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).

  • Method of Producing Dechlorinated Waste Plastic Pyrolysis Oil
    Publication number: 20230399573
    Abstract: Provided is a method of producing dechlorinated waste plastic pyrolysis oil. The method includes (S1) putting a waste plastic feedstock containing moisture into a reactor; (S2) pyrolyzing the waste plastic feedstock by heating the reactor to a target temperature Tf at a heating rate R1 of 2° C./min or less; and (S3) recovering pyrolysis oil pyrolyzed in the reactor. Step (S2) includes one or more temperature plateaus in which a predetermined temperature T1 is maintained at a temperature of 100° C. or higher for a predetermined time.
    Type: Application
    Filed: May 22, 2023
    Publication date: December 14, 2023
    Inventors: Sang Hwan Jo, Soo Kil Kang, Ho Won Lee, Jae Heum Jung, Se Rah Moon
  • DISPLAY DEVICE INCLUDING PHOTO-SENSING PIXELS
    Publication number: 20230329020
    Abstract: A display device includes a substrate; and a plurality of unit pixels disposed on the substrate and including sub-pixels and photo-sensing pixels. Each of the sub-pixels includes a light emitting element and a light emitting area from which light is emitted. Each of the photo-sensing pixels includes a light receiving area and a light receiving element disposed therein and outputting a sensing signal corresponding to a degree of sensed light. The light emitting area and the light receiving area are spaced apart from each other on the substrate. The light emitting area and the light receiving area each have a polygonal shape. Aa shape of the light emitting area is different from a shape of the light receiving area.
    Type: Application
    Filed: January 27, 2023
    Publication date: October 12, 2023
    Inventors: Kwang Soo Bae, Gun Hee Kim, Dae Young Lee, Sang Hwan Cho
  • SELECTIVE SMART AIR-SURFACE STERILIZATION SYSTEM BASED ON OCCUPIED SITUATION AND EMPTY SITUATON
    Publication number: 20230310673
    Abstract: A smart air-surface sterilization system of the present disclosure automatically determines an occupied situation or an empty situation of an indoor space and performs air sterilization using Ultra-Violet C (UVC) in the occupied situation and surface sterilization using UVC in the empty situation.
    Type: Application
    Filed: November 18, 2022
    Publication date: October 5, 2023
    Inventors: Sang-Hwan BAE, Jung-Yeon YU
  • Vehicle camera having high glass transition temperature lens
    Patent number: 11774640
    Abstract: A vehicle camera is disclosed. A vehicle camera according to at least one embodiment includes a water-repellent coating layer configured to allow a contact angle of water droplets to be formed at at least a predetermined angle, a reflective member having a reflective surface configured to change an optical path, a lens group including at least one or more lenses that have high heat resistance and a glass transition temperature of 140° C. or higher, and an optical filter group including at least one or more optical filters, wherein the water-repellent coating layer, the reflective member, the lens group, and the optical filter group are arranged in order of appearance from an object side along an optical axis.
    Type: Grant
    Filed: September 23, 2020
    Date of Patent: October 3, 2023
    Assignee: HYUNDAI MOBIS CO., LTD.
    Inventors: Tae Youn Lee, Sang Hwan Oh, Eun Ho Choi
  • Display device and head mount display device
    Patent number: 11770949
    Abstract: A display device comprising: a substrate; a plurality of display elements disposed on the substrate; and a diffraction pattern layer disposed on a path of light emitted from the plurality of display elements. The diffraction pattern layer comprises a plurality of diffraction patterns which is disposed with a predetermined pitch, and the plurality of diffraction patterns do not overlap the plurality of display elements; and when a width of a cross section of each of the plurality of diffraction patterns is defined as a length of each diffraction pattern, the predetermined pitch and the length of each diffraction pattern satisfy the following inequation: 0.4?d1/DP1<1, where DP1 denotes the predetermined pitch, and d1 denotes the length of each diffraction pattern.
    Type: Grant
    Filed: November 30, 2020
    Date of Patent: September 26, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Sang Hwan Cho, Chung Sock Choi, Hyun Ho Kim, So Young Lee, Cheol Jang, Sun Young Jung
  • Magnetic memory device and method for fabricating the same
    Patent number: 11735241
    Abstract: A magnetic memory device includes a pinned layer, a free layer, a tunnel barrier layer between the pinned layer and the free layer, a first oxide layer spaced apart from the tunnel barrier layer with the free layer therebetween, and a second oxide layer spaced apart from the free layer with the first oxide layer therebetween. The first oxide layer includes an oxide of a first material and may have a thickness of 0.3 ? to 2.0 ?. The second oxide layer may include an oxide of a second material and may have a thickness of 0.1 ? to 5.0 ?. A first oxygen affinity of the first material may be greater than a second oxygen affinity of the second material.
