Patents by Inventor Hong-Sick Park

Hong-Sick Park 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: 20230292550
    Abstract: A display device includes: a substrate; a thin-film transistor disposed on the substrate and including a semiconductor layer; an interlayer insulating layer disposed on the thin-film transistor; a data conductive layer disposed on the interlayer insulating layer and including an auxiliary electrode and a transistor electrode connected to the semiconductor layer of the thin-film transistor, a via layer disposed on the data conductive layer; a pixel electrode layer disposed on the via layer and including: a pixel electrode and a dummy pixel electrode separated from the pixel electrode; an intermediate layer disposed on the pixel electrode layer; and a common electrode disposed on the intermediate layer. The auxiliary electrode includes a main conductive layer and an upper sub-conductive layer. Side surfaces of the main conductive layer of the auxiliary electrode are disposed inner than side surfaces of the upper sub-conductive layer of the auxiliary electrode.
    Type: Application
    Filed: October 28, 2022
    Publication date: September 14, 2023
    Applicant: Samsung Display Co., LTD.
    Inventors: Hyoung Sik KIM, Jong Hee PARK, Hong Sick PARK, Woo Jin CHO
  • Patent number: 11730033
    Abstract: A display device includes: a substrate; a data line on the substrate; a first insulating layer on the data line; a first transistor on the first insulating layer; a second insulating layer on the first transistor; a pixel electrode on the second insulating layer, the pixel electrode being electrically connected to the first transistor; and an auxiliary data pattern on the second insulating layer as a same layer as the pixel electrode, the auxiliary data pattern being electrically connected to the data line.
    Type: Grant
    Filed: May 26, 2021
    Date of Patent: August 15, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Gyung Min Baek, Hyun Eok Shin, Ju Hyun Lee, Hong Sick Park
  • Publication number: 20230116992
    Abstract: A method of fabricating a conductive pattern includes forming a conductive metal material layer and a conductive capping material layer on a substrate, forming a photoresist pattern as an etching mask on the conductive capping material layer, forming a first conductive capping pattern by etching the conductive capping material layer with a first etchant, forming a conductive metal layer and a second conductive capping pattern by etching the conductive metal material layer and the first conductive capping pattern with a second etchant, and forming a conductive capping layer by etching the second conductive capping pattern with a third etchant. The second conductive capping pattern includes a first region overlapping the conductive metal layer and a second region not overlapping the conductive metal layer, and the forming of the conductive capping layer includes etching the second region of the second conductive capping pattern to form the conductive capping layer.
    Type: Application
    Filed: December 19, 2022
    Publication date: April 20, 2023
    Applicant: Samsung Display Co., LTD.
    Inventors: Jae Uoon KIM, Hong Sick PARK, Jong Hyun CHOUNG
  • Patent number: 11557614
    Abstract: A method of fabricating a conductive pattern includes forming a conductive metal material layer and a conductive capping material layer on a substrate, forming a photoresist pattern as an etching mask on the conductive capping material layer, forming a first conductive capping pattern by etching the conductive capping material layer with a first etchant, forming a conductive metal layer and a second conductive capping pattern by etching the conductive metal material layer and the first conductive capping pattern with a second etchant, and forming a conductive capping layer by etching the second conductive capping pattern with a third etchant. The second conductive capping pattern includes a first region overlapping the conductive metal layer and a second region not overlapping the conductive metal layer, and the forming of the conductive capping layer includes etching the second region of the second conductive capping pattern to form the conductive capping layer.
    Type: Grant
    Filed: August 26, 2020
    Date of Patent: January 17, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jae Uoon Kim, Hong Sick Park, Jong Hyun Choung
  • Patent number: 11424312
    Abstract: A device includes a substrate including a display area and a pad area; a first conductive layer on the substrate; and a first insulating film on the first conductive layer, the first insulating film having a first contact hole in the display area to expose the first conductive layer and a pad opening exposing the first conductive layer in the pad area, the first conductive layer being arranged such that in a first region covered by the first insulating film, a second conductive capping layer of the first conductive layer is entirely on a first conductive capping layer of the first conductive layer; in a second region overlapping the contact hole, the second conductive capping layer is entirely on the first conductive capping layer; and in a third region exposed by the pad opening, the second conductive capping layer exposes at least a portion of the first conductive capping layer.
