Patents by Inventor Won-Sang Park

Won-Sang 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: 20190243501
    Abstract: A display device and a force sensor member provide an enhanced touch sensitivity. The display device includes: a display panel including a first base, and a light-emitting element disposed on the first base. A force sensor member is disposed on a rear surface of the display panel and overlaps with the display panel, wherein the force sensor member includes a first electrode and a second electrode spaced apart from each other, and a conductive polymer pattern disposed between the first electrode and the second electrode and spaced apart from the first electrode or the second electrode.
    Type: Application
    Filed: December 6, 2018
    Publication date: August 8, 2019
    Inventors: JAE IK LIM, Min Woo KIM, Won Sang PARK
  • Publication number: 20190239808
    Abstract: An electronic device to be mounted around a finger includes: a top part on which a nail of the finger is located; a bottom part disposed opposite to the top part, where a fingerprint surface of the finger is located on the bottom part; and a side part connecting the top part and the bottom part to each other, where the top part generates a nail image by image-picking up the nail, and senses a movement of the finger, based on the nail image.
    Type: Application
    Filed: October 5, 2018
    Publication date: August 8, 2019
    Inventors: Jae Ik LIM, Won Sang PARK
  • Publication number: 20190226081
    Abstract: A method for manufacturing a thin metal layer assembly includes forming a thin metal layer including nanopatterns on a preliminary substrate. The method includes forming a metal reducing layer by chemically reducing the thin metal layer. The method includes separating the metal reducing layer from the preliminary substrate. The method includes bonding the metal reducing layer to a target substrate.
    Type: Application
    Filed: January 18, 2019
    Publication date: July 25, 2019
    Applicant: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: JAE HO AHN, Jae Min Shin, Min Woo Kim, Won Sang Park, Sang Woo Kim, Jung Yong Lee
  • Patent number: 10354427
    Abstract: A method of driving a head mounted display is provided. The method derives a position adjustment data by displaying a binocular position adjustment image on a left-eye panel region and a right-eye panel region, derives a size adjustment data by displaying a binocular size adjustment image on the left-eye panel region and the right-eye panel region, generates a luminance adjustment data based on a difference between a left-eye and a right-eye luminance perception data, converts an image source into an input image data based on the position adjustment data, the size adjustment data, and the luminance adjustment data, and displays an image corresponding to the input image data.
    Type: Grant
    Filed: July 27, 2017
    Date of Patent: July 16, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Rang-Kyun Mok, Hyo-Sun Kim, Young-Jun Seo, Il-Nam Kim, Seock-Hwan Kang, Ji-Young Moon, Won-Sang Park, Yun-Taek Kim
  • Publication number: 20190179463
    Abstract: A display device has a display surface located at a front surface and an auxiliary sensing surface located at a side surface. The display device includes a display panel including a display area and a non-display area. An input sensing unit is on the display panel and an auxiliary sensing unit is on the auxiliary sensing surface. The auxiliary sensing unit is configured to sense a fingerprint or palm print of a user and is formed in the same layer as any one of the display panel and the input sensing unit.
    Type: Application
    Filed: November 26, 2018
    Publication date: June 13, 2019
    Inventors: Jae Ik LIM, Jin Woo CHOI, Won Sang PARK
  • Publication number: 20190179448
    Abstract: An input sensing unit that utilizes conductive layers to sense various types of input. The input sensing unit may include a first conductive layer including first sensing electrodes; a second conductive layer disposed on the first conductive layer, the second conductive layer including second sensing electrodes and third sensing electrodes; and at least one insulating layer insulating the first conductive layer and the second conductive layer from each other. The input sensing unit senses at least one of a touch, a pressure, and a degree of moisture based on a change in capacitance between the conductive layers.
    Type: Application
    Filed: November 13, 2018
    Publication date: June 13, 2019
    Inventors: JAE IK LIM, Won Sang Park, Hye Yong Chu, Kibog Park, Sungchul Jung, Hanbyul Jin
  • Patent number: 10319280
    Abstract: There is provided a display device including a display panel including pixels, and a display panel driver configured to drive the display panel, wherein the display panel driver includes a timing controller configured to receive image signals and timing signals from the outside, to convert at least some of the image signals, and to output the converted image signals, wherein the image signals include first image signals corresponding to a first area in the display panel, wherein each of image signals corresponds to each of the pixels and includes a red signal, a green signal, and a blue signal, wherein the timing controller includes a signal receiver configured to receive the image signals and the timing signals, and a first converter configured to receive the first image signals from the signal receiver, to perform color weakness-compensating conversion on the first image signals, and to output the converted first image signals.
