Patents by Inventor Chul Soo Yoon
Chul Soo Yoon 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: 20240093254Abstract: The present invention relates to a method for increasing the productivity of 2?-fucosyllactose through various changes in culture medium composition and culturing on the basis of lactose, which is a substrate, wherein 2-fucosyllactose can be continuously produced in a high-yield at an optimum lactose concentration discovered by a culturing method of the present invention.Type: ApplicationFiled: October 31, 2022Publication date: March 21, 2024Applicants: Advanced Protein Technologies Corp., SEOUL NATIONAL UNIVERSITY R&DB FORNDATIONInventors: Chul Soo SHIN, Jong Won YOON, Young Ha SONG, Young Sun YOO, Jeong Su BANG, Heon Hak LEE
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Patent number: 11928171Abstract: An example uniform resource locator (URL) information providing method includes obtaining a text from a document including location information and identifying the location information, transmitting an original URL corresponding to the identified location information to an external apparatus and receiving a shortened URL corresponding to the original URL, generating an optical recognition code corresponding to the received shortened URL and obtaining information related to a content provided from the original URL from the external apparatus based on the original URL, changing the document based on the shortened URL, the optical recognition code, and the information related to the content provided from the original URL, and generating the changed document as page description language data.Type: GrantFiled: September 20, 2021Date of Patent: March 12, 2024Assignee: Hewlett-Packard Development Company, L.P.Inventors: Ji Hyun Yoon, Jung Nam Bae, Yoon Soo Lee, Chul Gee Lee, Tae Soon Kim
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Patent number: 10937931Abstract: A light emitting device including a light emitting element for emitting blue light; and a fluorescent film including a single crystal fluorescent material or a polycrystalline fluorescent material, wherein the fluorescent film absorbs the blue light and emits light having a wavelength different from that of the blue light, wherein the fluorescent film faces a surface of the light emitting element, and the fluorescent material included in the fluorescent film is represented by the following Formula (1): Y3-x-yLxMyAl5O12 wherein L is Gd or Lu, and M is Ce, Tb, Eu, Yb, Pr, Tm, or Sm, 0?x?2.999, and 0.001?y?0.1.Type: GrantFiled: March 13, 2019Date of Patent: March 2, 2021Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Do-Gyu Jung, Sung-Woo Choi, Chul-Soo Yoon
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Patent number: 10851294Abstract: There is provided a fluoride phosphor composite including: fluoride phosphor core particles that may be expressed by the empirical formula AxMFy:Mn4+, wherein A may be at least one selected from the group consisting of Li, Na, K, Rb, and Cs, M may be at least one selected from the group consisting of Si, Ti, Zr, Hf, Ge, and Sn, the composition ratio (x) of A may satisfy 2?x?3, the composition ratio (y) of F may satisfy 4?y?7, each fluoride phosphor composite particle may be coated with a Mn-free fluoride coating. The Mn-free fluoride coating may have a thickness less than or equal to 35% of the size of each fluoride phosphor composite particle.Type: GrantFiled: September 29, 2017Date of Patent: December 1, 2020Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Ji Ho You, In Hyung Lee, Tae Hoon Kim, Jong Won Park, Chul Soo Yoon, Chi Woo Lee
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Patent number: 10781368Abstract: A fluoride phosphor includes fluoride particles represented by AxMFy:Mnz4+ where A is at least one selected from lithium (Li), sodium (Na), potassium (K), rubidium (Rb), and cesium (Cs), M is at least one selected from silicon (Si), titanium (Ti), zirconium (Zr), hafnium (Hf), germanium (Ge) and tin (Sn), a compositional ratio x of A satisfies 2?x?3, and a compositional ratio y of F satisfies 4?y?7; and an organic material physically adsorbed onto surfaces of the fluoride particles to allow the fluoride particles to have hydrophobicity. The fluoride particles have a concentration of Mn4+ gradually reduced from respective centers to respective surfaces of the fluoride particles.Type: GrantFiled: May 1, 2019Date of Patent: September 22, 2020Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Jong Won Park, Woon Seok Kim, Tae Hoon Kim, Ji Ho You, Chul Soo Yoon
