Patents by Inventor Sung Han

Sung Han 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: 11024726
    Abstract: The present disclosure provides a skyrmion diode using skyrmions as information carriers. The skyrmion diode includes a magnetic body and a conductive body. The magnetic body has a skyrmion which is used as information carrier. The conductive body is disposed on or under the magnetic body. The conductive body includes a Dzyaloshinskii-Moriya interaction (DMI) region and a defect region. The DMI region is provided to induce DMI in a region of the magnetic body corresponding to the DMI region by the spin-orbit coupling of the conductive body and magnetic moments of the magnetic body. The defect region is provided to prevent the DMI from being induced in a region of the magnetic body corresponding to the defect region.
    Type: Grant
    Filed: November 15, 2019
    Date of Patent: June 1, 2021
    Assignee: UNIST (Ulsan National Institute of Science and Technology)
    Inventors: Ki Suk Lee, Dae Han Jeong, Hee Sung Han, Nam Kyu Kim
  • Publication number: 20210158288
    Abstract: A system for attendance assignment. The system may include a memory storing instructions and a processor configured to execute the instructions to perform operations. The operations may include retrieving a plurality of delivery routes and a plurality of delivery sub-routes, wherein the delivery sub-routes are part of the delivery routes, calculating a number of packages allocated to the delivery sub-routes, receiving a number and a type of workers available for deliveries, wherein the type including at least one of classification characteristics or efficiency characteristics, assigning a plurality of workers to a plurality of sub-routes with additional deliveries, wherein the assignment of sub-routes is based on a baseline number assigned to the plurality of workers and a route difficulty, generating, received first input, and the route difficulty, a plurality of candidate routes, and forwarding at least one of the modified delivery sub-routes to an electronic device.
    Type: Application
    Filed: November 21, 2019
    Publication date: May 27, 2021
    Inventors: Sun Seung LEE, Sung Han KIM, Erik REHN, Ying QIN
  • Publication number: 20210152134
    Abstract: A high-linearity amplifier including a main operational amplifier, a feedback circuit, and a compensation circuit is shown. The feedback circuit couples an output signal of the main operational amplifier to an input port of the main operational amplifier. The compensation circuit is coupled to the input port of the main operational amplifier to compensate for the non-linearity of the feedback circuit. A signal coupled to the input port of the main operational amplifier through the compensation circuit has an inverse phase compared to the output signal of the main operational amplifier.
    Type: Application
    Filed: October 12, 2020
    Publication date: May 20, 2021
    Inventor: Sung-Han WEN
  • Publication number: 20210152387
    Abstract: There is provided a smart home control system including a host, at least one sensor, a plurality of controlled devices and an informing device. The host identifies entering and leaving of family members according to detection results of the at least one sensor, and controls on/off of the controlled devices or informs a specific family member by the informing device to execute agenda according to a member ID of a family member who is identified to enter or leave the house.
    Type: Application
    Filed: November 14, 2019
    Publication date: May 20, 2021
    Inventors: Sung-Han WU, Yi-Hsien KO
  • Patent number: 11011939
    Abstract: Methods and apparatuses are provided for controlling a wireless power transmitter. First power for charging a first wireless power receiver is transmitted. Demand power information of a second wireless power receiver is received. The demand power information includes a maximum power for the second wireless power receiver. A controller identifies whether the wireless power transmitter is capable of providing the maximum power. A power adjustment command is transmitted to the second wireless power receiver, if the wireless power transmitter is not capable of providing the maximum power. The power adjustment command requests to reduce a magnitude of power to be received by the second wireless power receiver to a level within a range that the wireless power transmitter is capable of supporting. Second power for charging the first wireless power receiver and the second wireless power receiver is transmitted based on at least the reduced magnitude of power.
    Type: Grant
    Filed: June 9, 2020
    Date of Patent: May 18, 2021
    Inventors: Hyuk-Choon Kwon, Nam-Yun Kim, Soo-Yeon Jung, Hee-Won Jung, Jae-Sung Han
  • Patent number: 11011485
    Abstract: A semiconductor package includes: a semiconductor chip including a passivation film disposed on an active surface and having a first opening exposing at least a portion of a connection pad and a protective film disposed on the passivation film, filling at least a portion in the first opening, and having a second opening exposing at least a portion of the connection pad in the first opening; an encapsulant covering at least a portion of the semiconductor chip; and the connection structure including an insulating layer having a via hole connected to the second opening to expose at least a portion of the connection pad, a redistribution layer, and a connection via connecting the connection pad to the redistribution layer while filling at least a portion of each of the via hole and the second opening. The second opening and the via hole are connected to have a stepped portion.
