Patents by Inventor Ju-han Bae

Ju-han Bae 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: 8059329
    Abstract: A display substrate includes an insulation substrate, a gate line formed on the insulation substrate, a data line formed on the insulation substrate and crossing the gate line, a switching element formed on the insulation substrate and electrically connected to the gate line and the data line, and a pixel electrode formed on the insulation substrate. The pixel electrode is electrically connected to the switching element and includes a reflective electrode layer which reflects light and an absorption electrode layer which absorbs light.
    Type: Grant
    Filed: October 4, 2007
    Date of Patent: November 15, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Keun-Kyu Song, Ju-Han Bae, Seong-Sik Shin, Bo-Sung Kim
  • Publication number: 20110266956
    Abstract: A display apparatus includes a substrate; a first insulating layer formed on the substrate and having an upper surface including a concavo-convex area including one or more concave features and one or more convex features; a first storage electrode overlaying the upper surface and a side surface of the first insulating layer and having an upper surface including a concavo-convex area including one or more concave features and one or more convex features, each concave feature of the first storage electrode overlying at least one respective concave feature of the first insulating layer, each convex feature of the first storage electrode overlying at least one respective convex feature of the first insulating layer; a second insulating layer formed on the first storage electrode; and a second storage electrode formed on the second insulating layer which separates the second storage electrode from the underlying first storage electrode.
    Type: Application
    Filed: July 12, 2011
    Publication date: November 3, 2011
    Inventors: Dae-Jin PARK, Kyu-Young Kim, Hyung-Il Jeon, Ju-Han Bae
  • Patent number: 8045105
    Abstract: A thin film transistor substrate according to one or more embodiments of the present invention includes a gate line formed on a substrate, a data line that is insulated from and intersects the gate line, a thin film transistor connected to the gate line and the data line, a barrier rub formed on the thin film transistor and partitioning a plurality of first openings, a reflecting electrode formed in each of the first openings, and a pixel electrode formed on the reflecting electrode and that is electrically connected to the thin film transistor.
    Type: Grant
    Filed: February 11, 2009
    Date of Patent: October 25, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Seung-Hwan Cho, Bo-Sung Kim, Jung-Han Shin, Ju-Han Bae
  • Patent number: 7999260
    Abstract: In a display substrate and a method of the display substrate, a bank pattern provided with openings formed therethrough is formed by an imprint method, and the openings are filled with a conductive material by an inkjet method to form a data line and a pixel electrode, in accordance with one or more embodiments. When the display substrate is manufactured, a patterning process by a photolithography method may be replaced with the patterning process by the imprint method and the inkjet method, which simplifies a manufacturing method of the display substrate. In case that the display substrate includes a plastic substrate, the plastic substrate may be prevented from being deformed during a photolithography process.
    Type: Grant
    Filed: April 8, 2009
    Date of Patent: August 16, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Dae-Jin Park, Kyu-Young Kim, Hyung-Il Jeon, Ju-Han Bae
  • Patent number: 7989813
    Abstract: A display apparatus includes a substrate; a first insulating layer formed on the substrate and having an upper surface including a concavo-convex area including one or more concave features and one or more convex features; a first storage electrode overlaying the upper surface and a side surface of the first insulating layer and having an upper surface including a concavo-convex area including one or more concave features and one or more convex features, each concave feature of the first storage electrode overlying at least one respective concave feature of the first insulating layer, each convex feature of the first storage electrode overlying at least one respective convex feature of the first insulating layer; a second insulating layer formed on the first storage electrode; and a second storage electrode formed on the second insulating layer which separates the second storage electrode from the underlying first storage electrode.
    Type: Grant
    Filed: June 23, 2008
    Date of Patent: August 2, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Dae-Jin Park, Kyu-Young Kim, Hyung-Il Jeon, Ju-Han Bae
  • Patent number: 7981737
    Abstract: A thin film transistor array panel according to the present invention includes: a gate line formed on a substrate and including a gate electrode; a gate insulating layer formed on the gate electrode; a mold layer formed on the gate insulating layer and having an opening overlapping the gate electrode; a semiconductor layer filled in the opening; a data line formed on the mold layer and including a source electrode contacted with the semiconductor layer; a drain electrode contacted with the semiconductor layer on the mold layer and facing the source electrode; a passivation layer formed on the data line and the drain electrode; and a pixel electrode formed on the passivation layer and connected to the drain electrode, wherein the passivation layer, the source electrode, and the drain electrode have at least one through-hole connected to the opening.
    Type: Grant
    Filed: May 28, 2009
    Date of Patent: July 19, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Ju-Han Bae, Kyu-Young Kim
  • Patent number: 7973885
    Abstract: Disclosed is a display substrate including a pixel electrode and a thin film transistor formed thereon. The thin film transistor includes a gate electrode, a source electrode, and a drain electrode, and the pixel electrode is formed by extending the drain electrode thereby reducing the required number of process steps and photo masks.
