Patents by Inventor Hyun Jun Lim

Hyun Jun Lim 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: 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
  • Patent number: 11359585
    Abstract: An engine system may include: an engine including cylinders that generate a driving torque by combusting fuel; a first intake manifold connected to an intake line through which flows intake air into some of the plurality of cylinders; a second intake manifold supplying the intake air to the other cylinders of the plurality of cylinders through the first intake manifold; a first exhaust manifold connected to some cylinders that are connected to the first intake manifold; a second exhaust manifold connected to some other cylinders that are connected to the second intake manifold; a recirculation line branched from the second exhaust manifold to be coupled to the second intake manifold; a recirculation inlet valve disposed at a point at which the recirculation line and the second exhaust manifold are joined; and a manifold connection valve disposed on an intake line between the first intake manifold and the second intake manifold.
    Type: Grant
    Filed: November 23, 2020
    Date of Patent: June 14, 2022
    Assignees: Hyundai Motor Company, Kia Corporation
    Inventors: Dong Hee Han, Jong Il Park, Hyun Jun Lim, Seungwoo Hong, Joowon Lee, Kwanhee Choi, Heechang Oh, Yeongseop Park, Dong Ho Chu, Hyungbok Lee
  • 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
  • Patent number: 11295659
    Abstract: Display device includes a scan driver to receive a scan start signal and to supply scan signals of a turn-on level to scan lines in response to the scan start signal; a data driver to receive grayscale values and to supply data voltages corresponding to the grayscale values and a reference data voltage to data lines; pixels connected to the scan lines and the data lines, the pixels including display target pixels configured to receive the data voltages and at least one sensing target pixel configured to receive the reference data voltage; and a scan start signal adjusting unit to detect the display target pixels among the pixels using the grayscale values and to adjust a phase of the scan start signal when at least one of the display target pixels comprises a sensing target pixel.
    Type: Grant
    Filed: May 6, 2020
    Date of Patent: April 5, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Suk Hun Lee, So Hee Park, Chae Hee Park, Hyun Jun Lim, Jun Woo Son, Eun Ho Lee
  • 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
  • Patent number: 11183107
    Abstract: A display device including: a first pixel region including first pixels connected to a data line and first scan lines; a second pixel region in contact with the first pixel region at a first boundary and including second pixels connected to the data line and second scan lines; and a third pixel region in contact with the second pixel region at a second boundary and including third pixels connected to the data line and third scan lines, wherein the display device is configured to scale an image displayed in the second pixel region one or more times based on the second pixel region maintaining a folded state.
    Type: Grant
    Filed: July 1, 2020
    Date of Patent: November 23, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Byung Ki Chun, Seung Jae Lee, Hae Kwan Seo, Chang Noh Yoon, Soon Dong Kim, Ji Hye Kim, Jun Gyu Lee, Jun Heyung Jung, Young Wook Yoo, Kuk Hwan Ahn, 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
  • Publication number: 20210071624
    Abstract: An engine system may include: an engine including cylinders that generate a driving torque by combusting fuel; a first intake manifold connected to an intake line through which flows intake air into some of the plurality of cylinders; a second intake manifold supplying the intake air to the other cylinders of the plurality of cylinders through the first intake manifold; a first exhaust manifold connected to some cylinders that are connected to the first intake manifold; a second exhaust manifold connected to some other cylinders that are connected to the second intake manifold; a recirculation line branched from the second exhaust manifold to be coupled to the second intake manifold; a recirculation inlet valve disposed at a point at which the recirculation line and the second exhaust manifold are joined; and a manifold connection valve disposed on an intake line between the first intake manifold and the second intake manifold.
