Patents by Inventor Seung-Hwan Shim

Seung-Hwan Shim 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: 9070718
    Abstract: A thin film transistor, a display device, and a manufacturing method thereof. The thin film transistor includes a control electrode, a semiconductor overlapping the control electrode, and an input electrode and an output electrode disposed on or under the semiconductor and opposite to each other. The semiconductor includes a first portion disposed between the input electrode and the output electrode and having a first crystallinity, and a second portion connected with the first portion, which overlaps the input electrode or the output electrode, and having a second crystallinity. The first crystallinity is higher than the second crystallinity.
    Type: Grant
    Filed: May 22, 2013
    Date of Patent: June 30, 2015
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Sung-Haeng Cho, Ki-Hun Jeong, Jun-Ho Song, Joo-Han Kim, Hyung-Jun Kim, Seung-Hwan Shim
  • Patent number: 8975145
    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: Grant
    Filed: January 30, 2014
    Date of Patent: March 10, 2015
    Assignee: Samsung Display Co., Ltd.
    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
  • Patent number: 8822995
    Abstract: A display substrate includes a switching transistor electrically connected to a gate line and a data line, the data line extending in a first direction substantially perpendicular to the gate line extending in a second direction, the switching transistor including a switching active pattern comprising amorphous silicon, a driving transistor electrically connected to a driving voltage line and the switching transistor, the driving voltage line extended in the first direction, the driving transistor including a driving active pattern comprising a metal oxide; and a light-emitting element electrically connected to the driving transistor.
    Type: Grant
    Filed: June 17, 2009
    Date of Patent: September 2, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Chun-Gi You, Kap-Soo Yoon, Gug-Rae Jo, Sung-Hoon Yang, Ki-Hun Jeong, Seung-Hwan Shim, Jae-Ho Choi
  • Publication number: 20140147947
    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: January 30, 2014
    Publication date: May 29, 2014
    Applicant: SAMSUNG DISPLAY CO., LTD.
    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
  • Patent number: 8642367
    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: Grant
    Filed: March 7, 2011
    Date of Patent: February 4, 2014
    Assignee: Samsung Display Co., Ltd.
    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
  • Patent number: 8619230
    Abstract: An approach is provided for manufacturing a LCD apparatus. A first substrate is formed by forming a transparent conductive layer on a first transparent insulating substrate and forming a transparent conductive electrode on the transparent conductive layer. A second substrate is formed by forming a thin-film transistor (TFT) on a second transparent insulating substrate and forming a pixel electrode. The first substrate is coupled to the second substrate using a sealing member.
    Type: Grant
    Filed: February 25, 2013
    Date of Patent: December 31, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Seung-Hwan Shim, Gug-Rae Jo, Sung-Hoon Yang, Kap-Soo Yoon, Ki-Hun Jeong, Jae-Ho Choi
  • Publication number: 20130260498
    Abstract: A thin film transistor, a display device, and a manufacturing method thereof. The thin film transistor includes a control electrode, a semiconductor overlapping the control electrode, and an input electrode and an output electrode disposed on or under the semiconductor and opposite to each other. The semiconductor includes a first portion disposed between the input electrode and the output electrode and having a first crystallinity, and a second portion connected with the first portion, which overlaps the input electrode or the output electrode, and having a second crystallinity. The first crystallinity is higher than the second crystallinity.
    Type: Application
    Filed: May 22, 2013
    Publication date: October 3, 2013
    Applicant: Samsung Display Co., Ltd.
    Inventors: Sung-Haeng CHO, Ki-Hun JEONG, Jun-Ho SONG, Joo-Han Kim, Hyung-Jun Kim, Seung-Hwan SHIM
  • Patent number: 8450742
    Abstract: A thin film transistor, a display device, and a manufacturing method thereof. The thin film transistor includes a control electrode, a semiconductor overlapping the control electrode, and an input electrode and an output electrode disposed on or under the semiconductor and opposite to each other. The semiconductor includes a first portion disposed between the input electrode and the output electrode and having a first crystallinity, and a second portion connected with the first portion, which overlaps the input electrode or the output electrode, and having a second crystallinity. The first crystallinity is higher than the second crystallinity.
