Patents by Inventor Sang-jun Lee

Sang-jun 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: 20240121998
    Abstract: A thin-film transistor including an active layer disposed on a substrate and including a channel region, a source region connected to a side of the channel region, and a drain region connected to the other side of the channel region; a gate insulating layer on the channel region of the active layer; and a gate electrode on the gate insulating layer. A slope of each side surface of the gate electrode with respect to a boundary surface between the gate insulating layer and the gate electrode is an obtuse angle (a substantially obtuse angel). A slope of each side surface of the gate insulating layer with respect to the boundary surface between the gate insulating layer and the gate electrode is an obtuse angle (a substantially obtuse angel).
    Type: Application
    Filed: August 8, 2023
    Publication date: April 11, 2024
    Inventors: Sun Hee LEE, Eun Hye KO, Sang Woo SOHN, Jung Hoon LEE, Hyun Mo LEE, Hyun Jun JEONG
  • Publication number: 20240122069
    Abstract: The present disclosure relates to a plurality of host materials and organic electroluminescent devices comprising the same. The present disclosure may provide a plurality of host materials having a composition favorable to thermal denaturation due to a low deposition temperature, while improving hole properties and electronic properties of HOMO and LUMO, by comprising separate compounds represented by formulas 1 and 2 into a light-emitting layer. By comprising the plurality of host materials of the present disclosure, it is possible to provide an organic electroluminescent device having a lower driving voltage, higher luminous efficiency and/or longer lifetime.
    Type: Application
    Filed: November 10, 2023
    Publication date: April 11, 2024
    Inventors: Bitnari KIM, Su-Hyun LEE, So-Young JUNG, Hyo-Soon PARK, Tae-Jun HAN, Young-Jun CHO, Sang-Hee CHO
  • Publication number: 20240120616
    Abstract: A secondary battery includes an electrode assembly having a positive electrode provided with a positive electrode tab, a separator, and a negative electrode provided with a negative electrode tab, the positive electrode, the separator, and the negative electrode being wound, the electrode assembly having a core part at a center thereof; a can configured to receive the electrode assembly therein, the negative electrode tab being connected to the can; a cap assembly coupled to an opening of the can, the positive electrode tab being connected to the cap assembly; and a reinforcing member provided on an end of the separator exposed beyond the positive electrode or the negative electrode to prevent heat of the positive electrode tab or the negative electrode tab from being transferred to the separator.
    Type: Application
    Filed: April 19, 2022
    Publication date: April 11, 2024
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Soon Kwan KWON, Su Taek JUNG, Seok Hoon JANG, Hyeok JEONG, Sang Ho BAE, Byeong Kyu LEE, Seong Won CHOI, Min Wook KIM, Yong Jun LEE
  • Patent number: 11955755
    Abstract: Provided are an electric appliance and a method of manufacturing the same, the electric appliance having a smaller size and a reduced overall weight by preventing a fluid from flowing into a space unrelated to a heating component in a state where the fluid fills its case. The electric appliance includes: a case including a first space and a second space communicated to each other; a first component disposed in the first space; a second component disposed in the second space; a connection portion electrically connecting the first component and the second component to each other; and a potting pattern including a resin material and formed in the first space.
    Type: Grant
    Filed: November 18, 2021
    Date of Patent: April 9, 2024
    Assignee: SOLUM CO., LTD.
    Inventors: Young Jun Jang, Hyun Su Kim, Jun Kyu Lee, Pill Ju Kim, Sang Keun Ji, Dong Kyun Ryu
  • Publication number: 20240114778
    Abstract: The present disclosure relates to an organic electroluminescent compound, a plurality of host materials, and an organic electroluminescent device comprising the same. By comprising the compound according to the present disclosure or by comprising a specific combination of compounds according to the present disclosure as a plurality of host materials, it is possible to produce an organic electroluminescent device having improved driving voltage, luminous efficiency, and/or lifetime properties compared to the conventional organic electroluminescent devices.
