Patents by Inventor Eun Jang

Eun 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).

  • Patent number: 9237871
    Abstract: An X-ray imaging apparatus includes an X-ray emitter that emits X-rays to an object at a plurality of positions; a detector that detects X-rays having passed through the object and converts the detected X-rays into electric signals; and an image processor that is configured to generate X-ray images at the plurality of positions by reading out the electric signals, acquire volume data of the object using the X-ray images, and reproject the acquired volume data by using different bands of energy spectrums to acquire reconstructed reprojection images of different energy bands.
    Type: Grant
    Filed: October 4, 2013
    Date of Patent: January 19, 2016
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Kang Eui Lee, Jong Ha Lee, Kwang Eun Jang, Young Hun Sung
  • Patent number: 9232923
    Abstract: Disclosed herein is an X-ray imaging apparatus. The X-ray imaging apparatus includes at least one X-ray emitter which is configured to irradiate an object with X-rays at a plurality of X-ray emission positions, an X-ray detector which is configured to detect X-rays which are emitted by the X-ray emitter and to convert the detected X-rays into an electric signal, and an image processor which is configured to acquire a plurality of original X-ray images which respectively correspond to the X-ray emission positions from the generated electric signal and to estimate a virtual X-ray image which is acquirable at an X-ray emission position located between at least two of the plurality of X-ray emission positions, based on at least two of the original X-ray images.
    Type: Grant
    Filed: December 18, 2013
    Date of Patent: January 12, 2016
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jae Hak Lee, Young Hun Sung, Kang Eui Lee, Jong Ha Lee, Kwang Eun Jang
  • Publication number: 20150353678
    Abstract: An aliphatic polycarbonate is disclosed in which a salt consisting of a metal or onium cation and an anion having a pKa not greater than 3 is dispersed. The aliphatic polycarbonate includes repeating units of Formula 1: [-A-OC(O)O-] (wherein A is a substituted or unsubstituted C3-C60 alkylene, or a substituted or unsubstituted C3-C60 heteroalkylene and the O-A-O units in one polymer chain may be identical to or different from each other).
    Type: Application
    Filed: May 28, 2013
    Publication date: December 10, 2015
    Applicant: LOTTE CHEMICAL CORPORATION
    Inventors: Bun Yeoul LEE, Ji Hae PARK, Jong Yeob JEON, Jung Jae LEE, Young Eun JANG
  • Patent number: 9190137
    Abstract: A memory may include a plurality of word lines coupled to one or more memory cells; a target address generation unit suitable for generating one or more target addresses using a stored address; and a control unit suitable for sequentially refreshing the plurality of word lines in response to a refresh command which is periodically inputted, and refreshing a word line corresponding to the target address in response to the refresh command at a random time.
    Type: Grant
    Filed: June 6, 2014
    Date of Patent: November 17, 2015
    Assignee: SK Hynix Inc.
    Inventors: Bo-Yeun Kim, Seok-Cheol Yoon, Ji-Eun Jang
  • Patent number: 9173616
    Abstract: Provided is a method and apparatus for providing a three-dimensional (3D) image. A plurality of first projection images may be created by detecting X-rays which are emitted toward an object at different angles. A plurality of second projection images with respect to a partial volume of the object may be created by applying a forward projection and interpolation to at least one of the plurality of first projection images. A left image and a right image may be selected from among the plurality of second projection images, and the selected left image and right image may be displayed for a user as a 3D projection image.
    Type: Grant
    Filed: September 18, 2013
    Date of Patent: November 3, 2015
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Kang Eui Lee, Jong Ha Lee, Kwang Eun Jang, Young Hun Sung
  • Patent number: 9176362
    Abstract: An optical adjusting device includes: a rotating unit that includes and rotates about a through-hole through which light passes; at least one moving unit that is movably disposed relative to the rotating unit and is linearly movable between an advance position corresponding to the through-hole and a retreat position outside the through-hole; a transmitting unit that is disposed between the rotating unit and the moving unit and transmits a rotational force of the rotating unit to the moving unit; and an optical unit that is disposed on the moving unit and blocks at least part of light passing through the through-hole.
    Type: Grant
    Filed: September 13, 2012
    Date of Patent: November 3, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Cheol-eun Jang, Hee-seung Choi, Kun-woo Lee, Woo-jong Cho, Sung-wook Choi
  • Patent number: 9146199
    Abstract: An X-ray imaging apparatus and method is provided. An X-ray imaging apparatus includes an X-ray radiation unit configured to radiate a first X-ray and a second X-ray onto a target along a predetermined path, an X-ray detection unit configured to detect the radiated first X-ray and the second X-ray that have passed through the target, and an image data generation unit configured to generate cross-section data that respectively corresponds to the detected first X-ray and the detected second X-ray and represents a predetermined cross-sectional layer of the target. The first X-ray is radiated at a location on the predetermined path that is different from a location on the predetermined path at which the second X-ray is radiated, the first X-ray including X-ray spectra that are different from X-ray spectra of the second X-ray.
