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: 20240114674
    Abstract: A semiconductor memory device includes a substrate; a bit-line on the substrate and extending in a first direction; first and second channel patterns on the bit-line; the second channel pattern being spaced apart from the first channel pattern in the first direction; a first word-line between the first and second channel patterns and extending in a second direction that intersects the first direction; a second word-line between the first and second channel patterns, extending in the second direction, and being spaced apart from the first word-line in the first direction; capacitors on and connected to the channel patterns; wherein the first and second channel patterns include first and second metal oxide patterns sequentially on the bit-line, each of the first and second metal oxide patterns include an amorphous metal oxide, and a composition of the first metal oxide pattern is different from a composition of the second metal oxide pattern.
    Type: Application
    Filed: June 21, 2023
    Publication date: April 4, 2024
    Inventors: Jae Won NA, Chang Sik KIM, Jun Hwa SONG, Ji Hee JUN
  • Patent number: 9244310
    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: Grant
    Filed: June 13, 2014
    Date of Patent: January 26, 2016
    Assignee: SAMSUNG DISPLAY 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
  • Patent number: 9116393
    Abstract: A liquid crystal display panel may include a first substrate, a second substrate facing the first substrate and including a plurality of colloidal particles obtained by thermally treating a surface of the second substrate facing the first substrate, and a liquid crystal layer interposed between the first and second substrates to contain liquid crystal molecules. The size of each of the plurality of colloidal particles may vary according to the length of time heat is applied.
    Type: Grant
    Filed: May 31, 2012
    Date of Patent: August 25, 2015
    Assignees: Samsung Display Co., Ltd., SNU R&DB FOUNDATION
    Inventors: Kyungho Jung, Sin-Doo Lee, SeungChul Park, Jun-Hee Na, Jinhwan Kim
  • Patent number: 9084672
    Abstract: The present disclosure provides an artificial iris prepared by forming a ring-shaped hydrophilic region on a biocompatible substrate, coating a curable material thereon and then coating a photoreactive material mimicking the iris frills through optical irradiation. The artificial iris may be implemented into the real human eye and is capable of regulating the intensity of the light reaching the retina through the pupil depending on the intensity of ambient light.
    Type: Grant
    Filed: January 28, 2013
    Date of Patent: July 21, 2015
    Assignee: SNU R&DB Foundation
    Inventors: Sin Doo Lee, Jun Hee Na
  • Patent number: 8902392
    Abstract: A TFT array is disclosed that includes a substrate, a gate line, a data line; and a pixel, 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 lines of the first pixel electrode portion is smaller than an interval between adjacent second electrode lines of the second pixel electrode portion.
    Type: Grant
    Filed: August 24, 2012
    Date of Patent: December 2, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Seon-Ah Cho, Ji-Won Sohn, Hee-Wook Do, Jun-Hee Na
  • Publication number: 20140293203
    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: June 13, 2014
    Publication date: October 2, 2014
    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
  • Patent number: 8836873
    Abstract: A display device includes a first substrate, a middle layer, a first liquid crystal layer, a second substrate, a pixel part and a second liquid crystal layer. A first common electrode is on the first substrate. The middle layer includes a lenticular array, and a control electrode on the lenticular array. The control electrode faces the first common electrode. The first liquid crystal layer is between the middle layer and the first substrate, and a second common electrode is on a back side of the middle layer. The pixel part includes a plurality of pixel electrodes on the second substrate and facing the second common electrode. The second liquid crystal layer is between the second common electrode and the pixel part.
    Type: Grant
    Filed: May 18, 2012
    Date of Patent: September 16, 2014
    Assignees: Samsung Display Co., Ltd., SNU R&DB Foundation
    Inventors: Kyungho Jung, Sin-Doo Lee, Jun-Hee Na, Jinhwan Kim
  • Patent number: 8755013
    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: Grant
    Filed: April 6, 2009
    Date of Patent: June 17, 2014
    Assignee: Samsung Display 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: 20130297014
    Abstract: The present disclosure provides an artificial iris prepared by forming a ring-shaped hydrophilic region on a biocompatible substrate, coating a curable material thereon and then coating a photoreactive material mimicking the iris frills through optical irradiation. The artificial iris may be implemented into the real human eye and is capable of regulating the intensity of the light reaching the retina through the pupil depending on the intensity of ambient light.
