Patents by Inventor Song Park

Song 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: 20240176245
    Abstract: A patterning method includes: forming a first photoresist layer on a substrate; performing first divisional exposure on the first photoresist layer with first exposure energy, higher than or equal to threshold energy, using a reticle having lines and spaces of a mask pattern and an exposure apparatus; and shifting the reticle below a line width of the mask pattern and performing second divisional exposure on the first photoresist layer with second exposure energy, higher than or equal to the threshold energy, using the reticle to form a photoresist pattern. A spatial distribution of the first exposure energy may overlap a spatial distribution of the second exposure energy.
    Type: Application
    Filed: February 7, 2024
    Publication date: May 30, 2024
    Inventors: Jungchul SONG, Min Jun BAK, Wan-Gyu LEE, Jong-Wan PARK
  • Patent number: 11997383
    Abstract: According to an embodiment of the present invention, disclosed is a camera module comprising: a light output unit for outputting an optical signal to an object; a sensor for receiving an optical signal reflected from the object; and a control unit for acquiring distance information about the object by using the phase difference of the received optical signal, wherein the sensor includes a non-extraction area from which the phase different is not extracted and an extraction area from which the phase difference is extracted and the control unit stops timing control for the received optical signal in the non-extraction area.
    Type: Grant
    Filed: May 26, 2020
    Date of Patent: May 28, 2024
    Assignee: LG Innotek Co., Ltd.
    Inventors: Seok Hyun Kim, Eun Song Kim, Kang Yeol Park
  • Publication number: 20240171112
    Abstract: The present invention relates to a motor driving control system and a control method thereof. The purpose of the present invention is to provide a motor driving control system and a control method thereof, which may change electric current limiting logic, which is applied to a BLDC motor for a cooling fan, in response to an operating speed of the motor to stably protect the motor from an overload in a low-speed driving state as well as an overload in a high-speed driving state.
    Type: Application
    Filed: March 8, 2022
    Publication date: May 23, 2024
    Inventors: Kyung Won AN, Min Sik KIM, Sang Hun KIM, Won Seok KIM, Tae Wan KIM, Pureunsam PARK, Sung Joon LEE, Song Cheol LEE, Ho Bin IM, Eui Hyun KIM
  • Publication number: 20240170678
    Abstract: Disclosed are an anode including a core part and a binder and a secondary battery including the same. Particularly, a coating layer including a polymer is provided between the core part and the binder and thus blocks electron transport paths from the core part to the binder. Thereby, decomposition of the binder is suppressed, and thus, the charge capacity and the initial Coulombic efficiency of the secondary battery are increased.
    Type: Application
    Filed: March 9, 2023
    Publication date: May 23, 2024
    Inventors: Yong Il Cho, Geun Ho Choi, Hannah Song, Hyun Jin Kim, Hyeon Ha Lee, Chan Bum Park, Jang Wook Choi, Tae Geun Lee, Ji Woo An
  • Publication number: 20240171245
    Abstract: Disclosed is a wireless communication system, specifically, an apparatus and method for configuring a primary cell carrier/secondary cell carrier (PCC/SCC) prioritization only based on extremely partial channel state information in a wireless communication system. Specifically, a method of operating a user equipment (UE) in a wireless communication system includes: transmitting a sounding reference signal (SRS) or channel state information (CSI) to a base station; receiving a signal from the base station on the basis of the SRS or the CSI; and estimating a number of multi-paths using a neural network for the received signal, wherein the estimating of the number of multi-paths includes: re-shaping the received signal; extracting a singular value of the reshaped signal; and estimating the number of multi-paths based on the extracted singular value.
    Type: Application
    Filed: November 16, 2023
    Publication date: May 23, 2024
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Jun Sik KIM, Woong Hee LEE, Minhoe KIM, Taewon SONG, Jung Im KIM, Soon Gi PARK, Sung Cheol CHANG, Sun Mi JUN, Yong Seouk CHOI
  • Patent number: 11991926
    Abstract: Disclosed is an organic electroluminescent device including a first electrode, one or more organic material layers, and a second electrode, wherein the organic material layer includes a light emitting layer, wherein one or more layers of the organic material layer contain a compound represented by Chemical Formula 1, wherein the light emitting layer contains a compound represented by Chemical Formula 2. The organic electroluminescent device has lowered drive voltage, and improved efficiency and lifespan characteristics.