    Type: Grant
    Filed: July 19, 2012
    Date of Patent: September 29, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Kwang-eun Jang, Jong-ha Lee, Kang-eui Lee, Young-hun Sung
  • Patent number: 9113792
    Abstract: An X-ray imaging method and apparatus are provided for forming an X-ray image having reduced noise and showing a clear boundary of a lesion region. The X-ray imaging method includes performing a first main shot which irradiates an object in a compressed state by using X-rays at least once to obtain a single two-dimensional image, performing a second main shot which irradiates the object by using X-rays at different positions to obtain a plurality of two-dimensional images, and forming a two-dimensional final image by removing a lesion region having a unclear boundary from each of the plurality of two-dimensional images and substituting a lesion region of the single two-dimensional image into an area which corresponds to the removed lesion region.
    Type: Grant
    Filed: July 12, 2013
    Date of Patent: August 25, 2015
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Kwang Eun Jang, Jong Ha Lee, Young Hun Sung, Kang Eui Lee, Jae Hak Lee
  • Publication number: 20150231163
    Abstract: The present invention relates to a novel use of an Anemarrhena asphodeloides Bunge extract and the like, and provides a composition for preventing or treating colitis, including an Anemarrhena asphodeloides Bunge extract, a fraction thereof or a compound isolated therefrom as an active ingredient. In addition, the present invention relates to a novel use of a combined extract of medicinal herbs, and provides a composition for preventing or treating colitis, including an Anemarrhena asphodeloides Bunge extract, a Galla Rhois extract, a Codonopsis lancellata extract, and the like as active ingredients, or including an Anemarrhena asphodeloides Bunge extract, a Coptis japonica Makino extract, and the like as active ingredients. According to the present invention, the Anemarrhena asphodeloides Bunge extract and the like or the combined extract can be used as a food or medical materials constituting a pharmaceutical composition or a nutraceutical composition.
    Type: Application
    Filed: August 14, 2013
    Publication date: August 20, 2015
    Inventors: Dong-Hyun Kim, Myung Joo Han, Se Eun Jang
  • Publication number: 20150236087
    Abstract: Semiconductor devices are provided. The semiconductor devices may include a substrate and a transistor on the substrate. The semiconductor devices may include a first guard ring of first conductivity type in the substrate adjacent the transistor. The semiconductor devices may include a second guard ring of second conductivity type opposite the first conductivity type in the substrate adjacent the first guard ring. Related semiconductor systems are also provided.
    Type: Application
    Filed: May 6, 2015
    Publication date: August 20, 2015
    Inventors: Hoon Chang, Dong-Eun Jang
  • Patent number: 9064329
    Abstract: A method of reconstructing a tomography image of an object from a plurality of projection images generated by scanning the object in a plurality of projection directions includes: determining whether a truncated portion of the object exists in the plurality of projection images; reconstructing a first reconstruction image; calculating projection data for the first reconstruction image; and reconstructing a tomography image of the object by using the calculated projection data.
    Type: Grant
    Filed: February 28, 2013
    Date of Patent: June 23, 2015
    Assignees: SAMSUNG ELECTRONICS CO., LTD., KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Jong-ha Lee, Young-hun Sung, Kang-eui Lee, Kwang-eun Jang, Seung-ryong Cho
  • Patent number: 9057678
    Abstract: An image reconstruction system, apparatus, and method employing a non-sequential scanning scheme using real-time feedback are provided. A projection information generating unit is configured to generate at least one piece of projection information by the X-ray irradiated to the object in the at least one viewpoint. A projection information comparing unit is configured to compare predicted intermediate projection information with measured intermediate projection information from the generated projection information. The predicted intermediate projection information is predicted from pieces of projection information generated from different viewpoints, and the measured intermediate projection information is measured in an intermediate viewpoint corresponding to the predicted intermediate projection information. A determining unit is configured to determine whether to irradiate the X-ray to the object in an additional viewpoint.
    Type: Grant
    Filed: November 16, 2012
    Date of Patent: June 16, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jae Hak Lee, Jong Ha Lee, Sung Cheol Kim, Young Hun Sung, Kang Eui Lee, Kwang Eun Jang
  • Patent number: 9058682
    Abstract: Provided is an apparatus and method for generating a virtual view in an image reconstruction system which uses multiple views. In the image reconstruction system which uses multiple views, the virtual view generating apparatus may receive original view projection images that are generated by emitting X rays toward an object via original views, three-dimensionally reconstruct the object by using the original view projection images, generate original view reprojection images by virtually emitting X-rays toward the reconstructed 3D object via the original views, estimate a motion of the reconstructed 3D object with respect to at least two of the original view reprojection images using a block-based motion estimation scheme, and generate an intermediate view projection image with respect to the at least two of the original view reprojection images by using information relating to the estimated motion.
