Patents by Inventor Ji Hun Kim

Ji Hun Kim 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: 20170114197
    Abstract: The present application relates to a composite electrolyte membrane and a method for manufacturing the same. The composite electrolyte membrane according to the present application includes: a poly(arylene ether sulfone) copolymer including the repeating unit represented by Chemical Formula 1 and the repeating unit represented by Chemical Formula 2; and a core-shell particle including an inorganic particle core and a basic organic polymer shell.
    Type: Application
    Filed: June 12, 2015
    Publication date: April 27, 2017
    Applicants: LG CHEM, LTD., SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION
    Inventors: Seong Ho CHOI, Jong-Chan LEE, Hyuk KIM, Doyoung KIM, Ji Hun KIM, Taeyun KO, Bo-Kyung JUNG, Kihyun KIM
  • Patent number: 9620053
    Abstract: The present invention relates to a technique for outputting threshold voltages by properly changing the threshold voltages such that the threshold voltages can protect low-voltage driving elements within an analog to digital converter when the threshold voltages of an OLED display panel are sensed and outputted to the analog to digital converter. The present invention comprises: a sampling capacitor which samples threshold voltages sensed and inputted from an organic light-emitting diode on a display panel; a charge-sharing capacitor which charges and shares the threshold voltages sampled from the sampling capacitor, or solely charges the threshold voltages to bypass the threshold voltages; and a sample-and-hold unit which has a plurality of switches for performing switching operations for the sampling operation of the sampling capacitor and the charging and the sharing of the charge-sharing capacitor, and scales the threshold voltages to threshold voltage areas having a certain value or less.
    Type: Grant
    Filed: December 28, 2012
    Date of Patent: April 11, 2017
    Assignee: SILICON WORKS CO., LTD.
    Inventors: Ji-Hun Kim, Hae-Won Lee, Kyoung-Jik Min, Yeong-Joon Son
  • Publication number: 20170097707
    Abstract: A touch screen panel including a touch electrode disposed on a base substrate, the touch electrode including a plurality of mesh patterns formed by crossing of metal wirings. The mesh patterns include a main electrode pattern and a buffer pattern overlapping the main electrode pattern, the buffer pattern having a thickness greater than 20% of a thickness of the main electrode pattern and less than 30% of a thickness of the main electrode pattern.
    Type: Application
    Filed: April 22, 2016
    Publication date: April 6, 2017
    Inventors: Ji-Hun KIM, Hyun-Min CHO, Yun-Jong YEO
  • Patent number: 9536488
    Abstract: The present invention provides a gamma voltage supply circuit capable of stably supplying a gamma voltage in response to the change of external voltage and a power management IC including the same. The gamma voltage supply circuit generates a regulating voltage using an internal voltage which is not influenced by the variation in load of a source driver IC, and generates a gamma voltage using the regulating voltage.
    Type: Grant
    Filed: November 20, 2013
    Date of Patent: January 3, 2017
    Assignee: SILICON WORKS CO., LTD.
    Inventors: Young Jin Woo, Young Sik Kim, Ji Hun Kim, Byeong Jae Park
  • Publication number: 20160334904
    Abstract: A touch screen panel and a method of manufacturing the same. The touch screen panel includes: a plurality of touch electrodes disposed in a touch area of a substrate, the touch electrodes configured to sense a touch; and a connecting wire connected with the touch electrode and having a pad connected to one end. The connecting wire includes a first wire layer made of a metal nano wire disposed on the substrate, a second wire layer made of a first transparent conductive material, a third wire layer disposed on an upper surface of the second pad and made of a second transparent conductive material, and a fourth wire layer made of aluminum (Al) disposed on the third pad.
    Type: Application
    Filed: March 24, 2016
    Publication date: November 17, 2016
    Inventors: Shin Il CHOI, Ji Hun KIM, Bong-Kyun KIM
  • Patent number: 9484409
    Abstract: A semiconductor device includes a semiconductor substrate including a well dopant layer having a first conductivity type, a gate electrode on the well dopant layer, a channel dopant layer in the well dopant layer and spaced apart from a top surface of the semiconductor substrate, a channel region between the gate electrode and the channel dopant layer, and source/drain regions in the well dopant layer at both sides of the gate electrode. The channel dopant layer and the channel region have the first conductivity type. The source/drain regions have a second conductivity type. A concentration of dopants having the first conductivity type in the channel dopant layer is higher than a concentration of dopants having the first conductivity type in the channel region. The semiconductor device may be used in a sense amplifier of a memory device.
    Type: Grant
    Filed: September 4, 2015
    Date of Patent: November 1, 2016
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Eun-Sun Lee, Junhwa Song, Ji Hun Kim, Jeonghoon Oh
  • Patent number: 9451685
    Abstract: The purpose of the present invention is to solve the problems of conventional high frequency plasma torches and develop a plasma torch which enables quick quenching of high frequency plasma and which overcomes instability resulting from the quick quenching. To accomplish the abovementioned objective, according to one embodiment of the present invention, disclosed is an electromagnetic wave high frequency hybrid plasma torch.
