Patents by Inventor Hong Kee Chin

Hong Kee Chin 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: 7638375
    Abstract: A method of manufacturing a TFT substrate includes: sequentially forming a transparent conductive layer and an opaque conductive layer on a substrate, patterning the transparent conductive layer and the opaque conductive layer by using a first mask to form a gate pattern including a pixel electrode, and forming a gate insulating layer and a semiconductor layer above the substrate. A contact hole is formed which exposes a portion of the pixel electrode and a semiconductor pattern using a second mask. A conductive layer is formed above the substrate and patterned to form a source/drain pattern including a drain electrode which overlaps a portion of the pixel electrode. Portions of the gate insulating layer and the opaque conductive layer above the pixel electrode are removed except a portion overlapping the drain electrode, by using a third mask.
    Type: Grant
    Filed: January 16, 2008
    Date of Patent: December 29, 2009
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hong-Kee Chin, Yu-Gwang Jeong, Sang-Gab Kim, Joo-Han Kim, Joo-Ae Youn, Min-Seok Oh, Jong-Hyun Choung, Seung-Ha Choi
  • Publication number: 20090278126
    Abstract: A metal line substrate and a method of fabricating thereof, the metal line substrate including an insulating layer and a capping layer disposed on an insulating substrate, a trench defined by the insulating layer and the capping layer disposed on the insulating substrate, a seed layer pattern disposed on the insulating substrate, and a low-resistive conductive layer pattern disposed in the trench and contacting the seed layer pattern. The capping layer pattern includes a protrusion region which is in contact with the low-resistive conductive layer pattern.
    Type: Application
    Filed: April 29, 2009
    Publication date: November 12, 2009
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Dong-Ju YANG, Sang-Gab KIM, Ki-Yeup LEE, Yun-Jong YEO, Shin-Il CHOI, Hong-Kee CHIN, Yu-Gwang JEONG, Seung-Ha CHOI
  • Publication number: 20090272980
    Abstract: A semiconductor including a channel, a data line including a source electrode, a drain electrode, and a pixel area definition member is formed on a gate insulating layer, and a passivation layer is deposited on the data line, the pixel area definition member, and the channel of the semiconductor. A first photosensitive film pattern including a first portion disposed at a position corresponding to the drain electrode and a second portion that is thicker than the first portion, and exposing the passivation layer at a position corresponding to the pixel area definition member, is formed on the passivation layer, the passivation layer that is exposed by using the first photosensitive film pattern as an etch mask is etched, and a second photosensitive film pattern is formed by etching the whole surface of the first photosensitive film pattern to remove the first portion.
    Type: Application
    Filed: November 17, 2008
    Publication date: November 5, 2009
    Inventors: Seung-Hwan SHIM, Ki-Hun JEONG, Joo-Han KIM, Sung-Hoon YANG, Hong-kee CHIN
  • Patent number: 7588972
    Abstract: A thin film transistor includes a gate electrode on a substrate, a gate insulating layer on the substrate, a channel pattern, a source electrode and a drain electrode. The channel pattern includes a semiconductor pattern formed on the gate electrode and overlaying the gate electrode as well as first and second conductive adhesive patterns formed on the semiconductor pattern and spaced apart from each other. The source electrode includes a first barrier pattern, a source pattern and a first capping pattern sequentially formed on the first conductive adhesive pattern. The drain electrode includes a second barrier pattern, a drain pattern and a second capping pattern sequentially formed on the second conductive adhesive pattern. Etched portions of the first and second conductive adhesive patterns have a substantially vertical profile to prevent the exposure of the source and drain electrodes, thereby improving the characteristics of the thin film transistor.
    Type: Grant
    Filed: June 26, 2008
    Date of Patent: September 15, 2009
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sang-Gab Kim, Shi-Yul Kim, Hong-Sick Park, Hee-Hwan Choe, Hong-Kee Chin, Min-Seok Oh
  • Publication number: 20090224257
    Abstract: A thin film transistor array panel includes a gate line formed on a substrate and including a gate electrode, a semiconductor layer formed on a surface of the substrate having the gate line, a data line formed on the semiconductor layer, insulatedly intersecting the gate line, and including a source electrode disposed on the gate electrode, a drain electrode separated from the source electrode by a channel, disposed on the gate electrode, and formed from the same layer as the data line, a passivation layer formed on the data line and the drain electrode and having a first contact hole exposing the drain electrode, and a pixel electrode formed on the passivation layer and contacting the drain electrode through the first contact hole.
