Patents by Inventor Sang Hyun Choi

Sang Hyun 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: 20240131910
    Abstract: A vehicle body frame includes a lower frame fixed to a floor of a vehicle to define a lower region of an internal space in the vehicle, a roof frame connected to an upper portion of the lower frame to define an upper region of the internal space, configured to slid in a vertical direction of the vehicle with respect to the lower frame, to expand the internal space upwards when the roof frame slides upwards, a lower door frame forming a lower portion of a vehicle door, and an upper door frame connected to the lower door frame to form an upper portion of the vehicle door, and configured to slid together with the roof frame to expand the vehicle door upwards when the roof frame slides upwards.
    Type: Application
    Filed: April 12, 2023
    Publication date: April 25, 2024
    Applicants: Hyundai Motor Company, Kia Corporation
    Inventors: Ki Hyun CHOI, Ji Hyun SONG, Hyung Sik CHOI, Sun In YOU, Sang Heon LEE, Jin Ho HWANG, Dong Eun CHA, Won Chan LEE
  • Publication number: 20240125168
    Abstract: A docking system between a vehicle and a building and a control method therefor include an entrance frame configured to extend in a direction towards a vehicle door, an external door provided at a side of the vehicle door to be opened, an internal door spaced from the external door and provided at a side of the building to be opened, and a sealing unit inserted into the entrance frame to be provided between the external door and the internal door, and configured to selectively extend in the direction toward the vehicle door to connect an internal space of the vehicle and an indoor space of the building into one space.
    Type: Application
    Filed: April 14, 2023
    Publication date: April 18, 2024
    Applicants: Hyundai Motor Company, Kia Corporation
    Inventors: Ki Hyun Choi, Hyung Sik Choi, Sun In You, Sang Heon Lee, Ji Hyun Song, Won Chan Lee
  • Publication number: 20240130111
    Abstract: A semiconductor device may comprise: a plurality of lower electrodes which are on a substrate; a first electrode support which is between adjacent lower electrodes and comprises a metallic material; a dielectric layer which is on the lower electrodes and the first electrode support to extend along profiles of the first electrode support and each of the lower electrodes; and an upper electrode which is on the dielectric layer.
    Type: Application
    Filed: December 26, 2023
    Publication date: April 18, 2024
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Yoon Young CHOI, Seung Jin KIM, Byung-Hyun LEE, Sang Jae PARK
  • Patent number: 11963439
    Abstract: The present disclosure relates to an organic electroluminescent compound and an organic electroluminescent device comprising the same. By comprising the compound according to the present disclosure, it is possible to produce an organic electroluminescent device having improved driving voltage, power efficiency, and/or lifetime properties compared to the conventional organic electroluminescent devices.
    Type: Grant
    Filed: August 24, 2022
    Date of Patent: April 16, 2024
    Assignee: Rohm and Haas Electronic Materials Korea Ltd.
    Inventors: Eun-Joung Choi, Young-Kwang Kim, Su-Hyun Lee, So-Young Jung, YeJin Jeon, Hong-Se Oh, Dong-Hyung Lee, Jin-Man Kim, Hyun-Woo Kang, Mi-Ja Lee, Hee-Ryong Kang, Hyo-Nim Shin, Jeong-Hwan Jeon, Sang-Hee Cho
  • Publication number: 20240120287
    Abstract: Provided is an overlay mark. The overlay mark comprises a substrate, a lower overlay in the substrate, a pattern layer on the substrate, and an upper overlay defining an opening on the pattern layer. The lower overlay does not overlap the upper overlay in a thickness direction of the substrate.
    Type: Application
    Filed: October 3, 2023
    Publication date: April 11, 2024
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Sang Won PARK, A Yeong CHA, Byeong-Hwan SON, Hye Jin LEE, Jung Hyun CHOI, Jong Hee HAN
  • Patent number: 11956997
    Abstract: A display device according to an exemplary embodiment includes: a substrate including a display area and a transmission area; a metal blocking layer disposed in the display area of the substrate; an inorganic insulating layer disposed on the metal blocking film; a transistor disposed on the inorganic insulating layer; an emission layer connected to the transistor; and a light blocking layer and a color filter disposed on the emission layer of the display area, wherein the edge of the light blocking layer is protruded toward the transmission area more than the edge of the metal blocking layer.
    Type: Grant
    Filed: August 23, 2021
    Date of Patent: April 9, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Se Wan Son, Nak Cho Choi, Moo Soon Ko, Dong Hyun Son, Sang Hoon Oh, Jin Goo Jung, Kyung Hyun Choi, Hae-Yeon Lee, Seong Min Cho
  • Publication number: 20240099081
    Abstract: A flexible display device including a substrate, a light emitting layer, a first insulating layer, and a conductive layer. The substrate includes a bent region and a non-bent region. The light emitting layer overlaps the non-bent region. The first insulating layer is disposed on the substrate. The conductive layer is disposed on the first insulating layer. A sidewall of the first insulating layer includes a first tapered surface. The first tapered surface includes at least three curved surface portions continuously arranged with one another.