    Type: Grant
    Filed: October 9, 2007
    Date of Patent: July 5, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Ju-Han Bae, Hyung-Il Jeon
  • Publication number: 20110129952
    Abstract: A thin film transistor substrate includes a color filter layer and a gate line. The color filter layer has a reverse taper shape, which is used to pattern the gate line without a separate mask. Thus, the total number of masks used to manufacture the thin film transistor substrate can be reduced, thereby reducing the manufacturing cost and improving the productivity.
    Type: Application
    Filed: February 10, 2011
    Publication date: June 2, 2011
    Inventors: Ju-Han BAE, Jang-Kyum KIM
  • Publication number: 20110124152
    Abstract: A method of manufacturing a semiconductor for a transistor that includes forming a precursor layer by coating a surface of an insulation substrate with a precursor solution for an oxide semiconductor, forming an oxide semiconductor by oxidizing a portion of the precursor layer, and removing a remaining precursor layer except for the oxide semiconductor.
    Type: Application
    Filed: July 2, 2010
    Publication date: May 26, 2011
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Bo-Kyoung AHN, Seon-Pil Jang, Gug-Rae Jo, Hong-Suk Yoo, Chang-Hoon Kim, Min-Uk Kim, Ju-Han Bae
  • Patent number: 7894027
    Abstract: A thin film transistor display substrate comprises a base substrate on which a pixel area including a first reflection area and a second reflection area is defined. A gate line formed on the base substrate and a data line formed on the base substrate. The data line is insulated from and intersected with the gate line to define the pixel area. A thin film transistor is formed in the pixel area and connected to the gate line and the data line. A first reflection layer is formed on the base substrate and corresponds to the first reflection area. A color filter is formed on the first reflection layer and corresponds to the pixel area. A second reflection layer is formed on the color filter and corresponds to the second reflection area. A pixel electrode is formed on the color filter and is electrically connected to the thin film transistor.
    Type: Grant
    Filed: November 18, 2008
    Date of Patent: February 22, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Dae-Jin Park, Jang-Kyum Kim, Ju-Han Bae
  • Patent number: 7888717
    Abstract: A thin film transistor substrate includes a color filter layer and a gate line. The color filter layer has a reverse taper shape, which is used to pattern the gate line without a separate mask. Thus, the total number of masks used to manufacture the thin film transistor substrate can be reduced, thereby reducing the manufacturing cost and improving the productivity.
    Type: Grant
    Filed: October 22, 2008
    Date of Patent: February 15, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Ju-Han Bae, Jang-Kyum Kim
  • Patent number: 7807087
    Abstract: An imprinting apparatus and a method of the same which form a residual film including a uniform thickness all over a substrate. The imprinting apparatus includes a substrate support which supports a substrate which is coated with an imprint resin on an upper surface thereof, an imprint mold arranged on an upper side of the substrate support and which forms a predetermined pattern by molding the imprint resin coated on the substrate, a pressure roller which pressurizes the imprint mold to adhere closely to the substrate, a pressure roller control unit which controls the pressure roller to change a moving velocity and an applied pressure of the pressure roller according to a position of the imprint mold, and a resin curing unit which cures the imprint resin on the substrate.
    Type: Grant
    Filed: August 1, 2007
    Date of Patent: October 5, 2010
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Dae Jin Park, Kyu Young Kim, Jung Mok Bae, Ju Han Bae
  • Patent number: 7777936
    Abstract: The present invention relates to a display device including a substrate having a display area, a first electrode disposed on the substrate to receive a first voltage, a second electrode disposed on the substrate to receive a second voltage having an opposite polarity to that of the first voltage, an insulating layer disposed on the first electrode and the second electrode, and an isolated member disposed on the insulating layer and electrically isolated, wherein an induction charge is generated in the isolated member by application of the first voltage and the second voltage, and wherein light transmittance is controlled according to the application of the first and second voltages.
    Type: Grant
    Filed: July 2, 2008
    Date of Patent: August 17, 2010
    Assignees: Samsung Electronics Co., Ltd., Korea Advanced Institute of Science and Technology
    Inventors: Jae-Hyuk Chang, Nam-Seok Roh, Seong-Sik Shin, Ju-Han Bae, Kyung-Ho Lee, Jun-Bo Yoon
  • Publication number: 20100101713
    Abstract: Disclosed are a printing mold and a manufacturing method thereof, and a method of forming a thin film pattern using the printing mold. The printing mold comprises a polymer-based main body with convex and concave surface portions, and an ink-phobic layer disposed on the concave surface portions of the main body.
