Patents by Inventor Jung Im HWANG
Jung Im HWANG 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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Patent number: 10852592Abstract: A liquid crystal display device is disclosed. The liquid crystal display device includes a first substrate, and a plurality of grooves periodically spaced apart from each other over the first substrate. The liquid crystal display device also includes a pixel electrode and a common electrode spaced apart from each other over the first substrate, and a liquid crystal layer including a plurality of liquid crystal capsules on the grooves.Type: GrantFiled: August 22, 2018Date of Patent: December 1, 2020Assignee: LG Display Co., Ltd.Inventors: Jung-Im Hwang, Hyun-Sook Jeon
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Patent number: 10761361Abstract: A liquid crystal display device includes: a substrate having first, second and third sub-pixels; a thin film transistor in each of the first, second and third sub-pixels on a front surface of the substrate; a pixel electrode and a common electrode in each of the first, second and third sub-pixels on the substrate, the pixel electrode and the common electrode spaced apart from each other; a liquid crystal layer on the pixel electrode and the common electrode, the liquid crystal layer including a liquid crystal capsule and a binder; an auxiliary adhesive layer on the liquid crystal layer; an optical film on the auxiliary adhesive layer; a first adhesive layer and a first polarizing plate sequentially on a rear surface of the substrate; and a second adhesive layer and a second polarizing plate sequentially on the optical film.Type: GrantFiled: November 13, 2018Date of Patent: September 1, 2020Assignee: LG DISPLAY CO., LTD.Inventors: Eun-Woo Lee, Min-Geun Choi, Jung-Im Hwang
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Patent number: 10578905Abstract: A liquid crystal display device includes a first substrate and a second substrate facing and spaced apart from each other, each of the first and second substrates including a pixel region; a first liquid crystal layer disposed on an inner surface of the first substrate and including a plurality of first liquid crystal capsules; a second liquid crystal layer disposed on an inner surface of the second substrate and including a plurality of second liquid crystal capsules; and a polarizer disposed between the first liquid crystal layer and the second liquid crystal layer, wherein each of the plurality of first liquid crystal capsules and the plurality of second liquid crystal capsules includes liquid crystal molecules and dichroic dyes.Type: GrantFiled: November 13, 2018Date of Patent: March 3, 2020Assignee: LG DISPLAY CO., LTD.Inventors: Jung-Im Hwang, Sang-Wook Lee, Ji-Na Jeon
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Patent number: 10317741Abstract: A liquid crystal display device includes: a substrate having a pixel including first and second areas; a thin film transistor on the substrate in the pixel; a first pixel electrode in the first area and connected to the thin film transistor; a first common electrode in the first area and spaced apart from the first pixel electrode by a first separation distance; a second pixel electrode in the second area and connected to the first pixel electrode; a second common electrode in the second area and spaced apart from the second pixel electrode by a second separation distance different from the first separation distance; and a liquid crystal layer on the first pixel electrode, the first common electrode, the second pixel electrode and the second common electrode.Type: GrantFiled: November 27, 2017Date of Patent: June 11, 2019Assignee: LG Display Co., Ltd.Inventors: Sang-Wook Lee, Jung-Im Hwang, Min-Geun Choi, Ji-Na Jeon
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Publication number: 20190155073Abstract: A liquid crystal display device includes: a substrate having first, second and third sub-pixels; a thin film transistor in each of the first, second and third sub-pixels on a front surface of the substrate; a pixel electrode and a common electrode in each of the first, second and third sub-pixels on the substrate, the pixel electrode and the common electrode spaced apart from each other; a liquid crystal layer on the pixel electrode and the common electrode, the liquid crystal layer including a liquid crystal capsule and a binder; an auxiliary adhesive layer on the liquid crystal layer; an optical film on the auxiliary adhesive layer; a first adhesive layer and a first polarizing plate sequentially on a rear surface of the substrate; and a second adhesive layer and a second polarizing plate sequentially on the optical film.Type: ApplicationFiled: November 13, 2018Publication date: May 23, 2019Applicant: LG DISPLAY CO., LTD.Inventors: Eun-Woo LEE, Min-Geun CHOI, Jung-Im HWANG
