Patents by Inventor Cheol Jang

Cheol Jang 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).

  • Water pump
    Patent number: 10859090
    Abstract: A water pump includes: an upper housing formed with an inlet and an outlet of fluid; a lower housing installed to fit in a lower side of the upper housing, having a receiving space formed therein; a shaft fixing support having a lower part of a protrudedly formed shaft inserted in the center of a bottom part of the lower housing; an impeller installed around the shaft; a rotor configured by having a magnet installed around a rotor core; a stator installed inside the lower housing; a lower cover; a shaft upper part fixing support member installed in an upper side of the shaft erectedly inserted in the shaft fixing support; and a synthetic resin mold member formed with a first synthetic resin mold around an outer side of the shaft fixing support and around the shaft, and a second synthetic resin mold around an outer side of the rotor.
    Type: Grant
    Filed: September 18, 2017
    Date of Patent: December 8, 2020
    Assignee: NEW MOTECH CO., LTD.
    Inventors: Jeong Cheol Jang, Ji Min Lee, Seong Jin Lee
  • Washing machine
    Patent number: 10851486
    Abstract: A washing machine include a main body in which an inlet is formed in a front portion thereof; a tub provided inside the main body; a washing tub rotatably provided inside the tub; and a sink provided on the main body and having a water tank formed to be recessed to store water, wherein the water tank includes a soaking part in which laundry is soaked and a scrubbing part on which laundry is scrubbed and hand-washed, the function of soaking the laundry in water and the function of hand-washing are provided and the washing effect is improved.
    Type: Grant
    Filed: August 17, 2016
    Date of Patent: December 1, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: In Cheol Jang, Amitoj Singh, Hyun Sik Lee, Jeoung Kyo Jeoung, Kang Doo Kim, Doo Young Rou, Seung Youp Lee, Ha Yong Jang
  • Display device and head mount display device
    Patent number: 10854849
    Abstract: A display device comprising: a substrate; a plurality of display elements disposed on the substrate; and a diffraction pattern layer disposed on a path of light emitted from the plurality of display elements. The diffraction pattern layer comprises a plurality of diffraction patterns which is disposed with a predetermined pitch, and the plurality of diffraction patterns do not overlap the plurality of display elements; and when a width of a cross section of each of the plurality of diffraction patterns is defined as a length of each diffraction pattern, the predetermined pitch and the length of each diffraction pattern satisfy the following inequation: 0.4?d1/DP1<1, where DP1 denotes the predetermined pitch, and d1 denotes the length of each diffraction pattern.
    Type: Grant
    Filed: July 23, 2018
    Date of Patent: December 1, 2020
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Sang Hwan Cho, Chung Sock Choi, Hyun Ho Kim, So Young Lee, Cheol Jang, Sun Young Jung
  • DRIVING APPARATUS FOR WASHING MACHINE
    Publication number: 20200370225
    Abstract: A driving apparatus for a washing machine includes a clutch main body 1 in which a brake drum 13 is located inside; a clutch operation unit 2 installed at one side of the clutch main body 1; a clutch coupler 20 located at the bottom of the clutch main body 1; a decelerator 3 located at the bottom of the clutch coupler 20; a rotating driving means 4 located at the bottom of the decelerator; a washing shaft 5 in which a pulsator is coupled to the top end; and a dewatering shaft 6 in which the washing shaft 5 is rotatably coupled inside and a washing tub is coupled to the top end thereof.
    Type: Application
    Filed: July 11, 2017
    Publication date: November 26, 2020
    Applicant: NEW MOTECH CO., LTD.
    Inventors: Jeong Cheol JANG, Seong Jung JU, Wang Gyu JEONG, Beom Seok LEE
  • DISPLAY DEVICE, ORGANIC LIGHT EMITTING DISPLAY DEVICE, AND HEAD-MOUNTED DISPLAY DEVICE
    Publication number: 20200348520
    Abstract: A display device includes a substrate, a first display element which is disposed on the substrate, and a plurality of diffraction patterns which are disposed on a path of light emitted from the first display element and arranged along a direction with a first period. when a width of a cross section of one of the plurality of diffraction patterns is defined as a first length, the first period and the first length satisfy Inequality (1): 0.4?d1/DP1?1,??(1) where DP1 is the first period, and d1 is the first length.