    Type: Grant
    Filed: May 12, 2020
    Date of Patent: August 23, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Gyung Min Baek, Ju Hyun Lee, Jae Uoon Kim, Hong Sick Park, Hyun Eok Shin
  • Publication number: 20220020842
    Abstract: A display device includes: a substrate; a data line on the substrate; a first insulating layer on the data line; a first transistor on the first insulating layer; a second insulating layer on the first transistor; a pixel electrode on the second insulating layer, the pixel electrode being electrically connected to the first transistor; and an auxiliary data pattern on the second insulating layer as a same layer as the pixel electrode, the auxiliary data pattern being electrically connected to the data line.
    Type: Application
    Filed: May 26, 2021
    Publication date: January 20, 2022
    Inventors: Gyung Min BAEK, Hyun Eok SHIN, Ju Hyun LEE, Hong Sick PARK
  • Publication number: 20210296364
    Abstract: A display substrate may include a substrate and a wiring on the substrate. The wiring may include a metal oxide layer including at least one oxide selected from tantalum (Ta), niobium (Nb), and titanium (Ti), and a metal layer on the metal oxide layer and including copper (Cu), and a thickness of the metal oxide layer may be in a range of about 30 angstroms (?) to about 50 ?.
    Type: Application
    Filed: March 29, 2019
    Publication date: September 23, 2021
    Inventors: Hyun-Eok SHIN, Hong-Sick PARK, Sangwoo SOHN, Sang-Gab KIM, Gyungmin BAEK, Sang-Won SHIN
  • Patent number: 11112665
    Abstract: A display device may include a first base, a metal oxide layer overlapping a face of the first base, and a conductive metal layer directly contacting the metal oxide layer. The metal oxide layer may include molybdenum oxide. A side of the metal oxide layer may be oriented at a first angle relative to the face of the first base. A side of the conductive metal layer may be oriented at a second angle relative to the face of the first base. A size of the second angle may be in a range of 30° to 75°.
    Type: Grant
    Filed: February 14, 2019
    Date of Patent: September 7, 2021
    Inventors: Ju Hyun Lee, Gyung Min Baek, Hyun Eok Shin, Hong Sick Park, Sang Won Shin
  • Patent number: 11099441
    Abstract: A wire substrate, a display device including a wire substrate, and a method of fabricating a wire substrate are disclosed. The display device comprises: a first base; and a first wiring layer disposed on the first base and comprising a conductive layer and a metal oxide layer stacked on the conductive layer, wherein the metal oxide layer comprises molybdenum (Mo), tantalum (Ta), and oxygen (O). The conductive layer includes a first metal layer on the first base, and a second metal layer between the first metal layer and the metal oxide layer. The second metal layer has a higher electrical conductivity than the first metal layer, and a thickness of the second metal layer is greater than a thickness of the first metal layer.
    Type: Grant
    Filed: July 2, 2019
    Date of Patent: August 24, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Chan Woo Yang, Hong Sick Park, Hyun Eok Shin, Joon Yong Park, Gyung Min Baek, Sang Won Shin, Ju Hyun Lee
  • Publication number: 20210249451
    Abstract: A method of fabricating a conductive pattern includes forming a conductive metal material layer and a conductive capping material layer on a substrate, forming a photoresist pattern as an etching mask on the conductive capping material layer, forming a first conductive capping pattern by etching the conductive capping material layer with a first etchant, forming a conductive metal layer and a second conductive capping pattern by etching the conductive metal material layer and the first conductive capping pattern with a second etchant, and forming a conductive capping layer by etching the second conductive capping pattern with a third etchant. The second conductive capping pattern includes a first region overlapping the conductive metal layer and a second region not overlapping the conductive metal layer, and the forming of the conductive capping layer includes etching the second region of the second conductive capping pattern to form the conductive capping layer.
