Patents by Inventor Won-ju Kim

Won-ju 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: 20240123507
    Abstract: A powder supply management system for a laser forming device, includes: a hopper for discharging powder; a main sampling unit which guides a portion of the powder discharged from the hopper to the laser forming device and guides the remaining powder to be discharged to another location; and a discharge monitoring unit which calculates an amount of the remaining powder separated in the main sampling unit.
    Type: Application
    Filed: February 17, 2022
    Publication date: April 18, 2024
    Applicant: INSSTEK, INC.
    Inventors: Suk Hyun SEO, Won Hoe KIM, Seon Ju LEE
  • Patent number: 11958396
    Abstract: A hidden type holder device includes: a stationary assembly, a movable assembly, and a first return spring, the movable assembly is accommodated in the stationary assembly and movable to the inside or outside of the stationary assembly, the movable assembly has a retractable holder assembly for accommodating an article, and two opposite end portions of the return spring are respectively mounted on the stationary assembly and the movable assembly.
    Type: Grant
    Filed: November 23, 2021
    Date of Patent: April 16, 2024
    Assignees: Hyundai Motor Company, Kia Corporation, Nifco Korea Inc., Seoyon E-Hwa Co., Ltd.
    Inventors: Chun Lei Sang, Cheng Kun Li, Won Young Bae, Bong Ju Choi, Dae Kyo Kim
  • Patent number: 11951722
    Abstract: A display device includes a display panel comprises a display area and a non-display area surrounding the display area; a cover panel disposed on a rear surface of the display panel and comprising a front surface, a first side surface connected to the front surface and bent along a first bending line, a second side surface connected to the front surface and bent along a second bending line intersecting the first bending line, and a first corner located between the first side surface and the second side surface; and an alignment notch defined at the first corner of the cover panel.
    Type: Grant
    Filed: May 12, 2021
    Date of Patent: April 9, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Dae Hyun Hwang, Won Ju Kim, Do Hyung Ryu, Wu Hyeon Jung
  • Publication number: 20240097466
    Abstract: Disclosed is a high voltage output device having a serial-parallel stack structure of capacitors. The high voltage output device includes a substrate includes a capacitor element and a pillar structure provided on an upper surface of the substrate. The substrate includes a first electrode and a second electrode, which have different potentials from each other. The capacitor element is connected to at least one of the first electrode and the second electrode.
    Type: Application
    Filed: November 16, 2023
    Publication date: March 21, 2024
    Applicant: JEISYS MEDICAL INC.
    Inventors: Seung Wook LEE, Seung In KANG, Yeong Gi JEON, Si Youn KIM, Kyu Young SEO, Min Young KIM, Won Ju YI, Dong Hwan KANG
  • Publication number: 20240088432
    Abstract: An embodiment sulfur dioxide-based inorganic electrolyte is provided in which the sulfur dioxide-based inorganic electrolyte is represented by a chemical formula M·(A1·Cl(4-x)Fx)z·ySO2. In this formula, M is a first element selected from the group consisting of Li, Na, K, Ca, and Mg, A1 is a second element selected from the group consisting of Al, Fe, Ga, and Cu, x satisfies a first equation 0?x?4, y satisfies a second equation 0?y?6, and z satisfies a third equation 1?z?2.
    Type: Application
    Filed: April 12, 2023
    Publication date: March 14, 2024
    Inventors: Kyu Ju Kwak, Won Keun Kim, Eun Ji Kwon, Samuel Seo, Yeon Jong Oh, Kyoung Han Ryu, Dong Hyun Lee, Han Su Kim, Ji Whan Lee, Seong Hoon Choi, Seung Do Mun
  • Patent number: 11925059
    Abstract: An organic light emitting diode display device includes a substrate having an emitting area and a non-emitting area. An insulating layer is on the substrate, and the insulating layer includes a plurality of convex portions, a plurality of connecting portions and at least one wall in the emitting area. A height of the at least one wall is greater than a height of the plurality of convex portions. A first electrode is on the substream, emitting layer is on the first electrode, a second electrode is on the emitting layer. The first electrode, the emitting layer and the second electrode constitute a light emitting diode.
    Type: Grant
    Filed: June 30, 2020
    Date of Patent: March 5, 2024
    Assignee: LG Display Co., Ltd.
    Inventors: Hyun-Soo Lim, Kang-Ju Lee, Soo-Kang Kim, Won-Hoe Koo, Min-Geun Choi
  • Publication number: 20240003078
    Abstract: A coffee recycled vegan leather sheet and the method for manufacturing the coffee recycled vegan leather sheet may include: a coffee grounds powder manufacturing step of drying coffee grounds to remove moisture, and pulverizing a dried coffee grounds to produce micronized coffee grounds powder; a first mixing step of mixing the coffee grounds powder obtained from the coffee grounds powder manufacturing step and a shaving scrap and latex, which are usually used as raw materials for recycled leather, into a mixing tank, respectively, and a second mixing step of adding a fatliquoring agent and a dispersing agent for imparting flexibility to the mixture into the mixing tank for mixing; a coffee regenerated leather molding step of drying the mixture that has undergone the secondary mixing step and passing it between pressing rolls to compression-mold it into regenerated coffee leather.
