Patents by Inventor Sang-Cheol Lee

Sang-Cheol 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).

  • Publication number: 20160028094
    Abstract: Provided is a solid oxide fuel cell having longitudinal and lateral channels in an electronic separator plate. A solid oxide fuel cell includes a unit cell formed by stacking a cathode, electrolyte, and an anode, a separator plate having channels in both surfaces thereof, wherein reaction gas flows through the channels, and the channels include longitudinal channels parallel to a flow direction of the reaction gas, and lateral channels crossing the flow direction of the reaction gas, and a collector disposed between the unit cell and the separator plate. The longitudinal channels increase in width from a reaction gas inflow hole to a reaction gas outflow hole.
    Type: Application
    Filed: July 8, 2013
    Publication date: January 28, 2016
    Applicant: Posco Energy Co., Ltd.
    Inventors: Hyeon Min Son, Sang-Cheol Lee, Byung Geun Kuk, Sang Gyun Park, Sang Hyun Park
  • Patent number: 9184363
    Abstract: Disclosed is a generator. The generator in accordance with an embodiment of the present invention includes: a thermoelectric element, which creates an electromotive force by using a temperature difference between a high-temperature portion and a low-temperature portion; a heat source, which is thermally coupled to the high-temperature portion and transfers heat to the high-temperature portion; and a vibrating capillary-shaped heat-pipe, which has a working fluid injected therein, is thermally coupled to the low-temperature portion, and discharges heat of the low-temperature portion. The generator in accordance with the present invention can increase an efficiency of power generation using the thermoelectric element by employing a highly exothermic vibrating capillary-shaped heat-pipe to maintain the temperature difference required for power generation.
    Type: Grant
    Filed: July 22, 2013
    Date of Patent: November 10, 2015
    Assignee: Icepipe Corporation
    Inventor: Sang-Cheol Lee
  • Publication number: 20150245166
    Abstract: A method of performing communication by a first electronic device is provided. The method includes receiving an input for communication with a third electronic device, determining at least one of a first communication module of the first electronic device and a second communication module of a second electronic device for the communication with the third electronic device, and controlling the first or second communication module for the communication with the third electronic device in response to the input.
    Type: Application
    Filed: February 18, 2015
    Publication date: August 27, 2015
    Inventors: Sang-Cheol LEE, Kyu-Hyun KIM, Soon-Hyun CHA, Sang-Min BAE
  • Publication number: 20150204510
    Abstract: An aspherical lens includes a light entrance plane configured to receive light emitted from a light source and a light exit plane configured to radiate the light received by the light entrance plane. The light exit plane includes semispherical convex portions disposed on an upper surface of the aspherical lens, a concavely depressed portion comprising an overlapping region where the semispherical convex portions partially overlap each other at a central axis, a side portion connected with the semispherical convex portions, and an upper surface of each of the semispherical convex portions having a first flat portion.
    Type: Application
    Filed: March 30, 2015
    Publication date: July 23, 2015
    Inventors: Kwang Il PARK, Sang Cheol Lee, Jeong A Han, Woong Jun Hwang, Hee Tak Oh
  • Patent number: 9077814
    Abstract: An apparatus and method for adjusting the volume in a portable terminal. The apparatus includes an information collection unit and a volume adjustment unit. The information collection unit collects noise judgment information that is used for judging the extent of background noise. The volume adjustment unit estimates background noise using the collected information, and adjusts the volume according to the background noise.
    Type: Grant
    Filed: November 20, 2012
    Date of Patent: July 7, 2015
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventor: Sang-Cheol Lee
  • Patent number: 9022618
    Abstract: Exemplary embodiments of the present invention relate to an aspherical light emitting diode (LED) lens and a light emitting device including the same. The aspherical LED lens includes a light exit plane concavely depressed near a central axis, a light entrance plane including a conical plane having a vertex located on the central axis, and a plurality of protrusions arranged on a portion of a side surface of the light exit plane. The aspherical LED lens has a radially symmetrical structure with respect to the central axis.
    Type: Grant
    Filed: November 15, 2013
    Date of Patent: May 5, 2015
    Assignee: Seoul Semiconductor Co., Ltd.
    Inventors: Kwang Il Park, Sang Cheol Lee, Jeong A Han, Woong Jun Hwang, Hee Tak Oh
  • Patent number: 8997303
    Abstract: Wiper device is disclosed. a wiper device includes a wiper blade tightly contacted to a windshield and configured to wipe a foreign substance and an adaptor connecting the wiper blade to a wiper arm, wherein the adaptor includes a body rotatably connected to the wiper blade about an axle formed in a traverse direction of the wiper blade, and a connector extended in a lengthwise direction of the wiper blade and having one end that is connected to the wiper arm and the other end that is hinge-connected to the body. Since it is possible to adjust the wiper arm and the wiper blade in various angles, the wiper blade can be tightly contacted to the windshield and thus have a superior wiping performance.
