Patents by Inventor Sung Chun

Sung Chun 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: 11755074
    Abstract: A display device includes a display module, a supporting plate disposed under the display module, supporting bars disposed under the display module and arranged in a first direction with the supporting plate, a supporting film disposed between the display module and the supporting plate and between the display module and the supporting bars, a first case accommodating the display module, the supporting plate, the supporting film, and the supporting bars, and a second case coupled to the first case to move in a direction to be close to or to be far away from the first case along the first direction. Opposite sides of the supporting bars are respectively inserted into first guide grooves defined in inner side surfaces of the first case, which face each other in a second direction crossing the first direction, and the supporting bars move along the first guide groove.
    Type: Grant
    Filed: December 8, 2020
    Date of Patent: September 12, 2023
    Assignees: SAMSUNG DISPLAY CO., LTD., FINE DNC CO., LTD
    Inventors: Sung Chun Hong, Tae-Chang Kim, Sungsang Ahn, Byoungsu Lee, Taehyeog Jung
  • Publication number: 20230251742
    Abstract: A touch sensing device for preventing occurrence of electromagnetic interference (EMI) due to a clock includes a touch controller configured to operate in a write mode during a display period and operate in a read request mode or a read operation mode during a touch sensing period, and a touch driver configured to receive touch sensing data from a touch sensor during the touch sensing period and transmit the touch sensing data to the touch controller through a first bus and a second bus. The first bus is used for clock transmission in the write mode and the read request mode and is used for data transmission in the read operation mode. The second bus is used for data transmission in the write mode, the read request mode, and the read operation mode.
    Type: Application
    Filed: April 12, 2023
    Publication date: August 10, 2023
    Inventors: Sun Young PARK, Hong Kyun JUNG, Sung Chun KIM
  • Patent number: 11721480
    Abstract: A multilayer electronic component includes a body including a dielectric layer and an internal electrode, and an external electrode including an electrode layer disposed on the body and connected to the internal electrode, a first plating layer disposed on the electrode layer, and a conductive resin layer disposed on the first plating layer. The first plating layer has surface roughness higher at an interface with the conductive resin layer than at an interface with the electrode layer, and the conductive resin layer includes a conductive metal and a base resin.
    Type: Grant
    Filed: February 18, 2022
    Date of Patent: August 8, 2023
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Ho In Jun, Kyeong Jun Kim, Jin Sung Chun, Woo Chul Shin, Seul Gi Kim
  • Publication number: 20230237952
    Abstract: A display device including: a power management integrated circuit (IC) including a feedback terminal for receiving a feedback voltage that corresponds to an input voltage and an output terminal for supplying a first voltage; a display driver IC electrically connected to the power management IC, the display driver IC including an input terminal for receiving the input voltage that corresponds to the first voltage; and a frequency compensation circuit connected to the input terminal, the feedback terminal, and the output terminal, the frequency compensation circuit including a feedback capacitor and a feedback resistor.
    Type: Application
    Filed: July 25, 2022
    Publication date: July 27, 2023
    Inventors: Yang Uk Nam, Sung Chun Park
  • Publication number: 20230205348
    Abstract: Disclosed herein is a touch sensing device including a first touch controller configured to transmit and receive data, wherein the first touch controller includes a clock terminal and a plurality of input/output terminals, and ternary data is transmitted and received through the clock terminal and at least two terminals among the plurality of input/output terminals of the first touch controller, and binary data is transmitted through the remaining input/output terminals.
    Type: Application
    Filed: October 19, 2022
    Publication date: June 29, 2023
    Applicant: LX SEMICON CO., LTD.
    Inventors: Hong Kyun JUNG, Sun Young PARK, Sung Chun KIM
  • Patent number: 11688862
    Abstract: An air-cooling fuel cell stack includes fuel cells, wherein each of the fuel cells includes an anode bipolar plate, a cathode bipolar plate, a membrane electrode assembly (MEA) between the anode and cathode bipolar plates, and an anode sealing member. The MEA includes an anode side structure, a cathode side structure, and an ion conductive membrane (ICM), and the ICM is sandwiched between the anode side structure and the cathode side structure. The anode sealing member is disposed at a periphery of the anode side structure and sandwiched by the anode bipolar plate and the ICM. The anode sealing member includes a first sealing material and a second sealing material, a Shore hardness of the first sealing material is different from that of the second sealing material, and an arrangement direction of the first and second sealing materials is perpendicular to a compression direction of the plurality of fuel cells.
    Type: Grant
    Filed: October 8, 2021
    Date of Patent: June 27, 2023
    Assignee: Industrial Technology Research Institute
    Inventors: Sung-Chun Chang, Chien-Ming Lai, Chiu-Ping Huang, Keng-Yang Chen, Li-Duan Tsai
  • Publication number: 20230196106
    Abstract: Methods, systems, an apparatus, including computer programs encoded on a storage device, for training an image classifier. A method includes receiving an image that includes a depiction of an object; generating a set of poorly localized bounding boxes; and generating a set of accurately localized bounding boxes. The method includes training, at a first learning rate and using the poorly localized bounding boxes, an object classifier to classify the object; and training, at a second learning rate that is lower than the first learning rate, and using the accurately localized bounding boxes, the object classifier to classify the object. The method includes receiving a second image that includes a depiction of an object; and providing, to the trained object classifier, the second image. The method includes receiving an indication that the object classifier classified the object in the second image; and performing one or more actions.
