Patents by Inventor Kyoung Hwan An

Kyoung Hwan An 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).

  • Publication number: 20200123289
    Abstract: The present invention provides a catalyst composition including a functionalizing agent of the following Formula 1 together with a rare earth metal compound, an alkylating agent, and a halogen compound, having good catalytic activity and polymerization reactivity and useful for the preparation of a conjugated diene-based polymer having high linearity and excellent processability, and a conjugated diene-based polymer prepared using the catalyst composition. (X1)a—N—(X2)3-a??[Formula 1] In Formula 1, a, X1, and X2 are the same as defined in the disclosure.
    Type: Application
    Filed: December 19, 2019
    Publication date: April 23, 2020
    Applicant: LG Chem, Ltd.
    Inventors: Suk Youn Kang, Hyo Jin Bae, Sung Ho Park, Jeong Heon Ahn, Ji Eun Kim, Kyoung Hwan Oh
  • Patent number: 10604602
    Abstract: The present invention relates to a neodymium compound represented by Formula 1 and a catalyst for diene polymerization including the same.
    Type: Grant
    Filed: August 23, 2017
    Date of Patent: March 31, 2020
    Assignee: LG CHEM, LTD.
    Inventors: Hyo Jin Bae, Kyoung Hwan Oh, Sae Young Yun, Jeong Heon Ahn, Woo Jin Cho
  • Publication number: 20200092516
    Abstract: A display driver circuit includes a source driver configured to output display data to data lines, a controller configured to control the source driver, based on a synchronization signal, and a frequency adjusting circuit configured to extend a first time interval of the synchronization signal from a first length to a second length, such that time interval in which the display data is not output to the data lines is extended, when second image data are not received from an external device during a reference time interval after first image data are received from the external device, and shorten the first time interval, from the second length to a third length, when an instruction is received from the external device after the first time interval is extended to the second length.
    Type: Application
    Filed: May 17, 2019
    Publication date: March 19, 2020
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Young-Bae Moon, Junho Park, Sang-Min Lee, Seongmin Cheon, Kyoung Hwan Kwon
  • Patent number: 10584312
    Abstract: The present invention relates to a method for isolating pluripotent/multipotent stem cells derived from umbilical cord blood, characterized by culturing mononuclear cells isolated from umbilical cord blood in a culture vessel containing fibronectin and then harvesting stem cells from the culture, the umbilical cord blood-derived pluripotent/multipotent stem cells isolated thereby; and a cell therapeutic agent containing the pluripotent/multipotent stem cells derived from umbilical cord blood or cells differentiated therefrom. The present invention also relates to a novel culture media for stem cells, a culture method for stem cells which is characterized by culturing and proliferating stem cells in the culture media, and a method for increasing sternness of stem cells which is characterized by a sphere culture or a three-dimensional culture of stem cells.
    Type: Grant
    Filed: March 3, 2010
    Date of Patent: March 10, 2020
    Assignee: SNU R&DB FOUNDATION
    Inventors: Kyung Sun Kang, Kyoung Hwan Roh
  • Patent number: 10566326
    Abstract: Semiconductor devices are provided. A semiconductor device includes a semiconductor substrate. The semiconductor device includes first and second source/drain regions in the semiconductor substrate. Moreover, the semiconductor device includes a multi-layer device isolation region in the semiconductor substrate between the first and second source/drain regions. The multi-layer device isolation region includes a protruding portion that protrudes away from the semiconductor substrate beyond respective uppermost surfaces of the first and second source/drain regions.
    Type: Grant
    Filed: July 6, 2017
    Date of Patent: February 18, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Dae Young Kwak, Ki Byung Park, Kyoung Hwan Yeo, Seung Jae Lee, Kyung Yub Jeon, Seung Seok Ha, Sang Jin Hyun
  • Patent number: 10560988
    Abstract: The present disclosure provides a display module and a method for coating the same, which can prevent and/or reduce the occurrence of black seam between display modules that are arranged adjacent to each other. According to an example aspect of the present disclosure, a display module includes a printed circuit board; a plurality of luminous elements arranged at predetermined intervals on the printed circuit board; and a coating layer comprising a coating disposed between the respective luminous elements, disposed around side surfaces of the respective luminous elements positioned at an outermost, and formed to have a height that is substantially equal to a height of the side surfaces of the luminous elements, the coating being configured to block side light of the respective luminous elements.
    Type: Grant
    Filed: February 27, 2019
    Date of Patent: February 11, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jung-min Kim, Ho-seong Shin, Kyoung-hwan Jang
  • Patent number: 10556976
    Abstract: The present invention provides a catalyst composition including a functionalizing agent of the following Formula 1 together with a rare earth metal compound, an alkylating agent, and a halogen compound, having good catalytic activity and polymerization reactivity and useful for the preparation of a conjugated diene-based polymer having high linearity and excellent processability, and a conjugated diene-based polymer prepared using the catalyst composition. (X1)a—N—(X2)3-a??[Formula 1] In Formula 1, a, X1, and X2 are the same as defined in the disclosure.
