Patents by Inventor Bae Lee

Bae 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).

  • Patent number: 11990099
    Abstract: Provided a source driver integrated circuit (IC) and a display driving device eliminating an existing input pad and internal wiring of a source driver integrated circuit (IC) for receiving a sensing reference voltage from an external voltage source by allowing the sensing reference voltage for initializing pixels during sensing of the pixels to be generated by an internal voltage source, rather than the external voltage source.
    Type: Grant
    Filed: June 16, 2023
    Date of Patent: May 21, 2024
    Assignee: LX SEMICON CO., LTD.
    Inventors: Seung Hwan Ji, Ho Sung Hong, Ye Ji Lee, Jung Bae Yun
  • Patent number: 11990615
    Abstract: A cathode active material for a lithium secondary battery includes a lithium-transition metal composite oxide particle having a lattice strain (?) of 0.18 or less, which is calculated by applying Williamson-Hall method defined by Equation 1 to XRD peaks measured through XRD analysis, and having an XRD peak intensity ratio of 8.9% or less, which is defined by Equation 2. By controlling the lattice strain and XRD peak intensity ratio of the lithium-transition metal composite oxide particle, a lithium secondary battery with improved life-span characteristics as well as output characteristics is provided.
    Type: Grant
    Filed: March 7, 2023
    Date of Patent: May 21, 2024
    Assignee: SK ON CO., LTD.
    Inventors: Sang Han Lee, Min Gu Kang, Jeong Bae Yoon, Yong Hyun Cho
  • Patent number: 11987664
    Abstract: Embodiments of the invention relate to a novel class of polymers with superior mechanical properties and chemical stability, as compared to known polymers. These polymers are particularly well suited for use in anion exchange membranes (AEMs), including those employed in fuel cells. Novel methods for the manufacture of these polymers are also described.
    Type: Grant
    Filed: January 6, 2022
    Date of Patent: May 21, 2024
    Assignee: Rensselaer Polytechnic Institute
    Inventors: Chulsung Bae, Woo-Hyung Lee
  • Publication number: 20240164206
    Abstract: The present invention relates to: a pyrene derivative compound having a specific structure; and a high efficiency organic light-emitting device employing the pyrene derivative compound in a light emitting layer and thus having excellent light-emitting characteristics. The organic light-emitting device according to the present invention can be configured as a high efficiency organic light-emitting device having excellent light-emitting characteristics by employing the pyrene derivative compound having the specific structure as a host in the light emitting layer, and thus can be usefully applied industrially in lighting devices, as well as various display devices such as flat, flexible, and wearable displays.
    Type: Application
    Filed: February 15, 2022
    Publication date: May 16, 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: 20240159356
    Abstract: Proposed is an apparatus for supplying hydrogen to various mobility products using hydrogen as fuel, that is, a hydrogen station. An integrated and mobile automatic hydrogen station achieves miniaturization by increasing space efficiency by adopting a structure that can supply high-pressure hydrogen directly from a hydrogen generating source without having a hydrogen storage tank so as to facilitate movement to sites operating hydrogen-fueled mobility products and ensure the airtightness of a gas supply path at the same time, and measures physical state variables such as pressure and temperature of gas being supplied in real time and automatically controls a supply process on the basis of the measurement so as to increase gas filling efficiency while improving safety and user convenience of a filling process.
    Type: Application
    Filed: April 6, 2022
    Publication date: May 16, 2024
    Inventors: Gyu Jung SHIM, Chul Bae LEE
  • Publication number: 20240162397
    Abstract: A display device includes a pixel electrode disposed on a substrate, a bank layer disposed on the substrate and the pixel electrode, and separating an emission area from a non-emission area, light emitting elements each arranged on the pixel electrode and including a first semiconductor layer, a second semiconductor layer, and an active layer disposed between the first semiconductor layer and the second semiconductor layer, a first capping layer disposed on the pixel electrode and surrounding side surfaces of the light emitting elements, a first reflective layer disposed on the first capping layer and surrounding the side surfaces of the light emitting elements, a first via layer disposed on the first reflective layer, a second via layer disposed on the first via layer, and a common electrode disposed on the second via layer and the light emitting elements.
    Type: Application
    Filed: November 13, 2023
    Publication date: May 16, 2024
    Applicant: Samsung Display Co., LTD.