    Type: Application
    Filed: February 10, 2023
    Publication date: June 22, 2023
    Inventors: Sravanthi Bondugula, Gang Qian, Sung Chun Lee, Sima Taheri, Allison Beach
  • Patent number: 11663848
    Abstract: The present invention includes a device for controlling rolling shutter timing, the device including: a first Gate-On-Array (GOA) driving unit configured to generate a reset signal for resetting an image sensor in a unit of a gate line; a second GOA driving unit configured to generate a scan signal for scanning the image sensor in the unit of the gate line; and a timing controller configured to control generation timing of the reset signal and the scan signal. According to the device and the method of controlling rolling shutter timing based on GOA, it is possible to satisfy a bezel-less edge level of a display panel of a smart phone, expand a fingerprint recognition area to a large area by rapidly reading a fingerprint location area, freely control an exposure time, and reduce occurrence of a delay time.
    Type: Grant
    Filed: August 27, 2021
    Date of Patent: May 30, 2023
    Inventor: Sung Chun Jun
  • Patent number: 11658668
    Abstract: A semiconductor device includes an internal command generation circuit configured to generate a synthesized command from a command which is inputted in synchronization with any one of a first internal clock and a third internal clock generated by dividing a frequency of a clock, and configured to generate a first internal command and a second internal command by delaying the synthesized command depending on a detected input time of the command. The semiconductor device also includes a data transmission circuit configured to generate transmission data from data in synchronization with any one of the first internal command and the second internal command.
    Type: Grant
    Filed: August 14, 2020
    Date of Patent: May 23, 2023
    Assignee: SK hynix Inc.
    Inventor: Sung Chun Jang
  • Patent number: 11657966
    Abstract: A multilayer electronic component includes: a body including first and second dielectric layers alternately disposed in a first direction; and external electrodes disposed on opposing end surfaces, respectively. A first internal electrode exposed to a first end surface and a first dummy pattern spaced apart from the first internal electrode and exposed to a second end surface are disposed on the first dielectric layer. A second internal electrode exposed to the second end surface and a second dummy pattern spaced apart from the second internal electrode and exposed to the first end surface are disposed on the second dielectric layer. The first and second internal electrodes include first and second main portions, respectively, and the first main portion and the second main portion are arranged in a staggered manner in a width direction.
    Type: Grant
    Filed: June 3, 2021
    Date of Patent: May 23, 2023
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Kyeong Jun Kim, Ho In Jun, Seul Gi Kim, Jin Sung Chun, Jun Ho Yun
  • Patent number: 11656719
    Abstract: A touch sensing device for preventing occurrence of electromagnetic interference (EMI) due to a clock includes a touch controller configured to operate in a write mode during a display period and operate in a read request mode or a read operation mode during a touch sensing period, and a touch driver configured to receive touch sensing data from a touch sensor during the touch sensing period and transmit the touch sensing data to the touch controller through a first bus and a second bus, wherein the first bus is used for clock transmission in the write mode and the read request mode and is used for data transmission in the read operation mode, and the second bus is used for data transmission in the write mode, the read request mode, and the read operation mode.
    Type: Grant
    Filed: August 20, 2021
    Date of Patent: May 23, 2023
    Assignee: LX SEMICON CO., LTD.
    Inventors: Sun Young Park, Hong Kyun Jung, Sung Chun Kim
  • Publication number: 20230155474
    Abstract: A DC-DC converter includes a first converter outputting a first power voltage in a first driving method of generating an inductor current by alternately turning on transistors in a normal mode and outputting the first power voltage in a second driving method of generating the inductor current with the number of turn-on times less than that of the first driving method in a power saving mode, a second converter outputting a second power voltage in a third driving method of generating the inductor current with the number of turn-on times less than that of the second driving method in the power saving mode and determining differently magnitudes of the second power voltage in the power saving mode and the second power voltage in the normal mode, and a mode selector supplying a mode control signal to the converters to drive the converters according to one of the modes.
    Type: Application
    Filed: May 26, 2022
    Publication date: May 18, 2023
    Inventors: Yang UK NAM, Sung Chun PARK
  • Publication number: 20230143370
    Abstract: Methods, systems, and apparatus, including computer programs encoded on computer storage media, for feature selection for object tracking. One of the methods includes: obtaining first feature points of an object in a first image of a scene captured by a camera; obtaining a second image of the scene captured by the camera after the first image was captured; determining whether a motion prediction of the object is available that indicates an area of the second image where the object is likely located; in response to determining that the motion prediction of the object is available, identifying, in the area of the second image where the object is likely located, second feature points that satisfy a similarity threshold for the first feature points in the first image; and detecting the object in the second image using the identified second feature points.
