Patents by Inventor Su-jin Kim

Su-jin 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).

  • 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: 9624126
    Abstract: Provided are a heating element, which includes: a transparent substance; a conductive heating line that is provided on at least one side of the transparent substance; bus bars that is electrically connected to the conductive heating line; and a power portion that is connected to the bus bars, wherein 30% or more of the entire area of the transparent substance has a conductive heating line pattern in which, when the straight line that intersects the conductive heating line is drawn, a ratio (distance distribution ratio) of standard deviation in respects to an average value of distances between adjacent intersection points of the straight line and the conductive heating line is 2% or more, and a method for manufacturing the same.
    Type: Grant
    Filed: March 17, 2009
    Date of Patent: April 18, 2017
    Assignee: LG CHEM, LTD.
    Inventors: Hyeon Choi, Su-Jin Kim, Ji-Young Hwang, Seung-Tae Oh, Ki-Hwan Kim, Sang-Ki Chun, Young-Jun Hong, In-Seok Hwang, Dong-Wook Lee
  • Publication number: 20170098424
    Abstract: A display device includes a scan driver which supplies a gate-on voltage or a gate-off voltage to scan lines, and a power supply unit which supplies the gate-off voltage to the scan driver, and includes a temperature sensor which generates a sensing voltage of which voltage value is changed corresponding to a temperature of a panel or an ambient temperature, a first voltage limiter which limits a minimum voltage value of the sensing voltage, and a second voltage limiter which limits a maximum voltage value of the sensing voltage.
    Type: Application
    Filed: April 19, 2016
    Publication date: April 6, 2017
    Inventors: Yang Uk NAM, Jong Jae LEE, Su Jin KIM, Dae Sik LEE
  • Patent number: 9611171
    Abstract: Provided are a heating element that includes: a transparent substance; a conductive heating line that is provided on at least one side of the transparent substance; bus bars that is electrically connected to the conductive heating line; and a power portion that is connected to the bus bars, wherein 30% or more of the entire area of the transparent substance has a conductive heating line pattern that is formed of closed figures where a distribution is continuous and a ratio (area distribution ratio) of a standard deviation in respects to an average value of areas of the closed figures is 2% or more, and a method for manufacturing the same.
    Type: Grant
    Filed: March 17, 2009
    Date of Patent: April 4, 2017
    Assignee: LG CHEM, LTD.
    Inventors: Hyeon Choi, Su-Jin Kim, Ji-Young Hwang, Seung-Tae Oh, Ki-Hwan Kim, Sang-Ki Chun, Young-Jun Hong, In-Seok Hwang, Dong-Wook Lee
  • 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
  • Publication number: 20170090675
    Abstract: An ultrasound apparatus includes a touch screen configured to display, on an ultrasound image, a touch recognition region of an object used as a measurement mark; and a controller configured to move the object and the touch recognition region, in response to an input for touching and dragging the touch recognition region, to detect, from a portion of the ultrasound image which corresponds to the touch recognition region, a line formed by connecting points at which a brightness variation of a pixel is greater than a threshold value, and to move the object to a position of the detected line by using coordinates of the detected line.
    Type: Application
    Filed: December 12, 2016
    Publication date: March 30, 2017
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jae-ho LEE, Soon-jae HONG, Myong-woo LEE, Gi-hun YUN, Su-jin KIM
  • 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
  • Publication number: 20170050171
    Abstract: Disclosed is an attrition-resistant superabsorbent polymer, including a superabsorbent polymer, porous superhydrophobic microparticles, and water, thus increasing moisture content of the superabsorbent polymer and a method of manufacturing the attrition-resistant superabsorbent polymer is also provided.
    Type: Application
    Filed: October 14, 2015
    Publication date: February 23, 2017
    Applicant: LG Chem, Ltd.
    Inventors: Young-In Yang, Young-Sam Kim, Kyoung-Shil Oh, Bo-Hee Park, Su-Jin Kim
  • Patent number: 9568785
    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: Grant
    Filed: November 14, 2014
    Date of Patent: February 14, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD
    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: 20170036191
    Abstract: Disclosed are a superabsorbent polymer having improved anti-caking properties and a method of preparing the same, and the superabsorbent polymer having improved anti-caking properties includes a superabsorbent polymer, microparticles, and water, and to improve anti-caking properties of the superabsorbent polymer, the temperature of the superabsorbent polymer or water upon addition of water or the aging time upon stirring is adjusted, thereby preventing caking of the particles.
    Type: Application
    Filed: October 14, 2015
    Publication date: February 9, 2017
    Applicant: LG Chem, Ltd.
    Inventors: Young-In YANG, Young-Sam KIM, Jun-Kyu KIM, Bo-Hee PARK, Ung-Gu KANG, Min-Gyu KIM, Su-Jin KIM
  • Publication number: 20160377902
    Abstract: Provided are a light modulation device and a use thereof. The light modulation device may apply an external signal by a composite layer having a high transmittance in a visible region, a low transmittance in an infrared region and a low sheet resistance. Such a light modulation device may be applied in various uses such as a smart window, a window protecting film, a flexible display element, an active retarder for displaying a 3D image or a viewing angle control film.
