Patents by Inventor Won Seok Cho

Won Seok Cho 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: 8632854
    Abstract: A substrate centering device for an organic material deposition system comprises: a plurality of substrate support holders configured to be reciprocally movable in a facing direction within an organic material deposition chamber and supporting both side portions of a substrate loaded by a robot; a substrate centering unit configured to be reciprocally movable at each of the substrate support holders and centering the substrate by guiding both side portions of the substrate; and a plurality of substrate clampers configured to be reciprocally movable in a vertical direction at each of the substrate support holders, and clamping the substrate that has been centered by the substrate centering unit.
    Type: Grant
    Filed: July 15, 2013
    Date of Patent: January 21, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jae-Mork Park, You-Min Cha, Won-Seok Cho, Jae-Hong Ahn, Min-Jeong Hwang
  • Publication number: 20130309403
    Abstract: An apparatus for depositing an organic material and a depositing method thereof, wherein a deposition process is performed with respect to a second substrate while transfer and alignment processes are performed with respect to a first substrate in a chamber, so that loss of an organic material wasted in the transfer and alignment processes can be reduced, thereby maximizing material efficiency and minimizing a processing tack time. The apparatus includes a chamber having an interior divided into a first substrate deposition area and a second substrate deposition area, an organic material deposition source transferred to within ones of the first and second substrate deposition areas to spray particles of an organic material onto respective ones of first and second substrates and a first transferring unit to rotate the organic material deposition source in a first direction from one of the first and second substrate deposition areas to an other of the first and second substrate deposition areas.
    Type: Application
    Filed: July 17, 2013
    Publication date: November 21, 2013
    Inventors: Jae-Wan PARK, You-Min CHA, Won-Seok CHO, Jae-Mork PARK, Jae-Hong AHN, Min-Jeong HWANG, Tae-Wook KIM, Jong-Woo LEE, Tae-Seung KIM
  • Publication number: 20130302134
    Abstract: A substrate centering device for an organic material deposition system comprises: a plurality of substrate support holders configured to be reciprocally movable in a facing direction within an organic material deposition chamber and supporting both side portions of a substrate loaded by a robot; a substrate centering unit configured to be reciprocally movable at each of the substrate support holders and centering the substrate by guiding both side portions of the substrate; and a plurality of substrate clampers configured to be reciprocally movable in a vertical direction at each of the substrate support holders, and clamping the substrate that has been centered by the substrate centering unit.
    Type: Application
    Filed: July 15, 2013
    Publication date: November 14, 2013
    Inventors: Jae-Mork Park, You-Min Cha, Won-Seok Cho, Jae-Hong Ahn, Min-Jeong Hwang
  • Publication number: 20130279233
    Abstract: A vertical non-volatile memory device is structured/fabricated to include a substrate, groups of memory cell strings each having a plurality of memory transistors distributed vertically so that the memory throughout multiple layers on the substrate, integrated word lines coupled to sets of the memory transistors, respectively, and stacks of word select lines. The memory transistors of each set are those transistors, of one group of the memory cell strings, which are disposed in the same layer above the substrate. The word select lines are respectively connected to the integrated word lines.
    Type: Application
    Filed: June 19, 2013
    Publication date: October 24, 2013
    Inventors: Sung-min Hwang, Han-soo Kim, Won-seok CHO, Jae-hoon Jang, Sun-il Shim, Jae-hun Jeong, Ki-hyun Kim
  • Patent number: 8563378
    Abstract: A semiconductor device includes a semiconductor pattern on a substrate, gate structures on sidewalls of the semiconductor pattern, the gate structures being spaced apart from one another, insulating interlayers among the gate structures, wherein an uppermost insulating interlayer is lower than an upper face of the semiconductor pattern, a common source line contacting the substrate and protruding above the uppermost insulating interlayer, an etch stop layer pattern on the semiconductor pattern and on the common source line wherein the common source line protrudes above the uppermost insulating interlayer, an additional insulating interlayer on the uppermost insulating interlayer, and contact plugs extending through the additional insulating interlayer so as to make contact with the semiconductor pattern and the common source line, respectively.
