Patents by Inventor Jae-hun Lee

Jae-hun 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: 9314745
    Abstract: Disclosed are a porous membrane having improved water permeability and elongation at break as well as high mechanical strength and impurity rejection rate and a method for manufacturing the same. The porous membrane of the present invention comprises a symmetric bead structure comprising a plurality of spherical crystallites. Each of the plurality of spherical crystallites comprises a plurality of sub-spherical crystallites.
    Type: Grant
    Filed: March 28, 2013
    Date of Patent: April 19, 2016
    Assignee: KOLON INDUSTRIES, INC.
    Inventors: Jae Hee Ryu, Yong-Cheol Shin, Jae Hun Lee
  • Publication number: 20160012944
    Abstract: A super conductor is formed by a process including a first step of forming liquid-phase rare earth-copper-barium oxide by heat treating a superconductor precursor including a rare earth element, barium, and copper, a second step of forming a first superconductor of the rare earth-copper-barium oxide that is epitaxially grown from the liquid-phase rare earth-copper-barium oxide, and a third step of forming a second superconductor of the rare earth-copper-barium oxide by heat treating the first superconductor, wherein the heat treatment of the third step is performed in an atmosphere in which the rare earth-copper-barium oxide has no liquid phase.
    Type: Application
    Filed: April 24, 2015
    Publication date: January 14, 2016
    Inventors: Sang Im YOO, Jung Woo LEE, Soon Mi CHOI, Seung Hyun MOON, Hun-Ju LEE, Jae Hun LEE
  • Patent number: 9223073
    Abstract: This invention relates to a light guide plate, which includes tunnels into which a light source may be inserted in a backlight unit assembly thus reducing light loss, and to a method of manufacturing the same.
    Type: Grant
    Filed: December 6, 2012
    Date of Patent: December 29, 2015
    Assignee: KOLON INDUSTRIES, INC.
    Inventors: Jun Kil Doo, Kwan Min Choi, Tae Gap Jang, Jae Hun Lee, Min Jeong Kim
  • Publication number: 20150298067
    Abstract: Disclosed are a porous membrane having improved water permeability and elongation at break as well as high mechanical strength and impurity rejection rate and a method for manufacturing the same. The porous membrane of the present invention comprises a symmetric bead structure comprising a plurality of spherical crystallites. Each of the plurality of spherical crystallites comprises a plurality of sub-spherical crystallites.
    Type: Application
    Filed: March 28, 2013
    Publication date: October 22, 2015
    Applicant: KOLON INDUSTRIES, INC.
    Inventors: Jae Hee RYU, Yong-Cheol SHIN, Jae Hun LEE
  • Patent number: 9147124
    Abstract: Provided are a method of detecting a transition area and an apparatus for processing an image using the same. The apparatus includes a line representative value calculator configured to calculate line representative values of an image including a non-image display area, an image display area, and a transition area interposed between the non-image display area and the image display area, and a transition area detector configured to calculate first-order and second-order differentiations of the line representative values, calculate a threshold value of the transition area using first-order and second-order-differentiation-representative-values of a first line group including a plurality of lines in a window including a plurality of lines and first-order and second-order-differentiation-representative-values of a second line group including a plurality of lines, and detect the transition area.
    Type: Grant
    Filed: September 22, 2014
    Date of Patent: September 29, 2015
    Assignee: ANAPASS INC.
    Inventors: Daehyun Kim, Tae Jin Kim, Jae Hun Lee
  • Publication number: 20150228379
    Abstract: Provided is a method of forming a superconducting body. The method includes providing amorphous rare-earth-copper-barium oxide and performing a heat treatment on the amorphous rare-earth-copper-barium oxide to form a superconductor containing distributed rare-earth oxide grains.
    Type: Application
    Filed: October 8, 2012
    Publication date: August 13, 2015
    Inventors: Sang-Im Yoo, Jung-Woo Lee, Soon Mi Choi, Seung Hyun Moon, Hun Ju Lee, Jae Hun Lee
  • Publication number: 20150228380
    Abstract: Provided is a method of manufacturing a superconducting wire. A superconducting tape having an outer surface is provided, a copper layer is formed on the outer surface of the superconducting tape, and first metal tape and second metal tape are respectively attached on a first surface and a second surface of the superconducting tape on which the copper layer is formed.
