Patents by Inventor Chang-Yeon Kim

Chang-Yeon Kim 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: 10478139
    Abstract: A cooling system of a computed tomography (CT) system provides for a more efficient operation than known heretofore. The cooling system of the CT system includes a gantry and a table that moves an object into a bore of the gantry. The gantry includes part boxes mounted therein, and blade elements are formed in regions of the part boxes. The cooling system of the CT system includes a cooling method that includes a multiple cooling method including a stand-by mode and an operating mode.
    Type: Grant
    Filed: January 21, 2016
    Date of Patent: November 19, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Alexander Yun, Sung-ki Kim, Jeong-min Na, Il Seong, Chang-yeon Won, Tae-sik Cho
  • Patent number: 10456707
    Abstract: The present invention relates to a reactor, and according to one aspect of the present invention, there is provided a reactor comprising a housing provided with a reaction space, a tube disposed inside the housing, an impeller provided inside the housing to allow reactants in the reaction space to flow into and out of the tube and a nozzle provided to spray a liquid from the reaction space toward the housing wall surface side.
    Type: Grant
    Filed: November 16, 2016
    Date of Patent: October 29, 2019
    Assignee: LG CHEM, LTD.
    Inventors: Dae Hun Kim, Jun Won Choi, Seung Hyun Yoon, Ye Hoon Im, Chang Hoon Kang, Myeong Yeon Keum, Seong Gu Kim
  • Patent number: 10454099
    Abstract: A positive active material for a rechargeable lithium battery and a rechargeable lithium battery including the same are disclosed. The positive active material includes a core including a lithium intercalation compound and a crystalline coating compound on a surface of the core and including a crystalline aluminum hydroxide, a crystalline aluminum oxyhydroxide, or a combination thereof.
    Type: Grant
    Filed: June 5, 2017
    Date of Patent: October 22, 2019
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Young-hun Lee, Ji-Yeon Jang, Soon-Kie Hong, Young-Ki Kim, Soon-Rewl Lee, Ick-Kyu Choi, Ji-Hyun Kim, Soo-Youn Park, Hyun-Joo Je, Chang-Wook Kim, Kyu-Suk Han
  • Patent number: 10446760
    Abstract: Disclosed are an organic compound represented by formula 1, an organic optoelectric diode applying the organic compound, and a display device comprising the organic optoelectric diode.
    Type: Grant
    Filed: April 8, 2015
    Date of Patent: October 15, 2019
    Assignee: SAMSUNG SDI CO., LTD.
    Inventors: Chang-Ju Shin, Dong-Wan Ryu, Eun-Sun Yu, Han-Ill Lee, Chun-Keun Jang, Sung-Hyun Jung, Ju-Yeon Jung, Jin-Seok Hong, Bo-Hyung Kim, Chang-Woo Kim
  • Patent number: 10428940
    Abstract: Disclosed is a hydraulic pressure supply system of a dual clutch transmission for a vehicle in which by independently configuring a low pressure supply route and a high pressure supply route, the hydraulic pressure supply system can enable a low hydraulic pressure that is generated in a hydraulic pump for a low pressure to be supplied to a gear lubrication device and a clutch cooling/lubrication device and enable a low hydraulic pressure that is generated in a hydraulic pump for a high pressure to be supplied to a gear control device and a clutch control device.
    Type: Grant
    Filed: December 13, 2016
    Date of Patent: October 1, 2019
    Assignee: Hyundai Motor Company
    Inventors: Yong Uk Shin, Hyun Chul Kim, Woochurl Son, Chang Yeon Cho, Woo Jin Chang, Wonmin Cho, Hyu Tae Shim
  • Publication number: 20190297331
    Abstract: The present invention discloses an encoding apparatus using a Discrete Cosine Transform (DCT) scanning, which includes a mode selection means for selecting an optimal mode for intra prediction; an intra prediction means for performing intra prediction onto video inputted based on the mode selected in the mode selection means; a DCT and quantization means for performing DCT and quantization onto residual coefficients of a block outputted from the intra prediction means; and an entropy encoding means for performing entropy encoding onto DCT coefficients acquired from the DCT and quantization by using a scanning mode decided based on pixel similarity of the residual coefficients.
