Patents by Inventor Ji Na Jeon
Ji Na Jeon 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: 11770944Abstract: Disclosed is a light emitting display device in which an optical compensation layer for compensating for an optical distance in each of subpixels configured to emit light with different colors is provided together with formation of a thin film transistor array so as to decrease a driving voltage value required to drive an organic stack and to improve processibility.Type: GrantFiled: April 21, 2021Date of Patent: September 26, 2023Assignee: LG Display Co., Ltd.Inventor: Ji Na Jeon
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Patent number: 11619842Abstract: A liquid crystal capsule includes: a shell; and a liquid crystal molecule in the shell, wherein a critical surface tension of the shell is smaller than a critical surface tension of the liquid crystal molecule. Further, the liquid crystal molecule includes a nematic liquid crystal and the shell includes polytetramethyldisiloxane. The liquid crystal capsule also includes an additive in the shell and the additive has a critical surface tension smaller than that of the liquid crystal molecule.Type: GrantFiled: June 18, 2021Date of Patent: April 4, 2023Assignee: LG DISPLAY CO., LTD.Inventors: Kyeong-Jin Kim, Ji-Na Jeon
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Publication number: 20220209172Abstract: Disclosed is a light emitting display device in which an optical compensation layer for compensating for an optical distance in each of subpixels configured to emit light with different colors is provided together with formation of a thin film transistor array so as to decrease a driving voltage value required to drive an organic stack and to improve processibility.Type: ApplicationFiled: April 21, 2021Publication date: June 30, 2022Inventor: Ji Na JEON
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Publication number: 20210311337Abstract: A liquid crystal capsule includes: a shell; and a liquid crystal molecule in the shell, wherein a critical surface tension of the shell is smaller than a critical surface tension of the liquid crystal molecule. Further, the liquid crystal molecule includes a nematic liquid crystal and the shell includes polytetramethyldisiloxane. The liquid crystal capsule also includes an additive in the shell and the additive has a critical surface tension smaller than that of the liquid crystal molecule.Type: ApplicationFiled: June 18, 2021Publication date: October 7, 2021Applicant: LG Display Co., Ltd.Inventors: Kyeong-Jin KIM, Ji-Na JEON
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Patent number: 11073714Abstract: A liquid crystal capsule includes: a shell; and a liquid crystal molecule in the shell, wherein a critical surface tension of the shell is smaller than a critical surface tension of the liquid crystal molecule. Further, the liquid crystal molecule includes a nematic liquid crystal and the shell includes polytetramethyldisiloxane. The liquid crystal capsule also includes an additive in the shell and the additive has a critical surface tension smaller than that of the liquid crystal molecule.Type: GrantFiled: March 28, 2018Date of Patent: July 27, 2021Assignee: LG DISPLAY CO., LTD.Inventors: Kyeong-Jin Kim, Ji-Na Jeon
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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: 10551648Abstract: The present disclosure relates to a switchable liquid crystal display device having a light weight and a thin profile where a viewing angle adjusting panel is formed by using a liquid crystal capsule having an optical isotropy and a number of substrates and polarizing plates.Type: GrantFiled: August 8, 2017Date of Patent: February 4, 2020Assignee: LG Display Co., Ltd.Inventors: Ji-Na Jeon, Min-Geun Choi
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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: 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: 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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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: 20180299712Abstract: A liquid crystal capsule includes: a shell; and a liquid crystal molecule in the shell, wherein a critical surface tension of the shell is smaller than a critical surface tension of the liquid crystal molecule. Further, the liquid crystal molecule includes a nematic liquid crystal and the shell includes polytetramethyldisiloxane. The liquid crystal capsule also includes an additive in the shell and the additive has a critical surface tension smaller than that of the liquid crystal molecule.Type: ApplicationFiled: March 28, 2018Publication date: October 18, 2018Applicant: LG Display Co., Ltd.Inventors: Kyeong-Jin KIM, Ji-Na JEON
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Patent number: 10061149Abstract: Disclosed is a nanocapsule liquid crystal display device. The display includes a liquid crystal panel having a substrate and a nanocapsule liquid crystal layer over the substrate; a first polarizing plate on an outer surface of the substrate and including a first polarizing layer; and a second polarizing plate directly on an outer surface of the nanocapsule liquid crystal layer and including a second polarizing layer and a phase difference layer, wherein a retardation of the nanocapsule liquid crystal layer is compensated by the phase difference layer.Type: GrantFiled: June 26, 2015Date of Patent: August 28, 2018Assignee: LG DISPLAY CO., LTD.Inventors: Ji-Na Jeon, Kyeong-Jin Kim, Min-Geon Choi
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Patent number: 10018867Abstract: A nano capsule liquid crystal layer and a liquid crystal display having the same are provided. The nano capsule liquid crystal layer includes a buffer layer and a plurality of nano capsules disposed in the buffer layer. An inside of each of the nano capsules includes liquid crystal molecules, and additives each having a center molecule and at least two first peripheral molecules connected to the center molecule and spaced apart from each other, and that are mixed with the liquid crystal molecules. The first peripheral molecules have a same phase as the liquid crystal molecule.Type: GrantFiled: November 28, 2016Date of Patent: July 10, 2018Assignee: LG Display Co., Ltd.Inventors: Kyung-Su Ha, Kyeong-Jin Kim, Ji-Na Jeon
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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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Patent number: 9964794Abstract: Discussed is a liquid crystal display device according to an embodiment including a substrate including a unit pixel having first to third sub-pixels arranged in a delta structure; and a first electrode and a second electrode in each of the first to third sub-pixels, each of the first and second electrodes including a first bar and a plurality of second bars branching off from the first bar, the first bar of the first electrode and the first bar of the second electrode facing each other and being parallel with each other, the second bars of the first electrode and the second bars of the second electrode interleaved with each other, wherein the first and second bars of the third sub-pixel makes first and second angles, respectively, relative to a first polarization axis.Type: GrantFiled: November 29, 2016Date of Patent: May 8, 2018Assignee: LG DISPLAY CO., LTD.Inventors: Kyung-Su Ha, Ji-Na Jeon, Eun-Woo Lee
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Publication number: 20180059451Abstract: The present disclosure relates to a switchable liquid crystal display device having a light weight and a thin profile where a viewing angle adjusting panel is formed by using a liquid crystal capsule having an optical isotropy and a number of substrates and polarizing plates.Type: ApplicationFiled: August 8, 2017Publication date: March 1, 2018Inventors: Ji-Na JEON, Min-Geun CHOI
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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