Patents by Inventor Hyunsu CHO

Hyunsu CHO 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: 20240145366
    Abstract: A method of manufacturing a semiconductor package including forming a first semiconductor chip including a first substrate having a first and second surfaces and forming a second semiconductor chip including a second substrate having third and fourth surfaces. Arranging the second semiconductor chip on the first semiconductor chip such that bonding pads that are exposed from the front surface of the second semiconductor chip are bonded to conductive pads that are exposed from the rear surface of the first semiconductor chip. Forming a first through via having a first diameter and that penetrates the first substrate. Forming an insulating layer that exposes a first end of the first through via on the second surface of the first substrate, etching the first end of the first through via to a first depth, and applying a conductive material to the first end to form the conductive pad having a second diameter.
    Type: Application
    Filed: May 1, 2023
    Publication date: May 2, 2024
    Inventors: Dongjoon Oh, Jumyong Park, Solji Song, Hyunchul Jung, Sanghoo Cho, Hyunsu Hwang
  • Publication number: 20240057431
    Abstract: A display device includes a first pixel and a second pixel, which are disposed adjacent to each other in a first direction and are alternately and repeatedly arranged. The first pixel includes a first sub-pixel, a second sub-pixel, and two third sub-pixels, which are arranged in a 2×2 matrix form. The second pixel includes a fourth sub-pixel, a fifth sub-pixel, and two sixth sub-pixels, which are arranged in a 2×2 matrix form. The first to third sub-pixels include sub-pixels having colors different from each other. The fourth to sixth sub-pixels include sub-pixels having colors different from each other. The first sub-pixel and the fourth sub-pixel include sub-pixels having the same color. The second sub-pixel and the fifth sub-pixel include sub-pixels having the same color. The third sub-pixels and the sixth sub-pixels include sub-pixels having the same color. The first pixel and the second pixel have a line symmetry relationship.
    Type: Application
    Filed: June 29, 2023
    Publication date: February 15, 2024
    Applicant: Electronics and Telecommunications Research Institute
    Inventor: Hyunsu CHO
  • Publication number: 20240057429
    Abstract: Provided is a display device. The display device includes a substrate and a first pixel and a second pixel, which are disposed adjacent to each other in a first direction parallel to a top surface of the substrate. Each of the first pixel and the second pixel is provided in plurality and is alternately and repeatedly arranged in the first direction. The first pixel includes a first sub-pixel, a second sub-pixel, and a third sub-pixel, which are sequentially arranged in the first direction. The second pixel includes a fourth sub-pixel, a fifth sub-pixel, and a sixth sub-pixel, which are sequentially arranged in the first direction. The first to third sub-pixels include sub-pixels having colors different from each other. The fourth to sixth sub-pixels include sub-pixels having colors different from each other. The third sub-pixel and the fourth sub-pixel include sub-pixels that are disposed adjacent to each other and have the same color.
    Type: Application
    Filed: June 16, 2023
    Publication date: February 15, 2024
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventor: Hyunsu CHO
  • Publication number: 20240057436
    Abstract: Disclosed is a display device. An embodiment of the inventive concept provides a display device that includes a substrate including a first sub pixel region, a second sub pixel region, and a third sub pixel region, reflective bottom electrodes provided on the substrate, a blue light emitting layer provided on the lower reflective electrodes, an encapsulation layer provided on the blue light emitting layer, a green color conversion layer provided on the encapsulation layer in the first sub pixel region, a color conversion layer provided on the encapsulation layer in the second sub pixel region, a blue reflective layer provided on both the green color conversion layer and the color conversion layer, and a blue transmissive layer disposed adjacent to the color conversion layer and provided on the encapsulation layer in the third sub pixel region.
    Type: Application
    Filed: May 10, 2023
    Publication date: February 15, 2024
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Chan-mo KANG, Byoung-Hwa KWON, Gi Heon KIM, Jin-Wook SHIN, Nam Sung CHO, Hyunsu CHO, Sukyung CHOI
  • Publication number: 20230389400
    Abstract: Provided is a flexible organic light emitting element that may include a flexible substrate, a circuit element layer on the flexible substrate, an emission layer on the circuit element layer, a first encapsulation structure between the flexible substrate and the circuit element layer, and a second encapsulation structure on the emission layer, wherein the first encapsulation structure includes a first inorganic layer and a first organic layer, which are sequentially stacked on an upper surface of the flexible substrate, and the first organic layer includes a first polymer nanocomposite.
