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: 20180188856
    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: Application
    Filed: February 26, 2018
    Publication date: July 5, 2018
    Inventor: Hong Sick PARK
  • Patent number: 10013097
    Abstract: A touch screen panel and manufacturing method thereof are disclosed. In one aspect, the touch screen panel includes a substrate having a touch area and a peripheral area that surrounds the touch area and a plurality of first touch electrode patterns that are formed in the touch area, extend in a first direction, and are configured to transmit a first touch signal. The touch panel also includes a plurality of second touch electrode patterns that are formed in the touch area, extend in a second direction crossing the first direction, and are configured to transmit a second touch signal and a plurality of first driving circuit wirings that are formed in the peripheral area and are respectively electrically connected to the first touch electrode patterns. The first driving circuit wirings include a low resistance wiring layer.
    Type: Grant
    Filed: August 22, 2014
    Date of Patent: July 3, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jong-Hyun Choung, In-Bae Kim, Hong Sick Park, Byeong-Jin Lee
  • Publication number: 20180157098
    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: Application
    Filed: June 16, 2017
    Publication date: June 7, 2018
    Inventors: Jong Hyun CHOUNG, Hong Sick PARK, Seung Bae KANG, Ki Tae KIM, Joon Woo BAE, Hee Sung YANG
  • Patent number: 9927931
    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: March 25, 2015
    Date of Patent: March 27, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventor: Hong Sick Park
  • Patent number: 9741827
    Abstract: An etchant composition is provided comprising a persulfate from 0.5 to 20 wt %; a fluoride compound from 0.01 to 2 wt %; an inorganic acid from 1 to 10 wt %; a N (nitrogen atom)-containing heterocyclic compound from 0.5 to 5 wt %; a chloride compound from 0.1 to 5 wt %; a copper salt from 0.05 to 3 wt %; an organic acid or an organic acid salt from 0.1 to 10 wt %; an electron-donating compound from at 0.1 to 5 wt %; and a solvent of the residual amount. Also provided is a method of manufacturing a display device by using the same.
    Type: Grant
    Filed: October 7, 2014
    Date of Patent: August 22, 2017
    Assignees: Samsung Display Co., Ltd., Dongwoo Fine-Chem Co., Ltd.
    Inventors: Jong-Hyun Choung, In-Bae Kim, Hong-Sick Park, Seon-Il Kim, In-Seol Kuk, Gi-Yong Nam, Young-Chul Park, In-Ho Yu, Young-Jin Yoon, Suck-Jun Lee
  • Patent number: 9482917
    Abstract: The present invention relates to a display device and a manufacturing method thereof, wherein a spoilage layer generated in a manufacturing process is removed, and a manufacturing method of a display device according to an exemplary embodiment of the present invention includes: forming a thin film transistor on a substrate including a plurality of pixel areas; forming a pixel electrode connected to the thin film transistor in the pixel area; forming a sacrificial layer on the pixel electrode; forming a barrier layer on the sacrificial layer; forming a common electrode on the barrier layer; forming a roof layer on the common electrode; patterning the barrier layer, the common electrode, and the roof layer to exposed a portion of the sacrificial layer thereby forming an injection hole; removing the sacrificial layer to form a microcavity for a plurality of pixel areas; removing the barrier layer.
    Type: Grant
    Filed: December 29, 2015
    Date of Patent: November 1, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hong Sick Park, Seon-Il Kim, Min Ho Moon, Hyang-Shik Kong, Yeun Tae Kim, Chang Oh Jeong
  • Publication number: 20160297732
    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: Application
    Filed: September 25, 2015
    Publication date: October 13, 2016
    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
  • Patent number: 9405156
    Abstract: A liquid crystal display is provided. The liquid crystal display includes a substrate, a thin film transistor disposed on the substrate, a pixel electrode connected with a terminal of the thin film transistor, a microcavity disposed on the pixel electrode, the microcavity including a liquid crystal injection hole disposed at an edge of the microcavity, a supporting member disposed on the microcavity, a first hydrophobic layer disposed on an edge portion of the supporting member, and a capping layer disposed on the supporting member with the capping layer covering the liquid crystal injection hole.
    Type: Grant
    Filed: July 9, 2013
    Date of Patent: August 2, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yong-Hwan Ryu, Sang Gab Kim, Hong Sick Park, Jung Ha Son, Shin Il Choi
  • Publication number: 20160218121
    Abstract: A liquid crystal display includes a first substrate, a gate line which includes a gate electrode, a gate insulating layer, a semiconductor stripe layer which is separated from the gate line in a plan view, a semiconductor island, a data line, a source electrode and a drain electrode, an interlayer insulating layer in which a data line exposure hole which exposes a part of the data line is defined, a connecting member which is disposed on the interlayer insulating layer and is connected to the data lines which are disposed on and below the gate line through the data line exposure hole in plan view; and a pixel electrode which is disposed on the interlayer insulating layer and is separated from the connecting member, where the connecting member is directly connected to the source electrode and the pixel electrode is directly connected to the drain electrode.
