Patents by Inventor Joong Han
Joong Han 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: 11996559Abstract: A lithium complex oxide includes a mixture of first particles of n1 (n1>40) aggregated primary particles and second particles of n2 (n2?20) aggregated primary particles, the lithium complex oxide represented by Chemical Formula 1 and having FWHM (deg., 2?) of 104 peak in XRD, defined by a hexagonal lattice having R-3m space group, in a range of Formula 1: LiaNixCoyMnzM1-x-y-zO2,??[Chemical Formula 1] where M is selected from: B, Ba, Ce, Cr, F, Mg, Al, Cr, V, Ti, Fe, Zr, Zn, Si, Y, Nb, Ga, Sn, Mo, W, P, Sr, and any combination thereof, 0.9?a?1.3, 0.6?x?1.0, 0.0?y?=0.4, 0.0?z?0.4, and 0.0?1-x-y-z?0.4, ?0.025?FWHM(104)?{0.04+(xfirst particle?0.6)×0.25}?0.025,??[Formula 1] where FWHM(104) is represented by Formula 2, FWHM(104)={(FWHMChemical Formula 1 powder(104)?0.1×mass ratio of second particles)/mass ratio of first particles}?FWHMSi powder (220).Type: GrantFiled: February 23, 2023Date of Patent: May 28, 2024Assignee: ECOPRO BM CO., LTD.Inventors: Jung Han Lee, Seung Woo Choi, Moon Ho Choi, Jun Won Suh, Jin Kyeong Yun, Mi Hye Yun, Kwang Seok Choi, Joong Ho Bae, Jin Oh Son
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Publication number: 20240168307Abstract: Disclosed is a polarized light generating device based on an optical waveguide, which includes first to fourth input optical waveguides, respectively, for receiving input light from an outside, first to fifth optical splitters configured to receive at least one light and output the received at least one light as at least one light, and an optical converter configured to receive at least one light from the fifth optical splitter and convert the received light to generate polarized light. The polarized light generating device receives the input light through one of the first to fourth input optical waveguides, and generates a first polarized light, a second polarized light, a third polarized light, and a fourth polarized light. The first to fourth polarized lights belong to elements of two arbitrary two-dimensional mutually unbiased basis sets.Type: ApplicationFiled: November 21, 2023Publication date: May 23, 2024Applicant: Electronics and Telecommunications Research InstituteInventors: Kap Joong KIM, Chun Ju Youn, Young-Ho Ko, Minchul Kim, Seong Su Park, Kyongchun Lim, Byung-seok Choi, Joong-Seon Choe, Won Seok Han
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Publication number: 20240172495Abstract: A display device includes a first substrate on which a plurality of light-emitting elements are disposed; an optical film including an upper surface, a side surface and a lower surface, and disposed on one surface of the first substrate and; a second substrate bonded to another surface of the first substrate; a side surface line electrically connecting the first substrate and the second substrate with each other; a side surface sealing member covering the side surface line; and a conductive protective film covering the side surface sealing member and the optical film.Type: ApplicationFiled: October 25, 2023Publication date: May 23, 2024Applicant: LG DISPLAY CO., LTD.Inventors: Jisu Han, Won-Gyu JEONG, Joong-Ha LEE, Da-Young KIM
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Patent number: 11942635Abstract: The present invention relates to a positive electrode active material and a lithium secondary battery using a positive electrode containing the positive electrode active material. More particularly, the present invention relates to a positive electrode active material that is able to solve a problem of increased resistance according to an increase in Ni content by forming a charge transport channel in a lithium composite oxide and a lithium secondary battery using a positive electrode containing the positive electrode active material.Type: GrantFiled: September 28, 2020Date of Patent: March 26, 2024Assignee: ECOPRO BM CO., LTD.Inventors: Moon Ho Choi, Jun Won Suh, Jin Kyeong Yun, Jung Han Lee, Mi Hye Yun, Seung Woo Choi, Gwang Seok Choe, Ye Ri Jang, Joong Ho Bae
