Patents by Inventor Woo-chul Jung

Woo-chul Jung 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: 20200180196
    Abstract: A manufacturing method of a symbol button for a vehicle includes: preparing a button body comprising a side portion, a top portion formed of a polymer material on which a metal is able to be plated; forming an electrically conductive layer on an outside of the button body using a conductive polymer material; forming a plating shielding layer in a form of a symbol using a material on which a metal is not able to be plated on the electrically conductive layer; and performing metal plating on the outside of the button body having the plating shielding layer.
    Type: Application
    Filed: September 12, 2019
    Publication date: June 11, 2020
    Inventors: Woo Chul JUNG, Sung Ho YOON, Jae Sik SEO, Choon Soo LEE
  • Patent number: 10680209
    Abstract: An organic light emitting diode (OLED) display includes a substrate where OLEDs are formed and an encapsulation member fixed onto the substrate while covering the OLEDs. The encapsulation member includes a photochromic material so that the encapsulation member is colored by external light.
    Type: Grant
    Filed: March 29, 2017
    Date of Patent: June 9, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Soon-Ryong Park, Woo-Suk Jung, Hee-Chul Jeon, Eun-Ah Kim, Hee-Seong Jeong, Noh-Min Kwak, Chul-Woo Jeong, Joo-Hwa Lee
  • Patent number: 10661227
    Abstract: The present invention relates to a method for producing lithium hydroxide and lithium carbonate, wherein the lithium hydroxide and the lithium carbonate can be produced by a series of steps of: performing bipolar electrodialysis of a lithium-containing solution from which divalent ion impurities have been removed; concentrating lithium in the lithium-containing solution and at the same time, converting the lithium to lithium hydroxide; and carbonating the lithium hydroxide to obtain lithium carbonate.
    Type: Grant
    Filed: May 11, 2016
    Date of Patent: May 26, 2020
    Assignee: RESEARCH INSTITUTE OF INDUSTRIAL SCIENCE & TECHNOLOGY
    Inventors: Sung Kook Park, Kwang Seok Park, Sang Gil Lee, Woo Chul Jung, Ki Young Kim, Hyun Woo Lee
  • Patent number: 10624517
    Abstract: Provided herein is a robot cleaner. The robot cleaner includes a main body, a driving unit provided in the main body and supplying power for traveling of the robot cleaner, first and second rotary members respectively rotating about first and second rotational axes based on power from the driving unit and allowing cleaners for wet cleaning to be fixed thereto, a sensing unit sensing whether a traveling position of the robot cleaner is below an obstacle, and a controller controlling, when it is determined that the traveling position of the robot cleaner is below the obstacle on the basis of a sensing signal from the sensing unit, the driving unit such that the robot cleaner avoids a lower side of the obstacle.
    Type: Grant
    Filed: February 5, 2016
    Date of Patent: April 21, 2020
    Assignee: EVERYBOT INC.
    Inventor: Woo Chul Jung
  • Patent number: 10624518
    Abstract: Provided herein is a robot cleaner. The robot cleaner includes a main body, a driving unit provided in the main body and supplying power for traveling of the robot cleaner, first and second rotary members respectively rotating about first and second rotational axes based on power from the driving unit to provide a movement power source for traveling of the robot cleaner, and allowing cleaners for wet cleaning to respectively be fixed thereto, and a controller determining a cleaning traveling pattern of the robot cleaner and controlling the driving unit such that the robot cleaner travels, while sequentially repeating forward movement and backward movement according to the determined cleaning traveling pattern.
    Type: Grant
    Filed: February 25, 2016
    Date of Patent: April 21, 2020
    Assignee: EVERYBOT INC.
