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).

  • Publication number: 20120268004
    Abstract: Organic electroluminescent display (OELD) devices and method of fabricating them, make use of a printed circuit board as a deposition substrate. The OELD device includes a printed circuit board including a first region provided with at least one first through hole and a second region provided with at least one second through hole, the second region surrounding the first region, a second through electrode disposed in the second through hole, a first electrode including a first through electrode and a first conductive layer, the first through electrode being disposed in the first through hole, and the first conductive layer being disposed on the first through electrode and the printed circuit board, and being spaced apart from the second through electrode, an organic electroluminescent layer disposed on the first electrode, and a second electrode disposed on the organic electroluminescent layer and connected to the second through electrode.
    Type: Application
    Filed: April 17, 2012
    Publication date: October 25, 2012
    Applicant: Samsung Mobile Display Co., Ltd.
    Inventors: Sung-Jin Choi, Ok-Keun Song, Young-Mo Koo, Doohwan Kim
  • Publication number: 20120268001
    Abstract: An organic light-emitting display device including a substrate, a first electrode formed on the substrate, a second electrode formed on the substrate separate from the first electrode, and an emissive layer interposed between the first electrode and the second electrode, wherein an auxiliary electrode is formed on the first electrode and is electrically connected to the first electrode, and the auxiliary electrode is covered by an insulating layer.
    Type: Application
    Filed: March 29, 2012
    Publication date: October 25, 2012
    Inventors: Min-Woo Lee, Young-Mo Koo, Yong-Han Lee, Il-Hwa Hong
  • Publication number: 20120261713
    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: Application
    Filed: October 12, 2011
    Publication date: October 18, 2012
    Applicant: Samsung Mobile Display Co., Ltd.
    Inventors: Young-Mo Koo, Ok-Keun Song, Hyuk-Sang Jun, Yong-Han Lee, Jae-Goo Lee
  • Publication number: 20120261710
    Abstract: An organic light emitting diode (OLED) lighting apparatus includes a light emitting panel including an organic light emitting diode, a housing for housing the light emitting panel, a cover coupled to the housing and covering a front-side edge of the light emitting panel, a plurality of pins disposed between the housing and the light emitting panel and supporting an edge of the light emitting panel, and at least one contact bar disposed between the plurality of pins and a back-side edge of the light emitting panel.
    Type: Application
    Filed: March 26, 2012
    Publication date: October 18, 2012
    Applicant: SAMSUNG MOBILE DISPLAY CO., LTD.
    Inventors: Jae-Goo Lee, Doo-Hwan Kim, Min-Woo Lee, Sung-Jin Choi, Young-Mo Koo
  • Patent number: 8247808
    Abstract: An organic light emitting lighting device that includes a transparent substrate, a first electrode layer formed on the substrate, an organic emission layer formed on the first electrode layer, a second electrode line formed of a plurality of second electrode lines disposed in parallel with each other on the organic emission layer, a first fuse unit having one end connected with the first electrode layer, and a plurality of second fuses having one end respectively connected to one end of the plurality of second electrode lines.
    Type: Grant
    Filed: September 9, 2010
    Date of Patent: August 21, 2012
    Assignee: Samsung Mobile Display Co., Ltd.
    Inventors: Sung-Jin Choi, Ok-Keun Song, Young-Mo Koo, Doo-Hwan Kim, Min-Woo Lee, Jae-Goo Lee
  • Publication number: 20120119192
    Abstract: An organic light-emitting device includes a substrate; a first electrode disposed on the substrate; a hole transport layer disposed on the first electrode; an emitting layer disposed on the hole transport layer; and a second electrode disposed on the emitting layer, wherein an organic layer is interposed between the first electrode and the hole transport layer, the organic layer including at least one fluorine-containing compound selected from the group consisting of a fluorine-substituted phthalocyanine derivative, an aliphatic fluorocarbon compound represented by CxF(2x+2), CxF(2x?2), or CxF2x, where x is an integer of 1 to 500, an aromatic fluorocarbon compound represented by C6yF6y?2n, where y is an integer of 1 to 80, n is an integer of 0 to 80, and 6y?2n is a positive integer, and fluorinated fullerene. The organic light-emitting device can show high efficiency, a low driving voltage, high brightness, and a long lifetime.
    Type: Application
    Filed: January 27, 2012
    Publication date: May 17, 2012
    Applicant: SAMSUNG MOBILE DISPLAY CO., LTD.
    Inventors: Tae-Shick KIM, Ok-Keun SONG, Hye-In JEONG, Young-Mo KOO, Hyuk-Sang JUN
  • Patent number: 8154197
    Abstract: Provided is an organic light emitting diode display device which can improve brightness and color coordinate characteristics in all emission wavelength ranges, and thus can enhance light extraction efficiency and color reproducibility. The organic light emitting diode display device includes a substrate, a first electrode disposed on the substrate, an organic layer disposed on the first electrode and having an emission layer, a second electrode disposed on the organic layer, and first and second refraction layers. A stack of the first and second refraction layers is disposed either between the first electrode and the substrate or on the second electrode. A refractive index of the first refraction layer is smaller than a refractive index of the second refraction layer. A thickness of the first refraction layer is no greater than 100 nm.