    Type: Grant
    Filed: January 12, 2016
    Date of Patent: June 11, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Il Nam Kim, Won Sang Park, Gee Bum Kim, Ki Seo Kim
  • Patent number: 10305100
    Abstract: A composite cathode active material including an overlithiated metal oxide having a layered structure, a material having an olivine structure, and one or more of: an inorganic material, and nitrogen atoms doped in the material having an olivine structure. The inorganic material includes a nitride or carbide of a non-transition metal. The composite cathode active material may be included in a cathode, and the cathode may be included in a lithium battery.
    Type: Grant
    Filed: June 6, 2012
    Date of Patent: May 28, 2019
    Assignee: Samsung SDI Co., Ltd.
    Inventors: So-yeon Kim, Kyu-sung Park, Young-min Choi, Won-chang Choi, Min-sang Song, Gue-sung Kim, Ryoung-hee Kim
  • Patent number: 10303280
    Abstract: A touch sensor includes a pressure sensor configured to become compressed along a first axis in response to a touch input into a touch area and a controller. The controller is configured to calculate a position of the touch and an intensity of the touch by using a detection signal obtained from the pressure sensor. The controller is further configured to calculate a first position, which has a greatest value of compression of the pressure sensor along the first axis, and calculate a position of the touch by correcting the first position by a first correction value corresponding to the greatest value of compression.
    Type: Grant
    Filed: May 1, 2017
    Date of Patent: May 28, 2019
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Won Ki Hong, Won Sang Park, Tae Hee Lee
  • Publication number: 20190154533
    Abstract: A pressure sensor includes: a base substrate including an embossed pattern; a first conductive layer disposed on the base substrate; a pressure sensitive material layer disposed on the first conductive layer such that its electrical characteristic is varied corresponding to a strain applied thereto, the pressure sensitive material layer including a dielectric and nanoparticles dispersed in the dielectric; and a second conductive layer disposed on the pressure sensitive material layer, wherein the dielectric and the nanoparticle include materials having pyroelectricities of polarities opposite to each other.
    Type: Application
    Filed: November 1, 2018
    Publication date: May 23, 2019
    Inventors: Jae Ik LIM, Won Sang PARK, Hye Yong CHU, Do-Il KIM, Nae-Eung LEE, Han-Byeol LEE
  • Publication number: 20190138123
    Abstract: A fingerprint sensor including first, second, and third lines, and a unit sensor coupled to the first, the second, and the third lines. The unit sensor includes a pixel electrode coupled between the first line and the second line, a first capacitance element coupled between the first line and the pixel electrode, a second capacitance element coupled between the second line and the pixel electrode, a switching element coupled between the pixel electrode and one of the first line, the second line, a first line of an adjacent unit sensor, and a second line of the adjacent unit sensor, and including a control electrode coupled to the third line, and a third capacitance element coupled between the third line and the pixel electrode, in which at least one of the first and the second capacitance elements includes a variable capacitance element.
    Type: Application
    Filed: June 11, 2018
    Publication date: May 9, 2019
    Inventors: Keum Dong JUNG, Ki Seo Kim, II Nam Kim, Kyung Tea Park, Yun Ho Kim, Jae Kyoung Kim, Won Sang Park, Jong In Baek
  • Publication number: 20190097149
    Abstract: An organic light emitting display apparatus including a substrate including a plurality of pixel areas; a pixel electrode on the substrate; an opposite electrode on the pixel electrode, the opposite electrode transmitting light; an organic light emitting layer between the pixel electrode and the opposite electrode, the organic light emitting layer emitting a first light toward the opposite electrode; a light emitting layer on the opposite electrode, the light emitting layer absorbing a portion of the first light and emitting a second light; and a sealing layer on the light emitting layer, the sealing layer sealing the pixel electrode, the opposite electrode, the organic light emitting layer, and the light emitting layer.
    Type: Application
    Filed: November 28, 2018
    Publication date: March 28, 2019
    Inventors: Chi-O CHO, Byungchoon YANG, Young-Jun SEO, Won Sang PARK
  • Patent number: 10236463
    Abstract: An organic light emitting display apparatus including a substrate including a plurality of pixel areas; a pixel electrode on the substrate; an opposite electrode on the pixel electrode, the opposite electrode transmitting light; an organic light emitting layer between the pixel electrode and the opposite electrode, the organic light emitting layer emitting a first light toward the opposite electrode; a light emitting layer on the opposite electrode, the light emitting layer absorbing a portion of the first light and emitting a second light; and a sealing layer on the light emitting layer, the sealing layer sealing the pixel electrode, the opposite electrode, the organic light emitting layer, and the light emitting layer.