    Type: Application
    Filed: June 12, 2019
    Publication date: September 26, 2019
    Applicants: Electronics and Telecommunications Research Institute, Kwangwoon University Research Institute for Industry Cooperation, Industry-Academia Cooperation Group of Sejong University
    Inventors: Se-Yoon JEONG, Hae-Chul CHOI, Jeong-Il SEO, Seung-Kwon BEACK, In-Seon JANG, Jae-Gon KIM, Kyung-Ae MOON, Dae-Young JANG, Jin-Woo HONG, Jin-Woong KIM, Yung-Lyul LEE, Dong-Gyu SIM, Seoung-Jun OH, Chang-Beom AHN, Dae-Yeon KIM, Dong-Kyun KIM
  • Publication number: 20190288228
    Abstract: An organic light emitting display device comprises two emission portions between first and second electrodes, wherein at least one among the two emission portions includes two emitting layers, whereby efficiency and a color reproduction ratio may be improved.
    Type: Application
    Filed: May 24, 2019
    Publication date: September 19, 2019
    Applicant: LG Display Co., Ltd.
    Inventors: Sung Hoon PIEH, Chang Wook HAN, Hong Seok CHOI, Ki-Woog SONG, So Yeon AHN, Seung Hyun KIM
  • Publication number: 20190273181
    Abstract: A light emitting diode includes: a first conductivity type semiconductor layer; a mesa including an active layer and a second conductivity type semiconductor layer, the mesa having a groove disposed under some region of the first conductivity type semiconductor layer to expose an edge of the first conductivity type semiconductor layer, the groove exposing the first conductivity type semiconductor layer; a first electrode including a first contact portion electrically connected to the first conductivity type semiconductor layer through the groove; a second electrode disposed between the first electrode and the second conductivity type semiconductor layer and electrically connected to the second conductivity type semiconductor layer; and an upper electrode pad disposed adjacent to the first conductivity type semiconductor layer and connected to the second electrode, wherein the groove has a shape surrounding a region including a center of the mesa and partially open.
    Type: Application
    Filed: May 10, 2019
    Publication date: September 5, 2019
    Inventors: Mi Hee LEE, Chang Yeon KIM, Ju Yong PARK, Jong Kyun YOU, Joon Hee LEE
  • Patent number: 10403796
    Abstract: A light emitting device and a method of fabricating the same. The light emitting device includes: a light emitting structure including a first conductive type semiconductor layer, a second conductive type semiconductor layer, an active layer, and a partially exposed region of an upper surface of the first conductive type semiconductor layer; a transparent electrode disposed on the second conductive type semiconductor layer; a first insulation layer including a first opening and a second opening; a metal layer at least partially covering the first insulation layer; a first electrode electrically connected to the first conductive type semiconductor layer; and a second electrode electrically connected to the transparent electrode.
    Type: Grant
    Filed: October 15, 2015
    Date of Patent: September 3, 2019
    Assignee: SEOUL VIOSYS CO., LTD.
    Inventors: Chang Yeon Kim, Ju Yong Park, Sung Su Son
  • Patent number: 10399453
    Abstract: A method and system for controlling a vehicular direct current converter are provided. In particular, zero-current control is performed during control for maintaining an SOC of an auxiliary battery. Accordingly, energy loss due to charging and discharging of the auxiliary battery is minimized and the fuel efficiency of a vehicle is improved.
    Type: Grant
    Filed: November 8, 2017
    Date of Patent: September 3, 2019
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Ho Joong Lee, Dong Jun Shin, Won Kyoung Choi, Jun Yeon Park, Na Lae Kwon, Hyun Wook Seong, Jee Heon Kim, Chang Ryeol Yoo, Dong Jun Lee
  • Patent number: 10377237
    Abstract: An apparatus and a method are provided for controlling a low DC-DC converter (LDC) in an electric vehicle by prioritizing respective controllers, connecting the controllers in series in ascending order according to priority, and determining a command voltage of the LDC on the basis of output voltages of the respective controllers. Accordingly, even when a controller with a highest priority is operating, controllers of lower priority continue operating. Thus, electrical load performance degradation caused by instantaneous overcurrent generated in state transitions is prevented.
