Patents by Inventor Ho Chul Lee

Ho Chul Lee 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: 20250115185
    Abstract: The present disclosure provides a video processing system for providing digital rear view monitoring and digital video recording in a vehicle, and electronic devices and operating methods of the same. In the present disclosure, the video processing system is configured to receive and store a front view video and a rear view video of the vehicle, and to display the rear view video on a digital rear mirror module. According to a first example embodiment, the video processing system may be implemented with a first electronic device configured to display the rear view video on the digital rear mirror module, and a second electronic device configured to store the front view video and the rear view video. According to a second example embodiment, the video processing system may be implemented with a single electronic device.
    Type: Application
    Filed: October 4, 2024
    Publication date: April 10, 2025
    Inventors: Ho Kwan LEE, Hyun Jin BANG, Jong Hoon LEE, Hyun Chul CHO, Sung Rak CHOI, Hae Jong CHOI
  • Publication number: 20250115186
    Abstract: The present disclosure provides a digital rear mirror device for easy operation based on a button or a sensor and an operating method of the same. In the present disclosure, the digital rear mirror device may be configured to, in response to at least one button arranged on at least one edge of a display module, display identification information on an operation function assigned to the button through the display module. Here, the button may include at least one of a physical button and a touch button. In the present disclosure, the digital rear mirror device may be configured to switch the display module based on a signal detected through at least one sensor that is arranged on at least one edge of the display module. Here, the sensor may include at least one of a motion sensor, a proximity sensor, and a touch sensor.
    Type: Application
    Filed: October 4, 2024
    Publication date: April 10, 2025
    Inventors: Ho Kwan LEE, Hyun Jin BANG, Hyun Chul CHO, Hae Jong CHOI
  • Publication number: 20250104484
    Abstract: The present disclosure provides an electronic toll collection system (ETCS)-supporting integrated digital rear mirror device and an operating method thereof. According to an example embodiment, the digital rear mirror device may include a digital rear mirror module configured to provide a rear view of a vehicle within a single housing and an ETCS module for electronic toll collection for the vehicle. A substrate of the digital rear mirror module and a substrate of the ETCS module may be separately arranged rather than being stacked within the digital rear mirror device. According to another example embodiment, the ETCS module may transmit information received from an external device to the digital rear mirror module, and the digital rear mirror module may display the information while providing the rear view. Here, the information may include at least one of billing information, event information, traffic information, environmental information, and disaster situation information.
    Type: Application
    Filed: September 26, 2024
    Publication date: March 27, 2025
    Inventors: Ho Kwan LEE, Hyun Jin BANG, Tae Hyeong KIM, Sung Rak CHOI, Hyun Chul CHO
  • Publication number: 20250105595
    Abstract: The present invention relates to a method of manufacturing a photonic integrated device based on single-step active layer epitaxial growth, and the method includes forming, on a substrate, a reference region having a first bandgap and a region having a bandgap, which is red-shifted relative to the first bandgap, through active layer epitaxial growth, and applying a blue-shift to the substrate to form a region having a second bandgap that is blue-shifted relative to the first bandgap.
    Type: Application
    Filed: September 24, 2024
    Publication date: March 27, 2025
    Inventors: O Kyun KWON, Nam Je KIM, Ho Sung KIM, Mi Ran PARK, Seung Chul LEE, Won Seok HAN
  • Publication number: 20250091513
    Abstract: Provided are an electronic device for performing an integrated multi-function using a single rear view image of a vehicle and an operating method thereof. Herein, the electronic device is configured to receive a rear view image from a camera device and to process the rear view image to a plurality of target images for a plurality of functions. For a function of a digital image recording system function, the electronic device may store the rear view image as a first target image. For an around view monitoring function, the electronic device may display a portion of the rear view image as a second target image that is a portion of an around view image around the vehicle. For a digital rear view monitoring function, the electronic device may display a portion of the rear view image on a digital rear mirror as a third target image.
