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).
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Publication number: 20240114674Abstract: 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: ApplicationFiled: June 21, 2023Publication date: April 4, 2024Inventors: Jae Won NA, Chang Sik KIM, Jun Hwa SONG, Ji Hee JUN
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Patent number: 9244310Abstract: 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: GrantFiled: June 13, 2014Date of Patent: January 26, 2016Assignee: 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
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Patent number: 9116393Abstract: 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: GrantFiled: May 31, 2012Date of Patent: August 25, 2015Assignees: Samsung Display Co., Ltd., SNU R&DB FOUNDATIONInventors: Kyungho Jung, Sin-Doo Lee, SeungChul Park, Jun-Hee Na, Jinhwan Kim
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Patent number: 9084672Abstract: 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: GrantFiled: January 28, 2013Date of Patent: July 21, 2015Assignee: SNU R&DB FoundationInventors: Sin Doo Lee, Jun Hee Na
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Patent number: 8902392Abstract: 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: GrantFiled: August 24, 2012Date of Patent: December 2, 2014Assignee: Samsung Display Co., Ltd.Inventors: Seon-Ah Cho, Ji-Won Sohn, Hee-Wook Do, Jun-Hee Na
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Publication number: 20140293203Abstract: 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: ApplicationFiled: June 13, 2014Publication date: October 2, 2014Inventors: 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
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Patent number: 8836873Abstract: 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: GrantFiled: May 18, 2012Date of Patent: September 16, 2014Assignees: Samsung Display Co., Ltd., SNU R&DB FoundationInventors: Kyungho Jung, Sin-Doo Lee, Jun-Hee Na, Jinhwan Kim
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Patent number: 8755013Abstract: 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: GrantFiled: April 6, 2009Date of Patent: June 17, 2014Assignee: 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
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Publication number: 20130297014Abstract: 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: ApplicationFiled: January 28, 2013Publication date: November 7, 2013Applicant: SNU R&DB FOUNDATIONInventors: Sin Doo LEE, Jun Hee NA
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Publication number: 20130088678Abstract: 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: ApplicationFiled: May 31, 2012Publication date: April 11, 2013Applicants: SNU R&DB FOUNDATION, SAMSUNG DISPLAY CO., LTD.Inventors: Kyungho JUNG, Sin-Doo LEE, SeungChul PARK, Jun-Hee NA, Jinhwan Kim
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Patent number: 8384865Abstract: 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: GrantFiled: January 18, 2012Date of Patent: February 26, 2013Assignee: Samsung Display Co., Ltd.Inventors: Ji-Won Sohn, Jun-Woo Lee, Jiangang Lu, Seung-Hoon Lee, Seon-Ah Cho, Jun-Hee Na
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Publication number: 20130027640Abstract: 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: ApplicationFiled: August 4, 2010Publication date: January 31, 2013Applicant: SNU R&DB FOUNDATIONInventors: Sin-Doo Lee, Deog-Kyoon Jeong, Jun-Hee Na
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Publication number: 20130009156Abstract: 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: ApplicationFiled: August 24, 2012Publication date: January 10, 2013Inventors: Seon-Ah CHO, Ji-Won SOHN, Hee-Wook DO, Jun-Hee Na
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Publication number: 20120293735Abstract: 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: ApplicationFiled: May 18, 2012Publication date: November 22, 2012Applicants: SNU R&DB FOUNDATION, SAMSUNG DISPLAY CO., LTD.Inventors: Kyungho JUNG, Sin-Doo LEE, Jun-Hee NA, Jinhwan KIM
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Patent number: 8264651Abstract: 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 electrodeType: GrantFiled: July 30, 2008Date of Patent: September 11, 2012Assignee: Samsung Electronics Co., Ltd.Inventors: Seon-Ah Cho, Ji-Won Sohn, Hee-Wook Do, Jun-Hee Na
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Patent number: 8237908Abstract: 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: GrantFiled: October 29, 2008Date of Patent: August 7, 2012Assignee: 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
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Publication number: 20120113371Abstract: 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: ApplicationFiled: January 18, 2012Publication date: May 10, 2012Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Ji-Won SOHN, Jun-Woo LEE, Jiangang LU, Seung-Hoon LEE, Seon-Ah CHO, Jun-Hee NA
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Patent number: 8154695Abstract: 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: GrantFiled: April 9, 2010Date of Patent: April 10, 2012Assignee: Samsung Electronics Co., Ltd.Inventors: Ji-Won Sohn, Jong-ho Son, Seung-beom Park, Seon-ah Cho, Jun-hee Na
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Patent number: 8120736Abstract: 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: GrantFiled: January 24, 2008Date of Patent: February 21, 2012Assignee: Samsung Electronics Co., Ltd.Inventors: Ji-Won Sohn, Jun-Woo Lee, Jiangang Lu, Seung-Hoon Lee, Seon-Ah Cho, Jun-Hee Na
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Publication number: 20110221098Abstract: 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: ApplicationFiled: March 9, 2011Publication date: September 15, 2011Applicants: SAMSUNG MOBILE DISPLAY CO., LTD., SEOUL NATIONAL UNIVERSITY R&DB FOUNDATIONInventors: Won-Sang PARK, Kee-Han UH, Sin-Doo LEE, Jun-Hee NA, Yeun-Tae KIM, Kyung-Mo KOO