Patents by Inventor Young Chang

Young Chang 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).

  • Patent number: 11673122
    Abstract: A member for a metal oxide nanofiber based gas sensor can include a metal nanoparticle catalyst and can be formed to be functionalized by binding the metal nanoparticle catalyst and an alkali or alkaline earth metal through electrospinning and heat treatment processes. The member can detect a trace amount of a gas with high selectivity and ultra-high sensitivity by uniformly binding the alkali or alkaline earth metal and the metal nanoparticle catalyst through electrospinning and high-temperature heat treatment.
    Type: Grant
    Filed: May 17, 2021
    Date of Patent: June 13, 2023
    Assignees: SAMSUNG ELECTRONICS CO., LTD., KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Won Jong Jung, Il Doo Kim, Kak Namkoong, Dong Ha Kim, Yeol Ho Lee, Joon Hyung Lee, Ki Young Chang, Ji Soo Jang, Ha Min Shin, Yoon Hwa Kim
  • Patent number: 11670561
    Abstract: Embodiments include semiconductor packages and a method to form such packages. A semiconductor package includes first, second, and third microelectronic devices on a package substrate. The first microelectronic device has a top surface substantially coplanar to a top surface of the second microelectronic device. The third microelectronic device has a top surface above the top surfaces of the first and second microelectronic devices. The semiconductor package includes a first conductive layer on the first and second microelectronic devices, and a second conductive layer on the third microelectronic device. The second conductive layer has a thickness less than a thickness of the first conductive layer, and a top surface substantially coplanar to a top surface of the first conductive layer. The semiconductor includes thermal interface materials on the first and second conductive layers. The first and second conductive layers are comprised of copper, silver, boron nitride, or graphene.
    Type: Grant
    Filed: December 19, 2019
    Date of Patent: June 6, 2023
    Assignee: Intel Corporation
    Inventors: Zhimin Wan, Chandra Mohan Jha, Je-Young Chang, Chia-Pin Chiu, Liwei Wang
  • Patent number: 11664294
    Abstract: An integrated circuit assembly may be formed using a phase change material as an electromagnetic shield and as a heat dissipation mechanism for the integrated circuit assembly. In one embodiment, the integrated circuit assembly may comprise an integrated circuit package including a first substrate having a first surface and an opposing second surface, and at least one integrated circuit device having a first surface and an opposing second surface, wherein the at least one integrated circuit device is electrically attached by the first surface thereof to the first surface of the first substrate; and a phase change material formed on the integrated circuit package.
    Type: Grant
    Filed: January 7, 2019
    Date of Patent: May 30, 2023
    Assignee: Intel Corporation
    Inventors: Aastha Uppal, Je-Young Chang, Weihua Tang, Minseok Ha
  • Patent number: 11648316
    Abstract: The present invention relates to an oral pharmaceutical composition containing pemetrexed as a water-soluble anticancer drug and a method of manufacturing the same, and more particularly to an oral pharmaceutical composition, in which an ion-binding complex of pemetrexed and a bile acid derivative as an oral absorption enhancer is formed, mixed with a pharmaceutical additive, and then provided in the form of a capsule or a tablet through pressing or included in the internal water phase of a w/o/w (water-in-oil-in-water) multiple nanoemulsion, thus increasing the oral bioavailability of pemetrexed as the water-soluble anticancer drug, whereby pemetrexed, which is currently administered only in the form of an injection formulation, can be manufactured into a formulation capable of being orally administered, ultimately alleviating inconvenience and problems with use of injection formulations, improving patient compliance and contributing to a reduction in medical expenses.
    Type: Grant
    Filed: October 10, 2018
    Date of Patent: May 16, 2023
    Assignee: ICURE BNP CO., LTD.
    Inventors: Jin Woo Park, Young Ro Byun, Young Kweon Choi, Kwan Young Chang, Jae Bum Lee
  • Patent number: 11650363
    Abstract: A low refractive layer includes a plurality of hollow inorganic particles and a matrix between the hollow inorganic particles, and capable of exhibiting a good refractive index and improved durability by enhancing the weight ratio of the hollow inorganic particles to the matrix. An electronic device according to an embodiment of the inventive concept including the low refractive layer may exhibit improved reliability and good display quality.
    Type: Grant
    Filed: July 1, 2019
    Date of Patent: May 16, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Taekjoon Lee, Young gu Kim, Sun-young Chang, Jongmin Ok, Hyelim Jang, Jin-soo Jung, Kyungseon Tak
  • Patent number: 11648536
    Abstract: The present invention relates to a catalyst for oxidative dehydrogenation of butene and a method for producing the same. The catalyst for oxidative dehydrogenation of butene has a large amount of Mo—Bi phase acting as a reaction active phase on the surface, and therefore, can exhibit high catalytic activity, high conversion rate and high butadiene selectivity in the oxidative dehydrogenation of butene.
    Type: Grant
    Filed: November 27, 2018
    Date of Patent: May 16, 2023
    Assignee: LG CHEM, LTD.
