Patents by Inventor Yeon-Cu Kim
Yeon-Cu Kim 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: 11156874Abstract: A liquid crystal photoalignment agent includes: a copolymer of diamine and dianhydride; and a compound Formula 1 below, wherein an amount of the compound of Formula 1 is less than about 10 weight %, based on a total weight of the liquid crystal photoalignment agent: R1 is a substituted or unsubstituted tetravalent organic group derived from an acid dianhydride, wherein the acid dianhydride is at least one of an aliphatic cyclic acid dianhydride or an aromatic acid dianhydride, R2 is a substituted or unsubstituted trivalent organic group derived from an aromatic diamine, at least one of R1 and R2 is substituted with CF3 or a silyl group, R3 is a residue of a compound including a substituted or unsubstituted aromatic group with a carbon number that is equal to or greater than 6, n is 1 to 5, and * represents a point of attachment.Type: GrantFiled: August 30, 2019Date of Patent: October 26, 2021Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Yeon Cu Kim, Ki Chul Shin, Soon Joon Rho
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Patent number: 10852594Abstract: A liquid crystal display includes: a liquid crystal panel including a liquid crystal layer, a pixel electrode, and a common electrode; and a backlight unit including a light source to provide light to the liquid crystal panel. The pixel electrode includes a longitudinal electrode having a bar shape and extending in a vertical direction; a transverse electrode having a bar shape, crossing the longitudinal electrode, and extending in a horizontal direction; and a branch electrode having a bar shape, extending from the longitudinal or transverse electrode, and including an oblique part extending in an oblique direction. The common electrode overlaps the longitudinal electrode, and a longitudinal opening extending in the vertical direction is defined in the common electrode, and a width of a part of the pixel electrode where the longitudinal and the transverse electrodes cross each other is substantially the same as a width of the transverse electrode.Type: GrantFiled: September 10, 2019Date of Patent: December 1, 2020Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Yeon Cu Kim, Israel Esteban Lazo Martinez, Ki Chui Shin
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Patent number: 10776064Abstract: A video wall-type display device may include: a plurality of display modules, each including: a display area including: a first sub-area; and at least one second sub-area disposed to adjoin and to surround the first sub-area; and a non-display area disposed to surround the display area, wherein the first sub-area may include at least one first pixel unit. The at least one first pixel unit includes: a first pixel configured to display a first color; a second pixel configured to display a second color; and a third pixel configured to display a third colors, the first, second, and third colors being different from each another. The second sub-area may include at least one second pixel unit, the at least one second pixel unit including: the first pixel, the second pixel, and the third pixel; and at least one fourth pixel configured to display a white color.Type: GrantFiled: August 13, 2018Date of Patent: September 15, 2020Assignee: Samsung Display Co., Ltd.Inventor: Yeon Cu Kim
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Publication number: 20200081302Abstract: A liquid crystal display includes: a liquid crystal panel including a liquid crystal layer, a pixel electrode, and a common electrode; and a backlight unit including a light source to provide light to the liquid crystal panel. The pixel electrode includes a longitudinal electrode having a bar shape and extending in a vertical direction; a transverse electrode having a bar shape, crossing the longitudinal electrode, and extending in a horizontal direction; and a branch electrode having a bar shape, extending from the longitudinal or transverse electrode, and including an oblique part extending in an oblique direction. The common electrode overlaps the longitudinal electrode, and a longitudinal opening extending in the vertical direction is defined in the common electrode, and a width of a part of the pixel electrode where the longitudinal and the transverse electrodes cross each other is substantially the same as a width of the transverse electrode.Type: ApplicationFiled: September 10, 2019Publication date: March 12, 2020Inventors: Yeon Cu KIM, Israel Esteban LAZO MARTINEZ, Ki Chul SHIN
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Publication number: 20200073182Abstract: A liquid crystal photoalignment agent includes: a copolymer of diamine and dianhydride; and a compound Formula 1 below, wherein an amount of the compound of Formula 1 is less than about 10 weight %, based on a total weight of the liquid crystal photoalignment agent: R1 is a substituted or unsubstituted tetravalent organic group derived from an acid dianhydride, wherein the acid dianhydride is at least one of an aliphatic cyclic acid dianhydride or an aromatic acid dianhydride, R2 is a substituted or unsubstituted trivalent organic group derived from an aromatic diamine, at least one of R1 and R2 is substituted with CF3 or a silyl group, R3 is a residue of a compound including a substituted or unsubstituted aromatic group with a carbon number that is equal to or greater than 6, n is 1 to 5, and * represents a point of attachment.Type: ApplicationFiled: August 30, 2019Publication date: March 5, 2020Inventors: Yeon Cu KIM, Ki Chul SHIN, Soon Joon RHO
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Publication number: 20190102133Abstract: A video wall-type display device may include: a plurality of display modules, each including: a display area including: a first sub-area; and at least one second sub-area disposed to adjoin and to surround the first sub-area; and a non-display area disposed to surround the display area, wherein the first sub-area may include at least one first pixel unit. The at least one first pixel unit includes: a first pixel configured to display a first color; a second pixel configured to display a second color; and a third pixel configured to display a third colors, the first, second, and third colors being different from each another. The second sub-area may include at least one second pixel unit, the at least one second pixel unit including: the first pixel, the second pixel, and the third pixel; and at least one fourth pixel configured to display a white color.Type: ApplicationFiled: August 13, 2018Publication date: April 4, 2019Inventor: Yeon Cu KIM
