Patents by Inventor Jun-hee Na

Jun-hee Na 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: 20110221098
    Abstract: A method of manufacturing an alignment substrate includes preparing a first substrate on which an alignment film aligned in a first alignment direction is formed; forming a plurality of fluoro-polymer patterns on the first substrate; changing the alignment direction of regions of the alignment film on which the fluoro-polymer patterns are not formed; and removing the fluoro-polymer patterns by using a fluoro-solvent.
    Type: Application
    Filed: March 9, 2011
    Publication date: September 15, 2011
    Applicants: SAMSUNG MOBILE DISPLAY CO., LTD., SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION
    Inventors: Won-Sang PARK, Kee-Han UH, Sin-Doo LEE, Jun-Hee NA, Yeun-Tae KIM, Kyung-Mo KOO
  • Patent number: 7812909
    Abstract: A liquid crystal display includes a first insulating substrate, a pixel electrode disposed on the first insulating substrate, a second insulating substrate facing the first insulating substrate, a common electrode disposed on the second insulating substrate without patterning, and a liquid crystal layer interposed between the first and second insulating substrates. The pixel electrode is divided into a plurality of domains that include a plurality of microelectrodes arranged substantially parallel to each other and are connected through a connecting pattern. The connecting pattern is formed by connecting the end of microelectrodes of each domain to the side of microelectrodes of adjacent domains.
    Type: Grant
    Filed: March 6, 2008
    Date of Patent: October 12, 2010
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Seon-Ah Cho, Ji-Won Sohn, Jun-Hee Na
  • Publication number: 20100195036
    Abstract: A liquid crystal display (LCD) comprises a first substrate comprising a pixel electrode comprising one or more first domain-forming features and further comprising a first vertical alignment film disposed on the pixel electrode; a second substrate facing the first substrate and comprising a common electrode which comprises one or more second domain-forming features and further comprises a second vertical alignment film disposed on the common electrode; and a liquid crystal compound interposed between the first and second substrates, wherein the liquid crystal compound comprises liquid crystal molecules, ultraviolet (UV) hardening monomers and UV hardening initiators, and the liquid crystal molecules are pre-tilted to form an angle greater than 88 degrees but less than 90 degrees with respect to the first substrate when no driving power is applied to the pixel and common electrodes. Fast response time is provided in some embodiments.
    Type: Application
    Filed: April 9, 2010
    Publication date: August 5, 2010
    Inventors: Ji-won SOHN, Jong-ho Son, Seung-beom Park, Seon-ah Cho, Jun-hee Na
  • Patent number: 7724333
    Abstract: A liquid crystal display (LCD) comprises a first substrate comprising a pixel electrode comprising one or more first domain-forming features and further comprising a first vertical alignment film disposed on the pixel electrode; a second substrate facing the first substrate and comprising a common electrode which comprises one or more second domain-forming features and further comprises a second vertical alignment film disposed on the common electrode; and a liquid crystal compound interposed between the first and second substrates, wherein the liquid crystal compound comprises liquid crystal molecules, ultraviolet (UV) hardening monomers and UV hardening initiators, and the liquid crystal molecules are pre-tilted to form an angle greater than 88 degrees but less than 90 degrees with respect to the first substrate when no driving power is applied to the pixel and common electrodes. Fast response time is provided in some embodiments.
    Type: Grant
    Filed: October 31, 2007
    Date of Patent: May 25, 2010
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Ji-won Sohn, Jong-ho Son, Seung-beom Park, Seon-ah Cho, Jun-hee Na
  • Publication number: 20100103357
    Abstract: A liquid crystal display device includes an array substrate, an opposite substrate and a liquid crystal display layer. The array substrate includes a pixel electrode and a lower reactive mesogen layer. The pixel electrode includes a plurality of slit portions disposed on a plurality of domains in different directions. The lower reactive mesogen layer is disposed on the pixel electrode to induce an inclined direction of liquid crystal molecules. The opposite substrate includes an upper substrate. An upper reactive mesogen layer is disposed on a common electrode of the opposite substrate. The liquid crystal layer includes liquid crystal molecules arranged to have a pretilt angle between a surface of the lower reactive mesogen layer and a surface of the upper reactive mesogen layer.
    Type: Application
    Filed: April 6, 2009
    Publication date: April 29, 2010
    Applicant: SAMSUNG ELECTRONICS CO., LTD
    Inventors: Myeong-Ha KYE, Jun-Hyup LEE, Jae-Jin LYU, Seung-Beom PARK, Jong-Ho SON, Ji-Won SOHN, Hoon KIM, Min-Goo SEOK, Jun-Hee NA, Min-Jae KIM, Su-Han WOO
  • Publication number: 20100002184
    Abstract: There is provided a method of manufacturing a liquid crystal display including forming a first display panel including a plurality of switching elements, forming a second display panel, and disposing a liquid crystal mixture including a liquid crystal material and an alignment assistant material between the first display panel and the second display panel. The first display panel, the second display panel, and the liquid crystal mixture form a liquid crystal panel assembly, and the alignment assistant material is cured by applying ultrasonic waves to the liquid crystal panel assembly.
