Patents Examined by Anthony T. Perry
  • Patent number: 7988515
    Abstract: A method for manufacturing a field emission electron source includes: providing a CNT array; drawing a bundle of CNTs from the CNT array to form a CNT yarn; soaking the CNT yarn into an organic solvent, and shrinking the CNT yarn into a CNT string after the organic solvent volatilizing; applying a voltage between two opposite ends of the CNT string, until the CNT string snapping at a certain point; and attaching the snapped CNT string to a conductive base, and achieving a field emission electron source. The field emission efficiency of the field emission electron source is high.
    Type: Grant
    Filed: December 29, 2007
    Date of Patent: August 2, 2011
    Assignees: Tsinghua University, Hon Hai Precision Industry Co., Ltd.
    Inventors: Yang Wei, Liang Liu, Shou-Shan Fan
  • Patent number: 7988514
    Abstract: A method of varying a transmittance of a transparent conductive film includes forming the transparent conductive film on a substrate and injecting a high energy source into the transparent conductive film to vary the transmittance of the transparent conductive film.
    Type: Grant
    Filed: February 17, 2009
    Date of Patent: August 2, 2011
    Assignee: Samsung Mobile Display Co., Ltd.
    Inventors: Sang-Il Park, Chang-Soo Kim
  • Patent number: 7986088
    Abstract: A fluorescence conversion medium comprising, a fluorescent fine particle formed of an inorganic nanocrystal which absorbs visible and/or near ultraviolet light and emits visible fluorescence, and a transparent medium which disperses the fluorescent fine particle therein, an absorbance at a wavelength where the fluorescent intensity is maximized being in the range of 0.1 to 1.
    Type: Grant
    Filed: March 14, 2007
    Date of Patent: July 26, 2011
    Assignees: Idemitsu Kosan Co., Ltd., Sony Corporation
    Inventors: Takashi Sekiya, Jiro Yamada
  • Patent number: 7982392
    Abstract: To provide an organic electroluminescent display device promoting a color purity of emitted light and promoting a contrast in a top emission type organic electroluminescent display device, there is constructed a constitution including a plurality of pixel electrodes CD arranged at a main face of an insulating substrate SUB, a plurality of organic electroluminescent layers OLE having a multi-layer structure respectively arranged above the plurality of pixel electrodes CD, a light transmitting opposed electrode AD arranged above the organic electroluminescent layer OLE, and a bank BMP arranged between respectives of the plurality of organic electroluminescent layers OLE and including an auxiliary electrode SD in a strip-like shape above the opposed electrode AD.
    Type: Grant
    Filed: October 23, 2007
    Date of Patent: July 19, 2011
    Assignee: Hitachi Displays, Ltd.
    Inventor: Masato Ito
  • Patent number: 7977860
    Abstract: An organic light-emitting display device and a method of fabricating the same. The organic light-emitting display device includes: a substrate; a first electrode including a first metal layer disposed on the substrate and formed of titanium (Ti), aluminum (Al), a titanium or aluminum alloy, a second metal layer disposed on the first metal layer, and a transparent conductive layer disposed on the second metal layer; an organic layer disposed on the first electrode and including at least one organic emission layer; and a second electrode disposed on the organic layer. The method includes: forming a first electrode including a first metal layer formed of Ti, Al, or a titanium or aluminum alloy, a second metal layer, and a transparent conductive layer, on a substrate; forming an organic layer including at least one organic emission layer on the first electrode; and forming a second electrode on the organic layer.
    Type: Grant
    Filed: November 1, 2006
    Date of Patent: July 12, 2011
    Assignee: Samsung Mobile Display Co., Ltd.
    Inventors: Hyun-Eok Shin, Min-Ki Kim
  • Patent number: 7928651
    Abstract: An organic electro luminescence device is provided. First and second substrates are arranged to face each other. A thin film transistor (TFT) is formed on the first substrate in each sub-pixel. A first electrode is formed on the first substrate and connected to the TFT. An organic electro luminescent layer and a second electrode are formed on the first electrode. A black matrix is disposed below the first electrode.
