Patents by Inventor Young-hun Lee

Young-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).

  • Publication number: 20140356673
    Abstract: There is provided a secondary battery which can implement a high-density electrode plate and prevent fracture of the electrode plate. The secondary battery includes a metallic base material, a first active material coated on one surface of the metallic base material, and a second active material coated on the other surface of the metallic base material. In the secondary battery, the difference in loading level between the first and second active materials ranges from 2 mg/cm2 to 10 mg/cm2.
    Type: Application
    Filed: May 13, 2014
    Publication date: December 4, 2014
    Applicant: Samsung SDl Co., Ltd.
    Inventors: Soon-Rewl Lee, Ick-Kyu Choi, Young-Ki Kim, Young-Hun Lee, Na-Ri Park, Yong-Chul Park
  • Publication number: 20140295274
    Abstract: A rechargeable lithium battery includes a non-aqueous electrolyte, a negative electrode including a silicon-based negative active material, and a positive active material including a compound represented by a Chemical Formula 1, Li1+xCo1?yMyO2, wherein, ?0.2?x?0.2, 0<y?0.2, and M includes Ni and one selected from Mn, B, Mg, Ca, Sr, Ba, Ti, V, Cr, Fe, Cu, Al, and a combination thereof.
    Type: Application
    Filed: February 18, 2014
    Publication date: October 2, 2014
    Applicant: SAMSUNG SDI CO., LTD.
    Inventors: Young-Ki Kim, Young-Hun Lee, Na-Leum Yoo, Na-Ri Park, Soon-Rewl Lee, Ick-Kyu Choi, Yong-Chul Park
  • Publication number: 20140220455
    Abstract: A rechargeable lithium battery including a negative electrode including a silicon-based negative active material; a positive electrode including a positive active material including a sacrificial positive active material selected from lithium nickel oxides, lithium molybdenum oxides, and combinations thereof; and a non-aqueous electrolyte, is disclosed.
    Type: Application
    Filed: July 23, 2013
    Publication date: August 7, 2014
    Applicant: Samsung SDI Co., Ltd.
    Inventors: Soon-Rewl Lee, Ick-Kyu Choi, Young-Ki Kim, Young-Hun Lee, Na-Leum Yoo, Na-Ri Park, Yong-Chul Park
  • Publication number: 20140212745
    Abstract: In an aspect, a positive active material for a rechargeable lithium battery including: a compound that reversibly intercalates and deintercalates lithium; and a coating layer coating the compound and including a metal nitrate is disclosed. Since the positive active material is structurally stable during the charge and discharge, the obtained battery may have excellent battery capacity and cycle-life characteristics and also have high power.
    Type: Application
    Filed: May 8, 2013
    Publication date: July 31, 2014
    Applicant: Samsung SDI Co., Ltd.
    Inventors: Young-Ki Kim, Young-Hun Lee, Na-Leum Yoo, Na-Ri Park, Soon-Rewl Lee, Hong-Kyu Choi, Yong-Chul Park, Ick-Kyu Choi
  • Publication number: 20140205898
    Abstract: In an aspect, a composite cathode active material a cathode and a lithium battery including the composite cathode active material, and a method of preparing the composite cathode active material is disclosed.
    Type: Application
    Filed: May 16, 2013
    Publication date: July 24, 2014
    Applicant: Samsung SDI Co., Ltd.
    Inventors: Young-Hun Lee, Soon-Rewl Lee, Na-Ri Park, Young-Ki Kim, Na-Leum Yoo, Ick-Kyu Choi, Yong-Chul Park
  • Publication number: 20140050985
    Abstract: In an aspect, a rechargeable lithium battery including a negative electrode including a silicon-based negative active material is disclosed.
    Type: Application
    Filed: March 13, 2013
    Publication date: February 20, 2014
    Applicant: SAMSUNG SDI CO., LTD.
