Patents by Inventor Sung-Jae Yun
Sung-Jae Yun 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: 9568785Abstract: A liquid crystal display includes a first substrate, a pixel electrode which is disposed on the first substrate and includes a first subpixel electrode which is disposed at a pixel area and includes a plurality of first branch electrodes, and a second subpixel electrode which is separated from the first subpixel electrode, disposed at an outer edge of the pixel area, encloses the first subpixel electrode and includes a plurality of second branch electrodes, a second substrate facing the first substrate, a common electrode disposed on the second substrate, and a liquid crystal layer disposed between the first substrate and the second substrate, where a first voltage applied to the first subpixel electrode is larger than a second voltage applied to the second subpixel electrode.Type: GrantFiled: November 14, 2014Date of Patent: February 14, 2017Assignee: SAMSUNG DISPLAY CO., LTDInventors: Oh Jeong Kwon, Heung Shik Park, Hyeok Jin Lee, Jae Hong Park, Dong-Chul Shin, Su Jin Kim, Ki Chul Shin, Sung-Jae Yun, Joo Young Yoon
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Patent number: 9542837Abstract: A control method of a gateway communicating with at least one sensor and a service server is provided. The control method may include receiving, from the at least one sensor, first information comprising at least one of bioinformation, disaster prevention information, and public information, transmitting the first information to the service server when the first information meets a first standard, or processing the first information in a data format of the first standard and transmitting the processed first information to the service server when the first information does not meet the first standard, receiving, from the service server, a control command to control the at least one sensor, and transmitting the control command to a sensor corresponding to the control command.Type: GrantFiled: February 6, 2015Date of Patent: January 10, 2017Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Eun Ju Jeong, Won Ick Jang, Sung Jae Yun, Soon Mo Kim
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Patent number: 9529231Abstract: The present invention relates to a liquid crystal display that can improve an aperture ratio and liquid crystal control ability. A liquid crystal display according to an exemplary embodiment of the present invention includes: a first substrate and a second substrate which face each other; a pixel electrode disposed on the first substrate; a common electrode disposed on the second substrate; and a liquid crystal layer disposed between the first substrate and the second substrate, in which the common electrode has a first cutout having a cross shape, and the pixel electrode includes a first subpixel electrode having a rhombus shape, a second subpixel electrode surrounding the first subpixel electrode, a second cutout disposed close to and along at least one of the edges of the second subpixel electrode, and a third cutout spacing the first subpixel electrode and the second subpixel electrode.Type: GrantFiled: April 21, 2014Date of Patent: December 27, 2016Assignee: Samsung Display Co., Ltd.Inventors: Oh Jeong Kwon, Hyeok Jin Lee, Dong-Chul Shin, Jae Hong Park, Sung-Jae Yun, Ki Chul Shin, Seung Wook Nam
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Publication number: 20160329022Abstract: A liquid crystal display having a curved surface includes: a display panel including a first display panel, a second display panel, and a liquid crystal layer interposed therebetween and including liquid crystal molecules. The first display panel includes a first substrate on which a plurality of gate lines and data lines are formed, a first electrode, and a pixel electrode. The second display panel includes a second substrate facing the first substrate and a second electrode. The liquid crystal display further includes a common voltage supplier applying two voltages having a predetermined voltage difference to the first and second electrodes within a period before a frame displaying an image on the display panel; a gate driver applying a gate signal to each of the gate lines after the period; and a data driver applying a data voltage to the pixel electrode corresponding to the gate signal.Type: ApplicationFiled: February 1, 2016Publication date: November 10, 2016Inventors: Sung-Jae YUN, Dong Han SONG, Ki Chul SHIN, Hyeok Jin LEE
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Publication number: 20160274417Abstract: An exemplary embodiment of the present invention provides a liquid crystal display including a first insulation substrate. A pixel electrode is disposed on the first insulation substrate. A first alignment layer is disposed on the pixel electrode. A second insulation substrate faces the first insulation substrate. A common electrode is disposed on a surface of the second insulation substrate, which the surface of the second insulation substrate faces the first insulation substrate. A second alignment layer is disposed on a surface of the common electrode, which the surface of the common electrode faces the first insulation substrate. A liquid crystal layer is disposed between the first alignment layer and the second alignment layer. The liquid crystal layer includes liquid crystal molecules. Liquid crystal molecules adjacent to at least one of the first alignment layer and the second alignment layer have a pre-tilt angle.Type: ApplicationFiled: November 18, 2015Publication date: September 22, 2016Inventors: JIN WON KIM, OH JEONG KWON, SU JIN KIM, DONG HAN SONG, KI CHUL SHIN, DONG-CHUL SHIN, SUNG-JAE YUN, HYEOK JIN LEE