    Inventors: Se Hyun LEE, Kyung Bae KIM, Kwi Hyun KIM, Jin Joo HA
  • Patent number: 11981659
    Abstract: The present invention relates to novel mesylate salt of N-(5-(4-(4-((dimethylamino)methyl)-3-phenyl-1H-pyrazol-1-yl)pyrimidine-2-ylamino)-4-methoxy-2-morpholinophenyl)acrylamide, a novel crystalline form thereof, and a process for preparing the same. More specifically, the present invention relates to mesylate salt of N-(5-(4-(4-((dimethylamino)methyl)-3-phenyl-1H-pyrazol-1-yl)pyrimidine-2-ylamino)-4-methoxy-2-morpholinophenyl)acrylamide, which is excellent in stability, solubility, and bioavailability when it is administered not only alone but also in combination with other drugs and which has a high purity, a crystalline form thereof, and a process for preparing the same.
    Type: Grant
    Filed: March 17, 2022
    Date of Patent: May 14, 2024
    Assignee: Yuhan Corporation
    Inventors: Sang Ho Oh, Jong Gyun Kim, Se-Woong Oh, Tae Dong Han, Soo Yong Chung, Seong Ran Lee, Kyeong Bae Kim, Young Sung Lee, Woo Seob Shin, Hyun Ju, Jeong Ki Kang, Su Min Park, Dong Kyun Kim
  • 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: 20240150924
    Abstract: A method for removing ferric ions contained in a sulfate-based iron electroplating solution comprises a step of regeneration for reduction of the ferric ions by circulating a ferric ion-containing sulfate-based iron electroplating solution in a solution bath containing ferrous metal charged therein, wherein the ferrous metal is charged in an amount that satisfies the following formula (1): S?0.01 Iconv/Cmax (1). In formula (1), S indicates a total surface (m2) of ferrous metal, Cmax indicates a maximum permissible ion concentration level (g/L) of the ferric ions in the solution, and Iconv indicates, as represented by the following formula (2), converted current (A) obtained by dividing the sum of current (I) applied to an electroplated cell during the plating time (tp, sec) by the regeneration time (tr, sec) for reduction of the ferric ions in an electrolyte.
    Type: Application
    Filed: March 22, 2021
    Publication date: May 9, 2024
    Applicant: POSCO CO., LTD
    Inventors: Jin-Ho Jung, Won-Hwi Lee, Kkoch-Nim Oh, Sang-Bae Lim
  • Patent number: 11977973
    Abstract: A neuron circuit and an operating method thereof are disclosed. The neuron circuit may include an input unit to which an input pulse is applied, a bipolar memristor configured to have one end connected to one end of the input unit, a first capacitor configured to be connected between the one end of the bipolar memristor and a ground, a first diode configured to have an anode connected to the one end of the bipolar component, a second capacitor configured to have one end connected to a cathode of the first diode, a first switch configured to be connected between the one end of the second capacitor and the ground, and a second switch configured to be connected between the anode of the first diode and the other end of the second capacitor.
    Type: Grant
    Filed: October 30, 2019
    Date of Patent: May 7, 2024
    Assignees: Electronics and Telecommunications Research Institute, Konkuk University Industrial Cooperation Corp
    Inventors: Jong Pil Im, Bae Ho Park, Jeong Hun Kim, Seungeon Moon, Chansoo Yoon, Jaewoo Lee, Solyee Im
  • Patent number: 11979727
    Abstract: Disclosed herein is an earphone module having a speaker capable of reproducing both high- and low-pitched sounds. In an earphone module according to the present invention, two coils and terminal members configured to be electrically connected to the two coils are provided, the two coils and the terminal members are assembled by electrically connecting the two coils and the terminal members to each other, and then the terminal members are connected to an external input circuit through the exposure window of a housing. Accordingly, the manufacturing operation is facilitated and the defect rate is reduced, so that the mass productivity is improved.
    Type: Grant
    Filed: July 11, 2022
    Date of Patent: May 7, 2024
    Assignee: CRESYN CO., LTD.
    Inventors: Jong Bae Lee, Ji Sang Jeon, Jong Man Kim
  • Patent number: 11978400
    Abstract: The present disclosure provides a technology for converting, into digital data, a sensing signal sensed from each pixel of a display panel and compensating for differences between LED elements.
    Type: Grant
    Filed: December 1, 2022
    Date of Patent: May 7, 2024
    Assignee: LX SEMICON CO., LTD.
