Patents by Inventor Young Mo Koo

Young Mo Koo 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: 8922114
    Abstract: A white light-emitting device includes a first electrode; a first barrier rib on the first electrode including a first color conversion material; a second barrier rib on the first electrode spaced apart from the first barrier rib and including a second color conversion material; a third color layer between the first barrier rib and the second barrier rib that emits white light when light emitted from the third color layer is combined with light emitted from first color conversion material and light emitted from the second color conversion material; and a second electrode on the first barrier rib, the second barrier rib, and the third color layer.
    Type: Grant
    Filed: March 12, 2013
    Date of Patent: December 30, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Min-Woo Lee, Young-Mo Koo, Jae-Goo Lee, Woo-Sik Jeon
  • Publication number: 20140346453
    Abstract: An organic light emitting display device includes a first electrode on a substrate, an auxiliary electrode on the substrate, the auxiliary electrode being spaced apart from the first electrode, a protrusion on the auxiliary electrode, a pixel defining layer overlapping end portions of the first electrode and of the auxiliary electrode, the pixel defining layer separating the first electrode from the auxiliary electrode, an organic layer on the first electrode, and a second electrode on the organic layer, the protrusion electrically connecting the second electrode to the auxiliary electrode.
    Type: Application
    Filed: September 26, 2013
    Publication date: November 27, 2014
    Applicant: SAMSUNG DISPLAY CO., LTD.
    Inventors: Young-Mo KOO, Ok-Keun SONG, Min-Woo LEE, Jae-Goo LEE
  • Patent number: 8895156
    Abstract: An organic light emitting diode that can improve a driving voltage and emission efficiency includes a first electrode, an organic layer formed on the first electrode and including an emitting layer and an electron transport layer that is doped with an organic n-type impurity, and a second electrode formed on the organic layer. The electron transport layer is made of C60. An organic light emitting display includes the organic light emitting diode.
    Type: Grant
    Filed: March 16, 2007
    Date of Patent: November 25, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Tae-Shick Kim, Ok-Keun Song, Hye-In Jeong, Young-Mo Koo
  • Patent number: 8890317
    Abstract: An organic light emitting display device includes a first electrode on a substrate, an auxiliary electrode on the substrate, the auxiliary electrode being spaced apart from the first electrode, a protrusion on the auxiliary electrode, a pixel defining layer overlapping end portions of the first electrode and of the auxiliary electrode, the pixel defining layer separating the first electrode from the auxiliary electrode, an organic layer on the first electrode, and a second electrode on the organic layer, the protrusion electrically connecting the second electrode to the auxiliary electrode.
    Type: Grant
    Filed: September 26, 2013
    Date of Patent: November 18, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Young-Mo Koo, Ok-Keun Song, Min-Woo Lee, Jae-Goo Lee
  • Patent number: 8878167
    Abstract: An organic light emitting diode lighting equipment includes a transparent substrate main body, a first electrode formed on the substrate main body, a subsidiary electrode formed on the first electrode to partition the first electrode at a predetermined distance, an organic emissive layer formed on the first electrode, and a second electrode formed on the organic emissive layer. The subsidiary electrode has an inclined lateral side facing toward the organic emissive layer.
    Type: Grant
    Filed: November 28, 2012
    Date of Patent: November 4, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hyuk-Sang Jun, Ok-Keun Song, Young-Mo Koo, Jung-Ha Lee, Il-Hwa Hong
  • Publication number: 20140291631
    Abstract: An organic light emitting diode device includes a first electrode and a second electrode facing each other, a charge-generating layer interposed between the first electrode and the second electrode, a first light emitting unit that emits blue and is interposed between the first electrode and the charge-generating layer, and a second light emitting unit that emits white by combining the blue and is interposed between the second electrode and the charge-generating layer. The first light emitting unit includes a blue emission layer, a first charge transport layer disposed on one side of the blue emission layer and including an alkali metal complex compound and a first charge transport material, and a second charge transport layer disposed on one side of the first charge transport layer and including the alkali metal complex compound and a second charge transport material that has different charge mobility from the first charge transport material.
    Type: Application
    Filed: September 30, 2013
    Publication date: October 2, 2014
    Inventors: Min-Woo Lee, Young-Mo Koo, Jae-Goo Lee, Woo-Sik Jeon
  • Publication number: 20140203261
    Abstract: Provided is an organic light emitting diode which can easily control color coordinates and improve a device's life span characteristic by using an auxiliary dopant having a higher band gap energy than that of a host, and preferably, having an absolute value of the highest occupied molecular orbital energy level equal to or higher than that of the host, or an absolute value of the lowest unoccupied molecular orbital energy level equal to or lower than that of the host. The organic light emitting diode includes a first electrode, an emission layer disposed on the first electrode and including a host, an emitting dopant and an auxiliary dopant, and a second electrode disposed on the emission layer. Here, the auxiliary dopant has a higher band gap energy than the host. A method of fabricating the organic light emitting diode is provided.
