Patents by Inventor Dong-ju Yang

Dong-ju Yang 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: 20110193076
    Abstract: A thin film transistor panel includes an insulating substrate, a gate insulating layer disposed on the insulating substrate, an oxide semiconductor layer disposed on the gate insulating layer, an etch stopper disposed on the oxide semiconductor layer, and a source electrode and a drain electrode disposed on the etch stopper.
    Type: Application
    Filed: December 1, 2010
    Publication date: August 11, 2011
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Pil-Sang YUN, Ki-Won KIM, Hye-Young RYU, Woo-Geun LEE, Seung-Ha CHOI, Jae-Hyoung YOUN, Kyoung-Jae CHUNG, Young-Wook LEE, Je-Hun LEE, Kap-Soo YOON, Do-Hyun KIM, Dong-Ju YANG, Young-Joo CHOI
  • Patent number: 7960730
    Abstract: Provided is a method of fabricating a semiconductive oxide thin-film transistor (TFT) substrate. The method includes forming gate wiring on an insulation substrate; and forming a structure in which a semiconductive oxide film pattern and data wiring are stacked on the gate wiring, wherein the semiconductive oxide film pattern is selectively patterned to have channel regions of first thickness and source/drain regions of greater second thickness and where image data is coupled to the source regions by data wiring formed on the source regions. According to a 4-mask embodiment, the data wiring and semiconductive oxide film pattern are defined by a shared etch mask.
    Type: Grant
    Filed: May 5, 2010
    Date of Patent: June 14, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Je-hun Lee, Dong-ju Yang, Tae-hyung Ihn, Do-hyun Kim, Sun-young Hong, Seung-jae Jung, Chang-oh Jeong, Eun-guk Lee
  • Publication number: 20110133193
    Abstract: A thin film transistor array panel includes a gate line, a gate insulating layer that covers the gate line, a semiconductor layer that is disposed on the gate insulating layer, a data line and drain electrode that are disposed on the semiconductor layer, a passivation layer that covers the data line and drain electrode and has a contact hole that exposes a portion of the drain electrode, and a pixel electrode that is electrically connected to the drain electrode through the contact hole. The data line and drain electrode each have a double layer that includes a lower layer of titanium and an upper layer of copper, and the lower layer is wider than the upper layer, and the lower layer has a region that is exposed. The gate insulating layer may have a step shape.
    Type: Application
    Filed: July 27, 2010
    Publication date: June 9, 2011
    Inventors: Jean-Ho SONG, Shin-Il Choi, Sun-Young Hong, Shi-Yul Kim, Ki-Yeup Lee, Jae-Hyoung Youn, Sung-Ryul Kim, O-Sung Seo, Yang-Ho Bae, Jong-Hyun Choung, Dong-Ju Yang, Bong-Kyun Kim, Hwa-Yeul Oh, Pil-Soon Hong, Byeong-Beom Kim, Je-Hyeong Park, Yu-Gwang Jeong, Jong-In Kim, Nam-Seok Suh
  • Publication number: 20110097961
    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: December 29, 2010
    Publication date: April 28, 2011
    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: 20110089421
    Abstract: A thin film transistor array panel includes: a substrate; a signal line disposed on the substrate and including copper (Cu); a passivation layer disposed on the signal line and having a contact hole exposing a portion of the signal line; and a conductive layer disposed on the passivation layer and connected to the portion of the signal line through the contact hole, wherein the passivation layer includes an organic passivation layer including an organic insulator that does not include sulfur, and a method of manufacturing the thin film transistor prevents formation of foreign particles on the signal line.
    Type: Application
    Filed: May 20, 2010
    Publication date: April 21, 2011
    Inventors: Shin-Il CHOI, Yu-Gwang Jeong, Ki-Yeup Lee, Dong-Ju Yang, Jean-Ho Song
  • Publication number: 20100283050
    Abstract: Provided is a method of fabricating a semiconductive oxide thin-film transistor (TFT) substrate. The method includes forming gate wiring on an insulation substrate; and forming a structure in which a semiconductive oxide film pattern and data wiring are stacked on the gate wiring, wherein the semiconductive oxide film pattern is selectively patterned to have channel regions of first thickness and source/drain regions of greater second thickness and where image data is coupled to the source regions by data wiring formed on the source regions. According to a 4-mask embodiment, the data wiring and semiconductive oxide film pattern are defined by a shared etch mask.
