Patents by Inventor Jong Hyun Choi

Jong Hyun Choi 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).

  • METHOD OF MANUFACTURING ORGANIC LIGHT EMITTING DISPLAY APPARATUS
    Publication number: 20170125748
    Abstract: A method of manufacturing an organic light-emitting display includes a first mask process forming an active layer of a TFT and a refractive layer on a substrate, forming a DBR layer covering the active and refractive layers, a second mask process forming a gate electrode and a first electrode unit on the DBR layer, forming an interlayer insulation layer covering the gate electrode and the first electrode unit, a third mask process forming contact holes in the interlayer insulation layer and the DBR layer exposing portions of the active layer and a hole exposing the first electrode unit, a fourth mask process forming source and drain electrodes on the interlayer insulation layer that contact the active layer via the contact holes, and forming a pixel electrode from the first electrode unit, and a fifth mask process forming a pixel definition layer exposing the pixel electrode.
    Type: Application
    Filed: December 9, 2016
    Publication date: May 4, 2017
    Inventors: Jong-Hyun CHOI, Dong-Hyun LEE, Dae-Woo LEE, Seong-Hyun JIN, Guang-Hai JIN
  • SEMICONDUCTOR DEVICE AND SEMICONDUCTOR PACKAGE COMPRISING THE SAME
    Publication number: 20170117198
    Abstract: A semiconductor device may include a first terminal electrically connected to a first semiconductor chip, a second terminal electrically connected to a second semiconductor chip, which is different from the first semiconductor chip, a first signal line electrically connecting the first terminal and the second terminal and including a first node, a third terminal connected to a tester monitoring a signal transmitted between the first semiconductor chip and the second semiconductor chip, a fourth terminal applied a reference voltage, a second signal line electrically connecting the third terminal and the fourth terminal and including a second node, a first resistor connected between the first node and the second node and a second resistor directly connected to the second node different from the first resistor.
    Type: Application
    Filed: October 20, 2016
    Publication date: April 27, 2017
    Inventors: Joung-Yeal KIM, Dae-Hyun KWON, Mi-Young WOO, Joon-Sun YOON, Jong-Hyun CHOI
  • Semiconductor memory devices, memory systems including refresh control circuit and method of performing weak refresh operation on the weak pages thereof
    Patent number: 9620193
    Abstract: A semiconductor memory device includes a memory cell array and a refresh control circuit. The memory cell array includes a plurality of memory cell rows. The refresh control circuit performs a normal refresh operation on the plurality of memory cell rows and performs a weak refresh operation on a plurality of weak pages of the plurality of memory cell rows. Each of the weak pages includes at least one weak cell whose data retention time is smaller than normal cells. The refresh control circuit transmits a refresh flag signal to a memory controller external to the semiconductor memory device when the refresh control circuit performs the weak refresh operation on the weak pages in a normal access mode.
    Type: Grant
    Filed: July 8, 2015
    Date of Patent: April 11, 2017
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Doo-Hee Hwang, Sang-Kyu Kang, Dong-Yang Lee, Jae-Yeon Choi, Jong-Hyun Choi
  • Organic light-emitting diode (OLED) display and method of manufacturing the same
    Patent number: 9614016
    Abstract: An organic light-emitting diode (OLED) display and a method of manufacturing the OLED display are disclosed. In one aspect, the OLED display includes a substrate including a display region and a peripheral region, a first auxiliary electrode formed in the peripheral region, and a protecting electrode. The protecting electrode can be formed in the display region and the peripheral region, wherein at least a portion of the protecting electrode can be formed above the first auxiliary electrode.
    Type: Grant
    Filed: November 7, 2014
    Date of Patent: April 4, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jong-Hyun Choi, Shin-Moon Kang
  • MULTI-SCREEN DISPLAY DEVICE AND MANUFACTURING METHOD THEREOF
    Publication number: 20170094817
    Abstract: A display device according to an exemplary embodiment includes: a first display unit having a polygon shape for displaying an image; and a plurality of second display units displaying an image and respectively disposed adjacent to respective sides of the polygon of the first display unit. The plurality of second display units may be bent based on the respective sides such that the first display unit and the plurality of second display units form a three-dimensional shape.
