Patents by Inventor Sang-hoon Lee

Sang-hoon 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: 20240142358
    Abstract: The present invention relates to a surface energy measurement instrument configured to apply a measurement reagent to a surface of metal foil to measure surface energy of the metal foil, the surface energy measurement instrument including a main body unit configured to store and discharge the measurement reagent and an application unit configured to apply the measurement reagent to the surface of the metal foil, wherein the main body unit includes a reagent storage portion configured to store the measurement reagent, a reagent injection port located at an upper part of the reagent storage portion, a reagent discharge port located at a lower part of the reagent storage portion, and a discharge amount adjustment portion connected to the reagent discharge port, the discharge amount adjustment portion being configured to adjust the discharge amount of the measurement reagent to be discharged from the reagent storage portion.
    Type: Application
    Filed: December 1, 2022
    Publication date: May 2, 2024
    Applicant: LG Energy Solution, Ltd.
    Inventors: Ki Hoon Paeng, Jae Won Moon, Sang Myeon Lee
  • Publication number: 20240140288
    Abstract: An electric headrest sliding device includes a slider configured to be movable upwards and downwards by driving of a motor, a front frame of a headrest, and a rotation link configured to connect the slider to the front frame, wherein the rotation link is rotated forwards or rearwards to push or pull the front frame during upward-and-downward movement of the slider, thereby accurately adjusting the front and rear positions of the headrest.
    Type: Application
    Filed: March 3, 2023
    Publication date: May 2, 2024
    Inventors: Sang Uk Yu, Tae Hoon Lee, Sang Ho Kim, Seung Young Lee, Jun Namgoong, Yong Jun Shin
  • Publication number: 20240145731
    Abstract: The present invention relates to an apparatus for simulating thermal wrinkles of an electrode sheet and a simulation method using the same, and more particularly to an apparatus for simulating thermal wrinkles of an electrode sheet having an active material applied thereto generated during drying of the electrode sheet, the apparatus including an electrode sheet fixing unit configured to applying tensile load to the electrode sheet (S) so as to be stretched by a predetermined length in the state in which opposite ends of the electrode sheet are fixed, a temperature adjustment unit configured to heat the electrode sheet fixing unit to a predetermined temperature while wrapping the electrode sheet fixing unit, and a rail configured to move the temperature adjustment unit, and a simulation method using the same.
    Type: Application
    Filed: October 27, 2022
    Publication date: May 2, 2024
    Applicant: LG Energy Solution, Ltd.
    Inventors: Jae Won Moon, Jung Geun Kwon, Sang Myeon Lee, Ki Hoon Paeng
  • Publication number: 20240139934
    Abstract: The inventive concept provides a teaching method for teaching a transfer position of a transfer robot. The teaching method includes: searching for an object on which a target object to be transferred by the transfer robot is placed, based on a 3D position information acquired by a first sensor; and acquiring coordinates of a second direction and coordinates of a third direction of the object based on a data acquired from a second sensor which is a different type from the first sensor.
    Type: Application
    Filed: March 8, 2023
    Publication date: May 2, 2024
    Applicant: SEMES CO., LTD.
    Inventors: Jong Min Lee, Kwang Sup Kim, Myeong Jun Lim, Young Ho Park, Yeon Chul Song, Sang Hyun Son, Jun Ho Oh, Ji Hoon Yoo, Joong Chol Shin
  • Publication number: 20240142426
    Abstract: A gas detection device comprises a pump module for drawing in air; a sensor module including a plurality of unit sensors detecting a gas included in the air; a driving module driving the pump module and the sensor module; and a case including a main body mounted to allow at least one among the pump module, the sensor module, and the driving module to be detachable and a cover connected to the main body to allow the at least one among the pump module, the sensor module, and the driving module to be exposed.
    Type: Application
    Filed: January 10, 2024
    Publication date: May 2, 2024
    Inventors: Sang-Hoon HUR, Jae-Hwan LEE, Je-Phil AHN
  • Publication number: 20240147853
    Abstract: An organic light emitting device comprising an anode, a cathode, and a light emitting layer between the anode and the cathode, the light emitting layer including a compound represented by Chemical Formula 1 and a compound represented by Chemical Formula 2, and having improved driving voltage, efficiency and lifetime.
    Type: Application
    Filed: July 21, 2022
    Publication date: May 2, 2024
    Inventors: Minjun Kim, Dong Hoon Lee, Sang Duk Suh, Young Seok Kim
  • Patent number: 11972941
    Abstract: Proposed is a precursor composition for forming a metal film including a zirconium compound represented by any one of Chemical Formulas 1 to 3 and a hafnium compound represented by any one of Chemical Formulas 4 to 6.