    Type: Grant
    Filed: June 3, 2009
    Date of Patent: April 10, 2012
    Assignee: Samsung Mobile Display Co., Ltd.
    Inventors: Hyuk-Sang Jun, Ok-Keun Song, Hye-In Jeong, Young-Mo Koo
  • Publication number: 20110272729
    Abstract: A wafer level LED interposer and its manufacturing method is provided. The wafer level LED interposer includes: a LED chip of which N-type electrode and p-type electrode are formed on the upper side; an interposer substrate formed with through vias at each position corresponding to the N-type electrode and the p-type electrode and bonded to the upper side of the LED chip, wherein the N-type electrode and p-type electrode are connected to each through via; a redistribution layer formed on the upper surface of the interposer substrate and electrically connected to the through vias; a solder resist layer coated on the upper surface of the interposer substrate for a part of the redistribution layer selectively to be opened; and an external connector formed at the position where the redistribution layer is opened.
    Type: Application
    Filed: May 2, 2011
    Publication date: November 10, 2011
    Applicant: EPWORKS CO., LTD.
    Inventors: Gu-Sung Kim, Jae-June Kim, Young-Mo Koo
  • Patent number: 8040055
    Abstract: An organic light emitting diode (OLED) display device for displaying a white color using a first color and a second color that are complementary to each other. The OLED display device includes a substrate, a lower electrode on the substrate in a first direction, a first organic layer on a first region of the lower electrode and having a first EML for displaying a first color, a second organic layer on a second region of the lower electrode and having a second EML for displaying a second color that is complementary to the first color, and an upper electrode disposed on the first and second organic layers in a second direction crossing the first direction, wherein the first organic layer has a different thickness from the second organic layer. In addition, a thin film transistor (TFT) may disposed between the substrate and the lower electrode.
    Type: Grant
    Filed: April 21, 2009
    Date of Patent: October 18, 2011
    Assignee: Samsung Mobile Display Co., Ltd.
    Inventors: Young-Mo Koo, Oh-Keun Song, Hye-In Jeong, Hyuk-Sang Jun, Tae-Shick Kim, Seon-Hee Kim
  • Patent number: 7982398
    Abstract: A backlight unit for a liquid crystal display device (LCD), and an LCD including the same are disclosed. One embodiment of the backlight unit includes an organic light emitting element in which the efficiency of light extraction is improved without decreasing productivity to achieve high brightness and a low consumption power. The backlight unit includes a substrate, an organic light emitting element formed on the substrate, and an encapsulating member attached to the substrate to enclose the organic light emitting element. The backlight unit further includes a scattering film on one of surfaces of the substrate, the organic light emitting element and the encapsulating member to prevent light emitting from the organic light emitting element from being totally reflected.
    Type: Grant
    Filed: April 4, 2007
    Date of Patent: July 19, 2011
    Assignee: Samsung Mobile Display Co., Ltd.
    Inventors: Young-Mo Koo, Doo-Hwan Kim, Hyuk-Sang Jun, Tae-Shick Kim, Hye-In Jeong, Ok-Keun Song
  • Publication number: 20110156084
    Abstract: An organic light emitting diode lighting apparatus is disclosed. In one embodiment, the apparatus includes: i) a substrate main body including a light emitting region and a sealing region surrounding the light emitting region, ii) an organic light emitting diode formed over the substrate main body and iii) a sealant formed over the sealing region of the substrate main body, wherein the sealant includes a conductive member electrically connected to the organic light emitting diode. The apparatus may further include a printed circuit board bonded to the substrate main body by the sealant to seal and cover the organic light emitting diode, wherein the printed circuit board includes external input terminals which directly contact the conductive member.
    Type: Application
    Filed: September 30, 2010
    Publication date: June 30, 2011
    Applicant: Samsung Mobile Display Co., Ltd.
    Inventors: Sung-Jin Choi, Ok-Keun Song, Young-Mo Koo
  • Publication number: 20110127556
    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: Application
    Filed: September 17, 2010
    Publication date: June 2, 2011
    Applicant: SAMSUNG MOBILE DISPLAY CO., LTD.
    Inventors: Min-Woo LEE, Ok-Keun SONG, Young-Mo KOO, Jae-Goo LEE, Sung-Jin CHOI
  • Publication number: 20110121342
    Abstract: An organic light emitting diode lighting apparatus includes: a substrate; a semi-transmissive resonance layer formed on the substrate and including multilayer films having different refractive indexes; a first electrode formed on the semi-transmissive resonance layer; a first emission layer formed on the first electrode; a second emission layer formed on the first emission layer and emitting light of a different color from that emitted by the first emission layer; and a second electrode formed on the second emission layer.
