Patents by Inventor Sang-Jin Jeon

Sang-Jin Jeon 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: 9691791
    Abstract: A display device includes: a substrate partitioned into a display area including a plurality of pixels for displaying images thereon and a non-display area around the display area; a plurality of first gate lines and a plurality of data lines extended in one direction on the display area; a plurality of pads on one side of the non-display area; a plurality of gate fan-out lines, each coupling one of the first gate lines and a corresponding one of the pads; and a plurality of data fan-out lines, each coupling one of the data lines and a corresponding one of the pads, wherein the gate fan-out lines and the data fan-out lines may be alternately disposed.
    Type: Grant
    Filed: June 2, 2015
    Date of Patent: June 27, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sang Jin Jeon, Kwang Chul Jung, Se Hyoung Cho
  • Patent number: 9587053
    Abstract: The disclosed is a preparation method of a propylene-1-butene copolymer by using a catalyst that includes a novel metallocene compound having excellent copolymerization activity.
    Type: Grant
    Filed: September 30, 2014
    Date of Patent: March 7, 2017
    Assignee: LG Chem, Ltd.
    Inventors: Kyung Seop Noh, Churl Young Park, Won Hee Kim, Sang Jin Jeon, Ra Yun Choi, Byung Seok Kim, Ji Ho Choi
  • Patent number: 9552759
    Abstract: A display apparatus includes a display panel including a driving part arranged along one side of the display panel, the display panel including a plurality of first gate lines that zigzag across the display in a diagonal direction between the first and second directions by alternately extending in the first and the second directions. The display device includes a first display area and a second display area, pixels within the first display area always receiving gate signals from a driving part connected to an end of the first gate lines. Within the second display area, a second gate lines extending in the first direction may be electrically connected to the first gate lines that relay gate signals to the first gate lines. This results in a reduced peripheral area of the display area, so that many displays can be combined together to produce a single image.
    Type: Grant
    Filed: June 5, 2015
    Date of Patent: January 24, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sang-Jin Jeon, Il-Gon Kim, Hee-Rim Song
  • Patent number: 9551905
    Abstract: A display device is provided that includes a first substrate, a gate wiring formed on the first substrate and extending in a first direction, a data wiring insulated from and crossing the gate wiring and extending in a second direction, and a pixel electrode including a first subpixel electrode to which a first data voltage is applied from the data wiring and a second subpixel electrode to which a second data voltage different from the first data voltage is applied from the data wiring, wherein the first subpixel electrode is surrounded by the second subpixel electrode, and the second subpixel electrode includes a plurality of slit patterns formed in portions thereof which are adjacent to the first subpixel electrode.
    Type: Grant
    Filed: April 1, 2014
    Date of Patent: January 24, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hee Rim Song, Mee Hye Jung, Sang Uk Lim, Sang Jin Jeon
  • Publication number: 20170010487
    Abstract: The present invention relates to a liquid crystal display including: a lower electrode including a unit pixel electrode; an upper electrode including an upper unit electrode facing the unit pixel electrode; and a liquid crystal layer between the lower electrode and the upper electrode and including a plurality of liquid crystal molecules aligned approximately perpendicular to the surfaces of the lower electrode and the upper electrode in the absence of an electric field, wherein the unit pixel electrode includes a stem forming a boundary between a plurality of sub-regions and a plurality of minute branches extending in different directions in two different sub-regions, the upper unit electrode includes an opening facing the stem and extending parallel to the stem, any alignment aid to pretilt the liquid crystal molecules is absent, and a length of the minute branches is equal to or less than about 53 ?m.
    Type: Application
    Filed: September 20, 2016
    Publication date: January 12, 2017
    Inventors: Jang Wi RYU, Cheol SHIN, Hak Sun CHANG, Ki Chul SHIN, Jae-Soo JANG, Ka Eun KIM, Ho Kil OH, Se Hyun LEE, Hyo Ju JUNG, Sang Hyeon SONG, Sang Jin JEON
  • Patent number: 9527946
    Abstract: The present description relates to an olefin block copolymer having excellences in elasticity and heat resistance and its preparation method. The olefin block copolymer includes a plurality of blocks or segments, each of which includes an ethylene or propylene repeating unit and an ?-olefin repeating unit at different weight fractions. The olefin block copolymer has a density of 0.85 to 0.92 g/cm3, and density X (g/cm3) and TMA (Thermal Mechanical Analysis) value Y (° C.) satisfy a defined relationship.
    Type: Grant
    Filed: July 9, 2015
    Date of Patent: December 27, 2016
    Assignee: LG Chem, Ltd.
    Inventors: Kyung-Seop Noh, Nan-Young Lee, Won-Hee Kim, Sang-Eun An, Sang-Jin Jeon, Cheon-Il Park, Choong-Hoon Lee
  • Publication number: 20160340451
    Abstract: The present invention relates to a metallocene compound having novel structure which can provide various selectivity and activity to polyolefin copolymers, a preparation method thereof, and a preparation method of polyolefin using the metallocene compound.
