Patents by Inventor Young-Shin Lee
Young-Shin Lee 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: 20240243261Abstract: A negative active material for a rechargeable lithium battery, the negative active material including a core having silicon and a first carbon nanotube, an amorphous carbon coating layer surrounding the core, and a second carbon nanotube adhered to the amorphous carbon coating layer.Type: ApplicationFiled: November 1, 2023Publication date: July 18, 2024Inventors: Eunji KANG, Young-Min KIM, Sunil PARK, Jongmin WON, Doori OH, Dae-Hyeok LEE, Changsu SHIN
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Patent number: 11880112Abstract: An optical element and a method for using thereof are provided. The present application provides an optical element that may provide various modes, and has excellent durability, and the like.Type: GrantFiled: February 20, 2020Date of Patent: January 23, 2024Inventors: Ji Hoon Park, Young Shin Lee, Byoung Kun Jeon
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Patent number: 11719981Abstract: An optical device is provided in the present application. The present application provides an optical device that may prevent defects such as short circuits even when an external power source has been connected in an encapsulated structure.Type: GrantFiled: January 14, 2020Date of Patent: August 8, 2023Inventors: Ji Hoon Park, Young Shin Lee
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Patent number: 11635650Abstract: An optical device is disclosed herein. In some embodiments, an optical device includes a first base film and a second base film, a light modulation layer existing between the first and second base films, electrode layers formed on surfaces of the first and second base films that face the light modulation layer, wherein each electrode layer comprises a first region capable of applying an electric field to the light modulation layer, and a second region connecting the electrode layer to an external power source, wherein the second region on the first base film and the second region on the second base film face each other, and an insulating layer disposed between the facing second regions of the first and second base films. The optical device is capable of preventing defects such as short circuits even when an external power source has been connected in an encapsulated structure.Type: GrantFiled: January 14, 2020Date of Patent: April 25, 2023Inventors: Ji Hoon Park, Young Shin Lee, Moon Soo Park
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Patent number: 11630354Abstract: An optical device is provided in the present application. The present application provides an optical device that may prevent defects such as short circuits even when an external power source has been connected in an encapsulated structure.Type: GrantFiled: January 14, 2020Date of Patent: April 18, 2023Inventors: Ji Hoon Park, Young Shin Lee, Byoung Kun Jeon
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Patent number: 11487179Abstract: The present application relates to an optical device. The present application provides an optical device capable of varying transmittance, and such an optical device can be used for various applications such as eyewear, for example, sunglasses or AR (augmented reality) or VR (virtual reality) eyewear, an outer wall of a building or a sunroof for a vehicle.Type: GrantFiled: April 25, 2018Date of Patent: November 1, 2022Inventors: Ji Hoon Park, Hye Min Yu, Moon Soo Park, Young Shin Lee
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Patent number: 11448934Abstract: An optical device is provided in the present application. The present application provides an optical device capable of varying transmittance, and such optical device can be used for various applications, such as eyewear, for example, sunglasses or AR (augmented reality) or VR (virtual reality) eyewear, an outer wall of a building or a sunroof for a vehicle.Type: GrantFiled: March 27, 2019Date of Patent: September 20, 2022Inventors: Nam Hun Kim, Seong Min Lee, Byoung Kun Jeon, Su Young Ryu, Jung Woon Kim, Young Shin Lee
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Patent number: 11435615Abstract: An optical device that can be used for various applications including eyewears, such as sunglasses or AR (augmented reality) or VR (virtual reality) eyewear, an outer wall of a building or a sunroof for a vehicle, and the like is provided. The optical device includes first and second outer substrates disposed to face each other, an active liquid crystal film layer, and a step forming layer. The active liquid crystal film layer and the step forming layer are encapsulated by an encapsulating agent between the first and second outer substrate. The active liquid crystal film layer comprises a first region that is pressed by the step forming layer and a second region that is not pressed by the step forming layer. The defects caused by an excessively large or small amount of light-modulating material or heat shrinkage of the light-modulating material, and the like are prevented in the optical device.Type: GrantFiled: March 26, 2020Date of Patent: September 6, 2022Inventors: Seong Min Lee, Byoung Kun Jeon, Nam Hun Kim, Jung Woon Kim, Young Shin Lee
