Patents by Inventor Cheol-Woo Park

Cheol-Woo 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).

  • Patent number: 10438810
    Abstract: Example embodiments relate to a method of forming a photoresist pattern and a method of fabricating a semiconductor device using the same. The method of fabricating a semiconductor device comprises forming a mask layer on a substrate, forming a photoresist pattern on the mask layer, the photoresist pattern having pattern portions at a first height and recess portions, applying a first liquid onto the photoresist pattern, filling the recess portions with a pattern filler at a second height, the pattern filler having an higher etch rate than the etch rate of the pattern portions to the same etchant, removing the first liquid, etching the pattern filler after removing the first liquid, etching the mask layer via the photoresist pattern to form a mask pattern, and etching the substrate via the mask pattern to form a fine pattern.
    Type: Grant
    Filed: August 22, 2016
    Date of Patent: October 8, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Cha-Won Koh, Cheol-Hong Park, Hyun-Woo Kim, Jin-Kyu Han
  • Patent number: 10432164
    Abstract: A matching circuit in a communication apparatus may comprise a first inductor disposed at a primary side of a transformer; a second inductor disposed at a secondary side of the transformer; and an impedance element connected to the first inductor and the second inductor. Also, a first terminal of the first inductor may be connected to an input terminal of the transformer, a second terminal of the first inductor may be connected to a common node connected to a ground, a first terminal of the second inductor may be connected to an output terminal of the transformer, a second terminal of the second inductor may be connected to the common node, a first terminal of the impedance element may be connected to the common node, and a second terminal of the impedance element may be connected to the ground.
    Type: Grant
    Filed: December 7, 2017
    Date of Patent: October 1, 2019
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Sun Woo Kong, Cheol Ho Kim, Bong Hyuk Park, Hui Dong Lee
  • Patent number: 10411175
    Abstract: There is provided a light emitting element package including: a light emitting laminate having a structure in which semiconductor layers are laminated and having a first main surface and a second main surface opposing the first main surface; a terminal unit disposed on an electrode disposed on the second main surface; a molded unit disposed on the second main surface of the light emitting laminate and allowing a portion of the terminal unit to be exposed; and a wavelength conversion unit disposed on the first main surface of the light emitting laminate.
    Type: Grant
    Filed: December 27, 2016
    Date of Patent: September 10, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Il Woo Park, Cheol Jun Yoo
  • Patent number: 10391889
    Abstract: A system for controlling a seat of a vehicle includes a relax mode to ensure ride quality to a passenger seated on a rear seat and sequentially drive respective electrically-powered portions of the rear seat to positions to secure the ride quality, a monitor mode to sequentially drive the respective electrically-powered portions of the rear seat so as to view a monitor apparatus primarily attached to a rear surface of a front seat, a reading mode to sequentially drive the respective electrically-powered portion of the rear seat so as to allow the passenger to perform reading by using a lighting lamp attached to a rear seat region, and a return mode to sequentially drive the respective electrically-powered portions of the front seat and the rear seat to positions just before moving the front seat and the rear seat to predetermined standard portions or the positions of the respective modes.
    Type: Grant
    Filed: November 2, 2016
    Date of Patent: August 27, 2019
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Mi-Sun Kwon, Sang-Do Park, Hoon-Bok Lee, Ji-Hee Han, Sang-Woo Park, Cheol-Joo Kim, Sang-June Lee
  • Patent number: 10354165
    Abstract: An apparatus for detecting an afterimage candidate region includes: a comparison unit which compares gradation data of an n-th frame with integrated gradation data of an (n?1)-th frame and generates integrated gradation data of the n-th frame, where n is a natural number; a memory which provides the integrated gradation data of the (n?1)-th frame to the comparison unit and stores the integrated gradation data of the n-th frame; and an afterimage candidate region detection unit which detects an afterimage candidate region based on the integrated gradation data of the n-th frame, where each of the integrated gradation data of the n-th frame and the integrated gradation data of the (n?1)-th frame comprises a comparison region and a gradation region.
    Type: Grant
    Filed: December 13, 2016
    Date of Patent: July 16, 2019
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Yong Jun Jang, Nam Gon Choi, Joon Chul Goh, Gi Geun Kim, Geun Jeong Park, Cheol Woo Park, Yun Ki Baek, Jeong Hun So, Dong Gyu Lee
  • Publication number: 20190189471
    Abstract: Disclosed are a standby port and a substrate processing apparatus having the same. The standby port exhausts fumes generated when a processing liquid is discharged into the standby port before the supply of the processing liquid onto a substrate, thereby preventing pollution of a chamber atmosphere.