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Patent number: 10711187Abstract: A method of manufacturing a fluoride phosphor represented by a chemical formula A3MF7:Mn4+ includes forming a first mixture by mixing a first raw material containing A2MF6 and a second raw material containing AF or AHF2, forming a second mixture by mixing the first mixture and a sintering aid, and firing the second mixture. In the chemical formula, A is at least one selected from Li, Na, K, Rb, Cs and mixtures thereof, and M is at least one selected from Si, Ti, Zr, Hf, Ge, Sn, and mixtures thereof.Type: GrantFiled: September 22, 2016Date of Patent: July 14, 2020Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Do Hoon Kim, Izawa Takamasa, Chul Soo Yoon, Sung Woo Choi
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Patent number: 10658551Abstract: A wavelength-converting film includes a sintered body formed of a mixture of a wavelength-converting material and a glass composition. The wavelength-converting material includes a quantum dot having a core-shell structure and a protective layer coating a surface of the quantum dot. A shell of the quantum dot contains at least one of Zn, S, and Se, the protective layer does not contain S and Se, and the glass composition includes a SnO2—P2O5—SiO2-based composition.Type: GrantFiled: July 24, 2018Date of Patent: May 19, 2020Assignee: Samsung Electronics Co., Ltd.Inventors: Sung Woo Choi, Jeong Rok Oh, Jeong Eun Yun, Chul Soo Yoon
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Publication number: 20200091379Abstract: A light emitting device including a light emitting element for emitting blue light; and a fluorescent film including a single crystal fluorescent material or a polycrystalline fluorescent material, wherein the fluorescent film absorbs the blue light and emits light having a wavelength different from that of the blue light, wherein the fluorescent film faces a surface of the light emitting element, and the fluorescent material included in the fluorescent film is represented by the following Formula (1): Y3-x-yLxMyAl5O12 wherein L is Gd or Lu, and M is Ce, Tb, Eu, Yb, Pr, Tm, or Sm, 0?x?2.999, and 0.001?y?0.1.Type: ApplicationFiled: March 13, 2019Publication date: March 19, 2020Inventors: Do-Gyu JUNG, Sung-Woo CHOI, Chul-Soo YOON
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Patent number: 10446722Abstract: A white light emitting device includes a substrate, a first light emitting diode configured to emit first blue light having a peak intensity at a wavelength within the range of 445 nm to 455 nm, a second light emitting diode configured to emit second blue light having a peak intensity at a wavelength within the range of 465 nm to 495 nm, and a wavelength conversion unit configured to convert portions of the first blue light and the second blue light, and to provide white light formed by a combination of the converted portions of the first blue light and the second blue light with unconverted portions of the first blue light and the second blue light. The wavelength conversion unit includes a first wavelength conversion material configured to emit first light having a peak intensity at a wavelength within the range of 520 nm to 560 nm, and a second wavelength conversion material configured to emit second light having a peak intensity at a wavelength within the range of 600 nm to 645 nm.Type: GrantFiled: May 23, 2018Date of Patent: October 15, 2019Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Sung Woo Choi, Cho Hui Kim, Jeong Eun Yun, Chul Soo Yoon
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Publication number: 20190293242Abstract: An LED module includes a flexible substrate having a first surface on which a circuit pattern is disposed and a second surface opposing the first surface, and having a light transmittance of 80% or more; a plurality of LED chips mounted on the first surface of the flexible substrate, and electrically connected to the circuit pattern; first and second connection terminals disposed at both ends of the flexible substrate, and connected to the circuit pattern; and a wavelength converter covering the plurality of LED chips, and surrounding the flexible substrate.Type: ApplicationFiled: November 5, 2018Publication date: September 26, 2019Applicant: Samsung Electronics Co., Ltd.Inventors: Mi Hyae Park, Ho Sun Paek, Jae Sung You, Chul Soo Yoon, Young Mook Lim