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Publication number: 20190155074Abstract: Disclosed is a liquid crystal display device that may include a first substrate; a first electrode on the first substrate, the first electrode including a plurality of first inclined planes; a nanocapsule liquid crystal layer on the first electrode, the nanocapsule liquid crystal layer including a plurality of nano-sized capsules dispersed in a buffer layer, each of the plurality of nano-sized capsules including nematic liquid crystal molecules having a negative dielectric constant anisotropy; and a second electrode on the nanocapsule liquid crystal layer, the second electrode including a plurality of second inclined planes facing the plurality of first inclined planes, wherein the nanocapsule liquid crystal layer is substantially, optically isotropic in a normal state, and is optically anisotropic when a voltage is applied to the first and second electrodes.Type: ApplicationFiled: January 4, 2019Publication date: May 23, 2019Inventors: Kyeong-Jin Kim, Jung-Im Hwang, Ji-Na Jeon, Kyung-Su Ha, Min-Geun Choi
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Publication number: 20190155072Abstract: A liquid crystal display device includes a first substrate and a second substrate facing and spaced apart from each other, each of the first and second substrates including a pixel region; a first liquid crystal layer disposed on an inner surface of the first substrate and including a plurality of first liquid crystal capsules; a second liquid crystal layer disposed on an inner surface of the second substrate and including a plurality of second liquid crystal capsules; and a polarizer disposed between the first liquid crystal layer and the second liquid crystal layer, wherein each of the plurality of first liquid crystal capsules and the plurality of second liquid crystal capsules includes liquid crystal molecules and dichroic dyes.Type: ApplicationFiled: November 13, 2018Publication date: May 23, 2019Applicant: LG DISPLAY CO., LTD.Inventors: Jung-Im HWANG, Sang-Wook LEE, Ji-Na JEON
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Publication number: 20190072824Abstract: A liquid crystal display device is disclosed. The liquid crystal display device includes a first substrate, and a plurality of grooves periodically spaced apart from each other over the first substrate. The liquid crystal display device also includes a pixel electrode and a common electrode spaced apart from each other over the first substrate, and a liquid crystal layer including a plurality of liquid crystal capsules on the grooves.Type: ApplicationFiled: August 22, 2018Publication date: March 7, 2019Applicant: LG Display Co., Ltd.Inventors: Jung-Im HWANG, Hyun-Sook JEON
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Patent number: 10222644Abstract: Disclosed is a liquid crystal display device that may include a first substrate; a first electrode on the first substrate, the first electrode including a plurality of first inclined planes; a nanocapsule liquid crystal layer on the first electrode, the nanocapsule liquid crystal layer including a plurality of nano-sized capsules dispersed in a buffer layer, each of the plurality of nano-sized capsules including nematic liquid crystal molecules having a negative dielectric constant anisotropy; and a second electrode on the nanocapsule liquid crystal layer, the second electrode including a plurality of second inclined planes facing the plurality of first inclined planes, wherein the nanocapsule liquid crystal layer is substantially, optically isotropic in a normal state, and is optically anisotropic when a voltage is applied to the first and second electrodes.Type: GrantFiled: July 10, 2017Date of Patent: March 5, 2019Assignee: LG DISPLAY CO., LTD.Inventors: Kyeong-Jin Kim, Jung-Im Hwang, Ji-Na Jeon, Kyung-Su Ha, Min-Geun Choi
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Patent number: 10168566Abstract: Discussed is a nanocapsule liquid crystal display device. The nanocapsule liquid crystal display device according to an embodiment includes a substrate; a pixel electrode and a common electrode on the substrate; a first polarization plate disposed under the substrate and including a first polarization layer; and a second polarization plate contacting at least one of the pixel electrode and the common electrode and including a second polarization layer and a nanocapsule liquid crystal layer between the second polarization layer and the substrate.Type: GrantFiled: August 25, 2015Date of Patent: January 1, 2019Assignee: LG DISPLAY CO., LTD.Inventors: Ji-Na Jeon, Kyeong-Jin Kim, Jung-Im Hwang, Min-Geon Choi, Kyung-Su Ha
