Patents by Inventor Ki Han Kim
Ki Han 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).
-
Patent number: 10960102Abstract: A superabsorbent polymer which has excellent initial absorbency and keeps water from flowing out under pressure even after the passage of a long period of time, in which the superabsorbent polymer keeps water from flowing out under pressure even after the passage of a long period of time to exhibit excellent absorbency, and also has an anti-caking property under conditions of high temperature and high humidity to improve storage stability, is provided. The superabsorbent polymer composition of the present invention may be used to improve physical properties of a variety of diapers, potty training pants, incontinence pads, etc., thereby being applied to production of personal absorbent hygiene products having high absorbency and excellent storage stability under conditions of high temperature and high humidity.Type: GrantFiled: December 11, 2014Date of Patent: March 30, 2021Inventors: Wook Hwan Noh, Jun Kyu Kim, Jong Hyuk Kwon, Young Jae Hur, Ki Han Kim
-
Patent number: 10423022Abstract: A light shielding apparatus that may transmit or shield light by using a plurality of PDLC layers, a method of fabricating the light shielding apparatus, and a transparent display device including the light shielding apparatus are discussed. The light shielding apparatus can include first and second substrates facing each other; a first electrode on the first substrate; a second electrode on the second substrate; and first and second polymer dispersed liquid crystal layers between the first electrode and the second electrode, wherein the first polymer dispersed liquid crystal layer includes first droplets having first liquid crystals, and the second polymer dispersed liquid crystal layer includes second droplets having second liquid crystals and first dichroic dyes.Type: GrantFiled: May 28, 2015Date of Patent: September 24, 2019Assignee: LG DISPLAY CO., LTD.Inventors: Moon Sun Lee, Ji Young Ahn, Pu Reum Kim, Ki Han Kim
-
Patent number: 10345635Abstract: There are provided a light control device, a method for manufacturing the light control device, and a display device comprising the light control device. The light control device includes a first substrate and a second substrate facing each other, and a plurality of liquid crystal units between the first substrate and the second substrate, and the plurality of liquid crystal units includes a first liquid crystal unit including a droplet including a first liquid crystal and a polymer and a second liquid crystal unit which is disposed on or under the first liquid crystal unit and configured as a polymer networked liquid crystal (PNLC) including a second liquid crystal, a coloring member, and a network.Type: GrantFiled: September 15, 2015Date of Patent: July 9, 2019Assignee: LG Display Co., Ltd.Inventors: Moon Sun Lee, Ji Young Ahn, Pu Reum Kim, Ki Han Kim
-
Patent number: 10317720Abstract: There are provided a light control apparatus, a method for manufacturing the light control apparatus, and a display apparatus including the light control apparatus. The light control apparatus includes a first substrate and a second substrate facing each other, and a plurality of liquid crystal units between the first substrate and the second substrate, and the plurality of liquid crystal units includes a first liquid crystal unit having a droplet including a liquid crystal and a polymer and configured as a polymer dispersed liquid crystal (PDLC) and a second liquid crystal unit which is disposed on or under the first liquid crystal unit and configured as a guest-host liquid crystal (GHLC) including a liquid crystal and a coloring member.Type: GrantFiled: September 4, 2015Date of Patent: June 11, 2019Assignee: LG Display Co., Ltd.Inventors: Moon Sun Lee, Ji Young Ahn, Pu Reum Kim, Ki Han Kim
-
Patent number: 10262795Abstract: A multilayer ceramic electronic component includes a ceramic body in which dielectric layers and internal electrodes are alternately disposed. Ceramic-metal compound layers are disposed on interfaces between the internal electrodes and the dielectric layers. Additionally, in some examples, spaces between adjacent internal electrodes are fully occupied by the dielectric layers and the dielectric layers contain a ceramic-metal compound containing metal particle. The ceramic-metal compound layer may have an embossing type configuration or a dendrite type configuration.Type: GrantFiled: March 16, 2016Date of Patent: April 16, 2019Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Hong Seok Kim, Chung Eun Lee, Doo Young Kim, Ki Han Kim, Ji Ye Choi, Kyung Ryul Lee, Jae Yeol Choi, Soo Kyong Jo