    Type: Grant
    Filed: May 3, 2011
    Date of Patent: April 7, 2015
    Assignee: CAP Corporation
    Inventors: Kyoung-Joon Song, Sang-Cheol Lee
  • Patent number: 8966706
    Abstract: A windshield wiper device having a frame; a first lever, provided in a pair, each being hinge-coupled to either end of the frame and including an inside arm extending toward a hinge and an outside arm extending away from the hinge. A pair of second levers, are provided, each being hinge-coupled to an end portion of the outside arm of the first lever. A contact member, forms a blade in close contact with the windshield to wipe out the foreign substances and is supported by an end portion of the inside arm of the first lever and both end portions of the second lever; and a cover member. The cover member covers the frame, the first lever and the second lever.
    Type: Grant
    Filed: February 1, 2011
    Date of Patent: March 3, 2015
    Assignee: CAP Corporation
    Inventors: Kyoung-Joon Song, Sang-Cheol Lee
  • Patent number: 8926756
    Abstract: A passing apparatus includes: upper and lower sealing rolls dealing with variations in a thickness of a proceeding strip, the upper and lower sealing rolls allowing the strip to pass; and a strip sealing unit dealing with variations in a width of the proceeding strip, the strip sealing unit cooperating with the upper and lower sealing rolls to seal the proceeding strip passing through a chamber in a state in which the strip sealing unit surrounds the proceeding strip.
    Type: Grant
    Filed: December 24, 2010
    Date of Patent: January 6, 2015
    Assignee: Posco
    Inventors: Dong-Yoeul Lee, Mun-Jong Eom, Kyoung-Bo Kim, Yong-Hwa Jung, Woo-Sung Jung, Young-Jin Kwak, Tae-Yeob Kim, Kyung-Hoon Nam, Sang-Cheol Lee, Sang-Hoon Park, Yang-Woo Nam
  • Publication number: 20150000065
    Abstract: A wiper blade assembly including a contact member, an elastic member which supports the contact member, a cover member which covers the elastic member, a coupling cover which covers the elastic member and has a housing portion, and an adapter which can be inserted into or removed from the housing portion of the coupling cover. The coupling cover has a first coupling portion located on a side of the housing portion, and the adapter has a second coupling portion located on a side thereof. The second coupling portion includes a pressure structure and a coupling structure separated from the pressure structure by a predetermined distance. The first coupling portion is coupled to the coupling structure. A structure for coupling the adapter to the coupling cover and a structure for separating the adapter from the coupling cover are provided separately. The adapter can be easily separated from the coupling cover.
    Type: Application
    Filed: June 27, 2014
    Publication date: January 1, 2015
    Inventors: Sang Cheol LEE, Seung Chul HYUN
  • Patent number: 8918948
    Abstract: The wiper device for removing foreign substances that are stuck on a windshield can include: a lever assembly, having a plurality of levers in a tournament type coupled thereto; a contact member, being supported by the lever assembly and formed in the shape of a blade in close contact with the windshield so as to wipe out the foreign substances; and a cover member, provided in a plurality, each being coupled to the lever connecting a corresponding joint of the lever assembly. Accordingly, the parts of the lever assembly having the multi joint structure are effectively covered by the plurality of cover members, allowing for a simple appearance, and since each cover member is coupled with a corresponding lever and moves with the corresponding lever in an integrated manner, it becomes possible to prevent the levers from being exposed to an outside even while the wiper device is activated.
    Type: Grant
    Filed: April 8, 2011
    Date of Patent: December 30, 2014
    Assignee: Cap Corporation
    Inventors: Kyoung-Joon Song, Sang-Cheol Lee
  • Publication number: 20140376248
    Abstract: An LED lighting device includes an LED module; a light guide member disposed adjacent to the LED module guides light emitted from the LED module towards an object; a heat transfer member coupled to the LED module absorbs the heat from the LED module; a heat-absorbing portion is formed in the shape of a capillary tube, injected with working fluid, and coupled to the heat transfer member so as to absorb heat; and a heat pipe loop provided with a heat-dissipating portion for dissipating the heat absorbed in the heat-absorbing portion. The LED lighting device can have a simple structure without a cooling fan while obtaining a high output by including the heat-dissipating portion which has a large dissipation area and high heat transfer performance. Since heat dissipation can be carried out without an additional cooling device, minor failures can be reduced, and maintenance of the device can be simplified.
