Patents by Inventor Chang-Woo Son

Chang-Woo Son 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: 7943876
    Abstract: A light emitting apparatus is provided for a clothing handler that handles clothes received therein. The light emitting apparatus includes a selection device that selects processes for handling the clothes, light emitting devices that emit light according to a selection by the selection device, a transparent window that covers light emitting devices, and a selection device guiding member having holes through which light generated by the light emitting devices, respectively, passes. An end portion of each of the holes is adjacent to the transparent window based on a proceeding direction of the light. The transparent window includes protrusion portions that contact an inner wall of the corresponding hole of the selection device guiding member.
    Type: Grant
    Filed: April 17, 2008
    Date of Patent: May 17, 2011
    Assignee: LG Electronics Inc.
    Inventors: Hyo-Jin Kim, Ho-Sung Jang, Jae-Cheol Lyu, Han-Ki Cho, Chang-Woo Son
  • Patent number: 7934279
    Abstract: The present invention relates to a control method of a laundry machine. The control method includes inputting a command to drive the steam laundry dryer, and determining whether water is supplied to a steam generator of the steam laundry dryer. According to the control method of the steam laundry dryer, it is possible to effectively remove wrinkles from clothes and to prevent the breakage of the steam laundry dryer.
    Type: Grant
    Filed: October 31, 2007
    Date of Patent: May 3, 2011
    Assignee: LG Electronics Inc.
    Inventor: Chang Woo Son
  • Patent number: 7913523
    Abstract: Provided is a heater coupling apparatus of a washing machine and a coupling method for the heater coupling apparatus. The heater coupling apparatus includes a tub, a heater coupling portion, a heater, and a bracket. The heater coupling portion is formed on the tub. The heater is coupled to the heater coupling portion. The bracket forms a closed loop portion in a shape of a closed loop, to dispose the heater within the closed loop portion.
    Type: Grant
    Filed: June 2, 2006
    Date of Patent: March 29, 2011
    Assignee: LG Electronics Inc.
    Inventors: Jae Cheol Lyu, Dong Yoon Kim, Sang Gyu Lim, Jong Sun Yoon, Chang Woo Son
  • Patent number: 7900374
    Abstract: An automatic drying apparatus and a method of controlling the same is disclosed, enabling exact drying by using a humidity sensor (37) provided at a location having a stabilized output characteristic for automatic drying, the automatic drying apparatus including a heating apparatus (31) for heating air supplied into a drum into which a drying object is introduced, a fan (32) for forcibly drawing air into the drum; and a humidity sensor (37) provided between the fan (32) and the heating apparatus (37) such that a sensing surface is positioned to be parallel to a flowing direction of air passed through the fan (32), for outputting a sensing voltage value for determining dryness of the drying object.
    Type: Grant
    Filed: August 18, 2004
    Date of Patent: March 8, 2011
    Assignee: LG Electronics Inc.
    Inventors: Sun Cheol Bae, Dae Woong Kim, Chang Woo Son
  • Patent number: 7895770
    Abstract: A steam laundry dryer is disclosed. The steam laundry dryer includes a drum rotatably mounted in a cabinet, a hot air heater to heat air to supply hot air into the drum, a steam generator to supply steam into the drum, a water supply source to supply water into the steam generator, and a container drawably mounted in a portion of the cabinet. The water supply source is detachably mounted in the container.
    Type: Grant
    Filed: November 1, 2007
    Date of Patent: March 1, 2011
    Assignee: LG Electronics Inc.
    Inventors: Sang Hun Bae, Chang Woo Son, Chul Jin Choi, Dong Hyun Kim, Young Bok Son, Heung Jae Kim
  • Patent number: 7878669
    Abstract: A knob deco for a laundry machine is provided. The knob deco may include a knob guard in which a dial knob is inserted, and a lamp window main body mounted at a rear surface of the knob guard. Lamp windows may be formed in the knob guard for transmitting light emitted from a rear side of the knob guard to a front side of the knob guard, and lamp window shielding members may be provided at the lamp windows to partially shield light transmitted through the lamp window.
    Type: Grant
    Filed: September 2, 2008
    Date of Patent: February 1, 2011
    Assignee: LG Electrnics Inc.
    Inventors: Ho-Sung Jang, Chang-Woo Son, Gil-Yong Lee, Yong-Min Jeon, Han-Ki Cho
  • Publication number: 20100275659
    Abstract: Provided are a washing machine and a drawer assembly thereof. The drawer assembly improves emotional quality by providing a structure capable of being automatically opened by a user through momentary application and negation of pressure. Because excessive force is not required to withdraw the detergent box, service life can be extended and product reliability can be improved.