    Inventors: Woo Chul Jung, Bong Yun Kim
  • Patent number: 10592714
    Abstract: A projection apparatus and an operation method thereof are provided. The projection apparatus may include a projector, a detector, and a processor. The projector may be configured to project an image to a projection area. The detector may be configured to detect an ID pattern disposed onto the projection area and a position of the ID pattern. The processor may be configured to generate a projection image including content corresponding to the detected ID pattern such that the content is projected to the position corresponding to the detected ID pattern. The processor may be further configured to control the projector to project the generated projection image.
    Type: Grant
    Filed: May 24, 2016
    Date of Patent: March 17, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Kil-soo Jung, Byung-chul Kim, Woo-sung Shim
  • Patent number: 10552656
    Abstract: A projection apparatus and an operation method thereof are provided. The projection apparatus may include a projector, a detector, and a processor. The projector may be configured to project an image to a projection area. The detector may be configured to detect an ID pattern disposed onto the projection area and a position of the ID pattern. The processor may be configured to generate a projection image including content corresponding to the detected ID pattern such that the content is projected to the position corresponding to the detected ID pattern. The processor may be further configured to control the projector to project the generated projection image.
    Type: Grant
    Filed: May 24, 2016
    Date of Patent: February 4, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Kil-soo Jung, Byung-chul Kim, Woo-sung Shim
  • Patent number: 10506970
    Abstract: Disclosed is a method of monitoring consciousness, the method including sensing at least two brainwave signals, extracting respective phase signals from the sensed brainwave signals, calculating entropy based on a variety in a change in terms of a phase difference between the extracted phase signals, and assessing a state of consciousness based on the calculated entropy.
    Type: Grant
    Filed: December 27, 2016
    Date of Patent: December 17, 2019
    Assignees: INBODY CO., LTD., UNIVERSITY OF ULSAN FOUNDATION FOR INDUSTRY COOPERATION, POSTECH ACADEMY-INDUSTRY FOUNDATION
    Inventors: Seunghwan Kim, Woo-Sung Jung, Heonsoo Lee, Gyujeong Noh, Ki Chul Cha, Jong Keun Kim, Jong Ku Lee
  • Publication number: 20190345641
    Abstract: Disclosed are a lyocell fiber, a nonwoven fibrous aggregate containing the lyocell fiber, and a mask pack sheet containing the nonwoven fibrous aggregate. The lyocell fiber contains a monofilament having a cross-section of a flat yarn or a flat yarn having a curvature. Such lyocell fiber exhibits physical properties that could not be provided by existing lyocell fibers having a circular cross-section, and thus can afford excellent properties such as excellent bendability for industrial material application, good feel and soft gloss property for clothes or interior applications, and transparency, skin adhesion, absorption, and maintenance of a solvent such as moisture, and a smooth surface feel for a mask pack nonwoven fibrous aggregate application.
    Type: Application
    Filed: December 29, 2017
    Publication date: November 14, 2019
    Applicant: KOLON INDUSTRIES, INC.
    Inventors: Jong Chul JUNG, Woo Chul KIM, Sang Woo JIN, Sang Yeol LEE, Sang Mok LEE
  • Patent number: 10431148
    Abstract: A module type display apparatus includes a communication interface configured to communicate with at least one external module type display apparatus; a display panel including a plurality of light emitting diodes (LEDs); a storage configured to store information regarding at least one of brightness and a color coordinate that is previously measured according to a characteristic of an LED among the plurality of light emitting diodes; at least one sensor configured to sense a characteristic of at least one LED; and a processor configured to set a target value based on at least one of second brightness and a second color coordinate received from the at least one external module type display apparatus, and control to adjust at least one of first brightness and first color coordinate of the at least one LED to have the target value, based on the information acquired from the storage.
    Type: Grant
    Filed: December 1, 2016
    Date of Patent: October 1, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Byung-chul Kim, Kil-soo Jung, Woo-sung Shim
  • Publication number: 20190264343
    Abstract: The present invention relates to a method for producing metallic lithium, and specifically a method for preparing lithium metal according to an embodiment of the present invention, comprises: preparing lithium phosphate; preparinge a mixture by adding a chlorine compound to the lithium phosphate; heating the mixture; obtaining lithium chloride by reacting the lithium phosphate and the chloride compound in the mixture; producing molten lithium metal by electrolyzing the lithium chloride; and recovering the molten lithium metal is disclosed.
