Patents by Inventor Joon-Gu Lee

Joon-Gu 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: 8803133
    Abstract: An organic light emitting diode device includes a first electrode, a second electrode, and an emission layer disposed between the first and second electrodes. The first electrode includes a first layer and a second layer. The first layer includes ytterbium (Yb), samarium (Sm), lanthanum (La), yttrium (Y), calcium (Ca), strontium (Sr), cesium (Cs), ruthenium (Ru), barium (Ba), or a combination thereof and having a thickness ranging from about 40 to 200 ?. The second layer includes silver (Ag), aluminum (Al), copper (Cu), chromium (Cr), or a combination thereof and having a thickness ranging from about 100 to 250 ?.
    Type: Grant
    Filed: December 16, 2010
    Date of Patent: August 12, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yong-Tak Kim, Won-Jong Kim, Ji-Young Choung, Joon-Gu Lee, Jin-Baek Choi, Kyu-Hwan Hwang, Il-Soo Oh, Jong-Hyuk Lee
  • Patent number: 8785954
    Abstract: An organic light-emitting device includes a substrate, an anode including Ag on the substrate, a transparent inorganic thin-film layer on the anode, the transparent inorganic thin-film layer being in contact with the anode and having non-conductive characteristics; and an emitting layer and a cathode disposed sequentially on the inorganic thin-film layer.
    Type: Grant
    Filed: April 2, 2012
    Date of Patent: July 22, 2014
    Assignee: Samsusng Display Co., Ltd.
    Inventors: Joon-Gu Lee, Won-Jong Kim, Ji-Young Choung, Jin-Baek Choi, Yeon-Hwa Lee, Young-Woo Song, Jong-Hyuk Lee
  • Publication number: 20140145585
    Abstract: Provided is an organic light emitting display device including: a substrate; first electrodes on the substrate; an emission layer on the first electrodes; a second electrode on the emission layer; a pixel defining layer separating the first electrodes corresponding to pixels and defining pixel areas; and a gas collecting layer on the pixel defining layer.
    Type: Application
    Filed: March 26, 2013
    Publication date: May 29, 2014
    Applicant: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jin-Baek Choi, Ji-Young Choung, Joon-Gu Lee, Yeon-Hwa Lee, Won-Jong Kim, Hyun-Sung Bang, Young-Woo Sung
  • Publication number: 20140125637
    Abstract: A magnetic touch pen is disclosed. In one aspect, the magnetic touch pen comprises a first case in which a plurality of magnets is arranged in a cylindrical first body in a longitudinal direction of the first body. It also comprises a second case including a second body in which the first body of the first case is accommodated and having screw threads formed on an inner circumference of the second body. It further comprises a magnetic power controller configured between two magnet groups to separate the two magnet groups and moving along the screw threads of the second case to control a plurality of magnets of the two magnet groups.
    Type: Application
    Filed: February 4, 2013
    Publication date: May 8, 2014
    Applicant: Samsung Display Co., Ltd.
    Inventors: Hyung-Sung Bang, Won-Jong Kim, Ji-Young Choung, Joon-Gu Lee, Jin-Baek Choi, Yeon-Hwa Lee, Young-Woo Song, Jong-Hyuk Lee
  • Publication number: 20140125219
    Abstract: In an aspect, an organic light emitting device, including: a substrate; a first electrode on the substrate; an emission layer on the first electrode: a second electrode on the emission layer; and a conductive capping layer on the second electrode is provided.
    Type: Application
    Filed: March 12, 2013
    Publication date: May 8, 2014
    Applicant: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jin-Baek Choi, Ji-Young Choung, Joon-Gu Lee, Yeon-Hwa Lee, Won-Jong Kim, Hyun-Sung Bang
  • Patent number: 8716928
    Abstract: Provided is an organic light emitting device including an anode, a cathode, and a light emitting layer disposed between the anode and the cathode, wherein the cathode has a structure including a first metal layer and a second metal layer, or a structure including a first metal layer, a second metal layer, and one selected from the group consisting of an oxide layer, a nitride layer, and a nitric oxide layer, and wherein the cathode has low resistance.
    Type: Grant
    Filed: April 8, 2010
    Date of Patent: May 6, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yong-Tak Kim, Won-Jong Kim, Joon-Gu Lee, Jin-Baek Choi, Chang-Ho Lee, Il-Soo Oh, Hee-Ju Ko, Se-Jin Cho, Jin-Young Yun, Hyung-Jun Song, Kyu-Hwan Hwang, Jong-Hyuk Lee
  • Publication number: 20140120634
    Abstract: A method of manufacturing a touch sensing panel includes providing a substrate, forming a plurality of first electrodes arranged on the substrate, the first electrodes being separated from each other, forming a photoresist layer on the plurality of first electrodes, forming a plurality of photoresist removing regions positioned to intersect the first electrodes and to be separated from each other on the photoresist layer, and forming a tunneling magnetoresistance (TMR) element layer and a second electrode layer comprising a plurality of second electrodes on the photoresist layer. The method provides a touch sensing panel capable of being driven at high speed and reduces manufacturing cost and time.