    Inventors: Soon-Rewl Lee, Ick-Kyu Choi, Young-Ki Kim, Young-Hun Lee, Na-Leum Yoo, Na-Ri Park, Yong-Chul Park
  • Publication number: 20130258324
    Abstract: Disclosed herein is a surface defect detecting apparatus including a stage unit having an upper surface on which a subject is disposed; at least one light source unit that is moved according to an examination condition and irradiates examination light onto a surface of the subject; an imaging unit that receives light emitted from the surface of the subject and captures an image of the surface of the subject; a controller that is connected to the at least one light source unit and the imaging unit, sets the examination condition, controls an overall operation, and detects a surface defect of the subject by using the image captured by the imaging unit; and a display unit displaying image information on the surface defect detected by the controller.
    Type: Application
    Filed: August 13, 2012
    Publication date: October 3, 2013
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Young Hun Lee, Joo Hong Kim, Suk Joon Lee
  • Patent number: 8476092
    Abstract: According to an embodiment, there is provided a fabricating method for a thin film transistor substrate divided into a display area displaying images and a non-display area beside the display area, the fabricating method comprising: forming a gate wire in the display area, a common voltage line for a MPS (mass production system) test in the non-display area, and a grounding line for the MPS test in the non-display area with same material at the same time; forming a gate insulating layer covering the gate wire and a first insulating layer covering the common voltage line for the MPS test and the grounding line for the MPS test with same material at the same time; forming a data wire crossing the gate wire and defining a pixel area in the display area; and forming a pixel electrode in the pixel area and an electrode layer on the first insulating layer corresponding to the common voltage line for the MPS test and the grounding line for the MPS test with same material at the same time.
    Type: Grant
    Filed: February 1, 2010
    Date of Patent: July 2, 2013
    Assignee: LG Display Co., Ltd.
    Inventor: Young-Hun Lee
  • Patent number: 8409471
    Abstract: A green phosphor including a compound represented by Formula 1 (Y3-xMx) (Al5-yM?y)O12:Cez and a pigment. The green phosphor having the compound represented by Formula 1 and a pigment has a shorter decay time than conventional phosphors, and thereby confers excellent luminescence characteristics and color purity. A display panel including the green phosphor 1 is also provided herein.
    Type: Grant
    Filed: August 12, 2010
    Date of Patent: April 2, 2013
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Yu-Mi Song, Jay-Hyok Song, Ick-Kyu Choi, Young-Hun Lee, Young-Ki Kim, Mi-Ran Song, Do-Hyung Park, Yoon-Chang Kim, Young-Kwan Kim, Soon-Rewl Lee, Dong-Sik Zang
  • Patent number: 8284493
    Abstract: There is provided a projection lens unit for a pico-projector which comprises a lens array, a color composition prism, a cover glass and an image panel, the projection lens unit characterized in that: the lens array includes 1st to 6th lenses sequentially arrayed from a screen on which an image is projected, the 1st lens includes a stop side formed on a 1st side of the 1st lens, the stop side stops the passage of light, to perform the function of a diaphragm aperture, light passing from the 1st lens to the 6th lens travels in only one direction of the lens sides based on the diaphragm aperture, and parts of the lens sides through which the light does not pass are cut so that the whole height of the lens array is reduced.
    Type: Grant
    Filed: March 29, 2010
    Date of Patent: October 9, 2012
    Assignee: Sekonix Co., Ltd.
    Inventors: Hee-Joong Lee, Young-Hun Lee, Sung-Hoon Hwang, Seung-Ki Hong
  • Patent number: 8268192
    Abstract: A blue phosphor, a display device including the same, and associated methods, the blue phosphor including BaMgAl10O17:Eu (BAM) phosphor particles having a surface component and an internal component, wherein an aluminum/barium (Al/Ba) molar ratio of the surface component of the phosphor particles is 1.1 to about 1.4 times the Al/Ba molar ratio of the internal component of the phosphor particles, and the Al/Ba molar ratios are continuously variable between the internal component and the surface component.
