Patents by Inventor Sung-Joon Min
Sung-Joon Min 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: 20180373084Abstract: The present application relates to a liquid crystal device. The liquid crystal device of the present application may realize a transparent white state, a transparent black state and a scattering state according to a level of an applied voltage at a fixed frequency. The liquid crystal device may be applied to, for example, a window of a vehicle, a smart window, a window protective film, a display, a light cutoff panel for a display, an active retarder for a 3D image display or a viewing angle controlling film.Type: ApplicationFiled: March 31, 2016Publication date: December 27, 2018Applicant: LG Chem, Ltd.Inventors: Eun Jung Lim, Sung Joon Min, Jung Sun You, Jung Woon Kim, Jin Hong Kim, Dong Hyun Oh
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Publication number: 20180246361Abstract: The present application relates to a method of manufacturing an optical device, an optical device and a use of the optical device. The method of manufacturing an optical device of the present application can form a patterned mold layer to maintain an appropriate gap between the upper and lower substrates, and can apply an imprinting process in patterning the mold layer to simply manufacture the mold pattern having the desired shape. In addition, the optical device manufactured by the above manufacturing method can have a low driving voltage and no short circuit phenomenon, and be realized as a flexible device. Such an optical device can be applied to various display devices such as LCDs.Type: ApplicationFiled: September 8, 2016Publication date: August 30, 2018Applicant: LG Chem, Ltd.Inventors: Jung Sun You, Sung Joon Min, Dong Hyun Oh, Jin Hong Kim, Jung Woon Kim, Eun Jung Lim
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Patent number: 9958742Abstract: The present application relates to an optical element. The exemplary optical element may have a variable transmittance by whether an external signal is applied or not. Also, since the optical element may apply the external signal by using a composite layer having a low transmittance to light in an infrared region, the optical element may block heat, and save energy. Such an optical element may be usefully employed in various optical devices, for example, a sunroof.Type: GrantFiled: March 9, 2015Date of Patent: May 1, 2018Assignee: LG CHEM, LTD.Inventors: Sung Joon Min, Eun Jung Lim, Dong Hyun Oh, Jung Woon Kim, Jung Sun You, Jin Hong Kim
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Publication number: 20180074377Abstract: A display element, a method for manufacturing the same, and a use thereof are provided. The display element can induce a decrease in driving voltage without reducing a difference in a cell gap, have durability by ensuring proper adhesion characteristics, and, specifically, can effectively overcome a problem of the display element including a vertical alignment adhesive layer, in particular, a problem of increasing driving voltage, which can be generated when the thickness is increased so as to improve the adhesion characteristics.Type: ApplicationFiled: June 10, 2016Publication date: March 15, 2018Applicant: LG Chem, Ltd.Inventors: Jung Sun You, Yoon Kyung Kwon, Dong Hyun Oh, Sung Joon Min, Jin Hong Kim, Jung Woon Kim, Eun Jung Lim
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Publication number: 20180067355Abstract: A liquid crystal device and the use thereof are provided. The liquid crystal device has an advantage in terms of power consumption since a normally transparent mode may be realized in a state in which an external electric field is not applied, and can exhibit an excellent light blocking characteristic when an external electric field is applied.Type: ApplicationFiled: March 28, 2016Publication date: March 8, 2018Applicant: LG Chem, Ltd.Inventors: Jin Hong KIM, Dong Hyun OH, Sung Joon MIN, Jung Sun YOU, Jung Woon KIM, Eun Jung LIM
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Patent number: 9904129Abstract: Provided are a light modulation device and a use thereof. The light modulation device may apply an external signal by a composite layer having a high transmittance in a visible region, a low transmittance in an infrared region and a low sheet resistance. Such a light modulation device may be applied in various uses such as a smart window, a window protecting film, a flexible display element, an active retarder for displaying a 3D image or a viewing angle control film.Type: GrantFiled: March 6, 2015Date of Patent: February 27, 2018Assignee: LG CHEM, LTD.Inventors: Sung Joon Min, Su Jin Kim, Doo Hoon Song, Jin Hyong Lim, Dong Hyun Oh, Ki Hwan Kim
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Publication number: 20180011352Abstract: The present invention relates to a liquid crystal device, a method of manufacturing the liquid crystal device, and the use of the liquid crystal device. The liquid crystal device according to the present invention has excellent light shielding rate variability characteristics. Such a liquid crystal device can be applied to various optical modulation devices such as a smart window, a window protection film, a flexible display device, an active retarder for displaying a 3D image, or a viewing angle adjustment film.Type: ApplicationFiled: February 5, 2016Publication date: January 11, 2018Applicant: LG Chem, Ltd.Inventors: Jung Woon Kim, Sung Joon Min, Jung Sun You, Jin Hong Kim, Eun Jung Lim, Dong Hyun Oh
