Patents by Inventor Hyun-Ho Kang
Hyun-Ho 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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Patent number: 10996522Abstract: A liquid crystal display including a partial plate electrode along with a minute pattern in a pixel electrode thereby increasing the viewing angle and the lateral visibility of the liquid crystal display, as well as the response speed A step provider is provided to reinforce the control force of the liquid crystal molecules, thereby reducing the texture generated in the center of the pixel.Type: GrantFiled: December 19, 2019Date of Patent: May 4, 2021Assignee: Samsung Display Co., Ltd.Inventors: Hak Sun Chang, Eun-Kil Park, Hyun-Ho Kang, Jang Wi Ryu, Seung-Suk Yang, Ki Chul Shin, Se Hyun Lee, Jae-Soo Jang, Hyo Ju Jung
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Patent number: 10649251Abstract: A method of manufacturing a curved liquid crystal display is provided. The method includes forming a first display panel including a plurality of first patterns, forming a second display panel including a plurality of second patterns, assembling the first display panel and the second display panel, filling a liquid crystal between the assembled first and second display panels to form a flat liquid crystal display, and curving the flat liquid crystal display in a first direction to form the curved liquid crystal display. The first patterns and the second patterns are mismatched in the flat liquid crystal display, and the first patterns and the second patterns are matched in the curved liquid crystal display.Type: GrantFiled: October 26, 2015Date of Patent: May 12, 2020Assignee: Samsung Display Co., Ltd.Inventors: O Sung Seo, Hyun-Ho Kang, Young Goo Song, Seung Jun Yu, Ha Won Yu, Ki Kyung Youk, Sang-Myoung Lee, Tae Kyung Yim
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Publication number: 20200124926Abstract: A liquid crystal display including a partial plate electrode along with a minute pattern in a pixel electrode thereby increasing the viewing angle and the lateral visibility of the liquid crystal display, as well as the response speed A step provider is provided to reinforce the control force of the liquid crystal molecules, thereby reducing the texture generated in the center of the pixel.Type: ApplicationFiled: December 19, 2019Publication date: April 23, 2020Inventors: Hak Sun Chang, Eun-Kil Park, Hyun-Ho Kang, Jang Wi Ryu, Seung-Suk Yang, Ki Chul Shin, Se Hyun Lee, Jae-Soo Jang, Hyo Ju Jung
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Patent number: 10551691Abstract: A liquid crystal display including a partial plate electrode along with a minute pattern in a pixel electrode thereby increasing the viewing angle and the lateral visibility of the liquid crystal display, as well as the response speed A step provider is provided to reinforce the control force of the liquid crystal molecules, thereby reducing the texture generated in the center of the pixel.Type: GrantFiled: May 10, 2019Date of Patent: February 4, 2020Assignee: Samsung Display Co., Ltd.Inventors: Hak Sun Chang, Eun-Kil Park, Hyun-Ho Kang, Jang Wi Ryu, Seung-Suk Yang, Ki Chul Shin, Se Hyun Lee, Jae-Soo Jang, Hyo Ju Jung
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Publication number: 20190265559Abstract: A liquid crystal display including a partial plate electrode along with a minute pattern in a pixel electrode thereby increasing the viewing angle and the lateral visibility of the liquid crystal display, as well as the response speed A step provider is provided to reinforce the control force of the liquid crystal molecules, thereby reducing the texture generated in the center of the pixel.Type: ApplicationFiled: May 10, 2019Publication date: August 29, 2019Inventors: Hak Sun CHANG, Eun-Kil PARK, Hyun-Ho KANG, Jang Wi RYU, Seung-Suk YANG, Ki Chul SHIN, Se Hyun LEE, Jae-Soo JANG, Hyo Ju JUNG
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Patent number: 10371993Abstract: A curved liquid crystal display includes a first panel having a pixel electrode including crossed stem parts, a plurality of fine branch parts extending from the crossed stem parts, and fine slits positioned between fine branch parts adjacent to each other, a second panel having a common electrode, and a liquid crystal layer between the first panel and the second panel. Misalignment between the first panel and the second lower panel is determined and a pitch, which is a sum of a width of the fine branch part and a width of the fine slit, gradually increases from a region having a small misalignment toward a region having a large misalignment.Type: GrantFiled: April 26, 2017Date of Patent: August 6, 2019Assignee: Samsung Display Co., Ltd.Inventors: Hyun-Ho Kang, O Sung Seo, Seung Jun Yu, Ha Won Yu, Ki Kyung Youk, Yeo Geon Yoon, Sang-Myoung Lee, Tae Kyung Yim
