Patents by Inventor Sang Wook Jung
Sang Wook Jung 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: 20240132375Abstract: A positive electrode active material for a lithium secondary battery has secondary micro particles having an average particle size (D50) of 1 to 10 ?m formed by agglomeration of primary macro particles having an average particle size (D50) of 0.5 to 3 ?m and a lithium-M oxide coating layer on all or part of a surface, wherein M is at least one selected from the group consisting of boron, cobalt, manganese and magnesium. The secondary macro particles have an average particle size (D50) of 5 to 20 ?m formed by agglomeration of primary micro particles having a smaller average particle size (D50) than the primary macro particles. The primary macro particles and the primary micro particles are represented by LiaNi1?b?c?dCobMncQdO2+?, wherein 1.0?a?1.5, 0<b<0.2, 0<c<0.2, 0?d?0.1, 0<b+c+d?0.2, ?0.1???1.0, and Q is at least one type of metal selected from the group consisting of Al, Mg, V, Ti and Zr.Type: ApplicationFiled: January 14, 2022Publication date: April 25, 2024Applicant: LG Energy Solution, Ltd.Inventors: Eun-Sol Lho, Joong-Yeop Do, Kang-Joon Park, Gi-Beom Han, Min Kwak, Sang-Min Park, Dae-Jin Lee, Sang-Wook Lee, Wang-Mo Jung
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Publication number: 20240121989Abstract: A display device includes: a first pixel electrode disposed in a first emission area, on a substrate; an insulating layer covering edges of the first pixel electrode; a first light-emitting layer disposed on the first pixel electrode and the insulating layer; a first common electrode disposed on the first light-emitting layer; banks disposed on the insulating layer and surrounding the first emission area; and a first organic pattern surrounding the first emission area, disposed on the banks, and including the same material as the first light-emitting layer. Side surfaces of each of the banks are spaced apart from side surfaces of the insulating layer.Type: ApplicationFiled: August 3, 2023Publication date: April 11, 2024Inventors: Da Woon JUNG, Su Bin BAE, Tae Wook KANG, Sang Gab KIM, Yun Jong YEO, Yu Gwang JEONG
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Publication number: 20240120616Abstract: A secondary battery includes an electrode assembly having a positive electrode provided with a positive electrode tab, a separator, and a negative electrode provided with a negative electrode tab, the positive electrode, the separator, and the negative electrode being wound, the electrode assembly having a core part at a center thereof; a can configured to receive the electrode assembly therein, the negative electrode tab being connected to the can; a cap assembly coupled to an opening of the can, the positive electrode tab being connected to the cap assembly; and a reinforcing member provided on an end of the separator exposed beyond the positive electrode or the negative electrode to prevent heat of the positive electrode tab or the negative electrode tab from being transferred to the separator.Type: ApplicationFiled: April 19, 2022Publication date: April 11, 2024Applicant: LG ENERGY SOLUTION, LTD.Inventors: Soon Kwan KWON, Su Taek JUNG, Seok Hoon JANG, Hyeok JEONG, Sang Ho BAE, Byeong Kyu LEE, Seong Won CHOI, Min Wook KIM, Yong Jun LEE
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Publication number: 20240120194Abstract: A wafer processing system includes an optical apparatus including a beam splitter configured to receive a laser beam and to split the laser beam into a first beam in a first state of linear polarization and a second beam in a second state of linear polarization; and a beam delayer configured to delay the second beam so that a pulse of the second beam has a delay time with respect to a pulse of the first beam.Type: ApplicationFiled: October 6, 2023Publication date: April 11, 2024Inventors: Sang Min LEE, Sang Woo BAE, Sung-Wook JUNG
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Publication number: 20240120362Abstract: Disclosed are a backside illuminated image sensor and a method of manufacturing the same. More particularly, a backside illuminated image sensor and a method of manufacturing the backside illuminated image sensor include a light scattering portion in a substrate configured to converge a path of incident light to a photoelectric conversion structure, thereby preventing cross-talk between adjacent pixels and increasing light sensitivity.Type: ApplicationFiled: March 21, 2023Publication date: April 11, 2024Inventors: Sang Won YUN, Ju Hwan JUNG, Tae Wook KANG