    Type: Grant
    Filed: September 21, 2011
    Date of Patent: October 22, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jae-Joo Shim, Han-Soo Kim, Won-Seok Cho, Jae-Hoon Jang, Sang-Yong Park
  • Patent number: 8557046
    Abstract: A deposition source capable of uniformly producing a deposition film. The deposition source includes a furnace, a first heating unit surrounding the furnace to heat the furnace and a second heating unit spaced-apart from the first heating unit by an interval and surrounding the furnace to heat the furnace, wherein the second heating unit comprises a plurality of separate sub-heating units that surround the furnace.
    Type: Grant
    Filed: April 29, 2010
    Date of Patent: October 15, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jong-Woo Lee, Tae-Seung Kim, Chang-Soon Ji, Won-Seok Cho, Hey-Yeon Shim, Yong-Hun Jo, Sang-Jin Han
  • Patent number: 8512473
    Abstract: A substrate centering device for an organic material deposition system comprises: a plurality of substrate support holders configured to be reciprocally movable in a facing direction within an organic material deposition chamber and supporting both side portions of a substrate loaded by a robot; a substrate centering unit configured to be reciprocally movable at each of the substrate support holders and centering the substrate by guiding both side portions of the substrate; and a plurality of substrate clampers configured to be reciprocally movable in a vertical direction at each of the substrate support holders, and clamping the substrate that has been centered by the substrate centering unit.
    Type: Grant
    Filed: September 14, 2010
    Date of Patent: August 20, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jae-Mork Park, You-Min Cha, Won-Seok Cho, Jae-Hong Ahn, Min-Jeong Hwang
  • Patent number: 8492831
    Abstract: A vertical non-volatile memory device is structured/fabricated to include a substrate, groups of memory cell strings each having a plurality of memory transistors distributed vertically so that the memory throughout multiple layers on the substrate, integrated word lines coupled to sets of the memory transistors, respectively, and stacks of word select lines. The memory transistors of each set are those transistors, of one group of the memory cell strings, which are disposed in the same layer above the substrate. The word select lines are respectively connected to the integrated word lines.
    Type: Grant
    Filed: December 14, 2009
    Date of Patent: July 23, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sung-min Hwang, Han-soo Kim, Won-seok Cho, Jae-hoon Jang, Sun-il Shim, Jae-hun Jeong, Ki-hyun Kim
  • Patent number: 8399308
    Abstract: A semiconductor device includes a semiconductor substrate including a first region having a cell region and a second region having a peripheral circuit region, first transistors on the semiconductor substrate, a first protective layer covering the first transistors, a first insulation layer on the first protective layer, a semiconductor pattern on the first insulation layer in the first region, second transistors on the semiconductor pattern, a second protective layer covering the second transistors, the second protective layer having a thickness greater than that of the first protective layer, and a second insulation layer on the second protective layer and the first insulation layer of the second region.
    Type: Grant
    Filed: September 19, 2011
    Date of Patent: March 19, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Young-Chul Jang, Won-Seok Cho, Jae-Hoon Jang, Soon-Moon Jung, Yang-Soo Son, Min-Sung Song
  • Publication number: 20130044545
    Abstract: A non-volatile memory device having a vertical structure includes a NAND string having a vertical structure. The NAND string includes a plurality of memory cells, and at least one pair of first selection transistors arranged to be adjacent to a first end of the plurality of memory cells. A plurality of word lines are coupled to the plurality of memory cells of the NAND string. A first selection line is commonly connected to the at least one pair of first selection transistors of the NAND string.