    Type: Application
    Filed: August 29, 2013
    Publication date: August 13, 2015
    Inventors: Seung Hyun Moon, Woo Suk Chung, Jae Hun Lee, KyuHan Choi, DeaWon Song, ByeongJoo Kim, SangJun Ahn
  • Patent number: 9065396
    Abstract: Provided is a method in which a Digital Pre-Distorter (DPD) performs digital pre-distortion on a received In-phase (I) signal, a received Quadrature-phase (Q) signal, a feedback I signal, and a feedback Q signal; a mixer mixes a signal output from the DPD with a frequency signal output from an oscillator; each of n phase shifters phase-shifts a signal output from the mixer according to a preset beamforming pattern; each of n Power Amplifiers (PAs) amplifies a signal output from an associated phase shifter according to a gain, the PAs connected to the associated phase shifter on a one-to-one basis; each of n envelope detectors detects an envelope signal from a signal output from an associated PA, the envelope detector connected to the associated PA on a one-to-one basis; and a control unit determines whether the n PAs operate normally, using the envelope signals output from the n envelope detectors.
    Type: Grant
    Filed: December 26, 2012
    Date of Patent: June 23, 2015
    Assignees: Samsung Electronics Co., Ltd., Korea Advanced Institute of Science and Technology (KAIST)
    Inventors: Mi-Hyun Son, Yong-Hoon Kim, Byung-Tae Yoon, Jong-Wook Zeong, Dong-Geun Lee, Jae-Hun Lee, Song-Cheol Hong
  • Publication number: 20150131732
    Abstract: A method of motion estimation includes obtaining motion vectors of blocks in a plurality of frames corresponding to a block to be motion estimated, determining whether the obtained motion vectors of the blocks are converged by comparing the obtained motion vectors of the blocks, calculating motion vector dispersity of adjacent blocks of the block to be motion estimated in a state in which the motion vectors are converged, and setting a size of a search range so as to correspond to the calculated motion vector dispersity of the adjacent blocks.
    Type: Application
    Filed: November 13, 2014
    Publication date: May 14, 2015
    Inventors: Tae Jin Kim, Daehyun Kim, Jae Hun Lee
  • Publication number: 20150131731
    Abstract: A method of calculating discontinuity of a motion vector includes obtaining at least any one of a k-th projected forward motion vector by a forward motion vector of a block and a k-th projected backward motion vector by the forward motion vector and at least any one of a k-th projected forward motion vector by a backward motion vector and a k-th projected backward motion vector by the backward motion vector; obtaining inconsistency of forward motion vector to k-th frame projection and inconsistency of backward motion vector to k-th frame projection by calculating a first difference function using the obtained vectors, and calculating discontinuity using the inconsistency of forward motion vector to k-th frame projection and the inconsistency of backward motion vector to k-th frame projection.
    Type: Application
    Filed: November 12, 2014
    Publication date: May 14, 2015
    Inventors: Tae Jin KIM, Daehyun KIM, Jae Hun LEE
  • Publication number: 20150110171
    Abstract: Provided are a method for motion estimation and an apparatus for processing an image. The method includes extracting a pattern from any one frame, classifying the extracted pattern as any one of predetermined basic patterns, counting basic patterns of regions included in macroblocks according to types of the basic patterns to set representative basic patterns of the macroblocks, calculating at least one of a sum of absolute difference (SAD) term coefficient and a smoothness constraint (SC) term coefficient from a correlation between representative basic patterns of macroblocks included in a macroblock group, and calculating a cost function result using at least one of the calculated SAD term coefficient and SC term coefficient.
    Type: Application
    Filed: September 22, 2014
    Publication date: April 23, 2015
    Inventors: Daehyun KIM, Tae Jin KIM, Jae Hun LEE
  • Publication number: 20150110393
    Abstract: Provided are a method of detecting a transition area and an apparatus for processing an image using the same. The apparatus includes a line representative value calculator configured to calculate line representative values of an image including a non-image display area, an image display area, and a transition area interposed between the non-image display area and the image display area, and a transition area detector configured to calculate first-order and second-order differentiations of the line representative values, calculate a threshold value of the transition area using first-order and second-order-differentiation-representative-values of a first line group including a plurality of lines in a window including a plurality of lines and first-order and second-order-differentiation-representative-values of a second line group including a plurality of lines, and detect the transition area.
    Type: Application
    Filed: September 22, 2014
    Publication date: April 23, 2015
    Inventors: Daehyun Kim, Tae Jin Kim, Jae Hun Lee
  • Publication number: 20150003113
    Abstract: This invention relates to a light guide plate, which includes tunnels into which a light source may be inserted in a backlight unit assembly thus reducing light loss, and to a method of manufacturing the same.
    Type: Application
    Filed: December 6, 2012
    Publication date: January 1, 2015
    Applicant: KOLON INDUSTRIES, INC.
