Patents by Inventor Hyeok-Jin Lee

Hyeok-Jin Lee 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).

  • Patent number: 9373651
    Abstract: 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: Grant
    Filed: January 27, 2014
    Date of Patent: June 21, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sung-Jae Yun, Hae-Young Yun, Hyeok-Jin Lee, Hong-Jo Park
  • Publication number: 20160170268
    Abstract: 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: Application
    Filed: September 23, 2015
    Publication date: June 16, 2016
    Inventors: Dong Han SONG, Oh Jeong KWON, Su Jin KIM, Jin Won KIM, Ki Chul SHIN, Dong Chul SHIN, Sung Jae YUN, Hyeok Jin LEE
  • Patent number: 9366917
    Abstract: A liquid crystal display includes a first substrate and a second substrate facing each other, a pixel electrode disposed on the first substrate, a storage electrode line which is close to edges of the pixel electrode and spaced apart from the pixel electrode, a common electrode disposed on the second substrate, and a liquid crystal layer disposed between the first substrate and the second substrate, where the common electrode includes a first cutout having a cross shape, and the pixel electrode includes a second cutout which is close to at least one of the edges of the pixel electrode and disposed along the edge.
    Type: Grant
    Filed: January 8, 2014
    Date of Patent: June 14, 2016
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Oh Jeong Kwon, Hyeok Jin Lee, Jae Hong Park, Heung Shik Park, Ki Chul Shin
  • Publication number: 20160154281
    Abstract: 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: Application
    Filed: October 7, 2015
    Publication date: June 2, 2016
    Inventors: Oh Jeong KWON, Yeo Geon YOON, Sei-Yong PARK, Dong-Chul SHIN, Hyeok Jin LEE, Jin Won KIM, Ki Chul SHIN
  • Publication number: 20160109764
    Abstract: 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: Application
    Filed: May 6, 2015
    Publication date: April 21, 2016
    Inventors: Oh Jeong KWON, Sung Jae YUN, Hyeok Jin LEE, Ki Chul SHIN
  • Publication number: 20160109767
    Abstract: 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: Application
    Filed: December 28, 2015
    Publication date: April 21, 2016
    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
  • Publication number: 20160103370
    Abstract: A liquid crystal display includes: a flexible first substrate; a pixel electrode positioned on the first substrate and including an outer stem with a quadrangular shape, a crossed-shape stem including a transverse stem positioned inside the outer stem and a longitudinal stem crossing the transverse stem, and a plurality of minute branches extending from the outer stem and the crossed-shape stem; a flexible second substrate facing the first substrate; a common electrode positioned on the second substrate; and a liquid crystal layer including liquid crystal molecules interposed between the first substrate and the second substrate. An angle formed by minute branches of one sub-region of the pixel electrode positioned at second, third and fourth zones and the transverse stem is smaller than an angle formed by minute branches of three other sub-regions of the pixel electrode positioned at the second, third, and fourth zones and the transverse stem.
    Type: Application
    Filed: February 27, 2015
    Publication date: April 14, 2016
    Inventors: Jin Won KIM, Oh Jeong KWON, Hyeok Jin LEE, Ki Chul SHIN
  • Patent number: 9291864
    Abstract: In a display panel and a method of manufacturing the display panel, the display panel includes a display substrate including a first electrode and a second electrode insulated from the first electrode and disposed on the first electrode, an opposite substrate including a third electrode facing the second electrode, and a liquid crystal layer interposed between the display substrate and the opposite substrate. The liquid crystal layer includes liquid crystal molecules, a reactive mesogen polymer, and nano-rods.
    Type: Grant
    Filed: March 30, 2015
    Date of Patent: March 22, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Soon-Joon Rho, Hyeok-Jin Lee, Ji-Hong Bae, Jun Ha Park, Hye-Lim Jang, Tae-Hoon Yoon, Dong-Han Song, Ki-Han Kim, Jung-Wook Kim
  • Patent number: 9256106
    Abstract: 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: Grant
    Filed: January 17, 2013
    Date of Patent: February 9, 2016
    Assignee: 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
  • Publication number: 20160033798
    Abstract: A liquid crystal lens panel includes a plurality of lens electrodes, an alignment layer, a sealant and a light blocking pattern. The lens electrodes are arranged in an active region. The alignment layer is disposed in an alignment region which overlaps an entire of the active region and extends further than the active region. The sealant is disposed in a seal line region which is outside the alignment region. The light blocking pattern is disposed in the light blocking region which is between the seal line region and the alignment region.
    Type: Application
    Filed: October 16, 2015
    Publication date: February 4, 2016
    Inventors: Suk CHOI, Sung-Hwan HONG, Su-Jin KIM, Hyeok-Jin LEE
  • Patent number: 9170457
    Abstract: A liquid crystal lens panel includes a plurality of lens electrodes, an alignment layer, a sealant and a light blocking pattern. The lens electrodes are arranged in an active region. The alignment layer is disposed in an alignment region which overlaps an entire of the active region and extends further than the active region. The sealant is disposed in a seal line region which is outside the alignment region. The light blocking pattern is disposed in the light blocking region which is between the seal line region and the alignment region.
