Patents by Inventor Sang-Hwan AN

Sang-Hwan AN 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: 11577497
    Abstract: A method for preparing a thermoplastic polyurethane film having a large thickness and excellent durability, and a thermoplastic polyurethane film prepared thereby are provided.
    Type: Grant
    Filed: March 20, 2018
    Date of Patent: February 14, 2023
    Inventors: Sang Yool Lee, Joo Hee Hong, Se Jung Park, Sang Hwan Kim, Jang Soon Kim
  • Publication number: 20230029040
    Abstract: Provided is a steel sheet which can be used for automobile parts and the like, and relates to a steel sheet having a superior balance of strength and ductility and strength and hole expansion ratio and superior bending formability, and a method for manufacturing same.
    Type: Application
    Filed: November 24, 2020
    Publication date: January 26, 2023
    Inventors: Jae-Hoon LEE, Tae-Kyo HAN, Sang-Hwan LEE
  • Publication number: 20220410495
    Abstract: The present disclosure relates to a prepreg, a preparation method thereof and a fiber-reinforced composite material prepared therefrom. The preparation method of a prepreg may include an aramid fiber base material with improved wettability to resin, can increase a thickness reduction rate during molding of the prepreg, has an appropriate resin content, and can provide a prepreg suitable for molding by an out-of-autoclave process.
    Type: Application
    Filed: December 10, 2020
    Publication date: December 29, 2022
    Inventor: Sang Hwan KIM
  • Publication number: 20220384147
    Abstract: Disclosed is a substrate treating apparatus. The substrate treating apparatus includes an index part having a load port, and a process executing part that receives a substrate from the index part and treats the substrate, the load port includes a housing having an interior space, a seating part disposed on an upper side of the housing, and on which a container that receives a substrate type sensor is positioned, and a charging unit that charges a power source device installed in the container in a wireless charging scheme.
    Type: Application
    Filed: May 18, 2022
    Publication date: December 1, 2022
    Applicant: SEMES CO., LTD.
    Inventors: Sang Hwan LEE, Yong Seok JANG
  • Patent number: 11512152
    Abstract: A method of preparing an acrylic adhesive, in which the durability of an adhesive film may be improved through additional photocuring and the residual components according to solution photopolymerization are efficiently removed, and an adhesive film prepared therefrom.
    Type: Grant
    Filed: February 27, 2018
    Date of Patent: November 29, 2022
    Inventors: Jun Man Choi, Sang Hwan Kim, Jang Soon Kim, Kwang Su Seo, Won Gu Choi, Chi Gwan An
  • Patent number: 11482261
    Abstract: A memory device, and a method of operating the same, includes a plurality of pages, a peripheral circuit, and control logic. The peripheral circuit is configured to receive a command, an address, and data from an external controller to program a page selected from among the plurality of pages, and to generate internal input data depending on an input mode for the command, the address, and the data. The control logic is configured to determine whether internal input data is to be generated based on the data depending on the input mode and to control the peripheral circuit so that a program operation of programming the internal input data is performed.
    Type: Grant
    Filed: April 28, 2021
    Date of Patent: October 25, 2022
    Assignee: SK hynix Inc.
    Inventor: Sang Hwan Kim
  • Patent number: 11476502
    Abstract: Disclosed herein are electrolyte compositions comprising: a) a first solvent comprising a cyclic carbonate; b) a second solvent comprising a non-fluorinated acyclic carbonate; c) at least one electrolyte component selected from: i) a fluorinated acyclic carboxylic acid ester; ii) a fluorinated acyclic carbonate; iii) a fluorinated acyclic ether; or iv) a mixture thereof; and d) an electrolyte salt; wherein the electrolyte component is present in the electrolyte composition in the range of from about 0.05 weight percent to about 10 weight percent, based on the total weight of the first and second solvents.
    Type: Grant
    Filed: July 6, 2017
    Date of Patent: October 18, 2022
    Assignee: Solvay SA
    Inventors: Stephen E. Burkhardt, Jun J. Liu, Sang-Hwan Kim, Kostantinos Kourtakis
  • Patent number: 11466178
    Abstract: A back grinding tape including a hard coating layer, an intermediate layer including a polyurethane-based resin, and an adhesive layer provided has an excellent water resistance, thus easily protecting patterns, and has an excellent adhesion between each layer, and thus each layer is not separated in the process of removing the tape, such that the back grinding tape is suitable for a back grinding process.
    Type: Grant
    Filed: March 7, 2019
    Date of Patent: October 11, 2022
    Assignee: LG CHEM, LTD.