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Publication number: 20240113149Abstract: Disclosed are a backside illuminated image sensor and a method of manufacturing the same. More particularly, a backside illuminated image sensor and a method of manufacturing the backside illuminated image sensor include a plurality of sequential layers have different refractive indexes to extend a path of incident light passing through a lens, thereby increasing sensitivity.Type: ApplicationFiled: March 27, 2023Publication date: April 4, 2024Inventors: Chang Hun HAN, Ju Hwan JUNG, Sang Won YUN, Tae Wook KANG
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Patent number: 11950383Abstract: A display apparatus according to a concept of the disclosure includes: a display panel configured to display an image in a front direction; a top chassis positioned in a front direction of the display panel; a bottom chassis positioned in a rear direction of the display panel; a rear cover covering a rear side of the bottom chassis; and a stand member being accommodatable in the rear cover and selectively coupled with a rear surface of the rear cover, wherein the rear cover includes an accommodating portion in which the stand member is accommodated and a coupling portion coupled with the stand member, and the stand member includes an inserting protrusion which is inserted into the accommodating portion and the coupling portion.Type: GrantFiled: August 27, 2019Date of Patent: April 2, 2024Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Hee-Bong Kim, Dong Wook Kim, Ji-Gwang Kim, Tae-Hun Kim, Yong Gu Do, Jeong Woo Park, Gil Jae Lee, Sang Young Lee, Pil Kwon Jung, Su-An Choi
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Publication number: 20240105934Abstract: A positive electrode active material for a lithium secondary battery has a mixture of microparticles having a predetermined average particle size (D50) and macroparticles having a larger average particle size (D50) than the microparticles. The microparticles have the average particle size (D50) of 1 to 10 ?m and are at least one selected from the group consisting of particles having a carbon material coating layer on all or part of a surface of primary macroparticles having an average particle size (D50) of 1 ?m or more, particles having a carbon material coating layer on all or part of a surface of secondary particles formed by agglomeration of the primary macroparticles, and a mixture thereof. The macroparticles are secondary particles having an average particle size (D50) of 5 to 20 ?m formed by agglomeration of primary microparticles having a smaller average particle size (D50) than the primary macroparticles.Type: ApplicationFiled: June 9, 2022Publication date: March 28, 2024Applicant: LG Energy Solution, Ltd.Inventors: Gi-Beom Han, Jong-Woo Kim, Eun-Sol Lho, Kang-Joon Park, Min Kwak, Seul-Ki Kim, Hyeong-Il Kim, Sang-Min Park, Sang-Wook Lee, Wang-Mo Jung
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Patent number: 11938239Abstract: A sterilizing apparatus is disclosed. A sterilizing apparatus according to one embodiment comprises: a cover main body unit having an accommodation space formed therein so as to accommodate a device to be sterilized, wherein the accommodation space is open toward a bottom surface on which the device to be sterilized is disposed; an ultraviolet light emitting diode provided on a surface facing the bottom surface of the cover main body unit, and turned on so as to emit ultraviolet rays toward the accommodation space; a power supply unit for supplying power to the ultraviolet light emitting diode so as to turn on the ultraviolet light emitting diode; and a control unit for controlling an operation of the power supply unit.Type: GrantFiled: April 28, 2021Date of Patent: March 26, 2024Assignee: SEOUL VIOSYS CO., LTD.Inventors: Jong Rack Kim, Hee Cheul Jung, Sang Wook Jung, Hee Ho Bae, Seong Heon Kim
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Publication number: 20240097157Abstract: A hydrogen supply system for fuel cells and a method of controlling the same include a hydrogen supplier connected to a hydrogen provider and configured to receive hydrogen from the hydrogen provider through a supply valve, a supply line, a discharge line, a discharge valve provided on the hydrogen supplier to discharge by-products, collected in the hydrogen supplier, to the outside thereof, and a controller electrically connected to the supply valve and configured to set a basic duty of the supply valve based on a basic control map, to set a compensation duty of the supply valve depending on feedback control, and to set a final duty of the supply valve through the basic duty and the compensation duty.Type: ApplicationFiled: April 17, 2023Publication date: March 21, 2024Applicants: Hyundai Motor Company, Kia CorporationInventors: Sang Wook HAN, Jae Won JUNG
