEE, Pil Gyu KANG, Seung Kyu LEE, Yun Seok LEE
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Patent number: 11662627Abstract: A liquid crystal display according to an exemplary embodiment of the present system and method includes a first insulation substrate, a thin film transistor disposed on the first insulation substrate, a pixel electrode connected to the thin film transistor, a protrusion disposed on the pixel electrode, a second insulation substrate facing the first insulation substrate, a common electrode disposed on the second insulation substrate, and a liquid crystal layer disposed between the pixel electrode and the common electrode, wherein one pixel includes a thin film transistor formation region where the thin film transistor is disposed and a display area where the pixel electrode is disposed, and the protrusion is disposed to overlay at least a portion of edges of the display area.Type: GrantFiled: July 20, 2020Date of Patent: May 30, 2023Assignee: Samsung Display Co., Ltd.Inventors: Youn Hak Jeong, Wan Namgung, Hong Min Yoon, Ho Jun Lee, Pil Gyu Kang, Seung Kyu Lee, Yun Seok Lee
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Publication number: 20200348569Abstract: A liquid crystal display according to an exemplary embodiment of the present system and method includes a first insulation substrate, a thin film transistor disposed on the first insulation substrate, a pixel electrode connected to the thin film transistor, a protrusion disposed on the pixel electrode, a second insulation substrate facing the first insulation substrate, a common electrode disposed on the second insulation substrate, and a liquid crystal layer disposed between the pixel electrode and the common electrode, wherein one pixel includes a thin film transistor formation region where the thin film transistor is disposed and a display area where the pixel electrode is disposed, and the protrusion is disposed to overlay at least a portion of edges of the display area.Type: ApplicationFiled: July 20, 2020Publication date: November 5, 2020Inventors: Youn Hak JEONG, Wan NAMGUNG, Hong Min YOON, Ho Jun LEE, Pil Gyu KANG, Seung Kyu LEE, Yun Seok LEE
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Patent number: 10718977Abstract: A liquid crystal display according to an exemplary embodiment of the present system and method includes a first insulation substrate, a thin film transistor disposed on the first insulation substrate, a pixel electrode connected to the thin film transistor, a protrusion disposed on the pixel electrode, a second insulation substrate facing the first insulation substrate, a common electrode disposed on the second insulation substrate, and a liquid crystal layer disposed between the pixel electrode and the common electrode, wherein one pixel includes a thin film transistor formation region where the thin film transistor is disposed and a display area where the pixel electrode is disposed, and the protrusion is disposed to overlay at least a portion of edges of the display area.Type: GrantFiled: July 31, 2015Date of Patent: July 21, 2020Assignee: Samsung Display Co., Ltd.Inventors: Youn Hak Jeong, Wan Namgung, Hong Min Yoon, Ho Jun Lee, Pil Gyu Kang, Seung Kyu Lee, Yun Seok Lee
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Patent number: 10409123Abstract: A liquid crystal display that improve display quality by reducing light leakage is presented. The display includes a first substrate; a plurality of pixels disposed on the first substrate; a plurality of signal lines disposed on the first substrate and disposed at an edge of the plurality of pixels; a second substrate facing the first substrate; and a light blocking member disposed on the second substrate, overlapping the plurality of signal lines, and overlapping the edge of the plurality of pixel areas, wherein a width of the light blocking member overlapping the edge of the plurality of pixels varies depending on the position of the plurality of pixels.Type: GrantFiled: March 3, 2016Date of Patent: September 10, 2019Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Jin-Ho Oh, Pil Gyu Kang, Wan Namgung, Hong Min Yoon, Seung-Kyu Lee, Ho Jun Lee
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Patent number: 10175540Abstract: A display device may include a first pixel electrode, a second pixel electrode, an organic layer, and a light-blocking member. The organic layer may include a first organic portion and a second organic portion. The first organic portion may overlap the first pixel electrode and may be spaced from the second organic portion. The second organic portion may overlap the second pixel electrode. The light-blocking member may be positioned between the first organic portion and the second organic portion.Type: GrantFiled: August 18, 2016Date of Patent: January 8, 2019Assignee: Samsung Display Co., Ltd.Inventors: Hyung Joo Jeon, Hong Min Yoon, Hyoung Cheol Lee, Pil Gyu Kang, Sang Woo Whangbo
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Patent number: 10074674Abstract: A display device includes: a first substrate; a second substrate facing the first substrate; a first electrode disposed on a first surface of the first substrate, the first surface facing the second substrate; a second electrode and a third electrode disposed along an edge of a second surface of the second substrate, the second surface facing the first surface of the first substrate; and a short electrode disposed between the first electrode and the second electrode and between the first electrode and the third electrode, the short electrode electrically connecting the first electrode, the second electrode, and the third electrode, wherein the second electrode and the third electrode are physically separated.Type: GrantFiled: October 16, 2017Date of Patent: September 11, 2018Assignee: Samsung Display Co., Ltd.Inventors: Yong Chan Jeon, Pil Gyu Kang, Hyun-Woong Baek, Hyung Joo Jeon, Sol Ip Jeong, Jang-Bog Ju
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Publication number: 20180108683Abstract: A display device includes: a first substrate; a second substrate facing the first substrate; a first electrode disposed on a first surface of the first substrate, the first surface facing the second substrate; a second electrode and a third electrode disposed along an edge of a second surface of the second substrate, the second surface facing the first surface of the first substrate; and a short electrode disposed between the first electrode and the second electrode and between the first electrode and the third electrode. the short electrode electrically connecting the first electrode, the second electrode, and the third electrode, wherein the second electrode and the third electrode are physically separated.Type: ApplicationFiled: October 16, 2017Publication date: April 19, 2018Inventors: Yong Chan Jeon, Pil Gyu Kang, Hyun-Woong Baek, Hyung Joo Jeon, Sol Ip Jeong, Jang-Bog Ju
