Patents by Inventor Jung Sun You
Jung Sun You 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: 11600711Abstract: Provided are a semiconductor device and a method for fabricating the same. The semiconductor device includes an active fin protruding upwardly from a substrate and extending in a first direction and a gate structure extending in a second direction intersecting to cross the active fin, where a first width of a lower portion of the gate structure that contacts the active fin is greater than a second width of the lower portion of the gate structure that is spaced apart from the active fin.Type: GrantFiled: May 25, 2021Date of Patent: March 7, 2023Assignee: Samsung Electronics Co., Ltd.Inventors: Jung-Gun You, Myung-Yoon Um, Young-Joon Park, Jeong-Hyo Lee, Ji-Yong Ha, Jun-sun Hwang
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Publication number: 20220390779Abstract: A method for manufacturing a light modulation device is provided. The light modulation device is capable of removing defects such as orientation irregularities. The light modulation device further improves the orientation state in the light modulation device that adjusts orientation of a liquid crystal compound or the like with a liquid crystal alignment film and a pressure-sensitive adhesive layer or adhesive layer.Type: ApplicationFiled: November 4, 2020Publication date: December 8, 2022Applicant: LG Chem, Ltd.Inventors: Jung Sun You, Dong Hyun Oh, Cheol Min Yun, Jin Hong Kim, Jung Woon Kim, Min Jun Gim
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Patent number: 11506915Abstract: A light modulation device is disclosed herein. In some embodiments, a light modulation device includes a first polymer film substrate, a second polymer film substrate, an active liquid crystal layer disposed between the first and second polymer film substrates, wherein the active liquid crystal layer is capable of switching between a first orientation state and a second orientation state different from the first orientation state under an applied voltage, the first and second polymer film substrates have an in-plane retardation of 4,000 nm or more for light having a wavelength of 550 nm, a ratio of an elongation (E1) in a first direction to an elongation (E2) in a second direction perpendicular to the first direction of 3 or more, and wherein an angle formed by the first directions of the first and second polymer film substrates is in a range of 0 degrees to 10 degrees.Type: GrantFiled: April 30, 2018Date of Patent: November 22, 2022Inventors: Min Jun Gim, Dong Hyun Oh, Jung Sun You, Eun Jung Lim, Jin Hong Kim, Hyun Jun Lee, Nam Hun Kim
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Patent number: 11493807Abstract: A substrate on which a specific type spacer is formed, a substrate comprising an alignment film formed on the spacer, and an optical device using such a substrate are disclosed herein. By controlling the shape of the spacer formed on the substrate, even when the alignment film is formed on the top of the spacer and the orientation treatment is performed, the uniform orientation treatment can be performed without any influence by the step or the like of the spacer, whereby a substrate or the like capable of providing a device having excellent optical performance can be provided.Type: GrantFiled: December 20, 2019Date of Patent: November 8, 2022Inventors: Han Min Seo, Ji Young Hwang, Cheol Ock Song, Nam Seok Bae, Seung Heon Lee, Dong Hyun Oh, Jung Sun You
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Publication number: 20220350185Abstract: A light modulation device is disclosed herein. The light modulation device can properly maintain a cell gap by controlling the shape and arrangement of spacers and the like, and is applicable for various applications by effectively controlling omnidirectional light leakage in a black mode, while having excellent optical properties, including transmittance-variable characteristics and haze characteristics, and the like.Type: ApplicationFiled: October 8, 2020Publication date: November 3, 2022Applicant: LG Chem, Ltd.Inventors: Min Jun Gim, Jung Sun You, Cheol Ock Song, Dong Hyun Oh, Nam Gyu Kim, Jin Hong Kim, Jung Woon Kim
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Patent number: 11467452Abstract: A substrate on which spacers are disposed in a certain arrangement state and an optical device using such a substrate are provided. A plurality of spacers are irregularly disposed on a substrate depending on a predetermined rule, so that overall uniform optical characteristics can be ensured without causing a so-called moire phenomenon or the like, while the spacers maintain the uniform cell gap in the construction of the optical device.Type: GrantFiled: July 27, 2018Date of Patent: October 11, 2022Inventors: Han Min Seo, Ji Young Hwang, Hyeon Choi, Seung Heon Lee, Dong Hyun Oh, Jung Sun You, Cheol Ock Song, Nam Seok Bae