    Type: Application
    Filed: February 19, 2009
    Publication date: January 7, 2010
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Jong-Ho SON, Jun-Hee Na, Su-Han Woo
  • Publication number: 20090270007
    Abstract: A method of manufacturing a liquid crystal display includes; forming a mother substrate assembly by disposing a liquid crystal mixture layer having liquid crystals and a light curable alignment supplement between a first mother substrate and a second mother substrate of a liquid crystal display, and disposing a light curable sealant surrounding the liquid crystal mixture layer, pre-tilting liquid crystal molecules of the liquid crystal mixture layer by applying a voltage to the first mother substrate and the second mother substrate, and simultaneously hardening the alignment supplement and the sealant by radiating light to the mother substrate assembly while applying the voltage to the first mother substrate and the second mother substrate.
    Type: Application
    Filed: October 29, 2008
    Publication date: October 29, 2009
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Min-Goo Seok, Jae-Jin Lyu, Seung-Beom Park, Jong-Ho Son, Ji-Won Sohn, Myeong-Ha Kye, Hoon Kim, Jun-Hee Na
  • Publication number: 20090046233
    Abstract: A TFT array is disclosed that includes a substrate, a gate line formed on the substrate, the gate line extending in a first direction; a data line insulated from the gate line, the data line extending in a second direction different from the first direction and crossing the gate line; and a pixel, positioned adjacent an intersection of the gate line and the data line, wherein the pixel comprises a first pixel electrode portion comprising a plurality of spaced apart first electrode lines, the first pixel electrode portion having an associated TFT coupled to the first electrode portion, a second pixel electrode portion comprising a plurality of spaced apart second electrode lines, the second pixel electrode portion capacitively coupled with the first pixel electrode portion, wherein a width of each of the first electrode lines of the first pixel electrode portion is narrower than a width of each of the second electrode lines of the second pixel electrode portion, and an interval between adjacent first electrode
    Type: Application
    Filed: July 30, 2008
    Publication date: February 19, 2009
    Applicant: Samsung Electronics Co., LTD
    Inventors: Seon-Ah CHO, Ji-Won Sohn, Hee-Wook Do, Jun-Hee Na
  • Publication number: 20080284960
    Abstract: A liquid crystal display is provided that includes first and second panels facing each other, an alignment layer disposed on at least one of the first and second panels, a fixing member disposed on the surface of the alignment layer to fix the alignment structure of the alignment layer, and liquid crystal materials disposed between the first and second panels. The liquid crystal materials include liquid crystal molecules that have a pre-tilt angle and are disposed on the alignment layer.
    Type: Application
    Filed: January 24, 2008
    Publication date: November 20, 2008
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ji-Won SOHN, Jun-Woo LEE, Jiangang LU, Seung-Hoon LEE, Seon-Ah CHO, Jun-Hee NA
  • Publication number: 20080266513
    Abstract: A liquid crystal display (LCD) comprises a first substrate comprising a pixel electrode comprising one or more first domain-forming features and further comprising a first vertical alignment film disposed on the pixel electrode; a second substrate facing the first substrate and comprising a common electrode which comprises one or more second domain-forming features and further comprises a second vertical alignment film disposed on the common electrode; and a liquid crystal compound interposed between the first and second substrates, wherein the liquid crystal compound comprises liquid crystal molecules, ultraviolet (UV) hardening monomers and UV hardening initiators, and the liquid crystal molecules are pre-tilted to form an angle greater than 88 degrees but less than 90 degrees with respect to the first substrate when no driving power is applied to the pixel and common electrodes. Fast response time is provided in some embodiments.
    Type: Application
    Filed: October 31, 2007
    Publication date: October 30, 2008
    Inventors: Ji-won Sohn, Jong-ho Son, Seung-beom Park, Seon-ah Cho, Jun-hee Na
  • Publication number: 20080259263
    Abstract: A liquid crystal display includes a first insulating substrate, a pixel electrode disposed on the first insulating substrate, a second insulating substrate facing the first insulating substrate, a common electrode disposed on the second insulating substrate without patterning, and a liquid crystal layer interposed between the first and second insulating substrates. The pixel electrode is divided into a plurality of domains that include a plurality of microelectrodes arranged substantially parallel to each other and are connected through a connecting pattern. The connecting pattern is is formed by connecting the end of microelectrodes of each domain to the side of microelectrodes of adjacent domains.
    Type: Application
    Filed: March 6, 2008
    Publication date: October 23, 2008
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Seon-Ah CHO, Ji-Won SOHN, Jun-Hee NA