    Type: Application
    Filed: June 7, 2016
    Publication date: August 29, 2019
    Inventors: Woon Kyoung PARK, Dae Yeob Park, Kwang Seok PARK, Woo Chul JUNG
  • Publication number: 20190263670
    Abstract: An apparatus for preparing carbonate according to an embodiment of the present invention includes a reactor in which carbonation gas reacts with a solution to be carbonated; a first nozzle located at one side of the reactor, and discharging the solution to be carbonated into the reactor, a second nozzle located adjacent to the first nozzle, and spraying the carbonation gas into the path through which the solution to be carbonated is discharged to form a mist composed of the solution to be carbonated and the carbonation gas, and a recovery unit located at a lower end of the reactor, and recovering a carbonate salt from the slurry formed in the reactor.
    Type: Application
    Filed: June 7, 2016
    Publication date: August 29, 2019
    Inventors: Woo Chul JUNG, Sang Gil LEE, Kwang Seok PARK, Sung Kook PARK, Ki Young KIM, Jin Yeop WI, Hyun Woo LEE, Woon Kyoung PARK, Myung Gyu LEE
  • Publication number: 20190233297
    Abstract: This disclosure relates to a method of preparing a lithium compound that includes preparing a lithium phosphate, mixing the lithium phosphate with sulfuric acid to obtain a mixture, converting the lithium phosphate into lithium sulfate through a reaction in the mixture, and separating the lithium sulfate in a solid phase, wherein in the step of converting the lithium phosphate into lithium sulfate through the reaction in the mixture, a sum concentration ([P+S] mol/L) of phosphorus (P) and sulfur (S) in a liquid phase of the mixture is greater than or equal to 5 mol/L.
    Type: Application
    Filed: September 29, 2017
    Publication date: August 1, 2019
    Inventors: Juyoung Kim, Ki Young Kim, Woo Chul Jung, Kwang Seok PARK, Hyunwoo Lee, Woonkyoung Park, Sang Won Kim, Jung Kwan Park, Heok Yang, Sung Kook Park, Seung Taek Kuk
  • Patent number: 10361339
    Abstract: A light emitting device and a manufacturing method therefor are disclosed. The light emitting device comprises: a patterned sapphire substrate (PSS) including a plurality of concave parts and protruding parts on the upper surface thereof; a buffer layer including a concave part buffer layer, which is positioned on the concave part, and a protruding part buffer layer, which is positioned on the side surface of the protruding part and dispersed and arranged in a plurality of island shapes; a lower nitride layer positioned on the buffer layer and the PSS and covering the protruding part; a void positioned on an interface between the side surface of the protruding part and the lower nitride layer; a first conductive type semiconductor layer positioned on the lower nitride layer; a second conductive type semiconductor layer positioned on the first conductive type semiconductor layer; and an active layer interposed between the first and second conductive type semiconductor layers.
    Type: Grant
    Filed: November 12, 2015
    Date of Patent: July 23, 2019
    Assignee: SEOUL VIOSYS CO., LTD.
    Inventors: Jung Whan Jung, Kyung Hae Kim, Woo Chul Kwak, Sam Seok Jang
  • Publication number: 20190206635
    Abstract: A symbol button for a vehicle includes: a button body; a button surface portion positioned at an upper portion of the button body; a symbol printing portion positioned on the button surface portion; an anti-plating portion positioned at a lower portion of the button body; and a metal plating layer positioned at the outside of a button excluding the symbol printing portion and the anti-plating portion.