    Type: Application
    Filed: August 14, 2023
    Publication date: April 4, 2024
    Inventors: So-Young JUNG, Hyo-Nim SHIN, Seung-Hyun YOON, Hyun-Ju KANG, Ye-Jin JEON, Tae-Jun HAN, Mi-Ja LEE, Dong-Gil KIM, Sang-Hee CHO
  • Patent number: 11949012
    Abstract: A semiconductor device including: a first transistor which include a first gate stack on a substrate; and a second transistor which includes a second gate stack on the substrate, wherein the first gate stack includes a first ferroelectric material layer disposed on the substrate, a first work function layer disposed on the first ferroelectric material layer and a first upper gate electrode disposed on the first work function layer, wherein the second gate stack includes a second ferroelectric material layer disposed on the substrate, a second work function layer disposed on the second ferroelectric material layer and a second upper gate electrode disposed on the second work function layer, wherein the first work function layer includes the same material as the second work function layer, and wherein an effective work function of the first gate stack is different from an effective work function of the second gate stack.
    Type: Grant
    Filed: December 8, 2020
    Date of Patent: April 2, 2024
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jong Ho Park, Wan Don Kim, Weon Hong Kim, Hyeon Jun Baek, Byoung Hoon Lee, Jeong Hyuk Yim, Sang Jin Hyun
  • Publication number: 20240105255
    Abstract: A semiconductor memory device includes a memory bank arranged into first through nth split regions containing at least one memory cell sub-array within each split region, and first through nth global input/output (GIO) split lines electrically coupled to the first through nth split regions. First through n-lth connection control transistors are provided, which have gate terminals responsive to respective connection control signals. The first connection control transistor is configured to electrically short the first and second GIO split lines together when enabled by a corresponding connection control signal, and the n-1th connection control transistor is configured to electrically short the n-1th and nth GIO split lines together when enabled by a corresponding connection control signal. A GIO sense amplifier is provided, which is electrically coupled to the memory bank.
    Type: Application
    Filed: May 24, 2023
    Publication date: March 28, 2024
    Inventors: Seung-Jun Lee, Sang-Yun Kim, Jonghyuk Kim, Bok-Yeon Won
  • Publication number: 20240101810
    Abstract: The present invention relates to a composition for forming a composite polymer film, a method for preparing the composition for forming a composite polymer film, a composite polymer film and a method for preparing the composite polymer film. The composition for forming a composite polymer film comprises: a fluorine-based polymer solution comprising a fluorine-based polymer; and polyvinylidene fluoride nanoparticles dispersed in the fluorine-based polymer solution. The method for preparing the composition for forming a composite polymer film comprises the steps of: preparing a fluorine-based polymer solution comprising a fluorine-based polymer; and dispersing polyvinylidene fluoride nanoparticles in the fluorine-based polymer solution. The composite polymer film comprises: a polymer matrix formed from a fluorine-based polymer; and polyvinylidene fluoride nanoparticles dispersed in the polymer matrix.
    Type: Application
    Filed: September 4, 2020
    Publication date: March 28, 2024
    Applicants: KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGY, KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGY
    Inventors: Eun Ho SOHN, Shin Hong YOOK, Hong Suk KANG, In Joon PARK, Sang Goo LEE, Soo Bok LEE, Won Wook SO, Hyeon Jun HEO, Dong Je HAN, Seon Woo KIM
  • Patent number: 11938787
    Abstract: A vehicular air conditioning system includes an intake unit configured to inhale an indoor air and an outdoor air. The intake unit includes an outdoor air inlet configured to introduce the outdoor air, an indoor air inlet configured to introduce the indoor air and a plurality of doors configured to selectively open the outdoor air inlet and the indoor air inlet. The intake unit further includes an auxiliary indoor air introduction part configured to introduce the indoor air. The auxiliary indoor air introduction part is configured to introduce a part of the indoor air existing on the side of the indoor air inlet.
    Type: Grant
    Filed: July 22, 2019
    Date of Patent: March 26, 2024
    Assignee: Hanon Systems
    Inventors: Seung Ho Lee, Seo Jun Yoon, Sang Ki Lee
  • Patent number: 11940665
    Abstract: A lens driving device is provided, the lens driving device includes: a housing; a bobbin disposed inside of the housing; a support member coupled to the bobbin and the housing; and a sensor sensing a position of at least one of the bobbin and the housing, wherein the support member may include a first support unit, and a second support unit disposed not parallel to the first support unit, wherein the sensor may be disposed more adjacent to the first support unit than to the second support unit, and wherein an elastic modulus of the first support unit may be lower than an elastic modulus of the second support unit.