    Type: Application
    Filed: August 26, 2020
    Publication date: August 12, 2021
    Applicant: Samsung Display Co., LTD.
    Inventors: Jae Uoon KIM, Hong Sick PARK, Jong Hyun CHOUNG
  • Publication number: 20210091161
    Abstract: A device includes a substrate including a display area and a pad area; a first conductive layer on the substrate; and a first insulating film on the first conductive layer, the first insulating film having a first contact hole in the display area to expose the first conductive layer and a pad opening exposing the first conductive layer in the pad area, the first conductive layer being arranged such that in a first region covered by the first insulating film, a second conductive capping layer of the first conductive layer is entirely on a first conductive capping layer of the first conductive layer; in a second region overlapping the contact hole, the second conductive capping layer is entirely on the first conductive capping layer; and in a third region exposed by the pad opening, the second conductive capping layer exposes at least a portion of the first conductive capping layer.
    Type: Application
    Filed: May 12, 2020
    Publication date: March 25, 2021
    Inventors: Gyung Min BAEK, Ju Hyun LEE, Jae Uoon KIM, Hong Sick PARK, Hyun Eok SHIN
  • Patent number: 10847076
    Abstract: A display device may include a base and a first wiring layer disposed on the base. The first wiring layer may include a first material and a second material layer that overlap each other. A material of the second material layer may be different from a material of the first material layer. The second material layer contains MoOx, wherein 1.9?x?2.1.
    Type: Grant
    Filed: April 15, 2019
    Date of Patent: November 24, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hyun Eok Shin, Hong Sick Park, Gyung Min Baek, Sang Woo Sohn, Sang Won Shin, Ju Hyun Lee
  • Patent number: 10613370
    Abstract: There is provided a display device. The display device includes a first substrate, a second substrate that faces the first substrate, and a liquid crystal layer disposed between the first substrate and the second substrate. One of the first substrate and the second substrate includes a base substrate and a light blocking pattern disposed on a surface that faces the other surface of both surfaces of the base substrate, the light blocking pattern exposing a part of the base substrate. The light blocking pattern includes a semi-transmission reflective layer a disposed on the base substrate, a phase matching layer disposed on the semi-transmission reflective layer, and a reflective metal layer disposed on the phase matching layer. The phase matching layer and the reflective metal layer include materials having substantially the same etching rate.
    Type: Grant
    Filed: June 16, 2017
    Date of Patent: April 7, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jong Hyun Choung, Hong Sick Park, Seung Bae Kang, Ki Tae Kim, Joon Woo Bae, Hee Sung Yang
  • Publication number: 20200026134
    Abstract: A display device may include a first base, a metal oxide layer overlapping a face of the first base, and a conductive metal layer directly contacting the metal oxide layer. The metal oxide layer may include molybdenum oxide. A side of the metal oxide layer may be oriented at a first angle relative to the face of the first base. A side of the conductive metal layer may be oriented at a second angle relative to the face of the first base. A size of the second angle may be in a range of 30° to 75°.
    Type: Application
    Filed: February 14, 2019
    Publication date: January 23, 2020
    Inventors: Ju Hyun LEE, Gyung Min BAEK, Hyun Eok SHIN, Hong Sick PARK, Sang Won SHIN
  • Publication number: 20190333435
    Abstract: A display device may include a base and a first wiring layer disposed on the base. The first wiring layer may include a first material and a second material layer that overlap each other. A material of the second material layer may be different from a material of the first material layer. The second material layer contains MoOx, wherein 1.9?x?2.1.