    Type: Application
    Filed: March 20, 2014
    Publication date: July 24, 2014
    Applicant: Samsung Display Co., Ltd.
    Inventors: Sung-Jin CHOI, Ok-Keun SONG, Hye-In JEONG, Young-Mo KOO, Min-Woo LEE
  • Publication number: 20140167000
    Abstract: An organic light emitting display device includes a thin film transistor on a substrate, a first protection layer covering the thin film transistor, a conductive organic layer on the first protection layer and coupled to the thin film transistor, and an organic light emitting device on the conductive organic layer and coupled to the conductive organic layer.
    Type: Application
    Filed: August 9, 2013
    Publication date: June 19, 2014
    Applicant: Samsung Display Co., Ltd.
    Inventors: Woosik Jeon, Young-Mo Koo, Min Woo Lee, Jaegoo Lee
  • Publication number: 20140138630
    Abstract: In an aspect, an organic light-emitting display apparatus including: a substrate; at least one color filter formed on the substrate; an overcoat layer covering the at least one color filter; a first passivation layer formed on the overcoat layer; a light scattering layer formed on the first passivation layer; a first electrode formed on the light scattering layer; a second electrode facing the first electrode; and an organic layer located between the first and second electrodes is provided.
    Type: Application
    Filed: February 25, 2013
    Publication date: May 22, 2014
    Applicant: Samsung Display Co., Ltd.
    Inventors: Min-Woo Lee, Young-Mo Koo, Jae-Goo Lee, Woo-Sik Jeon
  • Publication number: 20140124761
    Abstract: A thin film transistor array panel according to an exemplary embodiment includes: a substrate; a thin film transistor positioned on the substrate; a first electrode connected to the thin film transistor; and a diffractive layer positioned between the substrate and the thin film transistor. The diffractive layer is positioned within a boundary line of semiconductors of the thin film transistor.
    Type: Application
    Filed: October 25, 2013
    Publication date: May 8, 2014
    Inventors: Woo-Sik Jeon, Young-Mo Koo, Min-Woo Lee, Jae-Goo Lee
  • Patent number: 8692232
    Abstract: Provided is an organic light emitting diode which can easily control color coordinates and improve a device's life span characteristic by using an auxiliary dopant having a higher band gap energy than that of a host, and preferably, having an absolute value of the highest occupied molecular orbital energy level equal to or higher than that of the host, or an absolute value of the lowest unoccupied molecular orbital energy level equal to or lower than that of the host. The organic light emitting diode includes a first electrode, an emission layer disposed on the first electrode and including a host, an emitting dopant and an auxiliary dopant, and a second electrode disposed on the emission layer. Here, the auxiliary dopant has a higher band gap energy than the host. A method of fabricating the organic light emitting diode is provided.
    Type: Grant
    Filed: June 4, 2009
    Date of Patent: April 8, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sung-Jin Choi, Ok-Keun Song, Hye-In Jeong, Young-Mo Koo, Min-Woo Lee
  • Publication number: 20140084784
    Abstract: A white light-emitting device includes a first electrode; a first barrier rib on the first electrode including a first color conversion material; a second barrier rib on the first electrode spaced apart from the first barrier rib and including a second color conversion material; a third color layer between the first barrier rib and the second barrier rib that emits white light when light emitted from the third color layer is combined with light emitted from first color conversion material and light emitted from the second color conversion material; and a second electrode on the first barrier rib, the second barrier rib, and the third color layer.
    Type: Application
    Filed: March 12, 2013
    Publication date: March 27, 2014
    Applicant: Samsung Display Co., Ltd.
    Inventors: Min-Woo Lee, Young-Mo Koo, Jae-Goo Lee, Woo-Sik Jeon
  • Publication number: 20140078120
    Abstract: An organic electroluminescence (EL) display panel includes a substrate, a thin film transistor on the substrate, an overcoat layer on the thin film transistor and containing an organic material, a first electrode on the overcoat layer, an organic light emitting layer on the first electrode, a second electrode on the organic light emitting layer, and a barrier layer between the overcoat layer and the first electrode and including a first region formed of a single layer and a second region formed of a multilayer.
    Type: Application
    Filed: July 16, 2013
    Publication date: March 20, 2014
    Applicant: SAMSUNG DISPLAY CO., LTD.
    Inventors: Sung Soo Lee, Ok Keun Song, Young Mo Koo, Se Il Kim
  • Patent number: 8659048
    Abstract: An organic light emitting device includes a first electrode formed over a substrate, an intermediate layer that is formed over the first electrode and includes an organic light emitting layer, and a second electrode that includes a central electrode unit disposed in a central region and a peripheral electrode unit separated from the central electrode unit and disposed in a peripheral region. The intermediate layer is disposed between the first and second electrodes. The organic light emitting device can readily secure a uniform brightness characteristic.