    Type: Application
    Filed: May 5, 2010
    Publication date: November 11, 2010
    Inventors: Je-hun Lee, Dong-ju Yang, Tae-hyung Ihn, Do-hyun Kim, Sun-young Hong, Seung-jae Jung, Chang-oh Jeong, Eun-guk Lee
  • Publication number: 20100270554
    Abstract: A method of reforming a metal pattern for improving the productivity and reliability of a manufacturing process, an array substrate and a method of manufacturing the array substrate are disclosed. In the method, a first wiring pattern is formed on an insulation substrate. The first wiring pattern is removed. A second wiring pattern is formed on an embossed pattern by using the embossed pattern as an alignment mask. The embossed pattern is defined by a recess formed on a surface of the insulation substrate. Accordingly, the insulation substrate having the recess formed thereon may not be discarded, and may be reused in forming the first wiring pattern. In addition, the embossed pattern defined by the recess is used as an alignment mask, so that the alignment reliability of a metal pattern may be improved.
    Type: Application
    Filed: November 24, 2009
    Publication date: October 28, 2010
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sun-Young HONG, Hong-Sick Park, Shi-Yul Kim, Bong-Kyun Kim, Young-Joo Choi, Byeong-Jin Lee, Jong-Hyun Choung, Dong-Ju Yang, Hyun-Young Jung
  • Publication number: 20100230679
    Abstract: A contact portion of wiring and a method of manufacturing the same are disclosed. A contact portion of wiring according to an embodiment includes: a substrate; a conductive layer disposed on the substrate; an interlayer insulating layer disposed on the conductive layer and having a contact hole; a metal layer disposed on the conductive layer and filling the contact hole; and a transparent electrode disposed on the interlayer insulating layer and connected to the metal layer, wherein the interlayer insulating layer includes a lower insulating layer and an upper insulating layer disposed on the lower insulating layer, the lower insulating layer is undercut at the contact hole, and the metal layer fills in the portion where the lower insulating layer is undercut.
    Type: Application
    Filed: August 19, 2009
    Publication date: September 16, 2010
    Inventors: Joo-Han Kim, Ki-Yong Song, Dong-Ju Yang, Hee-Joon Kim, Yeo-Geon Yoon, Sung-Hen Cho, Chang-Hoon Kim, Jae-Hong Kim, Yu-Gwang Jeong, Ki-Yeup Lee, Snag-Gab Kim, Yun-Jong Yeo, Shin-Il Choi, Ji-Young Park
  • Patent number: 7772021
    Abstract: Provided is a method of fabricating a semiconductive oxide thin-film transistor (TFT) substrate. The method includes forming gate wiring on an insulation substrate; and forming a structure in which a semiconductive oxide film pattern and data wiring are stacked on the gate wiring, wherein the semiconductive oxide film pattern is selectively patterned to have channel regions of first thickness and source/drain regions of greater second thickness and where image data is coupled to the source regions by data wiring formed on the source regions. According to a 4-mask embodiment, the data wiring and semiconductive oxide film pattern are defined by a shared etch mask.
    Type: Grant
    Filed: November 29, 2007
    Date of Patent: August 10, 2010
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Je-hun Lee, Dong-ju Yang, Tae-hyung Ihn, Do-hyun Kim, Sun-young Hong, Seung-jae Jung, Chang-oh Jeong, Eun-guk Lee
  • Publication number: 20100163862
    Abstract: A method of fabricating a thin film transistor array substrate is presented. The method entails forming a gate interconnection line on an insulating substrate, forming a gate insulating layer on the gate interconnection line, forming a semiconductor layer and a data interconnection line on the semiconductor layer, sequentially forming multiple passivation layers, etching the passivation layers down to a drain electrode that is an extension of the data interconnection line. The portion of the drain electrode that is exposed at this stage is a part of the drain electrode-pixel electrode contact portion. A pixel electrode is formed connected to the drain electrode. Two of the passivation layers have the same composition but are processed at different temperatures. A thin film transistor prepared in the above manner is also presented.