    Type: Application
    Filed: February 14, 2013
    Publication date: May 1, 2014
    Applicant: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hyun-Sung Bang, Won-Jong Kim, Ji-Young Choung, Joon-Gu Lee, Jin-Baek Choi, Yeon-Hwa Lee, Young-Woo Song, Jong-Hyuk Lee
  • Patent number: 8686444
    Abstract: An organic light emitting device including a substrate on which an organic light emitting unit is formed, wherein the organic light emitting unit sequentially includes a first electrode, an organic layer, and a second electrode; and a passivation layer covering the substrate and the second electrode, and a method of manufacturing the organic light emitting device.
    Type: Grant
    Filed: June 14, 2010
    Date of Patent: April 1, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yong-Tak Kim, Jong-Hyuk Lee, Won-Jong Kim, Joon-Gu Lee, Jin-Baek Choi
  • Publication number: 20140034918
    Abstract: Disclosed is an organic light emitting display device improving light efficiency by forming a metal layer having a nanometer thickness on a protective layer formed in order to protect the organic light emitting diode.
    Type: Application
    Filed: March 15, 2013
    Publication date: February 6, 2014
    Applicant: SAMSUNG DISPLAY CO., LTD.
    Inventors: Ji-Young Choung, Hyun-Sung Bang, Yeon-Hwa Lee, Joon-Gu Lee, Jin-Baek Choi, Won-Jong Kim, Young-Woo Song, Jong-Hyuk Lee
  • Patent number: 8624259
    Abstract: An organic light-emitting display device includes a substrate; a thin-film transistor on the substrate; a first insulating layer covering the thin-film transistor; a first electrode on the first insulating layer, and electrically connected to the thin-film transistor; a second insulating layer on the first insulating layer so as to cover the first electrode, and having an opening for exposing a part of the first electrode; a porous member in the second insulating layer; a second electrode on the second insulating layer, and facing the first electrode so as to correspond to the opening; and an organic emission layer between the first electrode and the second electrode so as to correspond to the opening. The organic light-emitting display device may prevent degradation of characteristics of an organic light-emitting device due to discharge of gas from an organic material.
    Type: Grant
    Filed: September 23, 2011
    Date of Patent: January 7, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yeon-Hwa Lee, Won-Jong Kim, Ji-Young Choung, Joon-Gu Lee, Darby Choi, Young-Woo Song, Jong-Hyuk Lee
  • Patent number: 8593058
    Abstract: An organic light-emitting display device includes an anode electrode, an organic layer on the anode electrode, the organic layer having an emission layer, and a cathode electrode on the organic layer through which light emitted from the emission layer of the organic layer passes, wherein a thickness of the cathode electrode in a first region is different from a thickness of the cathode electrode in a second region.
    Type: Grant
    Filed: October 25, 2011
    Date of Patent: November 26, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jin-Baek Choi, Won-Jong Kim, Ji-Young Choung, Joon-Gu Lee, Yeon-Hwa Lee, Young-Woo Song, Jong-Hyuk Lee
  • Patent number: 8525154
    Abstract: Provided is a light-emitting device which has a simple structure and can be manufactured in a simple process, has increased light coupling efficiency and brightness, and can reduce adverse effects of optical resonance on a view angle and emission spectrum. The light-emitting device includes a substrate; a light-emitting diode formed on the substrate; and an optical resonance layer formed outside the light-emitting diode that induces resonance of light emitted from the light-emitting diode.
    Type: Grant
    Filed: November 9, 2005
    Date of Patent: September 3, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yoon-Chang Kim, Young-Woo Song, Sang-Hwan Cho, Ji-Hoon Ahn, Joon-Gu Lee, So-Young Lee, Jong-Seok Oh, Jae-Heung Ha
  • Patent number: 8502205
    Abstract: An organic light emitting diode (OLED) device and a method of manufacturing the same, the OLED device including a substrate, a first electrode on the substrate, a buffer layer on the first electrode, an emission layer on the buffer layer, and a second electrode on the emission layer, wherein the buffer layer includes a transparent conductive oxide, and a metal or metal oxide having a work function lower than a work function of the transparent conductive oxide.
    Type: Grant
    Filed: October 19, 2010
    Date of Patent: August 6, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Joon-Gu Lee, Jong-Hyuk Lee, Won-Jong Kim, Ji-Young Choung, Kyu-Ilwan Kwang, Yong-Tak Kim, Jin-Baek Choi
  • Patent number: 8383431
    Abstract: An organic light emitting diode (OLED) including: a substrate; a reflection layer on the substrate and including metal; a first electrode on the reflection layer and including a light transparent aluminum zinc oxide (AZO); an organic layer on the first electrode and including an emitting layer; and a second electrode on the organic layer and including a semi-transparent reflection layer.