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Patent number: 9664965Abstract: An exemplary embodiment of the present invention provides a liquid crystal display (LCD) device including: a first insulation substrate; gate and data lines positioned on the first insulation substrate and electrically insulated to cross each other; a thin film transistor coupled to the gate line and the data line; a first light blocking member positioned on the data line; a shielding electrode positioned on the first light blocking member; a pixel electrode coupled to the thin film transistor; a second insulation substrate positioned to face the first insulation substrate; a common electrode positioned on the second insulation substrate; and a liquid crystal layer disposed between the pixel electrode and the common electrode.Type: GrantFiled: December 5, 2014Date of Patent: May 30, 2017Assignee: Samsung Display Co., Ltd.Inventors: Seung-Kyu Lee, Pil Gyu Kang, Wan Namgung
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Publication number: 20170108729Abstract: A display device may include a first pixel electrode, a second pixel electrode, an organic layer, and a light-blocking member. The organic layer may include a first organic portion and a second organic portion. The first organic portion may overlap the first pixel electrode and may be spaced from the second organic portion. The second organic portion may overlap the second pixel electrode. The light-blocking member may be positioned between the first organic portion and the second organic portion.Type: ApplicationFiled: August 18, 2016Publication date: April 20, 2017Inventors: Hyung Joo JEON, Hong Min YOON, Hyoung Cheol LEE, Pil Gyu KANG, Sang Woo WHANGBO
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Patent number: 9508299Abstract: A method of driving a display panel includes providing a boosting voltage line on the display panel with a boosting voltage, compensating the boosting voltage based on a feedback boosting voltage received from the display panel, and providing the boosting voltage line on the display panel with the compensated boosting voltage. The display panel includes a first sub pixel. The first sub pixel includes a first switching element and a first boosting switching element, the first switching element is connected to a first liquid crystal (LC) capacitor, a gate line, an m-th data line and a first electrode of the first LC capacitor, and the first boosting switching element is connected to the boosted voltage line, and ‘m’ is a natural number.Type: GrantFiled: July 10, 2014Date of Patent: November 29, 2016Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Seung-Kyu Lee, Youn-Hak Jeong, Jang-Bog Ju, Pil-Gyu Kang, Se-Jin Kim
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Publication number: 20160274420Abstract: A liquid crystal display that improve display quality by reducing light leakage is presented. The display includes a first substrate; a plurality of pixels disposed on the first substrate; a plurality of signal lines disposed on the first substrate and disposed at an edge of the plurality of pixels; a second substrate facing the first substrate; and a light blocking member disposed on the second substrate, overlapping the plurality of signal lines, and overlapping the edge of the plurality of pixel areas, wherein a width of the light blocking member overlapping the edge of the plurality of pixels varies depending on the position of the plurality of pixels.Type: ApplicationFiled: March 3, 2016Publication date: September 22, 2016Inventors: Jin-Ho OH, Pil Gyu KANG, Wan NAMGUNG, Hong Min YOON, Seung-Kyu LEE, Ho Jun LEE
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Publication number: 20160202565Abstract: A liquid crystal display according to an exemplary embodiment of the present system and method includes a first insulation substrate, a thin film transistor disposed on the first insulation substrate, a pixel electrode connected to the thin film transistor, a protrusion disposed on the pixel electrode, a second insulation substrate facing the first insulation substrate, a common electrode disposed on the second insulation substrate, and a liquid crystal layer disposed between the pixel electrode and the common electrode, wherein one pixel includes a thin film transistor formation region where the thin film transistor is disposed and a display area where the pixel electrode is disposed, and the protrusion is disposed to overlay at least a portion of edges of the display area.Type: ApplicationFiled: July 31, 2015Publication date: July 14, 2016Inventors: Youn Hak JEONG, Wan NAMGUNG, Hong Min YOON, Ho Jun LEE, Pil Gyu KANG, Seung Kyu LEE, Yun Seok LEE
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Publication number: 20160033810Abstract: An exemplary embodiment of the present invention provides a liquid crystal display (LCD) device including: a first insulation substrate; gate and data lines positioned on the first insulation substrate and electrically insulated to cross each other; a thin film transistor coupled to the gate line and the data line; a first light blocking member positioned on the data line; a shielding electrode positioned on the first light blocking member; a pixel electrode coupled to the thin film transistor; a second insulation substrate positioned to face the first insulation substrate; a common electrode positioned on the second insulation substrate; and a liquid crystal layer disposed between the pixel electrode and the common electrode.Type: ApplicationFiled: December 5, 2014Publication date: February 4, 2016Inventors: Seung-Kyu LEE, Pil Gyu KANG, Wan NAMGUNG
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Publication number: 20150228238Abstract: A method of driving a display panel includes providing a boosting voltage line on the display panel with a boosting voltage, compensating the boosting voltage based on a feedback boosting voltage received from the display panel, and providing the boosting voltage line on the display panel with the compensated boosting voltage. The display panel includes a first sub pixel. The first sub pixel includes a first switching element and a first boosting switching element, the first switching element is connected to a first liquid crystal (LC) capacitor, a gate line, an m-th data line and a first electrode of the first LC capacitor, and the first boosting switching element is connected to the boosted voltage line, and ‘m’ is a natural number.Type: ApplicationFiled: July 10, 2014Publication date: August 13, 2015Inventors: Seung-Kyu Lee, Youn-Hak Jeong, Jang-Bog Ju, Pil-Gyu Kang, Se-Jin Kim