    Type: Grant
    Filed: December 6, 2019
    Date of Patent: April 30, 2024
    Assignee: SK TRICHEM
    Inventors: Chang Sung Hong, Yong Joo Park, Tae Hoon Oh, In Chun Hwang, Sang Kyung Lee, Dong Hyun Kim
  • Patent number: 11972721
    Abstract: A display device is disclosed that includes pixels, a memory, and a degradation compensator. The pixels include light emitting elements. The memory is operable to store degradation information including degradation degrees of the light emitting elements. The degradation compensator is operable to receive the degradation information and generate output grayscales by changing each of input grayscales of the pixels in proportion to each of the degradation degrees. The degradation compensator includes a degradation information changer for changing the degradation information by decreasing a degradation degree having a variation greater than a threshold value among variations of the degradation degrees.
    Type: Grant
    Filed: September 20, 2022
    Date of Patent: April 30, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jae Hoon Lee, Kyoung Ho Lim, Seung Ho Park, Hee Sook Park, Sang Myeon Han
  • Patent number: 11973179
    Abstract: A method of manufacturing a cathode active material for a lithium secondary battery according to embodiments of the present invention includes performing a first heat treatment on a first mixture of a transition metal precursor and a lithium precursor at a first calcination temperature to obtain a preliminary lithium-transition metal composite oxide particle; and performing a second heat treatment on a second mixture obtained by adding the lithium precursor to the preliminary lithium-transition metal composite oxide particle at a second calcination temperature which is lower than the first calcination temperature to form a lithium-transition metal composite oxide particle.
    Type: Grant
    Filed: September 22, 2021
    Date of Patent: April 30, 2024
    Assignee: SK ON CO., LTD.
    Inventors: Sang Bok Kim, Jik Soo Kim, Jeong Bae Yoon, Seung Ok Lee, Ji Hoon Choi
  • Publication number: 20240136531
    Abstract: A conductive composite material, a method of preparing the same, and a secondary battery including the same. The conductive composite material may increase the proportion of an active material when forming an electrode by chemically bonding a conductive material and a binder to each other. A method of preparing the conductive composite material comprises ionizing carbon-based particles in a predetermined polarity, ionizing PTFE particles in a polarity different from that of the carbon-based particles, and chemically bonding the ionized carbon-based particles and the ionized PTFE particles, which are ionized in different polarities, to each other.
    Type: Application
    Filed: September 20, 2023
    Publication date: April 25, 2024
    Inventors: Seung Min Oh, Sung Ho Ban, Sang Hun Lee, Ko Eun Kim, Yoon Sung Lee, Chang Hoon Song, Hyeong Jun Choi, Jun Myoung Sheem, Jin Kyo Koo, Young Jun Kim
  • Publication number: 20240137586
    Abstract: The present disclosure provides a platform system for transmitting a video in real time with ultra-low latency, the platform system including: a caster unit (100) configured to encode and transmits a video signal provided from one or a plurality of video sources (110) through a network communication network; a platform server (200) configured to provide the video signal transmitted from the caster unit in a streaming manner; and a user terminal (300) configured to be provided with the video signal from the platform server in a streaming manner. The platform system and method for transmitting a video in real time with ultra-low latency according to the present disclosure has the advantage that it is possible to provide an ultra-low latency service anytime anywhere as long as the internet is connected by enabling real-time transmission of an end-to-end video signal.
    Type: Application
    Filed: November 27, 2023
    Publication date: April 25, 2024
    Inventors: Sang Hoon LEE, Hack Kyung KIM, Soo Hyun Park
  • Publication number: 20240138256
    Abstract: Provided is an organic light emitting device which includes a light emitting layer between an anode and a cathode, the light emitting layer comprising a compound of Chemical Formula 1 and a compound of Chemical Formula 2: where A?1 represents Chemical Formula 2-a, the dotted line is fused with an adjacent ring, Ar?1 is substituted or unsubstituted C6-60 aryl or C2-60 heteroaryl containing at least one of N, O and S, D is deuterium, and the other substituents are as defined in the specification. The organic light emitting device has excellent driving voltage, efficiency and lifespan when the compound of Chemical Formula 1 and the compound of Chemical Formula 2 are combined and used as a host for a red light emitting layer.
    Type: Application
    Filed: April 5, 2021
    Publication date: April 25, 2024
    Inventors: Minjun KIM, Dong Hoon LEE, Sang Duk SUH, Young Seok KIM
  • Publication number: 20240136490
    Abstract: A display device may include a substrate, and a display element layer disposed on the substrate and including a light emitting element that emits light in a display direction. The display element layer may include a first contact electrode electrically connected to the light emitting element, a second contact electrode electrically connected to the light emitting element, and a bank pattern having a shape extending in the display direction. At least one of the first contact electrode, the second contact electrode, and the bank pattern may include a transparent conductive polymer.
    Type: Application
    Filed: December 11, 2023
    Publication date: April 25, 2024
    Applicant: Samsung Display Co., LTD.
    Inventors: Hang Jae LEE, Yuk Hyun NAM, Sang Hoon PARK
  • Publication number: 20240131624
    Abstract: Embodiments of the inventive concept provide a substrate treating apparatus and a substrate treating method for not letting an irradiation region of a laser deviate from a target region, even if a shaking angle of a chemical deviates from an allowable range due to a vibration or an airflow. The inventive concept provides a substrate treating apparatus. The substrate treating apparatus includes: a substrate support unit configured to support a substrate having a chemical coated thereon; a laser generation unit configured to irradiate a laser to the substrate; and a light-transmitter positioned along a path at which the laser is irradiated.