    Type: Application
    Filed: April 19, 2023
    Publication date: November 30, 2023
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Byoung-Hwa KWON, Chan-mo KANG, Kukjoo KIM, Gi Heon KIM, Sujung KIM, Sooji NAM, Chunwon BYUN, Jin-Wook SHIN, Jong-Heon YANG, Hyunsu CHO, Sukyung CHOI
  • Patent number: 11476433
    Abstract: Provided is a light emitting device including a lower electrode, an upper electrode disposed to face the lower electrode, a quantum dot light emitting layer between the lower electrode and the upper electrode, an electron transport layer between the lower electrode and the quantum dot light emitting layer, and a hole transport layer between the upper electrode and the quantum dot light emitting layer, wherein the quantum dot light emitting layer includes a quantum dot, and a first ligand on a surface of the quantum dot, and a second ligand on the surface of the quantum dot.
    Type: Grant
    Filed: April 3, 2020
    Date of Patent: October 18, 2022
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Sukyung Choi, Hyunkoo Lee, Byoung-Hwa Kwon, Jaehyun Moon, Hyunsu Cho, Chan-mo Kang, Chunwon Byun, Jin Wook Shin, Nam Sung Cho
  • Patent number: 11430836
    Abstract: A display device according to an embodiment of the inventive concept provides includes a substrate, a green light emitting element group and a blue light emitting element group, which are repeatedly arranged in a first direction parallel to a top surface of the substrate, and a red conversion pattern on the green light emitting element group and the blue light emitting element group. Here, the red conversion pattern overlaps a portion of the green light emitting element group and a portion of the blue light emitting element group in a second direction perpendicular to the top surface of the substrate.
    Type: Grant
    Filed: November 12, 2019
    Date of Patent: August 30, 2022
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Hyunsu Cho, Chan-mo Kang, Byoung-Hwa Kwon, Chunwon Byun, Jin Wook Shin, Hyunkoo Lee, Sukyung Choi
  • Publication number: 20220199706
    Abstract: Provided is a display device. The display device includes a substrate having a pixel area including a first sub-pixel area, a second sub-pixel area, and a third sub-pixel area, a first control layer on the substrate, a second control layer on the first control layer, an intervening layer disposed between the first control layer and the second control layer on the first sub-pixel area and the second sub-pixel area, first quantum dots on the intervening layer of the first sub-pixel area, second quantum dots on the intervening layer of the second sub-pixel area, and an organic layer configured to cover a top surface and a side surface of the intervening layer between the first control layer and the second control layer.
    Type: Application
    Filed: November 12, 2021
    Publication date: June 23, 2022
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Chan-mo KANG, Sukyung CHOI, CHUNWON BYUN, Jin Wook SHIN, Hyunsu CHO
  • Publication number: 20220137436
    Abstract: Provided is a nano structure for controlling optical properties of an optical device. The nano structure includes a substrate, a surface modification layer provided on the substrate to modify surface energy of the substrate, and a capping layer provided on the surface modification layer. The capping layer includes a convex portion having a convex profile away from the surface modification layer and a concave portion that is in contact with the surface modification layer.
    Type: Application
    Filed: October 1, 2021
    Publication date: May 5, 2022
    Inventors: Doo-Hee CHO, Byoung-Hwa KWON, YOUNG SAM PARK, Jin Wook SHIN, Nam Sung CHO, Hyunsu CHO
  • Publication number: 20210066631
    Abstract: Provided is a light emitting device including a lower electrode, an upper electrode disposed to face the lower electrode, a quantum dot light emitting layer between the lower electrode and the upper electrode, an electron transport layer between the lower electrode and the quantum dot light emitting layer, and a hole transport layer between the upper electrode and the quantum dot light emitting layer, wherein the quantum dot light emitting layer includes a quantum dot, and a first ligand on a surface of the quantum dot, and a second ligand on the surface of the quantum dot.
