Patents by Inventor Ji-Min Lee

Ji-Min Lee 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: 20240124301
    Abstract: Disclosed is a single process for producing hydrogen, carbon monoxide, and carbon from methane by forming gas products comprising hydrogen and carbon monoxide, and solid products comprising carbon and an iron-based catalyst from methane in a methane-containing feedstock through pyrolysis route involving auto-thermal reduction in a rotary kiln-type reactor in the presence of an iron-based catalyst and separating and recovering respective products.
    Type: Application
    Filed: September 18, 2023
    Publication date: April 18, 2024
    Inventors: Dong Min YUN, Jung Geun JANG, Ji Hoon LEE, Ye Rhee CHA
  • Patent number: 11961851
    Abstract: A laser apparatus includes a laser generator configured to generate a first laser beam proceeding along a first direction, and an inversion module configured to convert the first laser beam to a second laser beam proceeding along the first direction, the inversion module including a splitter configured to form a reflected laser beam by partially reflecting the first laser beam, and a transmitted laser beam by partially transmitting the first laser beam, and a prism configured to reflect the reflected laser beam.
    Type: Grant
    Filed: February 15, 2022
    Date of Patent: April 16, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Dong-min Lee, Ji-Hwan Kim, Jongoh Seo, Byung Soo So, Dong-Sung Lee, Jonghoon Choi
  • Patent number: 11961223
    Abstract: An apparatus for predicting performance of a wheel in a vehicle: includes a learning device that generates a latent space for a plurality of two-dimensional (2D) wheel images based on a convolutional autoencoder (CAE), extracts a predetermined number of the plurality of 2D wheel images from the latent space, and learns a dataset having the plurality of 2D wheel images and performance values corresponding to the plurality of 2D wheel images; and a controller that predicts performance for the plurality of 2D wheel images based on a performance prediction model obtained by the learning device.
    Type: Grant
    Filed: April 20, 2021
    Date of Patent: April 16, 2024
    Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATION, SOOKMYUNG WOMEN'S UNIVERSITY INDUSTRY-ACADEMIC COOPERATION FOUNDATION
    Inventors: Jong Ho Park, Chang Gon Kim, Chul Woo Jung, Sang Min Lee, Min Kyoo Kang, Ji Un Lee, Kwang Hyeon Hwang, Nam Woo Kang, So Young Yoo, Seong Sin Kim, Sung Hee Lee
  • Patent number: 11962001
    Abstract: Disclosed is a positive electrode material for a lithium secondary battery. The positive electrode material includes a positive electrode active material formed of Li—[Mn—Ti]-M-O-based material including a transition metal (M) to enable reversible intercalation and deintercalation of lithium and molybdenum oxide. The positive electrode active material is coated with the molybdenum oxide to form a coating layer on a surface thereof.
    Type: Grant
    Filed: October 6, 2021
    Date of Patent: April 16, 2024
    Assignees: Hyundai Motor Company, Kia Corporation, Industry Academy Cooperation Foundation of Sejong University
    Inventors: Seung Min Oh, Jun Ki Rhee, Yoon Sung Lee, Ji Eun Lee, Sung Ho Ban, Ko Eun Kim, Woo Young Jin, Sang Mok Park, Sang Hun Lee, Seung Taek Myung, Hee Jae Kim, Min Young Shin
  • Publication number: 20240118661
    Abstract: Provided is a holographic optical element printing method using a tunable focus lens and a rotating mirror. According to an embodiment, a holographic printer includes: a first optical engine and a second optical engine configured to adjust a phase of an incident collimated beam and emit the collimated beam; and a first reduction optical system and a second reduction optical system configured to reduce the beam emitted from the first optical engine and the second optical engine and to allow the beam to enter a holographic material, wherein each of the first optical engine and the second optical engine includes: a rotating mirror configured to reflect while adjusting the phase of the incident collimated beam through rotation; and a tunable focus lens configured to refract while adjusting the phase of the incident collimated beam reflected from the rotating mirror through focus tuning.
