Patents by Inventor Hyung-Jun An

Hyung-Jun 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).

  • Publication number: 20240190810
    Abstract: A novel compound for a capping layer, and an organic light-emitting device containing the same are disclosed.
    Type: Application
    Filed: December 29, 2023
    Publication date: June 13, 2024
    Inventors: Ho Wan HAM, Hyun Cheol AN, Hee Joo KIM, Dong Jun KIM, Jeong Woo HAN, Hyung Jin LEE, Ja Eun ANN, Dong Yuel KWON, Ill Hun CHO, Bo Ra LEE, Yeong Rong PARK, Il Soo OH, Dae Woong LEE, Hyeon Jeong IM
  • Publication number: 20240190811
    Abstract: A novel compound for a capping layer, and an organic light-emitting device containing the same are disclosed.
    Type: Application
    Filed: December 29, 2023
    Publication date: June 13, 2024
    Inventors: Ho Wan HAM, Hyun Cheol AN, Byung Cheol MIN, Hee Joo KIM, Dong Jun KIM, Hyung Jin LEE, Ja Eun ANN, Dong Yuel KWON, Yeong Rong PARK, Dae Woong LEE, Il Soo OH, Bo Ra LEE, Hyeon Jeong IM, Ill Hun CHO
  • Patent number: 12007801
    Abstract: A capacitor-less low dropout regulator includes: a capacitor-less dual feedback loop unit including a plurality of feedback resistors, an error amplifier, and a transconductance cell to form a main loop passing through the error amplifier and a sub-loop passing through the gm cell without passing through the error amplifier; a dynamic compensation unit connected to a first main pole located at an output of the error amplifier and a second main pole located at an output of the gm cell to provide dynamic frequency compensation using a Miller effect to the first main pole and the second main pole according to a load current of the capacitor-less dual feedback loop unit; and a load current measurement unit configured to measure a load current of a third main pole formed at a load of the dual feedback loop unit to provide the load current to the dynamic compensation unit.
    Type: Grant
    Filed: August 11, 2022
    Date of Patent: June 11, 2024
    Assignee: Korea University Research and Business Foundation
    Inventors: Hyung-Min Lee, Hyun Jun Park
  • Patent number: 12005447
    Abstract: An apparatus and method for bio-particle detection are provided. The apparatus for bio-particle detection includes: a bio-particle detection chip including a substrate having a plurality of through-hole groups, each through-hole group of the plurality of through-hole groups including through-holes which pass through the substrate from a first surface of the substrate toward an second surface of the substrate opposite to the first surface, and which are configured to accommodate a sample solution loaded therein; and a processor configured to determine a number of through-holes, among the through holes of at least one through-hole group of the plurality of through-hole groups, having a target material encapsulated therein, based on at least one of an electrical signal and an optical signal corresponding to the through-holes of the at least one through-hole group, and to estimate a concentration of the target material based on the determined number.
    Type: Grant
    Filed: August 16, 2022
    Date of Patent: June 11, 2024
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Won Jong Jung, Hyeong Seok Jang, Kak Namkoong, Hyung Jun Youn, Jae Hong Lee
  • Publication number: 20240182769
    Abstract: The present disclosure relates to a heat sink paste, a heat sink film and manufacturing methods therefor. The heat sink paste according to an embodiment of the present disclosure includes an elastic polymer resin and conductive particles dispersed in the elastic polymer resin, wherein the conductive particles include solid metal particles and liquid metal particles.
    Type: Application
    Filed: October 29, 2021
    Publication date: June 6, 2024
    Applicant: Foundation for Research and Business, Seoul National University of Science and Technology
    Inventors: Hyung Jun KOO, Ji Hye KIM, Akyildiz KUBRA
  • Publication number: 20240186247
    Abstract: A semiconductor device includes: a substrate including a first face, on which an active area is formed, and a second face opposite to the first face; an electronic element formed on the active area; a front wiring structure disposed on the first face of the substrate and connected to the electronic element; a trench capacitor filling at least a portion of a back trench extending into the substrate from the second face of the substrate; a back wiring structure disposed on the second face of the substrate and connected to the trench capacitor; and a through-via extending through the substrate to electrically connect the electronic element and the back wiring structure to each other.