    Type: Grant
    Filed: March 6, 2019
    Date of Patent: May 18, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jae Hoon Choi, Doo Hwan Lee, Joo Young Choi, Sung Han, Byung Ho Kim
  • Publication number: 20210143105
    Abstract: A semiconductor device includes a shielding wire formed across a semiconductor die and an auxiliary wire supporting the shielding wire, thereby reducing the size of a package while shielding the electromagnetic interference generated from the semiconductor die. In one embodiment, the semiconductor device includes a substrate having at least one circuit device mounted thereon, a semiconductor die spaced apart from the circuit device and mounted on the substrate, a shielding wire spaced apart from the semiconductor die and formed across the semiconductor die, and an auxiliary wire supporting the shielding wire under the shielding wire and formed to be perpendicular to the shielding wire. In another embodiment, a bump structure is used to support the shielding wire. In a further embodiment, an auxiliary wire includes a bump structure portion and wire portion and both the bump structure portion and the wire portion are used to support the shielding wire.
    Type: Application
    Filed: January 22, 2021
    Publication date: May 13, 2021
    Applicant: Amkor Technology Singapore Holding Pte. Ltd.
    Inventors: Jun Ho JEON, Kyeong Sool SEONG, Seok Ho NA, Jeong Il KIM, Young Kyu KIM, Sung Ho JEON, Deok In LIM, Sung Moo HONG, Sung Jung KIM, Sung Han RYU, Kyung Nam KANG, Seong Hak YOO
  • Publication number: 20210125854
    Abstract: The present invention relates to a substrate processing apparatus capable of shortening a process time, and the substrate processing apparatus according to the present invention comprises an index chamber having a transfer robot loading/unloading a substrate; a process chamber having a heating means heating the substrate and processing the substrate; a loadlock chamber disposed between the index chamber and the process chamber; and a conveying chamber having a conveying robot conveying the substrate between the process chamber and the loadlock chamber, wherein a pre-heating means is provided in the conveying robot to pre-heat the substrate in a state before processing.
    Type: Application
    Filed: October 28, 2020
    Publication date: April 29, 2021
    Applicant: SEMES Co. Ltd.
    Inventors: MIN SUNG HAN, WAN JAE PARK, YOON JONG JU, JAEHOO LEE
  • Publication number: 20210119589
    Abstract: The present invention provides an amplifier including a DAC, an analog signal processing circuit, a digital signal processing circuit, a signal detector and a driving stage is disclosed. The DAC is configured to perform a digital-to-analog conversion operation on a digital input signal to generate an analog input signal. The analog signal processing circuit is configured to generate a first processed signal according to the analog input signal and a feedback signal. The digital signal processing circuit is configured to process the digital input signal to generate a second processed signal. The signal detector is configured to detect strength of the digital input signal to generate a mode selection signal. The driving stage is configured to refer to the mode selection signal to receive one of the first processed signal and the second processed signal to generate an output signal, wherein the feedback signal is generated by the output signal.
    Type: Application
    Filed: July 21, 2020
    Publication date: April 22, 2021
    Inventors: Sung-Han Wen, Kuan-Ta Chen
  • Patent number: 10972099
    Abstract: A capacitive touch system including a drive end, a capacitive touch sensing device and a detection end is provided. The drive end inputs a modulated drive signal into an input channel of the capacitive sensing device, wherein the modulated drive signal includes a plurality of driving frequencies. The detection end detects a detection signal of an output channel of the capacitive sensing device and generates a two-dimensional detection vector corresponding to each of the driving frequencies. The capacitive touch system includes a touch panel or a touch keyboard.
    Type: Grant
    Filed: January 16, 2020
    Date of Patent: April 6, 2021
    Assignee: PIXART IMAGING INC.