    Type: Application
    Filed: December 15, 2021
    Publication date: April 11, 2024
    Applicant: Korea Electronics Technology Institute
    Inventors: Ji Soo HONG, Sung Hee HONG, Young Min KIM, Jin Soo JEONG, Byoung Hyo LEE
  • Publication number: 20240119673
    Abstract: Provided is a cognitive experiment method for change in periphery region image quality for parameter determination of a foveated hologram. According to an embodiment, a cognitive experiment method for determining foveated image parameters includes: generating a foveated image which includes a foveal region and a periphery region while reducing image quality regarding the periphery region; displaying the generated foveated image; receiving an input of a response to image quality of the periphery region from a subject; and collecting information regarding appropriate image quality of the periphery region, based on the response inputted by the subject. Accordingly, in applying a foveated hologram generation algorithm for real-time reproduction, various parameters such as a boundary between a foveal region image and a periphery region image in a foveated hologram, and a degree of quality degradation of the periphery region image may be appropriately determined through a cognitive experiment.
    Type: Application
    Filed: December 15, 2021
    Publication date: April 11, 2024
    Applicant: Korea Electronics Technology Institute
    Inventors: Ji Soo HONG, Sung Hee HONG, Young Min KIM, Jin Soo JEONG, Byoung Hyo LEE
  • Publication number: 20240111250
    Abstract: Provided is a hologram image normalization method for a holographic printer. In a holographic printing method according to an embodiment, generating, encoding, and normalizing for the (n+1)-th hogel are performed in parallel with loading and recording of a normalized hologram for the n-th hogel, and moving and waiting for the (n+1)-th hogel. Accordingly, a global maximum value and a global minimum value for normalization may be calculated as approximate estimation values, and a hologram generation process and a printing process may be performed in parallel, so that a total printing time may be minimized and memory usage may be optimized when holographic printing is performed.
    Type: Application
    Filed: December 15, 2021
    Publication date: April 4, 2024
    Applicant: Korea Electronics Technology Institute
    Inventors: Ji Soo HONG, Sung Hee HONG, Young Min KIM, Jin Soo JEONG, Byoung Hyo LEE
  • Patent number: 11944948
    Abstract: Disclosed is a composite for forming a coacervate interfacial film. The composite for forming the coacervate interfacial film contains a cationic hectorite nanoplate-shaped particle structure containing a hectorite nanoplate-shaped particle and a cationic surfactant coupled to a surface of the hectorite nanoplate-shaped particle, and an anionic cellulose nanofibril containing an anionic functional group in at least a portion thereof, in which the composite may form the coacervate interfacial film at an interface of an oil phase and a water phase through electrostatic interaction between the cationic surfactant and the anionic functional group.
    Type: Grant
    Filed: May 10, 2022
    Date of Patent: April 2, 2024
    Assignees: RESEARCH & BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITY, SUNJIN BEAUTY SCIENCE CO., LTD.
    Inventors: Jin Woong Kim, Yeong Sik Cho, Ji Woo Bae, Hye Min Seo, Kyoung Hee Shin, Sung Ho Lee
  • Publication number: 20240107143
    Abstract: A display device includes a display portion including a first surface, from which light is emitted in a first direction, and a second surface opposite to the first surface, a first optical portion disposed on the first surface, and a second optical portion disposed on the first surface to be spaced apart from the first optical portion in a second direction crossing the first direction. Each of the first and second optical portions includes a multi-channel lens through which the light from the first surface passes, a first infrared light source, a first camera, and a first lens frame coupled to the multi-channel lens in the first direction to support at least a portion of the multi-channel lens. The first lens frame may include a first recess structure in which the first infrared light source is disposed and a second recess structure in which the first camera is disposed.
    Type: Application
    Filed: July 20, 2023
    Publication date: March 28, 2024
    Inventors: Ji Won LEE, Sang Ho KIM, Soo Min BAEK, Ju Youn SON, Cheon Myeong LEE, Bek Hyun LIM, Ju Hwa HA
  • Publication number: 20240104195
    Abstract: Disclosed herein are an apparatus and method for updating an Internet-based malware detection engine using virtual machine scaling. The method may include creating a scaling group and an update group set based on a first virtual machine image, creating a second virtual machine image for a running virtual machine in response to occurrence of a snapshot event in the virtual update group run based on the first virtual machine image, modifying the scale-out image of the scaling group to the second virtual machine image, updating the scaling group by triggering a scale-out event and a scale-in event in the scaling group in response to occurrence of an update event, and modifying the scale-in image of the scaling group to the second virtual machine image.