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Publication number: 20180149894Abstract: A liquid crystal display device includes: a substrate having a pixel including first and second areas; a thin film transistor on the substrate in the pixel; a first pixel electrode in the first area and connected to the thin film transistor; a first common electrode in the first area and spaced apart from the first pixel electrode by a first separation distance; a second pixel electrode in the second area and connected to the first pixel electrode; a second common electrode in the second area and spaced apart from the second pixel electrode by a second separation distance different from the first separation distance; and a liquid crystal layer on the first pixel electrode, the first common electrode, the second pixel electrode and the second common electrode.Type: ApplicationFiled: November 27, 2017Publication date: May 31, 2018Applicant: LG Display Co., Ltd.Inventors: Sang-Wook LEE, Jung-Im HWANG, Min-Geun CHOI, Ji-Na JEON
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Publication number: 20170307917Abstract: Disclosed is a liquid crystal display device that may include a first substrate; a first electrode on the first substrate, the first electrode including a plurality of first inclined planes; a nanocapsule liquid crystal layer on the first electrode, the nanocapsule liquid crystal layer including a plurality of nano-sized capsules dispersed in a buffer layer, each of the plurality of nano-sized capsules including nematic liquid crystal molecules having a negative dielectric constant anisotropy; and a second electrode on the nanocapsule liquid crystal layer, the second electrode including a plurality of second inclined planes facing the plurality of first inclined planes, wherein the nanocapsule liquid crystal layer is substantially, optically isotropic in a normal state, and is optically anisotropic when a voltage is applied to the first and second electrodes.Type: ApplicationFiled: July 10, 2017Publication date: October 26, 2017Inventors: Kyeong-Jin KIM, Jung-Im HWANG, Ji-Na JEON, Kyung-Su HA, Min-Geun CHOI
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Patent number: 9759943Abstract: Disclosed is a liquid crystal display device that may include a first substrate; a first electrode on the first substrate, the first electrode including a plurality of first inclined planes; a nanocapsule liquid crystal layer on the first electrode, the nanocapsule liquid crystal layer including a plurality of nano-sized capsules dispersed in a buffer layer, each of the plurality of nano-sized capsules including nematic liquid crystal molecules having a negative dielectric constant anisotropy; and a second electrode on the nanocapsule liquid crystal layer, the second electrode including a plurality of second inclined planes facing the plurality of first inclined planes, wherein the nanocapsule liquid crystal layer is substantially, optically isotropic in a normal state, and is optically anisotropic when a voltage is applied to the first and second electrodes.Type: GrantFiled: November 23, 2016Date of Patent: September 12, 2017Assignee: LG DISPLAY CO, LTD.Inventors: Kyeong-Jin Kim, Jung-Im Hwang, Ji-Na Jeon, Kyung-Su Ha, Min-Geun Choi
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Publication number: 20170075154Abstract: Disclosed is a liquid crystal display device that may include a first substrate; a first electrode on the first substrate, the first electrode including a plurality of first inclined planes; a nanocapsule liquid crystal layer on the first electrode, the nanocapsule liquid crystal layer including a plurality of nano-sized capsules dispersed in a buffer layer, each of the plurality of nano-sized capsules including nematic liquid crystal molecules having a negative dielectric constant anisotropy; and a second electrode on the nanocapsule liquid crystal layer, the second electrode including a plurality of second inclined planes facing the plurality of first inclined planes, wherein the nanocapsule liquid crystal layer is substantially, optically isotropic in a normal state, and is optically anisotropic when a voltage is applied to the first and second electrodes.Type: ApplicationFiled: November 23, 2016Publication date: March 16, 2017Inventors: Kyeong-Jin KIM, Jung-Im HWANG, Ji-Na JEON, Kyung-Su HA, Min-Geun CHOI