    Type: Application
    Filed: March 6, 2015
    Publication date: December 29, 2016
    Applicant: LG CHEM, LTD.
    Inventors: Sung Joon MIN, Su Jin KIM, Doo Hoon SONG, Jin Hyong LIM, Dong Hyun OH, Ki Hwan KIM
  • Patent number: 9524043
    Abstract: The present invention provides a method of manufacturing a touch screen, comprising the steps of: a) forming a conductive layer on a substrate; b) forming an etching resist pattern on the conductive layer; and c) forming a conductive pattern having a line width smaller than the line width of the etching resist pattern by over-etching the conductive layer by using the etching resist pattern and a touch screen manufactured by the method. According to the present invention, a touch screen comprising a conductive pattern having an ultrafine line width can be economically and efficiently provided.
    Type: Grant
    Filed: October 20, 2014
    Date of Patent: December 20, 2016
    Assignee: LG Chem, Ltd.
    Inventors: Ji-Young Hwang, In-Seok Hwang, Sang-Ki Chun, Dong-Wook Lee, Yong-Koo Son, Min-Choon Park, Seung-Heon Lee, Beom-Mo Koo, Young-Jun Hong, Ki-Hwan Kim, Su-Jin Kim, Hyeon Choi
  • Publication number: 20160345936
    Abstract: A method of displaying an ultrasound image includes reading, based on a user's input, the ultrasound image stored in a storage medium; displaying, on a screen, the ultrasound image and TGC information that is matched to the ultrasound image; receiving an input of modifying the TGC information by adjusting a TGC value in the TGC information, the at least one TGC value corresponding to a depth value; and updating the ultrasound image based on the modified TGC information.
    Type: Application
    Filed: February 22, 2016
    Publication date: December 1, 2016
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Eun-jin CHO, Eun-ho YANG, Su-jin KIM, Woong LEE
  • Patent number: 9477086
    Abstract: A display device includes a first polarizer for transmitting first light that is parallel to a first axis and pertains to a two-dimensional image. The display device further includes a first electrode layer, a second electrode layer, and a liquid crystal layer disposed between the first electrode and the second electrode. The liquid crystal layer includes a chiral dopant and a liquid crystal material and is configured to form a lens associated with a predetermined phase distribution. The lens is configured for refracting the first light to transmit second light. The display device further includes a second polarizer for polarizing the second light to transmit third light that is parallel to a second axis. The second axis is oriented at an angle with respect to the first axis in a plan view of the display device. The angle has a predetermined angle size greater than zero degree.
    Type: Grant
    Filed: October 17, 2012
    Date of Patent: October 25, 2016
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Suk Choi, Sung Hwan Hong, Su Jin Kim, Heung Shik Park, Ji Hong Bae, Hyeok Jin Lee
  • Patent number: 9466836
    Abstract: A positive active material for a rechargeable lithium battery including a core including a compound being capable of intercalating and deintercalating lithium and the lithium metal phosphate positioned on the surface of the core, the lithium metal phosphate is represented by Chemical Formula 1, a method of preparing the same, and a rechargeable lithium battery including the same. Li1+(x+y)AxByTi2?(x+y)(PO4)3 ??Chemical Formula 1 In Chemical Formula 1, A, B, x and y are the same as defined in the detailed description.
    Type: Grant
    Filed: May 1, 2015
    Date of Patent: October 11, 2016
    Assignee: Samsung SDI Co., Ltd.
    Inventor: Su-Jin Kim
  • Publication number: 20160291409
    Abstract: A liquid crystal display includes: a lower display substrate; an upper display substrate facing the lower display substrate; and a liquid crystal layer disposed between the lower display substrate and the upper display substrate and including liquid crystal molecules. The lower display substrate includes a pixel electrode disposed on a first base substrate; and a cross-shaped auxiliary electrode disposed overlapping the pixel electrode on the first base substrate. The upper display substrate includes a common electrode disposed on a second base substrate.
    Type: Application
    Filed: October 23, 2015
    Publication date: October 6, 2016
    Inventors: Dong-Chul SHIN, Su Jin KIM, Jin Won KIM, Ki Chul SHIN, Hyeok Jin LEE
  • Publication number: 20160274417
    Abstract: 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: Application
    Filed: November 18, 2015
    Publication date: September 22, 2016
    Inventors: JIN WON KIM, OH JEONG KWON, SU JIN KIM, DONG HAN SONG, KI CHUL SHIN, DONG-CHUL SHIN, SUNG-JAE YUN, HYEOK JIN LEE
  • Publication number: 20160266420
    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: Application
    Filed: January 15, 2016
    Publication date: September 15, 2016
    Inventors: HYEOK JIN LEE, OH JEONG KWON, DONG HAN SONG, SUNG-JAE YUN, SU JIN KIM, JIN WON KIM, Kl CHUL SHIN, DONG-CHUL SHIN
  • Publication number: 20160259211
    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: Application
    Filed: February 22, 2016
    Publication date: September 8, 2016
    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: 20160259212
    Abstract: 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 is
    Type: Application
    Filed: March 2, 2016
    Publication date: September 8, 2016
    Inventors: Sung-Jae YUN, Su Jin KIM