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: 20240361870
    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: July 8, 2024
    Publication date: October 31, 2024
    Inventors: Sang Hyun CHOI, Yong Hwan PARK, Kwang Soo BAE, Chaun Gi CHOI, Sang Hyun HAN
  • Publication number: 20240276785
    Abstract: A display device includes a first display area including multiple emission areas that each include a light emitting element and a second display area including the emission areas and multiple light transmitting areas, a pixel defining film including multiple openings overlapping the emission areas and the light transmitting areas, a light blocking layer including multiple holes overlapping the emission areas and the light transmitting areas, and multiple color filters disposed in the holes of the light blocking layer and overlapping the emission areas.
    Type: Application
    Filed: September 13, 2023
    Publication date: August 15, 2024
    Applicant: Samsung Display Co., LTD.
    Inventor: Sang Hyun CHOI
  • Patent number: 12032795
    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: February 10, 2023
    Date of Patent: July 9, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Sang Hyun Choi, Yong Hwan Park, Kwang Soo Bae, Chaun Gi Choi, Sang Hyun Han
  • Publication number: 20240183738
    Abstract: Proposed is a leak detection sensor module including. The leak detection sensor module includes a body having an inner space in which a substrate, a transmission member, and a fixing body are mounted, the body having a bottom surface provided with a mounting hole in which a cartridge is mounted, the body having a side surface provided with a connection hole, and the body having steps. Furthermore, the leak detection sensor module includes a cover, the substrate to which an emitting portion and a receiving portion are connected and in which a microcomputer is mounted, the cartridge maintaining an opaque state when oil is not absorbed and being converted to a transparent or translucent state when the cartridge absorbs and reacts with a leaked oil, the transmission member transmitting an emitted light, and the fixing body fixing the substrate, the transmission member, the emitting portion, and the receiving portion.
    Type: Application
    Filed: July 28, 2023
    Publication date: June 6, 2024
    Inventors: Ji Hyeon HEO, Sang Hyun CHOI
  • Publication number: 20240183742
    Abstract: Proposed is a cartridge for a leak detection sensor. The cartridge includes a housing having an inner side thereof provided with a mounting space portion in which a reaction material is mounted, the housing having a plurality of fluid moving grooves in which a leaked oil is capable of being moved toward the reaction material and which is formed around an opening portion of a lower portion of the housing by a predetermined distance. Furthermore, the cartridge includes the reaction material being an opaque material, the reaction material being configured to be converted to a transparent state when the reaction material absorbs oil and reacts with an absorbed oil, and includes a separation prevention plate mounted by being fitted into the opening portion of the housing, the separation prevention plate preventing a separation of the reaction material that is mounted by being fitted into the fluid moving grooves.
    Type: Application
    Filed: July 28, 2023
    Publication date: June 6, 2024
    Inventors: Ji Hyeon HEO, Sang 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: 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: 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: 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
  • Patent number: 11353374
    Abstract: A liquid leak detection sensor has a sensitivity adjustable function, which adjusts a time to sense, that is, the sensitivity of a sensor regardless of whether the viscosity of a leaked liquid is high or low since a sensing position of the sensor can be adjusted according to the viscosity of the leaked liquid and the tilt of an installation place. The sensor includes a fixing connection fixture having a fixing plate with a fixing hole and a connection part formed with an angle adjustment protrusion, which are integrally provided; an insertion connection fixture into which the angle adjustment protrusion of the fixing connection fixture is inserted; a housing coupled to the insertion connection fixture and a substrate inserted into the housing and having a light-receiving unit for receiving light and a light-emitting unit for emitting light; and a lens part installed in the housing.
    Type: Grant
    Filed: May 18, 2018
    Date of Patent: June 7, 2022
    Assignees: AUTOSENSORKOREA CO., LTD.
    Inventors: Ji Hyeon Heo, Sang Hyun Choi
  • Patent number: 11233213
    Abstract: An organic light emitting display device includes a substrate with a first emitting region adjacent a second emitting region, a first anode in the first emitting region, a first organic light emitting layer on the first anode, a second anode in the second emitting region, and a second organic light emitting layer on a part of the first anode and the second anode. The second organic light emitting layer includes a material different from the first organic light emitting layer.
    Type: Grant
    Filed: March 20, 2020
    Date of Patent: January 25, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sang Hyun Choi, Young Nam Yun
  • Publication number: 20210066667
    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: Application
    Filed: May 13, 2020
    Publication date: March 4, 2021
    Inventors: Haeyoung YUN, Soon Il JUNG, Jung-Hyun CHO, Sang-Hyun CHOI, Beohm-Rock CHOI
  • Publication number: 20210033486
    Abstract: A liquid leak detection sensor has a sensitivity adjustable function, which adjusts a time to sense, that is, the sensitivity of a sensor regardless of whether the viscosity of a leaked liquid is high or low since a sensing position of the sensor can be adjusted according to the viscosity of the leaked liquid and the tilt of an installation place. The sensor includes a fixing connection fixture having a fixing plate with a fixing hole and a connection part formed with an angle adjustment protrusion, which are integrally provided; an insertion connection fixture into which the angle adjustment protrusion of the fixing connection fixture is inserted; a housing coupled to the insertion connection fixture and a substrate inserted into the housing and having a light-receiving unit for receiving light and a light-emitting unit for emitting light; and a lens part installed in the housing.
    Type: Application
    Filed: May 18, 2018
    Publication date: February 4, 2021
    Inventors: Ji Hyeon HEO, Sang Hyun CHOI
  • Publication number: 20200220095
    Abstract: An organic light emitting display device includes a substrate with a first emitting region adjacent a second emitting region, a first anode in the first emitting region, a first organic light emitting layer on the first anode, a second anode in the second emitting region, and a second organic light emitting layer on a part of the first anode and the second anode. The second organic light emitting layer includes a material different from the first organic light emitting layer.
    Type: Application
    Filed: March 20, 2020
    Publication date: July 9, 2020
    Inventors: Sang Hyun CHOI, Young Nam YUN
  • Patent number: 10622577
    Abstract: An organic light emitting display device includes a substrate with a first emitting region adjacent a second emitting region, a first anode in the first emitting region, a first organic light emitting layer on the first anode, a second anode in the second emitting region, and a second organic light emitting layer on a part of the first anode and the second anode. The second organic light emitting layer includes a material different from the first organic light emitting layer.
    Type: Grant
    Filed: December 19, 2017
    Date of Patent: April 14, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sang Hyun Choi, Young Nam Yun
  • Patent number: 10147345
    Abstract: Provided is a display device including: a data processor controlling color reproducibility of RGB data under a low illumination environment to process an input image signal; a signal controller dividing the input image signal in a frame unit according to a vertical synchronization signal and the input image signal in a scan line unit according to a horizontal synchronization signal to generate an image data signal; and a data driver receiving the image data signal to transfer a plurality of data signals to each of the plurality of data lines coupled to a plurality of pixels. The display device reduces glaring and provides a higher-definition image to a user due to the accurate representation of neutral white under the high illumination environment.
    Type: Grant
    Filed: June 10, 2016
    Date of Patent: December 4, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sang-Hyun Choi, Young-Nam Yun