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).

  • Publication number: 20240093254
    Abstract: 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: Application
    Filed: October 31, 2022
    Publication date: March 21, 2024
    Applicants: Advanced Protein Technologies Corp., SEOUL NATIONAL UNIVERSITY R&DB FORNDATION
    Inventors: Chul Soo SHIN, Jong Won YOON, Young Ha SONG, Young Sun YOO, Jeong Su BANG, Heon Hak LEE
  • Patent number: 11928171
    Abstract: 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: Grant
    Filed: September 20, 2021
    Date of Patent: March 12, 2024
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Ji Hyun Yoon, Jung Nam Bae, Yoon Soo Lee, Chul Gee Lee, Tae Soon Kim
  • Patent number: 10937931
    Abstract: 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: Grant
    Filed: March 13, 2019
    Date of Patent: March 2, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Do-Gyu Jung, Sung-Woo Choi, Chul-Soo Yoon
  • Patent number: 10851294
    Abstract: 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: Grant
    Filed: September 29, 2017
    Date of Patent: December 1, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ji Ho You, In Hyung Lee, Tae Hoon Kim, Jong Won Park, Chul Soo Yoon, Chi Woo Lee
  • Patent number: 10781368
    Abstract: 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: Grant
    Filed: May 1, 2019
    Date of Patent: September 22, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jong Won Park, Woon Seok Kim, Tae Hoon Kim, Ji Ho You, Chul Soo Yoon
  • Patent number: 10711187
    Abstract: 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: Grant
    Filed: September 22, 2016
    Date of Patent: July 14, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Do Hoon Kim, Izawa Takamasa, Chul Soo Yoon, Sung Woo Choi
  • Patent number: 10658551
    Abstract: 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: Grant
    Filed: July 24, 2018
    Date of Patent: May 19, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sung Woo Choi, Jeong Rok Oh, Jeong Eun Yun, Chul Soo Yoon
  • Publication number: 20200091379
    Abstract: 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: Application
    Filed: March 13, 2019
    Publication date: March 19, 2020
    Inventors: Do-Gyu JUNG, Sung-Woo CHOI, Chul-Soo YOON
  • Patent number: 10446722
    Abstract: 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: Grant
    Filed: May 23, 2018
    Date of Patent: October 15, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sung Woo Choi, Cho Hui Kim, Jeong Eun Yun, Chul Soo Yoon
  • Publication number: 20190293242
    Abstract: 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: Application
    Filed: November 5, 2018
    Publication date: September 26, 2019
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Mi Hyae Park, Ho Sun Paek, Jae Sung You, Chul Soo Yoon, Young Mook Lim
  • Publication number: 20190256768
    Abstract: 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: Application
    Filed: May 1, 2019
    Publication date: August 22, 2019
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Jong Won Park, Woon Seok Kim, Tae Hoon Kim, Ji Ho You, Chul Soo Yoon
  • Publication number: 20190189863
    Abstract: 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: Application
    Filed: July 24, 2018
    Publication date: June 20, 2019
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Sung Woo CHOI, Jeong Rok OH, Jeong Eun YUN, Chul Soo YOON
  • Patent number: 10312419
    Abstract: 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: Grant
    Filed: December 12, 2017
    Date of Patent: June 4, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jeong Rok Oh, Jeong Eun Yun, Sung Woo Choi, Cho Hui Kim, Chul Soo Yoon
  • Patent number: 10301541
    Abstract: 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: Grant
    Filed: March 21, 2016
    Date of Patent: May 28, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jong Won Park, Woon Seok Kim, Tae Hoon Kim, Ji Ho You, Chul Soo Yoon
  • Publication number: 20190103523
    Abstract: 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: Application
    Filed: May 23, 2018
    Publication date: April 4, 2019
    Inventors: Sung Woo CHOI, Cho Hui KIM, Jeong Eun YUN, Chul Soo YOON
  • Patent number: 10150912
    Abstract: 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: Grant
    Filed: December 9, 2015
    Date of Patent: December 11, 2018
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sung Woo Choi, Sung Hak Jo, Sun Yeol Choi, Jung Eun Yoon, Chul Soo Yoon, Tae Young Choi
  • Publication number: 20180323350
    Abstract: 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: Application
    Filed: December 12, 2017
    Publication date: November 8, 2018
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Jeong Rok Oh, Jeong Eun Yun, Sung Woo Choi, Cho Hui Kim, Chul Soo Yoon
  • Patent number: 10002992
    Abstract: 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: Grant
    Filed: August 2, 2016
    Date of Patent: June 19, 2018
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sung Woo Choi, Jung Eun Yoon, Chul Soo Yoon
  • Patent number: 10000695
    Abstract: 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: Grant
    Filed: December 28, 2015
    Date of Patent: June 19, 2018
    Assignee: 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
  • Patent number: 9917231
    Abstract: 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: Grant
    Filed: August 28, 2015
    Date of Patent: March 13, 2018
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jong Won Park, In Hyung Lee, Tae Hoon Kim, Ji Ho You, Chi Woo Lee, Chul Soo Yoon