    Type: Application
    Filed: June 15, 2020
    Publication date: November 5, 2020
    Inventors: Sang Hwan CHO, So Young LEE, Sun Young JUNG, Chung Sock CHOI, Sun Mi KANG, Hyun Ho KIM, Cheol JANG, Sang Hyun HAN
  • Stack structure of rotor core
    Patent number: 10811918
    Abstract: A stack structure of a rotor core, includes: a plurality of first core layers, each of the first core layers being formed by stacking first core sheets, each of the first core sheets including: an annular base having a shaft through-hole at a central portion thereof; a plurality of yokes spaced apart from each other to be arranged along a circumferential direction of the base and to form a plurality of magnet insertion parts for accommodating magnets; and a plurality of bridges connecting the base and the yokes; and a plurality of second core layers, each of the second core layers being formed by stacking second core sheets, each of the second core sheets including: a plurality of yokes in which the bases and the bridges are removed from the first core sheet, wherein the first core layers and the second core layers are alternately stacked.
    Type: Grant
    Filed: June 19, 2015
    Date of Patent: October 20, 2020
    Assignee: NEW MOTECH CO., LTD.
    Inventors: Jeong Cheol Jang, Ji Min Lee, Nam Jong Kim
  • SWITCHED RELUCTANCE MOTOR
    Publication number: 20200321834
    Abstract: A switched reluctance motor includes an upper housing; a stator assembly including a stator core coupled to the upper housing; a rotor assembly located inside the stator assembly and comprising a rotor core rotating together with a shaft; a lower housing coupled to a lower part of the stator core; a sensor magnet assembly coupled to an upper part of the shaft and rotating together with the shaft; and a hall sensor assembly installed inside the upper housing and installed at one side of the sensor magnet assembly.
    Type: Application
    Filed: September 28, 2018
    Publication date: October 8, 2020
    Applicant: NEW MOTECH CO., LTD.
    Inventors: Jeong Cheol JANG, Gyeong Sik YANG, Nam Youn KIM
  • Blower motor
    Patent number: 10790720
    Abstract: A blower motor includes upper and lower bearings 21 and 22 which are respectively installed on a top and a bottom of a rotating shaft 10; a rotor 30 which is installed around the rotating shaft 10; a stator 40 which gives a magnetic field to the rotor 30 to help the rotor 30 rotate; a fan 50 which is inserted into the top of the rotating shaft 10 to rotate; and a lower housing 60 which supports the bottom of the rotating shaft 10.
    Type: Grant
    Filed: September 18, 2017
    Date of Patent: September 29, 2020
    Assignee: NEW MOTECH CO., LTD.
    Inventors: Jeong Cheol Jang, Ji Min Lee
  • Method for supplying molten carbonate fuel cell with electrolyte and molten carbonate fuel cell using the same
    Patent number: 10777834
    Abstract: Disclosed are a method for supplying molten carbonate fuel cell with electrolyte and a molten carbonate fuel cell using the same, wherein a molten carbonate electrolyte is generated from a molten carbonate electrolyte precursor compound in a molten carbonate fuel cell and is supplied to the molten carbonate fuel cell.
    Type: Grant
    Filed: August 11, 2017
    Date of Patent: September 15, 2020
    Assignee: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Sung Pil Yoon, Jonghee Han, Hyung Chul Ham, Chang Won Yoon, Sun-Hee Choi, Hyun Seo Park, Yeong Cheon Kim, Chang-Whan Lee, Hyoung-Juhn Kim, Tae Hoon Lim, Suk Woo Nam, Seong Cheol Jang
  • METHOD FOR VISUALIZATION OF CONJUNCTIVAL CELLS USING FLUOROQUINOLONE ANTIBIOTICS AND METHOD FOR DIAGNOSIS OF OCULAR LESIONS USING THE SAME
    Publication number: 20200278299
    Abstract: A method for visualization of conjunctival cells using fluoroquinolone antibiotics and a method for diagnosis of ocular lesions using the same. The method for visualization of conjunctival cells using fluoroquinolone antibiotics includes staining goblet cells of ocular conjunctiva with moxifloxacin, which is a fluoroquinolone antibiotic, and exciting the stained goblet cells with single photons in the near-UV region or in the visible region, followed by fluorescence photographing of the goblet cells, thereby enabling acquisition of morphological information on living tissue without damage to or destruction of the ocular conjunctiva.
