Patents by Inventor Heon-Sik HA

Heon-Sik HA 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: 20240138142
    Abstract: Disclosed is a semiconductor memory device including a peripheral gate structure on a substrate, bitlines disposed on the peripheral gate structure and extending in a first direction, a protruding insulating pattern including channel trenches, extending in a second direction intersecting the first direction, channel structures disposed on the bitlines in the channel trenches and including a metal oxide, first wordlines disposed on the channel structures and extending in the second direction, second wordlines disposed on the channel structures, extending in the second direction, and spaced apart from the first wordlines in the first direction, landing pads disposed on the channel structures and connected to the channel structures, pad separation patterns disposed on the protruding insulating pattern and separating the landing pads, first passage patterns connected to the protruding insulating pattern through pad separation patterns and formed of an oxide-based insulating material, and data storage patterns dis
    Type: Application
    Filed: July 11, 2023
    Publication date: April 25, 2024
    Inventors: Jul Pin PARK, Jae Joon SONG, Heon Jun HA, Dong-Sik PARK
  • Patent number: 11756938
    Abstract: A light emitting device includes: a substrate; a first electrode and a second electrode on the substrate and spaced apart from each other; a light emitting diode between the first electrode and the second electrode and connected to the first and second electrodes; a first contact on the first electrode; and a second contact on the second electrode. The first contact contacts the first electrode and a first portion of the light emitting diode, and the second contact contacts the second electrode and a second portion of the light emitting diode.
    Type: Grant
    Filed: August 17, 2021
    Date of Patent: September 12, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yeoung Keol Woo, Chui Min Bae, Heon Sik Ha
  • Publication number: 20230017147
    Abstract: A display device includes a substrate, a light emitting element on the substrate, and including a first end portion and a second end portion that are aligned in a first direction that is substantially parallel to an upper surface of the substrate, a first contact electrode in contact with the first end portion of the light emitting element, a first electrode on the first contact electrode, and electrically connected to the first end portion of the light emitting element through the first contact electrode, and a second electrode electrically connected to the second end portion of the light emitting element.
    Type: Application
    Filed: May 20, 2022
    Publication date: January 19, 2023
    Inventors: Heon Sik HA, Kwang Hyun KIM
  • Patent number: 11502216
    Abstract: A method of manufacturing a photo sensor includes forming a first conductive layer on a substrate, the first conductive layer including a metal layer and a transparent conductive oxide layer formed on the metal layer, forming a photoconductive layer on the first conductive layer, forming a second conductive layer on the photoconductive layer, forming a first photoresist pattern on the second conductive layer, etching the second conductive layer using the first photoresist pattern as an etch mask to form a second electrode, deforming the first photoresist pattern to form a second photoresist pattern, and etching the photoconductive layer and the first conductive layer using the second photoresist pattern to form a photoconductive pattern and a first electrode, respectively.
    Type: Grant
    Filed: May 29, 2020
    Date of Patent: November 15, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Woo-Seok Jeon, Kwang Hyun Kim, Heon Sik Ha
  • Publication number: 20220037435
    Abstract: A display apparatus includes a base substrate, an active pattern disposed on the base substrate, a gate insulation layer disposed on the active pattern, a gate electrode disposed on the gate insulation layer and overlapping the active pattern, a first insulation layer disposed on the gate electrode and having a total amount of hydrogen of about 5 atomic percent (at. %) to about 30 at. %, and a source electrode and a drain electrode which are disposed on the first insulation layer and are electrically connected to the active pattern.
    Type: Application
    Filed: October 19, 2021
    Publication date: February 3, 2022
    Inventors: Yung Bin Chung, Yeoungkeol Woo, Kwanghyun Kim, Sangwoo Sohn, Dokeun Song, Sangwook Lee, Heon Sik Ha
  • Publication number: 20210375836
    Abstract: A light emitting device includes: a substrate; a first electrode and a second electrode on the substrate and spaced apart from each other; a light emitting diode between the first electrode and the second electrode and connected to the first and second electrodes; a first contact on the first electrode; and a second contact on the second electrode. The first contact contacts the first electrode and a first portion of the light emitting diode, and the second contact contacts the second electrode and a second portion of the light emitting diode.