    Type: Grant
    Filed: June 24, 2016
    Date of Patent: February 11, 2020
    Assignee: LG Chem, Ltd.
    Inventors: Suk Youn Kang, Hyo Jin Bae, Sung Ho Park, Jeong Heon Ahn, Ji Eun Kim, Kyoung Hwan Oh
  • Patent number: 10551326
    Abstract: A method for measuring a semiconductor device is provided. A method for measuring a semiconductor device includes defining an interest area and an acceptable area in a chip area on a wafer; performing a first measurement of the chip area with a spectral imaging device to acquire spectrum data of the chip area; assuming the distribution of the spectrum data of a first pixel in the acceptable area is a normal distribution; calculating a distance from a central point on the normal distribution to second pixels in the interest area; selecting a position of a second pixel having a distance from the central point on the normal distribution greater than a predetermined range, among the second pixels, as a candidate position; and performing a second measurement of the candidate position.
    Type: Grant
    Filed: December 27, 2017
    Date of Patent: February 4, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hyo Hyeong Kang, Kang Woong Ko, Sung Yoon Ryu, Gil Woo Song, Jae Hyung Ahn, Chul Hyung Yoo, Kyoung Hwan Lee, Sung Ho Jang, Yong Ju Jeon, Hyoung Jo Jeon
  • Patent number: 10538607
    Abstract: The present invention provides a catalyst composition including a functionalizing agent of the following Formula 1 together with a rare earth metal compound, an alkylating agent, and a halogen compound, having good catalytic activity and polymerization reactivity and useful for the preparation of a conjugated diene-based polymer having high linearity and excellent processability, and a conjugated diene-based polymer prepared using the catalyst composition. (X1)a-M1-([Y-M2-(X2)n-1])m-a??[Formula 1] In Formula 1, a, m, n, M1, M2, X1, X2 and Y are the same as defined in the disclosure.
    Type: Grant
    Filed: June 24, 2016
    Date of Patent: January 21, 2020
    Assignee: LG Chem, Ltd.
    Inventors: Suk Youn Kang, Hyo Jin Bae, Kyoung Hwan Oh, Woo Jin Cho, Jeong Heon Ahn, Sung Hyun Park
  • Publication number: 20190389987
    Abstract: A method for preparing a modified conjugated diene-based polymer having excellent compounding properties and improved processability is disclosed herein. According to the method, a first polymer including a functional group is prepared using a modifier represented by Formula 1, and the first polymer is mixed with a sulfur halide. A modified conjugated diene-based polymer having excellent affinity with a filler, excellent compounding properties such as tensile properties and viscoelasticity properties, and excellent compounding processability, may be prepared.
    Type: Application
    Filed: July 26, 2018
    Publication date: December 26, 2019
    Applicant: LG Chem, Ltd.
    Inventors: Hee Jung Jeon, Kyoung Hwan Oh, Jeong Heon Ahn, Suk Youn Kang
  • Publication number: 20190385915
    Abstract: A semiconductor device includes a substrate including at least a first region, first active patterns and a first dummy pattern which vertically protrude from the first region, a device isolation layer filling a first trench, a second trench and a third trench of the substrate, and a gate electrode intersecting the first active patterns. The first trench defines the first active patterns on the first region, the second trench defines a first sidewall of the first region, and the third trench defines a second sidewall of the first region, which is opposite to the first sidewall. A sidewall of the first dummy pattern is aligned with the second sidewall of the first region, and a level of a top of the second sidewall of the first region is higher than a level of a top of the first sidewall of the first region.
    Type: Application
    Filed: January 16, 2019
    Publication date: December 19, 2019
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Youngmin PARK, Kyoung Hwan YEO, Jong Mil YOUN, Hwasung RHEE
  • Publication number: 20190339559
    Abstract: Provided is a display apparatus including a bezel that is improved to prevent electrostatic discharge (ESD). The display apparatus includes a display panel on which an image is to be displayed, a chassis arranged at a rear side of the display panel and including a conductive material, a bezel configured to support the display panel and including a non-conductive material, and an adhesive including a conductive material and coated on an inner side surface of the bezel such that static electricity is guided away from being discharged toward an inside of the display apparatus.
    Type: Application
    Filed: May 2, 2019
    Publication date: November 7, 2019
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Kyoung Hwan KIM, Do Wan KIM, Myeong Gil KIM, Min Chul KIM, Boum Sik KIM, Tae Youn YOON, Sang Min LEE, Hyun Jun JUNG, Hye Ryung HWANG
  • Publication number: 20190326158
    Abstract: An integrated circuit device includes a substrate having a first region and a second region, a first fin-isolation insulating portion in each of the first region and the second region and having a first width in a first direction, a pair of fin-type active regions spaced apart from each other in each of the first region and the second region with the first fin-isolation insulating portion therebetween, and extending in a straight line in the first direction, a pair of second fin-isolation insulating portions contacting, in each of the first region and the second region, two side walls of the first fin-isolation insulating portion, respectively, each of the two side walls facing the opposite sides in the first direction, and a plurality of gate structures extending in the second direction and comprising a plurality of dummy gate structures.
