Patents by Inventor Ki Chun

Ki 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).

  • Publication number: 20240169894
    Abstract: A data driving circuit includes: a reference voltage generator that receives a data control signal and generates a gamma reference voltage and a test reference voltage, a data driving unit that outputs a data signal for a pixel based on the gamma reference voltage, and an output circuit that outputs a test data voltage for a dummy pixel based on the test reference voltage.
    Type: Application
    Filed: August 21, 2023
    Publication date: May 23, 2024
    Applicant: Samsung Display Co., Ltd.
    Inventors: BYUNG KI CHUN, SUN-KOO KANG, MYEONGBIN LIM, MIN-SEOK BAE, KANGHEE LEE
  • Publication number: 20240161481
    Abstract: A LiDAR and camera data fusion method includes generating a voxel-wise feature map based on point cloud data of a LiDAR sensor, generating a pixel-wise feature map based on image data of a camera, converting three-dimensional (3D) coordinates of point data of the voxel-wise feature map to two-dimensional (2D) coordinates, based on at least one predefined calibration parameter, and generating fused data by combining pixel data of the pixel-wise feature map and point data of the 2D coordinates.
    Type: Application
    Filed: November 16, 2023
    Publication date: May 16, 2024
    Applicants: HYUNDAI MOTOR COMPANY, Kia Corporation, Konkuk University Industrial Cooperation Corp
    Inventors: Sung Moon JANG, Ki Chun JO, Jin Su HA, Ha Min SONG, Chan Soo KIM, Ji Eun CHO
  • Patent number: 11984086
    Abstract: Provided is a display device comprising at least one sensing pixel including a sensing pixel circuit, a sensing unit including sensing circuit, and a temperature output unit to calculate a temperature of the display panel based on the sensing data. The sensing data is generated from a sensing pixel including a driving transistor in which a current generated according to temperature varies, and a temperature is measured from the sensing data.
    Type: Grant
    Filed: March 22, 2023
    Date of Patent: May 14, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Tae Hyeong An, Jae Hoon Lee, Byung Ki Chun
  • Patent number: 11984082
    Abstract: A display device includes a display panel including, a driving transistor configured to generate driving current, a light emitting element configured to emit light based on the driving current and an initialization transistor configured to apply an initialization voltage to an output electrode of the driving transistor, a sensing driver configured to generate sensing data by receiving the driving current of the pixels through initialization transistors and a driving controller configured to generate accumulated image data by accumulating input image data for frames and to compensate for the input image data based on the accumulated image data and the sensing data.
    Type: Grant
    Filed: May 16, 2023
    Date of Patent: May 14, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Min-Seok Bae, Changbin Im, Byung Ki Chun
  • Publication number: 20240154488
    Abstract: A cooling structure includes a housing having a cooling channel defined therein through which a coolant flows and includes a sealing cap fitted to a hole of the housing to seal the hole. The sealing cap includes a blocking member configured to be in contact with an internal surface of the housing. The cooling structure may be for cooling a motor, such as an in-wheel vehicle motor.
    Type: Application
    Filed: June 27, 2023
    Publication date: May 9, 2024
    Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION
    Inventors: Kam Chun Lee, Jae Young Jeun, Jeong Uk An, Ki Tack Lim, Kyung Jun Lee, Yong Gyu Lee, Sung Min Hong, Hong Wook Lee, Kyung Ku Yeo
  • Publication number: 20240154489
    Abstract: A channel structure includes a cooling channel continuously formed inside a housing. A coolant is configured to flow in the cooling channel. The cooling channel includes a plurality of channel portions spaced apart from each other and extending in the housing by changing directions.
    Type: Application
    Filed: June 30, 2023
    Publication date: May 9, 2024
    Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION
    Inventors: Kam Chun Lee, Jae Young Jeun, Jeong Uk An, Ki Tack Lim, Kyung Jun Lee, Yong Gyu Lee, Sung Min Hong, Hong Wook Lee, Kyung Ku Yeo
  • Publication number: 20240153459
    Abstract: A display device includes a display panel including a pixel and a sensor pixel, the pixel including a light emitting element and a driving transistor controlling a current flowing through the light emitting element, the sensor pixel including sensor transistors, a data driver that supplies a data signal to the pixel through a data line and provides a sensor data signal to the sensor pixel through a sensor data line, and a sensing driver that obtains sensing information on a current flowing through the sensor pixel. The sensor transistors are electrically connected in parallel to each other and are commonly electrically connected to the sensor data line. The sensor transistors and the driving transistor include a substantially same characteristic.
    Type: Application
    Filed: November 2, 2023
    Publication date: May 9, 2024
    Applicant: Samsung Display Co., LTD.