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Publication number: 20160266420Abstract: A liquid crystal display according to an exemplary embodiment of the present invention includes a first insulation substrate and a pixel electrode disposed on the first insulation substrate. A first alignment layer is disposed on the pixel electrode. A second insulation substrate faces the first insulation substrate. A common electrode is disposed on a surface of the second insulation substrate facing the first insulation substrate. A second alignment layer is disposed on a surface of the common electrode facing the first insulation substrate. A liquid crystal layer is disposed between the first alignment layer and the second alignment layer. The liquid crystal layer includes liquid crystal molecules. One of the first alignment layer and the second alignment layer has an electron-rich group and the other has an electron-deficient group.Type: ApplicationFiled: January 15, 2016Publication date: September 15, 2016Inventors: HYEOK JIN LEE, OH JEONG KWON, DONG HAN SONG, SUNG-JAE YUN, SU JIN KIM, JIN WON KIM, Kl CHUL SHIN, DONG-CHUL SHIN
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Patent number: 9442322Abstract: A liquid crystal display according to an exemplary embodiment of the present invention includes a first substrate, a pixel electrode disposed on the first substrate, a first alignment layer disposed on the first substrate and the pixel electrode, a second substrate facing the first substrate, a common electrode disposed on the second substrate, a second alignment layer disposed on the second substrate and the common electrode, and a liquid crystal layer disposed between the first substrate and the second substrate, in which the common electrode has a first opening having a cross shape, an edge of the first opening protrudes beyond an edge of the pixel electrode, and the pixel electrode includes a second opening disposed adjacently to at least one of the edges of the pixel electrode.Type: GrantFiled: December 1, 2014Date of Patent: September 13, 2016Assignee: Samsung Display Co., Ltd.Inventors: Oh Jeong Kwon, Jae Hong Park, Sung-Jae Yun, Hyeok Jin Lee, Mee Hye Jung, Jiang Shuai, Kyung Hye Park, Jae-Hoon Kim
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Publication number: 20160259212Abstract: A liquid crystal display includes: a first insulation substrate; a second insulation substrate facing the first insulation substrate; a liquid crystal layer disposed between the first insulation substrate and the second insulation substrate; a pixel electrode disposed on the first insulation substrate; a first alignment layer disposed on the pixel electrode; a cross-linking portion, the cross-linking portion being a portion where separation type of reactive mesogens disposed in a surface of the first alignment layer are coupled with one another; a common electrode disposed between the liquid crystal layer and the second insulation substrate; and a second alignment layer disposed between the liquid crystal layer and the common electrode; and wherein liquid crystal molecules disposed to be adjacent to the first alignment layer and liquid crystal molecules disposed to be adjacent to the second alignment layer have different pre-tilt angles, and wherein at least one of the separation type of reactive mesogens isType: ApplicationFiled: March 2, 2016Publication date: September 8, 2016Inventors: Sung-Jae YUN, Su Jin KIM
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Publication number: 20160259211Abstract: A curved liquid crystal display includes: a first substrate; a second substrate facing the first substrate; a liquid crystal layer between the first substrate and the second substrate and including liquid crystal molecules; a first alignment layer between the first substrate and the liquid crystal layer; and a second alignment layer between the second substrate and the liquid crystal layer. The first alignment layer and the second alignment layer respectively include a polymer having at least one main chain and a plurality of side chains connected to the main chain, and at least one of the polymer of the first alignment layer and the polymer of the second alignment layer includes at least one side chain including at least one of a photo-reactor and a photo-reactor derivative.Type: ApplicationFiled: February 22, 2016Publication date: September 8, 2016Inventors: Hyeok Jin LEE, Oh Jeong KWON, Su Jin KIM, Jin Won KIM, Dong Han SONG, Ki Chul SHIN, Dong-Chul SHIN, Sung-Jae YUN
