Patents by Inventor In Hwan Yeo

In Hwan Yeo 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: 9548309
    Abstract: Semiconductor devices including a dummy gate structure on a fin are provided. A semiconductor device includes a fin protruding from a substrate. The semiconductor device includes a source/drain region in the fin, and a recess region of the fin that is between first and second portions of the source/drain region. Moreover, the semiconductor device includes a dummy gate structure overlapping the recess region, and a spacer that is on the fin and adjacent a sidewall of the dummy gate structure.
    Type: Grant
    Filed: February 18, 2016
    Date of Patent: January 17, 2017
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sang-Jine Park, Kee-Sang Kwon, Do-Hyoung Kim, Bo-Un Yoon, Keun-Hee Bai, Kwang-Yong Yang, Kyoung-Hwan Yeo, Yong-Ho Jeon
  • Publication number: 20160349499
    Abstract: An electrowetting display device includes a first substrate comprising a wall pattern surrounding a pixel electrode disposed in a display area of the first substrate, a spaced apart second substrate comprising a common electrode and a dam member disposed in a peripheral area surrounding the display area. The dam member has sealable openings (a.k.a. sealable dam spillways) through which there is discharged an excess portion of an excessively supplied wetting layer, the discharge of the excess occurring while the first and second substrates are brought together about top and bottom portions of a sealing ring that seals them together.
    Type: Application
    Filed: August 11, 2016
    Publication date: December 1, 2016
    Inventors: Dong-Hwan KIM, Sung-Ku BAEK, Gil-Hwan YEO, Tae-Woon CHA, Gyung-Mo TAHK
  • Patent number: 9485857
    Abstract: A flat panel display apparatus for reducing a bezel size and a method for manufacturing the same. The flat panel display apparatus includes a lower substrate having a display area and a peripheral area surrounding the display area, an upper substrate corresponding to the lower substrate, a sealing member disposed along the peripheral area of the lower substrate and bonding the lower substrate and the upper substrate, a first flexible layer disposed on a surface of the lower substrate in a direction facing the upper substrate, in the peripheral area of the lower substrate, the first flexible layer extending to an outside of the lower substrate, and a first wiring disposed between the lower substrate and the sealing member and extending to the outside of the lower substrate and along the first flexible layer.
    Type: Grant
    Filed: December 19, 2013
    Date of Patent: November 1, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Dae-Jin Park, Bum-Soo Kam, Ha-Young Park, Gil-Hwan Yeo
  • Publication number: 20160308008
    Abstract: Provided is a semiconductor device with a field effect transistor. The semiconductor device includes a substrate, an active pattern on the substrate, a gate electrode crossing the active pattern and a capping structure on the gate electrode. The capping structure includes first and second capping patterns that are sequentially stacked on the gate electrode. The second capping pattern completely covers a top surface of the first capping pattern, and a dielectric constant of the second capping pattern is greater than that of the first capping pattern.
    Type: Application
    Filed: March 3, 2016
    Publication date: October 20, 2016
    Inventors: KYOUNG HWAN YEO, Seonguk Park, Seungjae Lee, Doyoung Choi, Sunhom Steve Paak, Tae Eung Yoon, Dongho Cha, Ruiyi Chen
  • Publication number: 20160307890
    Abstract: Provided is a semiconductor device with a field effect transistor. The semiconductor device may include a substrate including an active pattern, a separation structure crossing the active pattern and dividing the active pattern into first and second region. The separation structure may include a first insulating pattern that fills a recess region between the first and second regions. The first insulating pattern may have a concave top surface.
    Type: Application
    Filed: March 3, 2016
    Publication date: October 20, 2016
    Inventors: Kyoung Hwan Yeo, KeunHee Bai, Seungseok Ha, Eunsil Park, Sunhom Steve Paak, Heonjong Shin, Dongho Cha
  • Publication number: 20160268414
    Abstract: Semiconductor devices are provided including a first active fin extending in a first direction and a second active fin spaced apart from the first active fin in a second direction perpendicular to the first direction, the second active fin extending in the first direction, the second active fin having a longer side shorter than a length of a longer side of the first active fin. A first dummy gate extends in the second direction overlapping a first end of each of the first and second active fins. A first metal gate extends in the second direction intersecting the first active fin and overlapping a second end of the second active fin. A first insulating gate extends in the second direction intersecting the first active fin. The first insulating gate extends into the first active fin.
    Type: Application
    Filed: January 19, 2016
    Publication date: September 15, 2016
    Inventors: Sang-Jine PARK, Keun-Hee BAI, Kyoung-Hwan YEO, Bo-Un YOON, Kee-Sang KWON, Do-Hyoung KIM, Ha-Young JEON, Seung-Seok HA
  • Patent number: 9442284
    Abstract: An electrowetting display device includes a first substrate comprising a wall pattern surrounding a pixel electrode disposed in a display area of the first substrate, a spaced apart second substrate comprising a common electrode and a dam member disposed in a peripheral area surrounding the display area. The dam member has sealable openings (a.k.a. sealable dam spillways) through which there is discharged an excess portion of an excessively supplied wetting layer, the discharge of the excess occurring while the first and second substrates are brought together about top and bottom portions of a sealing ring that seals them together.