    Type: Application
    Filed: January 28, 2013
    Publication date: November 7, 2013
    Applicant: SNU R&DB FOUNDATION
    Inventors: Sin Doo LEE, Jun Hee NA
  • Publication number: 20130088678
    Abstract: A liquid crystal display panel may include a first substrate, a second substrate facing the first substrate and including a plurality of colloidal particles obtained by thermally treating a surface of the second substrate facing the first substrate, and a liquid crystal layer interposed between the first and second substrates to contain liquid crystal molecules. The size of each of the plurality of colloidal particles may vary according to the length of time heat is applied.
    Type: Application
    Filed: May 31, 2012
    Publication date: April 11, 2013
    Applicants: SNU R&DB FOUNDATION, SAMSUNG DISPLAY CO., LTD.
    Inventors: Kyungho JUNG, Sin-Doo LEE, SeungChul PARK, Jun-Hee NA, Jinhwan Kim
  • Patent number: 8384865
    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: Grant
    Filed: January 18, 2012
    Date of Patent: February 26, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Ji-Won Sohn, Jun-Woo Lee, Jiangang Lu, Seung-Hoon Lee, Seon-Ah Cho, Jun-Hee Na
  • Publication number: 20130027640
    Abstract: A method for manufacturing a substrate for alignment of a liquid crystal may include: forming a vertical alignment layer on a substrate; performing an alignment process on the vertical alignment layer in a first direction; forming a protective layer at a partial region of the vertical alignment layer; performing an alignment process on other regions of the vertical alignment layer in a second direction; and removing the protective layer. A liquid crystal display device manufactured using the substrate for alignment of a liquid crystal ensures wide viewing angle and alignment stability with relatively simple processes as compared with the conventional vertically aligned (VA) mode liquid crystal display device.
    Type: Application
    Filed: August 4, 2010
    Publication date: January 31, 2013
    Applicant: SNU R&DB FOUNDATION
    Inventors: Sin-Doo Lee, Deog-Kyoon Jeong, Jun-Hee Na
  • Publication number: 20130009156
    Abstract: A TFT array is disclosed that includes a substrate, a gate line, a data line and a pixel, 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 lines of the first pixel electrode portion is smaller than an interval between adjacent second electrode lines of the second pixel electrode portion.
    Type: Application
    Filed: August 24, 2012
    Publication date: January 10, 2013
    Inventors: Seon-Ah CHO, Ji-Won SOHN, Hee-Wook DO, Jun-Hee Na
  • Publication number: 20120293735
    Abstract: A display device includes a first substrate, a middle layer, a first liquid crystal layer, a second substrate, a pixel part and a second liquid crystal layer. A first common electrode is on the first substrate. The middle layer includes a lenticular array, and a control electrode on the lenticular array. The control electrode faces the first common electrode. The first liquid crystal layer is between the middle layer and the first substrate, and a second common electrode is on a back side of the middle layer. The pixel part includes a plurality of pixel electrodes on the second substrate and facing the second common electrode. The second liquid crystal layer is between the second common electrode and the pixel part.
    Type: Application
    Filed: May 18, 2012
    Publication date: November 22, 2012
    Applicants: SNU R&DB FOUNDATION, SAMSUNG DISPLAY CO., LTD.
    Inventors: Kyungho JUNG, Sin-Doo LEE, Jun-Hee NA, Jinhwan KIM
  • Patent number: 8264651
    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: Grant
    Filed: July 30, 2008
    Date of Patent: September 11, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Seon-Ah Cho, Ji-Won Sohn, Hee-Wook Do, Jun-Hee Na
  • Patent number: 8237908
    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: Grant
    Filed: October 29, 2008
    Date of Patent: August 7, 2012
    Assignee: 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: 20120113371
    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 18, 2012
    Publication date: May 10, 2012
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ji-Won SOHN, Jun-Woo LEE, Jiangang LU, Seung-Hoon LEE, Seon-Ah CHO, Jun-Hee NA
  • Patent number: 8154695
    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: April 9, 2010
    Date of Patent: April 10, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Ji-Won Sohn, Jong-ho Son, Seung-beom Park, Seon-ah Cho, Jun-hee Na
  • Patent number: 8120736
    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: Grant
    Filed: January 24, 2008
    Date of Patent: February 21, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Ji-Won Sohn, Jun-Woo Lee, Jiangang Lu, Seung-Hoon Lee, Seon-Ah Cho, Jun-Hee Na
  • 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