Patents by Inventor Kyu-Hwan Lee

Kyu-Hwan 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).

  • Patent number: 8393184
    Abstract: A drum-type washing machine is disclosed. The drum-type washing machine includes a case formed with an opening part for receiving therethrough laundry to be washed, a door opening and closing the opening part, a tub mounted in the case to receive wash water, a drum rotatably mounted in the tub, and a path compensation unit disposed at an inner lower end of the tub to facilitate flow of fluid while the drum is rotating. According to this drum-type washing machine, the dehydration efficiency can be improved.
    Type: Grant
    Filed: July 31, 2008
    Date of Patent: March 12, 2013
    Assignee: LG Electronics Inc.
    Inventors: Kyu Hwan Lee, Hee Tae Lim, Jae Hyun Choi, Ig Geun Kwon
  • Publication number: 20130048078
    Abstract: The present invention relates to a carbon nanotube-invaded metal oxide composite film used as an N-type metal oxide conductive film of an organic solar cell, a manufacturing method thereof, and the organic solar cell with an improved photoelectric conversion efficiency and improved durability using the same, and more specifically, to a metal oxide-carbon nanotube composite film, a manufacturing method thereof, and an organic solar cell with an improved photoelectric conversion efficiency and improved durability using the same, characterized in that a single-wall carbon nanotube which has been surface-treated by a metal oxide is uniformly dispersed and is combined with the metal oxide.
    Type: Application
    Filed: December 22, 2010
    Publication date: February 28, 2013
    Applicant: KOREA INSTITUTE OF MACHINERY AND MATERIALS
    Inventors: Dong Chan Lim, Kyu Hwan Lee, Yong Soo Jeong, Won Hyun Shim, Sun Young Park, Sung-Woo Cho
  • Patent number: 8356495
    Abstract: A laundry apparatus is disclosed. A laundry apparatus includes a cabinet, a drum rotatable in the cabinet, a weight balancer compensating eccentric rotation of the drum, and a securing member inertedly securing the weight balancer to the drum.
    Type: Grant
    Filed: May 15, 2009
    Date of Patent: January 22, 2013
    Assignee: LG Electronics Inc.
    Inventors: Kyu Hwan Lee, Jung Chan Kim, Hee Tae Lim
  • Publication number: 20120291275
    Abstract: Provided is a method of forming a metal interconnection line on a flexible substrate, wherein the method includes: coating a hard mask layer on at least one surface of the flexible substrate, followed by performing photolithography thereon to form a predetermined hard mask pattern; etching a portion of the flexible substrate by using the hard mask pattern as a mask to form a trench; plasma treating the inside of the trench by using a treatment gas for pre-treating the flexible substrate; coating a seed layer inside the trench; removing the hard mask pattern; and filling the inside of the trench coated with the seed layer with metal. A metal interconnection line formed by using the method may have a strong adhesion force with respect to the flexible substrate.
    Type: Application
    Filed: December 27, 2011
    Publication date: November 22, 2012
    Applicant: KOREA INSTITUTE OF MACHINERY & MATERIALS
    Inventors: Jong-Joo RHA, Kee-Seok NAM, Jung-Dae KWON, Kyu-Hwan LEE, Jong-Soo BAE, Joo-Yul LEE, Jong-Soo KO
  • Patent number: 8297084
    Abstract: A drum washing machine is provided. The drum washing machine includes a tub that stores wash water therein, a drum rotatably mounted within the tub, a motor mounted in a rear of the tub, the motor having a shaft to rotate the drum, a bearing housing inserted into the tub having a hollow portion, which allows the shaft of the motor to pass therethrough, formed in a center thereof, a bearing secured to the hollow of the bearing housing, and an outlet hole that discharges gas or moisture generated in the bearing and a portion adjacent to the bearing outside of the bearing housing. The drum washing machine so constructed has enhanced durability, because it includes the outlet hole provided in the bearing housing where the shaft rotates that prevents moisture or water from remaining in the bearing housing.
    Type: Grant
    Filed: May 2, 2006
    Date of Patent: October 30, 2012
    Assignee: LG Electronics Inc.