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Patent number: 11920856Abstract: A refrigerator includes a storage chamber having an opening; a drawer type door to open or close the opening; a display positioned at the drawer type door; a first connector provided at a sidewall of the storage chamber; a second connector provided at the drawer type door and being electrically connected to the display; a first frame coupled to an inner wall of the storage chamber, the first frame to cover the first connector; a second frame coupled to the drawer type door, the second frame to support a storage box; and a wire electrically connected between the first connector and the second connector. The first frame has a first accommodating part to accommodate one portion of the wire and the second frame has a second accommodating part to accommodate another portion of the wire.Type: GrantFiled: October 13, 2020Date of Patent: March 5, 2024Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Jae Myung Han, Jae Hoon Lim, Gi Joong Jeong, Woo Yeol Yoo, Jong Eun Chae, Sun keun Lee
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Publication number: 20230400245Abstract: The present invention relates to a refrigerator door having a vacuum insulation assembly and a method for manufacturing the same, including a first door body and a second door body coupled to each other to form the exterior of the door. A heat insulating space is formed between the first door body and the second door body, and the vacuum insulation assembly is installed in the heat insulating space. A sealed vacuum chamber is formed inside the vacuum insulation assembly, and the edge of the vacuum insulation assembly can be surrounded by a foam filled part. As such, the vacuum insulation assembly is installed inside the refrigerator door, and the vacuum insulation assembly has high insulation performance, and thus can replace the existing foam filled part, and therefore, the thickness of the refrigerator door can be reduced.Type: ApplicationFiled: November 1, 2021Publication date: December 14, 2023Applicant: LG ELECTRONICS INC.Inventors: JOONG HAN SON, JUNG HUN KIM, JUNG IL SHIN
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Patent number: 11307381Abstract: Provided is an optical device including an optics including at least two moving groups that are movable along an optical axis and share portions of driving regions; a plurality of actuators configured to move the at least two moving groups along the optical axis, respectively; and a control unit configured to control the positions of the at least two moving groups by operating the actuators, wherein the control unit moves the at least two moving groups independently, such that the position coordinates of the at least two moving groups in one integrated coordinates system do not coincide with each other.Type: GrantFiled: June 28, 2017Date of Patent: April 19, 2022Assignee: HANWHA TECHWIN CO., LTD.Inventors: Dae Bong Kim, Young Sang Kwon, Jae Goo Lee, Young Mi Kim, Hee Joong Han
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Patent number: 11228719Abstract: A method of controlling zoom of a lighting unit based on brightness of an image may include determining at least one of an angle of view of an optical unit and an optical zoom magnification of the optical unit configured to obtain an image by using an image sensor, determining a zoom adjustment range of a lighting unit based on at least one of the angle of view and the optical zoom magnification, and adjusting zoom of the lighting unit such that brightness of the image meets a preset condition within the zoom adjustment range, wherein a diffusion range of light from the lighting unit is adjusted through the zoom adjustment of the lighting unit.Type: GrantFiled: May 30, 2018Date of Patent: January 18, 2022Assignee: HANWHA TECHWIN CO., LTD.Inventors: Won Mo Koo, Hee Joong Han, Won Sin Lee, Jong In Park
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Patent number: 11183402Abstract: A laser annealing apparatus includes a laser oscillating structure, an oscillator, a beam expanding telescope, a first power meter, and a second power meter. The laser oscillating structure emits a first laser beam of a first wavelength and first beam cross-section to a substrate in a chamber including an optical window. The oscillator emits a second laser beam, of a second wavelength different from the first wavelength, to the substrate. The beam expanding telescope is on an optical path for the second laser beam and expands the second laser beam to a second beam cross-section. The first and second power meters measure energy of the second laser beam and a third laser beam, generated as the second laser beam is reflected by the substrate. The first beam cross-section and the second beam cross-section may be equal.Type: GrantFiled: October 27, 2017Date of Patent: November 23, 2021Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Joong-han Shin, Supakit Charnvanichborikarn, Bong-jin Kuh, Ki-chul Kim, Jae-hee Lee
