Patents by Inventor Tae-Young Choi

Tae-Young 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).

  • Thin film transistor array panel and manufacturing method thereof
    Patent number: 8519393
    Abstract: A thin film transistor array panel according to an exemplary embodiment of the present invention includes: a gate electrode disposed on an insulation substrate; a gate insulating layer disposed on the gate electrode; a semiconductor disposed on the gate insulating layer; an etching stop layer disposed on the semiconductor; an insulating layer disposed on the gate insulating layer; and a source electrode and a drain electrode overlapping the semiconductor. The semiconductor and the gate insulating layer have a first portion on which the etching stop layer and the insulating layer are disposed, and a second portion on which etching stop layer and the insulating layer are not disposed. The source electrode and the drain electrode are disposed on the second portion of the semiconductor and the gate insulating layer.
    Type: Grant
    Filed: June 24, 2010
    Date of Patent: August 27, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Tae-Young Choi, Hi-Kuk Lee, Bo-Sung Kim, Young-Min Kim, Seung-Hwan Cho, Young-Soo Yoon, Yeon-Taek Jeong, Seon-Pil Jang
  • Base assembly for motor and hard disk drive including the same
    Patent number: 8493685
    Abstract: There is provided a base assembly for a motor, the base assembly including: a base body having a disk disposed thereon; an outer wall part defining an outer side of the base body; one or more ribs depressed from one surface of the base body and protruded toward the other surface thereof to thereby improve rigidity of the base body; and one or more blocking parts provided in the ribs to thereby block abnormal air flow due to the ribs at a time of rotation of the disk.
    Type: Grant
    Filed: March 13, 2012
    Date of Patent: July 23, 2013
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventor: Tae Young Choi
  • Base for motor and hard disk drive including the same
    Patent number: 8477449
    Abstract: There is provided a base for a motor, the base including: a base body formed by performing press processing on a steel plate, a base material; an outer wall part defining an outer edge of the base body and formed by being bent from an end portion of the base body; and at least one weight reducing part formed by removing a predetermined region of the outer wall part.
    Type: Grant
    Filed: January 11, 2012
    Date of Patent: July 2, 2013
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventor: Tae Young Choi
  • Base for motor and hard disk drive including the same
    Patent number: 8477450
    Abstract: There is provided a base for a motor, the base including: a base body having a disk disposed thereon; an outer wall part defining an outer part of the base body; and at least one rib depressed from one surface of the base body and protruded toward the other surface thereof to thereby improve rigidity of the base body, wherein pressure in an inner edge of the rib is equal to or greater than pressure in an outer edge thereof at the time of rotation of the disk.
    Type: Grant
    Filed: March 12, 2012
    Date of Patent: July 2, 2013
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Tae Young Choi, Hyun Ho Shin
  • Lighting device
    Patent number: 8471443
    Abstract: Disclosed is a lighting device. The lighting device includes: a substrate; a light emitting device disposed on the substrate; a driving unit supplying electric power to the light emitting device and connected to the substrate through a conductive line; a heat radiating body radiating heat from the light emitting devices and comprising a hole through which the conductive line to pass; and an insulator coupled with the hole and having a opening.
    Type: Grant
    Filed: November 8, 2010
    Date of Patent: June 25, 2013
    Assignee: LG Innotek Co., Ltd.
    Inventors: Tae Young Choi, Sungho Hong, Seok Jin Kang, Dong Soo Kim
  • Liquid crystal display and method of manufacturing the same
    Patent number: 8460955
    Abstract: The present invention provides a thin film transistor having high performance in a liquid crystal display, and a manufacturing method of a liquid crystal display according to an exemplary embodiment of the present invention that includes: forming a gate line including a gate electrode on a substrate; forming a gate insulating layer on the gate line; forming a data line including a source electrode and a drain electrode facing the source electrode on the gate insulating layer; forming a partition defining a pixel area and having an opening region exposing the gate insulating layer on the gate electrode, the source electrode and the drain electrode on the gate line, and the data line and the drain electrode; forming a semiconductor in the opening region; forming a color filter in the pixel area defined by the partition; and forming a pixel electrode connected to the drain electrode on the color filter.
    Type: Grant
    Filed: March 26, 2012
    Date of Patent: June 11, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Tae-Young Choi, Bo-Sung Kim, Young-Min Kim
  • BASE FOR MOTOR AND HARD DISK DRIVE INCLUDING THE SAME
    Publication number: 20130135770
    Abstract: There is provided a base for a motor, the base including: a base body having a disk disposed thereon; an outer wall part defining an outer part of the base body; and at least one rib depressed from one surface of the base body and protruded toward the other surface thereof to thereby improve rigidity of the base body, wherein pressure in an inner edge of the rib is equal to or greater than pressure in an outer edge thereof at the time of rotation of the disk.