    Type: Application
    Filed: November 1, 2018
    Publication date: July 4, 2019
    Inventors: Woo Chul JUNG, Choon Soo LEE, Kyoung Sil LEE, Jae Sik SEO, Sung Ho YOON, Yong Ju GIL, Won Gyoum KIM, Han NAM
  • Publication number: 20190203039
    Abstract: Disclosed is a composition including: an amount of about 60 to 90 wt % of a polymer matrix based on the total weight of the complex material composition and an amount of about 10 to 40 wt % of an inorganic filler based on the total weight of the composition.
    Type: Application
    Filed: October 30, 2018
    Publication date: July 4, 2019
    Inventors: Jae Sik Seo, Sung Ho Yoon, Woo Chul Jung
  • Patent number: 10293533
    Abstract: A method of manufacturing a doorstep or a door scuff is provided. The method includes an ABS material injection step of injecting an acrylonitrile butadiene styrene (ABS) material to have a doorstep (or a door scuff) shape; a plastic plating step of plating an ABS material with plastic; and a PP injection step of fixing the ABS material plated with plastic in a mold, and injecting PP to the ABS material fixed in the mold so that the ABS material and a polypropylene (PP) material have a one-piece structure.
    Type: Grant
    Filed: December 13, 2016
    Date of Patent: May 21, 2019
    Assignee: Hyundai Motor Company
    Inventors: Jae Sik Seo, Choon Soo Lee, Woo Chul Jung, Do Hyoung Kim
  • Publication number: 20180242808
    Abstract: Provided herein is a robot cleaner. The robot cleaner includes a main body, a driving unit provided in the main body and supplying power for traveling of the robot cleaner, first and second rotary members respectively rotating about first and second rotational axes based on power from the driving unit to provide a movement power source for traveling of the robot cleaner, and allowing cleaners for wet cleaning to respectively be fixed thereto, and a controller determining a cleaning traveling pattern of the robot cleaner and controlling the driving unit such that the robot cleaner travels, while sequentially repeating forward movement and backward movement according to the determined cleaning traveling pattern.
    Type: Application
    Filed: February 25, 2016
    Publication date: August 30, 2018
    Inventors: Woo Chul JUNG, Bong Yun KIM
  • Patent number: 10061031
    Abstract: A navigation terminal includes a path controller configured to identify moving trajectories reaching respective points of interest, to cluster the identified moving trajectories into at least one moving section, to reflect a road correction mechanism in the at least one clustered moving section and to cluster the at least one clustered moving section into at least one moving path, and to extract one moving path, in which time sequential position information received from a GPS is corrected, from the at least one clustered moving path. Thereby, the navigation terminal is resistant to error of a GPS sensor, error generated due to a collection cycle, or error generated in correction, and precisely predicts a moving path.
    Type: Grant
    Filed: June 24, 2015
    Date of Patent: August 28, 2018
    Assignees: HYUNDAI MOTOR COMPANY, Foundation of Soongsil University—Industry Cooperation
    Inventors: Woo Chul Jung, Young Woo Choi, Je Min Kim, Hae Jung Baek, Young Taek Park
  • Patent number: 10009166
    Abstract: A hybrid clock data recovery circuit includes a linear phase detector configured to generate a recovered data signal by sampling an input data signal in response to a clock signal, and to generate up and down signals having a pulse width difference that is linearly proportional to a phase difference between the input data signal and the clock signal. An arbiter is configured to generate a bang-bang up signal representing that a phase of the input data signal leads a phase of the clock signal and a bang-bang down signal representing that the phase of the clock signal leads the phase of the input data signal based on the up and down signals. A digital loop filter is configured to generate a digital control code based on the bang-bang up and down signals. A digitally controlled oscillator is configured to generate an oscillating frequency of the clock signal in response to the digital control code, and to adjust the oscillating frequency of the clock signal in response to the up and down signals.
    Type: Grant
    Filed: May 23, 2017
    Date of Patent: June 26, 2018
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Kwang-Chun Choi, Jong-Shin Shin, Sung-Jun Kim, Hye-Yeon Yang, Byung-Hyun Lim, Woo-Chul Jung