    Type: Application
    Filed: October 19, 2018
    Publication date: October 24, 2019
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Jae-yup Chung, II-ryong Kim, Ju-youn Kim, Jin-wook Kim, Kyoung-hwan Yeo, Yong-gi Jeong
  • Publication number: 20190319027
    Abstract: An integrated circuit device includes a substrate from which a plurality of fin-type active regions protrude, the plurality of fin-type active regions extending in parallel to one another in a first direction, and a plurality of gate structures and a plurality of fin-isolation insulating portions extending on the substrate in a second direction crossing the first direction and at a constant pitch in the first direction, wherein a pair of fin-isolation insulating portions from among the plurality of fin-isolation insulating portions are between a pair of gate structures from among the plurality of gate structures, and the plurality of fin-type active regions include a plurality of first fin-type regions and a plurality of second fin-type regions.
    Type: Application
    Filed: October 25, 2018
    Publication date: October 17, 2019
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Jae-yup CHUNG, II-ryong KIM, Ju-youn KIM, Jin-wook KIM, Kyoung-hwan YEO, Yong-gi JEONG
  • Patent number: 10446561
    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: August 29, 2018
    Date of Patent: October 15, 2019
    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: 20190312130
    Abstract: An integrated circuit device includes a substrate including a first device region and a second device region; a first fin separation insulating portion on the first device region; a pair of first fin-type active regions spaced from each other with the first fin separation insulating portion therebetween in the first device region and collinearly extending in a first horizontal direction; a second fin separation insulating portion extending in a second horizontal direction over the first device region and the second device region; and a pair of second fin-type active regions spaced from each other with the second fin separation insulating portion therebetween and collinearly extending in the first horizontal direction, wherein the first fin separation insulating portion and the second fin separation insulating portion vertically overlap each other.
    Type: Application
    Filed: October 22, 2018
    Publication date: October 10, 2019
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Min-seong Lee, Il-ryong Kim, Kyoung-hwan Yeo, Jae-yup Chung
  • Publication number: 20190312034
    Abstract: An integrated circuit device includes a first fin separation insulating portion over the first device region; a pair of first fin-type active regions apart from each other with the first fin separation insulating portion therebetween and collinearly extending in a first horizontal direction; a first dummy gate structure vertically overlapping the first fin separation insulating portion; a second fin separation insulating portion apart from the first fin separation insulating portion and arranged over the second device region; and a plurality of second fin-type active regions apart from each other with the second fin separation insulating portion therebetween in the second device region and collinearly extending in the first horizontal direction, wherein a vertical level of a lowermost surface of the second fin separation insulating portion is equal to or lower than a vertical level of a lowermost surface of the first fin separation insulating portion.
    Type: Application
    Filed: October 23, 2018
    Publication date: October 10, 2019
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Min-seong LEE, Ju-youn KIM, Ji-hoon YOON, II-ryong KIM, Kyoung-hwan YEO, Jae-yup CHUNG
  • Patent number: 10382672
    Abstract: An image capturing apparatus and method are provided. The image capturing apparatus includes an image capturing unit including a camera, the image capturing unit configured to capture an image, and a controller connected to the image capturing unit. The controller is configured to set a position of a focus lens at a distance at which an object of the image to be captured is predicted to be positioned, to measure a movement speed of the object of the image to be captured, to determine an image capturing time by predicting a time until the object reaches the set position of the focus lens based on the measured movement speed, and to control the image capturing unit to capture the image of the object at the determined image capturing time.
    Type: Grant
    Filed: April 4, 2016
    Date of Patent: August 13, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Kyoung-hwan Moon, Jin-min Bang, Tae-wook Nam
  • Publication number: 20190246076
    Abstract: Provided is a vehicle driving assistant device, including: a sensor module; a camera module which photographs images; and a control module which calculates a gradient value of a ground where a vehicle is located based on a first center axis value measured by the sensor module when a front side of the vehicle is located in a first direction after being mounted and a second center axis value measured by the sensor module when the front side of the vehicle is located in a second direction which is opposite to the first direction and determines an effective area for following an object in the image based on a center axis fixing error value of the sensor module calculated using at least one of the first and second center axis values and the gradient value.
    Type: Application
    Filed: July 12, 2017
    Publication date: August 8, 2019
    Inventors: Kyoung Hwan CHA, Jong Hoon LIM
  • Publication number: 20190200422
    Abstract: The present disclosure provides a display module and a method for coating the same, which can prevent and/or reduce the occurrence of black seam between display modules that are arranged adjacent to each other. According to an example aspect of the present disclosure, a display module includes a printed circuit board; a plurality of luminous elements arranged at predetermined intervals on the printed circuit board; and a coating layer comprising a coating disposed between the respective luminous elements, disposed around side surfaces of the respective luminous elements positioned at an outermost, and formed to have a height that is substantially equal to a height of the side surfaces of the luminous elements, the coating being configured to block side light of the respective luminous elements.
    Type: Application
    Filed: February 27, 2019
    Publication date: June 27, 2019
    Inventors: Jung-min KIM, Ho-seong SHIN, Kyoung-hwan JANG