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Publication number: 20200085538Abstract: The present invention relates to a maxillary teeth orthodontic device capable of correcting upper jaw molars and anterior teeth by moving the upper jaw molars and the anterior teeth in forward and backward directions. The maxillary teeth orthodontic device comprises: a body attached to the bottom surface of the gums of the upper jaw; a connection leg of which one end is connected and extended from the body; a molar fixing part connected to the other end of the connection leg and fitted into a molar; and a ring part connected to one side of the lower surface of the body, wherein the body is divided into a first body and a second body such that gaps are adjusted by allowing the first body and the second body to be spaced from each other or approach each other in the incisor direction and the airway direction of the upper jaw.Type: ApplicationFiled: December 19, 2017Publication date: March 19, 2020Inventor: Joong Han KIM
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Publication number: 20200026025Abstract: Provided is an optical device including an optics including at least two moving groups that are movable along an optical axis and share portions of driving regions; a plurality of actuators configured to move the at least two moving groups along the optical axis, respectively; and a control unit configured to control the positions of the at least two moving groups by operating the actuators, wherein the control unit moves the at least two moving groups independently, such that the position coordinates of the at least two moving groups in one integrated coordinates system do not coincide with each other.Type: ApplicationFiled: June 28, 2017Publication date: January 23, 2020Applicant: HANWHA TECHWIN CO., LTD.Inventors: Dae Bong KIM, Young Sang KWON, Jae Goo LEE, Young Mi KIM, Hee Joong HAN
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Publication number: 20190215431Abstract: A method of controlling zoom of a lighting unit based on brightness of an image may include determining at least one of an angle of view of an optical unit and an optical zoom magnification of the optical unit configured to obtain an image by using an image sensor, determining a zoom adjustment range of a lighting unit based on at least one of the angle of view and the optical zoom magnification, and adjusting zoom of the lighting unit such that brightness of the image meets a preset condition within the zoom adjustment range, wherein a diffusion range of light from the lighting unit is adjusted through the zoom adjustment of the lighting unit.Type: ApplicationFiled: May 30, 2018Publication date: July 11, 2019Applicant: Hanwha Techwin Co., Ltd.Inventors: Won Mo KOO, Hee Joong HAN, Won Sin LEE, Jong In PARK
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Patent number: 10336924Abstract: An pressure sensitive adhesive composition according to the present invention includes: an acrylic copolymer; a multifunctional acrylate-based compound; and a photoinitiator, in which the acrylic copolymer includes a repeating unit derived from an acrylate-based monomer having a Tg of ?20° C. or less and a repeating unit derived from an unsaturated carboxylic acid monomer, and the repeating unit derived from the unsaturated carboxylic acid monomer is included in an amount of 10 to 50 parts by weight based on the total 100 parts by weight of the acrylic copolymer.Type: GrantFiled: February 9, 2018Date of Patent: July 2, 2019Assignee: Dongwoo Fine-Chem Co., Ltd.Inventors: Joong Han Kum, Jeong Ho Yoo, Kyoung Moon Jung, Bong Jin Choi, Han Young Choi
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Patent number: 10191329Abstract: A reflective light control film includes a transparent film having a plurality of protruded line patterns formed on one surface of the base film, each of the protruded line patterns including a first side having an inclination angle with respect to the one surface of the base film and a second side, and a light reflection layer provided on the first side. The reflective light control film has excellent visibility for the screen even if it is not provided with a separate shade, and the screen is prevented from being reflected on the windshield.Type: GrantFiled: June 29, 2017Date of Patent: January 29, 2019Assignee: DONGWOO FINE-CHEM CO., LTD.Inventors: Bong Jin Choi, Gi Hwan Ahn, Joong Han Kum, Jeung Hoon On, Han Young Choi