-
Patent number: 10228600Abstract: A light controlling apparatus includes first and second substrates facing each other; a first electrode on the first substrate; a second electrode on the second substrate; and a liquid crystal layer between the first electrode and the second electrode, the liquid crystal layer including cholesteric liquid crystals, wherein the cholesteric liquid crystals have a focal conic state in a light shielding mode in case where no voltage is applied, and have a homeotropic state in a transparent mode in case where a voltage is applied.Type: GrantFiled: June 30, 2015Date of Patent: March 12, 2019Assignee: LG Display Co., Ltd.Inventors: Ki Han Kim, Ji Young Ahn, Moon Sun Lee, Pu Reum Kim, Seok Won Ji
-
Patent number: 9989798Abstract: A light controlling apparatus, a method of fabricating the light controlling apparatus, and a transparent display device including the light controlling apparatus are disclosed, in which light may be transmitted or shielded using a polymer dispersed liquid crystal (PDLC) layer and a guest-host liquid crystal (GHLC) layer, where the guest-host liquid crystal layer includes dichroic dyes. The light controlling apparatus includes first and second substrates facing each other; a first electrode on the first substrate; a second electrode on the second substrate; and a polymer dispersed liquid crystal (PDLC) layer and a guest-host liquid crystal (GHLC) layer between the first electrode and the second electrode, wherein the PDLC layer includes first liquid crystals having droplets, and the GHLC layer includes second liquid crystals and dichroic dyes.Type: GrantFiled: June 23, 2015Date of Patent: June 5, 2018Assignee: LG Display Co., Ltd.Inventors: Ki Han Kim, Ji Young Ahn, Moon Sun Lee, Pu Reum Kim
-
Patent number: 9971222Abstract: A light controlling apparatus includes a first electrode on a first substrate; a first alignment film on the first electrode; a second electrode on a second substrate facing the first substrate; a second alignment film on the second electrode; and a guest-host liquid crystal layer having cholesteric liquid crystals and dichroic dyes between the first and second alignment films. The first and second electrodes provide a vertical electric field, and at least one of the first and second electrodes provides a horizontal electric field. The cholesteric liquid crystals have a homeotropic state when an electric field in a first direction is applied to the guest-host liquid crystal layer to realize a transparent mode. The cholesteric liquid crystals have a focal conic state when an electric field in a second direction is applied to realize a light shielding mode. A same state is maintained when no electric field is applied.Type: GrantFiled: July 24, 2015Date of Patent: May 15, 2018Assignee: LG Display Co., Ltd.Inventors: Ki Han Kim, Ji Young Ahn, Moon Sun Lee, Pu Reum Kim, Seok Won Ji
-
Publication number: 20170261782Abstract: There are provided a light control device, a method for manufacturing the light control device, and a display device comprising the light control device. The light control device includes a first substrate and a second substrate facing each other, and a plurality of liquid crystal units between the first substrate and the second substrate, and the plurality of liquid crystal units includes a first liquid crystal unit including a droplet including a first liquid crystal and a polymer and a second liquid crystal unit which is disposed on or under the first liquid crystal unit and configured as a polymer networked liquid crystal (PNLC) including a second liquid crystal, a coloring member, and a network.Type: ApplicationFiled: September 15, 2015Publication date: September 14, 2017Applicant: LG Display Co., Ltd.Inventors: Moon Sun LEE, Ji Young AHN, Pu Reum KIM, Ki Han KIM
-
Publication number: 20170261781Abstract: There are provided a light control apparatus, a method for manufacturing the light control apparatus, and a display apparatus including the light control apparatus. The light control apparatus includes a first substrate and a second substrate facing each other, and a plurality of liquid crystal units between the first substrate and the second substrate, and the plurality of liquid crystal units includes a first liquid crystal unit having a droplet including a liquid crystal and a polymer and configured as a polymer dispersed liquid crystal (PDLC) and a second liquid crystal unit which is disposed on or under the first liquid crystal unit and configured as a guest-host liquid crystal (GHLC) including a liquid crystal and a coloring member.Type: ApplicationFiled: September 4, 2015Publication date: September 14, 2017Applicant: LG Display Co., Ltd.Inventors: Moon Sun LEE, Ji Young AHN, Pu Reum KIM, Ki Han KIM