    Type: Application
    Filed: November 27, 2007
    Publication date: November 4, 2010
    Applicant: LG ELECTRONICS INC.
    Inventors: Chang-Woo Son, Ho-Sung Jang, Hyo-Jin Kim, Jae-Cheol Lyu, Han-Ki Cho
  • Patent number: 7787241
    Abstract: Disclosed is an apparatus for coupling a display window and buttons for a clothing handler. The apparatus for coupling the display window and the buttons for the clothing handler includes a display window configured to display each kind of information regarding handling clothing, buttons disposed to be adjacent to the display window, for selecting options for handling clothing, and a supporting member interposed between the display window and the buttons, for supporting at least one of the display window and the buttons.
    Type: Grant
    Filed: April 18, 2008
    Date of Patent: August 31, 2010
    Assignee: LG Electronics Inc.
    Inventors: Hyo-Jin Kim, Ho-Sung Jang, Jae-Cheol Lyu, Han-Ki Cho, Chang-Woo Son
  • Patent number: 7752871
    Abstract: The present invention relates to laundry machines, and more particularly, to a control unit assembly in a laundry machine which enables easy assembly and accurate alignment of an input device of a printed circuit board with a button portion of a control panel.
    Type: Grant
    Filed: June 29, 2006
    Date of Patent: July 13, 2010
    Assignee: LG Electronics Inc.
    Inventors: Han Ki Cho, Jong Sun Yoon, Sung Gi Hwang, Ho Sung Jang, Chang Woo Son, Jae Cheol Lyu
  • Publication number: 20100116003
    Abstract: A ball balancer and a laundry apparatus having the same are disclosed. A ball balancer includes a circular housing having motion space formed therein, at least two partition members spaced apart a predetermined distance along the motion space of the housing, the partition members partitioning the motion space into at least two spaces, a plurality of ball members movable within the partitioned spaces of the motion space, and viscous fluid filled in the motion space. Such the ball balancer may reduce noise and vibration of the laundry apparatus having the same.
    Type: Application
    Filed: August 5, 2009
    Publication date: May 13, 2010
    Applicant: LG ELECTRONICS INC.
    Inventors: Chang Woo Son, Min Gu Kang
  • Publication number: 20100095716
    Abstract: The present invention relates to steam dryers, and more specifically, the present invention relates to a steam dryer for removing creases or crumples from, or preventing the same from forming on, clothes. The steam dryer includes a drum (20) to be selectively rotatable; a steam generator (200) to generate steam to be supplied to the drum (20); a water container (300) to contain water to be supplied to the steam generator (200); an indicator to indicate a level of the water in the water container (300) thereby removing creases from clothes effectively.
    Type: Application
    Filed: December 11, 2007
    Publication date: April 22, 2010
    Applicant: LG ELECTRONICS INC.
    Inventors: Sang Hun Bae, Chang Woo Son, Chul Jin Choi, Dong Hyun Kim, Young Bok Son, Heung Jae Kim
  • Patent number: 7690227
    Abstract: A drum type washer is provided in which replacement of a washing ball provided in a drum lift device may be simplified, and in which a volume of the drum may be increased. The washer may include a tub, a drum rotatably provided within the tub, and a lift provided within the drum. The lift may include a base detachably coupled to an inner surface of the drum and a cover detachably coupled to the base. An exposing hole may be formed in a surface of the cover to expose a portion of the washing ball positioned between the cover and the base. A width of the cover may be gradually decreased from a rear end portion to a front end portion thereof so as to minimize a size of the lift and increase an interior volume of the drum.
    Type: Grant
    Filed: June 29, 2006
    Date of Patent: April 6, 2010
    Assignee: LG Electronics Inc.
    Inventors: Han Ki Cho, Jong Sun Yoon, Ho Sung Jang, Chang Woo Son, Jae Cheol Lyu
  • Patent number: 7671039
    Abstract: The present invention relates to a composition containing beta-glucan as an effective ingredient for prevention and treatment of osteoporosis. The above captioned beta-glucan is preferably the beta-1.3/1.6 glucan having a lactic acid as a substituent and this beta-1.3/1.6 glucan is preferably produced from Aureobasidium pullulans SM2001(KCCM 10307).