    Type: Application
    Filed: June 19, 2023
    Publication date: June 6, 2024
    Inventors: Hyung Jun JEON, Ho-Jin Lee
  • Patent number: 11999841
    Abstract: The present disclosure provides a thermoplastic resin composition having high rigidity and a low coefficient of linear thermal expansion and a molded article including the same. The thermoplastic resin composition includes a first propylene-ethylene copolymer, a second propylene-ethylene copolymer, a thermoplastic elastomer, an inorganic filler, and a sodium-phosphate-based nucleating agent as appropriate, and thus a molded article produced therefrom can exhibit improved mechanical rigidity, impact resistance, and dimensional stability. Even when formed to a low thickness for weight reduction, the molded article can be imparted with excellent processability, high tensile strength, a high flexural modulus, and high impact strength.
    Type: Grant
    Filed: July 6, 2022
    Date of Patent: June 4, 2024
    Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATION, GS CALTEX CORPORATION
    Inventors: Jin Young Yoon, Hee Joon Lee, Dong Eun Cha, Sun Jun Kwon, Chun Ho Park, Seung Ryong Jeong, Seok Jin Yong, Hyung Tak Lee
  • Publication number: 20240172790
    Abstract: According to an embodiment of the present disclosure, a method of controlling an aerosol generating device that generates an aerosol based on ultrasonic vibration of a vibrator of the aerosol generating device is provided. The method includes: operating, based on power of the aerosol generating device being turned on, the aerosol generating device in a preheat mode for preheating the vibrator; operating, based on the preheat mode being completed, the aerosol generating device in a power repetition control mode wherein supplying of power to the vibrator and cutting off supply of the power to the vibrator are alternately repeated; and operating, based on a puff of a user being sensed while operating in the power repetition control mode, the aerosol generating device in a puffing mode wherein power is supplied to the vibrator to generate the aerosol.
    Type: Application
    Filed: April 6, 2022
    Publication date: May 30, 2024
    Applicant: KT&G CORPORATION
    Inventors: Wonkyeong LEE, Min Kyu KIM, Jung Ho KIM, Hyung Seok LEE, Heon Jun JEONG, Byung Sung CHO
  • Publication number: 20240170764
    Abstract: An energy storage device is equipped with an intake and exhaust integrated duct. The intake and exhaust integrated duct is capable of achieving a uniform cooling effect in a plurality of battery modules by distributing air to each cell module of a battery.
    Type: Application
    Filed: November 17, 2023
    Publication date: May 23, 2024
    Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION, Duck Yang Industry Co., Ltd.
    Inventors: Sun Jun Kim, Hyung Seok Choi, Hee Jun Do, In Mook Park, Jae Yong Lee, Ki Won Jung
  • Patent number: 11990590
    Abstract: A battery management apparatus and method according to an embodiment of the present disclosure is directed to obtaining a positive electrode profile and a negative electrode profile for a battery cell in a non-destructive manner by appropriately adjusting a preset negative electrode profile. According to one aspect of the present disclosure, by using the battery profile and the adjusted negative electrode profile for the degraded battery cell, there is an advantage that the positive electrode profile of the degraded battery cell may be easily estimated in a non-destructive manner.
    Type: Grant
    Filed: June 3, 2021
    Date of Patent: May 21, 2024
    Assignee: LG ENERGY SOLUTION, LTD.