    Type: Grant
    Filed: February 8, 2010
    Date of Patent: February 26, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Won-Jong Kim, Chang-Ho Lee, Jong-Hyuk Lee, Young-Woo Song, Yong-Tak Kim, Jin-Baek Choi, Joon-Gu Lee, Se-Jin Cho, Hee-Joo Ko, Il-Soo Oh, Hye-Lim Lee, Kyu-Hawn Hwang
  • Patent number: 8384854
    Abstract: A liquid crystal display apparatus includes a backlight unit, a second polarization layer, a liquid crystal layer disposed between the backlight unit and the second polarization layer, a first polarization layer disposed between the backlight unit and the liquid crystal layer. In an embodiment, a surface of the first polarization layer facing the backlight unit includes a reflective surface and a surface of the first polarization layer facing the backlight unit includes an absorbent surface. In another embodiment, the first polarization layer includes grids, which include a metal, and absorbing members, which include dielectric materials. In another embodiment, the first polarization layer includes grids, each of which includes a first component including a dielectric material and a second component including a metal.
    Type: Grant
    Filed: April 24, 2009
    Date of Patent: February 26, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Young-Woo Song, Jong-Hyuk Lee, Kyu-Hwan Hwang, Jong-Seok Oh, Joon-Gu Lee, Jae-Heung Ha, Chul-Woo Park
  • Publication number: 20130001601
    Abstract: An organic light emitting display device includes a substrate having a luminescent region and a non-luminescent region, an insulation layer on the substrate, a first electrode on the insulation layer, at least one light emitting structure on the first electrode, a second electrode on the light emitting structure, and at least one reflecting structure at one of the first electrode or the second electrode around the at least one light emitting structure. The reflecting structure may be configured to reflect light back toward the luminescent region.
    Type: Application
    Filed: March 27, 2012
    Publication date: January 3, 2013
    Inventors: Joon-Gu Lee, Won-Jong Kim, Ji-Young Choung, Jin-Baek Choi, Yeon-Hwa Lee, Young-Woo Song, Jong-Hyuk Lee
  • Publication number: 20120326190
    Abstract: An anode for an organic light emitting device which introduces a metal oxide to improve flows of charges, and an organic light emitting device using the anode. The anode for the organic light emitting device has excellent charge injection characteristics, thereby improving power consumption of the organic light emitting device.
    Type: Application
    Filed: November 18, 2011
    Publication date: December 27, 2012
    Applicant: SAMSUNG MOBILE DISPLAY CO., LTD.
    Inventors: Won-Jong KIM, Joon-Gu LEE, Ji-Young CHOUNG, Jin-Baek CHOI, Yeon-Hwa LEE, Chang-Ho LEE, Il-Soo OH, Hyung-Jun SONG, Jin-Young YUN, Young-Woo SONG, Jong-Hyuk LEE
  • Publication number: 20120326189
    Abstract: An electrode, which includes a magnetic material to improve the flow of charges, and an organic light emitting device using the electrode. The electrode for the organic light emitting device has an excellent charge injection property, so that it is possible to improve the efficiency of light emission of the organic light emitting device.
    Type: Application
    Filed: October 28, 2011
    Publication date: December 27, 2012
    Applicant: SAMSUNG MOBILE DISPLAY CO., LTD.
    Inventors: Joon-Gu Lee, Won-Jong Kim, Ji-Young Choung, Jin-Baek Choi, Yeon-Hwa Lee, Chang-Ho Lee, Il-Soo Oh, Hyung-Jun Song, Jin-Young Yun, Young-Woo Song, Jong-Hyuk Lee
  • Patent number: 8330172
    Abstract: An organic light emitting diode display capable of reducing the shortening of image stacking lifetime caused by the residue of the barrier ribs produced during the forming of the barrier ribs is provided. The display includes: a substrate; a first pixel electrode formed on the substrate; barrier ribs formed on the substrate, and having an opening exposing the first pixel electrode; a second pixel electrode formed on the first pixel electrode; an organic light emitting member formed on the second pixel electrode; an organic light emitting member formed on the second pixel electrode; a common electrode formed on the organic light emitting member; and a thin film encapsulation member covering the common electrode. The width of the second pixel electrode is greater than the exposure width of the first pixel electrode exposed through the opening of the barrier ribs.
    Type: Grant
    Filed: July 11, 2011
    Date of Patent: December 11, 2012
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jin-Baek Choi, Ji-Young Choung, Joon-Gu Lee, Se-Jin Cho, Won-Jong Kim, Hee-Joo Ko, Yeon-Hwa Lee, Young-Woo Song, Jong-Hyuk Lee
  • Publication number: 20120286318
    Abstract: An organic light-emitting device includes a substrate, an anode including Ag on the substrate, a transparent inorganic thin-film layer on the anode, the transparent inorganic thin-film layer being in contact with the anode and having non-conductive characteristics; and an emitting layer and a cathode disposed sequentially on the inorganic thin-film layer.
    Type: Application
    Filed: April 2, 2012
    Publication date: November 15, 2012
    Inventors: Joon-Gu LEE, Won-Jong Kim, Ji-Young Choung, Jin-Baek Choi, Yeon-Hwa Lee, Young-Woo Song, Jong-Hyuk Lee