Patents Examined by Tracie Green
  • Patent number: 8004171
    Abstract: A plasma display panel including a front panel having a first substrate, a first electrode, a first dielectric layer and a protective layer wherein the first electrode is formed on the first substrate, the first dielectric layer is formed over the first substrate so as to cover the first electrode, and the protective layer is formed on the first dielectric layer, and a rear panel having a second substrate, a second electrode, a second dielectric layer and a phosphor layer wherein the second electrode is formed on the second substrate, the second dielectric layer is formed over the second substrate so as to cover the second electrode, the phosphor layer is formed on the second dielectric layer.
    Type: Grant
    Filed: May 9, 2008
    Date of Patent: August 23, 2011
    Assignee: Panasonic Corporation
    Inventors: Hideki Yamashita, Hironobu Inoue, Motoi Hatanaka, Tomohiro Okumura
  • Patent number: 7999476
    Abstract: There is provided a plasma display panel in which a front plate and a rear plate are disposed opposite to each other, a side of a tubular exhaust pipe is disposed in the vicinity of a fine hole provided in the rear plate using a tablet serving as sealant formed of frit glass, peripheries of the front plate and the rear plate and the exhaust pipe are sealed with the sealant in order to form a discharge space, and the discharge space is ventilated and discharge gas is filled into the discharge space through the exhaust pipe. The rear plate and the exhaust pipe are sealed by a sealed part obtained by melting a tablet made of amorphous frit glass not containing lead, and a stress working on the sealed part is a tension in the direction of the rear plate and the direction of the exhaust pipe.
    Type: Grant
    Filed: February 26, 2007
    Date of Patent: August 16, 2011
    Assignee: Panasonic Corporation
    Inventors: Masaki Nishinaka, Akinobu Miyazaki
  • Patent number: 7999466
    Abstract: A display device includes a display panel having a display region formed with a plurality of thin film transistors, a light emitting layer disposed in the display region, and a driver supplying a driving signal including a gate signal and a data signal to the thin film transistors. At least one voltage pad is disposed outside of the display region on the display panel to supply a reference voltage to the display region, a power generator generates the reference voltage, and a flexible film is connected between the voltage pad and the power generator to transmit the reference voltage. At least one of the driver and the power generator includes an external power input unit that receives external power.
    Type: Grant
    Filed: June 26, 2007
    Date of Patent: August 16, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Byung-Sik Koh, Chun-Seok Ko, Byoung-Seong Jeong, Si-Duk Sung
  • Patent number: 7999456
    Abstract: Provided is a white light emitting diode (LED) including a blue LED chip; and yellow, green, and red light emitting phosphors that are coated on the blue LED chip at a predetermined mixing ratio and converts light, emitted from the blue LED chip, into white light.
    Type: Grant
    Filed: September 28, 2007
    Date of Patent: August 16, 2011
    Assignee: Samsung LED Co., Ltd.
    Inventors: Jong Rak Sohn, Chul Soo Yoon, Chang Hoon Kwak, Il Woo Park
  • Patent number: 7994712
    Abstract: An organic light emitting device includes a first pixel displaying a first color, a second pixel adjacent to the first pixel and displaying a second color, and a third pixel adjacent to the first pixel or the second pixel and displaying a third color, wherein the first pixel includes a first and second subpixel units that output respective lights having different color characteristics.
    Type: Grant
    Filed: December 10, 2008
    Date of Patent: August 9, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Un-Cheol Sung, Ji-Hye Choi, Young-Rok Song, Soo-Yeon Lee
  • Patent number: 7994716
    Abstract: In the present invention, an organic EL device, which includes first and second display electrodes and at least one organic functional layer sandwiched between the respective display electrodes and composed of an organic compound, a high-molecular compound film covering the organic EL device and a surface of a substrate in the periphery of the organic EL device, an inorganic barrier film covering the high-molecular compound film, the edge of the high-molecular compound film, and a surface of the substrate in the periphery of the high-molecular compound film are formed on the substrate. In this case, a aliphatic polyurea film is used as the high-molecular compound film.