    Inventors: Eun Yeong Kim, Sera Kim, Kwang Joo Lee, Sang Hwan Kim, Sung Chan Park, Mi Seon Yoon
  • Publication number: 20220275260
    Abstract: The present disclosure provides a surface protective film which is used in a process of fabricating an encapsulation layer for an organic light-emitting diode, and makes it possible to prevent bubbles from being generated in the protective film or the surface smoothness of the protective film from being degraded, due to solvent volatilization from the protective film. Specifically, the present disclosure provides a surface protective film including an adhesive layer provided on one surface of a substrate layer, wherein the adhesive layer includes a cured product of an adhesive composition including: a urethane-based resin having a photoreactive group at the end or side chain thereof; a monofunctional (meth)acrylate monomer; a crosslinking agent having two or more photoreactive groups at the end thereof; a photoinitiator; and a photoreactive siloxane additive, the adhesive composition being solvent-free.
    Type: Application
    Filed: November 20, 2020
    Publication date: September 1, 2022
    Inventors: So Jin Kim, Hyun Cheol Kim, Jeong Min Choi, Sang Hwan Kim, Kwang Su Seo
  • Publication number: 20220271182
    Abstract: Provided is a backside illuminated avalanche photodiode and a manufacturing method thereof. The backside illuminated avalanche photodiode comprises a semiconductor substrate; a semiconductor structure including a first semiconductor layer being arranged on a front surface of the semiconductor substrate and including a first conductivity type bottom electrical contact layer, a light absorption layer, and a multiplication layer, and a second semiconductor layer, stacked on the first semiconductor layer and including an etch stop layer and a second conductivity type top electrical conductivity layer stacked on the etch stop layer; a plurality of V-grooves in parallel with each other being formed by etching the top electrical contact layer; and a reflective top electrode formed by depositing a multi layer thin metal films on the top electrical contact layer wherein plurality of V-grooves parallel with each other are formed.
    Type: Application
    Filed: November 4, 2021
    Publication date: August 25, 2022
    Inventor: Sang Hwan LEE
  • Publication number: 20220267387
    Abstract: The present invention relates to flavoprotein improved LOV (iLOV) variants that exhibit enhanced fluorescence intensity compared to iLOV. The present invention also relates to a method for screening any of the iLOV variants. The iLOV variants of the present invention are useful in determining whether target proteins are expressed, irrespective of the presence of oxygen, and isolating and purifying the expressed target proteins due to their enhanced fluorescence intensity and quantum yield compared to existing LOV or iLOV proteins.
    Type: Application
    Filed: September 29, 2020
    Publication date: August 25, 2022
    Applicants: KOREA UNIVERSITY RESEARCH AND BUSINESSE FOUNDATION, KOOKMIN UNIVERSITY INDUSTRY ACADEMY COOPERATION FOUNDATION
    Inventors: Sang Taek JUNG, Sang Hwan KO, Bora HWANG, Jung-Hyun NA
  • Patent number: 11424153
    Abstract: The present disclosure relates to a back grinding tape including a polymer resin layer including a urethane (meth)acrylate resin containing 10 to 40 wt % of a repeating unit derived from a (meth)acrylate monomer or oligomer having a glass transition temperature of 0° C. or higher, wherein the polymer resin layer has a glass transition temperature of ?30° C. to 0° C. The present disclosure also relates to a method of grinding a wafer using the back grinding tape.
    Type: Grant
    Filed: June 4, 2019
    Date of Patent: August 23, 2022
    Assignee: LG CHEM, LTD.
    Inventors: Mi Seon Yoon, Sera Kim, Kwang Joo Lee, Bora Yeon, Sang Hwan Kim, Eun Yeong Kim
  • Patent number: 11407364
    Abstract: A vehicle camera module includes: a lens module; a circuit board including an image sensor; a front, metal powder injection molded housing having a front side assembled with the lens module and a rear side assembled with the circuit board configured to be received within the front housing; and a rear, metal powder injection molded housing assembled to the rear side of the front housing, the front housing having a rear surface and including a pocket portion formed inward toward the front side, and the rear housing including front edges and protrusions extending in lateral directions from the front edges and an insertion portion accommodated in the pocket portion.
    Type: Grant
    Filed: October 1, 2020
    Date of Patent: August 9, 2022
    Assignee: Hyundai Mobis Co., Ltd.
    Inventors: Hyung Min Kim, Sang Hwan Oh
  • Patent number: 11373722
    Abstract: A memory device includes a first pad, a second pad, and a double data rate (DDR) test controller. The first pad may receive a write enable signal. The second pad may receive a data strobe signal. The DDR test controller is connected to the first pad and the second pad and outputs an internal write enable signal and an internal data strobe signal. The DDR test controller generates the internal data strobe signal based on the write enable signal received through the first pad, in at least a portion of a DDR test operation of the memory device.
    Type: Grant
    Filed: January 14, 2021
    Date of Patent: June 28, 2022
    Assignee: SK hynix Inc.