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Publication number: 20220299690Abstract: A light modulation device is disclosed herein. In some embodiments, a light modulation device includes a first polymer film substrate having a first surface and a second surface, an adhesive layer or pressure-sensitive adhesive layer disposed on the first surface of the first polymer film substrate, a second polymer film substrate having a first surface and a second surface, a liquid crystal alignment film disposed on the first surface of the second polymer film substrate, a ?C plate; and a light modulation layer containing a liquid crystal compound. The light modulation device has excellent optical properties including transmittance-variable characteristics through characteristic control and proper arrangement of a compensation film, and being applicable to various uses by controlling inclination angle light leakage in a black mode.Type: ApplicationFiled: October 22, 2020Publication date: September 22, 2022Applicant: LG Chem, Ltd.Inventors: Min Jun Gim, Sergey Belyaev, Jung Sun You, Cheol Ock Song, Dong Hyun Oh, Cheol Min Yun, Jin Hong Kim, Jung Woon Kim
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Patent number: 11428994Abstract: A substrate having a spacer formed thereon, a method of making the same, and an optical device including the same are disclosed herein. In one embodiment, a substrate includes a base layer, and a black column spacer formed on the base layer, wherein the black column spacer has an optical density in a range of 1.1 to 4, and wherein the black column spacer having a curved portion, wherein a cross section of the curved portion having at least one region having curvature.Type: GrantFiled: January 24, 2020Date of Patent: August 30, 2022Inventors: Cheol Ock Song, Ji Young Hwang, Han Min Seo, Sung Eun Park, Nam Seok Bae, Seung Heon Lee, Jung Sun You
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Publication number: 20220234277Abstract: A substrate and a method for producing the same are disclosed herein. In some embodiments, a substrate includes a base layer, a black layer formed on the base layer, and column spacers formed on the black layer, wherein a loss rate of spacers measured by a peel test is 15% or less. The substrate can have excellent adhesiveness of the spacer to the base layer or the black layer and ensuring appropriate darkening properties. The method can effectively produce such a substrate without adverse effects such as occurrence of foreign materials without separate treatment such as heat treatment.Type: ApplicationFiled: April 19, 2022Publication date: July 28, 2022Applicant: LG Chem, Ltd.Inventors: Cheol Ock Song, Seung Heon Lee, Ji Young Hwang, Han Min Seo, Nam Seok Bae, Jin Woo Park, Jung Sun You
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Publication number: 20220187632Abstract: The present application relates to a polarization-variable element. The polarization-variable element of the present application has a fast response speed and excellent variable characteristics of polarization degree and transmittance. Such polarization-variable element may be applied to various applications including various architectural or vehicle materials requiring transmittance-variable characteristics, or eyewear such as goggles for augmented reality experience sports, sunglasses or helmets.Type: ApplicationFiled: April 16, 2020Publication date: June 16, 2022Applicant: LG Chem, Ltd.Inventors: Eun Jung Lim, Dong Hyun Oh, Jung Sun You, Jin Hong Kim, Hyun Jun Lee
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Patent number: 11347080Abstract: The present application relates to a light modulating device and an eyewear. The present application can provide a light modulation device having both excellent mechanical properties and optical properties by applying a polymer film that is also optically anisotropic and mechanically anisotropic to a substrate.Type: GrantFiled: April 30, 2018Date of Patent: May 31, 2022Inventors: Eun Jung Lim, Nam Hun Kim, Jung Sun You, Jin Hong Kim, Hyun Jun Lee, Min Jun Gim, Kyung Ki Hong, In Ju Mun, Dong Hyun Oh
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Patent number: 11338499Abstract: A substrate and a method for producing the same are disclosed herein. In some embodiments, a substrate includes a base layer, a black layer formed on the base layer, and column spacers formed on the black layer, wherein a loss rate of spacers measured by a peel test is 15% or less. The substrate can have excellent adhesiveness of the spacer to the base layer or the black layer and ensuring appropriate darkening properties. The method can effectively produce such a substrate without adverse effects such as occurrence of foreign materials without separate treatment such as heat treatment.Type: GrantFiled: February 3, 2020Date of Patent: May 24, 2022Inventors: Cheol Ock Song, Seung Heon Lee, Ji Young Hwang, Han Min Seo, Nam Seok Bae, Jin Woo Park, Jung Sun You
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Publication number: 20220137437Abstract: A light modulation element that can vary between a bright transparent mode and a dark scattering mode is provided. The light modulation element has a first light modulation layer and a second light modulation layer comprising nematic liquid crystals and a dichroic dye in a scattering mode when a voltage is applied. The first light modulation layer and the second light modulation layer are disposed to overlap each other. The light modulation element has an improved contrast ratio and haze-variable characteristics, without precipitation of dichroic dyes and an increase in power consumption.Type: ApplicationFiled: March 3, 2020Publication date: May 5, 2022Applicant: LG Chem, Ltd.Inventors: Min Jun Gim, Eun Jung Lim, Jung Sun You, Jin Hong Kim, Hyun Jun Lee, Dong Hyun Oh
