Patents by Inventor Hyoung-Wook Jang

Hyoung-Wook Jang 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: 20170344186
    Abstract: A touch screen including a plurality of first sensing electrode columns having a plurality of first sensing electrodes, the plurality of first sensing electrode columns extending in one direction, and a plurality of second sensing electrode columns alternately disposed with the first sensing electrode columns, the plurality of second sensing electrode columns including a plurality of second sensing electrodes having a plurality of sub-electrodes. Sub-electrodes of one of adjacent second sensing electrodes are electrically connected to sub-electrodes of another of the adjacent second sensing electrodes. At least some of the first sensing electrodes include a first region and a second region electrically separated from the first region.
    Type: Application
    Filed: May 15, 2017
    Publication date: November 30, 2017
    Inventors: HYUN JAE NA, GWANG BUM KO, HYOUNG WOOK JANG, YE RI JEONG, JEONG YUN HAN
  • Publication number: 20170293378
    Abstract: A touch screen including a substrate that includes an active area and a non-active area adjacent to the active area, the active area including at least one fingerprint recognition area; touch sensing electrodes including first sensing electrodes arranged in the active area, and at least one second sensing electrode arranged in the fingerprint recognition area, the second sensing electrode configured for sensing a touch and recognizing a fingerprint; and a pad portion provided with a plurality of pads which are electrically connected to respective sensing electrodes, wherein the at least one second sensing electrode includes: a plurality of sub electrodes extending in a direction inclined with respect to an edge portion of the active area; and a plurality of fingerprint recognition lines connecting the sub electrodes to the pad portion, and the fingerprint recognition lines arranged in a same fingerprint recognition area extend in a same direction.
    Type: Application
    Filed: March 20, 2017
    Publication date: October 12, 2017
    Inventors: SOON SUNG AHN, HYOUNG WOOK JANG, HYUN JAE NA, MU GYEOM KIM
  • Patent number: 9696753
    Abstract: A touch panel with improved optical characteristics, thin-film characteristics, durability, and reliability is presented.
    Type: Grant
    Filed: June 19, 2015
    Date of Patent: July 4, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Joo Hyung Lee, Ja Seung Ku, Hyoung Wook Jang, Soon Sung Ahn
  • Publication number: 20170123518
    Abstract: A stylus includes a pressure detector for detecting applied pressure, a first signal generator for generating a signal of a first frequency, a second signal generator for generating a signal of a second frequency, and a controller for adjusting at least one of the first and second signal generators to control an amplitude ratio of the signal of the first frequency to the signal of the second frequency according to the applied pressure detected by the pressure detector.
    Type: Application
    Filed: November 10, 2016
    Publication date: May 4, 2017
    Inventors: Soon-Sung Ahn, Hyoung-Wook Jang
  • Publication number: 20170075478
    Abstract: A display device includes: a substrate including a plurality of pixel regions; a first electrode arranged on each of the pixel regions of the substrate; an organic layer arranged on the first electrode; a second electrode including a plurality of second electrode patterns each at least partially overlapping respective ones of the pixel regions and arranged on the organic layer; and a plurality of sensing lines spaced apart from the first electrode on the same plane or layer as the first electrode, the sensing lines being connected to respective ones of the second electrode patterns.
    Type: Application
    Filed: September 12, 2016
    Publication date: March 16, 2017
    Inventors: Jong Han Jeong, Ha Da Chang, Hyoung Wook Jang
  • Patent number: 9519388
    Abstract: A touch sensor includes a controller to detect a touch on a screen. The controller includes a voltage analyzer and a calculator. The voltage analyzer measures an output voltage of a sensing electrode of a touch sensor. The calculator calculates a capacitance between the sensing electrode and a driving electrode. The calculator calculates the capacitance based on a voltage matrix and the output voltage for one or more time periods. The voltage matrix is based on a code matrix of a plurality of code matrices.
    Type: Grant
    Filed: July 21, 2014
    Date of Patent: December 13, 2016
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventor: Hyoung-Wook Jang
  • Publication number: 20160216822
    Abstract: A flexible display device having a touch and bending sensing function includes a plurality of pixels on a display area of a first substrate, and a pressure sensor portion between the first substrate and the plurality of pixels, the pressure sensor portion including a plurality of first electrodes arranged in a first direction and a plurality of second electrodes above the first electrodes and arranged in a second direction.