    Inventor: Sang Hwan Kim
  • Patent number: 11360312
    Abstract: A display device includes a display panel including a substrate and a plurality of display elements disposed on the substrate, and a diffraction panel including a plurality of diffraction patterns disposed on a path of light emitted from the plurality of display elements. The plurality of diffraction patterns are disposed in a first direction to have a first period, each of the plurality of diffraction patterns includes a first refractive layer, a second refractive layer disposed on the first refractive layer, and a third refractive layer disposed on the second refractive layer, and a refractive index of the second refractive layer is higher than a refractive index of the first refractive layer and a refractive index of the third refractive layer.
    Type: Grant
    Filed: August 27, 2020
    Date of Patent: June 14, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Chung Sock Choi, Hyun Ho Kim, So Young Lee, Sang Hwan Cho
  • Publication number: 20220163384
    Abstract: Exemplary nanoparticle and method for inducing photon avalanching using a nanoparticle can be provided. The nanoparticle can include, for example, at least 99% thulium doped nanocrystals of the nanoparticle. The nanoparticle can be composed of solely thulium. An atomic concentration of the thulium can be at least 8%. A near infrared excitation wavelength of the nanocrystals can be greater than about 1064 nm. The near infrared excitation wavelength can be between about 1400 nm to about 1490 nm. A passivated shell(s) can be included which can surround the nanocrystals.
    Type: Application
    Filed: November 19, 2021
    Publication date: May 26, 2022
    Inventors: P. JAMES SCHUCK, CHANGWAN LEE, EMMA XU, KAIYUAN YAO, EMORY CHAN, BRUCE COHEN, AYELET TEITELBOIM, YAWEI LIU, YUNG DOUG SUH, SANG HWAN NAM
  • Patent number: 11339288
    Abstract: A photocurable composition is provided. The photocurable composition includes: a urethane acrylamide oligomer derived from a first urethane prepolymer having an isocyanate end group and a polar group-containing acrylamide; a urethane acrylate oligomer derived from a second urethane prepolymer having an isocyanate end group and a polar group-containing (meth)acrylate; and an amide group-containing acrylic polymer derived from acrylamide and a polar group-containing (meth)acrylate.
    Type: Grant
    Filed: November 6, 2018
    Date of Patent: May 24, 2022
    Inventors: Sang Hwan Kim, Sle Lee, Jang Soon Kim, Kwang Su Seo
  • Publication number: 20220130436
    Abstract: A memory device, and a method of operating the same, includes a plurality of pages, a peripheral circuit, and control logic. The peripheral circuit is configured to receive a command, an address, and data from an external controller to program a page selected from among the plurality of pages, and to generate internal input data depending on an input mode for the command, the address, and the data. The control logic is configured to determine whether internal input data is to be generated based on the data depending on the input mode and to control the peripheral circuit so that a program operation of programming the internal input data is performed.
    Type: Application
    Filed: April 28, 2021
    Publication date: April 28, 2022
    Applicant: SK hynix Inc.
    Inventor: Sang Hwan KIM
  • Patent number: 11312306
    Abstract: a camera-puddle lamp integrated apparatus is disclosed. The apparatus comprising a lens module; an image sensor; and a puddle lamp module, the puddle lamp module includes a light source, a spring, a sliding bar, and a solenoid and is disposed in a second area outside the first area, the light source is formed to be movable to be located in the first area or the second area, the light source is fixed to one side of the sliding bar, a moving part of the solenoid is connected to the other side of the sliding bar, and the spring is formed to be operated to move the sliding bar when the solenoid is switched to a non-operational state so as to move the light source to the second area, the camera-puddle lamp integrated apparatus operates as a puddle lamp when the light source moves to the first area, and the camera-puddle lamp integrated apparatus operates as a camera when the light source moves to the second area.
    Type: Grant
    Filed: June 10, 2021
    Date of Patent: April 26, 2022
    Assignee: HYUNDAI MOBIS CO., LTD.
    Inventors: Won Moo Lee, Sang Hwan Oh, Eun Ho Choi, Hyun Seok Lee, Tae Youn Lee
  • Patent number: 11309099
    Abstract: The present invention relates to a disposal container and a storage system for high-level radioactive waste and, more specifically, to a disposal container for high-level radioactive waste using multiple barriers and a barrier system using thereof, the disposal container having the multiple barriers consisting of an inner wall made of carbon steel for excellent corrosion resistance and ease of manufacture, a middle wall made of Inconel, which is bonded to a lateral surface of the inner wall, and an outer wall made of copper, which is bonded to a lateral surface of the middle wall.
    Type: Grant
    Filed: August 21, 2019
    Date of Patent: April 19, 2022
    Assignee: KOREA RADIOACTIVE WASTE AGENCY
    Inventors: Seung-Hyun Kim, Hyung-Jin Kim, Hyung-Ju Yun, Chang-Min Shin, Min-Seok Kim, Jeong-Hwan Lee, Sang-Hwan Lee, Man-Ho Han, Tae-Man Kim