    Type: Application
    Filed: February 28, 2019
    Publication date: September 3, 2020
    Inventors: Seonghan KIM, Ki Hean KIM, Myoung Joon KIM, Seunghun LEE, Hoon Cheol JANG, Viet Hoan LE, Soo Hyun PARK
  • FLUORESCENCE ENDOSCOPIC METHOD FOR VISUALIZATION OF COLORECTAL TISSUE USING FLUOROQUINOLONE ANTIBIOTICS AND METHOD FOR DIAGNOSIS OF LESIONS OF COLORECTAL TISSUE USING THE SAME
    Publication number: 20200275829
    Abstract: A fluorescence endoscopic method for visualization of colorectal tissue using a fluoroquinolone antibiotic and a method for diagnosis of lesions of colorectal tissue using the same. The fluorescence endoscopic method for visualization of colorectal tissue includes staining goblet cells of the colorectal tissue with moxifloxacin, which is a fluoroquinolone antibiotic, and exciting the stained goblet cells with single photons in the near UV region or in the visible region, followed by fluorescence endoscopic photographing of the goblet cells, thereby enabling acquisition of morphological information on living tissue without damage to or destruction of the colorectal tissue, while allowing diagnosis of lesions of the colon based on the morphological information on living tissue such as information on the distribution of the goblet cells.
    Type: Application
    Filed: February 28, 2019
    Publication date: September 3, 2020
    Inventors: Seong Han KIM, Seunghun LEE, Hoon Cheol JANG, Bumju KIM, Viet Hoan LE, Wonyeong PARK, Ki Hean KIM, Seung Jae MYUNG, Seungrag LEE
  • Display module and head mounted display device
    Patent number: 10746995
    Abstract: Provided is a head mounted display device including a housing for providing a darkroom space, a display module in the housing and to display an image, and an optical lens for expanding the image to provide the image to a user. The display module includes a destructive interference structure which removes the image reflected from the optical lens without reflecting the image again.
    Type: Grant
    Filed: June 20, 2017
    Date of Patent: August 18, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Soyoung Lee, Sunyoung Jung, Hyunho Kim, Chungsock Choi, Sang-hwan Cho, Cheol Jang
  • AMMONIA MEMBRANE REACTOR COMPRISING A COMPOSITE MEMBRANE
    Publication number: 20200197889
    Abstract: The present specification discloses a membrane reactor comprising a reaction region; a permeate region; and a composite membrane disposed at a boundary of the reaction region and the permeate region, wherein the reaction region comprises a bed filled with a catalyst for dehydrogenation reaction, wherein the composite membrane comprises a support layer including a metal with a body-centered-cubic (BCC) crystal structure, and a catalyst layer including a palladium (Pd) or a palladium alloy formed onto the support layer, wherein ammonia (NH3) is supplied to the reaction region, the ammonia is converted into hydrogen (H2) by the dehydrogenation reaction in the presence of the catalyst for dehydrogenation reaction, and the hydrogen permeates the composite membrane and is emitted from the membrane reactor through the permeate region.
    Type: Application
    Filed: December 19, 2019
    Publication date: June 25, 2020
    Inventors: Young Suk JO, Chang Won YOON, Hyuntae SOHN, Hyangsoo JEONG, Seong Cheol JANG, Yeong Cheon KIM, Jonghee HAN, Suk Woo NAM
  • Display device, organic light emitting display device, and head-mounted display device
    Patent number: 10684481
    Abstract: A display device includes a substrate, a first display element which is disposed on the substrate, and a plurality of diffraction patterns which are disposed on a path of light emitted from the first display element and arranged along a direction with a first period. when a width of a cross section of one of the plurality of diffraction patterns is defined as a first length, the first period and the first length satisfy Inequality (1): 0.4?d1/DP1?1,??(1) where DP1 is the first period, and d1 is the first length.
    Type: Grant
    Filed: March 29, 2018
    Date of Patent: June 16, 2020
    Assignee: SAMSUNG DISPLAY CO. LTD.
    Inventors: Sang Hwan Cho, So Young Lee, Sun Young Jung, Chung Sock Choi, Sun Mi Kang, Hyun Ho Kim, Cheol Jang, Sang Hyun Han
  • Driving apparatus for washing machine
    Patent number: 10662569
    Abstract: Disclosed is a driving apparatus for a washing machine, which includes a washing shaft and a dewatering shaft which penetrate into the inside; an annular clutch holder installed at the bottom of the clutch housing; a clutch lever hinge-coupled to the clutch holder, the clutch lever consisting of a top rotating unit and a coupler receiving unit; a driving lever having a lever arm connected to the top rotating unit of the clutch lever by a linking spring to operate; a clutch coupler laid on the top of the coupler receiving unit to make up and down spline movement by the coupler receiving unit; and a motor assembly comprising a stator assembly coupled to the bottom of the clutch holder and comprising a stator core, and a rotor assembly comprising a rotor housing.
    Type: Grant
    Filed: August 17, 2016
    Date of Patent: May 26, 2020
    Assignee: NEW MOTECH CO., LTD.