    Type: Application
    Filed: June 15, 2023
    Publication date: March 28, 2024
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Sang-Min LEE, Ki-Jong KOO, Jung-Tae KIM, Ji-Hyeon SONG, Jong-Hyun KIM, Dae-Sung MOON
  • Publication number: 20240101803
    Abstract: Disclosed are a thermoplastic elastomeric composition for vehicle mounts which has improved surface energy and compression set while solving reduction in wear strength, by blending EPDM rubber, polypropylene, silicon, and poly(styrene-ethylene-butadiene-styrene) (SEBS) in appropriate amounts, and a molded article including the same.
    Type: Application
    Filed: May 2, 2023
    Publication date: March 28, 2024
    Inventors: Sang Hyun Lee, Young Chul Shin, Ji Hye Park, Ki Hyun Cho, Han Sang Lee, Kyoung Min Hong, Ki Jae Kim
  • Patent number: 11943987
    Abstract: A color conversion substrate and a display device are provided. The color conversion substrate includes a base substrate, a first color filter and a second color filter disposed on a surface of the base substrate, a first partition layer disposed between the first color filter and the second color filter, a second partition layer disposed on the first partition layer, a first wavelength conversion pattern disposed on the first color filter and a second wavelength conversion pattern disposed on the second color filter, wherein the first partition layer includes a first lower surface disposed on the first color filter and a second lower surface disposed on the second color filter.
    Type: Grant
    Filed: June 11, 2020
    Date of Patent: March 26, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Gak Seok Lee, Byung Chul Kim, In Ok Kim, Jae Min Seong, In Seok Song, Keun Chan Oh, Ji Eun Jang, Chang Soon Jang, Sun Kyu Joo, Ha Lim Ji
  • Patent number: 11943994
    Abstract: A display device and a method of manufacturing the same are provided. The display device, comprises a first base substrate, a first barrier layer disposed on the first base substrate, a second base substrate disposed on the first barrier layer, at least one transistor disposed on the second base substrate, and an organic light emitting diode disposed on the at least one transistor, wherein the first barrier layer includes a silicon oxide, and has an adhesion force of 200 gf/inch or more to the second base substrate.
    Type: Grant
    Filed: August 17, 2021
    Date of Patent: March 26, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Chul Min Bae, Eun Jin Kwak, Jin Suk Lee, Jung Yun Jo, Ji Hye Han, Young In Hwang
  • Publication number: 20240087843
    Abstract: The inventive concept provides a substrate treating method. The substrate treating method includes taking in a substrate to a treating space to mount on a support unit; upwardly moving the support unit after mounting the substrate on the support unit; determining whether the support unit moves normally after the upwardly moving the support unit; and treating the substrate by generating a plasma in the treating space, and wherein at the determining whether the support unit moves normally, before the plasma is generated at the treating space at the treating the substrate, whether a pulse distance matching a predetermined distance data according to a pulse value of a driving unit which pulse-moves a moving body which moves the support unit in a top/down direction, matches a movement distance of the moving body is determined, and an interlock is generated if the pulse distance and the movement distance is different.
    Type: Application
    Filed: September 6, 2023
    Publication date: March 14, 2024
    Inventors: JONG CHAN LEE, YONG IK OH, JI TAE KWON, SEONG MIN NAM
  • Publication number: 20240079697
    Abstract: Disclosed are a method for manufacturing a secondary battery pouch film having at least an outer layer, a metal layer, a primer layer, and a sealant layer, or at least an outer layer, a metal layer, a primer layer, a melt-extrusion resin layer, and a sealant layer in this order, the method including: a drying process of applying and heating a primer layer composition on the metal layer so as to dry the primer layer composition and cure at least a part of the primer layer composition. The organic solvent-based emulsion composition contains acid-modified polypropylene and a curing agent and has a curing start temperature of 150° C. or lower, preferably 135° C. to 150° C., and a drying process temperature of 150° C. or lower, preferably 135° C. to 150° C. The method is not subjected to a thermal lamination process when laminating sealant layer.
    Type: Application
    Filed: November 7, 2023
    Publication date: March 7, 2024
    Applicant: Youlchon Chemical Co., Ltd.