    Type: Grant
    Filed: April 20, 2018
    Date of Patent: March 19, 2019
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Chi-O Cho, Byungchoon Yang, Young-Jun Seo, Won Sang Park
  • Publication number: 20190018516
    Abstract: A touch sensor includes: a substrate that includes active and non-active regions; driving cells disposed on the active region that extend in a first direction; sensing cells disposed on the active region that extend in a second direction that intersects the first direction; a first connection pattern that connects adjacent driving cells; a second connection pattern that connects adjacent sensing cells; and a touch driver disposed on the non-active region that includes thin film transistors that transmit a driving signal to each of the driving cells. The thin film transistor includes: a semiconductor layer; a gate electrode disposed on the semiconductor layer with a first insulating layer interposed therebetween; and source and drain electrodes connected to the semiconductor layer and spaced apart from each other. The first connection pattern is disposed in the same layer as at least one of the source or drain electrodes or the gate electrode.
    Type: Application
    Filed: January 12, 2018
    Publication date: January 17, 2019
    Inventors: IL NAM KIM, BYEONG HEE WON, KYUNG TEA PARK, WON SANG PARK
  • Publication number: 20190012029
    Abstract: There are provided a touch sensor and a display device including the touch sensor. A touch sensor includes: first pressure sensors disposed in a first touch region; and second pressure sensors disposed in a second touch region, wherein the second touch region is disposed at at least one side of the first touch region and has a curved shape, wherein a first pressure detection sensitivity of the first pressure sensors in response to a touch input that is applied in a direction perpendicular to the first touch region is different from a second pressure detection sensitivity of the second pressure sensors in response to a touch input that is applied in a normal direction of the second touch region.
    Type: Application
    Filed: May 8, 2018
    Publication date: January 10, 2019
    Inventors: Won Ki HONG, Tae Hee LEE, Won Sang PARK
  • Publication number: 20190004651
    Abstract: A display device according to an embodiment includes: a display panel including a plurality of pixels disposed in a display region; a pressure sensor disposed to overlap with the display panel, the pressure sensor including a plurality of sensor electrodes disposed in a touch region; a bump structure disposed on at least one of a first surface and a second surface of the pressure sensor to be separated from the sensor electrodes; and a housing supporting the display panel, the pressure sensor, and the bump structure. The bump structure includes a plurality of bumps distributed on respective coordinate points at which the sensor electrodes are disposed.
    Type: Application
    Filed: May 11, 2018
    Publication date: January 3, 2019
    Inventors: Won Ki HONG, Tae Hee LEE, Rang Kyun MOK, Won Sang PARK
  • Publication number: 20180364838
    Abstract: A stretchable display includes: a stretchable substrate including first areas and second areas; main pixels disposed on the first areas of the stretchable substrate, the main pixels configured to display different colors; and at least one sub-pixel disposed on the second areas of the stretchable substrate, the at least one sub-pixel being configured to display one color that is the same as any one of the main pixels, wherein the sub-pixel is configured to turn on in response to the stretchable substrate being stretched.
    Type: Application
    Filed: August 9, 2018
    Publication date: December 20, 2018
    Inventors: Jong Ho HONG, Won Sang PARK, Won Il CHOI
  • Publication number: 20180358418
    Abstract: An organic light emitting diode display includes a stretchable substrate, a plurality of pixel forming plates, first and second pixels, and a cut-out groove. The pixel forming plates are on the substrate and spaced apart from each other. The first and second pixels are on respective first and second pixel forming plates of the plurality of the pixel forming plates adjacent in a first direction. The first and second pixel forming plates are connected by a first bridge. The cut-out groove are in the first and second pixel forming plates and adjacent to an area connected to the first bridge.
    Type: Application
    Filed: August 20, 2018
    Publication date: December 13, 2018
    Inventors: Jong Ho HONG, Won Il CHOI, Hye Jin JOO, Won Sang PARK, Mu Gyeom KIM, Man Sik MYEONG, Hyo Yul YOON
  • Publication number: 20180342677
    Abstract: An electrode includes: a polymer layer including a non-conductive material; a conductive nanomaterial embedded in a top surface of the polymer layer; and a planarization layer on the polymer layer and on the conductive nanomaterial. The planarization layer includes a conductive material and a surfactant.
    Type: Application
    Filed: July 16, 2018
    Publication date: November 29, 2018
    Inventors: Young Chan Kim, Won Sang Park, Hye Yong Chu, Jong Ho Hong, Si-Hoon Kim, Ju-Young Kim, Yun Seok Nam, Myoung Hoon Song
  • Publication number: 20180342709
    Abstract: A method for manufacturing an organic light emitting diode display includes: forming a hole injection layer on a substrate formed with a pixel circuit; forming a first assistance layer and a second assistance layer on the hole injection layer, the first assistance layer and the second assistance layer being disposed on different positions of the hole injection layer; forming a first organic emission layer on the first assistance layer; and forming a first hole transporting layer on the second assistance layer
    Type: Application
    Filed: August 3, 2018
    Publication date: November 29, 2018
    Inventors: A Ree SONG, Byeong-Hee WON, Jong In BAEK, Won Sang PARK