    Type: Application
    Filed: April 3, 2020
    Publication date: March 4, 2021
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Sukyung CHOI, Hyunkoo LEE, Byoung-Hwa KWON, Jaehyun MOON, Hyunsu CHO, Chan-mo KANG, CHUNWON BYUN, Jin Wook SHIN, Nam Sung CHO
  • Publication number: 20210005670
    Abstract: A display device according to an embodiment of the inventive concept provides includes a substrate, a green light emitting element group and a blue light emitting element group, which are repeatedly arranged in a first direction parallel to a top surface of the substrate, and a red conversion pattern on the green light emitting element group and the blue light emitting element group. Here, the red conversion pattern overlaps a portion of the green light emitting element group and a portion of the blue light emitting element group in a second direction perpendicular to the top surface of the substrate.
    Type: Application
    Filed: November 12, 2019
    Publication date: January 7, 2021
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Hyunsu CHO, Chan-mo KANG, Byoung-Hwa KWON, CHUNWON BYUN, Jin Wook SHIN, Hyunkoo LEE, Sukyung CHOI
  • Publication number: 20200352460
    Abstract: A pixel circuit includes a sensing block, a stimulation block, a first line control circuit, and a second line control circuit. The sensing block outputs biometric data of a biosignal in response to a first selection signal. The stimulation block radiates a stimulation signal in response to a second selection signal. The first line control circuit outputs the first selection signal for selecting the sensing block as a target sensing block, and outputs the second selection signal for selecting the stimulation block as a target stimulation block. The second line control circuit processes characteristic data associated with the biometric data and the stimulation signal.
    Type: Application
    Filed: April 20, 2020
    Publication date: November 12, 2020
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: CHUNWON BYUN, O Eun KWON, Chan Woo PARK, Hyunkoo LEE, Sukyung CHOI, Chan-mo KANG, Byoung-Hwa KWON, Chil Seong AH, Hyunsu CHO, JEONG IK LEE, Nam Sung CHO
  • Patent number: 10789448
    Abstract: The inventive concept provides an organic electronic device and a method of fabricating the same. The organic electronic device includes a flexible substrate configured to include a first region and a second region which are laterally spaced apart from each other, an organic light-emitting diode disposed in the first region of the flexible substrate, and a photodetector disposed in the second region of the flexible substrate, wherein the organic light-emitting diode and the photodetector are disposed on the same plane.
    Type: Grant
    Filed: July 13, 2018
    Date of Patent: September 29, 2020
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Young Sam Park, Jaehyun Moon, Seongdeok Ahn, Seung Youl Kang, Sung Haeng Cho, Byoung Gon Yu, Jeong Ik Lee, Jonghee Lee, Nam Sung Cho, Doo-Hee Cho, Hyunsu Cho
  • Patent number: 10490763
    Abstract: Provided is a display device and a manufacturing method thereof. More specifically, the present invention relates to a display device including a nickel oxide thin film co-doped with a copper monovalent cation and a copper divalent cation, and a manufacturing method thereof. The present invention provides a display device including a substrate, a first electrode layer disposed on the substrate, a first common layer disposed on the substrate, a light emitting layer disposed on the first common layer, a second common layer disposed on the light emitting layer, and a second electrode layer disposed on the second common layer, wherein the first common layer includes a nickel oxide thin film co-doped with a first metal cation and a second metal cation, and the oxidation number of the first metal cation and the oxidation number the second metal cation are different from each other.
    Type: Grant
    Filed: August 2, 2018
    Date of Patent: November 26, 2019
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Byoung-Hwa Kwon, Chul Woong Joo, Jonghee Lee, Hyunkoo Lee, Hyunsu Cho, Nam Sung Cho
  • Publication number: 20190213380
    Abstract: Provided is an optical fingerprint recognition sensor. The optical fingerprint recognition sensor includes a transparent light emitting unit configured to emit light to a fingerprint, a light receiving unit disposed below the light emitting unit to vertically overlap the light emitting unit and configured to receive light reflected by the fingerprint, and a control unit disposed below the light emitting unit to vertically overlap the light emitting unit and configured to control the light emitting unit and the light receiving unit. The light emitting unit includes an organic layer.
    Type: Application
    Filed: December 13, 2018
    Publication date: July 11, 2019
    Inventors: Chul Woong JOO, Jonghee LEE, Jae-Eun PI, Byoung-Hwa KWON, Hyunsu CHO, Seung Youl KANG, Seongdeok AHN, Jeong Ik LEE, Nam Sung CHO, Sung Haeng CHO, Woojin SUNG, Jongchan LEE
  • Publication number: 20190131559
    Abstract: Provided is a display device and a manufacturing method thereof. More specifically, the present invention relates to a display device including a nickel oxide thin film co-doped with a copper monovalent cation and a copper divalent cation, and a manufacturing method thereof. The present invention provides a display device including a substrate, a first electrode layer disposed on the substrate, a first common layer disposed on the substrate, a light emitting layer disposed on the first common layer, a second common layer disposed on the light emitting layer, and a second electrode layer disposed on the second common layer, wherein the first common layer includes a nickel oxide thin film co-doped with a first metal cation and a second metal cation, and the oxidation number of the first metal cation and the oxidation number the second metal cation are different from each other.