    Type: Application
    Filed: November 23, 2020
    Publication date: March 11, 2021
    Applicants: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Dong Hee HAN, Jong Il PARK, Hyun Jun LIM, Seungwoo HONG, Joowon LEE, Kwanhee CHOI, Heechang OH, Yeongseop PARK, Dong HO CHU, Hyungbok LEE
  • Publication number: 20210027700
    Abstract: A display device including: a first pixel region including first pixels connected to a data line and first scan lines; a second pixel region in contact with the first pixel region at a first boundary and including second pixels connected to the data line and second scan lines; and a third pixel region in contact with the second pixel region at a second boundary and including third pixels connected to the data line and third scan lines, wherein the display device is configured to scale an image displayed in the second pixel region one or more times based on the second pixel region maintaining a folded state.
    Type: Application
    Filed: July 1, 2020
    Publication date: January 28, 2021
    Inventors: Byung Ki CHUN, Seung Jae LEE, Hae Kwan SEO, Chang Noh YOON, Soon Dong KIM, Ji Hye KIM, Jun Gyu LEE, Jun Heyung JUNG, Young Wook YOO, Kuk Hwan AHN, Hyun Jun LIM
  • Patent number: 10883453
    Abstract: An engine system may include: an engine including cylinders that generate a driving torque by combusting fuel; a first intake manifold connected to an intake line through which flows intake air into some of the plurality of cylinders; a second intake manifold supplying the intake air to the other cylinders of the plurality of cylinders through the first intake manifold; a first exhaust manifold connected to some cylinders that are connected to the first intake manifold; a second exhaust manifold connected to some other cylinders that are connected to the second intake manifold; a recirculation line branched from the second exhaust manifold to be coupled to the second intake manifold; a recirculation inlet valve disposed at a point at which the recirculation line and the second exhaust manifold are joined; and a manifold connection valve disposed on an intake line between the first intake manifold and the second intake manifold.
    Type: Grant
    Filed: December 5, 2017
    Date of Patent: January 5, 2021
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Dong Hee Han, Jong Il Park, Hyun Jun Lim, Seungwoo Hong, Joowon Lee, Kwanhee Choi, Heechang Oh, Yeongseop Park, Dong Ho Chu, Hyungbok Lee
  • Patent number: 10844780
    Abstract: An engine system having a secondary air injection device include: an engine having a plurality of cylinders; a first intake line in which intake air supplied into the cylinder flows; a second intake line in which intake air supplied into the cylinder flows; a bypass line connecting the first intake line and the second intake line; a first electric supercharger and a second electric supercharger disposed in the first intake line and the second intake line, respectively; an exhaust manifold connected with the plurality of cylinders; an exhaust line connected with the exhaust manifold such that exhaust gas flows to the exhaust line through the exhaust manifold; an exhaust gas purification device disposed in the exhaust line; and a secondary air injection device injecting air into the exhaust manifold or the exhaust line from the intake line.
    Type: Grant
    Filed: October 30, 2018
    Date of Patent: November 24, 2020
    Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventors: Heechang Oh, Jong Il Park, Hyun Jun Lim, Seungwoo Hong, Joowon Lee, Yeongseop Park, Dong Hee Han, Hyungbok Lee
  • Publication number: 20200357327
    Abstract: Display device includes a scan driver to receive a scan start signal and to supply scan signals of a turn-on level to scan lines in response to the scan start signal; a data driver to receive grayscale values and to supply data voltages corresponding to the grayscale values and a reference data voltage to data lines; pixels connected to the scan lines and the data lines, the pixels including display target pixels configured to receive the data voltages and at least one sensing target pixel configured to receive the reference data voltage; and a scan start signal adjusting unit to detect the display target pixels among the pixels using the grayscale values and to adjust a phase of the scan start signal when at least one of the display target pixels comprises a sensing target pixel.