    Inventors: Yong Suck Park, Ig Geun Kweun, Kyu Hwan Lee
  • Publication number: 20120255616
    Abstract: The present invention relates to a metal-oxide/carbon-nanotube composite membrane to be used as a P-type conductive membrane for an organic solar cell, to a method for preparing same, and to an organic solar cell having improved photovoltaic conversion efficiency using the same. More particularly, the present invention relates to a metal-oxide/carbon-nanotube composite membrane to be used as a P-type conductive membrane for an organic solar cell, wherein said composite membrane is prepared by dispersing single-walled carbon nanotubes in an organic solvent, adding metal oxides to the mixed solution, dispersing the mixed solution to obtain a composite solution, and depositing the thus-obtained composite solution onto a substrate.
    Type: Application
    Filed: December 20, 2010
    Publication date: October 11, 2012
    Applicant: KOREA INSTITUTE OF MACHINERY AND MATERIALS
    Inventors: Dong Chan Lim, Kyu Hwan Lee, Yong Soo Jeong, Jae Wook Kang, Sun Young Park, Mi Yeong Park, Yeong-Tae Kim, Won Hyun Shim, Kang Ho Choi
  • Patent number: 8276408
    Abstract: A washing machine includes a tub made of plastic to store water therein and a drum rotatably installed in the tub to hold laundry therein. A shaft passes through the tub and connects to the drum to transmit driving power from a motor to the drum. A wall having a recessing part and a projecting part is formed on an inner surface or outer surface thereof in a circumferential direction. A bearing housing has a stator fastening part where the stator fastening part has a recessing part and a projecting part corresponding with the recessing part and the projecting part of the wall in a circumferential direction, and a stator of the motor is mounted on the stator fastening part and a rotor of the motor is connected to a rear part of the shaft and surrounding the stator.
    Type: Grant
    Filed: August 4, 2011
    Date of Patent: October 2, 2012
    Assignee: LG Electronics Inc.
    Inventors: Gon Kim, Chi Wan Hur, Yu Beom Kang, Sang Man Je, Kang Mo Choi, Jae Kyum Kim, Ho Cheol Kwon, Yong Suck Park, Ig Geun Kweun, Kyu Hwan Lee
  • Publication number: 20120240637
    Abstract: A structure of a driving part provided to a washing machine is disclosed. The present application provides the washing machine comprising a tub configured to store wash water therein; a drum rotatably installed in the tub and accommodating laundry therein; a driving shaft connected to the drum; at least one bearing configured to support the driving shaft; a motor mounted to an outer surface of a rear wall of the tub and connected to the driving shaft; and a bearing housing comprising a hub configured to accommodate the at least one bearing and a flange provided around the hub and coupled to a stator of the motor, the bearing housing buried in the rear wall of the tub.
    Type: Application
    Filed: March 23, 2011
    Publication date: September 27, 2012
    Applicant: LG ELECTRONICS INC.
    Inventors: Hee Tae LIM, Seon Ah Min, Kyu Hwan Lee
  • Patent number: 8210005
    Abstract: A tub having a structurally strengthened rear wall and a washing machine with the same therein are disclosed. A washing machine includes a bearing housing having a flange part and a tub injection-molded with the bearing housing inserted into a wall thereof, the wall having a recessing part and a projecting part formed on an inner or an outer surface thereof along a circumferential direction, and a circumferential rib or a radial rib formed on the recessing part.
    Type: Grant
    Filed: August 4, 2011
    Date of Patent: July 3, 2012
    Assignee: LG Electronics Inc.
    Inventors: Gon Kim, Chi Wan Hur, Yu Beom Kang, Sang Man Je, Kang Mo Choi, Jae Kyum Kim, Ho Cheol Kwon, Yong Suck Park, Ig Geun Kweun, Kyu Hwan Lee
  • Publication number: 20120133495
    Abstract: The present invention relates to a haptic scroll wheel switch for a vehicle which includes a haptic wheel holder, a haptic wheel, a motor, and an encoder slit. The haptic wheel is rotatably installed in the haptic wheel holder and has a bevel gear unit formed on its one side. The motor is installed in the haptic wheel holder and has a driving shaft and an encoder slit installed on its both ends. More specifically, the driving shaft and the encoder slit are rotated and driven while operating in conjunction with the motor. Furthermore, a pinion gear is fixed to the driving shaft of the motor and geared with the bevel gear of the haptic wheel so that the pinion gear is operated in conjunction with the bevel gear, and a printed circuit board is used in conjunction with a sensor for detecting a rotation of the encoder slit.
