Patents by Inventor Hee-Joon Kim

Hee-Joon 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: 20240263674
    Abstract: The present invention relates to a boot assembly of a drive axle in which a bearing seal of a wheel bearing is removed to reduce drag torque and also reduce friction noise occurring in a wrinkled portion of the boot, and introduces a boot assembly of a drive axle configured to include: a wheel bearing assembled to a wheel housing; an outer ring formed in a ring shape and having an outer diameter part fixed to an outer wheel of the wheel bearing; a boot having a large diameter part of one end thereof, assembled to an inner diameter part of the outer ring; and a bearing seal unit assembled between a small diameter part of the other end thereof and a driveshaft by a band to prevent the introduction of foreign matter while restricting the rotation of the boot.
    Type: Application
    Filed: June 10, 2022
    Publication date: August 8, 2024
    Inventors: Chang Hee Jeong, Hee Joon Kim, Bum Jae LEE
  • Publication number: 20240066919
    Abstract: A drive axle assembly capable of reducing drag torque by eliminating an inner bearing seal from a wheel bearing and capable of reducing the generation of frictional noise at corrugations of a boot. The drive axle assembly includes a wheel bearing assembled with a wheel housing, an outer ring having a ring shape and including an outer-diameter portion secured to an outer wheel of a wheel bearing, a boot including a large-diameter portion formed at one end thereof and assembled with an inner-diameter portion of the outer ring, and a bearing seal unit disposed between a small-diameter portion formed at the other end of the boot and a drive shaft to restrict rotation of the boot and to prevent introduction of foreign substances.
    Type: Application
    Filed: August 25, 2022
    Publication date: February 29, 2024
    Inventors: Chang Hee JEONG, Hee Joon KIM, Bum Jae LEE
  • Publication number: 20230289942
    Abstract: An optical compensation method includes displaying a first image in a display device, the first image including a dot pattern obtained by allowing target pixels spaced apart from each other emit light, at least two other pixels being disposed between the target pixels; generating first image capture data by capturing the first image displayed in the display device through an image capture device; displaying a second image in the display device; generating second image capture data by capturing the second image displayed in the display device through the image capture device; generating deblurring data by deblurring the second image capture data, based on the first image capture data; generating compensation data for luminance correction of the display device, based on the deblurring data; and storing the compensation data in a memory device.
    Type: Application
    Filed: March 6, 2023
    Publication date: September 14, 2023
    Applicant: Samsung Display Co., LTD.
    Inventors: Hyun Seuk YOO, Min Gyu KIM, Hee Joon KIM, Jae Seok CHOI
  • Publication number: 20220410624
    Abstract: A hub built-in type drive axle includes one hub housing assuming a role of an external race of a constant velocity joint and a role of a wheel hub simultaneously, wherein the outboard constant velocity joint center is positioned within the full length of the hub housing, and a structure in which a bear housing and a boot assembly ring, including a boot, do not rotate whether the driveshaft 1 rotates is maintained so that performance may be improved, durability may be enhanced, and noise may be minimized.
    Type: Application
    Filed: May 31, 2022
    Publication date: December 29, 2022
    Applicants: Hyundai Motor Company, Kia Corporation, HYUNDAI WIA Corporation
    Inventors: Sung Su Yoo, Seok Ho Bae, Hee Il Kim, Chang Hee Jeong, Bum Jae Lee, Hee Joon Kim
  • Patent number: 11404026
    Abstract: A display device according to an embodiment includes a plurality of display panels arranged adjacent to each other and each display panel including first pixels in the display panel and second pixels in the display panel and adjacent to a boundary area of the display panels, and a luminance correction unit configured to generate a correction grayscale value for the second pixel. The luminance correction unit includes an image mapping unit configured to map a captured luminance image to a unit pixel image, a de-blurring unit configured to perform a de-blurring operation on the mapped unit pixel image to calculate a correction luminance value for the second pixel, and a correction unit configured to calculate a correction grayscale value for the second pixel corresponding to the calculated correction luminance value of the second pixel.