    Type: Grant
    Filed: October 28, 2004
    Date of Patent: March 2, 2010
    Assignee: Glucan Corporation
    Inventors: Hyun-Dong Shin, Mi-Kyung Son, Bok-Ryun Park, Chang-Woo Son, Hee-Jeong Jang
  • Publication number: 20100031581
    Abstract: A door for a washing machine is disclosed. A door for a washing machine includes an inner frame having an opening with a predetermined size, an outer frame provided at a front surface of the inner frame, having an opening in communication with the opening of the inner frame, a glass member fitted between the inner and outer frames, covering the openings of the inner and outer frames, a decorative member provided at a front surface of the outer frame, having an opening in communication with the openings, and a front cover fitted between the decorative member and the outer frame, covering the openings of the inner and outer frames and the decorative member, the front cover having a positioning portion determining a position of the front cover coupled to the outer frame.
    Type: Application
    Filed: April 10, 2009
    Publication date: February 11, 2010
    Applicant: LG ELECTRONICS INC.
    Inventors: Min-Gu Kang, Kyu-Chul Lee, Chang-Woo Son
  • Publication number: 20100000117
    Abstract: The present invention relates to a dryer and a method for controlling the same. The dryer includes a selectably rotatable drum (20), a hot air heater (90) for heating air to supply hot air to the drum (20), a steam generator (200) for generating steam to supply the steam to the drum (20), and a water supply source (220) for supplying water to the steam generator, thereby removing wrinkles from clothes, effectively.
    Type: Application
    Filed: May 23, 2007
    Publication date: January 7, 2010
    Applicant: LG Electronics Inc.
    Inventors: Chul Jin Choi, Chang Woo Son, Sang Hun Bae, Jea Hyuk Wee, Young Bok Son, Young Soo Kim, Dong Hyun Kim, Chong Ryu, Dae Bong Yang
  • Publication number: 20090277035
    Abstract: A drying machine is disclosed. The drying machine includes a selectively rotatable drum receiving an object to be dried, a steam supply member having one side connected to a steam generator and the other side connected to the drum, and a swirler installed in the steam supply member at a predetermined position for swirling steam flowing through the steam supply member. A method for controlling the drying machine includes heating a drum, supplying steam generated in a steam generator into the drum, and supplying hot air into the drum. The drying machine having the above described configuration can efficiently eliminate creases of clothes.
    Type: Application
    Filed: July 21, 2009
    Publication date: November 12, 2009
    Inventors: Chul Jin CHOI, Dae Bong Yang, Chong Ryu, Jea Hyuk Wee, Young Soo Kim, Sang Hun Bae, Chang Woo Son, Dong Hyun Kim, Young Bok Son
  • Publication number: 20090271930
    Abstract: A method for controlling a course of a washing machine is disclosed, to remove bacilli as well as protein contaminants from a washing tub and the laundry, which includes (a) selecting an anti-yellow course of a washing stroke, so as to set washing conditions which is suitable for activating deposition of protein in the laundry; and (b) performing the washing stroke based on the washing conditions.
    Type: Application
    Filed: July 16, 2009
    Publication date: November 5, 2009
    Inventors: Han Ki CHO, Jong Sun Yoon, Ho Sung Jang, Chang Woo Son, Jae Cheol Lyu
  • Publication number: 20090265953
    Abstract: The present invention relates to a dryer and a method for controlling the same. The method for controlling a dryer includes a steam supply step for supplying steam generated in a steam generator to a dram, and a hot air supply step for supply hot air generated in a hot air heater to the drum. The method according to the present invention has an advantageous effect of removing wrinkles efficiently.
    Type: Application
    Filed: June 11, 2007
    Publication date: October 29, 2009
    Applicant: LG ELECTRONICS INC.
    Inventors: Sang Hun Bae, Chang Woo Son, Chul Jin Choi, Dong Hyun Kim, Young Bok Son, Heung Jae Kim
  • Publication number: 20090251032
    Abstract: The present invention relates a door assembly for a washing machine which prevents a tub from being enclosed when the washing machine is not in operation.
    Type: Application
    Filed: January 15, 2009
    Publication date: October 8, 2009
    Applicant: LG ELECTRONICS INC.
    Inventors: Yong Min Jeon, Han Ki Cho, Chang Woo Son
  • Publication number: 20090223082
    Abstract: Drum type washing machine and dryer and method for automatic drying by using the same is disclosed, wherein an accurate and detailed laundry amount is determined by using a temperature sensor mounted on a condensing duct of the drum type washing machine and dryer, and a user desired dryness is achieved according to the determined laundry amount, for which a structure is provided therein for enabling an accurate measurement of a temperature change of an inside of the duct, to perform an automatic drying algorithm, accurately.
    Type: Application
    Filed: May 13, 2009
    Publication date: September 10, 2009
    Inventors: Seung Myun Baek, Sun Cheol Bae, Chang Woo Son, Dae Woong Kim