    Type: Application
    Filed: September 30, 2016
    Publication date: March 30, 2017
    Inventors: Ki Nyeng KANG, Jong Hyun CHOI
  • DISPLAY DEVICE
    Publication number: 20170025070
    Abstract: A display device is disclosed. In one aspect, the display device includes a display area including a plurality of pixel circuits arranged in a first direction and a second direction crossing the first direction. The display device also includes a plurality of gate lines extending in the first direction and electrically connected to the pixel circuits, and a gate driver electrically connected to the gate lines and disposed in the display area.
    Type: Application
    Filed: May 19, 2016
    Publication date: January 26, 2017
    Inventors: Ki Nyeng Kang, Jong Hyun Choi
  • Window member and display apparatus having the same
    Patent number: 9553962
    Abstract: A window member includes a base substrate that includes a display area transmitting a light and a non-display area disposed adjacent to the display area, a color pattern disposed on a surface of the base substrate in the non-display area, and a heat-discharge member that covers the color pattern and absorbs a heat to discharge the heat to an outside.
    Type: Grant
    Filed: July 16, 2013
    Date of Patent: January 24, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventor: Jong Hyun Choi
  • Method of manufacturing thin film transistor (TFT) array substrate
    Patent number: 9548321
    Abstract: A thin film transistor (TFT) array substrate is provided that includes a TFT on a substrate. The TFT can include an active layer, gate electrode, source electrode, drain electrode, first insulating layer between the active layer and the gate electrode, and second insulating layer between the gate electrode and the source and drain electrodes. A pixel electrode is disposed on the first and second insulating layers. A capacitor including a lower electrode is disposed on a same layer as the gate electrode and an upper electrode. A third insulating layer directly between the second insulating layer and the pixel electrode and between the lower electrode and the upper electrode. A fourth insulating layer covers the source electrode, the drain electrode, and the upper electrode, and exposes the pixel electrode and can further expose a pad electrode.
    Type: Grant
    Filed: April 2, 2015
    Date of Patent: January 17, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD
    Inventors: June-Woo Lee, Jae-Beom Choi, Kwan-Wook Jung, Jae-Hwan Oh, Seong-Hyun Jin, Kwang-Hae Kim, Jong-Hyun Choi
  • DISPLAY DEVICE AND ELECTRONIC WATCH INCLUDING THE SAME
    Publication number: 20160363909
    Abstract: A display device and an electronic watch including the same are disclosed. In one aspect, the display device includes a substrate having a through-hole. The display device also includes a display unit formed on the substrate and surrounding the through-hole, the display unit configured to display an image.
    Type: Application
    Filed: January 18, 2016
    Publication date: December 15, 2016
    Inventors: Ki Nyeng Kang, Keum Nam Kim, Jong Hyun Choi
  • Thin film transistor array substrate and method of manufacturing the same
    Patent number: 9502442
    Abstract: A thin film transistor array substrate and a method of manufacturing the thin film transistor array substrate are provided. The thin film transistor array substrate may include: a substrate; a thin film transistor (TFT) including an active layer, a gate electrode, a source electrode, and a drain electrode on the substrate. The gate electrode may include a bottom gate electrode and a top gate electrode that covers upper and lateral surfaces of the bottom gate electrode.
    Type: Grant
    Filed: October 14, 2014
    Date of Patent: November 22, 2016
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Yong-Duck Song, Jong-Hyun Choi, Jun-Seon Seo
  • Organic light emitting display and method of manufacturing the same
    Patent number: 9502689
    Abstract: An organic light emitting display device includes a sub-pixel having a first electrode and a second electrode arranged on a substrate, the first and second electrodes face each other, a light emission layer interposed between the first and second electrodes, and a mirror unit that corresponds to a portion of the light emission layer. The mirror unit is buried in a first part of a base surface of the sub-pixel such that a side of the mirror unit facing the light emission layer is aligned with a side of a second part of the base surface that faces the light emission layer and that excludes the mirror unit.