    Type: Grant
    Filed: April 27, 2023
    Date of Patent: March 26, 2024
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Sang Ok Park, Sang Jun Min, Jun Taek Lee
  • Publication number: 20240092305
    Abstract: Disclosed are a shoulder airbag and an airbag cushion thereof that are capable of restricting an occupant from being moved upward along a seatback and from being abruptly pushed in a direction away from a collision side of a vehicle when vehicle collision occurs, thereby safely protecting the occupant. The shoulder airbag includes an airbag cushion mounted in a seatback and configured to be deployed so as to cover each of the shoulders of an occupant sitting in a seat in three axis directions.
    Type: Application
    Filed: September 12, 2023
    Publication date: March 21, 2024
    Applicant: HYUNDAI MOBIS CO., LTD.
    Inventors: Jiwoon SONG, Dong Gil LEE, Sang Won HWANGBO, Byung Ho MIN, Jae Jun HARM
  • Publication number: 20240092298
    Abstract: An airbag device and a method for controlling deployment of the same are proposed. The airbag device is configured to protect a passenger by controlling an airbag cushion deployed toward the rear space of a seatback in an event of a vehicle collision, and the airbag device includes an airbag cushion deploying toward the rear space of the seatback, a sensor part detecting a seating status and a seating posture of a passenger with respect to each seat, and a controller, in an event of a collision, configured to change and control a deploying status of the airbag cushion and an inflation amount of the airbag cushion in response to the seating status and the seating posture of the passenger.
    Type: Application
    Filed: December 14, 2022
    Publication date: March 21, 2024
    Applicant: HYUNDAI MOBIS CO., LTD.
    Inventors: Jiwoon SONG, Dong Gil LEE, Sang Won HWANGBO, Byung Ho MIN, Jae Jun HARM
  • Publication number: 20240097119
    Abstract: A method of manufacturing a composite electrode for an all-solid-state battery includes: preparing a precursor solution by mixing at least one solid electrolyte precursor and at least one polar solvent; stirring the precursor solution; preparing an electrode slurry by adding an active material to the stirred precursor solution; and heat-treating the electrode slurry and obtaining the composite electrode for the all-solid-state battery, wherein the composite electrode for the all-solid-state battery includes: the active material; and a coating layer disposed on the active material and including a solid electrolyte.
    Type: Application
    Filed: November 29, 2023
    Publication date: March 21, 2024
    Applicants: HYUNDAI MOTOR COMPANY, Kia Corporation
    Inventors: Sun Ho CHOI, Yong Jun JANG, In Woo SONG, Sang Heon LEE, Sang Soo LEE, So Young KIM, Seong Hyeon CHOI, Sa Heum KIM, Jae Min LIM
  • Patent number: 11933808
    Abstract: A buffer unit for temporarily storing a substrate includes a housing having a space for storing a substrate therein, one or more slots disposed within the housing for placing a substrate thereon, and a holding unit disposed at a bottom portion of the housing, having a flat and non-inclined top surface, and comprising a built-in wireless charging module. A substrate type sensor is stored at the holding unit.
    Type: Grant
    Filed: December 29, 2021
    Date of Patent: March 19, 2024
    Assignee: SEMES CO., LTD.
    Inventors: Young Seop Choi, Yong-Jun Seo, Sang Hyun Son, Ji Young Lee, Gyeong Ryul Kim, Sun Yong Park
  • Patent number: 11936773
    Abstract: An encryption key management method includes: receiving a data registration request from a supplier terminal, determining a data identifier associated with the content data, encrypting a master key with a public key of the supplier terminal, and providing the supplier terminal with the master key encrypted with the public key of the supplier terminal, the data identifier, and a key update count value; receiving a subscription application related to the data identifier from a first subscriber terminal, encrypting the master key with a public key of the first subscriber terminal, and providing the first subscriber terminal with the master key encrypted with the public key of the first subscriber terminal and the key update count value; receiving encrypted content data encrypted with the symmetric key and a hash for the content data from the supplier terminal; and transmitting the encrypted content data and the hash to the first subscriber terminal.
    Type: Grant
    Filed: November 18, 2021
    Date of Patent: March 19, 2024
    Assignee: Penta Security Inc.