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Publication number: 20160216574Abstract: A display device may include a common electrode, a first pixel electrode, a second pixel electrode, an insulation layer, and a liquid crystal layer. The first pixel electrode overlaps the common electrode. The second pixel electrode is electrically connected to the first pixel electrode and is positioned between the first pixel electrode and the common electrode. A first portion of the second pixel electrode does not overlap the first pixel electrode in a direction perpendicular to the common electrode. A second portion of the second pixel electrode overlaps a first portion of the first pixel electrode. A second portion of the first pixel electrode does not overlap the second pixel electrode in the direction perpendicular to the common electrode. The insulating layer is positioned between the first pixel electrode and the second pixel electrode. The liquid crystal layer is positioned between the common electrode and the second pixel electrode.Type: ApplicationFiled: December 18, 2015Publication date: July 28, 2016Inventors: Dong-Chul SHIN, Oh Jeong KWON, Su Jin KIM, Jin Won KIM, Dong Han SONG, Ki Chul SHIN, Sung-Jae YUN, Hyeok Jin LEE
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Publication number: 20160202558Abstract: The present inventive concept relates to a curved liquid crystal display having improved transmittance, and the curved liquid crystal display according to an exemplary embodiment of the present inventive concept includes: a first substrate and a second substrate facing each other, the first substrate and the second substrate being curved to have a predetermined radius of curvature; and a liquid crystal layer interposed between the first substrate and the second substrate, wherein the liquid crystal layer includes nematic liquid crystal molecules that are continuously twisted from the first substrate to the second substrate.Type: ApplicationFiled: November 16, 2015Publication date: July 14, 2016Inventors: Jae Hong PARK, Sung-Jae YUN, Ki Chul SHIN, Hyeok Jin LEE
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Patent number: 9373651Abstract: A display device includes a first substrate including a protrusion electrode pattern, a second substrate disposed opposite to the first substrate, and a liquid crystal layer disposed between the first substrate and the second substrate. The protrusion electrode pattern is made of a conductive polymer material, and a state of the liquid crystal layer changes from an isotropic state to an anisotropic state when an electric field is applied.Type: GrantFiled: January 27, 2014Date of Patent: June 21, 2016Assignee: Samsung Display Co., Ltd.Inventors: Sung-Jae Yun, Hae-Young Yun, Hyeok-Jin Lee, Hong-Jo Park
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Publication number: 20160170268Abstract: A curved liquid crystal display is provided. The curved liquid crystal display includes: a first curved substrate; a second curved substrate; a liquid crystal layer including liquid crystal molecules having negative dielectric anisotropy, the liquid crystal layer being interposed between the first and second curved substrates; a first curved liquid crystal alignment layer interposed between the liquid crystal layer and the first curved substrate; and a second curved liquid crystal alignment layer interposed between the liquid crystal layer and the second curved substrate. The first curved liquid crystal alignment layer includes protrusions protruded toward the second curved liquid crystal alignment layer. The second curved liquid crystal alignment layer includes protrusions protruded toward the first curved liquid crystal alignment layer.Type: ApplicationFiled: September 23, 2015Publication date: June 16, 2016Inventors: Dong Han SONG, Oh Jeong KWON, Su Jin KIM, Jin Won KIM, Ki Chul SHIN, Dong Chul SHIN, Sung Jae YUN, Hyeok Jin LEE
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Publication number: 20160124277Abstract: A curved display device includes a display substrate, an opposite substrate, and a liquid crystal layer interposed between the display substrate and the opposite substrate. The display substrate is curved along a first direction and includes a pixel electrode and a second alignment layer disposed on the pixel electrode. The opposite substrate is coupled to the display substrate to be curved along the first direction and includes a common electrode and a first alignment layer disposed on the common electrode. The first alignment layer comprises different material from the second alignment layer. The pixel electrode includes branch portions extending in a direction inclined with respect to the first direction when viewed in a plan view, and a pitch, which is defined by a sum of a width of each branch portion and a distance between the branch portions, is within a range from about 7.5 micrometers to about 8.5 micrometers.Type: ApplicationFiled: October 16, 2015Publication date: May 5, 2016Inventors: Hyeokjin LEE, Ohjeong KWON, Donghan SONG, Sung-Jae YUN, Sujin KIM, Jinwon KIM, Kichul SHIN, Dong-Chul SHIN
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Publication number: 20160109767Abstract: A liquid crystal display includes: a first substrate; a pixel electrode disposed on the first substrate; a second substrate facing the first substrate; a common electrode disposed on the second substrate; and a liquid crystal layer disposed between the first substrate and the second substrate. The common electrode includes a first cross-shaped cutout overlapping the pixel electrode, and a second cutout parallel to an edge of the pixel electrode, the second cutout being separated from the edge of the pixel electrode.Type: ApplicationFiled: December 28, 2015Publication date: April 21, 2016Inventors: Sung-Jae YUN, Hyun-Cheol MOON, Jae Hong PARK, Oh Jeong KWON, Hyeok Jin LEE, Sang-Uk LIM, Jiang SHUAI, Kyung Hye PARK, Joo Young YOON, Kwang-Chul JUNG, Sang Cheol SHIN, Joo Ae YOUN