    Inventors: Ara Cho, Young Chang Byun, Gyo Hyun Hwang, Jungup Bang, Cheolock Song
  • Publication number: 20230125822
    Abstract: A two-phase immersion cooling system for integrated circuit assembly may be formed utilizing a heat dissipation device thermally coupled to at least one integrated circuit device, wherein the heat dissipation device may include a surface enhancement structure and a boiling enhancement material layer, such as a micro-porous material, on the surface enhancement structure.
    Type: Application
    Filed: October 27, 2021
    Publication date: April 27, 2023
    Applicant: Intel Corporation
    Inventors: Abdulafeez Adebiyi, Je-Young Chang, Devdatta Kulkarni
  • Patent number: 11626134
    Abstract: A heat-assisted magnetic recording (HAMR) device is configured to write regions of neutral polarity on a magnetic media during a same pass of the recording head in which other regions are written of positive polarity and negative polarity. The various disclosed write techniques may facilitate creation of “zero state” (substantially net zero polarity) transition zones between each pair of data bits of opposite polarity and/or may facilitate the encoding of three different logical states (e.g., 1, 0, and ?1) on the media.
    Type: Grant
    Filed: December 29, 2021
    Date of Patent: April 11, 2023
    Assignee: SEAGATE TECHNOLOGY LLC
    Inventors: Thomas Young Chang, Philip L. Steiner, Zengyuan Liu
  • Patent number: 11626136
    Abstract: A heat-assisted magnetic recording (HAMR) device is configured to write regions of neutral polarity on a magnetic media during a same pass of the recording head in which other regions are written of positive polarity and negative polarity. The various disclosed write techniques may facilitate creation of “zero state” (substantially net zero polarity) transition zones between each pair of data bits of opposite polarity and/or may facilitate the encoding of three different logical states (e.g., 1, 0, and ?1) on the media.
    Type: Grant
    Filed: December 29, 2021
    Date of Patent: April 11, 2023
    Assignee: SEAGATE TECHNOLOGY LLC
    Inventors: Thomas Young Chang, Philip L. Steiner, Zengyuan Liu
  • Publication number: 20230108843
    Abstract: A system includes a package layer with microchannels to spread heat localized in the package at an electronic die. The microchannel is integrated onto or into the package layer. The microchannel has a hollow heat conducting material through which a fluid is to flow to spread the heat. The microchannel has a triangular cross-section or a trapezoidal cross-section. The microchannel can be sealed in the integration process to result in a closed heat pipe structure in which liquid flows through expansion and compression in response to heating and cooling, respectively.
    Type: Application
    Filed: September 23, 2021
    Publication date: April 6, 2023
    Inventors: Mohammad Mamunur RAHMAN, Jeremy D. ECTON, Je-Young CHANG
  • Patent number: 11614654
    Abstract: Provided is an optical member. The optical member includes a color filter member including quantum dots and a low-refractive index layer below the color filter member and including a first hollow particle and a second hollow particle. The first hollow particle may have a particle size different from a particle size of the second hollow particle.
    Type: Grant
    Filed: September 21, 2021
    Date of Patent: March 28, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jin-soo Jung, Younggu Kim, Taekjoon Lee, Jongmin Ok, Sun-young Chang, Hyelim Jang, Baekkyun Jeon, Kyungseon Tak
  • Publication number: 20230091720
    Abstract: A system includes a package layer with microchannels to spread heat localized in the package at an electronic die. The microchannel is integrated onto or into the package layer. The microchannel has a hollow heat conducting material with a rectangular cross-section through which a fluid is to flow to spread the heat. The microchannel can be an open channel that is sealed with a pump to cause the fluid to flow through the microchannel. The microchannel can be sealed in the integration process to result in a closed heat pipe structure in which liquid flows through expansion and compression in response to heating and cooling, respectively.
    Type: Application
    Filed: September 23, 2021
    Publication date: March 23, 2023
    Inventors: Mohammad Mamunur RAHMAN, Jeremy D. ECTON, Je-Young CHANG
  • Patent number: 11609371
    Abstract: An electronic device includes a light source member configured to provide a first light, a color conversion member disposed on the light source member and including a first conversion material that converts the first light into a second light and a second conversion material that converts the first light into a third light, and a low-refractive index layer disposed on the light source member and disposed on at least one of upper and lower portions of the color conversion member. The low-refractive index layer includes a matrix part, a plurality of hollow inorganic particles dispersed in the matrix part, and a plurality of void parts defined by the matrix part.
    Type: Grant
    Filed: December 23, 2021
    Date of Patent: March 21, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Kyungseon Tak, Younggu Kim, Taekjoon Lee, Sun-Young Chang, Jin-Soo Jung, Jongmin Ok, Hyelim Jang, Baekkyun Jeon
  • Patent number: 11607133
    Abstract: A biological component measuring apparatus may include: a first light source configured to emit a first light of a first wavelength range onto an object; a second light source configured to emit a second light of a second wavelength range onto the object, the second wavelength range being different from the first wavelength range; a detector configured to detect the first light and the second light which are scattered from the object; and a processor configured to determine a scattering coefficient based on the detected first light, obtain blood vessel depth information based on the detected second light, and measure a biological component by correcting the scattering coefficient based on the blood vessel depth information.