    Type: Application
    Filed: June 30, 2011
    Publication date: May 31, 2012
    Applicants: HYUNDAI MOTOR COMPANY, DAESUNG ELECTRIC CO., LTD., KIA MOTORS CORPORATION
    Inventors: Sung Hyun Kang, Hanum Min, Kyu Hwan Lee
  • Publication number: 20110289984
    Abstract: A tub having a structurally strengthened rear wall and a washing machine with the same therein are disclosed. A washing machine includes a bearing housing having a flange part and a tub injection-molded with the bearing housing inserted into a wall thereof, the wall having a recessing part and a projecting part formed on an inner or an outer surface thereof along a circumferential direction, and a circumferential rib or a radial rib formed on the recessing part.
    Type: Application
    Filed: August 4, 2011
    Publication date: December 1, 2011
    Inventors: Gon Kim, Chi Wan Hur, Yu Beom Kang, Sang Man Je, Kang Mo Choi, Jae Kyum Kim, Ho Cheol Kwon, Yong Suck Park, Ig Geun Kweun, Kyu Hwan Lee
  • Publication number: 20110283746
    Abstract: A tub having a structurally strengthened rear wall and a washing machine with the same therein are disclosed. A washing machine includes a bearing housing having a flange part and a tub injection-molded with the bearing housing inserted into a wall thereof, the wall having a recessing part and a projecting part formed on an inner or an outer surface thereof along a circumferential direction, and a circumferential rib or a radial rib formed on the recessing part.
    Type: Application
    Filed: August 4, 2011
    Publication date: November 24, 2011
    Inventors: Gon Kim, Chi Wan Hur, Yu Beom Kang, Sang Man Je, Kang Mo Choi, Jae Kyun Kim, Ho Cheol Kwon, Yong Suck Park, Ig Geun Kweun, Kyu Hwan Lee
  • Publication number: 20110283745
    Abstract: A tub having a structurally strengthened rear wall and a washing machine with the same therein are disclosed. A washing machine includes a bearing housing having a flange part and a tub injection-molded with the bearing housing inserted into a wall thereof, the wall having a recessing part and a projecting part formed on an inner or an outer surface thereof along a circumferential direction, and a circumferential rib or a radial rib formed on the recessing part.
    Type: Application
    Filed: August 4, 2011
    Publication date: November 24, 2011
    Inventors: Gon Kim, Chi Wan Hur, Yu Beom Kang, Sang Man Je, Kang Mo Choi, Jae Kyum Kim, Ho Cheol Kwon, Yong Suck Park, Ig Geun Kweun, Kyu Hwan Lee
  • Patent number: 8046854
    Abstract: Disclosed is a washing machine, The washing machine includes a tub to contain washing water; a drum rotatably installed in the tub to contain laundry to be washed; a detergent box to contain a detergent supplied to the inside of the tub; and a steam generating device to heat water to generate steam, supply the generated steam to the drum, and supply the heated water selectively to the detergent box.
    Type: Grant
    Filed: July 31, 2008
    Date of Patent: November 1, 2011
    Assignee: LG Electronics Inc.
    Inventors: Hee Tae Lim, Kyu Hwan Lee, Jae Hyun Choi
  • Patent number: 7997103
    Abstract: A tub having a structurally strengthened rear wall and a washing machine with the same therein are disclosed. A washing machine includes a bearing housing having a flange part and a tub injection-molded with the bearing housing inserted into a wall thereof, the wall having a recessing part and a projecting part formed on an inner or an outer surface thereof along a circumferential direction, and a circumferential rib or a radial rib formed on the recessing part.