    Type: Application
    Filed: November 24, 2010
    Publication date: May 26, 2011
    Applicant: SAMSUNG MOBILE DISPLAY CO., LTD.
    Inventors: Hyuk-Sang JUN, Ok-Keun SONG, Young-Mo KOO, Il-Hwa HONG, Jung-Ha LEE
  • Publication number: 20110068688
    Abstract: An organic light emitting lighting device that includes a transparent substrate, a first electrode layer formed on the substrate, an organic emission layer formed on the first electrode layer, a second electrode line formed of a plurality of second electrode lines disposed in parallel with each other on the organic emission layer, a first fuse unit having one end connected with the first electrode layer, and a plurality of second fuses having one end respectively connected to one end of the plurality of second electrode lines.
    Type: Application
    Filed: September 9, 2010
    Publication date: March 24, 2011
    Applicant: SAMSUNG MOBILE DISPLAY CO., LTD.
    Inventors: Sung-Jin CHOI, Ok-Keun SONG, Young-Mo KOO, Doo-Hwan KIM, Min-Woo LEE, Jae-Goo LEE
  • Publication number: 20110049493
    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: Application
    Filed: August 25, 2010
    Publication date: March 3, 2011
    Applicant: SAMSUNG MOBILE DISPLAY CO., LTD.
    Inventors: Hyuk-Sang Jun, Ok-Keun Song, Young-Mo Koo, Jung-Ha Lee, Il-Hwa Hong
  • Patent number: 7839076
    Abstract: An organic electroluminescent device comprising an organic layer is provided. The organic layer is an electron transport layer comprising an electron transport material and a blue emission material. This electron transport layer causes an increase in the blue emission efficiency and lifespan of the organic electroluminescent device while improving efficiency in red and green ranges, a driving voltage, a color coordinate, and the lifespan of the organic electroluminescent device are not changed.
    Type: Grant
    Filed: July 28, 2005
    Date of Patent: November 23, 2010
    Assignee: Samsung Mobile Display Co., Ltd.
    Inventors: Hye-In Jeong, Ok-Keun Song, Young-Mo Koo, Yong-Han Lee
  • Patent number: 7811680
    Abstract: An organic electroluminescent device is disclosed that includes an emission layer between a first electrode and a second electrode, and a buffer layer between the emission layer and the first electrode. The buffer layer includes a carbon-based compound and may be about 0.1 nm to about 100 nm thick. The organic electroluminescent device has greater driving voltage, better efficiency, and a longer life expectancy.
    Type: Grant
    Filed: October 11, 2005
    Date of Patent: October 12, 2010
    Assignee: Samsung Mobile Display Co., Ltd.
    Inventors: Tae-Shick Kim, Hye-In Jeong, Young-Mo Koo, Ok-Keun Song, Jun-Yeob Lee, Min-Seung Chun, Mi-Kyung Kim
  • Publication number: 20090302313
    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: June 4, 2009
    Publication date: December 10, 2009
    Applicant: Samsung Mobile Display Co., Ltd.
    Inventors: Sung-Jin Choi, Ok-Keun Song, Hye-In Jeong, Young-Mo Koo, Min-Woo Lee
  • Publication number: 20090302750
    Abstract: Provided is an organic light emitting diode display device which can improve brightness and color coordinate characteristics in all emission wavelength ranges, and thus can enhance light extraction efficiency and color reproducibility. The organic light emitting diode display device includes a substrate, a first electrode disposed on the substrate, an organic layer disposed on the first electrode and having an emission layer, a second electrode disposed on the organic layer, and first and second refraction layers. A stack of the first and second refraction layers is disposed either between the first electrode and the substrate or on the second electrode. A refractive index of the first refraction layer is smaller than a refractive index of the second refraction layer. A thickness of the first refraction layer is no greater than 100 nm.
    Type: Application
    Filed: June 3, 2009
    Publication date: December 10, 2009
    Applicant: SAMSUNG MOBILE DISPLAY CO., LTD.
    Inventors: HYUK-SANG JUN, OK-KEUN SONG, HYE-IN JEONG, YOUNG-MO KOO
  • Publication number: 20090261722
    Abstract: An organic light emitting diode (OLED) display device for displaying a white color using a first color and a second color that are complementary to each other. The OLED display device includes a substrate, a lower electrode on the substrate in a first direction, a first organic layer on a first region of the lower electrode and having a first EML for displaying a first color, a second organic layer on a second region of the lower electrode and having a second EML for displaying a second color that is complementary to the first color, and an upper electrode disposed on the first and second organic layers in a second direction crossing the first direction, wherein the first organic layer has a different thickness from the second organic layer. In addition, a thin film transistor (TFT) may disposed between the substrate and the lower electrode.
    Type: Application
    Filed: April 21, 2009
    Publication date: October 22, 2009
    Inventors: Young-Mo Koo, Ok-Keun Song, Hye-In Jeong, Hyuk-Sang Jun, Tae-Shick Kim, Seon-Hee Kim