    Type: Grant
    Filed: July 12, 2012
    Date of Patent: October 27, 2015
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Suk Choi, Sung-Hwan Hong, Su-Jin Kim, Hyeok-Jin Lee
  • Publication number: 20150268518
    Abstract: 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: Application
    Filed: March 6, 2015
    Publication date: September 24, 2015
    Inventors: 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
  • Publication number: 20150268527
    Abstract: A liquid crystal display includes: a first and second substrates disposed opposite to each other; a gate line and a divided reference voltage line on the first substrate; a gate insulating layer on the gate line and the divided reference voltage line; a semiconductor layer on the gate insulating layer; a data line on the semiconductor layer; a passivation layer on the data line; a pixel electrode on the passivation layer; and a common electrode on the second substrate, where the divided reference voltage line and the data line are connected to a data driving line extension and a divided reference voltage driving line extension at a side of the first substrate, a common voltage driving line extension is at a side of the first substrate, the divided reference, common and data voltage driving line extensions are linearly connected to each other through resistors having different resistances.
    Type: Application
    Filed: September 12, 2014
    Publication date: September 24, 2015
    Inventors: Oh Jeong KWON, Dong-Chul SHIN, Hyeok Jin LEE, Ki Chul SHIN
  • Publication number: 20150205173
    Abstract: In a display panel and a method of manufacturing the display panel, the display panel includes a display substrate including a first electrode and a second electrode insulated from the first electrode and disposed on the first electrode, an opposite substrate including a third electrode facing the second electrode, and a liquid crystal layer interposed between the display substrate and the opposite substrate. The liquid crystal layer includes liquid crystal molecules, a reactive mesogen polymer, and nano-rods.
    Type: Application
    Filed: March 30, 2015
    Publication date: July 23, 2015
    Inventors: Soon-Joon RHO, Hyeok-Jin Lee, Ji-Hong Bae, Jun Ha Park, Hye-Lim Jang, Tae-Hoon Yoon, Dong-Han Song, Ki-Han Kim, Jung-Wook Kim
  • Publication number: 20150168789
    Abstract: 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: Application
    Filed: November 14, 2014
    Publication date: June 18, 2015
    Inventors: 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
  • Publication number: 20150160517
    Abstract: A liquid crystal display includes a first substrate, a gate line and a divided reference voltage line on the first substrate, a gate insulating layer in the gate line and the divided reference voltage line, a semiconductor layer on the gate insulating layer, a data line on the semiconductor layer, a passivation layer on the data line, a pixel electrode on the passivation layer, a second substrate corresponding to the first substrate, and a common electrode in the second substrate, where the gate line, the divided reference voltage line, and the data line extend to one side of the first substrate, a divided reference voltage driving line, and a data driving line, respectively, extensions are provided at ends of the divided reference voltage driving line and the data driving line, short spacers are disposed on the extensions, and the short spacers are in contact with the common electrode.
    Type: Application
    Filed: August 20, 2014
    Publication date: June 11, 2015
    Inventors: Jae Hong PARK, Jin Won KIM, Oh Jeong KWON, Heung Shik PARK, Hyeok Jin LEE, Ki Chul SHIN
  • Patent number: 9046723
    Abstract: A liquid crystal display and a manufacturing method are provided. A liquid crystal display according to an exemplary embodiment of the present invention includes: a first substrate; a second substrate facing the first substrate; a liquid crystal layer interposed between the first substrate and the second substrate, and including liquid crystal molecules; a first electrode positioned on the first substrate; an insulating layer positioned on the first electrode; a second electrode positioned on the insulating layer; and a third electrode positioned on the second substrate, wherein the second electrode includes a plurality of branches and a slit between neighboring ones of the branches, and a width of the slit is more than about two times to less than about five times a width of its corresponding branches.
    Type: Grant
    Filed: June 3, 2014
    Date of Patent: June 2, 2015
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Seung Ho Hong, Oh Jeong Kwon, Hyeok Jin Lee
  • Publication number: 20150098047
    Abstract: A liquid crystal display includes a first substrate and a second substrate facing each other, a pixel electrode on the first substrate, a common electrode on the second substrate, and a liquid crystal layer between the first substrate and the second substrate, wherein the common electrode includes a first cutout portion, and the pixel electrode includes a first sub-pixel electrode, a second sub-pixel electrode surrounding the first sub-pixel electrode, a second cutout portion adjacent to at least one of edges of the second sub-pixel electrode and disposed along the edges, and a third cutout portion isolating the first sub-pixel electrode from the second sub-pixel electrode, and the first sub-pixel electrode and the second sub-pixel electrode are located at different heights.
    Type: Application
    Filed: March 12, 2014
    Publication date: April 9, 2015
    Applicant: Samsung Display Co., Ltd.
    Inventors: Dong-Chul SHIN, Jae-Hong Park, Ki-Chul Shin, Hyeok-Jin Lee
  • Patent number: 8994910
    Abstract: In a display panel and a method of manufacturing the display panel, the display panel includes a display substrate including a first electrode and a second electrode insulated from the first electrode and disposed on the first electrode, an opposite substrate including a third electrode facing the second electrode, and a liquid crystal layer interposed between the display substrate and the opposite substrate. The liquid crystal layer includes liquid crystal molecules, a reactive mesogen polymer, and nano-rods.
    Type: Grant
    Filed: June 15, 2012
    Date of Patent: March 31, 2015
    Assignees: Samsung Display Co., Ltd., Institute for Research & Industry Cooperation, PNU
    Inventors: Soon-Joon Rho, Hyeok-Jin Lee, Ji-Hong Bae, Jun-Ha Park, Hye-Lim Jang, Tae-Hoon Yoon, Dong-Han Song, Ki-Han Kim, Jung-Wook Kim
  • Publication number: 20150085238
    Abstract: 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: Application
    Filed: December 1, 2014
    Publication date: March 26, 2015
    Inventors: Oh Jeong Kwon, Jae Hong Park, Sung-Jae Yun, Hyeok Jin Lee, Mee Hye Jung, Jiang Shuai, Kyung Hye Park, Jae-Hoon Kim