    Type: Application
    Filed: September 12, 2024
    Publication date: March 20, 2025
    Inventors: Ho Kwan LEE, Hyun Chul CHO
  • Publication number: 20250073915
    Abstract: A semiconductor device transport unit according to an embodiment of the present disclosure may include a transport shaft disposed in an internal space formed by a chamber and extended along a transport direction of a semiconductor device, a moving holder mounted on the transport shaft with an allowable spacing and transporting a carrier having the semiconductor device loaded thereinto along the transport direction, and a temperature adjuster that adjusts a temperature of at least one of the moving holder and the transport shaft so that the moving holder is prevented from being fixed to the transport shaft in a temperature atmosphere.
    Type: Application
    Filed: August 27, 2024
    Publication date: March 6, 2025
    Inventors: Taek Seon LEE, Ho Nam KIM, Sung Chul MOON, Dong Jun KIM
  • Patent number: 12211972
    Abstract: A polymer electrolyte includes an ionic liquid and a polymer matrix including a copolymer having a first repeating unit represented by Chemical Formula 1 and a second repeating unit represented by Chemical Formula 2 below:
    Type: Grant
    Filed: July 1, 2021
    Date of Patent: January 28, 2025
    Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATION, UNIVERSITY OF SEOUL INDUSTRY COOPERATION FOUNDATION
    Inventors: Ho Taek Lee, Yong Min Kim, Hong Chul Moon
  • Publication number: 20240202585
    Abstract: A machine learning failure recovery apparatus and control method thereof are provided. The control method of a machine learning failure recovery apparatus according to the present invention t may include performing machine learning with learning data as an input, wherein the machine learning includes matching a learning data location where a learning has been completed with an intermediate storage model whenever a preset backup time arrives and storing a result of the matching; determining whether a failure occurs during the machine learning; extracting the intermediate storage model closest to a point in time when the failure occurred and a position of the learning data matched with the corresponding intermediate storage model when it is determined that the failure occurred; and resuming machine learning based on the extracted intermediate storage model and location of the learning data.
    Type: Application
    Filed: June 20, 2023
    Publication date: June 20, 2024
    Applicant: STRATO CO., LTD.
    Inventors: Hyeong-Doo KIM, Ho-Chul LEE, Sun-Kyu PARK, Nam-Kyu PARK, Yong-Min KWON
  • Publication number: 20240202194
    Abstract: Provided is a search processing system performing high-volume search processing. The search processing system includes: a synchronization database server; a search server configured to match search result data and primary key field values and temporarily store them and to continuously transmit the matched primary key field values and the search result data to the synchronization database server to perform mutual real-time synchronization; and a search node configured to receive and store the primary key field values among the search result data from the search server.
    Type: Application
    Filed: November 2, 2023
    Publication date: June 20, 2024
    Applicant: STRATO CO., LTD.
    Inventors: Hyeong-Doo KIM, Ho-Chul LEE, Sun-Kyu PARK, Nam-Kyu PARK, Yong-Min KWON
  • Patent number: 11922225
    Abstract: Provided is a cluster node recommendation system. A method of controlling the cluster node recommendation system includes: inputting user selection information from a user, the user selection information including at least one of a cloud vendor, an Information Technology (IT) resource size, and a free resource size; checking resource requirements of a designated application; outputting a node configuration by inputting the input user selection information and the checked resource requirements of the application to an artificial intelligence module; verifying validity by arranging a container in which the application is executed, in the output node configuration; and providing a final node configuration in which validity verification is made, to the user.
    Type: Grant
    Filed: November 1, 2023
    Date of Patent: March 5, 2024
    Assignee: STRATO CO., LTD.
    Inventors: Hyeong-Doo Kim, Ho-Chul Lee, Sun-Kyu Park, Nam-Kyu Park, Yong-Min Kwon
  • Patent number: 11450249
    Abstract: Disclosed are a display device and a compensation method thereof for preventing and compensating for deterioration of pixels using average data of stress for each pixel. The display device includes a display panel comprising a plurality of pixels provided thereon and configured to display an image, a display driver configured to output a driving signal for driving the display panel, a timing controller configured to generate stress data by converting grayscale values included in image data into stress values, to accumulate the stress data for each pixel, to calculate average data for each pixel corresponding to an accumulated number of times, to determine a compensation value by performing lossless and lossy compression and restoration on the average data in a regular region and an irregular region, respectively, and to provide the compensation value to the display driver.
