Patents by Inventor Dae In Choi

Dae In Choi 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: 20240196736
    Abstract: The present invention relates to an organic light-emitting device employing, as a host of a light emission layer, an anthracene derivative compound having a characteristic structure by introduction of a benzofuran structure into the anthracene backbone, and as a dopant of the light emission layer, a polycyclic compound having a characteristic structure. The organic light-emitting device according to the present invention is an organic light-emitting device with significantly improved external quantum efficiency and can be advantageously utilized not only for lighting devices but also for various display devices, such as flat, flexible, and wearable displays.
    Type: Application
    Filed: March 8, 2022
    Publication date: June 13, 2024
    Inventors: Kyeong-hyeon KIM, Se-jin LEE, Si-in KIM, Seok-bae PARK, Hee-dae KIM, Yeong-tae CHOI, Seung-soo LEE, Ji-yung KIM, Kyung-tae KIM, Myeong-jun KIM, Tae-gyun LEE, Joon-ho KIM
  • Patent number: 11993695
    Abstract: Provided is a thermoplastic resin composition, including (a) 100 parts by weight of a thermoplastic resin including 80-100% by weight of a base resin and 0-20% by weight of a reinforcing resin; (b) 2-60 parts by weight of linear carbon fibers having an average diameter of 1-15 ?m; (c) 1-5 parts by weight of carbon nanofibrils having a BET specific surface area of 200-400 m2/g; (d) 1-15 parts by weight of carbon nanoplates; and (e) 1-25 parts by weight of metal powder, a method of preparing the thermoplastic resin composition, and an injection-molded article manufactured using the thermoplastic resin composition. The thermoplastic resin composition has excellent mechanical properties, e.g.
    Type: Grant
    Filed: November 14, 2019
    Date of Patent: May 28, 2024
    Assignee: LG Chem, Ltd.
    Inventors: Gi Dae Choi, Youngjoo Kim, Eon Seok Lee, Changhun Yun, Minsu Kim
  • 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: 20240156697
    Abstract: An inorganic composite pigment capable of elevating ultraviolet (UV) protection, and a cosmetic composition including the same, in which the inorganic composite pigment includes a core part including a white pigment; and a surface coating material, which is coated on the surface of an external part of the core part, including an inorganic solution that includes the white pigment. Additionally, the white pigment is at least one kind selected from the group consisting of titanium dioxide, zinc oxide, cerium oxide, silica, talc, mica, and borosilicate. The inorganic composite pigment according to the present disclosure capable of elevating a UV protection undergoes surface modification of the pigment through a process of re-coating a white pigment on a white pigment with a high refractive index, thereby elevating the UV protection.
    Type: Application
    Filed: April 7, 2022
    Publication date: May 16, 2024
    Applicant: COSMECCA KOREA CO., LTD.
    Inventors: Hyun Dae CHO, Jong Gun KIM, Jun Pil HWANG, Min Jeung KWON, Se Beom CHOI, A Young PARK, Jae Kyung YU, Ye Seul LEE
  • 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: 20240145346
    Abstract: A semiconductor device includes a substrate with a conductive pattern. A semiconductor die is electrically connected to the substrate and both the semiconductor die and the substrate are at least partially covered by a package body. In some examples, through-mold vias are formed in the package body to provide electrical signal paths from an exterior surface thereof to the conductive pattern of the substrate. In some examples, through-mold vias are included in the package body to provide electrical signal paths between the semiconductor die and an exterior surface of the package body. In some examples, an interposer is electrically connected to the through-mold vias and may be covered by the package body and/or disposed in spaced relation thereto. In some examples, the interposer may not be electrically connected to the through-mold vias but may have one or more semiconductor dies of the semiconductor device electrically connected thereto.
    Type: Application
    Filed: January 8, 2024
    Publication date: May 2, 2024
    Applicant: Amkor Technology Singapore Holding Pte. Ltd
    Inventors: Dong Joo PARK, Jin Seong KIM, Ki Wook LEE, Dae Byoung KANG, Ho CHOI, Kwang Ho KIM, Jae Dong KIM, Yeon Soo JUNG, Sung Hwan CHO
  • Publication number: 20240126169
    Abstract: Provided is a photosensitive resin composition including a reactive unsaturated compound, an alkali soluble resin, an initiator, and a pigment. The reactive unsaturated compound is selected to cause the composition to exhibit high-resolution pattern properties that facilitate forming a pixel defining film in a display device. The reactive unsaturated compound may be an acryl-based compound having at least three ethylenically unsaturated double bond groups in molecules and having a viscosity of about 200 mPa s to about 280 mPa s at 40° C. A display device including such pixel defining film is also presented.