    Type: Grant
    Filed: April 15, 2021
    Date of Patent: August 2, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Se Yun Kim, Sang Cheol Park, Si Hun Jang, Min Gyu Kim, Hee Joon Kim, Jun Pyo Lee
  • Patent number: 11380241
    Abstract: A display device according to some embodiments includes a display panel including a plurality of pixels, a timing controller for correcting an input image signal, and for transmitting the input image to the display panel, a memory for storing model correction data for correcting a gray value, the model correction data corresponding to respective models of a plurality of timing controllers, and for storing image quality correction data for correcting a gamma deviation of the display panel, and a correction controller for generating final correction data by using the model correction data and the image quality correction data, and for transmitting the final correction data to the timing controller.
    Type: Grant
    Filed: November 9, 2020
    Date of Patent: July 5, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Min Gyu Kim, Hee Joon Kim, Si Hun Jang, Hoi Sik Moon
  • Publication number: 20220068240
    Abstract: A display device according to an embodiment includes a plurality of display panels arranged adjacent to each other and each display panel including first pixels in the display panel and second pixels in the display panel and adjacent to a boundary area of the display panels, and a luminance correction unit configured to generate a correction grayscale value for the second pixel. The luminance correction unit includes an image mapping unit configured to map a captured luminance image to a unit pixel image, a de-blurring unit configured to perform a de-blurring operation on the mapped unit pixel image to calculate a correction luminance value for the second pixel, and a correction unit configured to calculate a correction grayscale value for the second pixel corresponding to the calculated correction luminance value of the second pixel.
    Type: Application
    Filed: April 15, 2021
    Publication date: March 3, 2022
    Inventors: Se Yun KIM, Sang Cheol PARK, Si Hun JANG, Min Gyu KIM, Hee Joon KIM, Jun Pyo LEE
  • Publication number: 20210272502
    Abstract: A display device according to some embodiments includes a display panel including a plurality of pixels, a timing controller for correcting an input image signal, and for transmitting the input image to the display panel, a memory for storing model correction data for correcting a gray value, the model correction data corresponding to respective models of a plurality of timing controllers, and for storing image quality correction data for correcting a gamma deviation of the display panel, and a correction controller for generating final correction data by using the model correction data and the image quality correction data, and for transmitting the final correction data to the timing controller.
    Type: Application
    Filed: November 9, 2020
    Publication date: September 2, 2021
    Inventors: Min Gyu KIM, Hee Joon KIM, Si Hun JANG, Hoi Sik MOON
  • Patent number: 11049432
    Abstract: A display apparatus includes a display panel, a driving controller, a gate driver and a data driver. The display panel includes a plurality of gate lines, a plurality of data lines and a plurality of pixels. The pixels are connected to the gate lines and the data lines. The driving controller determines a compensating value of a present data signal based on a previous data signal and the present data signal which are applied to a same data line of the data lines. The gate driver outputs a gate signal to the gate line. The data driver generates a data voltage based on the present data signal and the compensating value and outputs the data voltage to the same data line.
    Type: Grant
    Filed: December 3, 2019
    Date of Patent: June 29, 2021
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Mingyu Kim, Hoisik Moon, Hee Joon Kim, Juneyoung Lee
  • Patent number: 10885829
    Abstract: A driving controller includes a first compensator and a second compensator. The first compensator is configured to generate first compensation data based on input image data. The second compensator is configured to generate second compensation data based on present frame data of the input image data, previous frame data of the input image data, present frame data of the first compensation data and previous frame data of the first compensation data.