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Patent number: 11429005Abstract: An optical device is provided in the present application. The optical device of the present application has varying transmittance and improved appearance defects, such as reduction of wrinkles that may occur by lamination of a liquid crystal element and an outer substrate. Such optical device can be used for various applications such as eyewear, for example, sunglasses or AR (augmented reality) or VR (virtual reality) eyewear, an outer wall of a building or a sunroof for a vehicle.Type: GrantFiled: July 18, 2019Date of Patent: August 30, 2022Inventors: Nam Hun Kim, Byoung Kun Jeon, Doo Young Huh, Su Young Ryu, Seong Min Lee, Jung Woon Kim, Young Shin Lee
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Patent number: 11372290Abstract: An optical device includes a first outer substrate; a second outer substrate disposed opposite to the first outer substrate; and an active liquid crystal film or a polarizer, wherein the active liquid crystal film or the polarizer is encapsulated by an encapsulating agent between the first and second outer substrates and wherein a shrinkable film adjacent to any one of the first and second outer substrates is further included. The optical device is capable of varying transmittance. The optical device can be used for various applications such as an eyewear, for example, sunglasses or AR (augmented reality) or VR (virtual reality) eyewears, an outer wall of a building or a sunroof for a vehicle.Type: GrantFiled: September 3, 2019Date of Patent: June 28, 2022Inventors: Jung Woon Kim, Byoung Kun Jeon, Beom Jin Lee, In Ju Mun, Su Young Ryu, Seong Min Lee, Young Shin Lee, Nam Hun Kim
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Publication number: 20220146878Abstract: An optical device that can be used for various applications including eyewears, such as sunglasses or AR (augmented reality) or VR (virtual reality) eyewear, an outer wall of a building or a sunroof for a vehicle, and the like is provided. The optical device includes first and second outer substrates disposed to face each other, an active liquid crystal film layer, and a step forming layer. The active liquid crystal film layer and the step forming layer are encapsulated by an encapsulating agent between the first and second outer substrate. The active liquid crystal film layer comprises a first region that is pressed by the step forming layer and a second region that is not pressed by the step forming layer. The defects caused by an excessively large or small amount of light-modulating material or heat shrinkage of the light-modulating material, and the like are prevented in the optical device.Type: ApplicationFiled: March 26, 2020Publication date: May 12, 2022Applicant: LG Chem, Ltd.Inventors: Seong Min Lee, Byoung Kun Jeon, Nam Hun Kim, Jung Woon Kim, Young Shin Lee
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Publication number: 20220128868Abstract: An optical device is provided in the present application. The present application provides an optical device that may prevent defects such as short circuits even when an external power source has been connected in an encapsulated structure.Type: ApplicationFiled: January 14, 2020Publication date: April 28, 2022Applicant: LG Chem, Ltd.Inventors: Ji Hoon Park, Young Shin Lee
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Publication number: 20220121068Abstract: An optical device is provided in the present application. The present application provides an optical device that may prevent defects such as short circuits even when an external power source has been connected in an encapsulated structure.Type: ApplicationFiled: January 14, 2020Publication date: April 21, 2022Applicant: LG Chem, Ltd.Inventors: Ji Hoon Park, Young Shin Lee, Byoung Kun Jeon
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Publication number: 20220100026Abstract: An optical device is disclosed herein. In some embodiments, an optical device includes a first base film and a second base film, a light modulation layer existing between the first and second base films, electrode layers formed on surfaces of the first and second base films that face the light modulation layer, wherein each electrode layer comprises a first region capable of applying an electric field to the light modulation layer, and a second region connecting the electrode layer to an external power source, wherein the second region on the first base film and the second region on the second base film face each other, and an insulating layer disposed between the facing second regions of the first and second base films. The optical device is capable of preventing defects such as short circuits even when an external power source has been connected in an encapsulated structure.Type: ApplicationFiled: January 14, 2020Publication date: March 31, 2022Applicant: LG Chem, Ltd.Inventors: Ji Hoon Park, Young Shin Lee, Moon Soo Park