    Type: Grant
    Filed: June 30, 2005
    Date of Patent: April 19, 2011
    Assignee: LG Display Co., Ltd.
    Inventors: Chang Wook Han, Jae Yong Park, Hee Suk Pang
  • Patent number: 7915820
    Abstract: An exemplary embodiment of a display device includes a substrate, a transistor disposed on the substrate, a passivation layer which substantially covers the transistor, an organic layer disposed on the passivation layer which generates light to an outside, and a light efficiency improving layer including a first inorganic layer and a second inorganic layer which are sequentially disposed between the organic layer and the outside.
    Type: Grant
    Filed: March 21, 2007
    Date of Patent: March 29, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sang-Pil Lee, Un-cheol Sung, Hoon Kim
  • Patent number: 7892063
    Abstract: A method of manufacturing a tubular carbon molecule capable of regularly aligning a carbon nanotube with a finer spacing is provided. A catalyst is arranged on a material substrate (10) made of a semiconductor such as silicon (Si) and including iron (Fe) as a catalyst through the use of melting according to a modulated heat distribution (11). The heat distribution (11) is formed, for example, through diffracting an energy beam (12) by a diffraction grating (13). As a method of arranging the catalyst, for example, iron may be deposited in a planar shape or a projection shape in a position corresponding to the heat distribution (11), or the deposited iron may be used as a master to be transferred to another substrate. A carbon nanotube is grown through the use of the arranged catalyst. The grown carbon nanotube can be used as a recording apparatus, a field electron emission device, an FED or the like.
    Type: Grant
    Filed: January 14, 2009
    Date of Patent: February 22, 2011
    Assignee: Sony Corporation
    Inventors: Dharam Pal Gosain, Hisashi Kajiura, Ryuichiro Maruyama, Masashi Shiraishi, Houjin Huang, Koji Kadono, Shigeaki Wachi, Masafumi Ata
  • Patent number: 7888871
    Abstract: Compact fluorescent lamp having a known base (1), a central hollow column (2), attached to the base (1), and the outer surface of which has a heat- and light-reflecting coating; a cap (3) closing the hollow column (2); and one or more light-radiating members (4) secured to the cap (3) and/or to the hollow column (2). The light-radiating members (4) start from the hollow column (2) and connect to electronic and electric elements and pass through the holes (3b) of the hollow column and/or the cap (3). The lamp further comprises a guide-ring (11) to support the light-radiating members (4) extending until or beyond the meeting boundary edge of the base (1) and the hollow column (2). The hollow column (2), the base (1), the cap (3) and the guide ring (11) are encompassed with the light-radiating members (4) extending in at least a direction parallel with the longitudinal axis of the lamp towards the base (1) and back and the light-radiating members (4) have curved sections (4a).
    Type: Grant
    Filed: October 26, 2005
    Date of Patent: February 15, 2011
    Assignee: Skirtlight S.A.
    Inventor: János István Luczenbacher
  • Patent number: 7884546
    Abstract: An electrodeless discharge lamp apparatus is provided which is increased in heat dissipation, making it possible to adapt to an increase in output of the apparatus. The electrodeless discharge lamp apparatus comprises a bulb containing a discharge gas and a coupler accommodated in a cavity formed in the bulb for generating a high frequency electromagnetic field. The coupler has: an induction coil; a core inserted into the coil; a heat conductor for conducting heat generated from the coil and the core; and a bobbin made of resin which accommodates the core and the heat conductor therein, and which has the coil wound therearound. The bobbin is designed to be separated in a radial direction of the coil, so that it is possible to separately mold the respective parts of the bobbin.
    Type: Grant
    Filed: September 28, 2005
    Date of Patent: February 8, 2011
    Assignees: Panasonic Electric Works Co., Ltd., Ikeda Electric Co., Ltd.
