Patents by Inventor Jae-Heung Ha

Jae-Heung Ha 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: 20120033152
    Abstract: A thin film transistor, a method of manufacturing the thin film transistor, and a flat panel display device including the thin film transistor. The thin film transistor includes: a gate electrode formed on a substrate; a gate insulating film formed on the gate electrode; an activation layer formed on the gate insulating film; a passivation layer including a compound semiconductor oxide, formed on the activation layer; and source and drain electrodes that contact the activation layer.
    Type: Application
    Filed: October 19, 2011
    Publication date: February 9, 2012
    Applicant: SAMSUNG MOBILE DISPLAY CO., LTD.
    Inventors: Jae-Heung HA, Young-Woo SONG, Jong-Hyuk LEE, Jong-Han JEONG, Min-Kyu KIM, Yeon-Gon MO, Jae-Kyeong JEONG, Hyun-Joong CHUNG, Kwang-Suk KIM, Hui-Won YANG, Chaun-Gi CHOI
  • Publication number: 20120001184
    Abstract: A transparent organic light-emitting display device has an improved transmittance and a reduced voltage drop in an opposite electrode. The organic light-emitting display device includes: a first substrate having a transmitting region and a plurality of pixel regions separated from each other by the transmitting region interposed between the pixel regions; a plurality of pixel electrodes being located at the pixel regions, respectively; an opposite electrode facing the pixel electrodes and being at the transmitting region and the pixel regions; a second substrate facing the opposite electrode and being bonded to the first substrate; a first conductive unit being between the second substrate and the opposite electrode, opposite ends of the first conductive unit contacting the second substrate and the opposite electrode, respectively; and a second conductive unit facing the first conductive unit and contacting the opposite electrode that is between the first conductive unit and the second conductive unit.
    Type: Application
    Filed: June 21, 2011
    Publication date: January 5, 2012
    Inventors: Jae-Heung Ha, Kyu-Hwan Hwang, Seok-Gyu Yoon, Young-Woo Song, Jong-Hyuk Lee, Keum-Nam Kim, Young-In Hwang
  • Patent number: 8067770
    Abstract: A thin film transistor includes a channel layer including an amorphous 12CaO.7Al2O3 (C12A7) and a flat panel display device including the same. According to the present invention, the amorphous channel layer can be formed at a low temperature using C12A7. The thin film transistor including the amorphous channel layer has excellent electron mobility.
    Type: Grant
    Filed: July 31, 2008
    Date of Patent: November 29, 2011
    Assignee: Samsung Mobile Display Co., Ltd.
    Inventors: Jae-Heung Ha, Young-Woo Song, Jong-Hyuk Lee, Yong-Tak Kim
  • Publication number: 20110273409
    Abstract: An organic light emitting diode display is disclosed. The display includes some pixel areas which are opaque and some pixel areas which are partially opaque and partially transparent. Selectively displaying the light emission of the pixel areas allows for control of the relative brightness of a displayed image and an object behind the display.
    Type: Application
    Filed: April 12, 2011
    Publication date: November 10, 2011
    Applicant: Samsung Mobile Display Co., Ltd.
    Inventors: Chang-Ho Lee, Hee-Joo Ko, Il-Soo Oh, Se-Jin Cho, Jin-Young Yun, Hyung-Jun Song, Young-Woo Song, Kyu-Hwan Hwang, Seok-Gyu Yoon, Jae-Heung Ha, Jong-Hyuk Lee
  • Publication number: 20110241014
    Abstract: An organic light emitting display device includes a substrate having transmitting and pixel regions, the pixel regions being separated by the transmitting regions, at least one thin film transistor in each of the pixel regions, a plurality of transparent first conductive lines electrically connected to the thin film transistors and extending across the transmitting regions, a plurality of second conductive lines electrically connected to the thin film transistors and extending across the transmitting regions, a passivation layer, a plurality of pixel electrodes on the passivation layer, the pixel electrodes being separated and positioned to correspond to respective pixel regions, each of the pixel electrodes being electrically connected to and overlapping a corresponding thin film transistor, an opposite electrode overlapping the pixel electrodes in the transmitting and pixel regions, and an organic emission layer between the pixel electrodes and the opposite electrode.