    Type: Grant
    Filed: April 23, 2021
    Date of Patent: March 21, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Kun Sun Eom, Joon Hyung Lee, Jeong Eun Hwang, Jung Yong Nam, Ki Young Chang
  • Publication number: 20230078207
    Abstract: A display device includes a display area including a first light-emitting area and a second light-emitting area; a peripheral area adjacent to the display area; pixels which emit incident light; an encapsulation layer covering the pixels; a first color-converting pattern corresponding to the first light-emitting area and having a refractivity; a transmission pattern corresponding to the second light-emitting area and through which the incident light is transmitted; a low refractivity layer is in the display area and facing the encapsulation layer with each of the first color-converting pattern and the transmission pattern therebetween, the low refractivity layer including: a resin and a hollow particle which define a refractivity lower than the refractivity of the first color-converting pattern; and a first dam structure in the peripheral area and spaced apart from the display area, the first dam structure and the transmission pattern being portions of a same material layer.
    Type: Application
    Filed: November 16, 2022
    Publication date: March 16, 2023
    Inventors: Young Gu KIM, Ji Yun PARK, Jong Ho SON, Jong Min OK, Sun-Young CHANG, Hye Lim JANG, Baek Kyun JEON, Kyung Seon TAK
  • Publication number: 20230066169
    Abstract: Disclosed herein is a method for distributed consensus. The method includes performing, by each of nodes forming a blockchain, an operation corresponding to a success probability (p) a number of times corresponding to the share value thereof; sending, by nodes having at least one share corresponding to the operation which is successful, a message for being selected as consensus nodes; and performing, by the consensus nodes, which are nodes having consensus shares selected from among the shares corresponding to the operation which is successful, distributed consensus. Here, the nodes forming the blockchain include major shareholder nodes for processing transactions.
    Type: Application
    Filed: July 21, 2022
    Publication date: March 2, 2023
    Inventors: Jin-Tae OH, Ki-Young Kim, Young-Chang Kim
  • Publication number: 20230056435
    Abstract: Provided is a device for injecting a fixed quantity of liquid medicine, to which a syringe may be mounted and which may inject the liquid medicine held in the syringe by a fixed quantity due to a user's pushing operation. The device for injecting the fixed quantity of liquid medicine is advantageous in that a user can operate the device with one hand to inject the fixed quantity of medicine into various areas, thus maximizing operability and convenience. Furthermore, the device is advantageous in that it is possible to maximize medicine delivery efficiency even when operated by a person who is not a medical staff not in a hospital but at home.
    Type: Application
    Filed: August 18, 2021
    Publication date: February 23, 2023
    Inventor: Ji-young CHANG
  • Publication number: 20230058347
    Abstract: A blood vessel detection device comprises: a first irradiation unit for irradiating a predetermined site of a subject with light of a first wavelength that is absorbed less by hemoglobin or water and light of a second wavelength that is absorbed more by hemoglobin or water than the first wavelength; a second irradiation unit for irradiating the predetermined site with light of a third wavelength that is absorbed less by hemoglobin; a light intensity detection unit for detecting the intensity of light emitted from the subject at one or more positions spaced apart by a predetermined distance from the light irradiation positions of the first and second irradiation units or one or more contiguous positions; and a control unit that calculates blood vessel depth information, calculates blood vessel angle information, and determines an optimal position for measurement based on the blood vessel depth information and the blood vessel angle information.
    Type: Application
    Filed: January 25, 2021
    Publication date: February 23, 2023
    Inventors: Atsushi TAKAMIZAWA, Kazuya IINAGA, KI YOUNG CHANG, JOON HYUNG LEE, KAK NAMKOONG, YEOL HO LEE, WON JONG JUNG
  • Patent number: 11574851
    Abstract: An apparatus is provided which comprises: a package substrate, an integrated circuit device coupled to a surface of the package substrate, a first material on the surface of the package substrate, the first material contacting one or more lateral sides of the integrated circuit device, the first material extending at least to a surface of the integrated circuit device opposite the package substrate, two or more separate fins over a surface of the integrated circuit device, the two or more fins comprising a second material having a different composition than the first material, and a third material having a different composition than the second material, the third material over the surface of the integrated circuit device and between the two or more fins. Other embodiments are also disclosed and claimed.
    Type: Grant
    Filed: February 27, 2019
    Date of Patent: February 7, 2023
    Assignee: Intel Corporation
    Inventors: Aastha Uppal, Omkar Karhade, Ram Viswanath, Je-Young Chang, Weihua Tang, Nitin Deshpande, Mitul Modi, Edvin Cetegen, Sanka Ganesan, Yiqun Bai, Jan Krajniak, Kumar Singh
  • Publication number: 20230005083
    Abstract: A method, system, and recording medium for managing official accounts is disclosed. An official account management method includes the steps of setting a relation between official accounts that are accounts of sponsors on a messenger, and managing the official accounts by classifying the official accounts in a related account group in accordance with the relation between the official accounts.
    Type: Application
    Filed: September 6, 2022
    Publication date: January 5, 2023
    Applicant: LINE Corporation
    Inventors: So Young CHANG, Hyun Jeong LEE