    Type: Application
    Filed: April 1, 2016
    Publication date: July 28, 2016
    Inventor: Hyoung-Wook JANG
  • Publication number: 20160197610
    Abstract: A touch panel with improved optical characteristics, thin-film characteristics, durability, and reliability is presented.
    Type: Application
    Filed: June 19, 2015
    Publication date: July 7, 2016
    Inventors: Joo Hyung LEE, Ja Seung KU, Hyoung Wook JANG, Soon Sung AHN
  • Publication number: 20160195946
    Abstract: Disclosed is a touch sensor device, including: a plurality of first sensing electrodes which includes a plurality of first linear electrodes extending in a first direction and a first connection electrode connecting the plurality of first linear electrodes to each other; and a plurality of second sensing electrodes which includes a plurality of second linear electrodes extending in a second direction perpendicular to the first direction and a second connection electrode connecting the plurality of second linear electrodes to each other, in which a disposition density of the plurality of first linear electrodes included in one first sensing electrode is gradually decreased from a center of the first sensing electrode to an outer side of the first sensing electrode.
    Type: Application
    Filed: June 17, 2015
    Publication date: July 7, 2016
    Inventors: Soon Sung AHN, Hyoung Wook JANG, SEUNG HEUI JEONG, Joo Hyung LEE
  • Publication number: 20160188036
    Abstract: A touch sensing apparatus is provided. A touch sensing apparatus comprises a panel comprising a plurality of driving electrodes and a plurality of sensing electrodes crossing the driving electrodes, a driving circuit unit simultaneously applying the driving signals to the driving electrodes in a certain interval and a sensing circuit unit sensing a change in capacitance occurring in intersecting points between the driving electrodes having the driving signals applied thereto and the sensing electrodes, wherein, when a driving waveform of the driving signal applied to the driving electrode in a (2k?1)-th interval and a (2k+1)-th interval (k is a natural number greater than 1) of the certain interval is in the same phase, the driving circuit unit applies a reverse driving signal of the driving waveform of the driving signal of the (2k?1)-th interval to the driving electrode in a 2k interval.
    Type: Application
    Filed: May 22, 2015
    Publication date: June 30, 2016
    Inventors: Soon Sung AHN, Joo Hyung LEE, Hyoung Wook JANG
  • Patent number: 9367168
    Abstract: A touch screen system includes a touch screen panel including first lines, second lines crossing the first lines, a plurality of sensing cells formed at the crossing regions between the first lines and the second lines, a driving circuit for sequentially applying a driving signal to the first lines, a first sensing circuit for receiving capacitance change information sensed by the first lines, and generating a first sensing signal corresponding to the capacitance change information, a selecting unit for selectively coupling the first lines to the driving circuit or the first sensing circuit, a second sensing circuit for receiving the capacitance change information sensed by the sensing cells from the second lines and generating a second sensing signal corresponding to the capacitance change information, and a processing unit for receiving a sensing signal from the first sensing circuit and/or the second sensing circuit and determining a detected touch position.
    Type: Grant
    Filed: September 21, 2011
    Date of Patent: June 14, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Soon-Sung Ahn, Hyoung-Wook Jang, Ja-Seung Ku
  • Publication number: 20160132158
    Abstract: A touch screen panel includes a plurality of pixels on a substrate, a sealing thin film on the substrate, and a plurality of sensing electrodes on the sealing thin film, each of the sensing electrodes having a mesh structure, the mesh structures of the sensing electrodes and the pixels overlapping different portions of the substrate.
    Type: Application
    Filed: January 14, 2016
    Publication date: May 12, 2016
    Inventor: Hyoung-Wook JANG
  • Publication number: 20160117026
    Abstract: Provided herein is a display device including a display unit for displaying an image, the display unit including light emitting regions; a touch sensor arranged on a rear surface of the display unit; and a coil unit arranged on a front surface of the display unit, and including a plurality of auxiliary coils.
    Type: Application
    Filed: July 28, 2015
    Publication date: April 28, 2016
    Inventors: Soon Sung AHN, Hyoung Wook JANG
  • Patent number: 9304348
    Abstract: A flexible display device having a touch and bending sensing function includes a plurality of pixels on a display area of a first substrate, and a pressure sensor portion between the first substrate and the plurality of pixels, the pressure sensor portion including a plurality of first electrodes arranged in a first direction and a plurality of second electrodes above the first electrodes and arranged in a second direction.