    Type: Application
    Filed: June 12, 2009
    Publication date: July 1, 2010
    Inventors: Dong-Ju YANG, Yu-Gwang Jeong, Ki-Yeup Lee, Sang-Gab Kim, Yun-Jong Yeo, Shin-Il Choi, Hong-Kee Chin, Seung-Ha Choi, Jung-Suk Bang
  • 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: 20100136775
    Abstract: Provided is a method for manufacturing a thin-film transistor substrate, in which the etching characteristics of an insulating film and a passivation layer are enhanced. The insulating film and the passivation layer are deposited by low temperature chemical vapor deposition. The method includes disposing a gate wiring on an insulating substrate; disposing a gate insulating film on the gate wiring; disposing a data wiring on the gate insulating film; disposing a passivation layer on the data wiring; and forming a contact hole by etching at least one of the gate insulating film and the passivation layer, wherein at least one of the gate insulating film and the passivation layer is disposed at a temperature of about 280° C. or below, and the forming of the contact hole is performed at a pressure of about 60 mT or below.
    Type: Application
    Filed: October 28, 2009
    Publication date: June 3, 2010
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Seung-Ha CHOI, Sang-Gab KIM, Bong-Kyu SHIN, Sang-Uk LIM, Jin-Ho JU, Sung-Hoon YANG, Sang-Woo WHANGBO, Jae-Ho CHOI, Ki-Yeup LEE, Yun-Jong YEO, Shin-Il CHOI, Dong-Ju YANG, Hong-Kee CHIN, Yu-Gwang JEONG
  • Publication number: 20100051934
    Abstract: A thin film transistor array panel and a method of manufacturing the same are provided according to one or more embodiments.
    Type: Application
    Filed: July 16, 2009
    Publication date: March 4, 2010
    Inventors: Jong-Hyun Choung, Bong-Kyun Kim, Byeong-Jin Lee, Sun-Young Hong, Pil-Sang Yun, Hong-Sick Park, Dong-Ju Yang, Young-Joo Choi, Nam-Seok Suh
  • Publication number: 20100044717
    Abstract: After forming a signal line including aluminum, an upper layer of an oxide layer including aluminum that covers the signal line is formed in the same chamber and by using the same sputtering target as the signal line, or a buffer layer of an oxide layer including aluminum is formed in a contact hole exposing the signal line during the formation of the contact hole. Accordingly, the contact characteristic between an upper layer including indium tin oxide (“ITO”) or indium zinc oxide (“IZO”) and the signal line may be improved to enhance the adhesion therebetween while not increasing the production cost of the thin film transistor (“TFT”) array panel.
    Type: Application
    Filed: May 4, 2009
    Publication date: February 25, 2010
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Seung-Ha CHOI, Ki-Yeup LEE, Sang-Gab KIM, Shin-Il CHOI, Dong-Ju YANG, Hong-Kee CHIN, Yu-Gwang JEONG, Ji-Young PARK, Dong-Hoon LEE, Byeong-Beom KIM
  • 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: 20090302321
    Abstract: A thin film transistor substrate includes; a substrate, an organic layer disposed on the substrate and including a trench formed by etching a predetermined region of an upper portion of the organic layer, a gate electrode disposed in the trench, an insulating layer disposed on the organic layer and the gate electrode, a semiconductor layer disposed on the insulating layer, a source electrode disposed on the semiconductor layer, and a drain electrode disposed on the semiconductor layer and spaced apart from the source electrode.
    Type: Application
    Filed: March 31, 2009
    Publication date: December 10, 2009
    Applicant: SAMSUNG ELECTRONICS CO., LTD
    Inventors: Jeong-Min Park, Doo-Hee Jung, Dong-Ju Yang
  • 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: 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: 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: 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