    Type: Application
    Filed: October 2, 2023
    Publication date: April 25, 2024
    Applicant: SEMES CO., LTD.
    Inventors: Tae Shin KIM, Ki Hoon CHOI, Tae Hee KIM, Sang Gun LEE, Jin Yeong SUNG, Jang Jin LEE
  • Publication number: 20240132357
    Abstract: An embodiment of the present specification provides a method for preparing a catalyst for preparing a carbon nanotube, comprising: (a) dissolving a main catalyst precursor, a support precursor, a cocatalyst precursor and a precipitation inhibitor in a solvent to prepare a precursor solution; and (b) pyrolyzing the precursor solution by spraying the precursor solution into a reactor, wherein a mole fraction of the precipitation inhibitor to the cocatalyst precursor is 0.1 to 1.5.
    Type: Application
    Filed: October 19, 2023
    Publication date: April 25, 2024
    Applicant: KOREA KUMHO PETROCHEMICAL CO., LTD.
    Inventors: Myung Hoon JEONG, Hyun Tae KIM, Sang Hyo RYU, Chung Heon JEONG, Wan Sung LEE, Woo Ram JUNG, Chang Gu KANG
  • Patent number: 11965446
    Abstract: The present invention relates to a VOC reduction system and a VOC reduction method that applies pulse type thermal energy to a catalyst to activate the catalyst and oxidizes and removes the VOC.
    Type: Grant
    Filed: February 20, 2020
    Date of Patent: April 23, 2024
    Assignee: KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGY
    Inventors: Jin Hee Lee, Iljeong Heo, Tae Sun Chang, Ji Hoon Park, Sang Joon Kim, Young Jin Kim
  • Patent number: 11967630
    Abstract: A semiconductor device is provided. The semiconductor device comprising a multi-channel active pattern on a substrate, a high dielectric constant insulating layer formed along the multi-channel active pattern on the multi-channel active pattern, wherein the high dielectric constant insulating layer comprises a metal, a silicon nitride layer formed along the high dielectric constant insulating layer on the high dielectric constant insulating layer and a gate electrode on the silicon nitride layer.
    Type: Grant
    Filed: February 11, 2022
    Date of Patent: April 23, 2024
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Byoung Hoon Lee, Wan Don Kim, Jong Ho Park, Sang Jin Hyun
  • Patent number: 11967862
    Abstract: In a driving system, first and second inverters are connected to a driving motor, one end of a stator winding through which 3-phase current flows is connected to an output line of the first inverter, and the other end of the stator winding is connected to an output line of the second inverter. A winding pattern of the driving motor includes: coils wound in slots defined in the stator and to which 3-phase current is applied; coils wound on innermost and outermost sides based on a direction toward a rotating shaft of the driving motor in the slots, and being energized by different AC phases; and coils disposed between a first coil located on the outermost side and a second coil located on the innermost side, and being energized by the same AC phases as those of the first and second coils.
    Type: Grant
    Filed: November 16, 2021
    Date of Patent: April 23, 2024
    Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATION
    Inventors: Woong Chan Chae, Jung Shik Kim, Jong Hoon Lee, Byung Kwan Son, Sang Hoon Moon, Young Jin Shin
  • Publication number: 20240126831
    Abstract: A depth-wise convolution acceleration device using an MAC array processor structure according to the present invention may include a data output unit, which receives a data of each row of the image from the data buffer and inputs the data into convolution operation blocks while shifting the data N?1 times according to the kernel size (N×N) and a weight output unit, which receives the kernel data from the kernel buffer and sequentially inputs a weight value constituting the kernel data to each of the row convolution operation blocks, and inputs the weight delaying by N clocks if the row increases as N rows.
    Type: Application
    Filed: October 16, 2023
    Publication date: April 18, 2024
    Inventors: Hyo Seung LEE, Seen Suk KANG, Sang Gil CHOI, Seang Hoon KIM, Yong Wook KWON
  • Patent number: RE49957
    Abstract: Provided are a method and apparatus for providing and using content advisory (CA) information on Internet contents. A method of providing CA information by using a CA information server, includes receiving a request for the CA information on a content, from an Internet Protocol television (IPTV); searching for CA information on the content; and transmitting the found CA information to the IPTV. A method of using CA information when an IPTV reproduces a content not having the CA information, according to the present invention, includes transmitting a request for CA information, to a CA information server; receiving the CA information from the CA information server; analyzing the CA information; and applying the CA information.
    Type: Grant
    Filed: May 29, 2020
    Date of Patent: April 30, 2024
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jung-shin Park, Kwang-hyuk Kim, Sung-wook Ahn, Sung-wook Byun, Sang-woong Lee, Eun-Hee Rhim, O-hoon Kwon, Sung-jin Park, In-chul Hwang, Mun-jo Kim