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Publication number: 20190256768Abstract: A fluoride phosphor includes fluoride particles represented by AxMFy:Mnz4+ where A is at least one selected from lithium (Li), sodium (Na), potassium (K), rubidium (Rb), and cesium (Cs), M is at least one selected from silicon (Si), titanium (Ti), zirconium (Zr), hafnium (Hf), germanium (Ge) and tin (Sn), a compositional ratio x of A satisfies 2?x?3, and a compositional ratio y of F satisfies 4?y?7; and an organic material physically adsorbed onto surfaces of the fluoride particles to allow the fluoride particles to have hydrophobicity. The fluoride particles have a concentration of Mn4+ gradually reduced from respective centers to respective surfaces of the fluoride particles.Type: ApplicationFiled: May 1, 2019Publication date: August 22, 2019Applicant: Samsung Electronics Co., Ltd.Inventors: Jong Won Park, Woon Seok Kim, Tae Hoon Kim, Ji Ho You, Chul Soo Yoon
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Publication number: 20190189863Abstract: A wavelength-converting film includes a sintered body formed of a mixture of a wavelength-converting material and a glass composition. The wavelength-converting material includes a quantum dot having a core-shell structure and a protective layer coating a surface of the quantum dot. A shell of the quantum dot contains at least one of Zn, S, and Se, the protective layer does not contain S and Se, and the glass composition includes a SnO2—P2O5—SiO2-based composition.Type: ApplicationFiled: July 24, 2018Publication date: June 20, 2019Applicant: Samsung Electronics Co., Ltd.Inventors: Sung Woo CHOI, Jeong Rok OH, Jeong Eun YUN, Chul Soo YOON
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Patent number: 10312419Abstract: A white light emitting device may include a blue light emitting diode configured to emit blue light and a plurality of wavelength conversion materials configured to convert the blue light into light having different wavelengths based on being excited by the blue light, and emit white light based on the converting, wherein the emitted white light is associated with an Illuminating Engineering Society (IES) TM-30-15 Fidelity Index (Rf) in a range of 78 to 89, an IES TM-30-15 Chroma Change by Hue Index Rcs15 in a range of 7% to 16%, and an IES TM-30-15 Chroma Change by Hue Index Rcs16 in a range of 7% to 16%, and a color difference between a reflection spectrum of a white specimen of the emitted white light, and International Commission on Illumination (CIE) Standard illuminant D65, that is equal to or less than 106.Type: GrantFiled: December 12, 2017Date of Patent: June 4, 2019Assignee: Samsung Electronics Co., Ltd.Inventors: Jeong Rok Oh, Jeong Eun Yun, Sung Woo Choi, Cho Hui Kim, Chul Soo Yoon
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Patent number: 10301541Abstract: A fluoride phosphor includes fluoride particles represented by AxMFy:Mnz4+ where A is at least one selected from lithium (Li), sodium (Na), potassium (K), rubidium (Rb), and cesium (Cs), M is at least one selected from silicon (Si), titanium (Ti), zirconium (Zr), hafnium (Hf), germanium (Ge) and tin (Sn), a compositional ratio x of A satisfies 2?x?3, and a compositional ratio y of F satisfies 4?y?7; and an organic material physically adsorbed onto surfaces of the fluoride particles to allow the fluoride particles to have hydrophobicity. The fluoride particles have a concentration of Mn4+ gradually reduced from respective centers to respective surfaces of the fluoride particles.Type: GrantFiled: March 21, 2016Date of Patent: May 28, 2019Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Jong Won Park, Woon Seok Kim, Tae Hoon Kim, Ji Ho You, Chul Soo Yoon
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Publication number: 20190103523Abstract: A white light emitting device includes a substrate, a first light emitting diode configured to emit first blue light having a peak intensity at a wavelength within the range of 445 nm to 455 nm, a second light emitting diode configured to emit second blue light having a peak intensity at a wavelength within the range of 465 nm to 495 nm, and a wavelength conversion unit configured to convert portions of the first blue light and the second blue light, and to provide white light formed by a combination of the converted portions of the first blue light and the second blue light with unconverted portions of the first blue light and the second blue light. The wavelength conversion unit includes a first wavelength conversion material configured to emit first light having a peak intensity at a wavelength within the range of 520 nm to 560 nm, and a second wavelength conversion material configured to emit second light having a peak intensity at a wavelength within the range of 600 nm to 645 nm.Type: ApplicationFiled: May 23, 2018Publication date: April 4, 2019Inventors: Sung Woo CHOI, Cho Hui KIM, Jeong Eun YUN, Chul Soo YOON
