Patents by Inventor Dae-In Park

Dae-In Park 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: 20240155938
    Abstract: An organic light-emitting device according to the present invention uses a pyrene derivative compound having a characteristic structure as a host in a light-emitting layer to realize a long-lifespan and high-efficiency organic light-emitting device having excellent light-emitting characteristics in terms of lifespan and luminescence efficiency. Accordingly, the organic light-emitting device can be usefully applied, in the industrial aspect, for various display devices such as flat panel, flexible, and wearable displays, as well as lighting devices.
    Type: Application
    Filed: February 15, 2022
    Publication date: May 9, 2024
    Inventors: Se-jin LEE, Si-in KIM, Seok-bae PARK, Hee-dae KIM, Yeong-tae CHOI, Seung-soo LEE, Ji-yung KIM, Kyeong-hyeon KIM, Kyung-tae KIM, Myeong-jun KIM, Tae-gyun LEE, Joon-ho KIM
  • Publication number: 20240151758
    Abstract: Disclosed herein is an apparatus for measuring physical properties of hairpin coils, which includes a current sensor configured to apply a current for each frequency to a material of a hairpin coil to measure an induced current applied to the material, and a measurement processor configured to measure physical properties of the material by measuring an impedance of the material with the induced current measured by the current sensor and applying the impedance to a model established in the material.
    Type: Application
    Filed: June 26, 2023
    Publication date: May 9, 2024
    Applicants: HYUNDAI MOBIS CO., LTD., RESEARCH & BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITY
    Inventors: Ji Hyun PARK, Dong Wook YANG, Eun Ho LEE, Young Dae SHIM
  • Publication number: 20240146263
    Abstract: A differential amplifier according to an embodiment can be provided in a data driving device for driving pixels of a display panel. The differential amplifier can improve the slew rate of the differential amplifier by supplying dynamic current to an input circuit stage and/or a current mirror circuit stage of the differential amplifier through a boosting circuit stage.
    Type: Application
    Filed: October 27, 2023
    Publication date: May 2, 2024
    Applicant: LX SEMICON CO., LTD.
    Inventors: Sang Duk YU, Ho Jong PARK, Tae Jun AHN, Sung Dae YEO
  • Patent number: 11965244
    Abstract: The present invention disclosed herein relates to a substrate processing method, and more particularly, to: a substrate processing method in which a flow rate of a process gas in a depressurizing operation is regulated in a pressure changing process for improving properties of a thin film; a substrate processing apparatus using the substrate processing method; and a semiconductor manufacturing method.
    Type: Grant
    Filed: August 25, 2021
    Date of Patent: April 23, 2024
    Assignee: WONIK IPS CO., LTD
    Inventors: Kyung Park, Hyeon Beom Gwon, Dae Seong Lee
  • Patent number: 11961673
    Abstract: A multilayer ceramic electronic component includes a ceramic body comprising dielectric layers and first and second internal electrodes laminatedly disposed in a third direction with respective dielectric layers interposed therebetween, and first electrode and second external electrodes disposed on both surfaces of the ceramic body in the first direction and electrically connected to the first and second internal electrodes. When an absolute value of a horizontal angle in the second direction of the first internal electrode with respect to the first surface of the ceramic body is referred to a first angle of the internal electrode, a total sum of the first angles is less than 10°.
    Type: Grant
    Filed: April 11, 2023
    Date of Patent: April 16, 2024
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Hwi Dae Kim, Ji Hong Jo, Woo Chul Shin, Sang Soo Park, Chan Yoon
  • Publication number: 20240119948
    Abstract: Provided is an encoding apparatus for integrally encoding and decoding a speech signal and a audio signal, and may include: an input signal analyzer to analyze a characteristic of an input signal; a stereo encoder to down mix the input signal to a mono signal when the input signal is a stereo signal, and to extract stereo sound image information; a frequency band expander to expand a frequency band of the input signal; a sampling rate converter to convert a sampling rate; a speech signal encoder to encode the input signal using a speech encoding module when the input signal is a speech characteristics signal; a audio signal encoder to encode the input signal using a audio encoding module when the input signal is a audio characteristic signal; and a bitstream generator to generate a bitstream.
    Type: Application
    Filed: June 21, 2023
    Publication date: April 11, 2024
    Applicants: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE, Kwangwoon University Industry-Academic Collaboration Foundation
    Inventors: Tae Jin LEE, Seung-Kwon BAEK, Min Je KIM, Dae Young JANG, Jeongil SEO, Kyeongok KANG, Jin-Woo HONG, Hochong PARK, Young-Cheol PARK
  • Publication number: 20240103663
    Abstract: A display device includes a display panel including a plurality of touch electrodes, a touch driving circuit electrically connected to the plurality of touch electrodes, and a fingerprint sensor device disposed on one surface of the display panel and including a plurality of unit blocks. The fingerprint sensor device includes a plurality of fingerprint scan lines extending in a first direction, a plurality of fingerprint sensing lines extending in a second direction crossing the first direction, a plurality of sensor pixels respectively connected to the plurality of fingerprint scan lines and the plurality of fingerprint sensing lines, and a fingerprint scan driver having a plurality of stages for applying a fingerprint scan signal to each of the plurality of fingerprint scan lines. The touch driving circuit applies a start signal to the fingerprint scan driver.
