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).

  • Publication number: 20180113570
    Abstract: A color conversion panel includes a substrate, a color conversion layer, a transmission layer, and a blue light cutting filter. The color conversion layer is disposed on the substrate. The color conversion layer includes a quantum dot. The transmission layer is disposed on the substrate. The blue light cutting filter is disposed between the substrate and the color conversion layer. An interface between the color conversion layer and the blue light cutting filter includes irregularities.
    Type: Application
    Filed: June 26, 2017
    Publication date: April 26, 2018
    Inventors: Soo Dong KIM, Su Jin Kim, Jin Won Kim, Hyeok Jin LEE, Jae Bum Cho
  • Patent number: 9952740
    Abstract: A color conversion panel includes a substrate, a color conversion layer, a transmission layer, and a blue light cutting filter. The color conversion layer is disposed on the substrate. The color conversion layer includes a quantum dot. The transmission layer is disposed on the substrate. The blue light cutting filter is disposed between the substrate and the color conversion layer. An interface between the color conversion layer and the blue light cutting filter includes irregularities.
    Type: Grant
    Filed: June 26, 2017
    Date of Patent: April 24, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Soo Dong Kim, Su Jin Kim, Jin Won Kim, Hyeok Jin Lee, Jae Bum Cho
  • Publication number: 20180101070
    Abstract: A curved liquid crystal display including 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 second curved liquid crystal alignment layer has an average value of surface roughness values greater than an average value of surface roughness values of the first curved liquid crystal alignment layer.
    Type: Application
    Filed: December 12, 2017
    Publication date: April 12, 2018
    Inventors: Dong Han Song, Oh Jeong Kwon, Su Jin Kim, Jin Won Kim, Ki Chui Shin, Dong Chui Shin, Sung Jae Yun, Hyeok Jin Lee
  • Patent number: 9885914
    Abstract: 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: Grant
    Filed: January 15, 2016
    Date of Patent: February 6, 2018
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hyeok Jin Lee, Oh Jeong Kwon, Dong Han Song, Sung-Jae Yun, Su Jin Kim, Jin Won Kim, Ki Chul Shin, Dong-Chul Shin
  • Publication number: 20180033848
    Abstract: An organic light emitting diode (OLED) display includes a substrate, a thin film transistor on the substrate, an organic light emitting diode on the thin film transistor, and including a first electrode connected with the thin film transistor, and a black organic layer between the thin film transistor and the first electrode, and including a black protrusion spaced from the first electrode.
    Type: Application
    Filed: June 8, 2017
    Publication date: February 1, 2018
    Inventors: Jin-Soo Jung, Hyeok Jin Lee, Jun Woo Lee, Baek Kyun Jeon
  • Patent number: 9880421
    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: Grant
    Filed: September 23, 2015
    Date of Patent: January 30, 2018
    Assignee: Samsung Display Co., Ltd
    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
  • Publication number: 20170351146
    Abstract: A liquid crystal display includes: a first substrate, a second substrate overlapping the first substrate, a liquid crystal layer positioned between the first substrate and the second substrate and including a plurality of liquid crystal molecules, a first alignment layer positioned between the first substrate and the liquid crystal layer, a second alignment layer positioned between the second substrate and the liquid crystal layer, and a plurality of protrusions positioned at at least one of between the first alignment layer and the liquid crystal layer and between the second alignment layer and the liquid crystal layer, wherein at least one among the plurality of protrusions includes a polymer of a reactive mesogen, and the reactive mesogen is represented by Chemical Formula 1: Pa-A1-O?CH2?nO-A2-Pb??Chemical Formula 1
    Type: Application
    Filed: January 19, 2017
    Publication date: December 7, 2017
    Inventors: Hyeok Jin LEE, Oh Jeong KWON, Ka Eun KIM, Soo Dong KIM, Su Jin KIM, Jin Won KIM, Jae Bum CHO, Baek Kyun JEON
  • Publication number: 20170343862
    Abstract: A liquid crystal display including a first substrate; a second substrate on the first substrate; a liquid crystal layer between the first substrate and the second substrate; a first alignment layer between the first substrate and the liquid crystal layer and including a first polymer; a second alignment layer between the second substrate and the liquid crystal layer and including a second polymer; and protrusions between the first alignment layer and the liquid crystal layer, wherein at least one of the protrusions includes an alignment polymer polymerized with a reactive mesogen, the first polymer includes a first main chain and a plurality of first side chains connected to the first main chain, and at least one of the plurality of first side chains includes a photoreactive group and a photoreactive derivative, and wherein the photoreactive group has an absorbance that is greater than that of the reactive mesogen.
    Type: Application
    Filed: November 17, 2016
    Publication date: November 30, 2017
    Inventors: Oh Jeong KWON, Hyeok Jin LEE, Ka Eun KIM, Soo Dong KIM, Su Jin KIM, Jae Bum CHO
  • Publication number: 20170329184
    Abstract: A liquid crystal display including: a first substrate; a second substrate configured to overlap the first substrate and to be separate from the first substrate; a liquid crystal layer disposed between the first substrate and the second substrate and including a liquid crystal molecule; a first alignment layer disposed between the first substrate and the liquid crystal layer; a second alignment layer disposed between the second substrate and the liquid crystal layer; and a plurality of protrusions disposed between the first alignment layer and the liquid crystal layer, wherein at least one protrusion of the plurality of protrusions includes an orientation polymer including a polymerized reactive mesogen, the first alignment layer includes a photo-reactive group, and the liquid crystal layer includes a photoreaction initiator.