    Type: Application
    Filed: April 1, 2011
    Publication date: October 6, 2011
    Inventors: Seok-Gyu Yoon, Jae-Heung Ha, Jong-Hyuk Lee, Young-Woo Song, Kyu-Hwan Hwang
  • Publication number: 20110220900
    Abstract: An organic light-emitting display apparatus includes a substrate, a plurality of pixel electrodes formed on the substrate, a counter electrode formed to cover all of the plurality of pixel electrodes, organic light emitting layers disposed between the plurality of pixel electrodes and the counter electrode, an encapsulation substrate disposed above the substrate to cover the counter electrode, a sealant formed along edges of the substrate and the encapsulation substrate to seal a space formed between the substrate and the encapsulation substrate, a filler filled in the space formed between the substrate and the encapsulation substrate, and bus electrodes disposed on an inner surface of the encapsulation substrate facing the counter electrode. Each of the bus electrodes includes projecting portions and a base portion connecting the projecting portions to each other.
    Type: Application
    Filed: March 10, 2011
    Publication date: September 15, 2011
    Applicant: SAMSUNG MOBILE DISPLAY CO., LTD.
    Inventors: Jae-Heung Ha, Kyu-Hwan Hwang, Seok-Gyu Yoon, Young-Woo Song, Jong-Hyuk Lee
  • Publication number: 20110220901
    Abstract: An organic light-emitting display device includes a first substrate having transmitting regions and pixel regions separated from each other by the transmitting regions, a plurality of thin film transistors on the first substrate in the pixel regions, a passivation layer covering the plurality of thin film transistors, a plurality of pixel electrodes on the passivation layer and electrically connected to the thin film transistors, the pixel electrodes being in the pixel regions and overlapping the thin film transistors, an opposite electrode in the transmitting regions and the pixel regions, the opposite electrode facing the plurality of pixel electrodes and being configured to transmit light, an organic emission layer interposed between the pixel electrodes and the opposite electrode, and a color filter in corresponding pixel regions.
    Type: Application
    Filed: March 7, 2011
    Publication date: September 15, 2011
    Inventors: Jae-Heung Ha, Kyu-Hwan Hwang, Seok-Gyu Yoon, Young-Woo Song, Jong-Hyuk Lee
  • Publication number: 20110221661
    Abstract: An organic light-emitting display device includes a substrate, the substrate having a plurality of transmitting regions, a plurality of thin film transistors, a plurality of conductive lines, a passivation layer, a plurality of pixel electrodes on the passivation layer, an opposite electrode facing the plurality of pixel electrodes, an organic layer disposed among the plurality of pixel electrodes and the opposite electrode, and a plurality of masking films disposed in the plurality of transmitting regions.
    Type: Application
    Filed: March 8, 2011
    Publication date: September 15, 2011
    Inventors: Seok-Gyu Yoon, Kyu-Hwan Hwang, Jae-Heung Ha, Young-Woo Song, Jong-Hyuk Lee
  • Publication number: 20110204369
    Abstract: An organic light-emitting display device which is transparent by improving a transmittance in transmitting regions and which reduces a voltage drop in an opposite electrode comprises: a substrate having a transmitting region and pixel regions separated from each other by the transmitting region; thin film transistors positioned on the substrate and disposed in the pixel regions, respectively; a passivation layer covering the thin film transistors, formed in the transmitting region and the pixel regions, and having a first opening formed in a location corresponding to at least a portion of the transmitting region; pixel electrodes formed on the passivation layer so as to be electrically connected to the thin film transistors, respectively, located in the pixel regions, and disposed so as to overlap and cover the thin film transistors, respectively; an opposite electrode facing the pixel electrodes, formed so as to be able to transmit light, and located in the transmitting region and the pixel regions; an organ
    Type: Application
    Filed: February 14, 2011
    Publication date: August 25, 2011
    Applicant: SAMSUNG MOBILE DISPLAY CO., LTD.
    Inventors: Jae-Heung Ha, Kyu-Hwan Hwang, Seok-Gyu Yoon, Young-Woo Song, Jong-Hyuk Lee, Jun-Ho Choi, Jin-Koo Chung
  • Publication number: 20110186846
    Abstract: A transparent organic light emitting display device having improved transmittance comprises: a first substrate having a transmitting region and a plurality of pixel regions separated from each other by the transmitting region; thin film transistors positioned on a first surface of the first substrate and disposed in the pixel regions of the substrate; a passivation layer covering the thin film transistors; a plurality of pixel electrodes, formed on the passivation layer so as to be electrically connected to the thin film transistors, located in the pixel regions, and overlapping and covering the thin film transistors; an opposite electrode facing the pixel electrodes, formed to be able to transmit light, and located in the transmitting region and the pixel regions; an organic emission layer interposed between the pixel electrode and the opposite electrode to emit light; a second substrate facing the opposite electrode and bonded to the first substrate; and a conduction unit interposed between the second subst
    Type: Application
    Filed: January 27, 2011
    Publication date: August 4, 2011
    Applicant: SAMSUNG MOBILE DISPLAY CO., LTD.