    Type: Grant
    Filed: November 6, 2006
    Date of Patent: August 9, 2011
    Assignee: Ulvac, Inc.
    Inventor: Yoshikazu Takahashi
  • Patent number: 7990035
    Abstract: With regard to a metal vapor discharge lamp with a triple tube structure including a discharge tube, an inner tube, and an outer tube, misalignment of axes of the inner tube and the outer tube is prevented. The metal vapor discharge lamp (14) is composed of a discharge tube (30) having a pair of electrodes therein, an inner tube (32) having a pinch-sealed part (86) at an end thereof and hermitically housing the discharge tube therein, and an outer tube (34) housing the inner tube therein, and a base (36). In a clearance between the inner tube and the outer tube, there disposed a restrain member (37) for restraining movement of the inner tube relative to the outer tube in a direction orthogonal to an axis of the metal vapor discharge lamp.
    Type: Grant
    Filed: May 29, 2007
    Date of Patent: August 2, 2011
    Assignee: Panasonic Corporation
    Inventors: Rie Tonomori, Masanori Higashi, Shunsuke Kakisaka, Kazuo Takeda
  • Patent number: 7990044
    Abstract: The present invention provides an electrical processing apparatus and method for electrically processing a display panel having an organic light-emitting layer. The method for electrically processing a display panel having an organic light-emitting layer includes dividing a light-emitting region of the display panel into a plurality of regions; and applying a voltage to at least one region of the plurality of regions where an amplitude of the voltage exceeds an amplitude of a driving voltage of the display panel. The electrical processing apparatus includes a display panel comprising an organic light-emitting layer, a light emitting region, and a plurality of regions, the plurality of regions being defined by dividing the light emitting region; a jig for holding the display panel; and a current supplying portion, wherein the current supplying portion supplies a current individually to each of the plurality of regions.
    Type: Grant
    Filed: June 25, 2007
    Date of Patent: August 2, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sung-Soo Lee, Beohm-Rock Choi, Kyong-Tae Park, Young-Rok Song, Ji-Hye Choi
  • Patent number: 7986083
    Abstract: An electron emission device includes a cathode electrode and a gate electrode, the gate electrode is separated and insulated from the cathode, the gate electrode is a CNT layer, and the CNT layer includes at least a carbon nanotube film and a plurality of carbon nanotube reinforcement structures. A display that includes the electron emission device is also disclosed.
    Type: Grant
    Filed: December 31, 2008
    Date of Patent: July 26, 2011
    Assignees: Tsinghua University, Hon Hai Precision Industry Co., Ltd.
    Inventors: Lin Xiao, Liang Liu, Kai-Li Jiang, Shou-Shan Fan
  • Patent number: 7986085
    Abstract: A light emitting apparatus including a plurality of light emitting devices for different colors and having a simple structure with small variations in luminous brightness of each of the light emitting devices for the different colors is provided, and electronic equipment provided with such a light emitting apparatus is also provided.
    Type: Grant
    Filed: May 24, 2006
    Date of Patent: July 26, 2011
    Assignee: Seiko Epson Corporation
    Inventors: Yuji Shinohara, Tetsuo Nakagawa
  • Patent number: 7982385
    Abstract: To improve color reproduction areas in a display device having light-emitting elements. A display region has a plurality of picture elements. Each picture element includes: first and second pixels each including a light-emitting element which has a chromaticity whose x-coordinate in a CIE-XY chromaticity diagram is 0.50 or more; third and fourth pixels each including a light-emitting element which has a chromaticity whose y-coordinate in the diagram is 0.55 or more; and fifth and sixth pixels each including a light-emitting element which has a chromaticity whose x-coordinate and y-coordinate in the diagram are 0.20 or less and 0.25 or less, respectively. The light-emitting elements in the first and second pixels have different emission spectrums from each other; the light-emitting elements in the third and fourth pixels have different emission spectrums from each other; and the light-emitting elements in the fifth and sixth pixels have different emission spectrums from each other.