    Type: Application
    Filed: April 27, 2017
    Publication date: November 16, 2017
    Inventors: Jae Bum CHO, Hyeok Jin LEE, Oh Jeong KWON, Ka Eun KIM, Su Jin KIM
  • Patent number: 9817281
    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: Grant
    Filed: October 7, 2015
    Date of Patent: November 14, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Oh Jeong Kwon, Yeo Geon Yoon, Sei-Yong Park, Dong-Chul Shin, Hyeok Jin Lee, Jin Won Kim, Ki Chul Shin
  • Patent number: 9817282
    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: December 28, 2015
    Date of Patent: November 14, 2017
    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
  • Patent number: 9804452
    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: Grant
    Filed: May 6, 2015
    Date of Patent: October 31, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Oh Jeong Kwon, Sung Jae Yun, Hyeok Jin Lee, Ki Chul Shin
  • Patent number: 9804461
    Abstract: A display device includes: a substrate; a gate line disposed on the substrate and extending in a first direction; a data line insulated from the gate line and extending in a second direction intersecting the first direction; a pixel electrode disposed in a pixel region defined by the gate line and the data line; a source electrode connected to the data line; a drain electrode spaced apart from the source electrode; and a color filter layer disposed on the data line, the source electrode, and the drain electrode. The color filter layer includes: a first contact hole exposing the drain electrode, and a second contact hole disposed over at least one of the source electrode and the drain electrode. The pixel electrode is disposed on the color filter layer and is connected to the drain electrode through the first contact hole.
    Type: Grant
    Filed: February 22, 2016
    Date of Patent: October 31, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Dong Chul Shin, Jin Won Kim, Oh Jeong Kwon, Dong Han Song, Taek Joon Lee, Ki Chul Shin, Hyeok Jin Lee
  • Patent number: 9759959
    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: Grant
    Filed: March 6, 2015
    Date of Patent: September 12, 2017
    Assignee: Samsung Display Co., Ltd.
    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
  • Patent number: 9709859
    Abstract: An optical modulation device includes a first plate, a second plate, and a liquid crystal layer. The first plate includes a first substrate, a lower plate electrode formed on the first substrate, a first electrode layer, and a first aligner. The first electrode layer and the first aligner are formed on the lower plate electrode. The second plate faces the first plate. The second plate includes an upper plate electrode and a second aligner. The liquid crystal layer is disposed between the first plate and the second plate. The liquid crystal layer includes a plurality of liquid crystal molecules. An alignment direction of the first aligner and an alignment direction of the second aligner are substantially parallel with each other.
    Type: Grant
    Filed: August 4, 2015
    Date of Patent: July 18, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Su Jin Kim, Suk Choi, Sung Hwan Hong, Ki Chul Shin, Hyeok Jin Lee
  • Patent number: 9709852
    Abstract: 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: Grant
    Filed: February 22, 2016
    Date of Patent: July 18, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hyeok Jin Lee, Oh Jeong Kwon, Su Jin Kim, Jin Won Kim, Dong Han Song, Ki Chul Shin, Dong-Chul Shin, Sung-Jae Yun
  • Publication number: 20170160593
    Abstract: A liquid crystal display (LCD) includes a first substrate which has a first surface, a first alignment layer which is disposed on the first surface of the first substrate and includes a polymerization initiator, a photocurable layer which is formed on the first alignment layer and includes an azobenzene group, a second substrate which has a first surface facing the first substrate and a second surface located opposite the first surface thereof, a second alignment layer which is disposed on the first surface of the second substrate, and a liquid crystal layer which is interposed between the photocurable layer and the second alignment layer.
    Type: Application
    Filed: June 15, 2016
    Publication date: June 8, 2017
    Inventors: Jae Bum CHO, Hyeok Jin LEE, Oh Jeong KWON, Ka Eun KIM, Su Jin KIM, Ki Chul SHIN
  • Publication number: 20170139280
    Abstract: A liquid crystal display device includes a first substrate, a first alignment film disposed on the first substrate, a second substrate, and a liquid crystal layer disposed between the first alignment film and the second substrate. The first substrate has a surface curved in a first direction and the second substrate has a surface curved in the first direction. The first alignment film includes a polymerization initiator and a polymer chain that is a copolymer of a dianhydride-based compound and a diamine-based compound. The polymer chain includes a main chain including a repeating unit including an imide group, a first side chain, including a vertical align group, bonded to the main chain, and a second side chain bonded to the main chain. The functional group includes a biphenyl group or a terphenyl group.
    Type: Application
    Filed: November 17, 2016
    Publication date: May 18, 2017
    Inventors: Hyeok Jin Lee, Oh Jeong Kwon, Jae Bum Cho, Ka Eun Kim, Su Jin Kim, Ki Chul Shin
  • Patent number: 9612464
    Abstract: A liquid crystal display includes first and second substrates facing each other, the first and second substrates including facing display areas and peripheral areas around the display areas, a plurality of pixels on the display area of the first substrate, a common voltage applying unit on the peripheral area of the first substrate, a data driving circuit unit on the peripheral area of the first substrate, a data driver connecting line on the peripheral area of the first substrate, the data driver connecting line being positioned between the common voltage applying unit and the display area of the first substrate, and connecting the data driving circuit unit and a data line in the display area, and a sealant between the peripheral areas of the first and second substrates and covering the common voltage applying unit and part of the data driver connecting line.
    Type: Grant
    Filed: July 1, 2014
    Date of Patent: April 4, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Suk Choi, Seung Wook Nam, Su Jin Kim, Jin Won Kim, Joo Young Yoon, Hyeok Jin Lee
  • Patent number: 9599859
    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: October 16, 2015
    Date of Patent: March 21, 2017
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Suk Choi, Sung-Hwan Hong, Su-Jin Kim, Hyeok-Jin Lee