    Type: Application
    Filed: December 19, 2018
    Publication date: June 20, 2019
    Inventors: BUYOUNG JUNG, JONGHAN KIM, YOUNG JIN JANG, JIN TACK YU, YOUNGJUN CHOI, DAEHUN KIM, BYUNGSUN BANG, JONGHYEON WOO, HEEHWAN KIM, CHEOL-YONG SHIN, GUI SU PARK
  • Publication number: 20190157217
    Abstract: A hybrid composite film, a method of fabricating the hybrid composite film, and an integrated circuit device including the hybrid composite film, the hybrid composite film including a polymer film; and a plurality of organic-inorganic composite particles dispersed in the polymer film, wherein each particle of the plurality of organic-inorganic composite particles includes an inorganic particle and an organic capping layer surrounding the inorganic particle, the organic capping layer having a hydroxyl group-terminated end.
    Type: Application
    Filed: November 21, 2018
    Publication date: May 23, 2019
    Applicant: Industry-Academic Cooperation Foundation, Yonsei University
    Inventors: Seung-won KIM, Jun-won HAN, Yeon-woo KIM, Hye-yun PARK, Cheol-sang YOON, Kangtaek LEE, Hyungjoon JEON, Young-Geon SONG
  • Patent number: 10275861
    Abstract: An image processing part includes an edge enhancing part, an artifact detecting part and a compensating part. The edge enhancing part emphasizes an edge portion of an object in input image data. The artifact detecting part detects a corner outlier artifact at an area adjacent to the edge portion of the object. The compensating part compensates the corner outlier artifact. Accordingly, the edge portion of the object may be enhanced and the corner outlier artifact is decreased so that the display quality may be improved.
    Type: Grant
    Filed: August 16, 2017
    Date of Patent: April 30, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Mun-San Park, Cheol-Woo Park, Yun-Ki Baek, Kyoung-Ju Shin, Tadashi Amino
  • Patent number: 10242433
    Abstract: An image processing part includes an edge enhancing part, an artifact detecting part and a compensating part. The edge enhancing part emphasizes an edge portion of an object in input image data. The artifact detecting part detects a corner outlier artifact at an area adjacent to the edge portion of the object. The compensating part compensates the corner outlier artifact. Accordingly, the edge portion of the object may be enhanced and the corner outlier artifact is decreased so that the display quality may be improved.
    Type: Grant
    Filed: August 16, 2017
    Date of Patent: March 26, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Mun-San Park, Cheol-Woo Park, Yun-Ki Baek, Kyoung-Ju Shin, Tadashi Amino
  • Patent number: 10242633
    Abstract: A display panel includes gate lines, data lines, and pixels. The gate lines extend in a first direction and include first and second gate lines adjacent to each other. The data lines extend in a second direction crossing the first direction and include first to third data lines. Each of the pixels is connected to one of the gate lines and one of the data lines. The first data line is connected to at least a first any one of a second plurality of pixels in a first pixel column of the pixels. The second data line is connected to at least a first any one of a first plurality of pixels in the first pixel column. The third data line is connected to at least a second any one of the first plurality of pixels and at least a second any one of the second plurality of pixels.
    Type: Grant
    Filed: July 20, 2015
    Date of Patent: March 26, 2019
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Se-Hyuk Park, Byung-Sun Kim, Cheol-Woo Park, Jae-Hyun Cho, Bon-Seog Gu, Hong-Soo Kim
  • Patent number: 10169473
    Abstract: A searching system and a searching method are provided and perform packaged searching for information regarding a plurality of objects displayed on a map. As a result, searching may be performed on searching target objects selected by a user, and keywords may be mapped to the selected search target objects to enable packaged searching.
    Type: Grant
    Filed: December 27, 2013
    Date of Patent: January 1, 2019
    Assignee: Hyundai Motor Company
    Inventors: Cheol-Woo Park, Hong-Hoi Kim
  • Patent number: 10089951
    Abstract: A display apparatus includes a display panel including a first pixel, and a panel driver to generate a first data voltage based on a first or second gamma, to output the first data voltage to the first pixel, to generate a second data voltage based on a third or fourth gamma, and to output the second data voltage to the first pixel, wherein the first and second gammas are based on a first reference gamma, and the third and fourth gammas are based on a second reference gamma different from the first reference gamma, wherein a luminance of an image based on the first or second gammas is higher than a luminance of an image based on the first reference gamma, and wherein a data voltage based on the first gamma has a positive polarity, and a data voltage based on the second gamma has a negative polarity.
    Type: Grant
    Filed: June 2, 2016
    Date of Patent: October 2, 2018
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hyang-A Park, Cheol-Woo Park, Seung-Hwan Park
  • Patent number: 10068531
    Abstract: A pixel circuit includes an organic light emitting diode including an anode and a cathode connected to a low power voltage, a first transistor including a gate electrode, a first electrode connected to a high power voltage, and a second electrode connected to the anode, a storage capacitor connected between the high power voltage and the gate electrode of the first transistor, a second transistor including a first electrode which receives a data signal corresponding to an emission sustaining voltage or an emission finishing voltage, a second electrode connected to the gate electrode of the first transistor, and a gate electrode which receives an erase scan signal, and a third transistor including a first electrode connected to an emission starting voltage, a second electrode connected to the gate electrode of the first transistor, and a gate electrode which receives a write scan signal.