    Type: Application
    Filed: November 27, 2023
    Publication date: March 21, 2024
    Inventors: Ki Hyun CHO, Yong Jae PARK, Sang Jo LEE, Won Suk CHOI, Yoon Sun CHOI
  • 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: 11932993
    Abstract: A paper coating composition, methods for making the same, and a coated paper. The paper coating composition comprises a solvent, an ethylene-(meth)acrylic acid copolymer, a basic compound, and a polycarbodiimide-based curing agent, wherein the polycarbodiimide-based curing agent has a carbodiimide group equivalent of about 150 to about 350. The coating of the coated paper likewise comprises an ethylene-(meth)acrylic acid copolymer crosslinked by N-acylurea groups.
    Type: Grant
    Filed: May 26, 2023
    Date of Patent: March 19, 2024
    Assignees: SK Innovation Co., Ltd., SK Geo Centric Co., Ltd.
    Inventors: Dong Hyun Woo, Sang Ha Son, Ji Hyeon Choi, Bu Yeon Hwang
  • Patent number: 11930670
    Abstract: A display device comprises a substrate; a driving transistor including a first active layer and a switching transistor including a second active layer, the first active layer and the second active layer being disposed on the substrate; a first gate insulating layer disposed on the first active layer of the driving transistor and the second active layer of the switching transistor; first and second gate electrodes disposed on the first gate insulating layer to overlap the first active layer of the driving transistor and the second active layer of the switching transistor, respectively; a first interlayer insulating layer disposed on the first gate electrode and the second gate electrode; and a second interlayer insulating layer disposed on the first interlayer insulating layer to overlap the first active layer without overlapping the second active layer in a plan view.
    Type: Grant
    Filed: May 6, 2021
    Date of Patent: March 12, 2024
    Assignees: Samsung Display Co., Ltd., Industry-University Cooperation Foundation Hanyang University ERICA Campus
    Inventors: Sang Woo Sohn, Saeroonter Oh, Joon Seok Park, Young Joon Choi, Su Hyun Kim, Jun Hyung Lim
  • Publication number: 20240079642
    Abstract: The present invention relates to a method for preparing an alkali metal ion conductive chalcogenide-based solid electrolyte, a solid electrolyte prepared thereby, and an all-solid-state battery comprising the same.
    Type: Application
    Filed: January 11, 2022
    Publication date: March 7, 2024
    Applicant: KOREA ELECTROTECHNOLOGY RESEARCH INSTITUTE
    Inventors: Yoon Cheol HA, Sang Min LEE, Byung Gon KIM, Gum Jae PARK, Jun Woo PARK, Jun Ho PARK, Ji Hyun YU, Won Jae LEE, You Jin LEE, Hae Young CHOI
  • Publication number: 20240079078
    Abstract: A semiconductor device includes a redundancy control signal generation circuit configured to generate a redundancy control signal by determining whether a row address for an active operation has been repaired through a soft post package repair operation and determining whether a row hammer phenomenon has occurred with respect to the row address. The semiconductor device also includes a first selection address generation circuit configured to generate a first selection address for driving a sub word line or a redundancy word line from one of a repair address and a first internal address, based on the redundancy control signal. The semiconductor device further includes a second selection address generation circuit configured to generate a second selection address for driving the sub word line or the redundancy word line from one of a fixed address and a second internal address, based on the redundancy control signal.
    Type: Application
    Filed: December 27, 2022
    Publication date: March 7, 2024
    Applicant: SK hynix Inc.
    Inventors: Sang Hyun KU, Don Hyun CHOI
  • Publication number: 20230195270
    Abstract: A touch sensing device includes first sensor electrodes disposed in a first area, second sensor electrodes disposed in a second area, first sensor lines each connected to the first sensor electrodes in the first area, and second sensor lines each connected to the second sensor electrodes in the second area. Each of the second sensor lines includes a first sub-sensor line disposed in the second area, and a second sub-sensor line disposed in the first area and the second area and connected to the first sub-sensor line.
    Type: Application
    Filed: February 10, 2023
    Publication date: June 22, 2023
    Inventors: Sang Hyun CHOI, Yong Hwan Park, Kwang Soo Bae, Chaun Gi Choi, Sang Hyun Han
  • Publication number: 20230157082
    Abstract: An emissive display device includes a transistor disposed on a substrate, a first insulating layer on the transistor, a separation line disposed on the first insulating layer, a second insulating layer on the first insulating layer, the second insulating layer including a first opening overlapping the separation line, a first and second pixel electrodes on the second insulating layer at opposite sides of the separation line, a pixel defining layer on the second insulating layer, and an emission member on the first and second pixel electrodes, the pixel defining layer, and the separation line. The pixel defining layer includes a second opening overlapping the separation line. The emission member is separated by the separation line. The emission member includes a first emission unit, a charge generating layer on the first emission unit, and a second emission unit on the charge generating layer.