    Type: Grant
    Filed: February 14, 2011
    Date of Patent: May 28, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sung-Haeng Cho, Ki-Hun Jeong, Jun-Ho Song, Joo-Han Kim, Hyung-Jun Kim, Seung-Hwan Shim
  • Patent number: 8390776
    Abstract: A method of manufacturing a thin film transistor array substrate includes: forming a gate pattern on a substrate; forming a first gate insulating film and a second gate insulating film on the substrate; forming a source/drain pattern and a semiconductor pattern on the substrate; forming a passivation film on the substrate; forming a photo-resist pattern on the passivation film; patterning the passivation film using the photo-resist pattern to form a passivation film pattern, the patterning of the passivation film including over-etching the passivation film to form an open region in the passivation film; forming a transparent electrode film on the substrate; removing the photo-resist pattern and a portion of the transparent electrode film on the photo-resist pattern; and forming a pixel electrode on the first gate insulating layer.
    Type: Grant
    Filed: April 19, 2012
    Date of Patent: March 5, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Ki-Hun Jeong, Seung-Hwan Shim, Joo-Han Kim, Hong-Kee Chin
  • Patent number: 8384871
    Abstract: In a liquid crystal display (LCD) apparatus and a method for manufacturing the LCD apparatus, the LCD apparatus includes first and second substrates, and a liquid crystal layer disposed between the first and second substrates. The first substrate includes a transparent insulating substrate, a conductive layer formed over an entire surface of the transparent insulating substrate, and a transparent conductive electrode formed on the conductive layer.
    Type: Grant
    Filed: January 12, 2010
    Date of Patent: February 26, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Seung-Hwan Shim, Gung-Rae Jo, Sung-Hoon Yang, Kap-Soo Yoon, Ki-Hun Jeong, Jae-Ho Choi
  • Patent number: 8278661
    Abstract: A display device and a manufacturing method thereof, include a first thin film transistor including a first control electrode, a first semiconductor disposed on the first control electrode, and a first input electrode and a first output electrode opposite to each other on the first semiconductor; and a second thin film transistor including a second control electrode, a second semiconductor disposed on the second control electrode, and a second input electrode and a second output electrode opposite to each other on the second semiconductor, wherein the first semiconductor includes a first lower semiconductor including polysilicon, and a first upper semiconductor disposed on the first lower semiconductor, the first upper semiconductor including amorphous silicon.
    Type: Grant
    Filed: September 8, 2008
    Date of Patent: October 2, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jun-Ho Song, Joo-Han Kim, Hyung-Jun Kim, Sung-Haeng Cho, Ki-Hun Jeong, Seung-Hwan Shim
  • Patent number: 8258510
    Abstract: A display device including the thin film transistor, and a method of manufacturing the display device are provided. The thin film transistor comprising a first gate electrode, a second gate electrode formed on the first gate electrode, a first semiconductor formed on the first gate electrode and including a polycrystalline semiconductor, a second semiconductor formed on the second gate electrode and including an amorphous semiconductor.
    Type: Grant
    Filed: February 20, 2009
    Date of Patent: September 4, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Joo-Han Kim, Seung-Hwan Shim
  • Patent number: 8253892
    Abstract: A liquid crystal display includes; a first substrate, a gate line and a data line disposed on the first substrate, a color filter including protrusions and depressions aligned with the data line, the color filter being disposed on the data line, a pixel electrode disposed on the color filter, a second substrate facing the first substrate, a common electrode disposed on the second substrate, and a liquid crystal layer interposed between the first substrate and the second substrate.
    Type: Grant
    Filed: August 25, 2009
    Date of Patent: August 28, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Seung-Hwan Shim, Gug-Rae Jo, Sung-Hoon Yang, Kap-Soo Yoon, Ki-Hun Jeong, Jae-Ho Choi, Yang-Ho Jung
  • Publication number: 20120208330
    Abstract: A method of manufacturing a thin film transistor array substrate includes: forming a gate pattern on a substrate; forming a first gate insulating film and a second gate insulating film on the substrate; forming a source/drain pattern and a semiconductor pattern on the substrate; forming a passivation film on the substrate; forming a photo-resist pattern on the passivation film; patterning the passivation film using the photo-resist pattern to form a passivation film pattern, the patterning of the passivation film including over-etching the passivation film to form an open region in the passivation film; forming a transparent electrode film on the substrate; removing the photo-resist pattern and a portion of the transparent electrode film on the photo-resist pattern; and forming a pixel electrode on the first gate insulating layer.