    Type: Grant
    Filed: May 23, 2016
    Date of Patent: September 4, 2018
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Chang-Ho Hyun, Cheol-Woo Park
  • Patent number: 10047336
    Abstract: Provided is an eco-friendly heliostat odor removal system, including: a solar cell which collects sunlight to generate electricity; an effective microorganism activation and cultivation box which purifies inflow contaminated air using an effective microorganism cultivation solution accommodated in a housing; a sunlight tracker which rotates or moves the solar cell to track the sun in accordance with an altitude of the sun; a controller which controls the effective microorganism activation and cultivation box and the sunlight tracker; and a battery storing unit which stores the electricity generated in the solar cell. Therefore, the power is supplied in an eco-friendly manner using solar heat energy and contaminated air is efficiently removed from industrial sites or a region where other odor is continuously generated by the effective microorganism cultivation solution.
    Type: Grant
    Filed: December 17, 2015
    Date of Patent: August 14, 2018
    Assignee: KYUNGPOOK NATIONAL UNIVERSITY INDUSTRY-ACADEMIC COOPERATION FOUNDATION
    Inventor: Cheol Woo Park
  • Publication number: 20180107069
    Abstract: A display device includes a first substrate including a plurality of pixel areas and a peripheral area disposed adjacent to the plurality of pixel areas. A second substrate faces the first substrate. A liquid crystal layer is disposed between the first substrate and the second substrate. A backlight unit provides light to the liquid crystal layer. A color conversion layer is disposed between the liquid crystal layer and the second substrate and includes a plurality of sub-color conversion units converting and emitting the light provided by the backlight unit into light of different predetermined colors. An optical sensor is disposed within the peripheral area. The optical sensor detects the light emitted from the plurality of sub-color conversion units and generates an optical signal corresponding thereto.
    Type: Application
    Filed: September 29, 2017
    Publication date: April 19, 2018
    Inventors: DONG GYU LEE, Jae Woong Kang, Seung Hwan Park, Cheol Woo Park, Yong Jun Jang, Young Soo Hwang
  • Patent number: 9947284
    Abstract: A display apparatus includes a display panel including a first data line, a timing controller which generates an external voltage selection signal, a channel control signal and a data signal, an external voltage generator which selects one of first voltage levels based on the external voltage selection signal to generate a first external voltage, and a data driver including a channel voltage generator which generates a first channel voltage, a first channel line connected to the first data line, a first switch connected between a first node receiving the first channel voltage and a second node connected to the first channel line, and a second switch connected between a third node receiving the first external voltage and a fourth node connected to the first channel line, where the data driver controls operations of the first and second switches based on the channel control signal.
    Type: Grant
    Filed: April 6, 2016
    Date of Patent: April 17, 2018
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Cheol-Woo Park, Seung-Hwan Park, Geun-Jeong Park
  • Publication number: 20180061341
    Abstract: A display device including a first substrate, a color conversion layer on the first substrate and containing a wavelength conversion material, a first conductive polarizer on the color conversion layer, and a timing controller electrically connected to the first conductive polarizer. The timing controller may measure a resistance of the first conductive polarizer to generate a compensation signal based on the measured resistance.
    Type: Application
    Filed: August 3, 2017
    Publication date: March 1, 2018
    Inventors: Jae Woong KANG, Seung Hwan PARK, Cheol Woo PARK, Dong Gyu LEE, Yong Jun JANG, Young Soo HWANG
  • Publication number: 20180012340
    Abstract: An image processing part includes an edge enhancing part, an artifact detecting part and a compensating part. The edge enhancing part emphasizes an edge portion of an object in input image data. The artifact detecting part detects a corner outlier artifact at an area adjacent to the edge portion of the object. The compensating part compensates the corner outlier artifact. Accordingly, the edge portion of the object may be enhanced and the corner outlier artifact is decreased so that the display quality may be improved.
    Type: Application
    Filed: August 16, 2017
    Publication date: January 11, 2018
    Inventors: Mun-San PARK, Cheol-Woo PARK, Yun-Ki BAEK, Kyoung-Ju SHIN, Tadashi AMINO
  • Patent number: D850497
    Type: Grant
    Filed: January 12, 2018
    Date of Patent: June 4, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ki-Soo Kim, Seok-Woo Kim, Young-Min Park, Cheol-Woong Seo, Ki-Sang Yoon, Se-Lim Yoon, Sang-Hyun Lee, Sun-Min Lee, Seon-Ju Lee, Jun-Kyo Lee
  • Patent number: D850498
    Type: Grant
    Filed: January 12, 2018
    Date of Patent: June 4, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ki-Soo Kim, Seok-Woo Kim, Young-Min Park, Cheol-Woong Seo, Ki-Sang Yoon, Se-Lim Yoon, Sang-Hyun Lee, Sun-Min Lee, Seon-Ju Lee, Jun-Kyo Lee