    Type: Grant
    Filed: October 19, 2012
    Date of Patent: September 13, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Dong-Hwan Kim, Sung-Ku Baek, Gil-Hwan Yeo, Tae-Woon Cha, Gyung-Mo Tahk
  • Publication number: 20160181425
    Abstract: There is provided a method for manufacturing a semiconductor device including a substrate including a plurality of active regions, a plurality of gate electrodes extending in a first direction to intersect a portion of the plurality of active regions, and including first and second gate electrodes disposed to be adjacent to each other in the first direction, a gate isolation portion disposed between the first and second gate electrodes. The gate isolation portion includes a first layer and second layers disposed on both ends of the first layer in a second direction perpendicular to the first direction.
    Type: Application
    Filed: December 4, 2015
    Publication date: June 23, 2016
    Inventors: Keun Hee BAI, Kyoung Hwan YEO, Seung Seok HA, Seung Ju PARK, Do Hyoung KIM, Myeong Cheol KIM, Jae Hyoung KOO, Ki Byung PARK
  • Publication number: 20160163718
    Abstract: Semiconductor devices including a dummy gate structure on a fin are provided. A semiconductor device includes a fin protruding from a substrate. The semiconductor device includes a source/drain region in the fin, and a recess region of the fin that is between first and second portions of the source/drain region. Moreover, the semiconductor device includes a dummy gate structure overlapping the recess region, and a spacer that is on the fin and adjacent a sidewall of the dummy gate structure.
    Type: Application
    Filed: February 18, 2016
    Publication date: June 9, 2016
    Inventors: Sang-Jine Park, Kee-Sang Kwon, Do-Hyoung Kim, Bo-Un Yoon, Keun-Hee Bai, Kwang-Yong Yang, Kyoung-Hwan Yeo, Yong-Ho Jeon
  • Publication number: 20160139629
    Abstract: A portable display device may include a display unit configured to display an image, the display unit including: a first display portion configured to display an image; a second display portion configured to display an image, the second display portion disposed spaced apart from the first display portion; and a connection portion configured to connect to the first display portion and the second display portion to each other; and an input unit configured to slide into and out from the display unit, wherein one of the first display portion and the second display portion is configured to rotate around the connection portion, and the first display portion and the second display portion configured to form an expanded display portion.
    Type: Application
    Filed: April 22, 2015
    Publication date: May 19, 2016
    Inventor: Gil Hwan YEO
  • Patent number: 9299700
    Abstract: Semiconductor devices including a dummy gate structure on a fin are provided. A semiconductor device includes a fin protruding from a substrate. The semiconductor device includes a source/drain region in the fin, and a recess region of the fin that is between first and second portions of the source/drain region. Moreover, the semiconductor device includes a dummy gate structure overlapping the recess region, and a spacer that is on the fin and adjacent a sidewall of the dummy gate structure.
    Type: Grant
    Filed: March 5, 2015
    Date of Patent: March 29, 2016
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sang-Jine Park, Kee-Sang Kwon, Do-Hyoung Kim, Bo-Un Yoon, Keun-Hee Bai, Kwang-Yong Yang, Kyoung-Hwan Yeo, Yong-Ho Jeon
  • Patent number: 9228349
    Abstract: Disclosed is a method of enhancing fire resistance of high-strength concrete by mixing a spalling reducer (fiber cocktail) into the concrete to control spalling and performing shear reinforcement of main steel bars using shear stiffeners based on a wire rope and spacers.
    Type: Grant
    Filed: September 5, 2013
    Date of Patent: January 5, 2016
    Assignee: KOREA INSTITUTE OF CONSTRUCTION TECHNOLOGY
    Inventors: Heung-Youl Kim, Hyung-Jun Kim, In-Hwan Yeo, Bum-Yean Cho, Jong-Uk Song, Dae-Bong Ju
  • Publication number: 20150325575
    Abstract: Semiconductor devices including a dummy gate structure on a fin are provided. A semiconductor device includes a fin protruding from a substrate. The semiconductor device includes a source/drain region in the fin, and a recess region of the fin that is between first and second portions of the source/drain region. Moreover, the semiconductor device includes a dummy gate structure overlapping the recess region, and a spacer that is on the fin and adjacent a sidewall of the dummy gate structure.
    Type: Application
    Filed: March 5, 2015
    Publication date: November 12, 2015
    Inventors: Sang-Jine Park, Kee-Sang Kwon, Do-Hyoung Kim, Bo-Un Yoon, Keun-Hee Bai, Kwang-Yong Yang, Kyoung-Hwan Yeo, Yong-Ho Jeon
  • Patent number: 9177841
    Abstract: An exemplary embodiment of the present invention discloses a coating apparatus including a stage configured to receive a substrate and a coating slit part. The coating slit part includes a guide member, a first body, a second body, and a discharge nozzle. The coating slit part is configured to dispose a coating material on the substrate.