    Inventors: Jun Kil Doo, Kwan Min Choi, Tae Gap Jang, Jae Hun Lee, Min Jeong Kim
  • Patent number: 8818126
    Abstract: A block-based image denoising method includes determining similarities between a current block and reference blocks within a search range around the current block, from among certain-sized blocks divided from an input image; determining weights of the reference blocks with respect to the current block based on the similarities; and generating resultant blocks by denoising the current block with respect to every block of the input image based on the weights of the reference blocks.
    Type: Grant
    Filed: October 28, 2010
    Date of Patent: August 26, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Gun-shik Shin, Dong-hyun Kim, Jae-hun Lee, Sang-yun Kim
  • Patent number: 8755639
    Abstract: An image scaling apparatus and method, with enhancement of image quality. The method includes generating a plurality of intermediate pixels positioned near a plurality of resultant pixels to be generated to scale an input image using pixels of the input image; determining the image characteristics of the plurality of resultant pixels using a predetermined region of the input image or the plurality of intermediate pixels within the predetermined region; determining a filter for generating the plurality of resultant pixels based on the image characteristics with respect to the resultant pixels, and generating the plurality of resultant pixels through filtering of the plurality of intermediate pixels using the determined filter. The apparatus includes an intermediate pixel generation unit which generates a plurality of intermediate pixels. A filter determination unit determines a filter for generating the plurality of resultant pixels.
    Type: Grant
    Filed: February 1, 2011
    Date of Patent: June 17, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jong-hyun Park, Jae-hun Lee, Moon-gi Kang, Ji-yong Kwon, Du-sic Yoo, Joon-young Chang
  • Patent number: 8619414
    Abstract: The present invention relates to a display device, and more particularly, to a display device in which a front cover and so on exposed to an outside of the display device have a gradation effect.
    Type: Grant
    Filed: July 21, 2010
    Date of Patent: December 31, 2013
    Assignee: LG Electronics Inc.
    Inventor: Jae Hun Lee
  • Patent number: 8596842
    Abstract: A head lamp apparatus for a vehicle may include a reflector provided with a light source that emits light to reflect the light emitted from the light source in a forward direction, the reflector having an upper end at which a first auxiliary reflective surface may be formed, and a lower end at which a second auxiliary reflective surface may be formed, and a bezel mounted in front of the reflector and having an upper part on which a first reflective hole that corresponds to the first auxiliary reflective surface may be formed, and a lower part on which a second reflective hole that corresponds to the second auxiliary reflective surface may be formed.
    Type: Grant
    Filed: June 29, 2011
    Date of Patent: December 3, 2013
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventor: Jae Hun Lee
  • Patent number: 8450901
    Abstract: A motor for a compressor and a hermetic compressor having the same are provided. An aluminum coil is used in the motor for the compressor, and sectional areas of main and sub slot portions and numbers thereof are adjusted to be suitable for usage conditions, whereby fabricating costs of the motor for the compressor and the hermetic compressor may drastically be reduced. Also, as the aluminum coil of the motor for the compressor is coupled to a lead wire in a welding manner, breaking of the aluminum coil, which may occur when coupling the aluminum coil to the lead wire, may be prevented, resulting in improvement of assembly reliability of the reciprocating compressor.
    Type: Grant
    Filed: October 20, 2008
    Date of Patent: May 28, 2013
    Assignee: LG Electronics Inc.
    Inventors: Hae-Ok Jung, Seong-Hun Seo, Jae-Hun Lee
  • Patent number: 8441165
    Abstract: Disclosed are a motor for a compressor and a hermetic compressor having the same. An aluminum coil cheaper than a copper coil is used in the motor for the compressor, a ratio between the aluminum coil and a stator core is set, and sectional areas of main and sub slot portions of the stator core and the numbers thereof are adjusted to be suitable for usage conditions, whereby fabricating costs of the motor for the compressor and the hermetic compressor can drastically be reduced and efficiencies thereof can be improved.
    Type: Grant
    Filed: October 20, 2008
    Date of Patent: May 14, 2013
    Assignee: LG Electronics Inc.
    Inventors: Hae-Ok Jung, Dong-In Park, Ki-Seok Sung, Jae-Hun Lee, Cheol Kim, Seong-Hun Seo
  • Patent number: 8417044
    Abstract: Provided are an image encoding method and apparatus, in which a distribution of difference values included in an image unit is adjusted using a predetermined offset, an image unit including the adjusted distribution of the difference values is divided into an image plane corresponding to upper bits and an image plane for lower bits, and then the image planes are entropy-encoded.
    Type: Grant
    Filed: June 19, 2009
    Date of Patent: April 9, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jun-ho Cho, Tae-gyoung Ahn, Jae-hun Lee