    Inventors: Nok Jung Song, Han Chul Park, Hee Sik Han, Ji Min Lee
  • Publication number: 20240075318
    Abstract: The present disclosure relates to a method for carrying out dose delivery quality assurance for high-precision radiation treatment, in which parameters affecting a pass rate of dose delivery quality assurance can be derived through regression analysis, which is a known statistical analysis method, and a pass rate prediction model capable of predicting each parameter and the pass rate of dose delivery quality assurance can be derived, and accordingly, it can be predicted in advance whether dose delivery quality assurance will be passed according to the parameters through the above prediction model, without repeatedly carrying out dose delivery quality assurance according to a patient's treatment plan, and as a result, the efficiency of dose delivery quality assurance can be enhanced, and the time or capacity required for such quality assurance is reduced, such that radiation treatment for an actual patient can be quickly and precisely carried out.
    Type: Application
    Filed: December 22, 2021
    Publication date: March 7, 2024
    Inventors: Young Nam KANG, Ji Na KIM, Hong Seok JANG, Byung Ock CHOI, Yun Ji SEOL, Tae Geon OH, Na Young AN, Jae Hyeon LEE, Kyu Min HAN, Ye Rim SHIN
  • Publication number: 20240079642
    Abstract: The present invention relates to a method for preparing an alkali metal ion conductive chalcogenide-based solid electrolyte, a solid electrolyte prepared thereby, and an all-solid-state battery comprising the same.
    Type: Application
    Filed: January 11, 2022
    Publication date: March 7, 2024
    Applicant: KOREA ELECTROTECHNOLOGY RESEARCH INSTITUTE
    Inventors: Yoon Cheol HA, Sang Min LEE, Byung Gon KIM, Gum Jae PARK, Jun Woo PARK, Jun Ho PARK, Ji Hyun YU, Won Jae LEE, You Jin LEE, Hae Young CHOI
  • Patent number: 11918531
    Abstract: Provided is a thermotherapy device, which includes a first housing (10), a second housing (20) disposed under the first housing (10), a transfer plate (30), at both sides of which transfer rollers (31) are provided, and a pair of guide rails (40) that is provided to the second housing (20) and on which the respective transfer rollers (31) of the transfer plate (30) are placed. The pair of guide rails (40) are integrally molded when the second housing (20) is injection-molded. Thus, since the guide rails on which the transfer rollers of the transfer plate travel are integrally molded when the second housing is injection-molded, inefficiency caused by mounting separate rails as in the related art is removed, and thereby assemblability, productivity, and economic efficiency of the thermotherapy device can be improved.
    Type: Grant
    Filed: February 26, 2020
    Date of Patent: March 5, 2024
    Assignee: Ceragem Co., Ltd.
    Inventors: Dong Myoung Lee, Sang Min Lee, Ho Sang Yu, Ji Hoon Park, Sang Ui Choi
  • Patent number: 11923216
    Abstract: An apparatus and method for treating a substrate are provided. The apparatus includes at least one first process chamber configured to supply a developer onto the substrate; at least one second process chamber configured to treat the substrate using a supercritical fluid; a transfer chamber configured to transfer the substrate from the at least one first process chamber to the at least one second process chamber, while the developer supplied in the at least one first process chamber remains on the substrate; and a temperature and humidity control system configured to manage temperature and humidity of the transfer chamber by supplying a first gas of constant temperature and humidity into the transfer chamber.
    Type: Grant
    Filed: August 22, 2022
    Date of Patent: March 5, 2024
    Assignees: SAMSUNG ELECTRONICS CO., LTD., SEMES CO., LTD.
    Inventors: Seung Min Shin, Sang Jin Park, Hae Won Choi, Jang Jin Lee, Ji Hwan Park, Kun Tack Lee, Koriakin Anton, Joon Ho Won, Jin Yeong Sung, Pil Kyun Heo
  • Patent number: 11922860
    Abstract: Provided is a pixel driving circuit including a first circuit configured to control, in a data writing mode, a signal related to driving of one or more light-emitting elements, and a second circuit configured to supply, in a driving mode, power to the one or more light-emitting elements based on a signal transmitted from the first circuit.
    Type: Grant
    Filed: September 16, 2022
    Date of Patent: March 5, 2024
    Assignee: Sapien Semiconductors Inc.
    Inventors: Sung Ho Hwang, Ji Han Kim, Ji Haeng Lee, Hye Min Bae, Dae Young Jung