    Type: Grant
    Filed: April 28, 2006
    Date of Patent: August 16, 2011
    Assignee: LG Electronics Inc.
    Inventors: Gon Kim, Chi Wan Hur, Yu Beom Kang, Sang Man Je, Kang Mo Choi, Jae Kyum Kim, Ho Cheol Kwon, Yong Suck Park, Ig Geun Kweun, Kyu Hwan Lee
  • Patent number: 7930912
    Abstract: A washing machine having a lifter is disclosed. The washing machine comprises a housing; a tub provided in the housing and holding washing water therein; a drum rotatably mounted in the tub and receiving laundry therein; and a lifter mounted to an inner surface of the drum to lift the laundry while rotating along with the drum, wherein the lifter is formed to have a nonlinear shape, and wherein the lifter is oriented such that a centerline thereof forms a predetermined angle with respect to a rotational axis of the drum.
    Type: Grant
    Filed: April 9, 2008
    Date of Patent: April 26, 2011
    Assignee: LG Electronics Inc.
    Inventors: Kyu Hwan Lee, Hee Tae Lim, Jae Hyun Choi, Ig Geun Kwon
  • Publication number: 20090293551
    Abstract: A laundry apparatus is disclosed. A laundry apparatus includes a cabinet, a drum rotatable in the cabinet, a weight balancer compensating eccentric rotation of the drum, and a securing member inertedly securing the weight balancer to the drum.
    Type: Application
    Filed: May 15, 2009
    Publication date: December 3, 2009
    Applicant: LG ELECTRONICS INC.
    Inventors: Kyu Hwan Lee, Jung Chan Kim, Hee Tae Lim
  • Publication number: 20090288455
    Abstract: A drum washing machine is disclosed. The drum washing machine according to the present invention includes a tub for storing wash water therein, a drum rotatably mounted within the tub, a motor mounted in rear of the tub, the motor having a shaft to rotate the drum, a bearing housing inserted into the tub with a hollow allowing the shaft of the motor to pass through formed in a center thereof, a bearing secured to the hollow of the bearing housing and an outlet hole for discharging gas or moisture generated in the bearing and the adjacent portion of the bearing to and outside of the bearing housing. The present invention has an advantageous effect of enhancing durability thereof, because the drum washing machine includes the outlet hole provided in the bearing housing where the shaft is rotated to prevent moisture or water from remaining in the bearing housing.
    Type: Application
    Filed: May 2, 2006
    Publication date: November 26, 2009
    Inventors: Yong Suck Park, Ig Geun Kweun, Kyu Hwan Lee
  • Publication number: 20090193855
    Abstract: Disclosed herein is a washing machine having a hall sensor wire stably secured to a tub through a rear wall of the tub, thereby preventing the hall sensor wire from freely moving due to vibration transmitted from the tub when operating the washing machine. The washing machine comprises a tub installed in a body of the washing machine to contain water, and a fixing bracket positioned on a rear wall of the tub to prevent movement of at least one hall sensor wire connected with a hall sensor serving to detect a speed of a motor installed on the rear wall of the tub.
    Type: Application
    Filed: May 2, 2006
    Publication date: August 6, 2009
    Inventors: Yong Suck Park, Ig Geun Kweun, Kyu Hwan Lee
  • Publication number: 20090173110
    Abstract: Disclosed herein is a washing machine having the structure to reinforce fastening bosses (100) formed on a front surface of a tub (56) to mount a balance weight (90). The washing machine comprises a tub (56) having a gasket coupling part (80) to which a gasket (50) is coupled, a plurality of fastening bosses (100) formed on a circumference about a central axis of the tub (56) to secure a balance weight (90), and a plurality of ribs (310) to reinforce the fastening bosses (100), wherein at least one of the ribs (310) formed in an outer direction of the tub (56) around each fastening boss (100) is thicker than the ribs (310) formed towards the central axis of the tub (56).
    Type: Application
    Filed: May 2, 2006
    Publication date: July 9, 2009
    Inventors: Yong Suck Park, Ig Geun Kweun, Kyu Hwan Lee