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Publication number: 20240079554Abstract: An electrode includes an electrode active material, wherein the electrode active material layer includes an electrode active material, polyvinylidene fluoride, and a conductive agent, wherein the conductive agent includes a carbon nanotube structure in which 2 to 5,000 single-walled carbon nanotube units are bonded to each other, and the carbon nanotube structure is included in an amount of 0.01 wt % to 0.5 wt % in the electrode active material layer. A secondary battery including the same, and a method of preparing the electrode are also provided.Type: ApplicationFiled: October 18, 2023Publication date: March 7, 2024Applicant: LG Energy Solution, Ltd.Inventors: Seul Ki Kim, Tae Gon Kim, Je Young Kim, Wang Mo Jung, Jung Woo Yoo, Sang Wook Lee
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Patent number: 11916233Abstract: A positive electrode active material for a secondary battery which includes a nickel-based lithium composite transition metal oxide including nickel (Ni), wherein the lithium composite transition metal oxide satisfies Equation 1 and Equation 2 below 80 nm?crystallite sizeFWHM?150 nm??[Equation 1] ?size(|crystallite sizeIB?crystallite sizeFWHM|)?20??[Equation 2] wherein, in Equation 1 and Equation 2, crystallite sizeFWHM is a crystallite size obtained by calculating from X-ray diffraction (XRD) data using a full width at half maximum (FWHM) method, and crystallite sizeIB is a crystallite size obtained by calculating from XRD data using an integral breadth (IB) method.Type: GrantFiled: January 31, 2020Date of Patent: February 27, 2024Assignee: LG Energy Solution, Ltd.Inventors: So Ra Baek, Eun Sol Lho, Wang Mo Jung, Sang Wook Lee, Eun Jo
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Publication number: 20230390437Abstract: A lighting device including at least one first light source configured to emit a visible light through a first light emitting surface, at least one second light source spaced apart from the first light source and configured to emit light having a wavelength for sterilization through a second light emitting surface, and a housing having a bottom portion, on which the first and second light sources are disposed. The housing can include at least one sidewall portion connected to the bottom portion to enclose the first light source and the second light source in one common area, in which the first and second light emitting surfaces face substantially the same direction, and both the first light emitting surface and the second light emitting surface can be disposed at a different elevation from the bottom portion of the housing.Type: ApplicationFiled: August 22, 2023Publication date: December 7, 2023Inventors: Jae Young CHOI, Kyu Won HAN, Seong Tae JANG, Sang Wook JUNG, Woong Ki JEONG
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Patent number: 11766492Abstract: A lighting device including at least one first light source configured to emit a visible light through a first light emitting surface, at least one second light source spaced apart from the first light source and configured to emit light having a wavelength for sterilization through a second light emitting surface, and a hosing having a bottom portion, on which the first and second light sources are disposed, and at least one sidewall portion connected to the bottom portion to enclose the first light source and the second light source in one common area, in which the first and second light emitting surfaces face substantially the same direction, and the first light emitting surface and the second light emitting surface are disposed at a different elevation from the bottom portion of the housing.Type: GrantFiled: August 5, 2022Date of Patent: September 26, 2023Assignee: Seoul Viosys Co., Ltd.Inventors: Jae Young Choi, Kyu Won Han, Seong Tae Jang, Sang Wook Jung, Woong Ki Jeong
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Publication number: 20220370661Abstract: A lighting device including at least one first light source configured to emit a visible light through a first light emitting surface, at least one second light source spaced apart from the first light source and configured to emit light having a wavelength for sterilization through a second light emitting surface, and a hosing having a bottom portion, on which the first and second light sources are disposed, and at least one sidewall portion connected to the bottom portion to enclose the first light source and the second light source in one common area, in which the first and second light emitting surfaces face substantially the same direction, and the first light emitting surface and the second light emitting surface are disposed at a different elevation from the bottom portion of the housing.Type: ApplicationFiled: August 5, 2022Publication date: November 24, 2022Inventors: Jae Young CHOI, Kyu Won HAN, Seong Tae JANG, Sang Wook JUNG, Woong Ki JEONG