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Patent number: 8085380Abstract: A spacer includes a spacer main body and a coating layer. The coating layer encompasses the spacer main body and comprises a dendrimer.Type: GrantFiled: October 31, 2007Date of Patent: December 27, 2011Assignee: Samsung Electronics Co., Ltd.Inventors: Yeon-Kyu Moon, Yeon-Cu Kim, Young-Kuil Joo
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Patent number: 7709080Abstract: Disclosed is a display device. The display device includes first and second substrates facing each other, a sealant pattern including a first compound attaching the first and the second substrates together, and a separator pattern within the sealant pattern. The separator pattern includes a second compound chemically reacting with the first compound to block the diffusion of the first compound.Type: GrantFiled: March 23, 2007Date of Patent: May 4, 2010Assignee: Samsung Electronics Co., Ltd.Inventors: Yeon-Cu Kim, Young-Geol Song, Yeon-Kyu Moon, Jung-Im Kim
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Publication number: 20090251649Abstract: A liquid crystal display that is less vulnerable to signal line corrosion due to infiltration of moisture is presented. The display includes: a first display panel and a second display panel facing each other; a sealant disposed between the first display panel and the second display panel to define a sealant region and couple the first display panel and the second display panel to each other; a blocking member disposed between the first display panel and the second display panel and neighboring the sealant; and a liquid crystal interposed between the first display panel and the second display panel, and disposed in the sealant region. The blocking member includes silicone formed from a silane derivative having at least one butyrate.Type: ApplicationFiled: April 7, 2009Publication date: October 8, 2009Inventors: Yeon-Cu Kim, Young-Woon Kho, Hye-Rhee Han, Yu-Jun Kim
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Publication number: 20090009698Abstract: A liquid crystal display panel includes an array substrate, an opposite substrate, and a color filter arranged on at least one of the array substrate and the opposite substrate. The color filter includes at least one diffusion preventing member that extends in a direction in which a combining member overlaps a driver.Type: ApplicationFiled: July 1, 2008Publication date: January 8, 2009Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Yeon-Kyu MOON, Jong-Hwan LEE, Byeong-Jae AHN, Yeon-Cu KIM, Hong-Woo LEE, Jong Hyuk LEE
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Patent number: 7396572Abstract: A liquid crystal display includes; a first and a second display panel facing each other, an alignment layer formed on at least one of the first and the second display panels and including a polyamic acid moieties and a polyimide moieties which form a block copolymer, and a liquid crystal layer interposed between the first display panel and the second display panel.Type: GrantFiled: September 14, 2006Date of Patent: July 8, 2008Assignee: Samsung Electronics Co., Ltd.Inventors: Yeon-Cu Kim, Hyang-Shik Kong, Young-Kuil Joo, Young-Geol Song
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Publication number: 20080151173Abstract: A spacer includes a spacer main body and a coating layer. The coating layer encompasses the spacer main body and comprises a hyper branch polymer.Type: ApplicationFiled: October 31, 2007Publication date: June 26, 2008Inventors: Yeon-Kyu MOON, Yeon-Cu KIM, Young-Kuil JOO
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Publication number: 20080107831Abstract: Disclosed are an alignment material comprising a solvent, a polymer resin, and a cross-linking agent, and a liquid crystal display using the alignment material. The polymer resin is mixed with the solvent to have a weight percent ranging from about 4% to about 8% and includes an amic acid monomer having an amino group in one example. The cross-linking agent is mixed with the solvent to have a weight percent ranging from about 2% to about 20% and includes a diepoxy group which reacts with the amino group in one example. The liquid crystal display comprises two substrates facing each other, and an alignment layer formed at a top surface of at least one of the two substrates. The alignment layer is formed by curing the alignment material.Type: ApplicationFiled: October 9, 2007Publication date: May 8, 2008Inventors: Yeon-Cu Kim, Young-Kuil Joo, Hye-Rhee Han
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Publication number: 20070297076Abstract: Disclosed is a display device. The display device includes first and second substrates facing each other, a sealant pattern including a first compound attaching the first and the second substrates together, and a separator pattern within the sealant pattern. The separator pattern includes a second compound chemically reacting with the first compound to block the diffusion of the first compound.Type: ApplicationFiled: March 23, 2007Publication date: December 27, 2007Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Yeon-Cu KIM, Young-Geol SONG, Yeon-Kyu MOON, Jung-Im KIM
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Publication number: 20070184211Abstract: A liquid crystal display and a method of manufacturing the same include a first display panel and a second display panel that face each other, a sealant that contains polymer resin formed by curing methacrylic acid or a s derivative thereof to sealingly assemble the first display panel and the second display panel, and a liquid crystal provided in the region between the first display panel and the second display panel.Type: ApplicationFiled: February 9, 2007Publication date: August 9, 2007Inventors: Yeon-Cu Kim, Jong-Oh Kim
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Publication number: 20070059457Abstract: A liquid crystal display includes; a first and a second display panel facing each other, an alignment layer formed on at least one of the first and the second display panels and including a polyamic acid moieties and a polyimide moieties which form a block copolymer, and a liquid crystal layer interposed between the first display panel and the second display panel.Type: ApplicationFiled: September 14, 2006Publication date: March 15, 2007Inventors: Yeon-Cu Kim, Hyang-Shik Kong, Young-Kuil Joo, Young-Geol Song