    Type: Grant
    Filed: July 31, 2009
    Date of Patent: September 18, 2012
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Ick-Kyu Choi, Yoon-Chang Kim, Do-Hyung Park, Mi-Ran Song, Hyun-Deok Lee, Ji-Hyun Kim, Yu-Mi Song, Jay-Hyok Song, Young-Hun Lee, Min-Ju Kim, Jin-Hyoung Seo, Young-Ki Kim
  • Publication number: 20120148920
    Abstract: A positive active material for lithium batteries, the positive active material comprising a lithium-nickel-iron oxide, and a lithium battery including the positive active material. The lithium-nickel-iron oxide is represented by Formula 1: Li2Ni1-xFexO2, wherein about 0<x<about 0.2.
    Type: Application
    Filed: September 20, 2011
    Publication date: June 14, 2012
    Applicant: Samsung SDI Co., Ltd.
    Inventors: Jay-Hyok Song, Young-Hun Lee, Yu-Mi Song, Young-Ki Kim, Soon-Rewl Lee, Ick-Kyu Choi, Yoon-Chang Kim
  • Patent number: 8158025
    Abstract: A phosphor composition including a first phosphor represented by Formula 1: Ba1-bMg1-aAl10O17:Mna,Eub??(1). In Formula 1, a and b satisfy the relations: 0.05?a?0.4, and 0.006?b<0.05.
    Type: Grant
    Filed: February 4, 2009
    Date of Patent: April 17, 2012
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Gyeong-Jae Heo, Mi-Ran Song, Young-Hun Lee, Yoon-Chang Kim, Yong-Chan You, Do-Hyung Park, Hyun-Deok Lee, Seon-Young Kwon, Ji-Hyun Kim, Ick-Kyu Choi, Ji-Hyun Kim, Yu-Mi Song, Jay-Hyok Song, Min-Ju Kim, Sun-Hwa Kwon, Young-Ki Kim
  • Patent number: 8147716
    Abstract: A red phosphor includes yttrium (Y), gadolinium (Gd), an alkaline-earth metal element, and europium (Eu). A plasma display panel (PDP) includes the red phosphor.
    Type: Grant
    Filed: December 3, 2010
    Date of Patent: April 3, 2012
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Young-Ki Kim, Ick-Kyu Choi, Jay-Hyok Song, Yu-Mi Song, Young-Hun Lee, Min-kyu Kim, Soon-Rewl Lee, Yoon-Chang Kim, Dong-Sik Zang
  • Patent number: 8137585
    Abstract: The phosphor composition including a first phosphor represented by Formula 1: Y3?x?kCekM?xAla?yM?yO(1.5a+4.5)??(1). In Formula 1, M? includes at least one of Sc, In, and La, M? includes at least one of Ga, Sc, and In, and x, y, k, and a satisfy the relations: 0.0?x<3.0, 0.0<y?7.0, 0.0<k<0.1, 4.0?a?7.0, a?y?0.0, and x+k?3.0.
    Type: Grant
    Filed: February 4, 2009
    Date of Patent: March 20, 2012
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Jay-Hyok Song, Yu-Mi Song, Yoon-Chang Kim, Do-Hyung Park, Yong-Chan You, Gyeong-Jae Heo, Ick-Kyu Choi, Mi-Ran Song, Seon-Young Kwon, Hyun-Deok Lee, Ji-Hyun Kim, Jin-Hyoung Seo, Sun-Hwa Kwon, Min-Ju Kim, Young-Hun Lee, Young-Ki Kim
  • Patent number: 8128840
    Abstract: A phosphor composition for a display device, including a phosphor represented by Formula 1: Y3-x-k-zCekMzM?xAla-yM?yO(1.5a+4.5)??(1). In Formula 1, M includes at least one of Tb, Dy, and Eu, M? includes at least one of Sc, Gd, In, and La, M? includes at least one of Ga, Sc, and In, and x, y, z, k, and a represent molar ratios and satisfy the relations: 0.0?x<3.0, 0.0?y?7.0, 0.0<k<0.1, 0.0<z<0.5, 4.0?a?7.0, a-y?0.0, x+k+z?3.0, and 0.01?z/k?20.
