Patents by Inventor Hyeon Min KIM

Hyeon Min 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).

  • Publication number: 20240159837
    Abstract: The present invention provides a battery monitoring method, which is performed by a battery monitoring device, including: measuring a first voltage drop across both ends of a first shunt resistor of a bus bar electrically connected to a battery and a second voltage drop across both ends of a second shunt resistor, which is in parallel or serial connection with the first shunt resistor; calculating a first current and a second current flowing, respectively, through the first shunt resistor and the second shunt resistor using a first voltage drop value and a second voltage drop value; and determining a state of the battery using a difference between a first current value and a second current value. According to the present invention, it is possible to increase the reliability of monitoring information related to the battery's state by utilizing current values that have undergone linearity compensation and temperature compensation.
    Type: Application
    Filed: November 9, 2023
    Publication date: May 16, 2024
    Applicant: SMART ELECTRONICS INC.
    Inventors: Hong Il CHAE, Hyun Chang KIM, Kwang Hoon LEE, Won Seok KIM, Hyuk Jae KWON, Young Min SON, Hyeon Chang JEONG
  • Publication number: 20240153244
    Abstract: There is provided a low-resolution imaging apparatus configured to form and transmit a low-resolution image of an object. The low-resolution imaging apparatus includes: a low-resolution camera configured to form the low-resolution image of the object; a microcontroller including an analog-to-digital convertor (ADC) that converts the low-resolution image into a digital image; an energy harvesting module configured to provide power to the low-resolution camera and the microcontroller; and a radio frequency identification (RFID) unit configured to transmit the digital-converted low-resolution image.
    Type: Application
    Filed: December 23, 2022
    Publication date: May 9, 2024
    Applicant: Korea Advanced Institute of Science and Technology
    Inventors: Song Min KIM, Seung Woo SHIM, Hyeon Ho SHIN
  • Patent number: 11929490
    Abstract: The present disclosure relates to an anode for a lithium secondary battery, wherein an anode material layer is formed on at least one surface of an anode current collector, and the anode material layer includes large-particle graphite, a small-particle silicon-based material, and fine-particle graphite, and satisfies the following conditions 1 to 3: [Condition 1] Average diameter D50 of the large-particle graphite (D1): 1 to 50 ?m [Condition 2] Average diameter D50 of the small-particle silicon-based material (D2): 0.155D1 to 0.414D1 [Condition 3] Average diameter D50 of the fine-particle graphite (D3): 0.155D1 to 0.414D1, or 0.155D2 to 0.414D2.
    Type: Grant
    Filed: June 26, 2019
    Date of Patent: March 12, 2024
    Assignee: LG ENERGY SOLUTION, LTD.
    Inventors: Junghyun Choi, Hyeon Min Song, Joo Hwan Sung, Han Sol Park, Minsu Cho, Sunghae Park, Jingoo Kwak, Younguk Park, Sue Jin Kim, Jinsu Jang
  • Publication number: 20240068091
    Abstract: Disclosed is a method of forming an area-selective thin film, the method comprising supplying a nuclear growth retardant to the inside of the chamber in which the substrate is placed, so that the nuclear growth retardant is adsorbed to a non-growth region of the substrate; purging the interior of the chamber; supplying a precursor to the inside of the chamber, so that the precursor is adsorbed to a growth region of the substrate; purging the interior of the chamber; and supplying a reaction material to the inside of the chamber, so that the reaction material reacts with the adsorbed precursor to form the thin film.
    Type: Application
    Filed: January 5, 2022
    Publication date: February 29, 2024
    Applicant: EGTM Co., Ltd.
    Inventors: Jae Min KIM, Ha Na KIM, Woong Jin CHOI, Ji Yeon HAN, Ju Hwan JEONG, Hyeon Sik CHO
  • Patent number: 11842276
    Abstract: The display device includes a plurality of pixels, a data driver, and a timing controller. The plurality of pixels are connected to a plurality of scan lines and a plurality of data lines. The data driver supplies a data voltage to the plurality of data lines in a light-emitting mode and supplies a neural network input voltage to the plurality of data lines in an artificial neural network mode. The timing controller is in an artificial neural network mode, and supplies a weight value control signal for performing a deep learning operation by using at least one of the plurality of pixels to the data driver. The weight value control signal is generated based on a predetermined weight value.