    Type: Application
    Filed: August 2, 2018
    Publication date: May 2, 2019
    Inventors: Byoung-Hwa KWON, Chul Woong JOO, Jonghee LEE, Hyunkoo LEE, Hyunsu CHO, Nam Sung CHO
  • Publication number: 20190065815
    Abstract: The inventive concept provides an organic electronic device and a method of fabricating the same. The organic electronic device includes a flexible substrate configured to include a first region and a second region which are laterally spaced apart from each other, an organic light-emitting diode disposed in the first region of the flexible substrate, and a photodetector disposed in the second region of the flexible substrate, wherein the organic light-emitting diode and the photodetector are disposed on the same plane.
    Type: Application
    Filed: July 13, 2018
    Publication date: February 28, 2019
    Inventors: Young Sam PARK, Jaehyun MOON, Seongdeok AHN, Seung Youl KANG, Sung Haeng CHO, Byoung Gon YU, Jeong Ik LEE, Jonghee LEE, Nam Sung CHO, Doo-Hee CHO, Hyunsu CHO
  • Patent number: 10147900
    Abstract: Provided are a method for manufacturing an integrated substrate for an organic light emitting diode, an organic light emitting diode, and a method for manufacturing an organic light emitting diode, wherein the method for manufacturing an organic light emitting diode may include forming a sacrificial layer on a release substrate, forming a first electrode on the sacrificial layer, forming on the first electrode an auxiliary electrode pattern having an opening, forming a buffer layer on the auxiliary electrode pattern and in the opening, providing a substrate on the buffer layer, removing the release substrate and the sacrificial layer to expose a first surface of the first electrode, and laminating an organic light emitting layer and a second electrode on the first surface of the first electrode.
    Type: Grant
    Filed: January 6, 2017
    Date of Patent: December 4, 2018
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Doo-Hee Cho, Jonghee Lee, Hyunsu Cho, Byoung-Hwa Kwon, Jaehyun Moon, Young Sam Park, Jin Wook Shin, Byoung Gon Yu, Jeong Ik Lee, Hyunkoo Lee, Jong Tae Lim, Nam Sung Cho, Chul Woong Joo, Jun-Han Han
  • Patent number: 10121990
    Abstract: Disclosed are an organic light emitting device and a method of fabricating the same. The method of fabricating an organic light emitting device comprises forming a flexible substrate, and forming an organic light emitting layer on the flexible substrate. The forming the flexible substrate comprises, forming a first polymer pattern on a first metal layer, forming a second metal layer on an exposed portion of the first metal layer through the first polymer pattern, forming a gas barrier layer on the first polymer pattern and the second metal layer, forming a second polymer layer on the gas barrier layer, and removing the first metal layer to expose a surface of the first polymer pattern and a surface of the second metal layer.
    Type: Grant
    Filed: January 27, 2017
    Date of Patent: November 6, 2018
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Doo-Hee Cho, Jonghee Lee, Hyunsu Cho, Byoung-Hwa Kwon, Jaehyun Moon, Young Sam Park, Jin Wook Shin, Byoung Gon Yu, Hyunkoo Lee, Jong Tae Lim, Nam Sung Cho, Jun-Han Han
  • Patent number: 10033005
    Abstract: Provided is a stretchable substrate, an electronic apparatus, and a method of manufacturing the electronic apparatus. The stretchable substrate includes a base part, first parts extruded from the base part, and second parts disposed between two adjacent first parts. The second parts have top surfaces positioned lower than the top surfaces of the first parts, and have wrinkles with random distribution.
    Type: Grant
    Filed: January 27, 2017
    Date of Patent: July 24, 2018
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Jaehyun Moon, Chan Woo Park, Nam Sung Cho, Jun-Han Han, Seung Koo Park, Sung Ryul Yun, Jeong Ik Lee, Hyunsu Cho, Chul Woong Joo