    Inventors: Jin Hyeok Oh, Sang Jun Lee, Myong Cheol Lim, Sang Gyoo Sim, Duk Soo Kim, Seok Woo Lee
  • Patent number: 11936075
    Abstract: Disclosed are a separator for fuel cells capable of minimizing the volume of a system and the use of sealants, and a stack for fuel cells, more particularly, a stack for solid oxide fuel cells, including the same. Specifically, by adding a metal sheet having a specific shape, position and size to the separator, the stress applied to the sealant can be uniformized, and thus the oxidizing agent and fuel can be separated and electrically isolated using only a piece of sealant. Therefore, the stack for fuel cells is characterized in that there is no variation in temperature, reactant concentration, power, or the like between respective unit cells, so delamination and microcracks do not occur, the volume is minimized, and the power density per unit volume is very high.
    Type: Grant
    Filed: December 21, 2021
    Date of Patent: March 19, 2024
    Assignee: Korea Institute of Science and Technology
    Inventors: Jong Ho Lee, Kyung Joong Yoon, Ji Won Son, Seong Kook Oh, Sang Hyeok Lee, Dong Hwan Kim, Min Jun Oh
  • Publication number: 20240081001
    Abstract: A display device includes a display panel having a folding axis extending in a first direction; and a panel supporter disposed on a surface of the display panel. The panel supporter includes a first layer including a first base resin and first fiber yarns extending in the first direction and dispersed in the first base resin, a second layer disposed on the first layer, the second layer including a second base resin and second fiber yarns extending in a second direction intersecting the first direction and dispersed in the second base resin, and a third layer disposed on the second layer, the third layer including a third base resin and third fiber yarns extending in the first direction and dispersed in the third base resin.
    Type: Application
    Filed: May 1, 2023
    Publication date: March 7, 2024
    Applicant: Samsung Display Co., LTD.
    Inventors: Soh Ra HAN, Yong Hyuck LEE, Hong Kwan LEE, Hyun Jun CHO, Min Ji KIM, Sung Woo EO, Eun Gil CHOI, Sang Woo HAN
  • Publication number: 20240075853
    Abstract: An apparatus of tilting a seat cushion of a vehicle, includes a tilting motor, a pinion gear, a sector gear, and a tilting link which perform the tilting operation of the seat cushion and exert a binding force in a tilted state of the seat cushion and are provided to be connected to both of one side and the other side of a seat cushion frame, and has two sector gears positioned on left and right sides and connected to each other by a connection bar so that, by strengthening a binding force of the front portion of the seat cushion, it is possible to secure the safety of passengers in the event of a collision.
    Type: Application
    Filed: April 13, 2023
    Publication date: March 7, 2024
    Applicants: Hyundai Motor Company, Kia Corporation, DAS CO., LTD, Faurecia Korea, Ltd., Hyundai Transys Inc.
    Inventors: Sang Soo LEE, Mu Young KIM, Sang Hark LEE, Ho Suk JUNG, Sang Do PARK, Chan Ho JUNG, Dong Hoon LEE, Hea Yoon KANG, Deok Soo LIM, Seung Pil JANG, Seon Ho KIM, Jong Seok YUN, Hyo Jin KIM, Dong Gyu SHIN, Jin Ho SEO, Young Jun KIM, Taek Jun NAM
  • Publication number: 20240076127
    Abstract: Provided is a ceiling storage system capable of correcting a working position and constantly checking stability of a structure by detecting an amount of change in a facility. According to the ceiling storage system, a transport vehicle moves to an upper portion of a first storage area of a plurality of storage areas in a state of gripping an article, and the transport vehicle measures a first distance value between the transport vehicle and the first storage area using a distance sensor and measures a relative position value between the transport vehicle and the first storage area using a vision sensor, before unloading the article from the first storage area.
    Type: Application
    Filed: May 23, 2023
    Publication date: March 7, 2024
    Inventors: Sang Kyung LEE, Seung Gyu KANG, Hyun Jae KANG, Young Wook KIM, Sang A BANG, Yong-Jun AHN, Min Kyun LEE, Hyun Woo LEE, Jeong Hun LIM, Jun Hyuk CHANG
  • Publication number: 20240058408
    Abstract: A method for preventing or treating a macular degeneration disease, comprising administering a composition comprising a ginseng berry extract to a subject in need thereof. Since the composition can inhibit AE2 accumulation in retinal pigment epithelial cells, inhibit photooxidation, and inhibit outer nuclear layer damage of visual cells, it can be usefully used in preventing or treating macular degeneration disease.
    Type: Application
    Filed: December 14, 2021
    Publication date: February 22, 2024
    Inventors: Sang Jun LEE, Se Young CHUNG