    Type: Application
    Filed: November 3, 2022
    Publication date: January 4, 2024
    Inventors: Ho Jin KIM, Won Ju KIM, Jung Kwang YOON, Jin Soo KANG
  • Publication number: 20220163944
    Abstract: An apparatus for detecting the status of a tool in a machine tool may include: a sensor unit configured to sense acceleration of a spindle of the machine tool in an x-axis direction and a y-axis direction during processing; and a processing device configured to convert the x-axis signal and the y-axis signal, sensed by the sensor unit, into signals capable of representing a cutting force by processing the x-axis and y-axis signals, detect a resultant force, and plot the detected resultant force on a polar coordinate system.
    Type: Application
    Filed: June 3, 2021
    Publication date: May 26, 2022
    Inventors: Young Kyo OH, Won Ju KIM, Yeo Chan YOON
  • Publication number: 20210378107
    Abstract: A display device includes a display panel comprises a display area and a non-display area surrounding the display area; a cover panel disposed on a rear surface of the display panel and comprising a front surface, a first side surface connected to the front surface and bent along a first bending line, a second side surface connected to the front surface and bent along a second bending line intersecting the first bending line, and a first corner located between the first side surface and the second side surface; and an alignment notch defined at the first corner of the cover panel.
    Type: Application
    Filed: May 12, 2021
    Publication date: December 2, 2021
    Inventors: Dae Hyun HWANG, Won Ju KIM, Do Hyung RYU, Wu Hyeon JUNG
  • Patent number: 10941255
    Abstract: A method of making a lightweight foamed recycled leather is described. The method includes pulverizing the collagen fiber waste generated in a controlling a thickness of the leather during a leather process; neutralizing the resultant of step (a) by a soda ash with a water; (c) dyeing and fat-liquoring process treating the resultant of the step (c); (d) mixing a latex, a dispersant, a coagulant, and a thermally expandable microspheres with the resultant of step (c); (e) coagulating a collagen fiber powder and the latex by adding a coagulant into the resultant of step (d); (f) dehydrating and drying the resultant of step (e); and (g) heat treating the resultant of step (f) to foam thermally expandable microspheres, thereby to impart functionality to the recycled leather.
    Type: Grant
    Filed: April 2, 2019
    Date of Patent: March 9, 2021
    Assignees: ENR CO., LTD., KOREA INSTITUTE OF FOOTWEAR & LEATHER TECHNOLOGY
    Inventors: Soon Bae Kim, Won Ju Kim, Eun Chul Shin, Yeong Woo Kim
  • Publication number: 20200323239
    Abstract: Disclosed are a method of manufacturing fermented porcine blood having antibacterial activity and poultry egg-laying enhancement and weight gain effects, and an antibacterial composition and a poultry feed composition using the fermented porcine blood.
    Type: Application
    Filed: November 8, 2019
    Publication date: October 15, 2020
    Inventors: Haeng Soo YU, Sang Wook MOON, Chin Kyung KIM, Eum Mi PARK, Won Ju KIM, Eun Chule SHIN, Yeong Woo KIM, Jae Hwang KIM, Bong Kyu YANG
  • Publication number: 20190367684
    Abstract: A method of making a lightweight foamed recycled leather, the method includes pulverizing the collagen fiber waste generated in a controlling a thickness of the leather during a leather process; neutralizing the resultant of step (a) by a soda ash with a water; (c) dyeing and fat-liquoring process treating the resultant of the step (c); (d) mixing a latex, a dispersant, a coagulant, and a thermally expandable microspheres with the resultant of step (c); (e) coagulating a collagen fiber powder and the latex by adding a coagulant into the resultant of step (d); (f) dehydrating and drying the resultant of step (e); and (g) heat treating the resultant of step (f) to foam thermally expandable microspheres, thereby to impart functionality to the recycled leather.
    Type: Application
    Filed: April 2, 2019
    Publication date: December 5, 2019
    Inventors: Soon Bae KIM, Won Ju KIM, Eun Chul SHIN, Yeong Woo KIM
  • Patent number: 9632350
    Abstract: A liquid crystal display device includes a backlight assembly including a light source that generates a light and an optical sheet that transmits the light, and a display panel disposed on the backlight assembly. The optical sheet includes a light-transmitting portion and an extending portion that are formed as a unitary single unit, and further includes a side light-blocking portion that is combined with the extending portion. The light-transmitting portion extends in a first direction, and the extending portion extends continuously from an end of the light-transmitting portion in a second direction that is different from the first direction.