    Type: Grant
    Filed: November 15, 2016
    Date of Patent: August 13, 2019
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Ho Joong Lee, Dong Jun Shin, Won Kyoung Choi, Jun Yeon Park, Gi Bong Son, Hyun Wook Seong, Jee Heon Kim, Chang Ryeol Yoo, Hui Sung Jang
  • Patent number: 10369149
    Abstract: The present invention relates to a 4-(2-amino-tetrahydronaphthaleneyl)pyrimidine derivative, a preparation method thereof, and a pharmaceutical composition for the prevention or treatment of cancer comprising the same as an active ingredient. The 4-(2-amino-tetrahydronaphthaleneyl)pyrimidine derivative, the optical isomer thereof, or the pharmaceutically acceptable salt thereof of the present invention is very effective in suppressing anaplastic lymphoma kinase (ALK) activity and as a result it can improve the effectiveness of treatment on cancer cells having anaplastic lymphoma kinase (ALK) fusion proteins such as EML4-ALK and NPM-ALK, so that it can be effectively used as a pharmaceutical composition for preventing or treating cancer.
    Type: Grant
    Filed: December 30, 2015
    Date of Patent: August 6, 2019
    Assignee: KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGY
    Inventors: Jong Yeon Hwang, Hyoung Rae Kim, Jae Du Ha, Sung Yun Cho, Hee Jung Jung, Pilho Kim, Chang Soo Yun, Chong Ock Lee, Chi Hoon Park, Chong Hak Chae, Sunjoo Ahn
  • Patent number: 10372430
    Abstract: In a method of compiling an updated program having a plurality of updated functions that is updated from an original program having a plurality of original functions, it is determined whether a first original function corresponding to a first updated function exists, it is determined whether the first updated function is changed from the first original function, a first optimization combination for the first updated function is searched when the first original function does not exist or when the first updated function is changed from the first original function, a second optimization combination applied to the first original function is read from a configuration database storing optimization combinations for the original functions when the first original function exists and the first updated function is not changed from the first original function, and the updated program is compiled using the first optimization combination or the second optimization combination.
    Type: Grant
    Filed: January 10, 2018
    Date of Patent: August 6, 2019
    Assignees: SAMSUNG ELECTRONICS CO., LTD., POSTECH ACADEMY-INDUSTRY FOUNDATION
    Inventors: Hye-Yeon Chung, Han-Jun Kim, Jong-Won Lee, Chang-Su Kim, Seon-Yeong Heo, Jun-Mo Park, Jong-Hee Yoon
  • Publication number: 20190227599
    Abstract: A flexible display device is provided. The flexible display device includes: a display; a sensor configured to detect at least one rolling characteristic in response to the display being rolled; and a controller configured to perform a first function of the flexible display device based on the detected at least one rolling characteristic.
    Type: Application
    Filed: March 11, 2019
    Publication date: July 25, 2019
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ji-yeon KWAK, Kyung-a KANG, Hyun-jin KIM, Nipun KUMAR, Chang-soo LEE
  • Patent number: 10355231
    Abstract: An organic light emitting display device comprises two emission portions between first and second electrodes, wherein at least one among the two emission portions includes two emitting layers, whereby efficiency and a color reproduction ratio may be improved.
    Type: Grant
    Filed: November 29, 2018
    Date of Patent: July 16, 2019
    Assignee: LG Display Co., Ltd.
    Inventors: Sung Hoon Pieh, Chang Wook Han, Hong Seok Choi, Ki-Woog Song, So Yeon Ahn, Seung Hyun Kim
  • Patent number: 10352580
    Abstract: An air conditioner includes a housing having a suction port and a discharge port, a main fan configured to draw air into the housing through the suction port and discharge air from the housing through the discharge port, an auxiliary fan configured to draw, into the housing, air discharged by the main fan and a controller configured to control a rotational speed of the auxiliary fan to change a direction in which air is discharged from the housing.