    Type: Grant
    Filed: December 14, 2020
    Date of Patent: September 20, 2022
    Assignee: LG Display Co., Ltd.
    Inventors: Ji-Hee Song, Chul-Kwon Lee, Ho-Chul Lee, Ji-Hwan Kim
  • Patent number: 11302263
    Abstract: The present disclosure relates to an organic light emitting display device. The device includes, among others, a controller including a data compensator configured to accumulate stress data applied to organic light emitting diodes (OLEDs) on the basis of input image data, to generate accumulated stress data under a condition for recovery of accumulated loss in a loss region, to compress and restore the accumulated stress data in a lossless manner and a loss manner to determine a compensated value and to output the compensated value. Accordingly, it is possible to estimate previous loss data on the basis of new image data to be currently accumulated, recover loss and accumulate data to prevent accumulation of loss and efficiently compensate for afterimage due to deterioration of OLEDs to extend the period of use.
    Type: Grant
    Filed: December 10, 2020
    Date of Patent: April 12, 2022
    Assignee: LG Display Co., Ltd.
    Inventors: Ji-Hee Song, Chul-Kwon Lee, Ho-Chul Lee, Se-Ho Lim
  • Publication number: 20210201820
    Abstract: The present disclosure relates to an organic light emitting display device. The device includes, among others, a controller including a data compensator configured to accumulate stress data applied to organic light emitting diodes (OLEDs) on the basis of input image data, to generate accumulated stress data under a condition for recovery of accumulated loss in a loss region, to compress and restore the accumulated stress data in a lossless manner and a loss manner to determine a compensated value and to output the compensated value. Accordingly, it is possible to estimate previous loss data on the basis of new image data to be currently accumulated, recover loss and accumulate data to prevent accumulation of loss and efficiently compensate for afterimage due to deterioration of OLEDs to extend the period of use.
    Type: Application
    Filed: December 10, 2020
    Publication date: July 1, 2021
    Inventors: Ji-Hee SONG, Chul-Kwon LEE, Ho-Chul LEE, Se-Ho LIM
  • Publication number: 20210192998
    Abstract: Disclosed are a display device and a compensation method thereof for preventing and compensating for deterioration of pixels using average data of stress for each pixel. The display device includes a display panel comprising a plurality of pixels provided thereon and configured to display an image, a display driver configured to output a driving signal for driving the display panel, a timing controller configured to generate stress data by converting grayscale values included in image data into stress values, to accumulate the stress data for each pixel, to calculate average data for each pixel corresponding to an accumulated number of times, to determine a compensation value by performing lossless and lossy compression and restoration on the average data in a regular region and an irregular region, respectively, and to provide the compensation value to the display driver.
    Type: Application
    Filed: December 14, 2020
    Publication date: June 24, 2021
    Inventors: Ji-Hee SONG, Chul-Kwon LEE, Ho-Chul LEE, Ji-Hwan KIM
  • Patent number: 10960799
    Abstract: A car seat lumbar support unit performs an elevating operation of an upper bracket relative to a lower bracket which determines a degree of curvature of a seat back by using a first motor, a first transfer screw, and a first nut member (first elevating unit) that are easily designed and manufactured, and performs an elevating operation of the lower bracket and the upper bracket which determines a curved position of the seat back by using a second motor, a second transfer screw, and a second nut member (second elevating unit), wherein a rotary cylinder is organically coupled so that the first elevating unit and the second elevating unit are independently operable without being restricted by each other.