    Inventors: Jae-Heung Ha, Kyu-Hwan Hwang, Young-Woo Song, Seok-Gyu Yoon, Jong-Hyuk Lee, Yoon-Hyeung Cho
  • Publication number: 20110175097
    Abstract: A transparent organic light emitting display device having an improved transmittance, in which transmittance of external light is increased, the organic light emitting display device including: a substrate having transmitting regions interposed between pixel regions; thin film transistors positioned on a first surface of the substrate and respectively disposed in the pixel regions of the substrate; a passivation layer covering thin film transistors; pixel electrodes formed on the passivation layer and respectively electrically connected to the thin film transistors, the pixel electrodes are respectively located in an area corresponding to the pixel regions, and are disposed to respectively overlap and cover the thin film transistors; an opposite electrode facing the pixel electrodes and formed to be able to transmit light, the opposite electrode is located in the transmitting regions and the pixel regions and includes a first opening formed on a location corresponding to at least a portion of respective ones
    Type: Application
    Filed: January 20, 2011
    Publication date: July 21, 2011
    Applicant: Samsung Mobile Display Co., Ltd.
    Inventors: Young-Woo SONG, Jong-Hyuk Lee, Chaun-Gi Choi, Kyu-Hwan Hwang, Seok-Gyu Yoon, Jae-Heung Ha
  • Publication number: 20110169720
    Abstract: An organic light emitting display device that can prevent distortion of an image transmitted therethrough by preventing light scattering. The organic light emitting display device includes a substrate in which a plurality of transmitting regions and a plurality of pixel regions are defined. The plurality of pixel regions are spaced apart from each other by the transmitting regions. A passivation layer is formed in all the plurality of transmitting regions and the plurality of pixel regions. A first aperture is formed in a location on the passivation layer, which corresponds to an at least part of the plurality of transmitting regions; a plurality of pixel electrodes that are formed on the passivation layer and are disposed to overlap and cover the thin film transistors. An opposite electrode formed to face the plurality of pixel electrodes and to allow light to pass therethrough. An organic emission layer is interposed between the plurality of pixel electrodes and the opposite electrode to emit light.
    Type: Application
    Filed: December 29, 2010
    Publication date: July 14, 2011
    Applicant: SAMSUNG MOBILE DISPLAY CO., LTD.
    Inventors: Kyu-Hwan HWANG, Seok-Gyu YOON, Jae-Heung HA, Young-Woo SONG, Jong-Hyuk LEE
  • Publication number: 20110147770
    Abstract: An organic light emitting diode display includes: a substrate main body having a plurality of pixel regions, each including an opaque region and a transparent region; and organic light emitting diodes, thin film transistors, and conductive lines that are formed in the opaque region of the substrate main body. The transparent region includes a transparent square space that has an area that is at least 15% of the entire area of the pixel region.
    Type: Application
    Filed: December 8, 2010
    Publication date: June 23, 2011
    Applicant: Samsung Mobile Display Co., Ltd.
    Inventors: Kyu-Hwan HWANG, Seok-Gyu Yoon, Jae-Heung Ha, Young-Woo Song, Jong-Hyuk Lee, Chaun-Gi Choi, Sang-Moo Choi, Keum-Nam Kim, Gun-Shik Kim
  • Publication number: 20110133633
    Abstract: An organic light emitting diode device including a first electrode; a second electrode facing the first electrode; and an emitting layer interposed between the first electrode and the second electrode, wherein the first electrode includes an ytterbium (Yb) alloy represented by the following Chemical Formula 1: Yb-M??(1), and in Chemical Formula 1, M is a metal including at least one of silver (Ag), calcium (Ca), chromium (Cr), iron (Fe), cobalt (Co), nickel (Ni), copper (Cu), molybdenum (Mo), ruthenium (Ru), indium (In), and tungsten (W).
    Type: Application
    Filed: December 6, 2010
    Publication date: June 9, 2011
    Inventors: Seok-Gyu Yoon, Young-Woo Song, Kyu-Hwan Hwang, Jae-Heung Ha, Jong-Hyuk Lee, Won-Jong Kim, Yong-Tak Kim, Chang-Ho Lee, Il-Soo Oh, Hyung-Jun Song, Hee-Joo Ko
  • Patent number: 7947973
    Abstract: An organic light-emitting device, including a substrate, an organic light-emitting element on the substrate, a sealing member on the organic light-emitting element, a ¼ wavelength layer on one surface of the substrate, the organic light-emitting element, or the sealing member, and a linear polarization layer on one surface of the substrate, the organic light-emitting element, the sealing member, or the ¼ wavelength layer, the linear polarization layer being closer to an image display surface than the ¼ wavelength layer.
