Patents by Inventor Shin-II Choi

Shin-II 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).

  • Publication number: 20190123065
    Abstract: A transistor array panel is manufactured by a method that reduces or obviates the need for highly selective etching agents or complex processes requiring multiple photomasks to create contact holes. The panel includes: a substrate; a buffer layer positioned on the substrate; a semiconductor layer positioned on the buffer layer; an intermediate insulating layer positioned on the semiconductor layer; and an upper conductive layer positioned on the intermediate insulating layer, wherein the semiconductor layer includes a first contact hole, the intermediate insulating layer includes a second contact hole positioned in an overlapping relationship with the first contact hole, and the upper conductive layer is in contact with a side surface of the semiconductor layer in the first contact hole.
    Type: Application
    Filed: December 10, 2018
    Publication date: April 25, 2019
    Inventors: Yu-Gwang JEONG, Hyun Min CHO, Su Bin BAE, Shin II CHOI, Sang Gab KIM
  • Publication number: 20170317104
    Abstract: A transistor array panel is manufactured by a method that reduces or obviates the need for highly selective etching agents or complex processes requiring multiple photomasks to create contact holes. The panel includes: a substrate; a buffer layer positioned on the substrate; a semiconductor layer positioned on the buffer layer; an intermediate insulating layer positioned on the semiconductor layer; and an upper conductive layer positioned on the intermediate insulating layer, wherein the semiconductor layer includes a first contact hole, the intermediate insulating layer includes a second contact hole positioned in an overlapping relationship with the first contact hole, and the upper conductive layer is in contact with a side surface of the semiconductor layer in the first contact hole.
    Type: Application
    Filed: December 15, 2016
    Publication date: November 2, 2017
    Inventors: Yu-Gwang JEONG, Hyun Min CHO, Su Bin BAE, Shin II CHOI, Sang Gab KIM
  • Patent number: 8921852
    Abstract: A thin film transistor array panel includes: a substrate, a gate line positioned on the substrate and including a gate electrode, a semiconductor layer positioned on the substrate and including an oxide semiconductor, a data wire layer positioned on the substrate and including a data line crossing the gate line, a source electrode connected to the data line, and a drain electrode facing the source electrode, and a capping layer covering the data wire layer, in which an end of the capping layer is inwardly recessed as compared to an end of the data wire layer.
    Type: Grant
    Filed: June 11, 2013
    Date of Patent: December 30, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Shin II Choi, Sang Gab Kim, Hyang-Shik Kong, Su Bin Bae, Yu-Gwang Jeong
  • Publication number: 20140204323
    Abstract: A liquid crystal display includes a first substrate including a plurality of pixels, a second substrate facing the first substrate, and a liquid crystal layer interposed between the first substrate and the second substrate. At least one of the pixels includes a thin film transistor disposed on a first insulating substrate, an insulating layer overlapping the thin film transistor, and a pixel electrode disposed on the insulating layer. A contact hole is formed through the insulating layer to expose a first electrode of the thin film transistor, the pixel electrode is electrically connected to the first electrode through the contact hole, and the pixel electrode has a single-layer in an area where the contact hole is formed and a double-layer on the insulating layer.
    Type: Application
    Filed: July 12, 2013
    Publication date: July 24, 2014
    Applicant: SAMSUNG DISPLAY CO., LTD.
    Inventors: Dongjo Kim, Yoonho Khang, Sehwan Yu, Jungkyu Lee, Jong chan Lee, Jiseon Lee, Sanggab Kim, Shin II Choi
  • Publication number: 20120273787
    Abstract: In a thin film transistor array panel according to an exemplary embodiment of the present invention, a plasma process using a mixed gas including hydrogen gas and nitrogen gas with a ratio of a predetermined value is undertaken before depositing a passivation layer. In this manner, performance deterioration of the thin film transistor may be prevented and simultaneously, haze in a transparent electrode may be prevented. Alternatively, a first passivation layer is depsoited, then removed. A passivation layer is again re-deposited, such that little or no haze is present in the resulting passivation layer.
    Type: Application
    Filed: September 23, 2011
    Publication date: November 1, 2012
    Inventors: Hwa Yeul OH, O Sung Seo, Je Hyeong Park, Shin II Choi, Dong-Won Woo, Ji-Young Park, Jean Ho Song, Sang Gab Kim
  • Publication number: 20100148769
    Abstract: A non-contact plasma-monitoring apparatus and a non-contact plasma-monitoring method are provided. The non-contact plasma-monitoring apparatus is installed in a plasma processing apparatus including a processing chamber and a power supply unit and measures at least one of an electric field and a magnetic field, which are created around power supply wiring connecting the process chamber to the power supply unit, without physically contacting the power supply wiring.
    Type: Application
    Filed: September 30, 2009
    Publication date: June 17, 2010
    Inventors: SHIN-II CHOI, HONG-KEE CHIN, SANG-GAB KIM, KI-YEUP LEE, DONG-JU YANG, YU-GWANG JEONG, SEUNG-HA CHOI, YUN-JONG YEO, JI-YOUNG PARK, HYUNG-JUN KIM, SANG-SUN LEE
  • Publication number: 20100032760
    Abstract: The present invention provides a thin-film transistor (TFT) substrate, which can be fabricated simply and at reduced cost, and a method of fabricating the TFT substrate. The TFT substrate includes: an insulating substrate; gate wiring that extends on the insulating substrate in a first direction; data wiring that extends on the gate wiring in a second direction, and includes a lower layer and an upper layer; and a semiconductor pattern that is disposed under the data wiring and has substantially the same shape as the data wiring except for a channel region, wherein root-mean-square roughness of a top surface of the data wiring is 3 nm or less.
    Type: Application
    Filed: July 24, 2009
    Publication date: February 11, 2010
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Seung-Ha CHOI, Sang-Gab Kim, Shin-II Choi, Ki-Yeup Lee, Dong-Ju Yang, Hong-Kee Chin, Yu-Gwang Jeong
  • Publication number: 20090174834
    Abstract: One or more embodiments provide a liquid crystal display (LCD) including a thin-film transistor (TFT) with improved performance and a method of fabricating the LCD. In one embodiment, the LCD includes a gate electrode which is formed on an insulating substrate; an active layer which is formed on the gate electrode; an organic layer which is formed on the active layer and includes a first hole that exposes a source region and a second hole that exposes a drain region; a source electrode which fills the first hole; and a drain electrode which fills the second hole.
    Type: Application
    Filed: August 8, 2008
    Publication date: July 9, 2009
    Inventors: Seung-Ha CHOI, Min-Seok Oh, Yu-Gwang Jeong, Hong-Kee Chin, Shin-II Choi, Sang-Gab Kim, Kap-Soo Yoon, Doo-Hee Jung
  • Publication number: 20080087633
    Abstract: A method for forming a metal line includes sequentially depositing a low-resistivity metal layer having aluminum on a base substrate and an upper layer having molybdenum on the low-resistivity metal layer, forming a photoresist pattern having a linear shape on the upper layer, etching the upper layer via a mixed gas using the photoresist pattern as a mask, the mixed gas including a chlorine based gas mixed with an additional gas having at least one of nitrogen gas, argon gas, helium gas and sulfur hexafluoride gas, and etching the low-resistivity metal layer using the photoresist pattern as the mask thereby removing any stringer that may be caused by a residue of the low-resistivity metal layer.
    Type: Application
    Filed: October 11, 2007
    Publication date: April 17, 2008
    Inventors: Min-Seok OH, Sang-Gab Kim, Yu-Gwang Jeong, Seung-Ha Choi, Hong-Kee Chin, Shin-II Choi