    Type: Grant
    Filed: December 27, 2013
    Date of Patent: September 20, 2016
    Assignee: KOREA BASIC SCIENCE INSTITUTE
    Inventors: Yong-Cheol Hong, Jung-Sik Yoon, Ji-Hun Kim
  • Publication number: 20160141367
    Abstract: A semiconductor device includes a semiconductor substrate including a well dopant layer having a first conductivity type, a gate electrode on the well dopant layer, a channel dopant layer in the well dopant layer and spaced apart from a top surface of the semiconductor substrate, a channel region between the gate electrode and the channel dopant layer, and source/drain regions in the well dopant layer at both sides of the gate electrode. The channel dopant layer and the channel region have the first conductivity type. The source/drain regions have a second conductivity type. A concentration of dopants having the first conductivity type in the channel dopant layer is higher than a concentration of dopants having the first conductivity type in the channel region. The semiconductor device may be used in a sense amplifier of a memory device.
    Type: Application
    Filed: September 4, 2015
    Publication date: May 19, 2016
    Inventors: EUN-SUN LEE, JUNHWA SONG, JI HUN KIM, JEONGHOON OH
  • Publication number: 20160077377
    Abstract: Provided is a wire grid polarizer. The wire grid polarizer includes a substrate, and a plurality of conductive wire patterns which are in parallel with each other and projected from the substrate. The plurality of conductive wire patterns includes a conductive wire pattern material in which an oxide layer is defined at an outer side surface thereof, and an oxidation resistant layer on the oxide layer at the outer side surface of the conductive wire pattern material. The oxide layer is between the oxidation resistant layer and a remainder of the conductive wire pattern material.
    Type: Application
    Filed: February 17, 2015
    Publication date: March 17, 2016
    Inventors: Ji Hun KIM, Moon Jung AN, Yun Jong YEO, Hyun Min CHO, Sang Gab KIM
  • Publication number: 20160079246
    Abstract: A method of fabricating a semiconductor device, the method including etching a portion of a substrate including a first region and a second region to form a device isolation trench; forming a device isolation layer defining active regions by sequentially stacking a first insulating layer, a second insulating layer, and a third insulating layer on an inner surface of the device isolation trench; forming word lines buried in the substrate of the first region, the word lines extending in a first direction to intersect the active region of the first region, the word lines being spaced apart from each other; forming a first mask layer covering the word lines on the substrate of the first region, the first mask layer exposing the substrate of the second region; forming a channel layer on the substrate of the second region; and forming a gate electrode on the channel layer.
    Type: Application
    Filed: September 10, 2015
    Publication date: March 17, 2016
    Inventors: Ji Hun KIM, Ilgweon KIM, Junhwa SONG, Jeonghoon OH, WonSeok YOO, Eun-Sun LEE
  • Patent number: 9287215
    Abstract: A source driver integrated circuit comprises a common node; a plurality of pads for inputting power, a portion of which are connected to an external power source and the remainder of which are connected to the portion through the common node; and a common power line which is connected to the plurality of power input pads through the common node. As a result, the resolution of adjacent channels varies very little and block dimming between channels can be resolved.
    Type: Grant
    Filed: December 28, 2012
    Date of Patent: March 15, 2016
    Assignee: SILICON WORKS CO., LTD.
    Inventors: Ji Hun Kim, Kyong Jik Min, Hae Won Lee, Byung Yun Jin
  • Publication number: 20160056304
    Abstract: A three-terminal nano-electro-mechanical field-effect transistor (NEMFET) includes a source electrode, a gate electrode, a drain electrode and a nanoelectromechanically suspended channel bridging the source electrode and the drain electrode. The nanoelectromechanically suspended channel includes a moveable nanowire and a dielectric coating on a surface of the nanowire facing the gate electrode. A thickness of a gap between the nanowire and the gate electrode is determined by a thickness of the dielectric coating.
    Type: Application
    Filed: April 11, 2014
    Publication date: February 25, 2016
    Inventors: Ji Hun KIM, Jie XIANG, Zack Ching-Yang CHEN, Soonshin KWON
  • Patent number: 9266186
    Abstract: A substrate-treating apparatus includes a process chamber including a space therein, a lower electrode which is in the space of the process chamber and supports the substrate, an upper electrode which faces the lower electrode in the process chamber, a high frequency supply line which includes a feed point which applies a high frequency power to the lower electrode, and a modulator which asymmetrically supplies a dielectric substance to a lower portion of the lower electrode with reference to a center portion of the lower electrode.
    Type: Grant
    Filed: December 14, 2012
    Date of Patent: February 23, 2016
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Takayuki Fukasawa, Klhyuk Kim, Ji Hun Kim
  • Publication number: 20150334815
    Abstract: The purpose of the present invention is to solve the problems of conventional high frequency plasma torches and develop a plasma torch which enables quick quenching of high frequency plasma and which overcomes instability resulting from the quick quenching. To accomplish the abovementioned objective, according to one embodiment of the present invention, disclosed is an electromagnetic wave high frequency hybrid plasma torch.