    Inventors: Hiroshi Ogasawara, Hiroshi Miyasaki, Hidenori Kakehashi, Keisuke Harada, Yoshinobu Shibata
  • Patent number: 7868529
    Abstract: The present invention discloses a magnetic light, having a magnetic energy generator, and a light body having at least a through slot for penetrating the energy generator, the magnetic energy generator includes a pair of detachable magnetic members jointed together with a face to face manner for defining a magnetic air gap between two magnetic members, as a result, the magnetic field center could be accurately positioned, wherein one of the magnetic members is adapted to penetrate the through slot to be coupled with the remaining magnetic member. In short, such magnetic light has a simpler structure, and solid cost saving, and more importantly prone to be manufactured with an industrial scale.
    Type: Grant
    Filed: December 20, 2005
    Date of Patent: January 11, 2011
    Inventor: Jin Li
  • Patent number: 7830090
    Abstract: A light emission device having an evaporating getter unit and a display device utilizing the light emission device as a light source. The light emission device includes a vacuum vessel having first and second substrates facing each other and a sealing member, the first and second substrates having an active area and a non-active area, an electron emission unit located on the first substrate at the active area, a light emission unit located on the second substrate at the active area, a getter unit provided between the first and second substrates at the non-active area, and a barrier disposed between the getter unit and the active area. The barrier blocks diffusion of getter material toward the active area during the getter activating process and prevents (or reduces) a slip or a movement of the getter unit.
    Type: Grant
    Filed: February 22, 2008
    Date of Patent: November 9, 2010
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Hyeong-Rae Seon, Dong-Su Chang, Jae-Young Lee
  • Patent number: 7828620
    Abstract: A method of manufacturing a tubular carbon molecule capable of regularly aligning a carbon nanotube with a finer spacing is provided. A catalyst is arranged on a material substrate (10) made of a semiconductor such as silicon (Si) and including iron (Fe) as a catalyst through the use of melting according to a modulated heat distribution (11). The heat distribution (11) is formed, for example, through diffracting an energy beam (12) by a diffraction grating (13). As a method of arranging the catalyst, for example, iron may be deposited in a planar shape or a projection shape in a position corresponding to the heat distribution (11), or the deposited iron may be used as a master to be transferred to another substrate. A carbon nanotube is grown through the use of the arranged catalyst. The grown carbon nanotube can be used as a recording apparatus, a field electron emission device, an FED or the like.
    Type: Grant
    Filed: January 8, 2004
    Date of Patent: November 9, 2010
    Assignee: Sony Corporation
    Inventors: Dharam Pal Gosain, Hisashi Kajiura, Ryuichiro Maruyama, Masashi Shiraishi, Houjin Huang, Koji Kadono, Shigeaki Wachi, Masafumi Ata
  • Patent number: 7825593
    Abstract: This invention relates to an organic electro-luminescence device and a method of fabricating the same that is capable of reducing an inverse taper of a bus electrode. An organic electro-luminescence display device comprises: an anode electrode including a transparent electrode and a bus electrode; a cathode electrode crossing the anode electrode; and an organic layer located at a cross both the anode electrode and the cathode electrode, wherein the bus electrode has an inclination angle of 30° to 70°.
    Type: Grant
    Filed: March 21, 2005
    Date of Patent: November 2, 2010
    Assignee: LG Electronics Inc.
    Inventors: Young Ro Jung, Jae Hyoung Ju
  • Patent number: 7815479
    Abstract: An organic light emitting diode (OLED) is capable of improving light efficiency per pixel unit by forming a cathode electrode to cover an anode electrode, thereby focusing light emitted from a luminescent layer per pixel unit. The OLED comprises: a second insulating film formed on a substrate including a TFT with source/drain electrodes formed on a first insulating film; a lower electrode formed on the second insulating film and connected to one of the source/drain electrodes; a third insulating film having an opening for exposing a portion of the lower electrode; a luminescent layer formed on the lower electrode inside the opening; a groove formed to surround the luminescent layer; and an upper electrode formed on the substrate including the groove so that the upper electrode surrounds the luminescent layer. The upper electrode functions as a reflection layer for reflecting total light while light emitted from the luminescent layer is being pulled out through the substrate.