    Type: Grant
    Filed: August 18, 2014
    Date of Patent: April 25, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yun-Ha Nam, Won-Ju Kim
  • Patent number: 9204143
    Abstract: A motion sensing method is implemented by an image sensor, the image sensor including a first pixel and a second pixel. The method includes outputting a first pixel signal of the first pixel during a first integration time of a frame period, outputting a second pixel signal of the second pixel during a second integration time of the frame period, and generating comparison signals indicative of a sensed moving object by comparing the first pixel signal and the second pixel signal.
    Type: Grant
    Filed: March 15, 2013
    Date of Patent: December 1, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Yibing Wang, Yoon Dong Park, Dong-Ki Min, Won Ju Kim
  • Publication number: 20150277185
    Abstract: A liquid crystal display device includes a backlight assembly including a light source that generates a light and an optical sheet that transmits the light, and a display panel disposed on the backlight assembly. The optical sheet includes a light-transmitting portion and an extending portion that are formed as a unitary single unit, and further includes a side light-blocking portion that is combined with the extending portion. The light-transmitting portion extends in a first direction, and the extending portion extends continuously from an end of the light-transmitting portion in a second direction that is different from the first direction.
    Type: Application
    Filed: August 18, 2014
    Publication date: October 1, 2015
    Inventors: Yun-Ha NAM, Won-Ju KIM
  • Patent number: 8922732
    Abstract: A light emitting diode (“LED”) backlight assembly. The LED backlight assembly has a bottom container which has a bottom plate and a side edge surrounding the bottom plate, a plurality of light emitting diode printed circuit boards (“LED-PCBs”) on the bottom plate, and a connector which is closely located to edge located LEDs. The connector of the LED-PCB is closely located to an LED driving board, which is disposed at a lateral space of a lateral part of the bottom container to limit a vertical thickness of the backlight light assembly.
    Type: Grant
    Filed: September 26, 2013
    Date of Patent: December 30, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jin-Hee Park, Yong-Woo Lee, Won-Ju Kim, Yong-Il Kim
  • Patent number: 8860905
    Abstract: A light emitting diode (“LED”) backlight assembly. The LED backlight assembly has a bottom container which has a bottom plate and a side edge surrounding the bottom plate, a plurality of light emitting diode printed circuit boards (“LED-PCBs”) on the bottom plate, and a connector which is closely located to edge located LEDs. The connector of the LED-PCB is closely located to an LED driving board, which is disposed at a lateral space of a lateral part of the bottom container to limit a vertical thickness of the backlight light assembly.
    Type: Grant
    Filed: September 26, 2013
    Date of Patent: October 14, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jin-Hee Park, Yong-Woo Lee, Won-Ju Kim, Yong-Il Kim
  • Publication number: 20140263953
    Abstract: A motion sensing method is implemented by an image sensor, the image sensor including a first pixel and a second pixel. The method includes outputting a first pixel signal of the first pixel during a first integration time of a frame period, outputting a second pixel signal of the second pixel during a second integration time of the frame period, and generating comparison signals indicative of a sensed moving object by comparing the first pixel signal and the second pixel signal.
    Type: Application
    Filed: March 15, 2013
    Publication date: September 18, 2014
    Inventors: YIBING WANG, Yoon Dong Park, Dong-Ki Min, Won Ju Kim
  • Patent number: 8810748
    Abstract: A light emitting diode (“LED”) backlight assembly. The LED backlight assembly has a bottom container which has a bottom plate and a side edge surrounding the bottom plate, a plurality of light emitting diode printed circuit boards (“LED-PCBs”) on the bottom plate, and a connector which is closely located to edge located LEDs. The connector of the LED-PCB is closely located to an LED driving board, which is disposed at a lateral space of a lateral part of the bottom container to limit a vertical thickness of the backlight light assembly.
    Type: Grant
    Filed: September 26, 2013
    Date of Patent: August 19, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jin-Hee Park, Yong-Woo Lee, Won-Ju Kim, Yong-Il Kim
  • Patent number: 8757861
    Abstract: A flat panel display device includes a bottom plate, a bottom sidewall which is extended upward from the bottom plate, and a first and second hook which protrude outward from the bottom sidewall, a mold frame includes a first protrusion including a guide hole therein and a second protrusion including a notch therein, a display panel is on the mold frame, and a top chassis includes a bezel portion which is opened at a center, a top sidewall which is extended downward from the bezel portion, a first and a second engagement hole at a position which respectively correspond to the first and second protrusion. The first protrusion is in the first engagement hole and the first hook is in the guide hole. The second protrusion is in the second engagement hole and the second hook is in the notch and in the second engagement hole.
    Type: Grant
    Filed: March 30, 2012
    Date of Patent: June 24, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventor: Won-Ju Kim