    Type: Application
    Filed: December 27, 2013
    Publication date: November 19, 2015
    Applicant: KOREA BASIC SCIENCE INSTITUTE
    Inventors: Yong-Cheol HONG, Jung-Sik YOON, Ji-Hun KIM
  • Publication number: 20150287752
    Abstract: A sensor substrate includes a base substrate, and a sensing transistor and a switching transistor, which are on the base substrate. The sensing transistor includes a first gate electrode, an optical response pattern on the first gate electrode, a first source electrode and a first drain electrode on the optical response pattern and spaced apart from each other, a first oxide semiconductor pattern between the first source electrode and the optical response pattern, and a second oxide semiconductor pattern between the first drain electrode and the optical response pattern. The switching transistor includes a second gate electrode, a third oxide semiconductor pattern on the second gate electrode, and a second source electrode and a second drain electrode on the third oxide semiconductor pattern to be spaced apart from each other.
    Type: Application
    Filed: January 19, 2015
    Publication date: October 8, 2015
    Inventors: YUNJONG YEO, JI HUN KIM, Hyunmin CHO
  • Patent number: 9153158
    Abstract: Disclosed is a light emitting display device capable of minimizing a current driving capability deviation among driving switching elements. The light emitting display device includes pixels each including a first TFT for supplying data voltage to a first node in response to a scan signal, a second TFT for forming a current path between first and second nodes in response to an emission control signal, a driving TFT for forming a current path between a first driving voltage supply line and a third node in accordance with a voltage level of the second node, a third TFT for supplying a reference voltage to a fourth node in response to a sensing signal, a fourth TFT for supplying an initialization voltage to the third node in response to an initialization signal, and a fifth TFT for supplying the reference voltage to the second node in response to the initialization signal.
    Type: Grant
    Filed: December 24, 2012
    Date of Patent: October 6, 2015
    Assignee: LG Display Co., Ltd.
    Inventors: Ji-Hun Kim, Jong-Sik Shim, Min-Kyu Chang
  • Patent number: 9143090
    Abstract: The present invention relates to an output voltage stabilization circuit. Specifically, the present invention relates to an output voltage stabilization circuit of a display device driving circuit, which generates a reference current dependent on a high source voltage using a current source independent of a magnitude of the high source voltage, generates a reference current dependent on a low source voltage using a current source independent of a magnitude of the low source voltage, and then generates a control signal by comparing the magnitudes to each other, whereby the output voltage stabilization circuit may stabilize an output voltage regardless of an order in which the low source voltage and the high source voltage are turned off in a circuit using both the low source voltage and the high source voltage.
    Type: Grant
    Filed: November 19, 2010
    Date of Patent: September 22, 2015
    Assignee: SILICON WORKS CO., LTD.
    Inventors: Jung Il Seo, Yong Jung Kwon, An Young Kim, Joon Ho Na, Yun Tack Han, Ji Hun Kim, Hyun Min Song, Yeong Joon Son, Sung Wan Jung, Sang Woo Kim, Hae Won Lee
  • Publication number: 20150224704
    Abstract: A master mold for manufacturing an imprint mold includes a base part and a plurality of protrusions extending from the base part. At least one first recess is defined in a side portion of each of the protrusions. Additionally, an imprint mold used or utilized to manufacture a display device includes a base part and a plurality of protrusions extending from the base part. Each of the protrusions includes at least one first convex portion protruding from a side portion of each of the protrusions.
    Type: Application
    Filed: October 28, 2014
    Publication date: August 13, 2015
    Inventors: Hyunmin Cho, Ji Hun Kim, Gwan Ha Kim, Sanggab Kim, Jungha Son
  • Publication number: 20150186024
    Abstract: A multi-window control method and an electronic device supporting the same is provided. The multi-window control method includes changing a size of at least one specific window among a plurality of windows, and altering a focus to the at least one specific window based on a changed size of the at least one specific window.
    Type: Application
    Filed: December 31, 2014
    Publication date: July 2, 2015
    Inventors: Sun Yeal HONG, Ji Hun KIM, Hye Soon JEONG, Dae Sik HWANG, Sung Jun KIM
  • Publication number: 20150138056
    Abstract: The present invention provides a gamma voltage supply circuit capable of stably supplying a gamma voltage in response to the change of external voltage and a power management IC including the same. The gamma voltage supply circuit generates a regulating voltage using an internal voltage which is not influenced by the variation in load of a source driver IC, and generates a gamma voltage using the regulating voltage.
    Type: Application
    Filed: November 20, 2013
    Publication date: May 21, 2015
    Applicant: SILICON WORKS CO., LTD.
    Inventors: Young Jin Woo, Young Sik Kim, Ji Hun Kim, Byeong Jae Park