    Type: Application
    Filed: March 12, 2012
    Publication date: May 30, 2013
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Tae Young CHOI, Hyun Ho SHIN
  • BASE ASSEMBLY FOR MOTOR AND HARD DISK DRIVE INCLUDING THE SAME
    Publication number: 20130120871
    Abstract: There is provided a base assembly for a motor, the base assembly including: a base body having a disk disposed thereon; an outer wall part defining an outer side of the base body; one or more ribs depressed from one surface of the base body and protruded toward the other surface thereof to thereby improve rigidity of the base body; and one or more blocking parts provided in the ribs to thereby block abnormal air flow due to the ribs at a time of rotation of the disk.
    Type: Application
    Filed: March 13, 2012
    Publication date: May 16, 2013
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventor: Tae Young CHOI
  • BASE FOR MOTOR AND HARD DISK DRIVE INCLUDING THE SAME
    Publication number: 20130114160
    Abstract: There is provided a base for a motor, the base including: a base body formed by performing press processing on a steel plate, a base material; an outer wall part defining an outer edge of the base body and formed by being bent from an end portion of the base body; and at least one weight reducing part formed by removing a predetermined region of the outer wall part.
    Type: Application
    Filed: January 11, 2012
    Publication date: May 9, 2013
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventor: Tae Young CHOI
  • LIGHTING DEVICE
    Publication number: 20130100674
    Abstract: A lighting device may be provided to include a heat sink which includes a receiving recess and a top surface including a hole; a light source module which includes a substrate disposed on the heat sink, a light emitting device disposed on the substrate and a pad disposed on the substrate; a power supplier which is disposed in the receiving recess of the heat sink and includes a projection outputting a power signal for driving the light source module; and a connector which is coupled to the hole of the heat sink, includes a contacting part electrically connected to the pad of the light source module, and is electrically connected to the projection of the power supplier.
    Type: Application
    Filed: July 6, 2012
    Publication date: April 25, 2013
    Inventors: Ji Hoo Kim, Tae Young Choi, Do Hwan Kim, Sung Ku Kang, Chan Hyung Jung
  • Spindle motor
    Patent number: 8408798
    Abstract: Disclosed herein is a spindle motor having a fluid dynamic bearing as an oil gap formed between a rotator and a stator, wherein the stator includes a sleeve having a protruding part extending in a circumferential direction formed on the upper part thereof, the rotator includes a hub including an oil interface forming member positioned under the protruding part of the sleeve and coupled to the lower end thereof, and an oil interface of the oil gap is formed between the upper part of the oil interface forming member and the lower part of the protruding part of the sleeve.
    Type: Grant
    Filed: September 13, 2010
    Date of Patent: April 2, 2013
    Assignee: Samsung Electro-Mechanics Co., Ltd
    Inventors: Hyuk Joo Kim, Bum Cho Kim, Young Ha Park, Tae Young Choi
  • THIN FILM TRANSISTOR AND MANUFACTURING METHOD THEREOF
    Publication number: 20130056828
    Abstract: A thin film transistor is provided. A thin film transistor according to an exemplary embodiment of the present invention includes: a substrate; a gate line disposed on the substrate and including a gate electrode; a semiconductor layer disposed on the substrate and including at least a portion overlapping the gate electrode; a gate insulating layer disposed between the gate line and the semiconductor layer; and a source electrode and a drain electrode disposed on the substrate and facing each other over a channel region of the semiconductor layer. The gate insulating layer includes a first region and a second region, the first region corresponds to the channel region of the semiconductor layer, the first region is made of a first material, the second region is made of a second material, and the first material and the second material have different atomic number ratios of carbon and silicon.
    Type: Application
    Filed: March 30, 2012
    Publication date: March 7, 2013
    Inventors: Yeon Taek JEONG, Bo Sung Kim, Doo-Hyoung Lee, June Whan Choi, Tae-Young Choi, Kano Masataka
  • METHOD OF MANUFACTURING A NANO-ROD AND METHOD OF MANUFACTURING A DISPLAY SUBSTRATE
    Publication number: 20130052763
    Abstract: A method of manufacturing a nano-rod and a method of manufacturing a display substrate in which a seed including a metal oxide is formed. A nano-rod is formed by reacting the seed with a metal precursor in an organic solvent. Therefore, the nano-rod may be easily formed, and a manufacturing reliability of the nano-rod and a display substrate using the nano-rod may be improved.