    Type: Grant
    Filed: October 15, 2012
    Date of Patent: November 22, 2016
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jong-Hyun Choi, Jae-Hwan Oh, Byoung-Ki Kim
  • ORGANIC LIGHT EMITTING DIODE DISPLAY, DRIVING METHOD THEREOF, AND MANUFACTURING METHOD THEREOF
    Publication number: 20160321997
    Abstract: An organic light emitting diode display includes a semiconductor pattern which includes a plurality of channel regions. A first gate insulating layer is on the semiconductor pattern, a first gate conductive layer is on the first gate insulating layer, a second gate insulating layer is on the first gate conductive layer, and a second gate conductive layer is on the second gate insulating layer. The channel regions include a first channel region that overlaps the first gate conductive layer and a second channel region that does not overlap the first gate conductive layer. The first channel region and the second channel region have different doping concentrations.
    Type: Application
    Filed: July 8, 2016
    Publication date: November 3, 2016
    Inventors: Cheol Yun JEONG, Jong Hyun CHOI
  • TOUCH PANEL
    Publication number: 20160299599
    Abstract: A touch panel includes: a substrate; touch electrodes disposed on the substrate, the touch electrodes being configured to sense a touch input; and touch signal lines each connected to one of the touch electrodes, the touch signal lines each including a fanout portion and a pad portion, the pad portion being electrically connected to a touch controller. Each of the fanout portion and the pad portion includes a first conductor, a second conductor disposed on the first conductor, and a third conductor disposed on the second conductor, and a passivation layer disposed on the third conductor.
    Type: Application
    Filed: January 12, 2016
    Publication date: October 13, 2016
    Inventors: Ki Nyeng KANG, Jong Hyun CHOI, Jeong-Hwan KIM
  • TOUCH SCREEN PANEL AND MANUFACTURING METHOD THEREOF
    Publication number: 20160299608
    Abstract: An exemplary embodiment discloses a touch screen panel including a substrate, touch electrodes positioned in a touch area of the substrate and configured to sense a touch, connecting wirings connected to the touch electrodes, and pads positioned in a peripheral area of the substrate and connected to the electrodes. The touch electrodes include a first electrode and a second electrode positioned on the first electrode. The first electrode includes openings and the second electrode covers the first electrode and the openings of the first electrode.
    Type: Application
    Filed: September 15, 2015
    Publication date: October 13, 2016
    Inventors: Jong Hyun CHOI, Jung-Moo HONG
  • Window cleaning apparatus capable of supplying power in real-time from inner unit to outer unit
    Patent number: 9439545
    Abstract: A window cleaning apparatus comprises: a first cleaning unit, which is positioned on one side of a window, having at least one built-in first magnetic module comprising a magnet; and a second cleaning unit, which is positioned on the opposite side of the window on which the first cleaning unit is positioned, having at least one built-in second magnetic module, which comprises a magnet having an opposite polarity to the magnetic module of the first cleaning unit so as to generate magnetic attraction with the first magnetic module. The second cleaning unit comprises an induction electricity generating module for generating electricity by inducing the change in the magnetic field emanating from the first magnetic module and/or the second magnetic module into voltage by means of electromagnetic induction.
    Type: Grant
    Filed: November 8, 2012
    Date of Patent: September 13, 2016
    Assignee: INDUSTRY-ACADEMIC COOPERATION FOUNDATION, YONSEI UNIVERSITY
    Inventors: Yoon Su Baek, Jong Hyun Choi
  • ORGANIC LIGHT EMITTING DISPLAY DEVICE
    Publication number: 20160253017
    Abstract: An organic light emitting display device having an electrostatic capacitive type touch panel function with reduced thickness and improved luminance. A display panel of the organic light emitting display device includes a substrate, a display unit having a plurality of pixels on the substrate, and a touch sensing unit on the display unit. The touch sensing unit includes an encapsulation substrate and a capacitive pattern layer on a side of the encapsulation substrate facing the display unit. The capacitive pattern layer has a plurality of openings corresponding in position to the plurality of pixels.