    Type: Application
    Filed: February 20, 2009
    Publication date: September 10, 2009
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Hong-Kee CHIN, Shin-Il CHOI, Sang-Gab KIM, Min-Seok OH, Yu-Gwang JEONG, Seung-Ha CHOI, Dong-Ju YANG
  • Publication number: 20090206343
    Abstract: In a display apparatus and a method of manufacturing the display apparatus, a first insulating layer having a trench and a second insulating layer having a via hole corresponding to the trench are formed on an array substrate. After forming a seed layer in the trench, a conductive layer is formed on the seed layer through a plating process, thereby forming the gate line, the gate electrode and the storage line accommodated in the trench and the via hole.
    Type: Application
    Filed: February 17, 2009
    Publication date: August 20, 2009
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Seung-Ha CHOI, Min-Seok OH, Sang-Gab KIM, Hong-Kee CHIN, Yu-Gwang JEONG
  • Publication number: 20090191655
    Abstract: A method of etching an amorphous silicon layer includes providing a substrate with an amorphous silicon layer formed thereon into an atmospheric pressure plasma etching device, providing a plasma generation gas and etching gas to a plasma generator of the atmospheric pressure plasma etching device and generating an atmospheric pressure plasma gas between two electrodes provided in the plasma generator in which the two electrodes face each other. The method further includes repeatedly passing the substrate through the plasma generator at a predetermined speed, thereby etching the amorphous silicon layer on the substrate by using the atmospheric pressure plasma gas generated from the plasma generator.
    Type: Application
    Filed: August 28, 2008
    Publication date: July 30, 2009
    Inventors: Shin-Il Choi, Sang-Gab Kim, Seung-Ha Choi, Gon-Ho Kim, Min-Seik Oh, Hong-Kee Chin, Yu-Gwang Jeong
  • Publication number: 20090184324
    Abstract: The present invention relates to a thin film transistor array panel and a manufacturing method thereof. The thin film transistor array panel according to the present invention includes a substrate, a light blocking member formed on the substrate, a gate line disposed on the light blocking member. The gate line and the light blocking member define a closed region A color filter is formed in the closed region and contacts the side surface of the gate line. A gate insulating layer is formed on the gate line and the color filter, a data line and a drain electrode are formed on the gate insulating layer, and a pixel electrode is connected to the drain electrode.
    Type: Application
    Filed: October 1, 2008
    Publication date: July 23, 2009
    Inventors: Min-Seok OH, Seung-Ha Choi, Yoon-Ho Kang, Hong-Kee Chin, Yu-Gwang Jeong
  • Publication number: 20090173446
    Abstract: The present invention relates to a substrate support that facilitates aligning a substrate and prevents the substrate from being damaged by arc discharge in processing a substrate using plasma, a substrate processing apparatus including the substrate support, and a method of aligning the substrate. A substrate support, which includes a main body on which a substrate is placed and a subsidiary body disposed around the side of the main body and having a slope declining from a position above the main body to the upper side of the main body, is provided, such that it is easy to align the substrate and it is possible to damage due to arc discharge in processing the substrate using plasma.
    Type: Application
    Filed: December 31, 2008
    Publication date: July 9, 2009
    Inventors: Dong-Ju Yang, Min-Seok Oh, Ki-Yeup Lee, Sang-Gab Kim, Shin-Il Choi, Hong-Kee Chin, Yu-Gwang Jeong, Seung-Ha Choi, Jae-Ho Jang
  • 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: 20090152635
    Abstract: Embodiments of the present invention relate to a thin film transistor and a manufacturing method of a display panel, and include forming a gate line including a gate electrode on a substrate, forming a gate insulating layer on the gate electrode, forming an intrinsic semiconductor on the gate insulating layer, forming an extrinsic semiconductor on the intrinsic semiconductor, forming a data line including a source electrode and a drain electrode on the extrinsic semiconductor, and plasma-treating a portion of the extrinsic semiconductor between the source electrode and the drain electrode to form a protection member and ohmic contacts on respective sides of the protection member. Accordingly, the process for etching the extrinsic semiconductor and forming an inorganic insulating layer for protecting the intrinsic semiconductor may be omitted such that the manufacturing process of the display panel may be simplified, manufacturing cost may be reduced, and productivity may be improved.