    Type: Application
    Filed: August 17, 2021
    Publication date: December 2, 2021
    Inventors: Yeoung Keol Woo, Chul Min Bae, Heon Sik Ha
  • Patent number: 11158693
    Abstract: A display apparatus includes a base substrate, an active pattern disposed on the base substrate, a gate insulation layer disposed on the active pattern, a gate electrode disposed on the gate insulation layer and overlapping the active pattern, a first insulation layer disposed on the gate electrode and having a total amount of hydrogen of about 5 atomic percent (at. %) to about 30 at. %, and a source electrode and a drain electrode which are disposed on the first insulation layer and are electrically connected to the active pattern.
    Type: Grant
    Filed: September 19, 2019
    Date of Patent: October 26, 2021
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Yung Bin Chung, Yeoungkeol Woo, Kwanghyun Kim, Sangwoo Sohn, Dokeun Song, Sangwook Lee, Heon Sik Ha
  • Patent number: 11114472
    Abstract: A transistor panel may include a substrate, a transistor, a first inorganic buffer layer, and an inorganic fluorine-containing buffer layer. The transistor may overlap the substrate and may include a semiconductor layer. The first inorganic buffer layer may be disposed between the substrate and the semiconductor layer. The inorganic fluorine-containing buffer layer may be disposed between the first inorganic buffer layer and the semiconductor layer and may contain fluorine in a range of 0.5 at % to 2 at %.
    Type: Grant
    Filed: October 15, 2019
    Date of Patent: September 7, 2021
    Inventors: Byeong Beom Kim, Heon Sik Ha, Jin Ho Hwang
  • Patent number: 11094678
    Abstract: A light emitting device includes: a substrate; a first electrode and a second electrode on the substrate and spaced apart from each other; a light emitting diode between the first electrode and the second electrode and connected to the first and second electrodes; a first contact on the first electrode; and a second contact on the second electrode. The first contact contacts the first electrode and a first portion of the light emitting diode, and the second contact contacts the second electrode and a second portion of the light emitting diode.
    Type: Grant
    Filed: March 27, 2020
    Date of Patent: August 17, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yeoung Keol Woo, Chul Min Bae, Heon Sik Ha
  • Publication number: 20210135039
    Abstract: A method of manufacturing a photo sensor includes forming a first conductive layer on a substrate, the first conductive layer including a metal layer and a transparent conductive oxide layer formed on the metal layer, forming a photoconductive layer on the first conductive layer, forming a second conductive layer on the photoconductive layer, forming a first photoresist pattern on the second conductive layer, etching the second conductive layer using the first photoresist pattern as an etch mask to form a second electrode, deforming the first photoresist pattern to form a second photoresist pattern, and etching the photoconductive layer and the first conductive layer using the second photoresist pattern to form a photoconductive pattern and a first electrode, respectively.
    Type: Application
    Filed: May 29, 2020
    Publication date: May 6, 2021
    Inventors: WOO-SEOK JEON, KWANG HYUN KIM, HEON SIK HA
  • Patent number: 10950669
    Abstract: A display device includes a light-emitting element, a thin film encapsulation layer disposed on the light-emitting element, a protection layer disposed on the thin film encapsulation layer, a first sensing electrode disposed on the protection layer, an insulating layer disposed on the first sensing electrode, and a second sensing electrode disposed on the insulating layer, in which at least one of the thin film encapsulation layer and the insulating layer has a multi-layer structure including first and second alternating layers forming at least three layers, and the first layer includes a first material having a first refractive index and the second layer includes a second material having a second refractive index different from the first refractive index.
    Type: Grant
    Filed: October 16, 2018
    Date of Patent: March 16, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sang Wook Lee, Chang Ok Kim, Heon Sik Ha
  • Publication number: 20200227392
    Abstract: A light emitting device includes: a substrate; a first electrode and a second electrode on the substrate and spaced apart from each other; a light emitting diode between the first electrode and the second electrode and connected to the first and second electrodes; a first contact on the first electrode; and a second contact on the second electrode. The first contact contacts the first electrode and a first portion of the light emitting diode, and the second contact contacts the second electrode and a second portion of the light emitting diode.
    Type: Application
    Filed: March 27, 2020
    Publication date: July 16, 2020
    Inventors: Yeoung Keol Woo, Chul Min Bae, Heon Sik Ha
  • Publication number: 20200203388
    Abstract: A transistor panel may include a substrate, a transistor, a first inorganic buffer layer, and an inorganic fluorine-containing buffer layer. The transistor may overlap the substrate and may include a semiconductor layer. The first inorganic buffer layer may be disposed between the substrate and the semiconductor layer. The inorganic fluorine-containing buffer layer may be disposed between the first inorganic buffer layer and the semiconductor layer and may contain fluorine in a range of 0.5 at % to 2 at %.