    Type: Grant
    Filed: March 30, 2007
    Date of Patent: May 24, 2011
    Assignee: Samsung Mobile Display Co., Ltd.
    Inventors: Young-Woo Song, Jong-Hyuk Lee, Won-Jong Kim, Yoon-Hyeung Cho, Joon-Gu Lee, Jae-Heung Ha
  • Patent number: 7911136
    Abstract: A polarizer and an organic light emitting display apparatus including the polarizer. According to an embodiment of the present invention, a polarizer includes a substrate and a plurality of electrode units separated from each other on the substrate and formed in a stripe pattern. Each of the electrode units includes a first surface facing the substrate and a second surface opposite the first surface, the first surface having a width smaller than a width of the second surface.
    Type: Grant
    Filed: February 24, 2010
    Date of Patent: March 22, 2011
    Assignee: Samsung Mobile Display Co., Ltd.
    Inventors: Joon-Gu Lee, Young-Woo Song, Kyu-Hwan Hwang, Jong-Seok Oh, Jae-Heung Ha, Chul-Woo Park, Jong-Hyuk Lee
  • Patent number: 7898167
    Abstract: An electroluminescence (EL) display device with improved external light coupling efficiency and brightness that may be easily manufactured. The EL display device includes: a substrate; a first electrode arranged above the substrate; a second electrode arranged above and substantially parallel to the first electrode; an intermediate layer arranged between the first and second electrodes, and including an emissive layer; a color converting layer arranged between the substrate and the first electrode or above the second electrode; and a light resonance controlling layer arranged between the emissive layer and the color converting layer.
    Type: Grant
    Filed: December 12, 2005
    Date of Patent: March 1, 2011
    Assignee: Samsung Mobile Display Co., Ltd.
    Inventors: Young-Woo Song, Yoon-Chang Kim, Sang-Hwan Cho, Ji-Hoon Ahn, Joon-Gu Lee, So-Young Lee, Jong-Seok Oh, Jae-Heung Ha
  • Patent number: 7868527
    Abstract: A polarizer adapted to improve contrast and visibility of a display device, a method of manufacturing the polarizer, and a flat panel display device including the polarizer. In one embodiment, the polarizer includes a base and a plurality of grids disposed in a stripe pattern on the base. Here, the grids are separated from each other and formed of metal-containing graphite.
    Type: Grant
    Filed: April 25, 2007
    Date of Patent: January 11, 2011
    Assignee: Samsung Mobile Display Co., Ltd.
    Inventors: Won-Jong Kim, Yong-Tak Kim, Jin-Baek Choi, Jong-Hyuk Lee, Jae-Heung Ha, Yoon-Hyeung Cho, Byoung-Duk Lee, Sun-Young Lee, So-Young Lee, Min-Ho Oh
  • Patent number: 7772768
    Abstract: A polarizer and a flat panel display apparatus including the polarizer are provided. The polarizer includes: a base; and a plurality of grids on the base, the plurality of grids including a first component and a second component, and having a thickness in a thickness direction of the polarizer. The first component includes a dielectric material and the second component includes a metal. The first component and the second component have a concentration gradient in the thickness direction, wherein a concentration of the first component in the grids increases along a thickness direction toward the external light incidence side, and a concentration of the second component in the grids increases along a thickness direction away from the external light incidence side.
    Type: Grant
    Filed: August 10, 2007
    Date of Patent: August 10, 2010
    Assignee: Samsung Mobile Display Co., Ltd.
    Inventors: Jong-Seok Oh, Jong-Hyuk Lee, Young-Woo Song, Kyu-Hwan Hwang, Joon-Gu Lee, Jae-Heung Ha, Chul-Woo Park
  • Publication number: 20100176388
    Abstract: A thin film transistor which has a compound semiconductor including oxygen as an activation layer, a method of manufacturing the thin film transistor, and a flat panel display device having the thin film transistor, of which the thin film transistor comprises: a gate electrode formed on a substrate; an activation layer formed on the gate electrode, insulated from the gate electrode by a gate insulating film, and formed of a compound semiconductor including oxygen; a passivation layer formed on the activation layer; and source and drain electrodes formed to contact the activation layer, wherein the passivation layer includes titanium oxide (TiOx) or titanium oxynitride (TiOxNy).
    Type: Application
    Filed: January 11, 2010
    Publication date: July 15, 2010
    Applicant: Samsung Mobile Display Co., Ltd.
    Inventors: Jae-Heung Ha, Jong-Hyuk Lee, Young-Woo Song, Chaungi Choi