    Type: Grant
    Filed: May 3, 2016
    Date of Patent: July 16, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Young-Jin Kim, Ju-Hyun Kang, Young-Jae Kim, Byung Yul So, Yong-Gak Kim, In-Jung Baek, Na Yeong Byeon, Moo Gyo Seo, Hyeong Joon Seo, Seung Cheon Yu, Sang Woo Lee, Hyo Kyu Lee, Jin Ho Lim, Min-Gi Cho, Hyeong Kyu Cho, Jun Hwang, Do Yeon Kim, Hyun Ah Kim, Yong Ho Seo, Woo Seog Song, Hyun-Joo Song, Young Sun Shin, Joon-Ho Yoon, Bu Youn Lee, Jung Dae Lee, Chang Seon Lee, Min Gu Jeon, Hee Jae Jeong
  • Publication number: 20190215697
    Abstract: Disclosed is an apparatus for managing a risk of a malware behavior in a mobile operating system, which includes: a deducing unit configured to deduce characteristics of a malware from results of a static analysis on mobile malware data and a dynamic analysis thereon under a virtual environment by using a blacklist including an indicator of compromise (IOC) utilized in an existing mobile malware.
    Type: Application
    Filed: December 18, 2018
    Publication date: July 11, 2019
    Inventors: Kyung Ho LEE, Dahee CHOI, Won PARK, Junhyoung OH, Ju Hyeon LEE, Chang Yeon KIM, Youngin YOU
  • Publication number: 20190214373
    Abstract: A light emitting device for a display includes a substrate and first, second, and third LED sub-units, a first transparent electrode between the first and second LED sub-units and in ohmic contact with the first LED sub-unit, a second transparent electrode between the second and third LED sub-units and in ohmic contact with the second LED sub-unit, a third transparent electrode between the second transparent electrode and the third LED sub-unit and in ohmic contact with the third LED sub-unit, at least one current spreader connected to at least one of the first, second, and third LED sub-units, electrode pads disposed on the substrate, and through-hole vias formed through the substrate, in which at least one of the through-hole vias is formed through the substrate and the first and second LED sub-units.
    Type: Application
    Filed: December 3, 2018
    Publication date: July 11, 2019
    Inventors: Chang Yeon KIM, Jong Hyeon CHAE, Jong Min JANG, Ho Joon LEE, Seong Gyu JANG
  • Patent number: 10340425
    Abstract: A light emitting diode including a light blocking layer is disclosed. The light emitting diode includes: a substrate including an upper surface and side surfaces; a semiconductor stack disposed under the substrate and including a first conductivity type semiconductor layer, a second conductivity type semiconductor layer, and an active layer interposed between the first conductivity type semiconductor layer and the second conductivity type semiconductor layer; and a light blocking layer covering the upper surface and the side surfaces of the substrate to define a light emitting surface on the upper surface of the substrate. The size of a light emitting surface of the light emitting diode can be easily controlled using the light blocking layer.
    Type: Grant
    Filed: November 17, 2017
    Date of Patent: July 2, 2019
    Assignee: Seoul Viosys Co., Ltd.
    Inventors: Jong Min Jang, Chang Yeon Kim, Jae Hee Lim
  • Publication number: 20190189596
    Abstract: A light emitting device for a display includes first LED sub-unit, second LED, and third LED sub-units, an insulating layer substantially covering the first, second, and third LED sub-units, and electrode pads electrically connected to the first, second, and third LED sub-units, in which the first LED sub-unit is disposed on a partial region of the second LED sub-unit, the second LED sub-unit is disposed on a partial region of the third LED sub-unit, the insulating layer has openings for electrical connection between the electrode pads, a common electrode pad is connected to the first, second, and third LED sub-units through the openings in the insulating layer, first, second, and third electrode pads are connected to the first, second, and third LED sub-units, respectively, through at least one of the openings, and the first, second, and third LED sub-units are configured to be independently driven using the electrode pads.
    Type: Application
    Filed: November 22, 2018
    Publication date: June 20, 2019
    Inventors: Jong Hyeon CHAE, Chang Yeon KIM, Seong Gyu JANG, Ho Joon LEE, Jong Min JANG, Dae Sung CHO