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Patent number: 10150912Abstract: There is provided a red phosphor that may include a nitride represented by a formula of (Sr1-x-yBaxEuy)2Si5N8, wherein 0<x<0.7, and 0<y<0.1. The red phosphor may emit light having a peak wavelength in a range of 600 nm to 630 nm when irradiated by an excitation source and the excitation source may be a blue light source having a dominant wavelength in a range of 420 nm to 470 nm.Type: GrantFiled: December 9, 2015Date of Patent: December 11, 2018Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Sung Woo Choi, Sung Hak Jo, Sun Yeol Choi, Jung Eun Yoon, Chul Soo Yoon, Tae Young Choi
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Publication number: 20180323350Abstract: A white light emitting device may include a blue light emitting diode configured to emit blue light and a plurality of wavelength conversion materials configured to convert the blue light into light having different wavelengths based on being excited by the blue light, and emit white light based on the converting, wherein the emitted white light is associated with an Illuminating Engineering Society (IES) TM-30-15 Fidelity Index (Rf) in a range of 78 to 89, an IES TM-30-15 Chroma Change by Hue Index Rcs15 in a range of 7% to 16%, and an IES TM-30-15 Chroma Change by Hue Index Rcs16 in a range of 7% to 16%, and a color difference between a reflection spectrum of a white specimen of the emitted white light, and International Commission on Illumination (CIE) Standard illuminant D65, that is equal to or less than 106.Type: ApplicationFiled: December 12, 2017Publication date: November 8, 2018Applicant: Samsung Electronics Co., Ltd.Inventors: Jeong Rok Oh, Jeong Eun Yun, Sung Woo Choi, Cho Hui Kim, Chul Soo Yoon
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Patent number: 10002992Abstract: A red phosphor contains a nitride having a formula of SrxMgySizN2/3(x+y+2z+w):Euw, in which x, y, z, and w satisfy the relationships 0.5?x?2, 2.5?y?3.5, 0.5?z?1.5 and 0<w?0.1. The red phosphor is configured to emit light having a peak wavelength in a range of from 610 nm to 625 nm when irradiated by an excitation source, and the excitation source may be a blue light source having a dominant wavelength in a range of 420 nm to 470 nm. In such a case, the spectrum of the emitted light has a full-width at half-maximum (FWHM) less than or equal to 55 nm.Type: GrantFiled: August 2, 2016Date of Patent: June 19, 2018Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Sung Woo Choi, Jung Eun Yoon, Chul Soo Yoon
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Patent number: 10000695Abstract: A method of manufacturing a fluoride phosphor, the method comprising: preparing a hydrofluoric (HF) solution in which a first source material and a fluoride containing Mn4+ are dissolved; and forming fluoride particles by introducing a second source material to the HF solution in each of a plurality of instances.Type: GrantFiled: December 28, 2015Date of Patent: June 19, 2018Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Chan Suk Min, Tae Hoon Kim, Jong Won Park, Ji Ho You, Jeong Rok Oh, Chul Soo Yoon, In Hyung Lee, Chi Woo Lee
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Patent number: 9917231Abstract: A fluoride phosphor may include: a fluoride represented by a composition formula: AxMFy:Mnz4+, where A is at least one selected from among Li, Na, K, Rb, and Cs, M is at least one selected from among Si, Ti, Zr, Hf, Ge and Sn, a composition ratio (x) of A satisfies 2?x?3, a composition ratio (y) of F satisfies 4?y?7, and a composition ratio (z) of Mn satisfies 0<z?0.17.Type: GrantFiled: August 28, 2015Date of Patent: March 13, 2018Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Jong Won Park, In Hyung Lee, Tae Hoon Kim, Ji Ho You, Chi Woo Lee, Chul Soo Yoon