    Type: Grant
    Filed: December 27, 2012
    Date of Patent: June 16, 2015
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jae Hak Lee, Jong Ha Lee, Young Hun Sung, Kang Eui Lee, Kwang Eun Jang
  • Publication number: 20150162067
    Abstract: A memory may include a plurality of word lines coupled to one or more memory cells; a target address generation unit suitable for generating one or more target addresses using a stored address; and a control unit suitable for sequentially refreshing the plurality of word lines in response to a refresh command which is periodically inputted, and refreshing a word line corresponding to the target address in response to the refresh command at a random time.
    Type: Application
    Filed: June 6, 2014
    Publication date: June 11, 2015
    Inventors: Bo-Yeun KIM, Seok-Cheol YOON, Ji-Eun JANG
  • Publication number: 20150162066
    Abstract: A memory including a plurality of word lines to which one or more memory cells are coupled, an address storage unit suitable for storing an input address corresponding to a first external signal that is inputted at a random time, and a control unit suitable for activating a word line corresponding to the input address of the plurality of word lines in response to an active command and refreshing one or more target word lines selected using an address stored in the address storage unit when performing a refresh operation.
    Type: Application
    Filed: June 5, 2014
    Publication date: June 11, 2015
    Inventors: Choung Ki SONG, Ji Eun JANG, Seok Cheol YOON
  • Patent number: 9054180
    Abstract: Semiconductor devices are provided. The semiconductor devices may include a substrate and a transistor on the substrate. The semiconductor devices may include a first guard ring of first conductivity type in the substrate adjacent the transistor. The semiconductor devices may include a second guard ring of second conductivity type opposite the first conductivity type in the substrate adjacent the first guard ring. Related semiconductor systems are also provided.
    Type: Grant
    Filed: December 11, 2012
    Date of Patent: June 9, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hoon Chang, Dong-Eun Jang
  • Patent number: 9008263
    Abstract: An apparatus and method for imaging a breast are provided. The apparatus includes an X-ray emission unit that emits an X-ray of a first energy spectrum and an X-ray of a second energy spectrum from above a first region of a breast and emits an X-ray of a third energy spectrum from above a second region of the breast different from the first region of the breast; an X-ray detection unit that generates a plurality of image frames related to the breast by detecting the X-rays emitted and passed through the breast; and an image generation unit that generates image data related to the breast by combining the plurality of image frames.
    Type: Grant
    Filed: June 27, 2011
    Date of Patent: April 14, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Kwang Eun Jang, Jong Ha Lee, Dong Goo Kang, Young Hun Sung
  • Patent number: 8995612
    Abstract: An image diagnosis apparatus and method may emit radiation to a target object, may compress the target object in response to the emitted radiation, and may collect a plurality of images with respect to the compressed target object in response to the emitted radiation. An elastic image with respect to the target object may be generated based on the plurality of collected images.
    Type: Grant
    Filed: May 12, 2011
    Date of Patent: March 31, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jong Ha Lee, Dong Goo Kang, Sung Su Kim, Young Hun Sung, Seok Min Han, Kwang Eun Jang
  • Patent number: 8975693
    Abstract: A semiconductor device includes a semiconductor substrate of a first conductivity type, a buried layer a second conductivity type different from the first conductivity type on the substrate and an epitaxial layer of the second conductivity type on the buried layer. The device further includes a pocket well of the first conductivity type in the epitaxial layer, a first drift region in the epitaxial layer at least partially overlapping the pocket well, a second drift region in the epitaxial layer and spaced apart from the first drift region, and a body region of the first conductivity type in the pocket well. A gate electrode is disposed on the body region, the pocket well and the first drift region and has an edge overlying the epitaxial region between the first and second drift regions.
    Type: Grant
    Filed: November 21, 2012
    Date of Patent: March 10, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Eung-Kyu Lee, Jae-June Jang, Hoon Chang, Min-Hwan Kim, Sung-Ryoul Bae, Dong-Eun Jang
  • Publication number: 20150062524
    Abstract: A display panel is provided. A first substrate includes a display area and a peripheral area. The peripheral area surrounds the display area. A second substrate is disposed on the first substrate. The second substrate faces the first substrate along a first direction. A liquid crystal layer is interposed between the first substrate and the second substrate. A multi-layered sealant is disposed on the peripheral area of the first substrate. The multi-layered sealant surrounds the liquid crystal layer. The multi-layered sealant includes a first sealant layer including an acrylate resin having a functional group having at least 3 carbon atoms, and a second sealant layer including an epoxy resin having a (meth)arcylate group.
    Type: Application
    Filed: April 2, 2014
    Publication date: March 5, 2015
    Applicant: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jang-Hyun KIM, Keun-Chan OH, Won-Gap YOON, Jin- Hyeong LEE, Chang-Hun LEE, Ji-Eun JANG