    Type: Application
    Filed: December 9, 2008
    Publication date: June 18, 2009
    Inventors: Yu-Gwang JEONG, Young-Wook Lee, Sang-Gab Kim, Woo-Geun Lee, Min-Seok Oh, Jang-Soo Kim, Kap-Soo Yoon, Shin-Il Choi, Hong-Kee Chin, Seung-Ha Choi, Seung-Hwan Shim, Sung-Hoon Yang, Ki-Hun Jeong
  • Publication number: 20090115066
    Abstract: A metal wiring layer and a method of fabricating the metal wiring layer are provided. The method includes forming a dielectric layer on a substrate, forming a plurality of dielectric layer patterns and holes therein on the substrate by etching part of the dielectric layer, with a cross sectional area of the holes in the dielectric layer patterns decreasing with increasing distance away from the substrate and the holes exposing the substrate, forming a trench by etching a portion of the substrate exposed through the holes in the dielectric layer patterns, and forming a metal layer which fills the trench and the holes in the dielectric layer patterns. Thus, it is possible to prevent the occurrence of an edge build-up phenomenon by forming a metal layer in a plurality of holes in the dielectric layer patterns having a cross sectional area decreasing with increasing distance away from the substrate.
    Type: Application
    Filed: October 31, 2008
    Publication date: May 7, 2009
    Inventors: Dong-Ju Yang, Shin-Il Choi, Sang-Gab Kim, Min-Seok Oh, Hong-Kee Chin, Ki-Yeup Lee, Yu-Gwang Jeong, Seung-Ha Choi
  • Publication number: 20090108265
    Abstract: A method of fabricating a thin film transistor includes forming a gate electrode on a substrate, forming a semiconductor layer on the gate electrode, forming a source electrode on the semiconductor layer, forming a drain electrode on the semiconductor layer spaced apart from the source electrode, forming a copper layer pattern on the source electrode and the drain electrode, exposing the copper layer pattern on the source electrode and the drain electrode to a fluorine-containing process gas to form a copper fluoride layer pattern thereon, and patterning the semiconductor layer.
    Type: Application
    Filed: October 1, 2008
    Publication date: April 30, 2009
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Shin-IL CHOI, Sang-Gab KIM, Hong-Kee CHIN, Min-Seok OH, Yu-Gwang JEONG, Seung-Ha CHOI
  • Publication number: 20090039350
    Abstract: In a display panel and a method of manufacturing the display panel, a gate line, a data line, and source and drain electrodes including a same material as the data line are formed on a substrate constituting the display panel, and the data line includes an aluminum based alloy containing sufficient nickel to inhibit corrosion during dry etching. The corrosion resistance of the AlNi-containing alloy helps prevent corrosion of the data line, the source electrode, and the drain electrode during selective dry etching that shapes these lines and electrodes.
    Type: Application
    Filed: June 20, 2008
    Publication date: February 12, 2009
    Inventors: Min-Seok Oh, Yang-Ho Bae, Pil-Sang Yun, Byeong-Beom Kim, Seung-Ha Choi, Sang-Gab Kim, Chang-Ho Jeong, Shin-Il Choi, Hong-Kee Chin, Yu-Gwang Jeong, Dong-Ju Yang
  • Publication number: 20090017574
    Abstract: A thin film transistor includes a gate electrode on a substrate, a gate insulating layer on the substrate, a channel pattern, a source electrode and a drain electrode. The channel pattern includes a semiconductor pattern formed on the gate electrode and overlaying the gate electrode as well as first and second conductive adhesive patterns formed on the semiconductor pattern and spaced apart from each other. The source electrode includes a first barrier pattern, a source pattern and a first capping pattern sequentially formed on the first conductive adhesive pattern. The drain electrode includes a second barrier pattern, a drain pattern and a second capping pattern sequentially formed on the second conductive adhesive pattern. Etched portions of the first and second conductive adhesive patterns have a substantially vertical profile to prevent the exposure of the source and drain electrodes, thereby improving the characteristics of the thin film transistor.
    Type: Application
    Filed: June 26, 2008
    Publication date: January 15, 2009
    Inventors: Sang-Gab Kim, Shi-Yul Kim, Hong-Sick Park, Hee-Hwan Choe, Hong-Kee Chin, Min-Seok Oh
  • Publication number: 20080280379
    Abstract: Provided is a method of manufacturing a thin film transistor substrate and a manufacturing system using the same, wherein the production of corrosive substances is reduced during the process of manufacturing the thin film transistor substrate. The method includes providing an etching unit with an insulation substrate on which a thin metal film has been deposited, and dry-etching the insulation substrate so as to form a predetermined circuit pattern; providing a waiting unit with the insulation substrate waiting to be cleaned; performing a preliminary cleaning operation by a cleaning unit having a plurality of nozzles while the insulation substrate waits and checking the preliminary cleaning operation; and performing a main cleaning operation with regard to the insulation substrate based on the result of the check.