    Type: Application
    Filed: October 15, 2019
    Publication date: June 25, 2020
    Inventors: Byeong Beom KIM, Heon Sik HA, Jin Ho HWANG
  • Publication number: 20200111854
    Abstract: A display apparatus includes a base substrate, an active pattern disposed on the base substrate, a gate insulation layer disposed on the active pattern, a gate electrode disposed on the gate insulation layer and overlapping the active pattern, a first insulation layer disposed on the gate electrode and having a total amount of hydrogen of about 5 atomic percent (at. %) to about 30 at. %, and a source electrode and a drain electrode which are disposed on the first insulation layer and are electrically connected to the active pattern.
    Type: Application
    Filed: September 19, 2019
    Publication date: April 9, 2020
    Inventors: Yung Bin CHUNG, Yeoungkeol WOO, Kwanghyun KIM, Sangwoo SOHN, Dokeun SONG, Sangwook LEE, Heon Sik HA
  • Patent number: 10607968
    Abstract: A light emitting device includes: a substrate; a first electrode and a second electrode on the substrate and spaced apart from each other; a light emitting diode between the first electrode and the second electrode and connected to the first and second electrodes; a first contact on the first electrode; and a second contact on the second electrode. The first contact contacts the first electrode and a first portion of the light emitting diode, and the second contact contacts the second electrode and a second portion of the light emitting diode.
    Type: Grant
    Filed: March 21, 2018
    Date of Patent: March 31, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yeoung Keol Woo, Chul Min Bae, Heon Sik Ha
  • Publication number: 20200027927
    Abstract: A method of manufacturing a display device, including: providing a display element layer on a substrate; forming a thin film encapsulation layer covering the display element layer; aging the thin film encapsulation layer by using a light source emitting artificial sunlight; and forming a window on the aged thin film encapsulation layer.
    Type: Application
    Filed: September 30, 2019
    Publication date: January 23, 2020
    Inventors: Heon Sik HA, Kwang Hyun KIM, Sang Wook LEE
  • Patent number: 10475854
    Abstract: A method of manufacturing a display device, including: providing a display element layer on a substrate; forming a thin film encapsulation layer covering the display element layer; aging the thin film encapsulation layer by using a light source emitting artificial sunlight; and forming a window on the aged thin film encapsulation layer.
    Type: Grant
    Filed: December 8, 2017
    Date of Patent: November 12, 2019
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Heon Sik Ha, Kwang Hyun Kim, Sang Wook Lee
  • Publication number: 20190115395
    Abstract: A display device includes a light-emitting element, a thin film encapsulation layer disposed on the light-emitting element, a protection layer disposed on the thin film encapsulation layer, a first sensing electrode disposed on the protection layer, an insulating layer disposed on the first sensing electrode, and a second sensing electrode disposed on the insulating layer, in which at least one of the thin film encapsulation layer and the insulating layer has a multi-layer structure including first and second alternating layers forming at least three layers, and the first layer includes a first material having a first refractive index and the second layer includes a second material having a second refractive index different from the first refractive index.
    Type: Application
    Filed: October 16, 2018
    Publication date: April 18, 2019
    Inventors: Sang Wook LEE, Chang Ok KIM, Heon Sik Ha
  • Publication number: 20190096858
    Abstract: A light emitting device includes: a substrate; a first electrode and a second electrode on the substrate and spaced apart from each other; a light emitting diode between the first electrode and the second electrode and connected to the first and second electrodes; a first contact on the first electrode; and a second contact on the second electrode. The first contact contacts the first electrode and a first portion of the light emitting diode, and the second contact contacts the second electrode and a second portion of the light emitting diode.
    Type: Application
    Filed: March 21, 2018
    Publication date: March 28, 2019
    Inventors: Yeoung Keol Woo, Chul Min Bae, Heon Sik Ha
  • Publication number: 20180269259
    Abstract: A method of manufacturing a display device, including: providing a display element layer on a substrate; forming a thin film encapsulation layer covering the display element layer; aging the thin film encapsulation layer by using a light source emitting artificial sunlight; and forming a window on the aged thin film encapsulation layer.
    Type: Application
    Filed: December 8, 2017
    Publication date: September 20, 2018
    Inventors: Heon Sik HA, Kwang Hyun KIM, Sang Wook LEE