    Type: Grant
    Filed: April 9, 2012
    Date of Patent: February 25, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sang-Hoon Yim, Ok-Keun Song, Young-Mo Koo
  • Patent number: 8513689
    Abstract: An organic light emitting diode lighting apparatus includes: a substrate main body including a sealing area and a sealing line surrounding the sealing area; a plurality of first line electrodes of which both ends are located within the sealing area; a plurality of second line electrodes, at least one end of which is located outside the sealing area; an encapsulating member disposed to face the substrate main body; a sealant disposed on the sealing line to bond the substrate main body and the encapsulating member and seal the sealing area; a first connection member coupled to the ends of the plurality of first line electrodes within the sealing area; and a second connection member coupled to the ends of the plurality of second line electrodes outside the sealing area.
    Type: Grant
    Filed: September 17, 2010
    Date of Patent: August 20, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Min-Woo Lee, Ok-Keun Song, Young-Mo Koo, Jae-Goo Lee, Sung-Jin Choi
  • Publication number: 20130193456
    Abstract: An organic light emitting diode display includes a substrate, a white pixel and a color pixel, each including an emission area, a non-emission area, a thin film transistor on the substrate, and an organic light emitting element on the substrate and electrically connected to the thin film transistor and configured to emit light at the emission area, a color filter layer between the organic light emitting element of the color pixel and the substrate at the emission area of the color pixel, and an overcoat layer having an overcoat opening corresponding to the emission area of the white pixel, and covering the color filter layer between the organic light emitting element of the color pixel and the color filter layer.
    Type: Application
    Filed: September 11, 2012
    Publication date: August 1, 2013
    Inventors: Sung-Soo Lee, Ok-Keun Song, Young-Mo Koo, Se-Il Kim
  • Patent number: 8405119
    Abstract: An organic light emitting diode (OLED) lighting apparatus is disclosed. In one embodiment, the apparatus includes i) a substrate main body including a light emitting area and a sealing area surrounding the light emitting area, ii) an OLED disposed on the light emitting area of the substrate main body, iii) a sealant disposed on the sealing area of the substrate main body and iv) an encapsulation substrate encapsulating the OLED, wherein the encapsulation substrate comprises first and second surfaces opposing each other. The apparatus may further include a heat dissipating wire configured to dissipate heat generated by the OLED. The heat dissipating wire includes a heat absorption portion disposed on the first surface of the encapsulation substrate and contacting the sealant, a heat dissipating portion disposed on the second surface, and a coupling portion interconnecting the absorption portion and the heat dissipating portion.
    Type: Grant
    Filed: October 12, 2011
    Date of Patent: March 26, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Young-Mo Koo, Ok-Keun Song, Hyuk-Sang Jun, Yong-Han Lee, Jae-Goo Lee
  • Patent number: 8389981
    Abstract: An organic light emitting diode lighting equipment includes a transparent substrate main body, a first electrode formed on the substrate main body, a subsidiary electrode formed on the first electrode to partition the first electrode at a predetermined distance, an organic emissive layer formed on the first electrode, and a second electrode formed on the organic emissive layer. The subsidiary electrode has an inclined lateral side facing toward the organic emissive layer.
    Type: Grant
    Filed: August 25, 2010
    Date of Patent: March 5, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hyuk-Sang Jun, Ok-Keun Song, Young-Mo Koo, Jung-Ha Lee, Il-Hwa Hong
  • Publication number: 20120292656
    Abstract: An organic light emitting device includes a first electrode formed over a substrate, an intermediate layer that is formed over the first electrode and includes an organic light emitting layer, and a second electrode that includes a central electrode unit disposed in a central region and a peripheral electrode unit separated from the central electrode unit and disposed in a peripheral region. The intermediate layer is disposed between the first and second electrodes. The organic light emitting device can readily secure a uniform brightness characteristic.
    Type: Application
    Filed: April 9, 2012
    Publication date: November 22, 2012
    Applicant: SAMSUNG MOBILE DISPLAY CO., LTD.
    Inventors: Sang-Hoon Yim, Ok-Keun Song, Young-Mo Koo
  • Publication number: 20120293090
    Abstract: An organic light emitting device includes a first electrode formed over a substrate; an intermediate layer that is formed over the first electrode and includes an organic light emitting layer; a second electrode that includes a central electrode unit disposed in a central region and a peripheral electrode unit disposed in a peripheral region, the intermediate layer being disposed between the first and second electrodes; and a power unit configured to apply voltages to the first electrode and the second electrode. The power unit is configured to apply different voltages to the first electrode, the central electrode unit, and the peripheral electrode unit.
    Type: Application
    Filed: April 11, 2012
    Publication date: November 22, 2012
    Applicant: SAMSUNG MOBILE DISPLAY CO., LTD.
    Inventors: Sang-Hoon Yim, Ok-Keun Song, Young-Mo Koo