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Patent number: 10345655Abstract: A liquid crystal display including a partial plate electrode along with a minute pattern in pixel electrode thereby increasing the viewing angle and the lateral visibility of the liquid crystal display, as well as the response speed A step provider is provided to reinforce the control force of the liquid crystal molecules, thereby reducing the texture generated in the center of the pixel.Type: GrantFiled: February 23, 2016Date of Patent: July 9, 2019Assignee: Samsung Display Co., Ltd.Inventors: Hak Sun Chang, Eun-Kil Park, Hyun-Ho Kang, Jang Wi Ryu, Seung-Suk Yang, Ki Chul Shin, Se Hyun Lee, Jae-Soo Jang, Hyo Ju Jung
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Patent number: 10288966Abstract: A thin film transistor array panel includes a first substrate, a gate line disposed on the first substrate and includes a lower layer including titanium, a middle layer including a transparent conductive material, and an upper layer including copper, a pixel electrode disposed on the first substrate and includes a lower layer including titanium, and an upper layer including the transparent conductive material, a gate insulating layer disposed on the gate line and the pixel electrode, a semiconductor layer disposed on the gate insulating layer, a data line and a drain electrode disposed on the semiconductor layer, a passivation layer which covers the data line and the drain electrode, and a common electrode disposed on the passivation layer.Type: GrantFiled: March 28, 2017Date of Patent: May 14, 2019Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: O Sung Seo, Tae Kyung Yim, Hyun-Ho Kang, Hyung June Kim
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Patent number: 10229935Abstract: A display device according to an exemplary embodiment of the present inventive concept includes: a first insulation substrate; a thin film transistor disposed on the first insulation substrate; a pixel electrode coupled to the thin film transistor; a second insulation substrate facing the first insulation substrate; and a common electrode disposed on the second insulation substrate. The pixel electrode includes a first subpixel electrode including a first vertical stem portion and a first horizontal stem portion that is disposed perpendicular to the first vertical stem portion at an end of the first vertical stem portion, and a second subpixel electrode including a second vertical stem portion and a second horizontal stem portion that is disposed perpendicular to the second vertical stem portion at an end of the second vertical step portion.Type: GrantFiled: April 20, 2015Date of Patent: March 12, 2019Assignee: Samsung Display Co., Ltd.Inventors: O Sung Seo, Hyun-Ho Kang, Young Goo Song, Seung Jun Yu, Ha Won Yu, Ki Kyung Youk, Sang Myoung Lee, Tae Kyung Yim
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Patent number: 10062345Abstract: A curved liquid crystal display (LCD) includes a curved liquid crystal panel assembly. The curved liquid crystal panel assembly includes: a lower panel including a first linear polarizer having a first polarization axis; an upper panel including a second linear polarizer having a second polarization axis, the second polarization axis cross the first polarization axis in a plan view; and a liquid crystal layer interposed between the lower panel and the upper panel. An angle formed by a first polarization axis and a second polarization axis does not meet at a right angle in a plan view.Type: GrantFiled: July 25, 2017Date of Patent: August 28, 2018Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Tae Kyung Yim, Hyun Ho Kang, O Sung Seo, Seung Jun Yu, Ha Won Yu, Ki Kyung Youk, Yeo Geon Yoon, Sang Myoung Lee