    Inventors: Jeong Cheol Jang, Ji Min Lee, Gyeong Sik Yang
  • SEMICONDUCTOR DEVICE HAVING A SUPER JUNCTION STRUCTURE AND METHOD OF MANUFACTURING THE SAME
    Publication number: 20200127088
    Abstract: A semiconductor device having a super junction and a method of manufacturing the semiconductor device capable of obtaining a high breakdown voltage are provided, whereby charge balance of the super junction is further accurately controlled in the semiconductor device that is implemented by an N-type pillar and a P-type pillar. The semiconductor device includes a semiconductor substrate; and a blocking layer including a first conductive type pillar and a second conductive type pillar that extend in a vertical direction on the semiconductor substrate and that are alternately arrayed in a horizontal direction, wherein, in the blocking layer, a density profile of a first conductive type dopant may be uniform in the horizontal direction, and the density profile of the first conductive type dopant may vary in the vertical direction.
    Type: Application
    Filed: December 20, 2019
    Publication date: April 23, 2020
    Applicant: SEMICONDUCTOR COMPONENTS INDUSTRIES, LLC
    Inventors: Jae-gil LEE, Jin-myung KIM, Kwang-won LEE, Kyoung-deok KIM, Ho-cheol JANG
  • Motor having stator with coupled teeth
    Patent number: 10622851
    Abstract: A motor having a stator with coupled teeth according to the present invention includes a stator which includes a circular base, a plurality of poles radially formed in the base, and a plurality of teeth formed on an outer diameter of the pole; and a rotor which includes a rotor housing in which the stator is positioned inside and a plurality of magnets facing the teeth are formed on an inner wall, wherein two teeth are symmetrically formed on an outer diameter portion for each pole, and the number of teeth is twice the number of poles.
    Type: Grant
    Filed: October 6, 2016
    Date of Patent: April 14, 2020
    Assignees: NEW MOTECH CO., LTD., INDUSTRY ACADEMIC COOPERATION FOUNDATION, KUNSAN NATIONAL UNIVERSITY
    Inventors: Jeong Cheol Jang, Ji Min Lee, Gyeong Sik Yang, Seung Hoon Lee, Byung Taek Kim, Nam Jong Kim
  • LIQUID HYDROGEN FUELING SYSTEM INCLUDING LIQUID HYDROGEN STORAGE TANK AND FUELING METHOD THEREOF
    Publication number: 20200096157
    Abstract: Disclosed herein are a liquid hydrogen fueling system including a liquid hydrogen storage tank and a fueling method thereof. The liquid hydrogen fueling system partitions the inner tank of the liquid hydrogen storage tank into a first inner tank and a second inner tank, which are separate from each other, and makes liquid hydrogen easily flow from the liquid hydrogen storage tank to a high-pressure pump using the difference between the pressure inside the first inner tank and the pressure inside the second inner tank, thereby enabling high-pressure charging of liquid hydrogen in spite of the low density thereof.
    Type: Application
    Filed: December 19, 2018
    Publication date: March 26, 2020
    Applicant: Hylium Industries, Inc.
    Inventors: Seo Young Kim, Se Cheol JANG
  • Flexible substrate, method of manufacturing the same, and display apparatus employing the same
    Patent number: 10559769
    Abstract: A method of manufacturing a flexible substrate includes injecting a first reactant above a polymer substrate into a top surface of the polymer substrate and infiltrating the first reactant into the polymer substrate, injecting a second reactant below the polymer substrate into a bottom surface of the polymer substrate and infiltrating the second reactant into the polymer substrate, and forming a barrier region by filling at least a portion of a free volume of the polymer substrate with an inorganic material formed via a reaction of the first and second reactants inside the polymer substrate.
    Type: Grant
    Filed: March 1, 2019
    Date of Patent: February 11, 2020
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventor: Cheol Jang
  • COMPACT AIR COMPRESSOR
    Publication number: 20200011315
    Abstract: A cylinder coupling structure of a compact air compressor includes a block provided with a suction valve and a discharge valve to be integrally formed with a suction muffler and a discharge muffler to block a front end of the cylinder, a tubular-shaped cylinder coupled to the block, a valve cover covering the valve assembly, at least one pressurized bolt coupling the valve cover and the block, a piston reciprocating inside the cylinder, a stator coupled to the block, a rotator located to rotate relatively with respect to the stator, a crank axis coupled to the rotator to rotate integrally with the rotator to be rotatable coaxially with the block, and a connecting rod, each of both ends thereof being connected to the crank axis and the piston, respectively.
    Type: Application
    Filed: April 4, 2018
    Publication date: January 9, 2020
    Applicant: NEW MOTECH CO., LTD.
    Inventors: Jeong Cheol JANG, Jong Hyuk KIM, Jin Sun PARK