    Type: Grant
    Filed: March 16, 2021
    Date of Patent: August 22, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hee Ju Shin, Sang Hwan Park, Se Chung Oh, Ki Woong Kim, Hyeon Woo Seo
  • Syntactic analysis apparatus and method for the same
    Patent number: 11714960
    Abstract: A syntactic analysis apparatus according to an embodiment of the present disclosure may include an input device receiving a phrase uttered from a user, and a learning device performing at least one or more of extension of an intent output layer for classifying an utterance intent of the user from the uttered phrase and extension of a slot output layer for classifying a slot including information of the phrase and extending a pre-generated utterance syntactic analysis model, such that the uttered phrase is classified into the extended intent output layer and the extended slot output layer, thereby broadly classifying an intent and a slot for the phrase uttered from a user.
    Type: Grant
    Filed: June 15, 2020
    Date of Patent: August 1, 2023
    Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION, HYUNDAI AUTOEVER CORP., SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION
    Inventors: Sung Soo Park, Chang Woo Chun, Chan Ill Park, Su Hyun Park, Jung Kuk Lee, Hyun Tae Kim, Sang goo Lee, Kang Min Yoo, You Hyun Shin, Ji Hun Choi, Sang Hwan Bae
  • BATTERY PACK INCLUDING SURFACE PRESSURE MAINTAINING STRUCTURE
    Publication number: 20230231257
    Abstract: Provided is a battery pack including a surface pressure maintaining structure is provided, which includes a battery cell and a surface pressure maintaining part that is disposed on one side of the battery cell and applies a surface pressure to the battery cell, wherein the surface pressure maintaining part includes a pair of inclination members that are arranged between the battery cells, move in a horizontal direction to press the battery cell, and have spaces therein, and an insertion member that is inserted between the pair of inclination members, allows the inclination members to slide, and has a space therein.
    Type: Application
    Filed: October 21, 2022
    Publication date: July 20, 2023
    Inventors: Sung Su KIM, Sang Hwan Park
  • Variable resistance memory device
    Patent number: 11706931
    Abstract: A variable resistance memory device including a substrate; horizontal structures spaced apart from each other in a first direction perpendicular to a top surface of the substrate; variable resistance patterns on the horizontal structures, respectively; and conductive lines on the variable resistance patterns, respectively, wherein each of the horizontal structures includes a first electrode pattern, a semiconductor pattern, and a second electrode pattern arranged along a second direction parallel to the top surface of the substrate, and each of the variable resistance patterns is between one of the second electrode patterns and a corresponding one of the conductive lines.
    Type: Grant
    Filed: April 14, 2021
    Date of Patent: July 18, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jae Hoon Kim, Sang Hwan Park, Yong-Sung Park, Hyeonwoo Seo, Se Chung Oh, Hyun Cho
  • Substrate-free adhesive tape
    Patent number: 11674061
    Abstract: A substrate-free adhesive tape that is excellent in adhesive physical properties and is suitable for a continuous process is provided. The substrate-free adhesive tape includes a release film, and an adhesive layer provided on one surface of the release film and the adhesive layer containing a cured product of an adhesive composition, wherein when the release film is fixed on the outer surface of a semicircular tip part of a jig, the semicircular tip part having a radius of 22.5 mm, a breaking distance of the adhesive layer is 110 mm or less when the adhesive layer is stretched at a rate of 20 m/min from a semicircular center of the semicircular tip part toward an outermost direction of the semicircular tip part.
    Type: Grant
    Filed: August 6, 2019
    Date of Patent: June 13, 2023
    Inventors: Ki Seung Seo, Ji Hye Kim, Sang Hwan Kim, Jun Hyoung Park, Kyung Jun Yoon
  • CONSTRUCTING METHOD FOR DELAYING CORROSION OF RADIOACTIVE WASTE DISPOSAL CONTAINER IN CONCRETE DISPOSAL VAULT
    Publication number: 20230178261
    Abstract: The present invention relates to a constructing method for delaying corrosion of radioactive waste disposal container in concrete disposal vault and, more specifically, to a constructing method for delaying corrosion of radioactive waste disposal container in concrete disposal vault in which backfill, placed to the top, combines pH control capsules, thereby dissolving the pH control capsules in rainwater, and a pH controller, inside, is discharged, thereby preventing decrease of pH of the backfill below 8.5 and delaying corrosion in the disposal containers, upon filling in backfill after placing radioactive waste disposal containers in the concrete vault.