    Type: Grant
    Filed: June 7, 2021
    Date of Patent: December 12, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Young Wook Yoo, Hyeon Min Kim, Jun Gyu Lee, Hyun Jun Lim, Byung Ki Chun
  • Patent number: 11657764
    Abstract: A display device includes pixels, an image converter generating second image data using first image data of an N-th frame and first image data of an (N+1)th frame; and a data driver supplying a data signal corresponding to the second image data to the pixels during an (N+1)th frame period. The image converter detects a logo and a logo area using the first image data, calculates a first representative value of data corresponding to a peripheral area of the logo area among the first image data of an N-th frame and a second representative value of data corresponding to a reference area among the first image data of the (N+1)th frame, and selectively converts data for the logo among the first image data of the (N+1)th frame according to the first representative value and the second representative value to generate the second image data of the (N+1)th frame.
    Type: Grant
    Filed: October 15, 2021
    Date of Patent: May 23, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Byung Ki Chun, Hyeon Min Kim, Young Wook Yoo, Jun Gyu Lee, Hyun Jun Lim
  • Patent number: 11594164
    Abstract: A display device includes: a display panel including first and second display areas adjacent to each other; and first and second data drivers configured to drive the first and second display areas, respectively, wherein the first data driver includes: a first afterimage detector configured to receive an input image and to detect a first afterimage area including an afterimage of the first display area from the input image; a first comparator configured to compare an afterimage detection result of the first display area with an afterimage detection result of the second display area received from the second data driver; and a first coordinate corrector configured to correct coordinates of the first afterimage area in response to the afterimage detection result of the first display area and the afterimage detection result of the second display area satisfying a preset reference.
    Type: Grant
    Filed: October 28, 2021
    Date of Patent: February 28, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hyun Jun Lim, Hyeon Min Kim, Young Wook Yoo, Jun Gyu Lee, Byung Ki Chun
  • Patent number: 11514843
    Abstract: A display device includes: pixels arranged in a display area; a timing controller which generates image data of each frame based on an input image signal of the each frame, the timing controller including a logo controller which detects a logo image and a logo area including the logo image from the input image signal of the each frame to control luminance of the logo image; and a data driver which generates a data signal based on the image data and supplies the data signal to the pixels. The logo controller generates a first logo map based on an input image signal of a previous frame, generates a second logo map based on an input image signal of a current frame, and determines a similarity between the first logo map and the second logo map to selectively change luminance of a logo image of a next frame.
    Type: Grant
    Filed: August 19, 2021
    Date of Patent: November 29, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hyeon Min Kim, Hyun Jun Lim, Young Wook Yoo, Jun Gyu Lee, Byung Ki Chun
  • Patent number: 11508288
    Abstract: A display device includes pixels; an image converter which generates a second image by correcting grayscales of a logo among a first image for the pixels; and a data driver which provides data voltages corresponding to the second image to the pixels. The image converter generates first accumulated data by accumulating first map data corresponding to a logo area larger than the logo among the first image during a plurality of frame periods, generates second accumulated data by scaling the first accumulated data every refresh cycle, generates third accumulated data by initializing values smaller than a first threshold value among the second accumulated data to be a background value, and specifies pixels corresponding to the logo based on second map data corresponding to the third accumulated data.
    Type: Grant
    Filed: March 10, 2021
    Date of Patent: November 22, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Byung Ki Chun, Hyeon Min Kim, Young Wook Yoo, Jun Gyu Lee, Hyun Jun Lim
  • Patent number: 11443502
    Abstract: An object detection post-processing device of a display device, includes: an input to receive position information of an object that is detected from input image data for the display device in a current frame; a position information storage device to accumulatively store the position information of a plurality of previous frames; an accumulated position calculator to generate accumulated position information according to the position information of the current frame and the position information of the plurality of previous frames; and a position information determiner to determine final position information according to the accumulated position information, and to output the final position information.