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Patent number: 9535279Abstract: Disclosed is a liquid crystal display device that may include a first substrate; a first electrode on the first substrate, the first electrode including a plurality of first inclined planes; a nanocapsule liquid crystal layer on the first electrode, the nanocapsule liquid crystal layer including a plurality of nano-sized capsules dispersed in a buffer layer, each of the plurality of nano-sized capsules including nematic liquid crystal molecules having a negative dielectric constant anisotropy; and a second electrode on the nanocapsule liquid crystal layer, the second electrode including a plurality of second inclined planes facing the plurality of first inclined planes, wherein the nanocapsule liquid crystal layer is substantially, optically isotropic in a normal state, and is optically anisotropic when a voltage is applied to the first and second electrodes.Type: GrantFiled: October 20, 2014Date of Patent: January 3, 2017Assignee: LG DISPLAY CO., LTD.Inventors: Kyeong-Jin Kim, Jung-Im Hwang, Ji-Na Jeon, Kyung-Su Ha, Min-Geun Choi
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Patent number: 9366920Abstract: Provided are a liquid crystal display (LCD) device and fabricating method thereof. The liquid crystal display device, including a liquid crystal panel, includes: a first substrate, including: a pixel electrode, and a common electrode separated from the pixel electrode, a ratio of a width of the pixel electrode to a distance between the pixel electrode and the common electrode being in a range of about 1:1 to 1:7, and a nanocapsule liquid crystal layer formed on the first substrate, the nanocapsule liquid crystal layer including: a buffer material, and nanocapsules, each filled with liquid crystal molecules.Type: GrantFiled: December 17, 2013Date of Patent: June 14, 2016Assignee: LG Display Co., Ltd.Inventors: Kyeong Jin Kim, Jung Im Hwang, Ji Na Jeon, Kyung Su Ha
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Publication number: 20160062175Abstract: Discussed is a nanocapsule liquid crystal display device. The nanocapsule liquid crystal display device according to an embodiment includes a substrate; a pixel electrode and a common electrode on the substrate; a first polarization plate disposed under the substrate and including a first polarization layer; and a second polarization plate contacting at least one of the pixel electrode and the common electrode and including a second polarization layer and a nanocapsule liquid crystal layer between the second polarization layer and the substrate.Type: ApplicationFiled: August 25, 2015Publication date: March 3, 2016Applicant: LG DISPLAY CO., LTD.Inventors: Ji-Na JEON, Kyeong-Jin KIM, Jung-Im HWANG, Min-Geon CHOI, Kyung-Su HA
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Publication number: 20150109547Abstract: Disclosed is a liquid crystal display device that may include a first substrate; a first electrode on the first substrate, the first electrode including a plurality of first inclined planes; a nanocapsule liquid crystal layer on the first electrode, the nanocapsule liquid crystal layer including a plurality of nano-sized capsules dispersed in a buffer layer, each of the plurality of nano-sized capsules including nematic liquid crystal molecules having a negative dielectric constant anisotropy; and a second electrode on the nanocapsule liquid crystal layer, the second electrode including a plurality of second inclined planes facing the plurality of first inclined planes, wherein the nanocapsule liquid crystal layer is substantially, optically isotropic in a normal state, and is optically anisotropic when a voltage is applied to the first and second electrodes.Type: ApplicationFiled: October 20, 2014Publication date: April 23, 2015Inventors: Kyeong-Jin KIM, Jung-Im HWANG, Ji-Na JEON, Kyung-Su HA, Min-Geun CHOI
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Publication number: 20140184984Abstract: Provided are a liquid crystal display (LCD) device and fabricating method thereof. The liquid crystal display device, including a liquid crystal panel, includes: a first substrate, including: a pixel electrode, and a common electrode separated from the pixel electrode, a ratio of a width of the pixel electrode to a distance between the pixel electrode and the common electrode being in a range of about 1:1 to 1:7, and a nanocapsule liquid crystal layer formed on the first substrate, the nanocapsule liquid crystal layer including: a buffer material, and nanocapsules, each filled with liquid crystal molecules.Type: ApplicationFiled: December 17, 2013Publication date: July 3, 2014Applicant: LG DISPLAY CO., LTD.Inventors: Kyeong Jin KIM, Jung Im HWANG, Ji Na JEON, Kyung Su HA