    Type: Application
    Filed: September 27, 2023
    Publication date: April 18, 2024
    Inventors: YANG-HO JUNG, BUM SUNG LEE, CHANG MIN LEE, JUN BAE, NAKCHO CHOI, HOON KANG, DAE-GI KWEON, JUNGI KIM, JIHEE KIM, JUNHO SIM, JAEHUN LEE
  • 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: 11915782
    Abstract: An electronic device including a memory device with improved reliability is provided. The semiconductor device comprises a data pin configured to transmit a data signal, a command/address pin configured to transmit a command and an address, a command/address receiver connected to the command/address pin, and a computing unit connected to the command/address receiver, wherein the command/address receiver receives a first command and a first address from the outside through the command/address pin and generates a first instruction on the basis of the first command and the first address, and the computing unit receives the first instruction and performs computation based on the first instruction.
    Type: Grant
    Filed: August 20, 2021
    Date of Patent: February 27, 2024
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Chang Min Lee, Nam Hyung Kim, Dae Jeong Kim, Do Han Kim, Min Su Kim, Deok Ho Seo, Won Jae Shin, Yong Jun Yu, Il Gyu Jung, In Su Choi
  • Patent number: 11912868
    Abstract: The present invention relates to a conductive concentrated resin composition including (a) 100 parts by weight of a base resin including 50 to 95% by weight of a polyamide resin, 2.5 to 20% by weight of a polar polymer, and 2.5 to 30% by weight of a non-polar polymer, (b) 10 to parts by weight of a carbon nanofibril, (c) 0.5 to 5 parts by weight of a carbon nanoplate, and (d) 0.5 to 4 parts by weight of nanoclay; a conductive polyamide resin composition including the conductive concentrated resin composition; a method of preparing the conductive concentrated resin composition; and a molded article including the conductive polyamide resin composition.
    Type: Grant
    Filed: November 8, 2019
    Date of Patent: February 27, 2024
    Assignee: LG CHEM, LTD.
    Inventors: Gi Dae Choi, Minsu Kim, Eon Seok Lee
  • Patent number: 11888489
    Abstract: In some embodiments of the present disclosure, a delay locked loop includes a coarse delay circuit configured to delay a reference clock signal to generate a first clock signal, a fine delay circuit configured to delay the first clock signal to generate a second clock signal, a first delay circuit configured to delay the second clock signal to generate a third clock signal, a second delay circuit configured to delay the first clock signal to generate a fourth clock signal, a third delay circuit configured to delay the fourth clock signal to generate a fifth clock signal, a phase detector configured to detect a phase difference between the reference clock signal and the fifth clock signal, and a controller configured to adjust, a first delay amount of the coarse delay circuit, a second delay amount of the fine delay circuit and a third delay amount of the third delay circuit.
    Type: Grant
    Filed: August 15, 2022
    Date of Patent: January 30, 2024
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Junsub Yoon, Hun-Dae Choi
  • Publication number: 20230374302
    Abstract: A thermoplastic resin composition including 100 parts by weight of a base resin including 50-95% by weight of a polyarylene ether resin (a-1) and 5-50% by weight of a polystyrene resin (a-2); 8.5-16 parts by weight of two or more types of organophosphorus flame retardants (b) having different phosphorus contents; 0.5-3 parts by weight of organoclay (c); 0.5-3.5 parts by weight of pulverized mica (d); 1-4 parts by weight of an alkaline earth metal sulfate (e); and 1-5 parts by weight of a polyfunctional reactant (f), a method of preparing the thermoplastic resin composition, and a molded article including the thermoplastic resin composition. The thermoplastic resin composition has excellent mechanical properties, such as impact strength and tensile strength, heat resistance, electrical insulation, and flame retardancy.
    Type: Application
    Filed: July 21, 2021
    Publication date: November 23, 2023
    Inventors: Gi Dae CHOI, Hyuntae KIM, Myong Jo HAM, Hyeseung HAM, Jinseon KIM
  • Publication number: 20230295806
    Abstract: A gas injection apparatus includes a supply block including central gas ports configured to supply a process gas provided from a gas supply source; a diffusion cover under the supply block and including a branch duct which is connected to the central gas ports; a plurality of spray nozzles on a lower surface of the diffusion cover and connected to the branch duct, the plurality of spray nozzles configured to spray the process gas; and a shower head under the plurality of spray nozzles and including a plurality of spray holes vertically passing through the shower head, the plurality of spray holes configured to evenly spray the process gas sprayed by the plurality of spray nozzles. The diffusion cover further includes a concave portion at an upper surface thereof, the concave portion facing the central gas ports and concaved downward.
    Type: Application
    Filed: March 14, 2023
    Publication date: September 21, 2023
    Applicant: HANWHA CORPORATION
    Inventors: Sang Bo KIM, Su Woong KIM, Seung Dae CHOI
  • Publication number: 20230253971
    Abstract: In some embodiments of the present disclosure, a delay locked loop includes a coarse delay circuit configured to delay a reference clock signal to generate a first clock signal, a fine delay circuit configured to delay the first clock signal to generate a second clock signal, a first delay circuit configured to delay the second clock signal to generate a third clock signal, a second delay circuit configured to delay the first clock signal to generate a fourth clock signal, a third delay circuit configured to delay the fourth clock signal to generate a fifth clock signal, a phase detector configured to detect a phase difference between the reference clock signal and the fifth clock signal, and a controller configured to adjust, a first delay amount of the coarse delay circuit, a second delay amount of the fine delay circuit and a third delay amount of the third delay circuit.