    Type: Application
    Filed: October 23, 2012
    Publication date: February 21, 2013
    Inventors: Jae-hun Jeong, Han-soo Kim, Won-seok Cho, Jae-hoon Jang, Sun-il Shim
  • Patent number: 8343812
    Abstract: On embodiment of a contact structure may include a lower insulation layer on a lower substrate, an upper substrate on the lower insulation layer, a groove penetrating the upper substrate to extend into the lower insulation layer, the groove below an interface between the upper substrate and the lower insulation layer, an upper insulation layer in the groove, and a contact plug penetrating the upper insulation layer in the groove to extend into the lower insulation layer.
    Type: Grant
    Filed: August 5, 2011
    Date of Patent: January 1, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Min-Sung Song, Soon-Moon Jung, Han-Soo Kim, Young-Seop Rah, Won-Seok Cho, Yang-Soo Son, Jong-Hyuk Kim, Young-Chul Jang
  • Patent number: 8324675
    Abstract: A flash memory device having a vertical channel structure. The flash memory device includes a substrate having a surface that extends in a first direction, a channel region having a pillar shape and extending from the substrate in a second direction that is perpendicular to the first direction, a gate dielectric layer formed around the channel region, a memory cell string comprising a plurality of transistors sequentially formed around the channel region in the second direction, wherein the gate dielectric layer is disposed between the plurality of transistors and the channel region, and a bit line connected to one of the plurality of transistors, and surrounding a side wall and an upper surface of one end of the channel region so as to directly contact the channel region.
    Type: Grant
    Filed: December 22, 2009
    Date of Patent: December 4, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hui-chang Moon, Han-soo Kim, Won-seok Cho, Jae-hoon Jang, Ki-hyun Kim
  • Patent number: 8295089
    Abstract: A non-volatile memory device having a vertical structure includes a NAND string having a vertical structure. The NAND string includes a plurality of memory cells, and at least one pair of first selection transistors arranged to be adjacent to a first end of the plurality of memory cells. A plurality of word lines are coupled to the plurality of memory cells of the NAND string. A first selection line is commonly connected to the at least one pair of first selection transistors of the NAND string.
    Type: Grant
    Filed: February 2, 2010
    Date of Patent: October 23, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jae-hun Jeong, Han-soo Kim, Won-seok Cho, Jae-hoon Jang, Sun-il Shim
  • Publication number: 20120077320
    Abstract: A semiconductor device includes a semiconductor pattern on a substrate, gate structures on sidewalls of the semiconductor pattern, the gate structures being spaced apart from one another, insulating interlayers among the gate structures, wherein an uppermost insulating interlayer is lower than an upper face of the semiconductor pattern, a common source line contacting the substrate and protruding above the uppermost insulating interlayer, an etch stop layer pattern on the semiconductor pattern and on the common source line wherein the common source line protrudes above the uppermost insulating interlayer, an additional insulating interlayer on the uppermost insulating interlayer, and contact plugs extending through the additional insulating interlayer so as to make contact with the semiconductor pattern and the common source line, respectively.
    Type: Application
    Filed: September 21, 2011
    Publication date: March 29, 2012
    Inventors: Jae-Joo SHIM, Han-Soo KIM, Won-Seok CHO, Jae-Hoon JANG, Sang-Yong PARK
  • Publication number: 20120009767
    Abstract: A semiconductor device includes a semiconductor substrate including a first region having a cell region and a second region having a peripheral circuit region, first transistors on the semiconductor substrate, a first protective layer covering the first transistors, a first insulation layer on the first protective layer, a semiconductor pattern on the first insulation layer in the first region, second transistors on the semiconductor pattern, a second protective layer covering the second transistors, the second protective layer having a thickness greater than that of the first protective layer, and a second insulation layer on the second protective layer and the first insulation layer of the second region.