    Type: Application
    Filed: April 15, 2019
    Publication date: October 31, 2019
    Inventors: Hyun Eok SHIN, Hong Sick PARK, Gyung Min BAEK, Sang Woo SOHN, Sang Won SHIN, Ju Hyun LEE
  • Publication number: 20190324337
    Abstract: A wire substrate, a display device including a wire substrate, and a method of fabricating a wire substrate are disclosed. The display device comprises: a first base; and a first wiring layer disposed on the first base and comprising a conductive metal layer and a metal oxide layer stacked on one another, wherein the metal oxide layer comprises MoxTayOz, wherein a content of tantalum is equal to or less than 2.0 at % (atomic percent) based on a total number of metal atoms.
    Type: Application
    Filed: July 2, 2019
    Publication date: October 24, 2019
    Inventors: Chan Woo Yang, Hong Sick Park, Hyun Eok Shin, Joon Yong Park, Gyung Min Baek, Sang Won Shin, Ju Hyun Lee
  • Patent number: 10386687
    Abstract: A wire substrate, a display device including a wire substrate, and a method of fabricating a wire substrate are disclosed. The display device comprises: a first base; and a first wiring layer disposed on the first base and comprising a conductive metal layer and a metal oxide layer stacked on one another, wherein the metal oxide layer comprises MoxTayOz, wherein a content of tantalum is equal to or less than 2.0 at % (atomic percent) based on a total number of metal atoms.
    Type: Grant
    Filed: February 27, 2018
    Date of Patent: August 20, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Chan Woo Yang, Hong Sick Park, Hyun Eok Shin, Joon Yong Park, Gyung Min Baek, Sang Won Shin, Ju Hyun Lee
  • Patent number: 10275105
    Abstract: A touch panel includes: a substrate which has sensing and peripheral areas; first sensing electrodes located on a surface of the substrate and arranged along a first direction in the sensing area and second sensing electrodes arranged along a second direction intersecting the first direction; a first connector located on the surface of the substrate and connecting the first sensing electrodes along the first direction; an insulating layer pattern located on the first connector; a second connector located on the insulating layer pattern, intersecting the first connector to be insulated from the first connector, and connecting the second sensing electrodes along the second direction; wiring lines located on the surface of the substrate, located in the peripheral area, and electrically connected to the first sensing electrodes or the second sensing electrodes; and a conductive pattern located between each of the second sensing electrodes and the second connector.
    Type: Grant
    Filed: February 26, 2018
    Date of Patent: April 30, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventor: Hong Sick Park
  • Publication number: 20190086754
    Abstract: A wire substrate, a display device including a wire substrate, and a method of fabricating a wire substrate are disclosed. The display device comprises: a first base; and a first wiring layer disposed on the first base and comprising a conductive metal layer and a metal oxide layer stacked on one another, wherein the metal oxide layer comprises MoxTayOz, wherein a content of tantalum is equal to or less than 2.0 at % (atomic percent) based on a total number of metal atoms.
    Type: Application
    Filed: February 27, 2018
    Publication date: March 21, 2019
    Inventors: Chan Woo Yang, Hong Sick Park, Hyun Eok Shin, Joon Yong Park, Gyung Min Baek, Sang Won Shin, Ju Hyun Lee
  • Patent number: 10040741
    Abstract: Provided is a method for manufacturing a glycol based compound. The method comprises agitating a mixture of a first glycol based compound, a hydrazide based compound, and a sulfonic acid based compound, and performing fractional distillation of resultant materials of the agitating to recover a second glycol based compound having a formaldehyde content of 0 ppm.
    Type: Grant
    Filed: September 25, 2015
    Date of Patent: August 7, 2018
    Assignees: Samsung Display Co., Ltd., ENF TECHNOLOGY CO., LTD.
    Inventors: Jae Woo Jeong, Hong Sick Park, Bong Kyun Kim, Seung Ho Yoon, Sang Dai Lee, Young Jin Park, Hyo Won Park, Sang Moon Yun