    Type: Grant
    Filed: May 4, 2020
    Date of Patent: September 13, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jun Gyu Lee, Hyeon Min Kim, Kuk-Hwan Ahn, Young Wook Yoo, Hyun Jun Lim, Byung Ki Chun
  • Publication number: 20220208055
    Abstract: A display device includes: a display panel including first and second display areas adjacent to each other; and first and second data drivers configured to drive the first and second display areas, respectively, wherein the first data driver includes: a first afterimage detector configured to receive an input image and to detect a first afterimage area including an afterimage of the first display area from the input image; a first comparator configured to compare an afterimage detection result of the first display area with an afterimage detection result of the second display area received from the second data driver; and a first coordinate corrector configured to correct coordinates of the first afterimage area in response to the afterimage detection result of the first display area and the afterimage detection result of the second display area satisfying a preset reference.
    Type: Application
    Filed: October 28, 2021
    Publication date: June 30, 2022
    Inventors: Hyun Jun LIM, Hyeon Min KIM, Young Wook YOO, Jun Gyu LEE, Byung Ki CHUN
  • Publication number: 20220198997
    Abstract: A display device includes: pixels arranged in a display area; a timing controller which generates image data of each frame based on an input image signal of the each frame, the timing controller including a logo controller which detects a logo image and a logo area including the logo image from the input image signal of the each frame to control luminance of the logo image; and a data driver which generates a data signal based on the image data and supplies the data signal to the pixels. The logo controller generates a first logo map based on an input image signal of a previous frame, generates a second logo map based on an input image signal of a current frame, and determines a similarity between the first logo map and the second logo map to selectively change luminance of a logo image of a next frame.
    Type: Application
    Filed: August 19, 2021
    Publication date: June 23, 2022
    Inventors: Hyeon Min KIM, Hyun Jun LIM, Young Wook YOO, Jun Gyu LEE, Byung Ki CHUN
  • Publication number: 20220122544
    Abstract: A display device includes pixels, an image converter generating second image data using first image data of an N-th frame and first image data of an (N+1)th frame; and a data driver supplying a data signal corresponding to the second image data to the pixels during an (N+1)th frame period. The image converter detects a logo and a logo area using the first image data, calculates a first representative value of data corresponding to a peripheral area of the logo area among the first image data of an N-th frame and a second representative value of data corresponding to a reference area among the first image data of the (N+1)th frame, and selectively converts data for the logo among the first image data of the (N+1)th frame according to the first representative value and the second representative value to generate the second image data of the (N+1)th frame.
    Type: Application
    Filed: October 15, 2021
    Publication date: April 21, 2022
    Applicant: Samsung Display Co., LTD.
    Inventors: Byung Ki CHUN, Hyeon Min KIM, Young Wook YOO, Jun Gyu LEE, Hyun Jun LIM
  • Publication number: 20220067515
    Abstract: The present disclosure provides a display device. The display device includes a plurality of pixels, a data driver, and a timing controller. The plurality of pixels are connected to a plurality of scan lines and a plurality of data lines. The data driver supplies a data voltage to the plurality of data lines in a light-emitting mode and supplies a neural network input voltage to the plurality of data lines in an artificial neural network mode. The timing controller is in an artificial neural network mode, and supplies a weight value control signal for performing a deep learning operation by using at least one of the plurality of pixels to the data driver. The weight value control signal is generated based on a predetermined weight value.
    Type: Application
    Filed: June 7, 2021
    Publication date: March 3, 2022
    Inventors: YOUNG WOOK YOO, Hyeon Min KIM, Jun Gyu Lee, Hyun Jun Lim, Byung Ki Chun
  • Publication number: 20210398493
    Abstract: A display device includes pixels, an image converter which generates a second image by correcting grayscales of a first logo in a first image for the pixels, and a data driver which provides data signals corresponding to the second image to the pixels. The image converter detects the first logo based on value and saturation of the first image, generates first map data corresponding to the first logo, and specifies pixels corresponding to the first logo based on the first map data.
    Type: Application
    Filed: June 4, 2021
    Publication date: December 23, 2021
    Inventors: Byung Ki Chun, Hyeon Min Kim, Young Wook Yoo, Jun Gyu Lee, Hyun Jun Lim
  • Publication number: 20210375189
    Abstract: A display device includes pixels; an image converter which generates a second image by correcting grayscales of a logo among a first image for the pixels; and a data driver which provides data voltages corresponding to the second image to the pixels. The image converter generates first accumulated data by accumulating first map data corresponding to a logo area larger than the logo among the first image during a plurality of frame periods, generates second accumulated data by scaling the first accumulated data every refresh cycle, generates third accumulated data by initializing values smaller than a first threshold value among the second accumulated data to be a background value, and specifies pixels corresponding to the logo based on second map data corresponding to the third accumulated data.