    Type: Grant
    Filed: December 10, 2019
    Date of Patent: March 30, 2021
    Assignee: DAEDONG SYSTEM CO., LTD
    Inventors: Ho Chul Lee, In Seob Ju, Jung Jo Lim
  • Publication number: 20200189429
    Abstract: A car seat lumbar support unit performs an elevating operation of an upper bracket relative to a lower bracket which determines a degree of curvature of a seat back by using a first motor, a first transfer screw, and a first nut member (first elevating unit) that are easily designed and manufactured, and performs an elevating operation of the lower bracket and the upper bracket which determines a curved position of the seat back by using a second motor, a second transfer screw, and a second nut member (second elevating unit), wherein a rotary cylinder is organically coupled so that the first elevating unit and the second elevating unit are independently operable without being restricted by each other.
    Type: Application
    Filed: December 10, 2019
    Publication date: June 18, 2020
    Inventors: Ho Chul LEE, In Seob JU, Jung Jo LIM
  • Patent number: 9614121
    Abstract: A method of fabricating a semiconductor light-emitting device is provided that includes forming a first conductivity-type semiconductor layer, forming an active layer by alternately forming a plurality of quantum well layers grown at a first temperature and a plurality of quantum barrier layers grown at a second temperature higher than the first temperature, and forming a second conductivity-type semiconductor layer.
    Type: Grant
    Filed: August 16, 2016
    Date of Patent: April 4, 2017
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Yong Seok Choi, Chul Min Kim, Dong Gyu Shin, Ho Chul Lee, Joo Young Cheon, Do Young Rhee, Jeong Wook Lee
  • Publication number: 20170009800
    Abstract: Provided is an apparatus for manually operating a transmission state of a car, the apparatus including a base member fixed on a frame of the car; and a manipulation lever having a side rotatably coupled to the base member via a hinge shaft and an opposite side rotating about the hinge shaft, and comprising a through hole, through which an end of an operating cable for manually operating the transmission state passes, and a fixing recess formed adjacent to the through hole for hooking and fixing the end of the operating cable, wherein the manipulation lever and the end of the operating cable are rotated together so as to shift the transmission state via the manual operation, connecting and separating of the operating cable and the manipulation lever is freely performed via the through hole, and the operating cable is fixed to the manipulation lever via the fixing recess.
    Type: Application
    Filed: July 7, 2016
    Publication date: January 12, 2017
    Inventors: Ho Chul LEE, In Seob JU, Jin Ho BOK, Jung Jo LIM
  • Patent number: 9490391
    Abstract: A semiconductor light emitting device may include: a first conductivity-type semiconductor layer; an active layer disposed on the first conductivity-type semiconductor layer and including a plurality of quantum barrier layers and a plurality of quantum well layers which are alternately stacked; and a second conductivity-type semiconductor layer disposed on the active layer. A quantum barrier layer closest to the second conductivity-type semiconductor layer, among the plurality of quantum barrier layers, may include a first undoped region and a first doped region disposed on the first undoped region and having a thickness greater than or equal to that of the first undoped region. Each of the first undoped region and the first doped region may include a plurality of first unit layers having different energy band gaps, and at least one hole accumulation region.
    Type: Grant
    Filed: June 4, 2015
    Date of Patent: November 8, 2016
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jong Hyun Lee, Min Hwan Kim, Eun Deok Sim, Ji Heon Oh, Heon Ho Lee, Ho Chul Lee, Jae Sung Hyun
  • Patent number: 9337391
    Abstract: A semiconductor light emitting device includes an n-type semiconductor layer, a border layer disposed on the n-type semiconductor layer, having band gap energy decreasing in a single direction, and represented by an empirical formula AlxInyGa1?x?yN (0?x?0.1, 0.01?y?0.1), an active layer disposed on the border layer and having a structure in which one or more InGaN layers and one or more GaN layers are alternately stacked, and a p-type semiconductor layer.
    Type: Grant
    Filed: March 18, 2015
    Date of Patent: May 10, 2016
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jai Won Jean, Min Hwan Kim, Eun Deok Sim, Jong Hyun Lee, Heon Ho Lee, Ho Chul Lee, Jae Sung Hyun