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Patent number: 11314106Abstract: A light modulation device is disclosed herein. In some embodiments, a light modulation device includes a first polymer film substrate, a second polymer film substrate, an active liquid crystal layer disposed between the first and second polymer film substrates, wherein the active liquid crystal layer is capable of switching between a first orientation state and a second orientation state when a voltage is applied, and a polarizer, wherein each of the first and second polymer film substrates have in-plane retardation of 4,000 nm or more for light having a wavelength of 550 nm, a ratio of an elongation (E1) in a first direction to an elongation (E2) in a second direction perpendicular to the first direction of 3 or more, and wherein an angle formed by the first directions of the first and second polymer film substrates is in a range of 0 degrees to 10 degrees.Type: GrantFiled: April 30, 2018Date of Patent: April 26, 2022Inventors: Min Jun Gim, Eun Jung Lim, Jung Sun You, Dong Hyun Oh, Hyun Jun Lee, Nam Hun Kim
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Patent number: 11262600Abstract: The present application relates to a light modulation device and a use thereof. The present application can provide a light modulation device having both excellent mechanical properties and optical properties by applying a polymer film that is also optically anisotropic and mechanically anisotropic to a substrate.Type: GrantFiled: July 16, 2020Date of Patent: March 1, 2022Inventors: Hyun Jun Lee, Eun Jung Lim, Jung Sun You, Min Jun Gim, Dong Hyun Oh, Jin Hong Kim
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Patent number: 11226519Abstract: A light modulation element and the use thereof are provided. The light modulation element can suppress a surface waviness phenomenon upon surface reflection visual observation by improving surface waviness of a base film caused by a spacer. Such light modulation element can be applied to various flexible display devices to improve the quality of products.Type: GrantFiled: July 2, 2019Date of Patent: January 18, 2022Inventors: Jung Sun You, Dong Hyun Oh, Nam Gyu Kim, Eun Jung Lim
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Patent number: 11163197Abstract: A substrate having a spacer thereon and an optical device including the same are disclosed herein. In some embodiments, a substrate includes a base layer, a transparent column spacer formed on the base layer, and a black layer present between the transparent column spacer and the base layer. In some embodiments, an alignment film is present on the spacer.Type: GrantFiled: January 24, 2020Date of Patent: November 2, 2021Inventors: Nam Seok Bae, Seung Heon Lee, Song Ho Jang, Dong Hyun Oh, Jin Woo Park, Ji Young Hwang, Jung Sun You, Han Min Seo, Cheol Ock Song
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Patent number: 11137650Abstract: The present application relates to an optical element, a driving method of the optical element, a transmittance-variable device and a use thereof. In one example, the present application may provide a driving method suppressing a back-flow phenomenon caused by a bulk liquid crystal compound even when a cell gap of a liquid crystal layer becomes thick. The driving method may ensure excellent response speeds and driving characteristics.Type: GrantFiled: September 27, 2018Date of Patent: October 5, 2021Inventors: Eun Jung Lim, Dong Hyun Oh, Jung Sun You, Jin Hong Kim, Hyun Jun Lee, Nam Hun Kim, Min Jun Gim
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Patent number: 11099435Abstract: A transmittance-variable device is disclosed herein. In some embodiments, a transmittance-variable device includes first and second guest host layers, the first and second guest host layers are superposed, wherein each of the first and second guest host layers comprise a liquid crystal host and a dichroic dye guest, and wherein the device is capable of switching between a transparent mode and a black mode. The transmittance-variable device can exhibit high transmittance in the transparent state and a high shielding rate in the black state, and can exhibit a high contrast ratio even at the inclination angle, and exhibit excellent viewing angle symmetry in all directions. Such a transmittance-variable device can be applied to various applications including various architectural or automotive materials which need to adjust the transmittance, or eyewear such as goggles for augmented reality experience or sports, sunglasses or helmets.Type: GrantFiled: October 30, 2018Date of Patent: August 24, 2021Inventors: Eun Jung Lim, Sergey Belyaev, Dong Hyun Oh, Jung Sun You, Jin Hong Kim, Hyun Jun Lee, Min Jun Gim
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Publication number: 20210240012Abstract: A transmittance-variable device is provided in the present application. The present application provides a transmittance-variable device, which can be applied to various applications without causing problems such as a crosstalk phenomenon, a rainbow phenomenon or a mirroring phenomenon, while having excellent transmittance-variable characteristics.Type: ApplicationFiled: September 4, 2019Publication date: August 5, 2021Applicant: LG Chem, Ltd.Inventors: Eun Jung Lim, Sergey Belyaev, Min Jun Gim, Dong Hyun Oh, Jung Sun You, Nam Gyu Kim, Jin Hong Kim, Hyun Jun Lee