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Publication number: 20180308725Abstract: A laser annealing apparatus includes a laser oscillating structure, an oscillator, a beam expanding telescope, a first power meter, and a second power meter. The laser oscillating structure emits a first laser beam of a first wavelength and first beam cross-section to a substrate in a chamber including an optical window. The oscillator emits a second laser beam, of a second wavelength different from the first wavelength, to the substrate. The beam expanding telescope is on an optical path for the second laser beam and expands the second laser beam to a second beam cross-section. The first and second power meters measure energy of the second laser beam and a third laser beam, generated as the second laser beam is reflected by the substrate. The first beam cross-section and the second beam cross-section may be equal.Type: ApplicationFiled: October 27, 2017Publication date: October 25, 2018Inventors: Joong-han SHIN, Supakit CHARNVANICHBORIKARN, Bong-jin KUH, Ki-chul KIM, Jae-hee LEE
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Publication number: 20180223138Abstract: An pressure sensitive adhesive composition according to the present invention includes: an acrylic copolymer; a multifunctional acrylate-based compound; and a photoinitiator, in which the acrylic copolymer includes a repeating unit derived from an acrylate-based monomer having a Tg of ?20° C. or less and a repeating unit derived from an unsaturated carboxylic acid monomer, and the repeating unit derived from the unsaturated carboxylic acid monomer is included in an amount of 10 to 50 parts by weight based on the total 100 parts by weight of the acrylic copolymer.Type: ApplicationFiled: February 9, 2018Publication date: August 9, 2018Applicant: DONGWOO FINE-CHEM CO., LTD.Inventors: Joong Han KUM, Jeong Ho YOO, Kyoung Moon JUNG, Bong Jin CHOI, Han Young CHOI
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Publication number: 20180004043Abstract: A reflective light control film includes a transparent film having a plurality of protruded line patterns formed on one surface of the base film, each of the protruded line patterns including a first side having an inclination angle with respect to the one surface of the base film and a second side, and a light reflection layer provided on the first side. The reflective light control film has excellent visibility for the screen even if it is not provided with a separate shade, and the screen is prevented from being reflected on the windshield.Type: ApplicationFiled: June 29, 2017Publication date: January 4, 2018Inventors: Bong Jin CHOI, Gi Hwan AHN, Joong Han KUM, Jeung Hoon ON, Han Young CHOI
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Patent number: 9676913Abstract: This patent is provided a method for producing a porous polymer film using vanadium oxide nanowires, and a porous polymer film obtained from the method. The method allows control of a uniform pore size and density through a simple process including the steps of: adding an ion exchanger to deionized water to perform acidification and adding a vanadate compound thereto to grow vanadium oxide nanowires by a sol-gel process; mixing the resultant solution of grown nanowires with a polymer solution to provide a mixed solution of nanowires; pouring the mixed solution of nanowires to a mold, followed by drying and curing, to form a film; and etching the resultant film with an etching solution to remove the vanadium oxide nanowires.Type: GrantFiled: June 5, 2014Date of Patent: June 13, 2017Assignee: KOREA UNIVERSITY RESEARCH AND BUSINESS FOUNDATIONInventors: Taek-Seung Kim, Hee-Deung Park, Gyu-Tae Kim, Man-Joong Han, Yun-Jeong Kim
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Patent number: 9576969Abstract: An IC device includes a polycrystalline silicon thin film interposed between a first level semiconductor circuit and a second level semiconductor circuit which are formed on a substrate and disposed to vertically overlap each other. The polycrystalline silicon thin film includes at least one silicon single crystal. The at least one silicon single crystal includes a flat horizontal portion, which provides an active region of the second level semiconductor device, and a pin-shaped protruding portion protruding from the flat horizontal portion toward the first level semiconductor device.Type: GrantFiled: June 17, 2016Date of Patent: February 21, 2017Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Wanit Manorotkul, Joong-han Shin, Bong-jin Kuh, Han-mei Choi, Dmitry Mikulik
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Patent number: D797931Type: GrantFiled: March 28, 2016Date of Patent: September 19, 2017Inventor: Joong Han Kim