    Type: Application
    Filed: July 28, 2015
    Publication date: July 28, 2016
    Inventors: Jong-Hyun CHOUNG, Hong Sick PARK
  • Publication number: 20160211282
    Abstract: A device for monitoring a liquid crystal display includes: a substrate including a display region and a non-display region disposed at an edge of the display region. The display region includes: a thin film transistor disposed on the substrate, a pixel electrode disposed on the substrate and connected to the thin film transistor, a first sacrificial layer disposed on the pixel electrode, and a roof layer disposed on the sacrificial layer. The non-display region includes: a second sacrificial layer disposed on the substrate, and the roof layer disposed on the second sacrificial layer. The first sacrificial layer has a first longitudinal dimension and a first cross-sectional area, and the second sacrificial layer has a second longitudinal dimension and a second cross-sectional area. The first cross-sectional area is the same as the second cross-sectional area. The second longitudinal dimension is greater than the first longitudinal dimension.
    Type: Application
    Filed: March 29, 2016
    Publication date: July 21, 2016
    Inventors: Seon Uk LEE, Won Tae KIM, Min Ho MOON, Hong Sick PARK, Sung Hwan WON, You Young JIN
  • Publication number: 20160170512
    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: Application
    Filed: March 25, 2015
    Publication date: June 16, 2016
    Inventor: Hong Sick PARK
  • Patent number: 9360695
    Abstract: A liquid crystal display includes: a substrate; a gate line and a data line disposed on the substrate; a semiconductor layer disposed on the substrate; first and second field generating electrodes disposed on the substrate; and a first protecting layer formed from the same layer as the first field generating electrode and covering at least a portion of the data line.
    Type: Grant
    Filed: October 4, 2013
    Date of Patent: June 7, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jong-Hyun Choung, Wang Woo Lee, Bong-Kyun Kim, In-Bae Kim, Seon-Il Kim, Young Min Moon, Hong Sick Park, Ki Tae Kim
  • Patent number: 9347125
    Abstract: A etchant composition that includes, based on a total weight of the etchant composition, about 0.5 wt % to about 20 wt % of a persulfate, about 0.5 wt % to about 0.9 wt % of an ammonium fluoride, about 1 wt % to about 10 wt % of an inorganic acid, about 0.5 wt % to about 5 wt % of a cyclic amine compound, about 0.1 wt % to about 10.0 wt % of a sulfonic acid, about 5 wt % to about 10 wt % of an organic acid or a salt thereof, and a remainder of water. The etchant composition may be configured to etch a metal layer including copper and titanium, to form a metal wire that may be included in a thin film transistor array panel of a display device.
    Type: Grant
    Filed: May 29, 2015
    Date of Patent: May 24, 2016
    Assignees: Samsung Display Co., Ltd., DONGWOO FINE-CHEM CO., LTD.
    Inventors: In-Bae Kim, Jong-Hyun Choung, Seon-Il Kim, Hong-Sick Park, Wang Woo Lee, Jae-Woo Jeong, In Seol Kuk, Sang-Tae Kim, Young-Chul Park, Keyong Bo Shim, In-Ho Yu, Young-Jin Yoon, Suck-Jun Lee, Joon-Woo Lee, Sang-Hoon Jang, Young-Jun Jin
  • Patent number: 9331109
    Abstract: A device for monitoring a liquid crystal display includes: a substrate including a display region and a non-display region disposed at an edge of the display region. The display region includes: a thin film transistor disposed on the substrate, a pixel electrode disposed on the substrate and connected to the thin film transistor, a first sacrificial layer disposed on the pixel electrode, and a roof layer disposed on the sacrificial layer. The non-display region includes: a second sacrificial layer disposed on the substrate, and the roof layer disposed on the second sacrificial layer. The first sacrificial layer has a first longitudinal dimension and a first cross-sectional area, and the second sacrificial layer has a second longitudinal dimension and a second cross-sectional area. The first cross-sectional area is the same as the second cross-sectional area. The second longitudinal dimension is greater than the first longitudinal dimension.
    Type: Grant
    Filed: August 8, 2013
    Date of Patent: May 3, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Seon Uk Lee, Won Tae Kim, Min Ho Moon, Hong Sick Park, Sung Hwan Won, You Young Jin
  • Publication number: 20160109745
    Abstract: The present invention relates to a display device and a manufacturing method thereof, wherein a spoilage layer generated in a manufacturing process is removed, and a manufacturing method of a display device according to an exemplary embodiment of the present invention includes: forming a thin film transistor on a substrate including a plurality of pixel areas; forming a pixel electrode connected to the thin film transistor in the pixel area; forming a sacrificial layer on the pixel electrode; forming a barrier layer on the sacrificial layer; forming a common electrode on the barrier layer; forming a roof layer on the common electrode; patterning the barrier layer, the common electrode, and the roof layer to exposed a portion of the sacrificial layer thereby forming an injection hole; removing the sacrificial layer to form a microcavity for a plurality of pixel areas; removing the barrier layer.