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Patent number: 9995972Abstract: A display device according to an exemplary embodiment of the present inventive concept includes: a first insulation substrate; a thin film transistor; a pixel electrode; a second insulation substrate; and a common electrode. The pixel electrode includes a first subpixel electrode including a first horizontal stem portion and a first vertical stem portion perpendicular thereto at one end of the first horizontal stem portion and a second subpixel electrode including a second vertical stem portion and a second horizontal stem portion perpendicular thereto at one end of the second horizontal stem portion, a plurality of regions in which arrangements of liquid crystal molecules are respectively different are divided by the first horizontal stem portion, the first vertical stem portion, the second horizontal stem portion, and the second vertical stem portion, and each of the plurality of regions has a longest vertical length of less than about 100 ?m.Type: GrantFiled: September 9, 2015Date of Patent: June 12, 2018Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: O Sung Seo, Hyun-Ho Kang, Seung Jun Yu, Ha Won Yu, Ki Kyung Youk, Yeo Geon Yoon, Sang-Myoung Lee, Tae Kyung Yim
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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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Patent number: 9977156Abstract: Provided is a display device including: a display panel including a display area where an image is displayed and a non-display area surrounding the display area; and a first polarization member disposed on a front surface of the display panel and including a polarization area corresponding to the display area and a light blocking area corresponding to the non-display area, wherein the first polarization member corresponding to the light blocking area includes a plurality of scattering patterns which reduce reflectance of the non-display area.Type: GrantFiled: March 11, 2015Date of Patent: May 22, 2018Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Taekyung Yim, Hyun-Ho Kang, Hyungjune Kim, Osung Seo
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Patent number: 9939673Abstract: A curved display device includes a first substrate curved along a first direction and comprising pixel areas defined therein, a second substrate coupled to the first substrate and curved together with the first substrate, a liquid crystal layer interposed between the first substrate and the second substrate and comprising liquid crystal molecules, and a light blocking member disposed on the first substrate or the second substrate to block a light, where domains are defined in each of the pixel areas and arranged in a second direction crossing the first direction, the domains are arranged in a matrix form in the pixel areas, and the light blocking member includes a first light blocking layer having a first width and a second light blocking layer having a second width greater than the first width.Type: GrantFiled: February 2, 2016Date of Patent: April 10, 2018Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Hyun-ho Kang, Osung Seo, Seungjun Yu, Hawon Yu, Kikyung Youk, Yeogeon Yoon, Sang-myoung Lee, Taekyung Yim
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Publication number: 20170323607Abstract: A curved liquid crystal display (LCD) includes a curved liquid crystal panel assembly. The curved liquid crystal panel assembly includes: a lower panel including a first linear polarizer having a first polarization axis; an upper panel including a second linear polarizer having a second polarization axis, the second polarization axis cross the first polarization axis in a plan view; and a liquid crystal layer interposed between the lower panel and the upper panel. An angle formed by a first polarization axis and a second polarization axis does not meet at a right angle in a plan view.Type: ApplicationFiled: July 25, 2017Publication date: November 9, 2017Inventors: Tae Kyung YIM, Hyun Ho KANG, O Sung SEO, Seung Jun YU, Ha Won YU, Ki Kyung YOUK, Yeo Geon YOON, Sang Myoung LEE