    Type: Application
    Filed: November 24, 2022
    Publication date: June 8, 2023
    Inventors: Hae Ryong JUNG, Min Seok KIM, Chang Min SHIN, Seung Hyun KIM, Hyung Ju YUN, Sang Hwan LEE, Man Ho HAN
  • Magnetic memory device having a ferromagnetic element
    Patent number: 11672183
    Abstract: A magnetic memory device includes a reference magnetic structure, a free magnetic structure, and a tunnel barrier pattern therebetween. The reference magnetic structure includes a first pinned pattern, a second pinned pattern between the first pinned pattern and the tunnel barrier pattern, and an exchange coupling pattern between the first pinned pattern and the second pinned pattern. The second pinned pattern includes magnetic patterns and non-magnetic patterns, which are alternately stacked. The first pinned pattern is a ferromagnetic pattern consisted of a ferromagnetic element.
    Type: Grant
    Filed: February 27, 2020
    Date of Patent: June 6, 2023
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sang Hwan Park, Jae Hoon Kim, Younghyun Kim
  • SYSTEM FOR MONITORING ELECTRICAL PROPERTIES OF MATERIALS OF DEEP BEDROCK SAMPLES FOR ESTIMATING NUCLIDE MOVEMENT IN DISPOSAL SITE OF SPENT FUEL
    Publication number: 20230160869
    Abstract: The present invention relates to a system for monitoring electrical properties of materials of deep bedrock samples for estimating nuclide movement in disposal site of spent fuel and, more specifically, to a system for monitoring electrical properties of materials of deep bedrock samples for estimating nuclide movement in disposal site of spent fuel which installs a tube wherein ring-shaped potential electrode is formed in multi layers inside a column; adheres the potential electrode to deep bedrock samples by pressing on the external side of the tube while filling the deep bedrock samples inside of the tube; and reproduces real condition of deep bedrock and monitors precisely by measuring electrical resistivity for each location of the deep bedrock samples while injecting nuclide and underground water to the inside the tube.
    Type: Application
    Filed: November 24, 2022
    Publication date: May 25, 2023
    Inventors: Hae Ryong JUNG, Min Seok KIM, Chang Min SHIN, Seung Hyun KIM, Hyung Ju YUN, Sang Hwan LEE, Man Ho HAN, Jung Hwan LEE
  • PHOTOCURABLE COMPOSITION, COATING LAYER COMPRISING CURED PRODUCT THEREOF, AND SUBSTRATE FOR SEMICONDUCTOR PROCESS
    Publication number: 20230151123
    Abstract: The present disclosure provides a photocurable composition, which has excellent coatability and is capable of providing a coating layer having excellent surface quality and thickness uniformity, a coating layer including a cured product of the photocurable composition, and a substrate for a semiconductor process including the coating layer.
    Type: Application
    Filed: July 22, 2021
    Publication date: May 18, 2023
    Applicant: LG CHEM, LTD.
    Inventors: Sang Hwan KIM, Jung Woo CHOI, Ki Seung SEO, Kwang Su SEO, Jun Beom PARK, Won Seup CHO
  • POLYURETHANE-BASED ADHESIVE COMPOSITION, SURFACE PROTECTION FILM COMPRISING SAME, METHOD FOR MANUFACTURING SURFACE PROTECTION FILM, AND METHOD FOR MANUFACTURING ORGANIC LIGHT-EMITTING ELECTRONIC DEVICE
    Publication number: 20230151249
    Abstract: The present specification relates to a polyurethane-based adhesive composition, a surface protective film comprising the same, a method for preparing a surface protective film, and a method for manufacturing an organic light emitting electronic device.
    Type: Application
    Filed: September 7, 2021
    Publication date: May 18, 2023
    Inventors: Jinhoo Kim, Sang Hwan Kim, Kwang Su Seo
  • Method for preparing thermoplastic polyurethane film and thermoplastic polyurethane film prepared thereby
    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
  • HIGH STRENGTH STEEL SHEET HAVING SUPERIOR WORKABILITY AND METHOD FOR MANUFACTURING SAME
    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
  • PREPREG, PREPARATION METHOD THEREOF AND FIBER REINFORCED COMPOSITE MATERIAL PREPARED THEREFROM
    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
  • SUBSTRATE TREATING APPARATUS AND SUBSTRATE TREATING SYSTEM
    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
  • Method of preparing acrylic adhesive and adhesive film prepared therefrom
    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