-
Publication number: 20170011850Abstract: A multilayer ceramic electronic component includes a ceramic body in which dielectric layers and internal electrodes are alternately disposed. Ceramic-metal compound layers are disposed on interfaces between the internal electrodes and the dielectric layers. Additionally, in some examples, spaces between adjacent internal electrodes are fully occupied by the dielectric layers and the dielectric layers contain a ceramic-metal compound containing metal particle. The ceramic-metal compound layer may have an embossing type configuration or a dendrite type configuration.Type: ApplicationFiled: March 16, 2016Publication date: January 12, 2017Inventors: Hong Seok KIM, Chung Eun LEE, Doo Young KIM, Ki Han KIM, Ji Ye CHOI, Kyung Ryul LEE, Jae Yeol CHOI, Soo Kyong JO
-
Publication number: 20160235882Abstract: A superabsorbent polymer which has excellent initial absorbency and keeps water from flowing out under pressure even after the passage of a long period of time, in which the superabsorbent polymer keeps water from flowing out under pressure even after the passage of a long period of time to exhibit excellent absorbency, and also has an anti-caking property under conditions of high temperature and high humidity to improve storage stability, is provided. The superabsorbent polymer composition of the present invention may be used to improve physical properties of a variety of diapers, potty training pants, incontinence pads, etc., thereby being applied to production of personal absorbent hygiene products having high absorbency and excellent storage stability under conditions of high temperature and high humidity.Type: ApplicationFiled: December 11, 2014Publication date: August 18, 2016Applicant: LG Chem, Ltd.Inventors: Wook Hwan Noh, Jun Kyu Kim, Jong Hyuk Kwon, Young Jae Hur, Ki Han Kim
-
Patent number: 9291864Abstract: In a display panel and a method of manufacturing the display panel, the display panel includes a display substrate including a first electrode and a second electrode insulated from the first electrode and disposed on the first electrode, an opposite substrate including a third electrode facing the second electrode, and a liquid crystal layer interposed between the display substrate and the opposite substrate. The liquid crystal layer includes liquid crystal molecules, a reactive mesogen polymer, and nano-rods.Type: GrantFiled: March 30, 2015Date of Patent: March 22, 2016Assignee: Samsung Display Co., Ltd.Inventors: Soon-Joon Rho, Hyeok-Jin Lee, Ji-Hong Bae, Jun Ha Park, Hye-Lim Jang, Tae-Hoon Yoon, Dong-Han Song, Ki-Han Kim, Jung-Wook Kim
-
Publication number: 20160026026Abstract: A light controlling apparatus includes a first electrode on a first substrate; a first alignment film on the first electrode; a second electrode on a second substrate facing the first substrate; a second alignment film on the second electrode; and a guest-host liquid crystal layer having cholesteric liquid crystals and dichroic dyes between the first and second alignment films. The first and second electrodes provide a vertical electric field, and at least one of the first and second electrodes provides a horizontal electric field. The cholesteric liquid crystals have a homeotropic state when an electric field in a first direction is applied to the guest-host liquid crystal layer to realize a transparent mode. The cholesteric liquid crystals have a focal conic state when an electric field in a second direction is applied to realize a light shielding mode. A same state is maintained when no electric field is applied.Type: ApplicationFiled: July 24, 2015Publication date: January 28, 2016Applicant: LG DISPLAY CO., LTD.Inventors: Ki Han Kim, Ji Young Ahn, Moon Sun Lee, Pu Reum Kim, Seok Won Ji
-
Publication number: 20150378189Abstract: A light controlling apparatus, a method of fabricating the light controlling apparatus, and a transparent display device including the light controlling apparatus are disclosed, in which light may be transmitted or shielded using a polymer dispersed liquid crystal (PDLC) layer and a guest-host liquid crystal (GHLC) layer, where the guest-host liquid crystal layer includes dichroic dyes. The light controlling apparatus includes first and second substrates facing each other; a first electrode on the first substrate; a second electrode on the second substrate; and a polymer dispersed liquid crystal (PDLC) layer and a guest-host liquid crystal (GHLC) layer between the first electrode and the second electrode, wherein the PDLC layer includes first liquid crystals having droplets, and the GHLC layer includes second liquid crystals and dichroic dyes.Type: ApplicationFiled: June 23, 2015Publication date: December 31, 2015Applicant: LG DISPLAY CO., LTD.Inventors: Ki Han Kim, Ji Young Ahn, Moon Sun Lee, Pu Reum Kim