    Type: Grant
    Filed: July 1, 2019
    Date of Patent: January 5, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Mingyu Kim, Hee Joon Kim, Jae Seob Chung, Hoi Sik Moon
  • Publication number: 20200175910
    Abstract: A display apparatus includes a display panel, a driving controller, a gate driver and a data driver. The display panel includes a plurality of gate lines, a plurality of data lines and a plurality of pixels. The pixels are connected to the gate lines and the data lines. The driving controller determines a compensating value of a present data signal based on a previous data signal and the present data signal which are applied to a same data line of the data lines. The gate driver outputs a gate signal to the gate line. The data driver generates a data voltage based on the present data signal and the compensating value and outputs the data voltage to the same data line.
    Type: Application
    Filed: December 3, 2019
    Publication date: June 4, 2020
    Inventors: Mingyu KIM, Hoisik MOON, Hee Joon KIM, Juneyoung LEE
  • Publication number: 20200111405
    Abstract: A driving controller includes a first compensator and a second compensator. The first compensator is configured to generate first compensation data based on input image data. The second compensator is configured to generate second compensation data based on present frame data of the input image data, previous frame data of the input image data, present frame data of the first compensation data and previous frame data of the first compensation data.
    Type: Application
    Filed: July 1, 2019
    Publication date: April 9, 2020
    Inventors: Mingyu KIM, Hee Joon KIM, Jae Seob CHUNG, Hoi Sik MOON
  • Patent number: 9761184
    Abstract: A method of driving a display panel includes generating corrected grayscale data utilizing a grayscale correction value of a reference pixel including m×n pixels, “m” and “n” being natural numbers greater than zero, and driving M×N pixels of the display panel based on the corrected grayscale data, “M” and “N” being natural numbers greater than zero. “M” is greater than “m” and “N” is greater than “n.
    Type: Grant
    Filed: February 5, 2014
    Date of Patent: September 12, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hee-Joon Kim, Byoung-Seok Yoo, Jeong-Woon Lee, Hoi-Sik Moon
  • Patent number: 9481779
    Abstract: The present invention relates to an adhesive varnish composition having remarkably improved optical loss and haze values for use in an optical material, and a method for preparing the same. Specifically, an adhesive varnish prepared by the method according to the present invention shows high light transmittance and can prevent yellowing by maintaining the stable dispersion of a filler due to a high viscosity. In addition, the adhesive varnish according to the present invention can be applied to various fields such as a silicon film, a diffusion sheet, a reflective sheet, a reflector, an LED, an LED package, a COB, and the like.
    Type: Grant
    Filed: November 14, 2013
    Date of Patent: November 1, 2016
    Inventor: Hee Joon Kim
  • Patent number: 9406630
    Abstract: A contact portion of wiring and a method of manufacturing the same are disclosed. A contact portion of wiring according to an embodiment includes: a substrate; a conductive layer disposed on the substrate; an interlayer insulating layer disposed on the conductive layer and having a contact hole; a metal layer disposed on the conductive layer and filling the contact hole; and a transparent electrode disposed on the interlayer insulating layer and connected to the metal layer, wherein the interlayer insulating layer includes a lower insulating layer and an upper insulating layer disposed on the lower insulating layer, the lower insulating layer is undercut at the contact hole, and the metal layer fills in the portion where the lower insulating layer is undercut.
    Type: Grant
    Filed: December 22, 2014
    Date of Patent: August 2, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Joo-Han Kim, Ki-Yong Song, Dong-Ju Yang, Hee-Joon Kim, Yeo-Geon Yoon, Sung-Hen Cho, Chang-Hoon Kim, Jae-Hong Kim, Yu-Gwang Jeong, Ki-Yeup Lee, Sang-Gab Kim, Yun-Jong Yeo, Shin-Il Choi, Ji-Young Park
  • Patent number: 9298315
    Abstract: Provided is a display device including a photo sensor and a driving method. The display device includes a first sensing unit and a second sensing unit that sense light, at least one sensing signal line that is connected with the first sensing unit and the second sensing unit and transmits a reference voltage for resetting the first sensing unit and the second sensing unit, a sensing signal processor that processes a sensing signal from the sensing signal line, and a backlight that irradiates internal light toward the first sensing unit and the second sensing unit during an internal light irradiation period which is repeated per frame, in which the first sensing unit is reset once and the second sensing unit is reset at least three times during each frame.