    Inventors: Byung Ki CHUN, Ji Hyun KA, Min Seok BAE, Chang Bin IM, Chae Han HYUN
  • Patent number: 11977199
    Abstract: A device for evaluating characteristics of a target ground containing a metal component is proposed. The device includes a penetration probe having a main frame and a pair of side frames respectively installed at opposite side ends of the main frame, wherein each side frame has a lower end thereof extending downward from the main frame; a plurality of electrodes installed to be exposed to outside on the main frame; an electrode measurement part for measuring apparent chargeability of the target ground by applying power for measurement to the plurality of electrodes; and a main processor for calculating a weight ratio of a metal component of the target ground on the basis of the apparent chargeability measured by the electrode measurement part and calculating a volume ratio of the metal component of the target ground on the basis of the calculated weight ratio of the metal component.
    Type: Grant
    Filed: October 26, 2020
    Date of Patent: May 7, 2024
    Assignee: KOREA UNIVERSITY RESEARCH AND BUSINESS FOUNDATION
    Inventors: Jong-Sub Lee, Sang-Yeob Kim, Nam-Sun Kim, Joon-Ki Chun
  • Publication number: 20240140191
    Abstract: The present disclosure provides a sealing device and an in-wheel motor including the sealing device. The in-wheel motor includes a stator, a rotor rotatably disposed with respect to the stator, an annular inner seal connected to the stator and spaced apart from the rotor by a predetermined gap so as to be disposed between the stator and the rotor, and an annular slinger coupled to an end portion of the rotor, wherein the annular inner seal seals between the slinger and the in-wheel motor.
    Type: Application
    Filed: May 1, 2023
    Publication date: May 2, 2024
    Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION
    Inventors: Ki Tack Lim, Jae Young Jeun, Jeong Uk An, Kyung Ku Yeo, Kam Chun Lee, Yong Gyu Lee, Sung Min Hong, Hong Wook Lee, Kyung Jun Lee
  • Patent number: 11967991
    Abstract: A distributed antenna system (DAS) for multi-carrier and multi-frequency band based on an O-RAN standard in an open radio access network (O-RAN)-based mobile communication network is provided. The DAS includes an O-RAN remote unit (RU) connected to a fronthaul network according to an O-RAN split option specification of base station transceiver systems (BTSs), and comprising a plurality of O-RAN RUs to accommodate a plurality of carriers and a plurality of frequency bands, and a channel combiner to which outputs of the plurality of O-RAN RUs are combined. The channel combiner is an analog combiner. The DAS further includes an optical distribution unit (ODU) connected to the analog combiner, and a radio unit (RU) connected to the ODU. The RU includes an optical receiving unit (ORU), a high power amplifier (HPA), a low noise amplifier (LNA), and a duplexer or filter.
    Type: Grant
    Filed: May 5, 2023
    Date of Patent: April 23, 2024
    Assignee: ADRF KOREA, Inc.
    Inventors: Chong Youn Chun, Chan Ki Cho
  • Patent number: 11967262
    Abstract: A display device includes a display panel, a controller, and a data driver. The display panel includes a plurality of pixels. The controller is configured to: receive input image data for the display panel; divide the display panel into a plurality of first pixel blocks each having a first size; divide the display panel into a plurality of second pixel blocks each having a second size different from the first size; generate, based on the input image data, a first stress map for the plurality of first pixel blocks and a second stress map for the plurality of second pixel blocks; and generate output image data by compensating the input image data based on the first stress map and the second stress map. The data driver is configured to provide data voltages to the plurality of pixels based on the output image data.
    Type: Grant
    Filed: September 21, 2022
    Date of Patent: April 23, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Byung Ki Chun, Hyeonmin Kim, Yongseok Choi
  • Publication number: 20240112630
    Abstract: A display device includes a display panel including, a driving transistor configured to generate driving current, a light emitting element configured to emit light based on the driving current and an initialization transistor configured to apply an initialization voltage to an output electrode of the driving transistor, a sensing driver configured to generate sensing data by receiving the driving current of the pixels through initialization transistors and a driving controller configured to generate accumulated image data by accumulating input image data for frames and to compensate for the input image data based on the accumulated image data and the sensing data.
    Type: Application
    Filed: May 16, 2023
    Publication date: April 4, 2024
    Inventors: MIN-SEOK BAE, CHANGBIN IM, BYUNG KI CHUN
  • Publication number: 20240105134
    Abstract: A display device including: a display panel including pixels; a controller configured to receive input image data, to detect a high gray region adjacent to a low gray region in an image represented by the input image data, to set at least a portion of the low gray region adjacent to the high gray region as a light spread region based on a light spread distance or a pixel density of the display panel, and to generate output image data by correcting the input image data for the light spread region; and a data driver configured to provide data voltages to the pixels based on the output image data.