    Type: Grant
    Filed: June 26, 2013
    Date of Patent: April 5, 2016
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventor: Hyoung-Wook Jang
  • Publication number: 20160066411
    Abstract: A circuit board includes a substrate and conductive patterns disposed inside or on the substrate, in which two neighboring conductive patterns are separated from each other by a gap disposed therebetween, and the conductive pattern includes first cut patterns connected to the gap and disposed toward an inside of the conductive pattern.
    Type: Application
    Filed: January 21, 2015
    Publication date: March 3, 2016
    Inventors: Jong Ho HONG, Hye Jin Joo, Won Il Choi, Soon Sung Ahn, Hyoung Wook Jang
  • Patent number: 9239654
    Abstract: A touch screen panel includes a plurality of pixels on a substrate, a sealing thin film on the substrate, and a plurality of sensing electrodes on the sealing thin film, each of the sensing electrodes having a mesh structure, the mesh structures of the sensing electrodes and the pixels overlapping different portions of the substrate.
    Type: Grant
    Filed: August 14, 2012
    Date of Patent: January 19, 2016
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventor: Hyoung-Wook Jang
  • Patent number: 9207825
    Abstract: A display device, including an upper substrate, a plurality of sense wires disposed on the upper substrate, a plurality of sense pads disposed on the upper substrate, a plurality of first connection units disposed on the upper substrate, a lower substrate, a display unit including a plurality of display elements, disposed on the lower substrate, multiplexer units disposed on the lower substrate, a touch panel driver integrated circuit connected to the multiplexer units, and conductive members electrically connecting the plurality of first connection units and the plurality of second connection units, respectively, wherein each of the plurality of sense wires is connected with each of the plurality of sense pads, and one end of each of the plurality of sense wires is connected to each of the plurality of first connection units, respectively, and the multiplexer units each include a plurality of second connection units.
    Type: Grant
    Filed: April 1, 2014
    Date of Patent: December 8, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hyoung Wook Jang, Soon Sung Ahn
  • Patent number: 9195337
    Abstract: A touch screen system includes a touch screen panel including first lines, second lines crossing the first lines, a plurality of sensing cells formed at the crossing regions between the first lines and the second lines, a driving circuit for sequentially applying a driving signal to the first lines, a first sensing circuit for receiving capacitance change information sensed by the first lines, and generating a first sensing signal corresponding to the capacitance change information, a selecting unit for selectively coupling the first lines to the driving circuit or the first sensing circuit, a second sensing circuit for receiving the capacitance change information sensed by the sensing cells from the second lines and generating a second sensing signal corresponding to the capacitance change information, and a processing unit for receiving a sensing signal from the first sensing circuit and/or the second sensing circuit and determining a detected touch position.
    Type: Grant
    Filed: September 21, 2011
    Date of Patent: November 24, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Soon-Sung Ahn, Hyoung-Wook Jang, Ja-Seung Ku
  • Patent number: 9158398
    Abstract: A display device including a plurality of pixels at a display region of a first substrate, and an electromagnetic resonance (EMR) sensor unit at one surface of the first substrate, the EMR sensor unit including a first group of coils and a second group of coils, the first group of coils and the second group of coils being laminated, wherein the EMR sensor unit is beneath the plurality of pixels.
    Type: Grant
    Filed: December 12, 2012
    Date of Patent: October 13, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Seung-Heui Jeong, Hyoung-Wook Jang
  • Publication number: 20150261348
    Abstract: A display device includes: a plurality of first electrode patterns; a plurality of second electrode patterns; a plurality of first touch signal lines; and a plurality of second touch signal lines. The plurality of first electrode patterns respectively include a plurality of first electrode cells physically separated from each other and arranged in a first direction. The plurality of second electrode patterns include a plurality of second electrode cells physically separated from each other and arranged in a second direction crossing the first direction. The plurality of first touch signal lines are connected to the first electrode cells. The plurality of second touch signal lines are connected to the second electrode cells. The first and second electrode patterns and the first and second touch signal lines are all positioned at the same layer on a substrate. The first touch signal lines are independently connected to each first electrode cell.
    Type: Application
    Filed: October 1, 2014
    Publication date: September 17, 2015
    Inventors: Hyoung Wook JANG, Hyun Jae NA, Jin Woo NOH, Soon Sung AHN