    Type: Application
    Filed: March 10, 2021
    Publication date: December 2, 2021
    Inventors: Byung Ki CHUN, Hyeon Min KIM, Young Wook YOO, Jun Gyu LEE, Hyun Jun LIM
  • Publication number: 20210103751
    Abstract: An object detection post-processing device of a display device, includes: an input to receive position information of an object that is detected from input image data for the display device in a current frame; a position information storage device to accumulatively store the position information of a plurality of previous frames; an accumulated position calculator to generate accumulated position information according to the position information of the current frame and the position information of the plurality of previous frames; and a position information determiner to determine final position information according to the accumulated position information, and to output the final position information.
    Type: Application
    Filed: May 4, 2020
    Publication date: April 8, 2021
    Inventors: Jun Gyu LEE, Hyeon Min KIM, Kuk-Hwan AHN, Young Wook YOO, Hyun Jun LIM, Byung Ki CHUN
  • Patent number: 9788333
    Abstract: Disclosed is a resource allocating method of a LTE-advanced based D2D communications system including a plurality of D2D terminals, the method comprising: by the D2D terminals, requesting a base station to allocate a licensed band and searching for a spectrum for usable non-licensed bands; generating a D2D communications link by using a resource of the licensed band that is allocated from the base station; calculating a signal to interference and noise ratio (SINR) of the D2D communications link; selecting at least one of resources of the searched non-licensed band when the signal to interference and noise ratio (SINR) is smaller than a threshold value; and performing D2D communications by using a resource of the selected non-licensed band.
    Type: Grant
    Filed: July 20, 2016
    Date of Patent: October 10, 2017
    Assignee: SOONGSIL UNIVERSITY RESEARCH CONSORTIUM TECHNO-PARK
    Inventors: Oh-Soon Shin, Hyeon Min Kim, Gil Mo Kang
  • Patent number: 9756646
    Abstract: A base station included in the D2D communication system: a shared resource allocation unit configured to select a resource block having highest performance in D2D communication from a plurality of resource blocks occupied by a plurality of cellular terminals and to set the shared resource block to be shared by a corresponding D2D terminal; an exclusive resource allocation unit configured to select at least one other D2D terminal with which to share an exclusive resource block occupied by the corresponding D2D terminal for the D2D communication and to set the exclusive resource block to be shared by the at least one other D2D terminal; and a power allocation unit configured to create a virtual resource block by matching the shared resource block and the exclusive resource block and to control powers allocated to the shared resource block and the exclusive resource block included in the virtual resource block.
    Type: Grant
    Filed: April 9, 2015
    Date of Patent: September 5, 2017
    Assignee: SOONGSIL UNIVERSITY RESEARCH CONSORTIUM TECHNO- PARK
    Inventors: Oh-Soon Shin, Gil Mo Kang, Hyeon Min Kim
  • Patent number: 9750037
    Abstract: Disclosed herein is an interference recognition-based D2D resource allocation method that uses a base station in a cellular system which includes the base station, a plurality of cellular terminals being in a cell that the base station covers, and a plurality of D2D terminals, including: receiving information of a resource block of a least interference amount that a D2D receiving terminal obtains through resource search and information of search time of the resource search from the D2D receiving terminal; obtaining information of a cellular terminal corresponding to the received resource block and the search time among the plurality of cellular terminals from resource scheduling information storing allocation information of the resource block depending on time per each cellular terminal; and simultaneously allocating frequency resource of the cellular terminal to the D2D receiving terminal and a D2D transmitting terminal by using resource scheduling information corresponding to the obtained cellular terminal.
    Type: Grant
    Filed: September 25, 2015
    Date of Patent: August 29, 2017
    Assignee: SOONGSIL UNIVERSITY RESEARCH CONSORTIUM TECHNO-PARK
    Inventors: Oh-Soon Shin, Gil Mo Kang, Hyeon Min Kim