    Type: Application
    Filed: October 8, 2015
    Publication date: November 24, 2016
    Applicant: LG CHEM, Ltd.
    Inventors: Hee Kwang PARK, Hye Kyung LEE, Byubg Seok KIM, Jae Youp CHEONG, Kyung Seop NOH, Ra Yun CHOI, Sang Hoon LEE, Sang Jin JEON
  • Patent number: 9500917
    Abstract: The present invention relates to a liquid crystal display including: a lower electrode including a unit pixel electrode; an upper electrode including an upper unit electrode facing the unit pixel electrode; and a liquid crystal layer between the lower electrode and the upper electrode and including a plurality of liquid crystal molecules aligned approximately perpendicular to the surfaces of the lower electrode and the upper electrode in the absence of an electric field, wherein the unit pixel electrode includes a stem forming a boundary between a plurality of sub-regions and a plurality of minute branches extending in different directions in two different sub-regions, the upper unit electrode includes an opening facing the stem and extending parallel to the stem, any alignment aid to pretilt the liquid crystal molecules is absent, and a length of the minute branches is equal to or less than about 53 ?m.
    Type: Grant
    Filed: July 3, 2013
    Date of Patent: November 22, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jang Wi Ryu, Cheol Shin, Hak Sun Chang, Ki Chul Shin, Jae-Soo Jang, Ka Eun Kim, Ho Kil Oh, Se Hyun Lee, Hyo Ju Jung, Sang Hyeon Song, Sang Jin Jeon
  • Publication number: 20160333125
    Abstract: The polypropylene copolymer according to the present invention has a low melting point and also is excellent in the low temperature heat sealing effect, transparency and strength, and the film prepared therefrom can be effectively used as a sealing layer of the non-stretched polypropylene-based film.
    Type: Application
    Filed: December 4, 2015
    Publication date: November 17, 2016
    Inventors: Kyung Seop NOH, Ji Ho CHOI, Churl Young PARK, Ki Soo LEE, Sang Jin JEON, Hee Kwang PARK, Won-Sang LEE, Ah Young SEO
  • Publication number: 20160257703
    Abstract: The present invention relates to a metallocene compound having novel structure which can provide various selectivity and activity to polyolefin copolymers, a preparation method thereof, and a preparation method of polyolefin using the metallocene compound.
    Type: Application
    Filed: October 8, 2015
    Publication date: September 8, 2016
    Inventors: Hee Kwang PARK, Byung Seok KIM, Hye Kyung LEE, Jae Youp CHEONG, Kyung Seop NOH, Sang Eun AN, In Sun LEE, Sang Jin JEON
  • Publication number: 20160251460
    Abstract: The present invention relates to a preparation method of a propylene-1-butene copolymer and a propylene-1-butene copolymer obtained therefrom. More specifically, it relates to a method of preparing a propylene-1-butene copolymer by using a catalyst that includes a novel metallocene compound having excellent copolymerization activity, and a propylene-1-butene copolymer obtained by the method. According to the present invention, since the copolymer is prepared by copolymerizing propylene and 1-butene by using a novel metallocene compound having an excellent copolymerization activity and hydrogen reactivity, the properties of the copolymer can be easily controlled and the propylene-1-butene copolymer having excellent mechanical properties can be obtained.
    Type: Application
    Filed: September 30, 2014
    Publication date: September 1, 2016
    Inventors: Kyung Seop NOH, Churl Young PARK, Won Hee KIM, Sang Jin JEON, Ra Yun CHOI, Byung Seok KIM, Ji Ho CHOI
  • Publication number: 20160208028
    Abstract: The present invention relates to a preparation method of a polypropylene and a polypropylene obtained therefrom. More specifically, it relates to a method of preparing a polypropylene by using a catalyst that includes a novel metallocene compound having an excellent polymerization activity, and a polypropylene obtained by the method. According to the present invention, since the polypropylene is prepared by polymerizing propylene by using a novel metallocene compound having an excellent polymerization activity and hydrogen reactivity, the properties of the polypropylene can be easily controlled and the polypropylene having excellent mechanical properties can be obtained.
    Type: Application
    Filed: September 30, 2014
    Publication date: July 21, 2016
    Inventors: Ji Ho CHOI, Churl Young PARK, Kyung Seop NOH, Won Hee Kim, Sang JIn JEON, Ra Yun CHOI, Byung Seok KIM
  • Publication number: 20160209954
    Abstract: A touch sensor including first touch electrode lines extending in one direction and second touch electrode lines extending in a diagonal direction sloped with respect to the first touch electrode lines. A first touch electrode line intersects a second touch electrode line.
    Type: Application
    Filed: September 14, 2015
    Publication date: July 21, 2016
    Inventors: Se Hyoung CHO, Il Gon Kim, Kyung-Hoon Kim, Sang Jin Jeon
  • Publication number: 20160168304
    Abstract: The present description relates to an olefin block copolymer having excellences in elasticity and heat resistance and its preparation method. The olefin block copolymer includes a plurality of blocks or segments, each of which includes an ethylene or propylene repeating unit and an ?-olefin repeating unit at different weight fractions. The olefin block copolymer has a density of 0.85 to 0.92 g/cm3, and density X (g/cm3) and TMA (Thermal Mechanical Analysis) value Y (° C.) satisfy a defined relationship.