    Type: Grant
    Filed: May 15, 2008
    Date of Patent: October 19, 2010
    Assignee: Samsung Mobile Display Co., Ltd.
    Inventors: Jae-Bon Koo, Jin-Woo Park
  • Patent number: 7795806
    Abstract: A display device comprising a thin metal-organic mixed layer (MOML) comprising a metal (containing material) and an organic material, and having a thickness of less than 175 nm. A thin metal-organic mixed layer may be of a single or multi-layer configuration. The percent reflectance of a device may be controlled by varying the thickness of the MOML(s) and the metal component and concentration thereof in the MOML(s).
    Type: Grant
    Filed: May 20, 2005
    Date of Patent: September 14, 2010
    Assignee: LG Display Co., Ltd.
    Inventors: Hany Aziz, Zoran D. Popovic, Nemanja Stefanovic, Jennifer A. Coggan
  • Patent number: 7777406
    Abstract: A passivation layer formed over and under a first pixel electrode is provided to prevent corrosion of the first pixel electrode of an organic light emitting diode (OLED) display device. The OLED display device includes: a substrate, a first passivation layer disposed on the substrate, a first pixel electrode disposed over the first passivation layer, a second passivation layer disposed over the first pixel electrode, a second pixel electrode disposed over the second passivation layer, an organic layer including an emission layer disposed over the second pixel electrode, and a counter electrode disposed over the organic layer. Each of the first and second passivation layers is formed of one selected from the group consisting of NiCr, Al2O3, TiO2, ZnO and PbO2.
    Type: Grant
    Filed: March 7, 2008
    Date of Patent: August 17, 2010
    Assignee: Samsung Mobile Display Co., Ltd.
    Inventor: Jong-Hoon Son
  • Patent number: 7777412
    Abstract: A light source having a first die with an LED thereon, a substrate, a base layer and a first phosphor layer is disclosed. The first die is characterized by a top surface, a bottom surface and a light generation region at a height above the bottom surface. The substrate includes a depression in which the first die is mounted. The base layer fills the depression in the substrate to a height greater than half the distance from the bottom surface of the first die to the top surface of the first die and less than the light generation height of the first die. The first phosphor layer includes a first light converting material that converts light emitted by the first die to light of a different wavelength. The first phosphor layer is in direct contact with the base layer and covers the first die.
    Type: Grant
    Filed: March 22, 2007
    Date of Patent: August 17, 2010
    Assignee: Avago Technologies ECBU IP (Singapore) Pte. Ltd.
    Inventor: Siew It Pang
  • Patent number: 7772765
    Abstract: A double-sided organic electroluminescent display is constructed with an optical shutter. The organic electroluminescent display which includes an image displaying part comprising a plurality of pixels to display an image corresponding to a data signal and a selection signal, an optical shutter provided on the image displaying part to transmit or block light in response to a control signal, and a driver circuit to supply the data and selection signals to the plurality of pixels and the control signal to the optical shutter, respectively is excellent in visual recognition.
    Type: Grant
    Filed: May 9, 2005
    Date of Patent: August 10, 2010
    Assignee: Samsung Mobile Display Co., Ltd.
    Inventors: Young-jong Park, June-young Song
  • Patent number: 7768198
    Abstract: An electroluminescent light source having a substrate (1), a layer structure applied on the substrate (1) for emitting light (10) at least on the other side from the substrate, having at least one electrode as an anode (3), at least one electrode as a cathode (4) and at least one organic electroluminescent layer (2) lying between them, the electrode (4) on the other side from the substrate being at least partially transparent, and an at least partially transparent encapsulation device (5) for forming a closed volume (6) around the layer structure, which is filled with a dielectric liquid (11) that is substantially chemically inert with respect to the layer structure and which contains particles (12), in particular of a non-absorbent material, for scattering light, the density of which is selected so that the particles (12) are in the suspended state in the dielectric liquid (11).
    Type: Grant
    Filed: December 1, 2005
    Date of Patent: August 3, 2010
    Assignee: Koninklijke Philips Electronics N.V.
    Inventor: Herbert Friedrich Boerner