    Inventors: Jun Young Shin, Ye Ji Lee, Min Young Jeong, Jung Bae Yun
  • Publication number: 20240141097
    Abstract: Embodiments of the invention relate to a novel class of polymers with superior mechanical properties and chemical stability, as compared to known polymers. These polymers are particularly well suited for use in anion exchange membranes (AEMs), including those employed in fuel cells. Novel methods for the manufacture of these polymers are also described.
    Type: Application
    Filed: October 24, 2023
    Publication date: May 2, 2024
    Inventors: Chulsung Bae, Woo-Hyung Lee
  • Patent number: 11973209
    Abstract: A positive electrode active material for a secondary battery includes a lithium composite transition metal oxide including nickel (Ni), cobalt (Co), and manganese (Mn), wherein the lithium composite transition metal oxide has a layered crystal structure of space group R3m, includes the nickel (Ni) in an amount of 60 mol % or less based on a total amount of transition metals, includes the cobalt (Co) in an amount greater than an amount of the manganese (Mn), and is composed of single particles.
    Type: Grant
    Filed: June 7, 2019
    Date of Patent: April 30, 2024
    Assignee: LG Chem, Ltd.
    Inventors: Eun Hee Lee, Seong Bae Kim, Young Su Park, Yi Rang Lim, Hong Kyu Park, Song Yi Yang, Byung Hyun Hwang, Woo Hyun Kim
  • 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: 20240136404
    Abstract: Disclosed are a SiC MOSFET power semiconductor device and a method of manufacturing the same. More particularly, a SiC MOSFET power semiconductor device and a method of manufacturing the same are disclosed, including a trench gate having a hexagonal shape in a plan or layout view, to improve on-resistance (Rsp) characteristics and increase channel density.
    Type: Application
    Filed: April 20, 2023
    Publication date: April 25, 2024
    Inventors: Hee Bae LEE, Jae Yuhn MOON, Seung Hyun KIM
  • Publication number: 20240134487
    Abstract: A touch sensor includes first touch cells disposed in a first touch sensing area, the first touch cells each including a first touch pattern and a first dummy pattern, and second touch cells disposed in a second touch sensing area, the second touch cells each including a second touch pattern and a second dummy pattern. An area of a first dummy pattern area in which the first dummy pattern is disposed is greater than an area of a second dummy pattern area in which the second dummy pattern is disposed.
    Type: Application
    Filed: January 2, 2024
    Publication date: April 25, 2024
    Inventors: Hyung Bae KIM, Min Hong KIM, Sang Kook KIM, Tae Joon KIM, Jae Hyun PARK, Ji Yeong LEE, Hyun Wook CHO
  • Publication number: 20240138077
    Abstract: A circuit board according to an embodiment includes a first insulating layer; a second insulating layer disposed on the first insulating layer and including a cavity; a pad disposed on the first insulating layer and having a top surface exposed through the cavity; wherein the cavity of the second insulating layer includes: a bottom surface positioned higher than the top surface of the first insulating layer; and an inner wall extending from the bottom surface, wherein the inner wall includes: a first inner wall extending from the bottom surface and having a first inclination angle; and a second inner wall extending from the first inner wall and having a second inclination angle different from the first inclination angle.
    Type: Application
    Filed: April 25, 2021
    Publication date: April 25, 2024
    Inventors: Jong Bae SHIN, Soo Min LEE, Jae Hun JEONG
  • Patent number: 11965014
    Abstract: The present invention relates to a novel chimeric antigen receptor comprising a CD99 region which participates in immune synapse stabilization as a backbone of the chimeric antigen receptor, an immune cell comprising the same, and the uses thereof. CD99-based CAR-T cells are capable of forming very stable immune synapses with tumor cells compared to conventional backbone-based CAR-T cells and can exhibit improved tumor therapeutic efficiency, so they can be useful for immune cell therapy for the treatment of cancer.
    Type: Grant
    Filed: July 28, 2021
    Date of Patent: April 23, 2024
    Assignee: TICAROS CO., LTD.
    Inventors: Kyungho Choi, Eun-Young Choi, Giri Nam, Hyung-Bae Park, Ji-Eun Lee, Hye-Ran Yeon
  • Patent number: D1026855
    Type: Grant
    Filed: July 27, 2022
    Date of Patent: May 14, 2024
    Assignee: CRESYN CO., LTD.
    Inventors: Jong Bae Lee, JinHo Hwang