    Type: Application
    Filed: May 9, 2016
    Publication date: September 1, 2016
    Inventors: Young-Dae Kim, Jong-Hyun Choi, Choong-Youl Im, Il-Jeong Lee
  • Organic light-emitting display apparatus and method of manufacturing the same
    Patent number: 9425419
    Abstract: Provided is an organic light-emitting display apparatus including a substrate; and a plurality of pixels on the substrate, wherein each of the pixels comprise: an organic light-emitting device comprising a first electrode, a second electrode, and an intermediate layer between the first electrode and the second electrode, wherein the intermediate layer comprises an organic emission layer; a driving transistor configured to drive the organic light-emitting device; and a switching transistor electrically coupled to the driving transistor, wherein the gate electrode of the driving transistor comprises a first conductive layer, and a second conductive layer between the first conductive layer and the active layer of the driving transistor and has a smaller size than the first conductive layer, and the gate electrode of the switching transistor comprises a same material as the first conductive layer.
    Type: Grant
    Filed: August 12, 2013
    Date of Patent: August 23, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jun-Seon Seo, Jong-Hyun Choi, Yong-Duck Son, Jin-Wook Seo
  • OPTICAL MODULE
    Publication number: 20160230955
    Abstract: Provided is an optical module. The optical module includes a substrate; a light emitting diode provided on the substrate; a first member that is provided in front of the substrate, transmits some of the light emitted from the light emitting diode and reflects some other light; and a second member that is provided between the substrate and the first member so as to be spaced apart from the first member at a predetermined interval, is formed with an exposed region by which the light emitting diode is exposed at a position corresponding to the light emitting diode, and re-reflects the light reflected by the first member forward again.
    Type: Application
    Filed: May 27, 2014
    Publication date: August 11, 2016
    Applicant: El Lighting Co., LTD.
    Inventors: Myong Gi JANG, Jong Hyun CHOI
  • TOUCH SCREEN PANEL AND MANUFACTURING METHOD THEREOF
    Publication number: 20160224170
    Abstract: A touch screen panel includes a substrate, touch electrodes disposed on a touch area of the substrate and configured to sense a touch, and a connection line disposed on the touch area, the connection line including a first end connected a touch electrode of the touch electrodes and a second end connected to a pad, the pad including a first conductive layer disposed on the substrate, a second conductive layer disposed on the first conductive layer, and a first protective conductive layer disposed on the second conductive layer, in which the touch electrode includes the first conductive layer, and the first protective conductive layer.
    Type: Application
    Filed: July 23, 2015
    Publication date: August 4, 2016
    Inventors: Jae Neung Kim, Jong Hyun Choi, Jeong-Hwan Kim, Won Baek Lee, Ki-Hyun Cho, Kyung Seop Kim, Cheol Kyu Kim, Sung Kyun Park, Sun Haeng Cho
  • TOUCH SENSOR
    Publication number: 20160224149
    Abstract: A touch sensor includes a plurality of touch electrodes on a touch area to sense touch, each of the touch electrodes having a plurality of branch electrodes parallel to each other in a first direction, and connection lines on the touch area and connected to the touch electrodes, the connection lines extending in the first direction in parallel to the branch electrodes, wherein a width of the connection line and a width of the branch electrode are equal to each other.
    Type: Application
    Filed: September 18, 2015
    Publication date: August 4, 2016
    Inventors: Ki Nyeng KANG, Jong Hyun CHOI, Sang Jo LEE, Ji Won HAN, Jung-Moo HONG, Seung Peom NOH, Seung Rok LEE