    Type: Application
    Filed: July 9, 2015
    Publication date: June 16, 2016
    Inventors: Kyung-Seop NOH, Nan-Young LEE, Won-Hee KIM, Sang-Eun AN, Sang-Jin JEON, Cheon-Il PARK, Choong-Hoon LEE
  • Patent number: 9355741
    Abstract: A gate drive circuit includes a shift register having a plurality of stages, in which an n-th stage (‘n’ is a natural number) of the plurality of stages is connected to at least one subsequent stage. The n-th stage includes a pull-up part configured to output a high voltage of an n-th gate signal using a high voltage of a clock signal as in response to a high voltage of a control node, a control pull-down part configured to pull-down a voltage of the control node into a low voltage in response to a carry signal outputted from at least one of next stages of the n-th stage and receiving a back-bias voltage corresponding to the low voltage, and a carry part configured to output the high voltage of the clock signal as an n-th carry signal in response to a high voltage of the control node.
    Type: Grant
    Filed: May 13, 2014
    Date of Patent: May 31, 2016
    Assignee: Samsung Display Co., LTD.
    Inventors: Sang-Jin Jeon, Jun-Ki Jeong, Se-Hyoung Cho
  • Patent number: 9316357
    Abstract: There is provided a pressure vessel. The pressure vessel may include a nozzle-boss comprising a neck part including a hollow portion and a flange part extended outward from the neck part, a liner coupled with the nozzle-boss to provide a space filled with a fluid therein, and a sealing part inserted into a lower end of the neck part to prevent a spillage of the fluid via a boundary between the nozzle-boss and the liner by preventing a direct contact between the fluid and the boundary.
    Type: Grant
    Filed: April 2, 2013
    Date of Patent: April 19, 2016
    Assignee: ILJIN Composites Co., Ltd.
    Inventors: Seok Bong Heo, Do-yeon Kim, Sang Jin Jeon, Sung Chul Kim, Bong Won Choi
  • Publication number: 20160035307
    Abstract: A display device includes: a substrate partitioned into a display area including a plurality of pixels for displaying images thereon and a non-display area around the display area; a plurality of first gate lines and a plurality of data lines extended in one direction on the display area; a plurality of pads on one side of the non-display area; a plurality of gate fan-out lines, each coupling one of the first gate lines and a corresponding one of the pads; and a plurality of data fan-out lines, each coupling one of the data lines and a corresponding one of the pads, wherein the gate fan-out lines and the data fan-out lines may be alternately disposed.
    Type: Application
    Filed: June 2, 2015
    Publication date: February 4, 2016
    Inventors: Sang Jin Jeon, Kwang Chul Jung, Se Hyoung Cho
  • Publication number: 20160005351
    Abstract: A display apparatus includes a display panel including a driving part arranged along one side of the display panel, the display panel including a plurality of first gate lines that zigzag across the display in a diagonal direction between the first and second directions by alternately extending in the first and the second directions. The display device includes a first display area and a second display area, pixels within the first display area always receiving gate signals from a driving part connected to an end of the first gate lines. Within the second display area, a second gate lines extending in the first direction may be electrically connected to the first gate lines that relay gate signals to the first gate lines. This results in a reduced peripheral area of the display area, so that many displays can be combined together to produce a single image.
    Type: Application
    Filed: June 5, 2015
    Publication date: January 7, 2016
    Inventors: Sang-Jin JEON, Il-Gon Kim, Hee-Rim SONG
  • Publication number: 20150379955
    Abstract: A display device is disclosed. In one aspect, the display device includes a display substrate including a display area having a plurality of pixels and a non-display area surrounding the display area. The display device also includes a gate driver formed in the non-display area and configured to provide a plurality of gate signals to the pixels via a plurality of gate lines in response to a plurality of control signals. The display device further includes a signal providing wiring line extending in the first direction in the non-display area and configured to receive one of the control signals. The display device also includes a signal delivering wiring line connected to the gate driver and at least one connection wiring line electrically connecting the signal providing wiring line to the signal delivering wiring line.
    Type: Application
    Filed: December 19, 2014
    Publication date: December 31, 2015
    Inventors: Sang Jin JEON, II Gon KIM, Bong Hyun YOU, Mee Hye JUNG, Jun Ki JEONG
  • Publication number: 20150340001
    Abstract: A display apparatus is provided including: a matrix arrangement of a plurality of pixels, a plurality of first signal lines formed in parallel to a first direction of the arrangement of the pixels, and a plurality of second signal lines formed in a diagonal direction of the arrangement of the pixels, wherein one of the first signal line and the second signal line is a data line and the other is a gate line.
    Type: Application
    Filed: February 13, 2015
    Publication date: November 26, 2015
    Inventors: Kwang-Chul JUNG, Il-Gon KIM, Kyoung-Ho LIM, Sang-Jin JEON