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Publication number: 20220011619Abstract: An optical element and a method for using thereof are provided. The present application provides an optical element that may provide various modes, and has excellent durability, and the like.Type: ApplicationFiled: February 20, 2020Publication date: January 13, 2022Applicant: LG Chem, Ltd.Inventors: Ji Hoon Park, Young Shin Lee, Byoung Kun Jeon
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Publication number: 20210325706Abstract: An optical device includes a first outer substrate; a second outer substrate disposed opposite to the first outer substrate; and an active liquid crystal film or a polarizer, wherein the active liquid crystal film or the polarizer is encapsulated by an encapsulating agent between the first and second outer substrates and wherein a shrinkable film adjacent to any one of the first and second outer substrates is further included. The optical device is capable of varying transmittance. The optical device can be used for various applications such as an eyewear, for example, sunglasses or AR (augmented reality) or VR (virtual reality) eyewears, an outer wall of a building or a sunroof for a vehicle.Type: ApplicationFiled: September 3, 2019Publication date: October 21, 2021Applicant: LG Chem, Ltd.Inventors: Jung Woon KIM, Byoung Kun JEON, Beom Jin LEE, In Ju MUN, Su Young RYU, Seong Min LEE, Young Shin LEE, Nam Hun KIM
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Patent number: 11099420Abstract: An optical device is disclose herein. In some embodiments, an optical device includes an active liquid crystal element film, wherein the active liquid crystal element film comprises two base films, an active liquid crystal layer present between the two base films, wherein the active liquid crystal layer contains a liquid crystal compound and is capable of switching between a first oriented state and a second oriented state, and a polarizing coating layer, wherein the polarizing coating layer is present between one of the two base films and the active liquid crystal layer. The optical device is capable of varying transmittance, and can be used for various applications such as sunglasses, AR (augmented reality) or VR (virtual reality) eyewear, an outer wall of a building or a sunroof for a vehicle.Type: GrantFiled: April 25, 2018Date of Patent: August 24, 2021Inventors: Ji Hoon Park, Byoung Kun Jeon, Moon Soo Park, Jun Won Chang, Dae Hee Lee, Hye Min Yu, Young Shin Lee, Byung Sun Lee
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Publication number: 20210223602Abstract: An optical device is provided in the present application. The optical device of the present application has varying transmittance and improved appearance defects, such as reduction of wrinkles that may occur by lamination of a liquid crystal element and an outer substrate. Such optical device can be used for various applications such as eyewear, for example, sunglasses or AR (augmented reality) or VR (virtual reality) eyewear, an outer wall of a building or a sunroof for a vehicle.Type: ApplicationFiled: July 18, 2019Publication date: July 22, 2021Applicant: LG Chem, Ltd.Inventors: Nam Hun Kim, Byoung Kun Jeon, Doo Young Huh, Su Young Ryu, Seong Min Lee, Jung Woon Kim, Young Shin Lee
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Patent number: 10996387Abstract: An optical device and method of manufacturing the same are disclosed herein. In some embodiments, an optical device includes a first outer substrate and a second outer substrate disposed opposite to each other, a liquid crystal element disposed between the first and second outer substrates; and a plurality of adhesive films encapsulating the liquid crystal element, wherein the plurality of adhesive films comprises a curable adhesive film and a non-curable adhesive film. The optical device is capable of varying transmittance and reducing light loss while improving appearance defects. Such an optical device can be used for various applications such as eyewear, for example, sunglasses or augmented reality (AR) or virtual reality (VR) eyewear, an outer wall of a building or a sunroof for a vehicle.Type: GrantFiled: May 31, 2019Date of Patent: May 4, 2021Inventors: Seong Min Lee, Young Shin Lee, Byoung Kun Jeon, In Ju Mun
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Publication number: 20210055463Abstract: An optical device and method of manufacturing the same are disclosed herein. In some embodiments, an optical device includes a first outer substrate and a second outer substrate disposed opposite to each other, a liquid crystal element disposed between the first and second outer substrates; and a plurality of adhesive films encapsulating the liquid crystal element, wherein the plurality of adhesive films comprises a curable adhesive film and a non-curable adhesive film. The optical device is capable of varying transmittance and reducing light loss while improving appearance defects. Such an optical device can be used for various applications such as eyewear, for example, sunglasses or augmented reality (AR) or virtual reality (VR) eyewear, an outer wall of a building or a sunroof for a vehicle.Type: ApplicationFiled: May 31, 2019Publication date: February 25, 2021Applicant: LG Chem, Ltd.Inventors: Seong Min Lee, Young Shin Lee, Byoung Kun Jeon, In Ju Mun