    Type: Grant
    Filed: August 17, 2012
    Date of Patent: March 29, 2016
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventor: Hee Joon Kim
  • Publication number: 20150275056
    Abstract: The present invention relates to an adhesive varnish composition having remarkably improved optical loss and haze values for use in an optical material, and a method for preparing the same. Specifically, an adhesive varnish prepared by the method according to the present invention shows high light transmittance and can prevent yellowing by maintaining the stable dispersion of a filler due to a high viscosity. In addition, the adhesive varnish according to the present invention can be applied to various fields such as a silicon film, a diffusion sheet, a reflective sheet, a reflector, an LED, an LED package, a COB, and the like.
    Type: Application
    Filed: November 14, 2013
    Publication date: October 1, 2015
    Inventor: Hee Joon Kim
  • Publication number: 20150108489
    Abstract: A contact portion of wiring and a method of manufacturing the same are disclosed. A contact portion of wiring according to an embodiment includes: a substrate; a conductive layer disposed on the substrate; an interlayer insulating layer disposed on the conductive layer and having a contact hole; a metal layer disposed on the conductive layer and filling the contact hole; and a transparent electrode disposed on the interlayer insulating layer and connected to the metal layer, wherein the interlayer insulating layer includes a lower insulating layer and an upper insulating layer disposed on the lower insulating layer, the lower insulating layer is undercut at the contact hole, and the metal layer fills in the portion where the lower insulating layer is undercut.
    Type: Application
    Filed: December 22, 2014
    Publication date: April 23, 2015
    Inventors: Joo-Han KIM, Ki-Yong SONG, Dong-Ju YANG, Hee-Joon KIM, Yeo-Geon YOON, Sung-Hen CHO, Chang-Hoon KIM, Jae-Hong KIM, Yu-Gwang JEONG, Ki-Yeup LEE, Sang-Gab KIM, Yun-Jong YEO, Shin-Il CHOI, Ji-Young PARK
  • Publication number: 20150070403
    Abstract: A method of driving a display panel includes generating corrected grayscale data utilizing a grayscale correction value of a reference pixel including m×n pixels, “m” and “n” being natural numbers greater than zero, and driving M×N pixels of the display panel based on the corrected grayscale data, “M” and “N” being natural numbers greater than zero. “M” is greater than “m” and “N” is greater than “n.
    Type: Application
    Filed: February 5, 2014
    Publication date: March 12, 2015
    Applicant: Samsung Display Co., Ltd.
    Inventors: Hee-Joon KIM, Byoung-Seok Yoo, Jeong-Woon Lee, Hoi-Sik Moon
  • Patent number: 8946004
    Abstract: A contact portion of wiring and a method of manufacturing the same are disclosed. A contact portion of wiring according to an embodiment includes: a substrate; a conductive layer disposed on the substrate; an interlayer insulating layer disposed on the conductive layer and having a contact hole; a metal layer disposed on the conductive layer and filling the contact hole; and a transparent electrode disposed on the interlayer insulating layer and connected to the metal layer, wherein the interlayer insulating layer includes a lower insulating layer and an upper insulating layer disposed on the lower insulating layer, the lower insulating layer is undercut at the contact hole, and the metal layer fills in the portion where the lower insulating layer is undercut.
    Type: Grant
    Filed: August 19, 2009
    Date of Patent: February 3, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Joo-Han Kim, Ki-Yong Song, Dong-Ju Yang, Hee-Joon Kim, Yeo-Geon Yoon, Sung-Hen Cho, Chang-Hoon Kim, Jae-Hong Kim, Yu-Gwang Jeong, Ki-Yeup Lee, Sang-Gab Kim, Yun-Jong Yeo, Shin-Il Choi, Ji-Young Park