    Type: Application
    Filed: November 27, 2023
    Publication date: March 28, 2024
    Inventors: Kyung Tea PARK, Hyun Dae LEE, Kang Bin JO, Jong Hyun LEE
  • Publication number: 20240105194
    Abstract: Disclosed is an LPC residual signal encoding/decoding apparatus of an MDCT based unified voice and audio encoding device. The LPC residual signal encoding apparatus analyzes a property of an input signal, selects an encoding method of an LPC filtered signal, and encode the LPC residual signal based on one of a real filterbank, a complex filterbank, and an algebraic code excited linear prediction (ACELP).
    Type: Application
    Filed: December 5, 2023
    Publication date: March 28, 2024
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Seung Kwon BEACK, Tae Jin LEE, Min Je KIM, Kyeongok KANG, Dae Young JANG, Jin Woo HONG, Jeongil SEO, Chieteuk AHN, Hochong PARK, Young-Cheol PARK
  • Patent number: 11940725
    Abstract: A blankmask for EUV lithography includes a substrate, a reflective layer, a capping layer, and a phase shift layer. The phase shift layer is made of a material containing ruthenium (Ru) and chromium (Cr), and a total content of ruthenium (Ru) and chromium (Cr) is 50 to 100 at %. The phase shift layer may further contain boron (B) or nitrogen (N). The phase shift layer of the present invention has a high relative reflectance (relative reflectance with respect to a reflectance of the reflective layer under the phase shift layer) with respect to a tantalum (Ta)-based phase shift layer and has a phase shift amount of 170 to 230°. It is possible to obtain excellent resolution when finally manufacturing a pattern of 7 nm or less by using a photomask manufactured using such a blankmask.
    Type: Grant
    Filed: December 6, 2021
    Date of Patent: March 26, 2024
    Assignee: S&S Tech Co., Ltd.
    Inventors: Cheol Shin, Yong-Dae Kim, Jong-Hwa Lee, Chul-Kyu Yang, Min-Kwang Park, Mi-Kyung Woo
  • Publication number: 20240091322
    Abstract: Provided is a protein complex including a botulinum toxin translocation domain and endolysin. When used, the protein complex including a botulinum translocation domain and endolysin according to the present invention exhibits an antibacterial effect and thus can be used as an antibacterial composition or an antibiotic.
    Type: Application
    Filed: April 18, 2022
    Publication date: March 21, 2024
    Applicant: MVRIX Co., Ltd.
    Inventors: Dae Hyuk KWEON, Wonbeom PARK, Jihwan CHUN
  • Publication number: 20240097218
    Abstract: Methods and systems for executing tracking and monitoring manufacturing data of a battery are disclosed. One method includes: receiving, by a server system, sensing data of the battery from a sensing system; generating, by the server system, mapping data based on the sensing data; generating, by the server system, identification data of the battery based on the sensing data; generating, by the server system, monitoring data of the battery based on the sensing data, the identification data, and the mapping data; and generating, by the server system, display data for displaying a simulated electrode of the battery on a graphical user interface based on the monitoring data of the battery.
    Type: Application
    Filed: August 31, 2023
    Publication date: March 21, 2024
    Inventors: Min Kyu Sim, Jong Seok Park, Min Su Kim, Jae Hwan Lee, Ki Deok Han, Eun Ji Jo, Su Wan Park, Gi Yeong Jeon, June Hee Kim, Wi Dae Park, Dong Min Seo, Seol Hee Kim, Dong Yeop Lee, Jun Hyo Su, Byoung Eun Han, Seung Huh
  • Publication number: 20240096559
    Abstract: A multilayer ceramic capacitor includes a body including a dielectric layer and first and second internal electrodes having different sizes to each other, and having first and second surfaces of the first and second internal electrodes, opposing each other in a stacking direction, third and fourth surfaces connected to the first and second surfaces and opposing each other, and fifth and sixth surfaces connected to the first and second surfaces and connected to the third and fourth surfaces, and opposing each other; and first and second external electrodes.
    Type: Application
    Filed: November 27, 2023
    Publication date: March 21, 2024
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Hwi Dae KIM, Chan YOON, Ji Hong JO, Sang Soo PARK, Woo Chul SHIN
  • Publication number: 20240096560
    Abstract: A multilayer capacitor includes a capacitor body having an active region, upper and lower cover regions, and width margins on opposing sides of the active region. The width margin includes a first region on an internal side thereof adjacent the first and second internal electrodes and a second region on an external side between the first region and a respective external surface of the capacitor body, and he upper and lower cover regions each include a third region on an internal side thereof adjacent the internal electrodes and a fourth region on an external side between the third region and a respective external surface of the capacitor body. The active region, the second region, and the fourth region have a same dielectric constant A, and the first and third regions have a same dielectric constant B, and A and B are different from each other and satisfy 0.5?B/A.