    Type: Grant
    Filed: April 16, 2020
    Date of Patent: May 21, 2024
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Inbum Song, Seunghee Yoon, Sunghoon Kim, Seong-Min Park, Tae Wan Lee, Jae Ho Jeong, Jiwoong Yoo
  • Patent number: 11987655
    Abstract: The present invention relates to polyolefin. More specifically, the present invention relate s to polyolefin having excellent dart drop impact strength, and exhibiting improved transparency and satisfying one of the following 1)˜4): 1) when density is 0.9165 g/cm3 or more and less than 0.9175 g/cm3, the content of SCB (Short Chain Branch) is 9.5 to 10.5 wt %, 2) when density is 0.9175 g/cm3 or more and less than 0.9185 g/cm3, the content of SCB (Short Chain Branch) is 9.0 to 10.0 wt %, 3) when density is 0.9185 g/cm3 or more and less than 0.9195 g/cm3, the content of SCB (Short Chain Branch) is 8.5 to 9.5 wt %, 4) when density is 0.9195 g/cm3 or more and less than 0.9205 g/cm3, the content of SCB (Short Chain Branch) is 7.5 to 8.5 wt %, wherein the density is measured according to ASTM D1505.
    Type: Grant
    Filed: December 20, 2019
    Date of Patent: May 21, 2024
    Assignee: LG Chem, Ltd.
    Inventors: Sung Min Lee, Jeongkyu Lee, Hyojoon Lee, Seyoung Kim, Sung Ho Park, Seul Ki Im, Jinyoung Lee, Chang Hwan Jang, Daesik Hong, Jisoo Song
  • Publication number: 20240155829
    Abstract: A semiconductor memory device may include a plurality of bit lines extending in a first direction on a substrate, a plurality of active pillars respectively on the bit lines, a word line extending in a second direction along the plurality of active pillars, a plurality of landing pads respectively on the plurality of active pillars, and a plurality of data storage patterns respectively on the plurality of landing pads. Each of the plurality of active pillars may have a length extending in a direction perpendicular to an upper surface of the substrate. The word line has a wavy shape when viewed in a plan view.
    Type: Application
    Filed: June 22, 2023
    Publication date: May 9, 2024
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Changsik KIM, Jae Won NA, Junhwa SONG, Dong-Sik PARK
  • Publication number: 20240154231
    Abstract: A battery pack includes a plurality of battery modules, each battery module including: a cell stack that includes a plurality of battery cells arranged in a first direction; and a side cover disposed on at least one side of the cell stack; and a pack housing structured to accommodate the plurality of battery modules, wherein the side cover includes a body disposed at a side of the cell stack in the first direction; a first extension portion extending from the body in the first direction; and a second extension portion connected to the body and the first extension portion.
    Type: Application
    Filed: October 4, 2023
    Publication date: May 9, 2024
    Inventors: Min Song KANG, Ji Woong KIM, Byeong Jun PAK, Ju Yong PARK, Suk Ho SHIN, Jin Su HAN
  • Patent number: 11979710
    Abstract: A holographic-based directional sound device is provided, the device including: a sound wave generating means generating a sound wave; and a flat plate configured to have the sound wave generating means installed at the center so as to radiate the sound wave to the outside through a surface, and to be composed of a plurality of unit cells, in which at least one groove is formed on a surface of the unit cell, and a radiation angle of the sound wave is determined according to a depth of the groove with respect to the unit cell, wherein the depth of the groove is determined by an individual surface admittance calculated by a cosine function or a sine function of the sum of a first value and a second value on the basis of a preset radiation angle of the sound wave and a preset frequency of the sound wave.
    Type: Grant
    Filed: September 23, 2020
    Date of Patent: May 7, 2024
    Assignees: PUSAN NATIONAL UNIVERSITY INDUSTRY-UNIVERSITY COOPERATION FOUNDATION, CENTER FOR ADVANCED META-MATERIALS
    Inventors: Kyungjun Song, Hak Joo Lee, Jun Hyuk Kwak, Jong Jin Park
  • Publication number: 20240147830
    Abstract: The present disclosure relates to an organometallic compound having the following structure of Chemical Formula 1, Ir(LA)m(LB)n, an organic light emitting diode (OLED) where the organometallic compound is applied to an emitting material layer and an organic light emitting device. The luminous efficiency, color purity and luminous lifespan of the OLED and the organic light emitting device can be improved.
    Type: Application
    Filed: May 10, 2023
    Publication date: May 2, 2024
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Tae-Ryang HONG, In-Bum SONG, Sung-Jin PARK, Jae-Min MOON, Seok-Woo KANG
  • Publication number: 20240147845
    Abstract: The present disclosure relates to an organic electroluminescent device. The organic electroluminescent device of the present disclosure shows high luminous efficiency and good lifespan by comprising a specific combination of the plural kinds of host compounds and a specific hole transport compound.
    Type: Application
    Filed: December 6, 2023
    Publication date: May 2, 2024
    Inventors: Kyoung-Jin PARK, Tae-Jin LEE, Jae-Hoon SHIM, Yoo Jin DOH, Hee-Choon AHN, Young-Kwang KIM, Doo-Hyeon MOON, Jeong-Eun YANG, Su-Hyun LEE, Chi-Sik KIM, Ji-Song JUN
  • Patent number: 11974446
    Abstract: Disclosed are a white organic light emitting element, which may uniformize the color coordinates of white regardless of a change in current density by changing the configuration of different kinds of light emitting layers contacting each other, and a display device using the same.