    Inventors: Sung-Han Wu, Che-Chia Hsu, Chia-Yi Lee
  • Patent number: 10964557
    Abstract: The present disclosure relates to a substrate processing apparatus and a substrate processing method. The substrate processing apparatus according to the exemplary embodiment of the present disclosure may include: a processing liquid supply tube; a nozzle unit which is supplied with a processing liquid from the processing liquid supply tube and discharges the processing liquid to the substrate; and a light source unit which is provided to irradiate the processing liquid discharged from the nozzle unit with ultraviolet rays. According to the present disclosure, the processing liquid, which is electrified while passing the processing liquid supply tube, is irradiated with ultraviolet rays, such that electricity is eliminated from the electrified processing liquid, and as a result, it is possible to minimize a problem that the substrate is contaminated by peripheral particles or arcing occurs on the substrate.
    Type: Grant
    Filed: July 31, 2018
    Date of Patent: March 30, 2021
    Assignee: SEMES CO., LTD.
    Inventors: Do Yeon Kim, Jin Kyu Kim, Yoon Jong Ju, Min Sung Han, Joon Ho Won, Yong Tak Hyun
  • Patent number: 10962426
    Abstract: The present disclosure illustrates a calibration circuit for a pressure sensing device. The calibration circuit, via at least one passive component installed in the pressure sensing device, obtains a calibration gain factor of at least one converter also installed in the pressure sensing device, and when the pressure sensing device is in a regular operating mode, the calibration gain factor can be used to calibrate the output of the converter, so that a sensing signal inputted into the pressure sensing device can be correctly converted to a relevant pressure value.
    Type: Grant
    Filed: March 3, 2020
    Date of Patent: March 30, 2021
    Assignee: PIXART IMAGING INC.
    Inventor: Sung-Han Wu
  • Patent number: 10946708
    Abstract: A bush device for an eye section of a leaf spring applied to a suspension of a vehicle is disclosed. The bush device includes a first hollow bush that is configured to be inserted into the eye section, and a plurality of second bushes that are disposed adjacent to both side surfaces of the eye section, respectively. Each of the second bushes have an aperture that is formed at a central portion thereof, and a leaf spring fixing bracket into which the second bushes are inserted.
    Type: Grant
    Filed: November 3, 2018
    Date of Patent: March 16, 2021
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Sung-Han Cho, Yong-Soo Lee
  • Patent number: 10943871
    Abstract: A semiconductor device includes a shielding wire formed across a semiconductor die and an auxiliary wire supporting the shielding wire, thereby reducing the size of a package while shielding the electromagnetic interference generated from the semiconductor die. In one embodiment, the semiconductor device includes a substrate having at least one circuit device mounted thereon, a semiconductor die spaced apart from the circuit device and mounted on the substrate, a shielding wire spaced apart from the semiconductor die and formed across the semiconductor die, and an auxiliary wire supporting the shielding wire under the shielding wire and formed to be perpendicular to the shielding wire. In another embodiment, a bump structure is used to support the shielding wire. In a further embodiment, an auxiliary wire includes a bump structure portion and wire portion and both the bump structure portion and the wire portion are used to support the shielding wire.
    Type: Grant
    Filed: October 18, 2018
    Date of Patent: March 9, 2021
    Assignee: Amkor Technology Singapore Holding Pte. Ltd.
    Inventors: Jun Ho Jeon, Kyeong Sool Seong, Seok Ho Na, Jeong Il Kim, Young Kyu Kim, Sung Ho Jeon, Deok In Lim, Sung Moo Hong, Sung Jung Kim, Sung Han Ryu, Kyung Nam Kang, Seong Hak Yoo
  • Patent number: 10935863
    Abstract: The present application relates to an electrochromic device, and according to one aspect of the present invention, there is provided an electrochromic device comprising a first electrode layer, a first electrochromic layer provided on the first electrode layer, an electrolyte layer provided on the first electrochromic layer, a second electrochromic layer provided on the electrolyte layer and a second electrode layer provided on the second electrochromic layer, wherein the electrochromic device comprises a first auxiliary electrode layer and a second auxiliary electrode layer each provided on each opposite surface of the first electrochromic layer and the second electrochromic layer opposed to each other with the electrolyte layer interposed therebetween.