    Type: Application
    Filed: March 9, 2009
    Publication date: April 29, 2010
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Kyu-Young KIM, Jae-Hyuk Chang, Dae-Jin Park, Ju-Han Bae
  • Publication number: 20100078641
    Abstract: In a display substrate and a method of the display substrate, a bank pattern provided with openings formed therethrough is formed by an imprint method, and the openings are filled with a conductive material by an inkjet method to form a data line and a pixel electrode, in accordance with one or more embodiments. When the display substrate is manufactured, a patterning process by a photolithography method may be replaced with the patterning process by the imprint method and the inkjet method, which simplifies a manufacturing method of the display substrate. In case that the display substrate includes a plastic substrate, the plastic substrate may be prevented from being deformed during a photolithography process.
    Type: Application
    Filed: April 8, 2009
    Publication date: April 1, 2010
    Inventors: Dae-Jin PARK, Kyu-Young Kim, Hyung-Il Jeon, Ju-Han Bae
  • Publication number: 20100072483
    Abstract: A thin film transistor array panel according to the present invention includes: a gate line formed on a substrate and including a gate electrode; a gate insulating layer formed on the gate electrode; a mold layer formed on the gate insulating layer and having an opening overlapping the gate electrode; a semiconductor layer filled in the opening; a data line formed on the mold layer and including a source electrode contacted with the semiconductor layer; a drain electrode contacted with the semiconductor layer on the mold layer and facing the source electrode; a passivation layer formed on the data line and the drain electrode; and a pixel electrode formed on the passivation layer and connected to the drain electrode, wherein the passivation layer, the source electrode, and the drain electrode have at least one through-hole connected to the opening.
    Type: Application
    Filed: May 28, 2009
    Publication date: March 25, 2010
    Inventors: Ju-Han Bae, Kyu-Young Kim
  • Publication number: 20100038647
    Abstract: A thin film transistor substrate according to one or more embodiments of the present invention includes a gate line formed on a substrate, a data line that is insulated from and intersects the gate line, a thin film transistor connected to the gate line and the data line, a barrier rub formed on the thin film transistor and partitioning a plurality of first openings, a reflecting electrode formed in each of the first openings, and a pixel electrode formed on the reflecting electrode and that is electrically connected to the thin film transistor.
    Type: Application
    Filed: February 11, 2009
    Publication date: February 18, 2010
    Inventors: Seung-Hwan CHO, Bo-Sung Kim, Jung-Han Shin, Ju-Han Bae
  • Publication number: 20090309257
    Abstract: The present invention relates to a master for manufacturing a mold, a mold for manufacturing a display device, a manufacturing method of the mold using the master, and a manufacturing method of the display device using the mold in an imprinting process. A master for manufacturing a mold according to one or more embodiments of the present invention comprises a substrate, and a master pattern formed on the substrate and comprising an embossed portion, wherein the embossed portion comprises levees formed on both edges thereof. A side surface of the embossed portion may form an angle of about 60 to 90 degrees with a surface of the substrate. When the mold manufactured using the master is used in the imprinting process to manufacture the display device, air bubbles are kept away from the side surface of a resin pattern. Accordingly, defects of the wire pattern of the display device may be prevented.
    Type: Application
    Filed: November 18, 2008
    Publication date: December 17, 2009
    Inventors: Dae-Jin Park, Jung-Mok Bae, Jae-Hyuk Chang, Ju-Han Bae
  • Publication number: 20090236604
    Abstract: A thin film transistor substrate includes a color filter layer and a gate line. The color filter layer has a reverse taper shape, which is used to pattern the gate line without a separate mask. Thus, the total number of masks used to manufacture the thin film transistor substrate can be reduced, thereby reducing the manufacturing cost and improving the productivity.
    Type: Application
    Filed: October 22, 2008
    Publication date: September 24, 2009
    Inventors: Ju-Han Bae, Jang-Kyum Kim
  • Publication number: 20090168145
    Abstract: The present invention relates to a display device including a substrate having a display area, a first electrode disposed on the substrate to receive a first voltage, a second electrode disposed on the substrate to receive a second voltage having an opposite polarity to that of the first voltage, an insulating layer disposed on the first electrode and the second electrode, and an isolated member disposed on the insulating layer and electrically isolated, wherein an induction charge is generated in the isolated member by application of the first voltage and the second voltage, and wherein light transmittance is controlled according to the application of the first and second voltages.
    Type: Application
    Filed: July 2, 2008
    Publication date: July 2, 2009
    Applicants: SAMSUNG ELECTRONICS CO., LTD, KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Jae-Hyuk CHANG, Nam-Seok ROH, Seong-Sik SHIN, Ju-Han BAE, Kyung-Ho LEE, Jun-Bo YOON