-
Publication number: 20150378205Abstract: A light controlling apparatus includes first and second substrates facing each other; a first electrode on the first substrate; a second electrode on the second substrate; and a liquid crystal layer between the first electrode and the second electrode, the liquid crystal layer including cholesteric liquid crystals, wherein the cholesteric liquid crystals have a focal conic state in a light shielding mode in case where no voltage is applied, and have a homeotropic state in a transparent mode in case where a voltage is applied.Type: ApplicationFiled: June 30, 2015Publication date: December 31, 2015Applicant: LG Display Co., Ltd.Inventors: Ki Han Kim, Ji Young Ahn, Moon Sun Lee, Pu Reum Kim, Seok Won Ji
-
Publication number: 20150349028Abstract: A light shielding apparatus that may transmit or shield light by using a plurality of PDLC layers, a method of fabricating the light shielding apparatus, and a transparent display device including the light shielding apparatus are discussed. The light shielding apparatus can include first and second substrates facing each other; a first electrode on the first substrate; a second electrode on the second substrate; and first and second polymer dispersed liquid crystal layers between the first electrode and the second electrode, wherein the first polymer dispersed liquid crystal layer includes first droplets having first liquid crystals, and the second polymer dispersed liquid crystal layer includes second droplets having second liquid crystals and first dichroic dyes.Type: ApplicationFiled: May 28, 2015Publication date: December 3, 2015Applicant: LG DISPLAY CO., LTD.Inventors: Moon Sun LEE, Ji Young AHN, Pu Reum KIM, Ki Han KIM
-
Patent number: 9158159Abstract: A liquid crystal display panel includes a lower substrate, an upper substrate and a liquid crystal layer. The lower substrate includes a first base substrate and a pixel electrode formed on the first base substrate. The first base substrate includes a first sub pixel area and a second sub pixel area. The upper substrate includes a second base substrate and a common electrode formed on the second base substrate. The liquid crystal layer is interposed between the lower substrate and the upper substrate, and includes a first polymer disposed in the first sub pixel area and a second polymer disposed in the second pixel area. The first polymer has a first pre-tilt, and the second polymer has a second pre-tilt different from the first pre-tilt. Thus, a display quality of a liquid crystal display apparatus including the liquid crystal display panel may be enhanced.Type: GrantFiled: February 22, 2013Date of Patent: October 13, 2015Assignee: Samsung Display Co., Ltd.Inventors: Hoon Kim, Ki-Chul Shin, Tae-Hoon Yoon, Ki-Han Kim, Sun-Wook Choi
-
Publication number: 20150205173Abstract: In a display panel and a method of manufacturing the display panel, the display panel includes a display substrate including a first electrode and a second electrode insulated from the first electrode and disposed on the first electrode, an opposite substrate including a third electrode facing the second electrode, and a liquid crystal layer interposed between the display substrate and the opposite substrate. The liquid crystal layer includes liquid crystal molecules, a reactive mesogen polymer, and nano-rods.Type: ApplicationFiled: March 30, 2015Publication date: July 23, 2015Inventors: Soon-Joon RHO, Hyeok-Jin Lee, Ji-Hong Bae, Jun Ha Park, Hye-Lim Jang, Tae-Hoon Yoon, Dong-Han Song, Ki-Han Kim, Jung-Wook Kim
-
Patent number: 8994910Abstract: In a display panel and a method of manufacturing the display panel, the display panel includes a display substrate including a first electrode and a second electrode insulated from the first electrode and disposed on the first electrode, an opposite substrate including a third electrode facing the second electrode, and a liquid crystal layer interposed between the display substrate and the opposite substrate. The liquid crystal layer includes liquid crystal molecules, a reactive mesogen polymer, and nano-rods.Type: GrantFiled: June 15, 2012Date of Patent: March 31, 2015Assignees: Samsung Display Co., Ltd., Institute for Research & Industry Cooperation, PNUInventors: Soon-Joon Rho, Hyeok-Jin Lee, Ji-Hong Bae, Jun-Ha Park, Hye-Lim Jang, Tae-Hoon Yoon, Dong-Han Song, Ki-Han Kim, Jung-Wook Kim