    Type: Grant
    Filed: June 12, 2017
    Date of Patent: March 2, 2021
    Assignee: LG CHEM, LTD.
    Inventors: Dong Hyun Lee, Chang Yoon Lim, Jae Sung Han, Su Hee Lee, Doo Hoon Song
  • Publication number: 20210025105
    Abstract: A clothes care apparatus including: a main body including a clothes care room; a blower configured to form an airflow inside the clothes care room formed therein, and disposed between an upper part of the clothes care room and an upper part of the main body; and a duct configured to allow air inside the clothes care room to be introduced into the blower by the blower, and formed between a rear part of the main body and a rear part of the clothes care room, wherein the blower includes a blowing fan and a scroll to cover the blowing fan, and the scroll includes a flat portion formed to extend in a direction corresponding to an extension direction of the duct to guide the air into the blower.
    Type: Application
    Filed: July 23, 2020
    Publication date: January 28, 2021
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Dongwoo SHIN, Hooijoong KIM, Minsung KIM, Jinbaek KIM, Hyunjoo KIM, Geonung LEE, Hwangmook CHO, Sung HAN
  • Patent number: 10895362
    Abstract: A lighting device may include a plurality of light sources which are disposed on the circumference of a concentric circle, a light guide which surrounds the light sources and is disposed adjacent to the light sources, and a cover member which surrounds the upper surfaces of the light sources and the upper and side surfaces of the light guide. The light guide has a first surface in the light source direction and a second surface in a direction opposite to the light source which have an inclination with respect to the optical axis of the light emitted from the light sources. The cover member has a light transmitting pattern in a light diffusion region facing the upper surface of the light guide.
    Type: Grant
    Filed: September 13, 2018
    Date of Patent: January 19, 2021
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Eay Jin Lim, Seung Jong Baek, Kyu Sung Han
  • Publication number: 20210014075
    Abstract: There is provided a smart home control system including a host, at least one sensor, a plurality of controlled devices and an informing device. The host identifies entering and leaving of family members according to detection results of the at least one sensor, and controls on/off of the controlled devices or informs a specific family member by the informing device to execute agenda according to a member ID of a family member who is identified to enter or leave the house. When identifying that one agendum is unable or forgotten to be executed by the specific family member, the host further rearranges the agendum.
    Type: Application
    Filed: September 24, 2020
    Publication date: January 14, 2021
    Inventors: Sung-Han WU, Yi-Hsien KO
  • Publication number: 20210002929
    Abstract: A vehicle hood latching mechanism is disclosed. The latching mechanism includes a housing securable to the vehicle body, a latch member pivotally connected to the first side of the housing, the latch member includes an external surface defining an abutment surface, a fork bolt adjustably connected to the second side of the housing and movable between a fully latched position, and an actuator assembly pivotally connected to the second side of the housing. The actuator assembly includes a first lever configured to selectively abut against the engagement surface of the fork bolt and a second lever configured to selectively engage the abutment surface of the latch member. The first lever is pivotally connected proximal to a first end of the mounting plate and the second lever is pivotally connected proximal to a second end of the mounting plate.
    Type: Application
    Filed: July 1, 2019
    Publication date: January 7, 2021
    Inventors: James N. Nelsen, Sung Han Kim
  • Publication number: 20210004506
    Abstract: A method for designing a magnetic plate allowing magnetic particles contained in magnetic ink distributed at different densities includes estimating a distribution of the magnetic particles allowing the magnetic ink to be spread, estimating forms of magnetic field applying the magnetic force to the magnetic particles in order for the magnetic ink to be spread in a desired magnetic printing pattern within the printing layer, obtaining adjustment factors of the magnetic plate corresponding to the estimated forms of the magnetic field by using a model for which deep learning or machine learning has been performed using design conditions including at least one of an upper surface structure of the magnetic plate and a magnetization property of the magnetic plate and obtaining a parameter for the magnetic plate configured to form the magnetic printing pattern based on the obtained adjustment factors.
    Type: Application
    Filed: July 2, 2020
    Publication date: January 7, 2021
    Applicant: Ulsan National Institute of Science and Technology
    Inventors: Ki-Suk LEE, Daehan JEONG, Hee Sung HAN, Namkyu KIM, Myeonghwan KANG