    Type: Application
    Filed: November 7, 2022
    Publication date: May 11, 2023
    Inventors: Gang Qian, Sung Chun Lee, Sravanthi Bondugula, Narayanan Ramanathan, Allison Beach
  • Publication number: 20230133161
    Abstract: Surface acoustic wave (SAW) structures with transverse mode suppression are disclosed. In one aspect, the SAW structure provides digits or fingers with broad interior terminal end shapes. By providing such shapes spurious modes above the resonance frequency of the SAW are suppressed thereby providing desired out of band rejection that helps satisfy design criteria such as keeping a higher Q value, a higher K2 value and better Temperature Coefficient of Frequency (TCF).
    Type: Application
    Filed: October 29, 2021
    Publication date: May 4, 2023
    Inventors: Tsuyoshi Yokoyama, Tabito Tanaka, Jun Sung Chun
  • Patent number: 11632049
    Abstract: A DC-DC converter including a first power supply including a first converter outputting a first power voltage, a first sensor detecting a panel current from an output of the first converter; and a first output group including a plurality of inverting converters outputting a second power voltage based on the panel current; a second power supply including a second converter outputting the first power voltage, and a second output group including a plurality of inverting converters outputting the second power voltage based on the panel current; and a first phase controller controlling operations of the inverting converters included in each of the first and second output groups based on the detected panel current. The second power supply operates when the panel current exceeds a predetermined enable value.
    Type: Grant
    Filed: September 1, 2022
    Date of Patent: April 18, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventor: Sung Chun Park
  • Patent number: 11620941
    Abstract: A DC-DC includes a sensor, a determiner, a reference voltage controller and an output voltage controller. The sensor is configured to sense an output voltage to generate a sensed signal. The determiner is electrically connected to the sensor and is configured to determine a difference between the sensed signal and a first protection level for generating a determiner output. The reference voltage controller is electrically connected to the determiner and is configured to generate a second reference voltage based on a first reference voltage and a value of the determiner output. The output voltage controller is electrically connected to the sensor and is configured to output the output voltage based on an input voltage, a feedback voltage of the output voltage, and the second reference voltage.
    Type: Grant
    Filed: September 4, 2020
    Date of Patent: April 4, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yoon Young Lee, Sung Chun Park, Chang Seok Chae
  • Publication number: 20230098574
    Abstract: A direct current-to-direct current (“DC-DC”) converter includes: a first converter which outputs a first power voltage in a normal mode or a power saving mode based on a inductor current generated therein, where the first converter operates in a first driving manner in the normal mode, and operates in a second driving manner in the power saving mode; a second converter which outputs a second power voltage based on a inductor current generated therein, where the second converter operates in a third driving manner in the power saving mode, and a magnitude of the second power voltage in the power saving to mode is different from that in the normal mode; and a mode selector which supplies a mode control signal to the first and second converters, where the first and second converters are driven in the normal mode or the power saving mode based on the mode control signal.
    Type: Application
    Filed: December 2, 2022
    Publication date: March 30, 2023
    Inventors: Sung Chun PARK, Yoon Young LEE
  • Publication number: 20230093953
    Abstract: A method of producing a core-shell particle includes introducing a barium titanate-based base powder and an additive to a reactor, and exposing the barium titanate-based base powder and the additive to a thermal plasma torch to obtain core-shell particles including a core portion having barium titanate (BaTiO3) and a shell portion including the additive and formed on a surface of the core portion.
    Type: Application
    Filed: November 22, 2022
    Publication date: March 30, 2023
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Jin Sung CHUN, Hae Suk CHUNG, Byung Sung KANG, Yun Jung PARK, Young Hoon SONG
  • Patent number: 11616260
    Abstract: Disclosed is a cartridge for battery cells, which includes: an upper cooling plate and a lower cooling plate having a plate shape and spaced to face each other, a cooling channel is formed between the upper cooling plate and the lower cooling plate; a main frame surrounding an outer circumference of the upper cooling plate and an outer circumference of the lower cooling plate with battery cells placed on an upper portion and a lower portion of the main frame; and a support portion disposed at the cooling channel and having at least one support rib protruding in at least one of an upper direction and a lower direction, the at least one support rib supporting the upper cooling plate and the lower cooling plate.
    Type: Grant
    Filed: July 5, 2018
    Date of Patent: March 28, 2023
    Assignee: LG ENERGY SOLUTION, LTD.
    Inventors: Yong-Joon Choi, Hwa-Joong Kim, Jun-Yeob Seong, Sung-Chun Yu
  • Publication number: 20230093390
    Abstract: The present invention discloses a profiling technique for a target molecule population in a sample including an unknown target molecule, using an aptamer. In the method of the present invention, the target molecule population in the sample may be provided as an aptamer profile including an unknown target molecule, and this aptamer profile can be used to determine whether drug prescription is appropriate (i.e., anticancer drug companion diagnosis, etc.), to provide disease diagnosis information, to monitor drug treatment, to determine drug compliance, to determine the degree or absence/presence of in vitro cellular response to drug treatment, and to obtain useful information to humans for classification or identification of species, etc.
    Type: Application
    Filed: December 2, 2020
    Publication date: March 23, 2023
    Inventor: Sung Chun KIM