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Patent number: 11471546Abstract: A lighting device including at least one first light source emitting a visible light, at least one second light source spaced apart from the first light source and emitting a light having a wavelength for sterilization, and a housing, in which the first light source and the second light source are disposed, in which the first light source is disposed outside an area having an angle corresponding to about 50% of a maximum amount of light emitted from the second light source based on a line extending from a center of the second light source along a direction substantially perpendicular to a light emitting surface of the second light source.Type: GrantFiled: July 20, 2018Date of Patent: October 18, 2022Assignee: Seoul Viosys Co., Ltd.Inventors: Jae Young Choi, Kyu Won Han, Seong Tae Jang, Sang Wook Jung, Woong Ki Jeong
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Publication number: 20220226532Abstract: An air purifier including a body including a suction port and a discharge port, and having an inner space through which air is configured to flow from the suction port to the discharge port, a fan disposed in the inner space of the body and having a side surface separated from an inner wall of the body, a light source module including at least one UV light source disposed in the inner space of the body, a power controller mounted on the inner wall of the body, at least one filter disposed in the inner space of the body, a filter replacement region formed at the body to detachably couple the at least one filter to an interior of the body, a door detachably mounted on the body to expose the filter replacement region and including a door guide member having a groove.Type: ApplicationFiled: February 28, 2022Publication date: July 21, 2022Inventors: Woong Ki JEONG, Sang Wook JUNG, Jong Rack KIM, Si Ho YU, Hee Cheul JUNG, Byung Chui JOO
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Patent number: 11331397Abstract: The present disclosure relates to a light emitting device. The light emitting device includes: a device housing having a structure with an open bottom; and a sterilization module installed in the device housing and emitting ultraviolet light for sterilization. Here, the sterilization module emits the ultraviolet light for sterilization to the open bottom of the device housing.Type: GrantFiled: December 9, 2019Date of Patent: May 17, 2022Assignee: SEOUL VIOSYS CO., LTD.Inventors: Sang Wook Jung, Hee Ho Bae
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Patent number: 11260143Abstract: An air purifier including a body including a suction port and a discharge port disposed on opposing surfaces thereof, and having an inner space through which air flows from the suction port to the discharge port, a fan disposed in the inner space and having a side surface separated from an inner wall of the body, at least one light source module disposed in the inner space to emit UV light, a power controller mounted on the inner wall and connected to a power source to supply electric power to the light source module, a cover mounted on the inner wall to cover the power controller, and at least one filter disposed in the inner space of the body, in which the cover includes a tilted air flow guide facet to guide tilted to allow air suctioned through the suction port toward the filter.Type: GrantFiled: November 20, 2017Date of Patent: March 1, 2022Assignee: Seoul Viosys Co., Ltd.Inventors: Woong Ki Jeong, Sang Wook Jung, Jong Rack Kim, Si Ho Yu, Hee Cheul Jung, Byung Chul Joo
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Publication number: 20210244838Abstract: A sterilizing apparatus is disclosed. A sterilizing apparatus according to one embodiment comprises: a cover main body unit having an accommodation space formed therein so as to accommodate a device to be sterilized, wherein the accommodation space is open toward a bottom surface on which the device to be sterilized is disposed; an ultraviolet light emitting diode provided on a surface facing the bottom surface of the cover main body unit, and turned on so as to emit ultraviolet rays toward the accommodation space; a power supply unit for supplying power to the ultraviolet light emitting diode so as to turn on the ultraviolet light emitting diode; and a control unit for controlling an operation of the power supply unit.Type: ApplicationFiled: April 28, 2021Publication date: August 12, 2021Inventors: Jong Rack KIM, Hee Cheul JUNG, Sang Wook JUNG, Hee Ho BAE, Seong Heon KIM