    Type: Grant
    Filed: November 23, 2020
    Date of Patent: April 30, 2024
    Assignee: LG Display Co., Ltd.
    Inventors: Wook Song, Eun-Jung Park, Chun-Ki Kim, Se-Ung Kim
  • Publication number: 20240133621
    Abstract: According to the present disclosure, after a load operation is performed by satisfying a start condition of the load operation, the load operation is terminated when a compartment temperature of a storage compartment satisfies a termination condition when a door is opened or when a temperature change in the storage compartment satisfies the termination condition. Accordingly, excessive power consumption during the load operation may be prevented, and thus power consumption may be improved.
    Type: Application
    Filed: November 12, 2021
    Publication date: April 25, 2024
    Inventors: Youngseung Song, Min Hyuk Park, Sangbok Choi, Yun Su Cho
  • 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
  • Patent number: 11965684
    Abstract: An inverter module according to an embodiment of the present invention comprises: a high voltage circuit unit which generates an inverter control voltage and a motor driving voltage by using a first DC voltage; a high voltage circuit pattern which electrically connects the high voltage circuit unit; a low voltage circuit unit which communicates with an external device by using a second DC voltage having a smaller magnitude than the first DC voltage; and a low voltage circuit pattern which electrically connects the low voltage circuit unit. The high voltage circuit pattern and the low voltage circuit pattern are spaced apart from each other.
    Type: Grant
    Filed: October 18, 2019
    Date of Patent: April 23, 2024
    Assignee: Hanon Systems
    Inventors: Tae Hyeong Kim, Eun Seok Kang, Sung Jun Park, Chan Song, Seung Hwan Shin, Ho Bin Im, Min Gyo Jung
  • Patent number: 11961742
    Abstract: A method for manufacturing a semiconductor device and a semiconductor device produced thereby. For example and without limitation, various aspects of this disclosure provide methods for manufacturing a semiconductor device, and semiconductor devices produced thereby, that comprise forming an interposer including a reinforcement layer.
    Type: Grant
    Filed: August 23, 2021
    Date of Patent: April 16, 2024
    Assignee: AMKOR TECHNOLOGY SINGAPORE HOLDING PTE. LTD.
    Inventors: Jong Sik Paek, Doo Hyun Park, Seong Min Seo, Sung Geun Kang, Yong Song, Wang Gu Lee, Eun Young Lee, Seo Yeon Ahn, Pil Je Sung
  • Publication number: 20240113318
    Abstract: A polymer electrolyte membrane having improved chemical or mechanical durability is provided. The present disclosure relates to a polymer electrolyte membrane, and the polymer electrolyte membrane according to the present disclosure comprises a porous support and a composite layer containing a first ionomer filled in the porous support, wherein the polymer electrolyte membrane comprises a first segment having a first durability and a second segment having a second durability, and the first durability is higher than the second durability.
    Type: Application
    Filed: September 17, 2021
    Publication date: April 4, 2024
    Inventors: Eun Su LEE, Dong Hoon LEE, Na Young KIM, Jung Hwa PARK, Hye Song LEE
  • Patent number: 11944998
    Abstract: A method of fabricating a capacitive micromachined ultrasonic transducer (CMUT) according to one aspect of the present invention may include forming, on a semiconductor substrate, a first region implanted with impurity ions at a first average concentration and a second region implanted with no impurity ions or implanted with the impurity ions at a second average concentration lower than the first average concentration, forming an insulating layer by oxidizing the semiconductor substrate wherein the insulating layer includes a first oxide layer having a first thickness on at least a part of the first region and a second oxide layer having a second thickness smaller than the first thickness on at least a part of the second region, and forming a membrane layer on the insulating layer such that a gap is defined between the second oxide layer and the membrane layer.
    Type: Grant
    Filed: March 18, 2020
    Date of Patent: April 2, 2024
    Assignee: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Byung Chul Lee, Dong-Hyun Kang, Jin soo Park, Tae Song Kim
  • Patent number: 11945864
    Abstract: A monoclonal antibody or an antigen-binding fragment thereof according to an embodiment of the present invention can bind to lymphocyte-activation gene 3 (LAG-3) including a heavy chain variable region and a light chain variable region and inhibit the activity thereof. Thus it is expected to be useful for the development of immunotherapeutic agents for various disorders that are associated with LAG-3.
    Type: Grant
    Filed: June 28, 2019
    Date of Patent: April 2, 2024
    Assignee: Y-BIOLOGICS INC.
    Inventors: Sang Pil Lee, Ji-Young Shin, Sunha Yoon, Yunseon Choi, Jae Eun Park, Ji Su Lee, Youngja Song, Gisun Baek, Seok Ho Yoo, Yeung-chul Kim, Dong Jung Lee, Bum-Chan Park, Young Woo Park