    Type: Application
    Filed: August 15, 2022
    Publication date: August 10, 2023
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Junsub YOON, Hun-Dae CHOI
  • Publication number: 20230195318
    Abstract: A data processing device according to one embodiment of the present disclosure includes: a memory including at least one unit block composed of a setting information block configured to store setting information required for processing an image signal and a header configured to store basic information about the setting information; and a setting controller configured to receive the setting information from the memory, wherein the setting controller includes: a memory map configured to store the setting information received from the memory; a memory controller configured to sequentially request the basic information and the setting information stored in the at least one unit block; and a setting information signal output unit configured to generate and output a setting information signal and an enable signal corresponding to each unit block using the basic information and the setting information received through the memory controller.
    Type: Application
    Filed: November 28, 2022
    Publication date: June 22, 2023
    Inventors: Sang Dae CHOI, Na Young Jo
  • Patent number: 11651813
    Abstract: A clock correction circuit in which a correction accuracy of a duty cycle is increased is provided.
    Type: Grant
    Filed: July 20, 2021
    Date of Patent: May 16, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hun-Dae Choi, Ga Ram Choi
  • Publication number: 20230076846
    Abstract: The present disclosure relates to a Beauveria bassiana KNU-101 strain. The Beauveria bassiana KNU-101 strain is entomopathogenic, exhibits an excellent insecticidal effect on controlling thrips, which are soil pests that harm crops, and also has excellent sporulation ability. Thus, the Beauveria bassiana KNU-101 strain may be effectively used as an environmentally friendly means for controlling pests.
    Type: Application
    Filed: November 15, 2019
    Publication date: March 9, 2023
    Inventors: JAE HO SHIN, CHANG EON PAKR, YEON GYUN JUNG, SEUNG DAE CHOI, YEONG JUN PARK, HYUNG WOO JO, MIN JI KIM, MIN KYU PARK, MIN CHUL KIM
  • Patent number: 11585413
    Abstract: A power transmission apparatus of a hybrid electric vehicle includes an input shaft configured of receiving an engine torque, a motor shaft configured of receiving a torque of a motor/generator, first and second planetary gear sets respectively having first to third rotation elements and fourth to sixth rotation elements, a first shaft connected to the first rotation element and selectively connectable to each of the input shaft and the motor shaft, a second shaft fixedly connecting the second and fifth rotation elements, and selectively connectable to the input shaft, the motor shaft, and a transmission housing, respectively, a third shaft fixedly connecting the third and fourth rotation elements and selectively connectable to the transmission housing, a fourth shaft fixedly connecting the sixth rotation element and an output gear, and a plurality of engagement elements including at least one clutch and at least one brake.
    Type: Grant
    Filed: April 11, 2022
    Date of Patent: February 21, 2023
    Assignees: Hyundai Motor Company, Kia Corporation
    Inventors: Hyu Tae Shim, Bong Hyun Cho, Jae Young Jeon, Byung Dae Choi, Hyung-Min Kim, Jin Yong Kim, Gwang Soo Hwang, Jun Seong Kang
  • Publication number: 20220399192
    Abstract: A substrate processing device according to an embodiment of the present invention includes a disk part disposed in a chamber in which a heating means is provided, and a pocket part installed on one surface of the disk part and on which a substrate is seated. A heat hole through which heat generated by the heating means passes may be formed on an installation surface of the disk part on which the pocket part is installed, or a gear hole through which the heat of the heating means passes may be formed in a pocket gear facing the disk part.
    Type: Application
    Filed: November 22, 2019
    Publication date: December 15, 2022
    Inventors: Su Woong KIM, Dong Won SEO, Jae Wook CHOI, Sang Bo KIM, Sang Yoon MOON, Han Young KONG, Seung Dae CHOI, Baek Ju LEE, Jae Soon HWANG
  • Patent number: 11518228
    Abstract: A powertrain for a hybrid vehicle includes: a complex planetary gear set including a first rotary element, a second rotary element, a third rotary element, and a fourth rotary element; an input shaft connected with an engine and installed to be able to be selectively connected to each of the first rotary element and the second rotary element of the complex planetary gear set; a motor generator connected to the first rotary element of the complex planetary gear set; a first brake installed to be able to fixedly connect the second rotary element of the complex planetary gear set to a transmission case; a second brake installed to be able to fixedly connect the third rotary element of the complex planetary gear set to the transmission case; and an output shaft connected to the fourth rotary element of the complex planetary gear set.
    Type: Grant
    Filed: October 27, 2020
    Date of Patent: December 6, 2022
    Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventors: Hyu Tae Shim, Bong Hyun Cho, Jae Young Jeon, Byung Dae Choi, Hyung Min Kim, Jin Yong Kim, Gwang Soo Hwang, Jun Seong Kang