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Patent number: 9840668Abstract: Provided are a liquid crystal device, a composition capable of forming a liquid crystal layer, a method of manufacturing the liquid crystal device, a system for manufacturing the liquid crystal device, and a use of the liquid crystal device. The liquid crystal device is a device capable of exhibiting, for example, a normally transparent or black mode, exhibiting a high contrast ratio, being driven with a low driving voltage, and exhibiting excellent durability such as thermal stability. Such a liquid crystal device may be applied to various optical modulators such as a smart window, a window protective film, a flexible display device, an active retarder for displaying 3D images, or a viewing angle control film.Type: GrantFiled: December 16, 2013Date of Patent: December 12, 2017Assignee: LG CHEM, LTD.Inventors: Sung Joon Min, Jung Sun You, Dong Hyun Oh
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Patent number: 9828550Abstract: Provided are a liquid crystal device, a composition capable of forming a liquid crystal layer, a method of manufacturing the liquid crystal device, a system for manufacturing the liquid crystal device, and a use of the liquid crystal device. The liquid crystal device is a device capable of exhibiting, for example, a normally white or black mode, which may exhibit a high contrast ratio and be driven with a low driving voltage, and exhibit excellent durability such as thermal stability. Such a liquid crystal device may be applied to various optical modulators such as a smart window, a window protective film, a flexible display device, an active retarder for displaying 3D images, or a viewing angle control film.Type: GrantFiled: December 16, 2013Date of Patent: November 28, 2017Assignee: LG CHEM, LTD.Inventors: Jung Sun You, Dong Hyun Oh, Sung Joon Min, Kyung Jun Kim, Dae Hee Lee, Jun Won Chang, Moon Soo Park
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Patent number: 9790429Abstract: Provided are a liquid crystal device, a composition capable of forming a liquid crystal layer, a method of manufacturing the liquid crystal device, a system for manufacturing the liquid crystal device, and a use of the liquid crystal device. The liquid crystal device is a device capable of exhibiting, for example, a normally transparent or black mode, exhibiting a high contrast ratio, being driven with a low driving voltage, and exhibiting excellent durability such as thermal stability. Such a liquid crystal device may be applied to various optical modulators such as a smart window, a window protective film, a flexible display device, an active retarder for displaying 3D images, or a viewing angle control film.Type: GrantFiled: December 16, 2013Date of Patent: October 17, 2017Assignee: LG CHEM, LTD.Inventors: Sung Joon Min, Jung Sun You, Dong Hyun Oh
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Patent number: 9588369Abstract: The present application relates to a liquid crystal cell, a method for preparing a liquid crystal cell and a display device. An exemplary liquid crystal cell may be applied to various types of display devices so as to control a viewing angle or light transmittance of the display device.Type: GrantFiled: June 6, 2014Date of Patent: March 7, 2017Assignee: LG CHEM, LTD.Inventors: Sung Joon Min, Dong Hyun Oh, Jun Won Chang, Kyung Jun Kim, Hye Won Jeong, Moon Soo Park
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Publication number: 20160377902Abstract: Provided are a light modulation device and a use thereof. The light modulation device may apply an external signal by a composite layer having a high transmittance in a visible region, a low transmittance in an infrared region and a low sheet resistance. Such a light modulation device may be applied in various uses such as a smart window, a window protecting film, a flexible display element, an active retarder for displaying a 3D image or a viewing angle control film.Type: ApplicationFiled: March 6, 2015Publication date: December 29, 2016Applicant: LG CHEM, LTD.Inventors: Sung Joon MIN, Su Jin KIM, Doo Hoon SONG, Jin Hyong LIM, Dong Hyun OH, Ki Hwan KIM
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Publication number: 20160299366Abstract: The present application relates to a method of preparing a liquid crystal capsule, a liquid crystal capsule and the use of the liquid crystal capsule. The liquid crystal capsule prepared according to an embodiment of the present application has advantages in that transmittance and stability are improved and the degree of scattering is uniform.Type: ApplicationFiled: February 26, 2015Publication date: October 13, 2016Applicant: LG CHEM, LTD.Inventors: Dong Hyun OH, Sung Joon MIN, Jung Sun YOU, Kyung Jun KIM
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Publication number: 20160291357Abstract: The present application relates to an optical element. The exemplary optical element may have a variable transmittance by whether an external signal is applied or not. Also, since the optical element may apply the external signal by using a composite layer having a low transmittance to light in an infrared region, the optical element may block heat, and save energy. Such an optical element may be usefully employed in various optical devices, for example, a sunroof.Type: ApplicationFiled: March 9, 2015Publication date: October 6, 2016Applicant: LG CHEM, LTD.Inventors: Sung Joon MIN, Eun Jung LIM, Dong Hyun OH, Jung Woon KIM, Jung Sun YOU, Jin Hong KIM