    Inventors: Du-Seong Yoon, Dong-Wook Koh, Jin-Hyung Lim, Gwang-Hoon Jun, Jeong-Mi Choi, Yoon-Jung Bae
  • Publication number: 20240145655
    Abstract: A display device is disclosed that includes: a substrate; a first conductive layer disposed on the substrate; a first insulating layer positioned on the first conductive layer and having an undercut structure forming an opening; a first capacitor electrode including a portion formed in the undercut structure; a second capacitor electrode including a portion formed in the undercut structure and overlapping the second capacitor electrode to form a capacitor; and a second insulating layer including a portion formed in the undercut structure and positioned between the first capacitor electrode and the second capacitor electrode to function as a dielectric of the capacitor.
    Type: Application
    Filed: September 5, 2023
    Publication date: May 2, 2024
    Inventors: Joon Seok PARK, So Young KOO, Hyung Jun KIM, Geun Chul PARK
  • Publication number: 20240137017
    Abstract: A battery switch driving circuit according to an embodiment of the present invention comprises: a first battery input terminal and a second battery input terminal; a converter positioned between the first battery input terminal and the second battery input terminal; a first switch positioned between the second battery input terminal and the converter, so as to cut off a power input of the second battery input terminal when turned off; and a switch driving unit for turning on the first switch, wherein the switch driving unit comprises: a first capacitor which is charged or discharged according to on/off of a second switch operated by a PWM signal; and a second capacitor which is charged according to on/off of the second switch by a voltage charged in the first capacitor, so as to turn on the first switch.
    Type: Application
    Filed: January 24, 2022
    Publication date: April 25, 2024
    Inventors: Hyung Jun CHAE, Ui Jong KIM
  • Publication number: 20240138260
    Abstract: The present disclosure relates to a plurality of host materials, an organic electroluminescent compound, and an organic electroluminescent device comprising the same. By comprising a specific combination of host compounds and/or an organic electroluminescent compound according to the present disclosure as an organic electroluminescent material, an organic electroluminescent device having low driving voltage and/or high luminous efficiency and/or long lifespan characteristics can be provided.
    Type: Application
    Filed: September 8, 2023
    Publication date: April 25, 2024
    Inventors: Ji-Song JUN, Hong-Se OH, Dong-Hyung LEE, Sang-Hee CHO, Du-Yong PARK, Hyun-Woo KANG, Jin-Man KIM
  • Publication number: 20240129725
    Abstract: A service identifying and processing method using a wireless terminal message according to an exemplary embodiment of the present invention includes (a) receiving a wireless terminal message by a first entity which is a mobile device; and (b) expressing, by a first agent which is an information processing application program installed on the first entity, entity information of second entity based on the wireless terminal message and service confirmation information related to service provided by the second entity, through an application screen by the first agent.
    Type: Application
    Filed: December 23, 2021
    Publication date: April 18, 2024
    Applicant: ESTORM CO., LTD.
    Inventors: Jong Hyun WOO, Tae Il LEE, Il Jin JUNG, Hee Jun SHIN, Hyung Seok JANG, Min Jae SON, Sang Heon BAEK, Seo Bin PARK, Hyo Sang KWON, Mi Ju KIM, Jung Hoon SONG, Rakhmanov DILSHOD, Dong Hee KIM, Jeon Gjin KIM
  • Publication number: 20240128251
    Abstract: A display device includes a first conductive layer disposed on a substrate, a passivation layer disposed on the first conductive layer, a second conductive layer disposed on the passivation layer, a via layer disposed on the second conductive layer, a third conductive layer disposed on the via layer, the third conductive layer including a first electrode, a second electrode, a connection pattern, the first electrode, the second electrode, and the connection pattern being spaced apart from each other, and a light emitting element, a first end and a second end of the light emitting element being disposed on the first electrode and the second electrode, respectively, wherein the connection pattern electrically connects the first conductive layer and the second conductive layer through a first contact hole penetrating the via layer and the passivation layer.
    Type: Application
    Filed: December 26, 2023
    Publication date: April 18, 2024
    Applicant: Samsung Display Co., LTD.