    Type: Application
    Filed: September 9, 2014
    Publication date: December 25, 2014
    Inventor: Sang-Cheol Lee
  • Patent number: 8879261
    Abstract: A heat-dissipating device for an electronic apparatus can include: a thermal base coupled to a first electronic component in such a manner that enables heat-transfer therebetween so that heat generated by the first electronic component mounted on a substrate is absorbed thereby; and a vibrating capillary-shaped heat-pipe loop comprising a first heat-absorption portion coupled with the thermal base in such a manner that enables heat-transfer therebetween and a heat-dissipating portion configured to dissipate heat absorbed by the first heat-absorption portion, the heat-pipe loop having working fluid injected thereinto. The heat-pipe loop can be radially disposed with a central area thereof hollowed out, and an assembly area of a coupling member can be exposed in the central area so that the coupling member for coupling the thermal base to the substrate is coupled through the central area.
    Type: Grant
    Filed: October 25, 2012
    Date of Patent: November 4, 2014
    Assignee: Icepipe Corporation
    Inventor: Sang-Cheol Lee
  • Patent number: 8860068
    Abstract: A light emitting diode package having heat dissipating slugs is provided. The light emitting diode package comprises first and second heat dissipating slugs formed of a conductive material and spaced apart from each other; a package main body coupled to the first and second heat dissipating slugs to support the first and second heat dissipating slugs; and a light emitting diode die electrically connected to the first and second heat dissipating slugs, wherein the respective first and second heat dissipating slugs are exposed to the outside through lower and side surfaces of the package main body. As such, the first and second heat dissipating slugs can be used as external leads.
    Type: Grant
    Filed: January 3, 2012
    Date of Patent: October 14, 2014
    Assignee: Seoul Semiconductor Co. Ltd.
    Inventors: Tae Won Seo, Sang Cheol Lee, Chan Sung Jung
  • Patent number: 8845254
    Abstract: The present invention relates to a self-locking bolt-nut assembly including a bolt; a nut tightened on the bolt; and a washer provided between the bolt and the nut, wherein the nut has a counterbore being formed in the nut, and has a plurality of stop protrusions formed on the inner surface of the circumferential sidewall of the counterbored portion of the nut, the stop protrusions being arranged in a circumferential direction at regular intervals, the washer including the rotation-preventive protrusion protruded on inner circumference of the washer towards the center thereof, the rotation-preventive protrusion being inserted into the insertion guide groove; and a plurality of elastic protrusions which is protruded on outer circumference of the washer, being inclined in the direction where the nut is turned to tighten it.
    Type: Grant
    Filed: December 7, 2009
    Date of Patent: September 30, 2014
    Inventor: Sang Cheol Lee
  • Patent number: 8839482
    Abstract: Disclosed is a method of assembling a metal clamp and body springs of a wiper blade for vehicles, and an assembly. The method includes forming a plurality of through holes at major sides of the body springs, forming a plurality of protrusions corresponding to the through holes at a major side of the clamp such that the protrusions extend outward from the major side of the clamp, inserting the protrusions of the clamp into the respective through holes of the body springs, fixing the protrusions, which are located in the respective through holes, in the respective through holes by pressure welding or riveting such that the clamp is mounted to the body springs.
    Type: Grant
    Filed: November 15, 2009
    Date of Patent: September 23, 2014
    Assignee: CAP Corporation
    Inventors: Tae Hun Kim, Sang Cheol Lee, Dong Geun Lee, Yong Ki Choi
  • Patent number: 8820975
    Abstract: An LED lighting device includes: an LED module; a thermal base coupled with the LED module and configured to absorb heat; and a heat-pipe loop formed in a tubule shape and having working fluid injected thereinto and comprising a heat-absorption portion coupled with the thermal base and configured to absorb heat and a heat-dissipating portion configured to dissipate the heat absorbed by the heat-absorption portion, wherein each coil of the heat-pipe loop is formed in a thin and long shape, and one side of the thin-and-long coil is coupled to the thermal base, and the other side of the thin-and-long coil is protruded to an outside from an edge of the thermal base.
    Type: Grant
    Filed: October 25, 2012
    Date of Patent: September 2, 2014
    Assignee: Icepipe Corporation
    Inventor: Sang-Cheol Lee
  • Patent number: D733332
    Type: Grant
    Filed: July 19, 2013
    Date of Patent: June 30, 2015
    Assignee: Icepipe Corporation
    Inventor: Sang-Cheol Lee
  • Patent number: D733333
    Type: Grant
    Filed: July 19, 2013
    Date of Patent: June 30, 2015
    Assignee: Icepipe Corporation
    Inventor: Sang-Cheol Lee
  • Patent number: D740737
    Type: Grant
    Filed: June 18, 2014
    Date of Patent: October 13, 2015
    Assignee: CAP Corporation
    Inventors: Seung Chul Hyun, Sang Cheol Lee