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Patent number: 9766523Abstract: A liquid crystal display according to an exemplary embodiment of the present disclosure includes: a first substrate; a gate line formed on the first substrate and extended in a first direction; a data line extended in a second direction that is perpendicular to the gate line; switching elements connected to the gate line and the data line; a voltage-dividing reference voltage line connected to a switching element; a first sub-pixel electrode connected to a switching element; and a second sub-pixel electrode connected to a switching element, wherein the first sub-pixel electrode and the second sub-pixel electrode include one or more vertical stem parts formed on a left side or a right side thereof, and the voltage-dividing reference voltage line is formed to be parallel to the data line.Type: GrantFiled: March 4, 2016Date of Patent: September 19, 2017Assignee: Samsung Display Co., Ltd.Inventors: Sang-Myoung Lee, Hyun-Ho Kang, O Sung Seo, Seung Jun Yu, Ha Won Yu, Ki Kyung Youk, Yeo Geon Yoon
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Patent number: 9746724Abstract: A liquid crystal display device includes a display panel including: a lower display substrate on which a plurality of pixel electrodes are disposed in a matrix and data lines extend in a column direction between adjacent pixel electrodes; an upper display substrate on which a common electrode is disposed; and a liquid crystal layer disposed between the lower display substrate and the upper display substrate and including liquid crystal molecules. The display panel includes a plurality of unit pixels, each unit pixel including pixels having different colors, and each pixel including one of the pixel electrodes. A gap between neighboring unit pixels is larger than a gap between neighboring pixel electrodes within each unit pixel, and a data line positioned between the neighboring unit pixels has a portion having a width larger than that of a data line positioned between the neighboring pixel electrodes within each unit pixel.Type: GrantFiled: September 3, 2015Date of Patent: August 29, 2017Assignee: Samsung Display Co., Ltd.Inventors: Ki Kyung Youk, Hyun-Ho Kang, O Sung Seo, Seung Jun Yu, Ha Won Yu, Yeo Geon Yoon, Sang-Myoung Lee, Tae Kyung Yim
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Patent number: 9734782Abstract: A curved liquid crystal display (LCD) includes a curved liquid crystal panel assembly. The curved liquid crystal panel assembly includes: a lower panel including a first linear polarizer having a first polarization axis; an upper panel including a second linear polarizer having a second polarization axis, the second polarization axis cross the first polarization axis in a plan view; and a liquid crystal layer interposed between the lower panel and the upper panel. An angle formed by a first polarization axis and a second polarization axis does not meet at a right angle in a plan view.Type: GrantFiled: March 9, 2015Date of Patent: August 15, 2017Assignee: Samsung Display Co., Ltd.Inventors: Tae Kyung Yim, Hyun Ho Kang, O Sung Seo, Seung Jun Yu, Ha Won Yu, Ki Kyung Youk, Yeo Geon Yoon, Sang Myoung Lee
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Patent number: 9733502Abstract: An exemplary embodiment provides a curved display device in which occurrences of black mura are prevented or otherwise reduced. The curved display device according to the exemplary embodiment includes a curved display panel displaying images; a rear surface cover covering and supporting a rear surface of the curved display panel; and a flexible front surface chassis supporting the curved display panel.Type: GrantFiled: February 23, 2016Date of Patent: August 15, 2017Assignee: Samsung Display Co., Ltd.Inventors: Sang-Myoung Lee, Hyun-Ho Kang, O Sung Seo, Seung Jun Yu, Ha Won Yu, Ki Kyung Youk, Yeo Geon Yoon, Tae Kyung Yim
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Publication number: 20170227824Abstract: A curved liquid crystal display includes a first panel having a pixel electrode including crossed stem parts, a plurality of fine branch parts extending from the crossed stem parts, and fine slits positioned between fine branch parts adjacent to each other, a second panel having a common electrode, and a liquid crystal layer between the first panel and the second panel. Misalignment between the first panel and the second lower panel is determined and a pitch, which is a sum of a width of the fine branch part and a width of the fine slit, gradually increases from a region having a small misalignment toward a region having a large misalignment.Type: ApplicationFiled: April 26, 2017Publication date: August 10, 2017Inventors: Hyun-Ho KANG, O Sung SEO, Seung Jun YU, Ha Won YU, Ki Kyung YOUK, Yeo Geon YOON, Sang-Myoung LEE, Tae Kyung YIM