    Type: Application
    Filed: December 29, 2015
    Publication date: April 21, 2016
    Inventors: Hong Sick PARK, Seon-Il Kim, Min Ho Moon, Hyang-Shik KONG, Yeun Tae KIM, Chang Oh JEONG
  • Patent number: 9293565
    Abstract: An etchant composition includes about 0.5 weight % to about 20 weight % of persulfate, about 0.01 weight % to about 2 weight % of a fluoride compound, about 1 weight % to about 10 weight % of an inorganic acid, about 0.5 weight % to about 5 weight % of a cyclic amine compound, about 0.1 weight % to about 10.0 weight % of a compound having an amino group and a sulfonic acid, about 0.1 weight % to about 15.0 weight % of an organic acid or a salt thereof, and water to 100 weight % of the etchant composition.
    Type: Grant
    Filed: December 9, 2013
    Date of Patent: March 22, 2016
    Assignees: SAMSUNG DISPLAY CO., LTD., DONGWOO FINE-CHEM CO., LTD.
    Inventors: Jong-Hyun Choung, In-Bae Kim, Jae-Woo Jeong, Hong-Sick Park, In-Seol Kuk, Gi-Yong Nam, Young-Chul Park, In-Ho Yu, Young-Jin Yoon, Suck-Jun Lee
  • Patent number: 9257456
    Abstract: A method of forming a metal pattern includes disposing a gate metal layer on a substrate; disposing a photoresist layer on the gate metal layer; etching portions of the photoresist layer to form a first photo pattern; etching portions of the gate metal layer to form a gate pattern including a gate electrode, in which the gate metal layer is patterned using the first photo pattern as a mask; ashing an end portion of the first photo pattern to form a second photo pattern; disposing a first gate insulating layer over the substrate and the second photo pattern; removing the second photo pattern and a portion of the first gate insulating layer disposed over the second photo pattern; and disposing a second insulating layer over the gate pattern and the remaining portions of the first gate insulating layer.
    Type: Grant
    Filed: November 14, 2014
    Date of Patent: February 9, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Young-Min Moon, Hong-Sick Park
  • Patent number: 9235074
    Abstract: The present invention relates to a display device and a manufacturing method thereof, wherein a spoilage layer generated in a manufacturing process is removed, and a manufacturing method of a display device according to an exemplary embodiment of the present invention includes: forming a thin film transistor on a substrate including a plurality of pixel areas; forming a pixel electrode connected to the thin film transistor in the pixel area; forming a sacrificial layer on the pixel electrode; forming a barrier layer on the sacrificial layer; forming a common electrode on the barrier layer; forming a roof layer on the common electrode; patterning the barrier layer, the common electrode, and the roof layer to exposed a portion of the sacrificial layer thereby forming an injection hole; removing the sacrificial layer to form a microcavity for a plurality of pixel areas; removing the barrier layer.
    Type: Grant
    Filed: August 7, 2013
    Date of Patent: January 12, 2016
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hong Sick Park, Seon-II Kim, Min Ho Moon, Hyang-Shik Kong, Yeun Tae Kim, Chang Oh Jeong
  • Publication number: 20150380443
    Abstract: A method of forming a metal pattern includes disposing a gate metal layer on a substrate; disposing a photoresist layer on the gate metal layer; etching portions of the photoresist layer to form a first photo pattern; etching portions of the gate metal layer to form a gate pattern including a gate electrode, in which the gate metal layer is patterned using the first photo pattern as a mask; ashing an end portion of the first photo pattern to form a second photo pattern; disposing a first gate insulating layer over the substrate and the second photo pattern; removing the second photo pattern and a portion of the first gate insulating layer disposed over the second photo pattern; and disposing a second insulating layer over the gate pattern and the remaining portions of the first gate insulating layer.
    Type: Application
    Filed: November 14, 2014
    Publication date: December 31, 2015
    Inventors: Young-Min MOON, Hong-Sick Park
  • Publication number: 20150307779
    Abstract: An etchant composition is provided comprising a persulfate from 0.5 to 20 wt %; a fluoride compound from 0.01 to 2 wt %; an inorganic acid from 1 to 10 wt %; a N (nitrogen atom)-containing heterocyclic compound from 0.5 to 5 wt %; a chloride compound from 0.1 to 5 wt %; a copper salt from 0.05 to 3 wt %; an organic acid or an organic acid salt from 0.1 to 10 wt %; an electron-donating compound from at 0.1 to 5 wt %; and a solvent of the residual amount. Also provided is a method of manufacturing a display device by using the same.
    Type: Application
    Filed: October 7, 2014
    Publication date: October 29, 2015
    Inventors: Jong-Hyun Choung, In-Bae Kim, Hong-Sick Park, Seon-ll Kim, In-Seol Kuk, Gi-Yong Nam, Young-Chul Park, In-Ho Yu, Young-Jin Yoon, Suck-Jun Lee