    Type: Grant
    Filed: January 29, 2009
    Date of Patent: March 6, 2012
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Jay-Hyok Song, Yu-Mi Song, Yoon-Chang Kim, Do-Hyung Park, Yong-Chan You, Gyeong-Jae Heo, Ick-Kyu Choi, Mi-Ran Song, Seon-Young Kwon, Hyun-Deok Lee, Ji-Hyun Kim, Jin-Hyoung Seo, Sun-Hwa Kwon, Ji-Hyun Kim, Min-Ju Kim, Young-Hun Lee, Young-Ki Kim
  • Patent number: 8122334
    Abstract: A parity error detecting circuit includes a first operation unit, a second operation unit, and a shift register. The first operation unit receives a serial data signal and a first signal, performs a logic operation on the two received signals, and outputs the result of the logic operation as the first signal in response to a first clock signal. The shift register shifts the first signal in response to the first clock signal and outputs a second signal. The second operation unit receives the first signal and the second signal, performs a logic operation on the two received signals, and outputs the result of the logic operation in response to a second clock signal.
    Type: Grant
    Filed: July 27, 2007
    Date of Patent: February 21, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Young-Hun Lee, Jae-Youl Lee, Jong-Seon Kim, Kyung-Suc Nah
  • Publication number: 20120037846
    Abstract: A positive active material including a lithium composite oxide and a transition metal oxide including a transition metal having an oxidation number smaller than an oxidation number when the transition metal is in the most stable state hinders generation of oxygen occurring during charging and provides a lithium battery with high-temperature preservation characteristics and high stability.
    Type: Application
    Filed: July 15, 2011
    Publication date: February 16, 2012
    Applicant: Samsung SDI Co., Ltd.
    Inventors: Young-Hun LEE, Jay-Hyok Song, Ick-Kyu Choi, Young-Ki Kim, Soon-Rewl Lee, Yu-Mi Song, Yoon-Chang Kim
  • Publication number: 20120032114
    Abstract: A red phosphor includes yttrium (Y), gadolinium (Gd), an alkaline-earth metal element, and europium (Eu). A plasma display panel (PDP) includes the red phosphor.
    Type: Application
    Filed: December 3, 2010
    Publication date: February 9, 2012
    Inventors: Young-Ki Kim, Ick-Kyu Choi, Jay-Hyok Song, Yu-Mi Song, Young-Hun Lee, Min-kyu Kim, Soon-Rewl Lee, Yoon-Chang Kim, Dong-Sik Zang
  • Publication number: 20120021287
    Abstract: Disclosed is a positive electrode and a lithium battery including the positive electrode. The positive electrode includes a first active material represented by Formula 1: Li2Mo1-nR1nO3; a second active material represented by Formula 2: Li2Ni1-mR2mO2; and a third active material configured to allow that allows reversible intercalation and deintercalation of lithium ions. In Formula 1, 0?n<1, and R1 is selected from the group consisting of manganese (Mn), iron (Fe), cobalt (Co), copper (Cu), zinc (Zn), magnesium (Mg), nickel (Ni), and combinations of at least two of the foregoing elements. In Formula 2, 0?m<1, and R2 is selected from the group consisting of Mn, Fe, Co, Cu, Zn, Mg, molybdenum (Mo), and combinations of at least two of the immediately foregoing elements.
    Type: Application
    Filed: May 5, 2011
    Publication date: January 26, 2012
    Applicant: SAMSUNG SDI CO., LTD.
    Inventors: SOON-REWL LEE, ICK-KYU CHOI, YOUNG-KI KIM, JAY-HYOK SONG, YOUNG-HUN LEE, YU-MI SONG, YOON-CHANG KIM