    Type: Application
    Filed: September 19, 2011
    Publication date: January 12, 2012
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Young-Chul JANG, Won-Seok Cho, Jae-Hoon Jang, Soon-Moon Jung, Yang-Soo Son, Min-Sung Song
  • Publication number: 20110287590
    Abstract: On embodiment of a contact structure may include a lower insulation layer on a lower substrate, an upper substrate on the lower insulation layer, a groove penetrating the upper substrate to extend into the lower insulation layer, the groove below an interface between the upper substrate and the lower insulation layer, an upper insulation layer in the groove, and a contact plug penetrating the upper insulation layer in the groove to extend into the lower insulation layer.
    Type: Application
    Filed: August 5, 2011
    Publication date: November 24, 2011
    Inventors: Min-Sung Song, Soon-Moon Jung, Han-Soo Kim, Young-Seop Rah, Won-Seok Cho, Yang-Soo Son, Jong-Hyuk KIm, Young-Chul Jang
  • Patent number: 8034668
    Abstract: A semiconductor device includes a semiconductor substrate including a first region having a cell region and a second region having a peripheral circuit region, first transistors on the semiconductor substrate, a first protective layer covering the first transistors, a first insulation layer on the first protective layer, a semiconductor pattern on the first insulation layer in the first region, second transistors on the semiconductor pattern, a second protective layer covering the second transistors, the second protective layer having a thickness greater than that of the first protective layer, and a second insulation layer on the second protective layer and the first insulation layer of the second region.
    Type: Grant
    Filed: October 8, 2009
    Date of Patent: October 11, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Young-Chul Jang, Won-Seok Cho, Jae-Hoon Jang, Soon-Moon Jung, Yang-Soo Son, Min-Sung Song
  • Publication number: 20110227141
    Abstract: A memory device having a vertical channel structure is disclosed. The memory device includes a plurality of gate lines extending substantially parallel to one another along a surface of a substrate, and a connection unit electrically connecting the plurality of gate lines. The connection unit includes a first portion laterally extending along the surface of the substrate, a second portion extending substantially perpendicular to the surface of the substrate, and a supporting insulating layer extending in a cavity defined by the first and second portions of the connection unit. Related fabrication methods are also discussed.
    Type: Application
    Filed: March 15, 2011
    Publication date: September 22, 2011
    Inventors: Jae-hun Jeong, Han-soo Kim, Won-seok Cho, Jae-hoon Jang
  • Publication number: 20110073042
    Abstract: A substrate centering device for an organic material deposition system comprises: a plurality of substrate support holders configured to be reciprocally movable in a facing direction within an organic material deposition chamber and supporting both side portions of a substrate loaded by a robot; a substrate centering unit configured to be reciprocally movable at each of the substrate support holders and centering the substrate by guiding both side portions of the substrate; and a plurality of substrate clampers configured to be reciprocally movable in a vertical direction at each of the substrate support holders, and clamping the substrate that has been centered by the substrate centering unit.
    Type: Application
    Filed: September 14, 2010
    Publication date: March 31, 2011
    Applicant: Samsung Mobile Display Co., Ltd.
    Inventors: Jae-Mork Park, You-Min Cha, Won-Seok Cho, Jae-Hong Ahn, Min-Jeong Hwang
  • Publication number: 20110024816
    Abstract: A flash memory device having a vertical channel structure. The flash memory device includes a substrate having a surface that extends in a first direction, a channel region having a pillar shape and extending from the substrate in a second direction that is perpendicular to the first direction, a gate dielectric layer formed around the channel region, a memory cell string comprising a plurality of transistors sequentially formed around the channel region in the second direction, wherein the gate dielectric layer is disposed between the plurality of transistors and the channel region, and a bit line connected to one of the plurality of transistors, and surrounding a side wall and an upper surface of one end of the channel region so as to directly contact the channel region.
    Type: Application
    Filed: December 22, 2009
    Publication date: February 3, 2011
    Inventors: Hui-chang Moon, Han-soo Kim, Won-seok Cho, Jae-hoon Jang, Ki-hyun Kim