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Publication number: 20160109764Abstract: A liquid crystal display (LCD) according to an exemplary embodiment of the present invention includes: a first insulation substrate; a lower electrode disposed on the first insulation substrate; a second insulation substrate facing the first insulation substrate; an upper electrode disposed on the second insulation substrate and facing the lower electrode; and a liquid crystal layer disposed between the lower electrode and the upper electrode. The lower electrode forms one unit region, the unit region includes a plurality of subregions, and the lower electrode includes: a first lower electrode including a central pattern disposed at a center of a border between each pair of adjacent subregions, and a plurality of micro branch portions that are coupled to the central pattern, the micro branch portions of two different subregions extending in different directions; and a second lower electrode having intersecting elongated portions that each extend along parts of the border.Type: ApplicationFiled: May 6, 2015Publication date: April 21, 2016Inventors: Oh Jeong KWON, Sung Jae YUN, Hyeok Jin LEE, Ki Chul SHIN
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Publication number: 20160097957Abstract: A liquid crystal display according to an exemplary embodiment of the present system and method includes: a first substrate; a thin film transistor disposed on the first substrate; a passivation layer disposed on the thin film transistor and including a first portion and a second portion thicker than the first portion; a first sub-pixel electrode and a second sub-pixel electrode disposed on the passivation layer, spaced apart from each other, and positioned on one pixel region; a second substrate facing the first substrate; and a liquid crystal layer positioned between the first substrate and the second substrate, wherein the first sub-pixel electrode is disposed on the second portion of the passivation layer, and the second sub-pixel electrode is disposed on the first portion of the passivation layer.Type: ApplicationFiled: July 21, 2015Publication date: April 7, 2016Inventors: Sung-Jae YUN, Heung Shik PARK, Oh Jeong KWON, Ki Chul SHIN
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Patent number: 9256106Abstract: A liquid crystal display includes: a first substrate; a pixel electrode disposed on the first substrate; a second substrate facing the first substrate; a common electrode disposed on the second substrate; and a liquid crystal layer disposed between the first substrate and the second substrate. The common electrode includes a first cross-shaped cutout overlapping the pixel electrode, and a second cutout parallel to an edge of the pixel electrode, the second cutout being separated from the edge of the pixel electrode.Type: GrantFiled: January 17, 2013Date of Patent: February 9, 2016Assignee: Samsung Display Co., Ltd.Inventors: Sung-Jae Yun, Hyun-Cheol Moon, Jae Hong Park, Oh Jeong Kwon, Hyeok Jin Lee, Sang-Uk Lim, Jiang Shuai, Kyung Hye Park, Joo Young Yoon, Kwang-Chul Jung, Sang Cheol Shin, Joo Ae Youn
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Publication number: 20150268518Abstract: A liquid crystal display including a first substrate, a pixel electrode on the first substrate and including a first subpixel electrode and a second subpixel electrode separated from each other and located in one pixel area, a second substrate facing the first substrate, a common electrode on the second substrate, and a liquid crystal layer between the first substrate and the second substrate, wherein a first voltage applied to the first subpixel electrode is higher than a second voltage applied to the second subpixel electrode, wherein the first subpixel electrode includes first branch electrodes, the second subpixel electrode includes second branch electrodes, the second subpixel electrode is located around the pixel area to enclose the first subpixel electrode, wherein the first branch electrodes and the second branch electrodes face each other in a boundary portion of the first subpixel electrode and the second subpixel electrode.Type: ApplicationFiled: March 6, 2015Publication date: September 24, 2015Inventors: Dong-Chul Shin, Oh Jeong Kwon, Heung Shik Park, Sung-Jae Yun, Su Jin Kim, Jae Hong Park, Ki Chul Shin, Joo Young Yoon, Hyeok Jin Lee
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Publication number: 20150228186Abstract: A control method of a gateway communicating with at least one sensor and a service server is provided. The control method may include receiving, from the at least one sensor, first information comprising at least one of bioinformation, disaster prevention information, and public information, transmitting the first information to the service server when the first information meets a first standard, or processing the first information in a data format of the first standard and transmitting the processed first information to the service server when the first information does not meet the first standard, receiving, from the service server, a control command to control the at least one sensor, and transmitting the control command to a sensor corresponding to the control command.Type: ApplicationFiled: February 6, 2015Publication date: August 13, 2015Applicant: Electronics and Telecommunications Research InstituteInventors: Eun Ju JEONG, Won Ick JANG, Sung Jae YUN, Soon Mo KIM