    Type: Application
    Filed: May 6, 2020
    Publication date: November 12, 2020
    Inventors: Suk Hun LEE, So Hee PARK, Chae Hee PARK, Hyun Jun LIM, Jun Woo SON, Eun Ho LEE
  • Publication number: 20200064225
    Abstract: A method for detecting a damaged-bearing in an engine using a vibration signal may include: separating, by a controller, a vibration signal of the engine detected by a vibration detecting device installed on one side of the engine of a vehicle into a vibration signal caused by combustion knocking and a vibration signal generated in a bearing, extracting a signal in a predetermined natural frequency band from the vibration signal generated in the bearing using a band-pass filter, and processing the extracted signal to a quantified bearing signal using the controller, and comparing the quantified bearing signal with a preset damaged-bearing criterion using the controller to determine whether the quantified bearing signal is equal to or higher than the preset damaged-bearing criterion to determine a damage to the bearing.
    Type: Application
    Filed: September 27, 2018
    Publication date: February 27, 2020
    Applicants: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventors: Hyuk IM, Dong-Chune HONG, Jin-Kwon KIM, Dae-Woon KIM, Jun-Ho PARK, Il-Joong HWANG, Hong-Wook LEE, Hyun-Jun LIM
  • Publication number: 20200064227
    Abstract: A method for sensing damage of bearing of engine using a vibration signal may include separating a vibration signal of an engine sensed by a vibration sensor installed at one side of the engine of a vehicle into a vibration signal by combustion knocking and a vibration signal of a bearing installed between a crank pin and a connecting rod; extracting, by a signal processing filter, a signal of a predetermined natural frequency band from the vibration signal of the bearing; determining whether the vibration signal of the bearing is higher than a predetermined bearing damage threshold, in a predetermined engine state condition in order to sense breakage of the bearing during operation of the engine; and confirming that the bearing has been damaged.
    Type: Application
    Filed: August 22, 2019
    Publication date: February 27, 2020
    Applicants: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Hyuk IM, Dong-Chune Hong, Jin-Kwon Kim, Dae-Woon Kim, Jun-ho Park, Il-Joong Hwang, Hong-Wook LEE, Hyun-Jun Lim
  • Patent number: 10564070
    Abstract: A method for detecting a damaged-bearing in an engine using a vibration signal may include: separating, by a controller, a vibration signal of the engine detected by a vibration detecting device installed on one side of the engine of a vehicle into a vibration signal caused by combustion knocking and a vibration signal generated in a bearing, extracting a signal in a predetermined natural frequency band from the vibration signal generated in the bearing using a band-pass filter, and processing the extracted signal to a quantified bearing signal using the controller, and comparing the quantified bearing signal with a preset damaged-bearing criterion using the controller to determine whether the quantified bearing signal is equal to or higher than the preset damaged-bearing criterion to determine a damage to the bearing.
    Type: Grant
    Filed: September 27, 2018
    Date of Patent: February 18, 2020
    Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventors: Hyuk Im, Dong-Chune Hong, Jin-Kwon Kim, Dae-Woon Kim, Jun-Ho Park, Il-Joong Hwang, Hong-Wook Lee, Hyun-Jun Lim
  • Patent number: 10458300
    Abstract: An engine system may include an intake line, and a cylinder deactivation (CDA) device selectively deactivating a portion of combustion chambers in the engine. The engine system may further include a first exhaust manifold connected to a first plurality of combustion chambers mounted with the CDA device, a second exhaust manifold connected to a second plurality of combustion chambers without the CDA device, a first exhaust line connected to the first exhaust manifold, a second exhaust line connected to the second exhaust manifold, and a third exhaust line connected with the first and second exhaust lines through an exhaust gas processing device. In addition, a turbocharger including a turbine is mounted at the first exhaust line and rotated by exhaust gas. An air injection device may supply air to the second exhaust manifold or the second exhaust line in a catalyst heating mode of the exhaust gas processing device.
    Type: Grant
    Filed: November 22, 2016
    Date of Patent: October 29, 2019
    Assignee: Hyundai Motor Company
    Inventors: Hyungbok Lee, Jong Il Park, Kwanhee Choi, Joowon Lee, Dong Hee Han, Hyun Jun Lim