    Type: Application
    Filed: April 19, 2012
    Publication date: August 16, 2012
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ki-Hun JEONG, Seung-Hwan SHIM, Joo-Han KIM, Hong-Kee CHIN
  • Patent number: 8237878
    Abstract: A liquid crystal display (LCD) includes a gate wiring, a first insulating substrate, an oxide active layer pattern, a data wiring, a floating electrode, and an upper gate electrode. The gate wiring includes a gate line formed on the first insulating substrate and a lower gate electrode extending from the gate line. The oxide active layer pattern is formed on the gate wiring. The data wiring includes a data line intersecting the gate line. The floating electrode generates a coupling capacitance by overlapping the gate wiring. The upper gate electrode is capacitively coupled to the lower gate electrode.
    Type: Grant
    Filed: August 6, 2009
    Date of Patent: August 7, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Seung-Hwan Shim, Kap-Soo Yoon, Sung-Hoon Yang, Ki-Hun Jeong
  • Patent number: 8184251
    Abstract: A method of manufacturing a thin film transistor array substrate includes: forming a gate pattern on a substrate; forming a first gate insulating film and a second gate insulating film on the substrate; forming a source/drain pattern and a semiconductor pattern on the substrate; forming a passivation film on the substrate; forming a photo-resist pattern on the passivation film; patterning the passivation film using the photo-resist pattern to form a passivation film pattern, the patterning of the passivation film including over-etching the passivation film to form an open region in the passivation film; forming a transparent electrode film on the substrate; removing the photo-resist pattern and a portion of the transparent electrode film on the photo-resist pattern; and forming a pixel electrode on the first gate insulating layer.
    Type: Grant
    Filed: July 7, 2009
    Date of Patent: May 22, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Ki-Hun Jeong, Seung-Hwan Shim, Joo-Han Kim, Hong-Kee Chin
  • Publication number: 20110159622
    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: March 7, 2011
    Publication date: June 30, 2011
    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: 20110133198
    Abstract: A thin film transistor, a display device, and a manufacturing method thereof. The thin film transistor includes a control electrode, a semiconductor overlapping the control electrode, and an input electrode and an output electrode disposed on or under the semiconductor and opposite to each other. The semiconductor includes a first portion disposed between the input electrode and the output electrode and having a first crystallinity, and a second portion connected with the first portion, which overlaps the input electrode or the output electrode, and having a second crystallinity. The first crystallinity is higher than the second crystallinity.
    Type: Application
    Filed: February 14, 2011
    Publication date: June 9, 2011
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sung-Haeng CHO, Ki-Hun JEONG, Jun-Ho SONG, Joo-Han KIM, Hyung-Jun KIM, Seung-Hwan SHIM
  • Patent number: 7923732
    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: Grant
    Filed: December 9, 2008
    Date of Patent: April 12, 2011
    Assignee: Samsung Electronics Co., Ltd.
    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
  • Patent number: 7915689
    Abstract: A thin film transistor, a display device, and a manufacturing method thereof. The thin film transistor includes a control electrode, a semiconductor overlapping the control electrode, and an input electrode and an output electrode disposed on or under the semiconductor and opposite to each other. The semiconductor includes a first portion disposed between the input electrode and the output electrode and having a first crystallinity, and a second portion connected with the first portion, which overlaps the input electrode or the output electrode, and having a second crystallinity. The first crystallinity is higher than the second crystallinity.
    Type: Grant
    Filed: October 29, 2008
    Date of Patent: March 29, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sung-Haeng Cho, Ki-Hun Jeong, Jun-Ho Song, Joo-Han Kim, Hyung-Jun Kim, Seung-Hwan Shim