    Type: Application
    Filed: July 12, 2023
    Publication date: March 28, 2024
    Inventors: DAE-GWANG JANG, Byung Ki Chun
  • Publication number: 20240105127
    Abstract: A display apparatus includes a display panel, a driving controller, and a data driver. The driving controller generates a data signal based on input image data. The data driver converts the data signal into a data voltage and outputs the data voltage to the display panel. The driving controller includes a deterioration compensator. The deterioration compensator generates an alpha value based on a ratio between a sensed current read from a portion of the display panel applied with a high power voltage or a portion of the display panel applied with a low power voltage and a predicted current calculated from the input image data and generates the data signal using the input image data, a stress value of a pixel, and the alpha value.
    Type: Application
    Filed: July 18, 2023
    Publication date: March 28, 2024
    Applicant: Samsung Display Co., LTD.
    Inventors: JONG-WOONG PARK, WONJU SHIN, BYUNG KI CHUN, KANGHEE LEE
  • Publication number: 20240092428
    Abstract: An embodiment side reinforcing structure includes a front pillar, a rear pillar, and a glass run lower inner reinforcement connecting the front pillar and the rear pillar. An embodiment vehicle includes a vehicle body including a front pillar and a rear pillar, a glass run lower inner reinforcement extending along a length direction of the vehicle body and connecting the front pillar and the rear pillar, a glass mounted on a side of the vehicle body between the front pillar and the rear pillar and above the glass run lower inner reinforcement, and a regulator extending in a vehicle height direction and comprising an upper mounting portion and a lower mounting portion, wherein the regulator is connected to the glass run lower inner reinforcement through the upper mounting portion, and wherein the regulator is configured to move the glass vertically.
    Type: Application
    Filed: June 19, 2023
    Publication date: March 21, 2024
    Inventors: Won Ki Song, Jung Jong Chun, Yeongjae Kim, Heedae Oh, Joon Tak Park, Seokju Gim
  • Patent number: 11922600
    Abstract: An afterimage compensator includes: a logo detector configured to detect a logo area including a logo image displayed in a display panel and a logo background image included in a preset range at the periphery of the logo image, based on input image data; a blurring determiner configured to determine a blurring area corresponding to the logo image, using the logo image and the logo background image; and an image corrector configured to blur the logo image, based on the blurring area.
    Type: Grant
    Filed: July 8, 2019
    Date of Patent: March 5, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Byung Ki Chun, Young Wook Yoo, Jun Gyu Lee
  • Publication number: 20240059296
    Abstract: A road surface recognition method may include extracting first point cloud data in a front road surface region of a vehicle from point cloud data generated by LiDAR of the vehicle, generating a point cloud map by use of a local map and the first point cloud data, determining a predicted driving route of the vehicle based on motion-related data of the vehicle; and generating a road surface height profile of the predicted driving route based on the point cloud map and the predicted driving route.
    Type: Application
    Filed: January 3, 2023
    Publication date: February 22, 2024
    Inventors: Young Jae KIM, In Yong Jung, Jong Hoon Choi, Byung Joo Kim, Hyung Jin Kim, So Yeong Kim, Ji Eun Cho, Jin Su Ha, Seong Jun Kim, Young Rok Son, Ki Chun Jo, Ji Won Seok
  • Publication number: 20230419873
    Abstract: Provided is a display device comprising pixel circuits included in the display area, the pixel circuits including light emitting elements with grayscales corresponding to data input from the outside, a dummy pixel circuit included in the non-display area, the dummy pixel circuit including a dummy light emitting element and a dummy driving transistor, a sensing unit for inputting to the dummy pixel circuit, a test data signal for sensing an output signal corresponding to predetermined test data for each predetermined time, and then performing an operation of generating compensation information for compensating for degradation according to a driving time of at least one of the light emitting element and the driving transistor based on the output signal output from the dummy pixel circuit, and a timing controller for accumulating and storing the compensation information, and generating compensated data by compensating for the data input from the outside.
    Type: Application
    Filed: May 19, 2023
    Publication date: December 28, 2023
    Inventors: Byung Ki CHUN, Jae Hoon LEE, Tae Hyeong AN
  • Publication number: 20230410755
    Abstract: Provided is a display device comprising at least one sensing pixel including a sensing pixel circuit, a sensing unit including sensing circuit, and a temperature output unit to calculate a temperature of the display panel based on the sensing data. The sensing data is generated from a sensing pixel including a driving transistor in which a current generated according to temperature varies, and a temperature is measured from the sensing data.
    Type: Application
    Filed: March 22, 2023
    Publication date: December 21, 2023
    Inventors: Tae Hyeong AN, Jae Hoon LEE, Byung Ki CHUN
  • 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