    Inventors: Kyung Jin JEON, So Young KOO, Eok Su KIM, Hyung Jun KIM, Yun Yong NAM, Jun Hyung LIM
  • Publication number: 20240123370
    Abstract: An ion filter for circulating coolant in a fuel cell stack of a fuel cell vehicle includes a housing including an inlet configured so that a fluid is introduced and an outlet configured so that the fluid is discharged, a filter element accommodated in the housing to filter the fluid, a valve assembly provided on the inlet and configured to operate the flow of the fluid introduced into the housing through the inlet to be allowed or blocked, and a gate member provided in the housing and configured to adjust an operation of the valve assembly.
    Type: Application
    Filed: March 2, 2023
    Publication date: April 18, 2024
    Inventors: Kyeong Jun BAEK, Sun Ae Park, Hun Woo Park, Hyung Geun Cho, Young Sang Cho, Sang Pil Byun
  • Patent number: 11963410
    Abstract: A display device includes a substrate including a pixel region and a peripheral region. A plurality of pixels is disposed in the pixel region of the substrate. Each of the plurality of pixels includes a light emitting element. Data lines and scan lines are connected to each of the plurality of pixels. A power line is configured to supply power to the plurality of pixels. The power line includes a plurality of first conductive lines and a plurality of second conductive lines intersecting the plurality of first conductive lines. The plurality of second conductive lines is arranged in a region between adjacent light emitting elements of the plurality of pixels. At least some of the plurality of second conductive lines extend in a direction oblique to a direction of extension of the data lines or the scan lines.
    Type: Grant
    Filed: June 13, 2022
    Date of Patent: April 16, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Yang Wan Kim, Byung Sun Kim, Jae Yong Lee, Chung Yi, Hyung Jun Park, Su Jin Lee
  • Publication number: 20240121983
    Abstract: A thin film transistor includes a substrate; an active layer including a channel area, a first conductive area, and a second conductive area; a gate insulating layer on a portion of the active layer; a first through hole penetrating through a portion of the first conductive area; a second through hole penetrating through a portion of the second conductive area; a gate electrode overlapping the channel area of the active layer; a first electrode electrically connected to the first conductive area; and a second electrode electrically connected to the second conductive area. One side of the first electrode adjacent to the first through hole is parallel to the one side of the first through hole, the first electrode including protrusion parts at both ends thereof and a groove part concavely recessed from the gate electrode.
    Type: Application
    Filed: September 14, 2023
    Publication date: April 11, 2024
    Inventors: So Young KOO, Myoung Hwa KIM, Eok Su KIM, Hyung Jun Kim
  • Patent number: 11942482
    Abstract: A display device according to an embodiment includes a light blocking layer disposed on a substrate; an oxygen supply layer disposed on and contacting the light blocking layer; a semiconductor layer disposed on the oxygen supply layer; and a light emitting diode electrically connected with the semiconductor layer. The semiconductor layer includes an oxide semiconductor, and the oxygen supply layer includes a metal oxide that includes at least one of indium, zinc, gallium, and tin.
    Type: Grant
    Filed: August 10, 2021
    Date of Patent: March 26, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hyung Jun Kim, So Young Koo, Eok Su Kim, Yun Yong Nam, Jun Hyung Lim, Kyung Jin Jeon
  • Patent number: 11938741
    Abstract: An inkjet printing method includes: preparing a shape drawing; creating an image for an inkjet printing based on a color table or a boundary table; applying the image for the inkjet printing to an inkjet apparatus; and performing the inkjet printing based on the image by the inkjet apparatus, where the creating the image for the inkjet printing includes converting the shape drawing into a vector image, converting the vector image into a raster image, and converting the raster image into the image for the inkjet printing which is a black-and-white image.
    Type: Grant
    Filed: March 28, 2022
    Date of Patent: March 26, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Min Kyu Kim, Hyung Jun Kim, Hong-Ju Mun