    Type: Grant
    Filed: September 21, 2012
    Date of Patent: November 3, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Gil-Hwan Yeo, Dong-Hwan Kim, Sung-Ku Baek, Chan-Uk Jon, Il-Sup Choi
  • Patent number: 8978340
    Abstract: Provided is a method for fire-proofing a composite slab constructed of beams installed between columns, a deck plate installed between the beams and slab concrete poured on the beams and the deck plate using a wire rope. Fire-proofing performance of the composite slab manufactured according to the present invention can be enhanced by transferring the load transferred from the deck plate to the upper portion of the beam via the wire rope.
    Type: Grant
    Filed: November 15, 2013
    Date of Patent: March 17, 2015
    Assignee: Korea Institute of Construction Technology
    Inventors: Heung-Youl Kim, In-Hwan Yeo, Hyung-Jun Kim, Kyung-Hoon Park, Oh-Sang Kweon
  • Publication number: 20150029684
    Abstract: A flat panel display apparatus for reducing a bezel size and a method for manufacturing the same. The flat panel display apparatus includes a lower substrate having a display area and a peripheral area surrounding the display area, an upper substrate corresponding to the lower substrate, a sealing member disposed along the peripheral area of the lower substrate and bonding the lower substrate and the upper substrate, a first flexible layer disposed on a surface of the lower substrate in a direction facing the upper substrate, in the peripheral area of the lower substrate, the first flexible layer extending to an outside of the lower substrate, and a first wiring disposed between the lower substrate and the sealing member and extending to the outside of the lower substrate and along the first flexible layer.
    Type: Application
    Filed: December 19, 2013
    Publication date: January 29, 2015
    Applicant: Samsung Display Co., Ltd.
    Inventors: Dae-Jin PARK, Bum-Soo KAM, Ha-Young PARK, Gil-Hwan YEO
  • Publication number: 20140144101
    Abstract: Provided is a method for fire-proofing a composite slab constructed of beams installed between columns, a deck plate installed between the beams and slab concrete poured on the beams and the deck plate using a wire rope. Fire-proofing performance of the composite slab manufactured according to the present invention can be enhanced by transferring the load transferred from the deck plate to the upper portion of the beam via the wire rope.
    Type: Application
    Filed: November 15, 2013
    Publication date: May 29, 2014
    Applicant: KOREA INSTITUTE OF CONSTRUCTION TECHNOLOGY
    Inventors: HEUNG-YOUL KIM, IN-HWAN YEO, HYUNG-JUN KIM, KYUNG-HOON PARK, OH-SANG KWEON
  • Patent number: 8680588
    Abstract: A field effect transistor includes a buried gate pattern that is electrically isolated by being surrounded by a tunneling insulating film. The field effect transistor also includes a channel region that is floated by source and drain regions, a gate insulating film, and the tunneling insulating film. The buried gate pattern and the tunneling insulating film extend into the source and drain regions. Thus, the field effect transistor efficiently stores charge carriers in the buried gate pattern and the floating channel region.
    Type: Grant
    Filed: February 26, 2008
    Date of Patent: March 25, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Ming Li, Dong-Uk Choi, Chang-Woo Oh, Dong-Won Kim, Min-Sang Kim, Sung-Hwan Kim, Kyoung-Hwan Yeo
  • Publication number: 20140068946
    Abstract: Disclosed is a method of enhancing fire resistance of high-strength concrete by mixing a spalling reducer (fiber cocktail) into the concrete to control spalling and performing shear reinforcement of main steel bars using shear stiffeners based on a wire rope and spacers.
    Type: Application
    Filed: September 5, 2013
    Publication date: March 13, 2014
    Applicant: KOREA INSTITUTE OF CONSTRUCTION TECHNOLOGY
    Inventors: HEUNG-YOUL KIM, HYUNG-JUN KIM, IN-HWAN YEO, BUM-YEAN CHO, JONG-UK SONG, DAE-BONG JU
  • Publication number: 20130342889
    Abstract: An electrowetting display device includes a first substrate comprising a wall pattern surrounding a pixel electrode disposed in a display area of the first substrate, a spaced apart second substrate comprising a common electrode and a dam member disposed in a peripheral area surrounding the display area. The dam member has sealable openings (a.k.a. sealable dam spillways) through which there is discharged an excess portion of an excessively supplied wetting layer, the discharge of the excess occurring while the first and second substrates are brought together about top and bottom portions of a sealing ring that seals them together.
    Type: Application
    Filed: October 19, 2012
    Publication date: December 26, 2013
    Applicant: SAMSUNG DISPLAY CO., LTD.
    Inventors: Dong-Hwan KIM, Sung-Ku BAEK, Gil-Hwan YEO, Tae-Woon CHA, Gyung-Mo TAHK