    Type: Application
    Filed: October 31, 2007
    Publication date: November 13, 2008
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Min-Seok OH, Sang-Gab KIM, Hong-Kee CHIN, Yu-Gwang JEONG, Seung-Ha CHOI, Ki-Hyun KIM, In-Ho SONG
  • Publication number: 20080268581
    Abstract: A method of manufacturing a TFT substrate includes: sequentially forming a transparent conductive layer and an opaque conductive layer on a substrate, patterning the transparent conductive layer and the opaque conductive layer by using a first mask to form a gate pattern including a pixel electrode, and forming a gate insulating layer and a semiconductor layer above the substrate. A contact hole is formed which exposes a portion of the pixel electrode and a semiconductor pattern using a second mask. A conductive layer is formed above the substrate and patterned to form a source/drain pattern including a drain electrode which overlaps a portion of the pixel electrode. Portions of the gate insulating layer and the opaque conductive layer above the pixel electrode are removed except a portion overlapping the drain electrode, by using a third mask.
    Type: Application
    Filed: January 16, 2008
    Publication date: October 30, 2008
    Inventors: Hong-Kee Chin, Yu-Gwang Jeong, Sang-Gab Kim, Joo-Han Kim, Joo-Ae Youn, Min-Seok Oh, Jong-Hyun Choung, Seung-Ha Choi
  • Publication number: 20080203393
    Abstract: The present invention provides a manufacturing method of a thin film transistor array panel, which includes forming a gate line on a substrate; forming a gate insulating layer, a semiconductor layer, and an ohmic contact on the gate line; forming a first conducting film including Mo, a second conducting film including Al, and a third conducting film including Mo on the ohmic contact; forming a first photoresist pattern on the third conducting film; etching the first, second, and third conducting films, the ohmic contact, and the semiconductor layer using the first photoresist pattern as a mask; removing the first photoresist pattern by a predetermined thickness to form a second photoresist pattern; etching the first, second, and third conducting films using the second photoresist pattern as a mask to expose a portion of the ohmic contact; and etching the exposed ohmic contact using a Cl-containing gas and a F-containing gas.
    Type: Application
    Filed: April 8, 2008
    Publication date: August 28, 2008
    Inventors: Sang-Gab KIM, Woo-Geun Lee, Shi-Yul Kim, Jin-Ho Ju, Jang-Soo Kim, Sang-Woo Whangbo, Min-Seok Oh, Hye-Young Ryu, Hong-Kee Chin
  • Patent number: 7405425
    Abstract: A thin film transistor includes a gate electrode on a substrate, a gate insulating layer on the substrate, a channel pattern, a source electrode and a drain electrode. The channel pattern includes a semiconductor pattern formed on the gate electrode and overlaying the gate electrode as well as first and second conductive adhesive patterns formed on the semiconductor pattern and spaced apart from each other. The source electrode includes a first barrier pattern, a source pattern and a first capping pattern sequentially formed on the first conductive adhesive pattern. The drain electrode includes a second barrier pattern, a drain pattern and a second capping pattern sequentially formed on the second conductive adhesive pattern. Etched portions of the first and second conductive adhesive patterns have a substantially vertical profile to prevent the exposure of the source and drain electrodes, thereby improving the characteristics of the thin film transistor.
    Type: Grant
    Filed: September 20, 2005
    Date of Patent: July 29, 2008
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sang-Gab Kim, Shi-Yul Kim, Hong-Sick Park, Hee-Hwan Choe, Hong-Kee Chin, Min-Seok Oh
  • Patent number: 7371621
    Abstract: The present invention provides a manufacturing method of a thin film transistor array panel, which includes forming a gate line on a substrate; forming a gate insulating layer, a semiconductor layer, and an ohmic contact on the gate line; forming a first conducting film including Mo, a second conducting film including Al, and a third conducting film including Mo on the ohmic contact; forming a first photoresist pattern on the third conducting film; etching the first, second, and third conducting films, the ohmic contact, and the semiconductor layer using the first photoresist pattern as a mask; removing the first photoresist pattern by a predetermined thickness to form a second photoresist pattern; etching the first, second, and third conducting films using the second photoresist pattern as a mask to expose a portion of the ohmic contact; and etching the exposed ohmic contact using a Cl-containing gas and a F-containing gas.
    Type: Grant
    Filed: July 12, 2006
    Date of Patent: May 13, 2008
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sang-Gab Kim, Woo-Geun Lee, Shi-Yul Kim, Jin-Ho Ju, Jang-Soo Kim, Sang-Woo Whangbo, Min-Seok Oh, Hye-Young Ryu, Hong-Kee Chin