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Patent number: 9411189Abstract: A liquid crystal cell, a precursor of the liquid crystal layer, a method of manufacturing a liquid crystal cell, and use of the liquid crystal cell are provided. The liquid crystal cell may be manufactured simply in a consecutive manner using a roll-to-roll process. Also, the liquid crystal cell may be realized as a flexible device, and have an excellent contrast ratio. Such a liquid crystal cell can be applied in various applications including smart windows, window-protecting films, flexible display devices, active retarders for displaying 3D images, or viewing angle-adjusting films.Type: GrantFiled: August 31, 2012Date of Patent: August 9, 2016Assignee: LG CHEM, LTD.Inventors: Dong Hyun Oh, Kyung Jun Kim, Sung Joon Min, Jung Sun You
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Publication number: 20150368559Abstract: Provided are a liquid crystal device, a composition capable of forming a liquid crystal layer, a method of manufacturing the liquid crystal device, a system for manufacturing the liquid crystal device, and a use of the liquid crystal device. The liquid crystal device is a device capable of exhibiting, for example, a normally white or black mode, which may exhibit a high contrast ratio and be driven with a low driving voltage, and exhibit excellent durability such as thermal stability. Such a liquid crystal device may be applied to various optical modulators such as a smart window, a window protective film, a flexible display device, an active retarder for displaying 3D images, or a viewing angle control film.Type: ApplicationFiled: December 16, 2013Publication date: December 24, 2015Inventors: Jung Sun YOU, Dong Hyun OH, Sung Joon MIN, Kyung Jun KIM, Dae Hee LEE, Jun Won CHANG, Moon Soo PARK
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Publication number: 20150338689Abstract: Provided are a liquid crystal device, a composition capable of forming a liquid crystal layer, a method of manufacturing the liquid crystal device, a system for manufacturing the liquid crystal device, and a use of the liquid crystal device. The liquid crystal device is a device capable of exhibiting, for example, a normally white or black mode, exhibiting a high contrast ratio, driven with a low driving voltage, and exhibiting excellent durability such as thermal stability. Such a liquid crystal device may be applied to various optical modulators such as a smart window, a window protective film, a flexible display device, an active retarder for displaying 3D images, or a viewing angle control film.Type: ApplicationFiled: December 16, 2013Publication date: November 26, 2015Applicant: LG CHEM, LTD.Inventors: Sung Joon MIN, Jung Sun YOU, Dong Hyun OH
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Publication number: 20150331264Abstract: Provided are a liquid crystal device, a composition capable of forming a liquid crystal layer, a method of manufacturing the liquid crystal device, a system for manufacturing the liquid crystal device, and a use of the liquid crystal device. The liquid crystal device is a device capable of exhibiting, for example, a normally transparent or black mode, exhibiting a high contrast ratio, being driven with a low driving voltage, and exhibiting excellent durability such as thermal stability. Such a liquid crystal device may be applied to various optical modulators such as a smart window, a window protective film, a flexible display device, an active retarder for displaying 3D images, or a viewing angle control film.Type: ApplicationFiled: December 16, 2013Publication date: November 19, 2015Applicant: LG CHEM, LTD.Inventors: Sung Joon MIN, Jung Sun YOU, Dong Hyun OH
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Patent number: 9182624Abstract: The present application relates to a liquid crystal cell, a method for preparing a liquid crystal cell and a display device. An exemplary liquid crystal cell may be applied to various types of display devices so as to control a viewing angle or light transmittance of the display device.Type: GrantFiled: June 6, 2014Date of Patent: November 10, 2015Assignee: LG CHEM, LTD.Inventors: Sung Joon Min, Dong Hyun Oh, Jun Won Chang, Kyung Jun Kim, Hye Won Jeong, Moon Soo Park
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Patent number: 9060452Abstract: The present invention provides: a method for manufacturing an insulated conductive pattern, wherein a conductive film and an insulation layer pattern are formed on a substrate, and the insulation layer pattern is reformed to cover a conductive pattern after formation of the conductive pattern by etching the conductive film using the insulation layer pattern as a mask; and a laminate manufactured thereby. According to the present invention, the number of processes is sharply reduced in comparison with the existing processes, and economic efficiency can be greatly improved.Type: GrantFiled: February 8, 2010Date of Patent: June 16, 2015Assignee: LG CHEM, LTD.Inventors: Ji-Young Hwang, Sung-Joon Min, In-Seok Hwang, Dong-Wook Lee, Sang-Ki Chun