    Type: Application
    Filed: March 19, 2012
    Publication date: February 28, 2013
    Applicants: KOREA UNIVERSITY RESEARCH AND BUSINESS FOUNDATION, SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Tae-Young CHOI, Bo-Sung KIM, Kwang-Yeol LEE, See-Won KIM
  • Method of forming a thin film transistor having openings formed therein
    Patent number: 8383449
    Abstract: A thin film transistor array panel includes a substrate, a plurality of first and second signal lines crossing each other on the substrate, source electrodes connected to the first signal lines, drain electrodes connected to the second signal lines, pixel electrodes connected to the drain electrodes, a first partition formed on the source and drain electrodes and having a first opening, wherein a lower width of the first opening is wider than an upper width of the first opening, an organic semiconductor formed in the first opening and at least overlapping the portions of the source electrode and the drain electrode, and a gate electrode connected to the second signal line and at least overlapping the portion of the organic semiconductor.
    Type: Grant
    Filed: August 16, 2010
    Date of Patent: February 26, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Keun-Kyu Song, Tae-Young Choi, Tae-Hyung Hwang, Seung-Hwan Cho
  • Stator assembly for motor and motor including the same
    Publication number: 20130033147
    Abstract: There is provided a stator assembly for a motor including: a base for a motor fabricated with a steel sheet; a core installation part installed on the base for a motor; and a stator core fixed to the core installation part, wherein the core installation part includes a guide portion guiding an insertion of the stator core and a mounting portion on which the stator core is mounted.
    Type: Application
    Filed: November 14, 2011
    Publication date: February 7, 2013
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventor: Tae Young Choi
  • SPINDLE MOTOR AND HARD DISC DRIVE INCLUDING THE SAME
    Publication number: 20130033782
    Abstract: There are provided a spindle motor and a hard disk drive including the same. The spindle motor includes: a shaft; a sleeve rotatably supporting the shaft by fluid dynamic pressure; a holder provided outwardly of the sleeve and at least partially formed of a magnetic material; a stator core mounted on an outer surface of the holder; and a base member including a mounting part protruding upwardly in an axial direction and fixed to the holder.
    Type: Application
    Filed: August 1, 2012
    Publication date: February 7, 2013
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Jae Woon PARK, Tae Young Choi, Shin Young Cheong, Hyun Chul Lee
  • BASE FOR MOTOR AND HARD DISK DRIVE INCLUDING THE SAME
    Publication number: 20130033781
    Abstract: There is provided a base for a motor, the base including: a base body having a disk disposed thereon; an outer wall part formed on the base body to thereby define an outer edge of the base body; and a fixing part formed in at least one of the base body and the outer wall part in order to fix the base body and a substrate, to which power is applied, to each other, thereby supporting upper and lower surfaces of the substrate.
    Type: Application
    Filed: January 10, 2012
    Publication date: February 7, 2013
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Hyun Chul LEE, Tae Young Choi
  • BASE FOR MOTOR AND HARD DISK DRIVE INCLUDING THE SAME
    Publication number: 20130016440
    Abstract: There is provided a base for a motor, the base including: a base body having a disk disposed thereon; and an outer wall part formed on the base body to thereby define an outer edge thereof, wherein the outer wall part includes at least one cut wall part formed by cutting a predetermined region and an outer side wall part formed by bending a region other than the cut wall part.
    Type: Application
    Filed: January 11, 2012
    Publication date: January 17, 2013
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD
    Inventor: Tae Young CHOI
  • THIN FILM TRANSISTOR SUBSTRATE, DISPLAY PANEL HAVING THE SAME AND METHOD OF MANUFACTURING
    Publication number: 20120326152
    Abstract: A thin film transistor substrate includes a base substrate; a first insulating layer disposed on the base electrode; source and drain electrodes disposed on the first insulating layer to be spaced apart from each other; a semiconductor layer disposed on the source electrode, the drain electrode, and the first insulating layer; a second insulating layer disposed on the semiconductor layer; and a gate electrode disposed on the second insulating layer to overlap with the source electrode and the drain electrode.
    Type: Application
    Filed: June 18, 2012
    Publication date: December 27, 2012
    Inventors: Tae-Young CHOI, Doohyoung LEE, Yeontaek JEONG, Seon-Pil JANG, Bo Sung KIM, Youngmin KIM
  • Stator assembly for motor and motor including the same
    Publication number: 20120299451
    Abstract: There are provided a stator assembly for a motor and a motor including the same. The stator assembly includes a base supporting a core having a coil wound therearound, the coil generating rotational driving force; a printed circuit board disposed between the core and the base and electrically connected to a lead wire of the coil; and a penetration part formed to penetrate through the base to thereby allow the printed circuit board to pass therethrough.
    Type: Application
    Filed: September 20, 2011
    Publication date: November 29, 2012
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventor: Tae Young Choi