    Type: Application
    Filed: July 13, 2022
    Publication date: May 18, 2023
    Applicant: Samsung Display Co., LTD.
    Inventor: Sang-Hyun CHOI
  • Patent number: 11579739
    Abstract: A touch sensing device includes first sensor electrodes disposed in a first area, second sensor electrodes disposed in a second area, first sensor lines each connected to the first sensor electrodes in the first area, and second sensor lines each connected to the second sensor electrodes in the second area. Each of the second sensor lines includes a first sub-sensor line disposed in the second area, and a second sub-sensor line disposed in the first area and the second area and connected to the first sub-sensor line.
    Type: Grant
    Filed: March 17, 2022
    Date of Patent: February 14, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Sang Hyun Choi, Yong Hwan Park, Kwang Soo Bae, Chaun Gi Choi, Sang Hyun Han
  • Publication number: 20230038020
    Abstract: A touch sensing device includes first sensor electrodes disposed in a first area, second sensor electrodes disposed in a second area, first sensor lines each connected to the first sensor electrodes in the first area, and second sensor lines each connected to the second sensor electrodes in the second area. Each of the second sensor lines includes a first sub-sensor line disposed in the second area, and a second sub-sensor line disposed in the first area and the second area and connected to the first sub-sensor line.
    Type: Application
    Filed: March 17, 2022
    Publication date: February 9, 2023
    Inventors: Sang Hyun CHOI, Yong Hwan PARK, Kwang Soo BAE, Chaun Gi CHOI, Sang Hyun HAN
  • Publication number: 20230041805
    Abstract: The present disclosure relates to a display device. According to an embodiment of the present disclosure, a display device includes a supporter including a plurality of segments disposed to be spaced apart from each other and defining a plurality of holes between the plurality of segments, and a display panel disposed on the supporter. The display panel includes: an active element layer including a light emitting element and a thin film transistor for driving the light emitting element, an encapsulation layer disposed on the active element layer, a plurality of stress dispersion pattern disposed on the encapsulation layer to overlap the plurality of holes in a thickness direction, and an insulating layer disposed on the plurality of stress dispersion pattern and filling a plurality of holes defined between the plurality of stress dispersion pattern.
    Type: Application
    Filed: February 15, 2022
    Publication date: February 9, 2023
    Inventors: Suk KIM, Hoon Gi LEE, Sang Hyun CHOI, Chaun Gi CHOI, Sang Hyun HAN
  • Publication number: 20230037013
    Abstract: A display device includes a substrate which includes a main area, a first auxiliary area extending from a first side of the main area in a first direction, and a sub-area extending from a second side of the main area in a second direction intersecting the first direction. Scan lines are disposed in the main area and the first auxiliary area and extend in the first direction. Data lines are disposed in the main area and the first auxiliary area and extend in the second direction. Sensor lines are disposed in the main area and the first auxiliary area and extend in the first direction. Sensor electrodes are disposed in the main area and the first auxiliary area and are connected to the sensor lines, respectively.
    Type: Application
    Filed: March 9, 2022
    Publication date: February 2, 2023
    Inventors: SANG HYUN CHOI, Hyoeng Ki Kim, Hoon Gi Lee, Chaun Gi Choi
  • Publication number: 20220392978
    Abstract: A display device includes a base substrate; a thin-film transistor disposed on the base substrate; a via layer disposed on the thin-film transistor and having a via hole formed therein, the via hole penetrating the via layer in a thickness direction; a first electrode disposed on the via layer and having an electrode hole formed therein, the electrode hole penetrating the first electrode in the thickness direction; a bank layer disposed on the first electrode and exposing part of a top surface of the first electrode; an emission layer on the first electrode; and a second electrode on the emission layer, wherein the first is electrically connected to the thin-film transistor through the via hole, and the bank layer includes an outer bank pattern, which overlaps with the via hole in the thickness direction, and a bank island pattern, which is disposed in the electrode hole.
    Type: Application
    Filed: April 18, 2022
    Publication date: December 8, 2022
    Inventors: Kwang Soo BAE, Min Jeong OH, Sang Hyun CHOI, Chaun Gi CHOI
  • Patent number: 11489143
    Abstract: A display device includes: a pixel defining layer on a pixel electrode, and having a pixel opening exposing a portion of the pixel electrode; an emission layer on the pixel electrode at the pixel opening; an opposite electrode on the emission layer; a first refractive layer on the opposite electrode, and having a first refractive index, and a refractive opening that overlaps with the pixel opening; and a second refractive layer on the first refractive layer, and having a second refractive index greater than the first refractive index. A minimum gap between the pixel opening and the refractive opening in a plan view is greater than or equal to ?1 ?m and less than or equal to 2.5 ?m, and a width of the refractive opening is less than a width of the pixel opening when the minimum gap is negative, and greater when the minimum gap is positive.
    Type: Grant
    Filed: May 13, 2020
    Date of Patent: November 1, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Haeyoung Yun, Soon Il Jung, Jung-Hyun Cho, Sang-Hyun Choi, Beohm-Rock Choi