    Type: Application
    Filed: December 1, 2023
    Publication date: March 21, 2024
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Hwi Dae KIM, Sang Soo PARK, Chan YOON, Woo Chul SHIN, Ji Hong JO
  • Patent number: 11931720
    Abstract: The present invention relates to superabsorbent polymer and a method for preparing the same. According to the method for preparing superabsorbent polymer of the present invention, superabsorbent polymer having improved rewet property and absorption speed can be provided.
    Type: Grant
    Filed: November 28, 2018
    Date of Patent: March 19, 2024
    Assignee: LG Chem, Ltd.
    Inventors: Young Jae Hur, Dae Woo Nam, Bohee Park, Seongbeom Heo
  • Publication number: 20240090318
    Abstract: The present invention relates to a novel heterocyclic compound usable in an organic light-emitting device and to an organic light-emitting device comprising same, wherein [chemical formula A] is as described in the detailed description of the invention.
    Type: Application
    Filed: December 28, 2021
    Publication date: March 14, 2024
    Inventors: Se-Jin LEE, Seok-Bae PARK, Si-In KIM, Hee-Dae KIM, Yeong-Tae CHOI, Ji-Yung KIM, Kyung-Tae KIM, Myeong-Jun KIM, Kyeong-hyeon KIM, Seung-soo LEE, Tae Gyun LEE, Joon-Ho KIM
  • Patent number: 11929014
    Abstract: A display device includes a display panel which displays an image based on input image data, a driving controller which generates a voltage control signal for adjusting a first power voltage applied to the display panel in an (N+M)-th frame based on a maximum grayscale value of the input image data of an N-th frame, where N is a positive integer, and M is a positive integer, and a power voltage generator which senses a power current applied to the display panel in the (N+M)-th frame, generates a second power voltage based on the voltage control signal, and controls a voltage level of the first power voltage based on the second power voltage and a current level of the power current.
    Type: Grant
    Filed: July 20, 2022
    Date of Patent: March 12, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Kihyun Pyun, Sung-Mo Yang, Seungho Park, Dae-Sik Lee
  • Patent number: 11927880
    Abstract: A blankmask for extreme ultraviolet lithography includes a substrate, a reflective layer formed on the substrate, and a phase shift layer formed on the reflective layer. The phase shift layer contains niobium (Nb), and is made of a material containing one of tantalum (Ta), chromium (Cr), and ruthenium (Ru). A phase shift layer containing Nb and Ta has a relative reflectance of 5 to 20%, a phase shift layer containing Nb and Cr has a relative reflectance of 9 to 15%, and a phase shift layer containing Nb and Ru has a relative reflectance of 20% or more. The phase shift layer has a phase shift amount of 170 to 230°, and has a surface roughness of 0.5 nmRMS or less. It is possible to obtain excellent resolution when finally manufacturing a pattern of 7 nm or less by using a photomask manufactured using such a blankmask.
    Type: Grant
    Filed: January 10, 2022
    Date of Patent: March 12, 2024
    Assignee: S&S TECH Co., Ltd.
    Inventors: Yong-Dae Kim, Chul-Kyu Yang, Min-Kwang Park, Mi-Kyung Woo
  • Patent number: 11929200
    Abstract: A coil component includes a body; first and second coil portions spaced apart from each other in the body; first and second external electrodes disposed on the body to be spaced apart from each other and connected to both ends of the first coil portion; and first and second ground electrodes spaced apart from each other on the body and connected to both ends of the second coil portion.
    Type: Grant
    Filed: December 10, 2020
    Date of Patent: March 12, 2024
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Dong Hwan Lee, Sang Soo Park, Chan Yoon, Dong Jin Lee, Hwi Dae Kim, Hye Mi Yoo
  • Publication number: 20240061047
    Abstract: An apparatus is provided for detecting an internal defect of a battery cell. The apparatus may include a time domain reflectometry (TDR) module configured to apply an electrical pulse to the battery cell and compare a reference waveform with a measurement waveform generated by detecting a reflected wave of the electrical pulse to determine whether a defect has occurred, and a signal line configured to electrically connect the TDR module to an electrode lead of the battery cell. The electrical pulse may be applied in a longitudinal direction of the battery cell. A method of detecting an internal defect of a battery cell is also provided.
    Type: Application
    Filed: August 30, 2022
    Publication date: February 22, 2024
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: In Hwan CHO, Sang Dae PARK, Ju Mi LEE, Ju Young KIM
  • Patent number: 11884343
    Abstract: A steering feel assisting apparatus of a steer-by-wire (SBW) system, may include a disk configured to rotate together with a steering shaft; a cam engaged to an actuator and configured to receive a rotational force of the actuator to be eccentrically rotated; and a brake arm configured to selectively friction-contact with an external peripheral surface of the disk to provide a predetermined frictional force in a forward rotation direction of the disk as the brake arm rotates in conjunction with rotation of the cam.
    Type: Grant
    Filed: September 22, 2020
    Date of Patent: January 30, 2024
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Sang Woo Hwang, Young Dae Park, Byung Rim Lee, Min Jun Kim, Se Hyun Chang, Hyeon Seok Cho