    Type: Grant
    Filed: September 26, 2006
    Date of Patent: July 19, 2011
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Hajime Kimura, Atsushi Miyaguchi
  • Patent number: 7969093
    Abstract: A plasma display panel and a manufacturing method thereof are disclosed. The panel includes a substrate having a plurality of discharge cells, and barrier ribs defining the discharge cells, the barrier ribs contain carbon in an amount of 0.1 to 10% by weight.
    Type: Grant
    Filed: October 5, 2007
    Date of Patent: June 28, 2011
    Assignee: LG Electronics Inc.
    Inventors: Jin Woo Park, Gi Jin Kwon, Yoon Kwan Lee, Kwon Hue Son
  • Patent number: 7969084
    Abstract: A display device is provided including a display panel for displaying an image and a backlight panel for providing light to the display panel. The backlight panel includes a vacuum chamber including a first substrate, a second substrate, and a sealing member. Cathode electrodes are on a side of the first substrate along a first direction with a gap between each other. Gate electrodes are between the cathode electrodes. Electron emission regions are at either sides of the cathode electrodes facing the gate electrodes. A diffusion electrode is above the cathode electrodes and the gate electrodes. An insulator is between the diffusion electrode and the cathode electrodes and between the diffusion electrode and the gate electrodes. Openings are in the diffusion electrode for exposing the electron emission regions. A light emitting unit is on the second substrate.
    Type: Grant
    Filed: October 28, 2008
    Date of Patent: June 28, 2011
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Il-Hwan Kim, Young-Churl Kim
  • Patent number: 7965043
    Abstract: The invention relates to a discharge vessel of a quartz glass for discharge lamps with a diffusion barrier inner layer of silicon oxide, which as a single layer is applied and/or is generated on the inner surface as well as to a method for generating and/or applying such a diffusion barrier inner layer and to the use of such a discharge vessel.
    Type: Grant
    Filed: December 19, 2005
    Date of Patent: June 21, 2011
    Assignee: Auer Lighting GmbH
    Inventors: Thomas Küpper, Margareta Hamel, Christoph Mölle, Dietmar Ehrlichmann, Rainer Kronfoth, Klaus Günther
  • Patent number: 7960912
    Abstract: A light-emitting device includes a cathode, an anode, a first light-emitting layer that is disposed between the cathode and the anode and that emits light of a first color, a second light-emitting layer that is disposed between the first light-emitting layer and the cathode and that emits light of a second color different from the first color, and an intermediate layer that is disposed between and in contact with the first light-emitting layer and the second light-emitting layer and that functions to prevent energy transfer of excitons between the first light-emitting layer and the second light-emitting layer. The intermediate layer includes a first intermediate layer disposed in contact with the first light-emitting layer and mainly containing a first intermediate material and a second intermediate layer disposed in contact with the second light-emitting layer and mainly containing a second intermediate material different from the first intermediate material.
    Type: Grant
    Filed: August 12, 2008
    Date of Patent: June 14, 2011
    Assignee: Seiko Epson Corporation
    Inventors: Koji Yasukawa, Masayuki Mitsuya, Hidetoshi Yamamoto
  • Patent number: 7956523
    Abstract: A carbon film is coated over the surface of a spacer. The carbon film has the following three features when the binding state of carbon is analyzed by X-ray photoelectron spectroscopy: (a) an integral area of a region of 284.5 eV or below is 27% or less of an integral area attributed to carbon, (b) an integral area of a region of 286.0 eV-287.0 eV is 18% or less thereof, and (c) an integral area of a region of 287.0 eV or above is 9% or more thereof.
    Type: Grant
    Filed: May 1, 2008
    Date of Patent: June 7, 2011
    Assignee: Canon Kabushiki Kaisha
    Inventors: Kazuo Kuroda, Nobuhiro Ito
  • Patent number: 7956537
    Abstract: A display device includes: a support substrate including a display region where a plurality of display elements are arranged and a peripheral region where a drive circuit for each display element is provided in the periphery of the display region; a seal resin layer formed in at least the peripheral region; an opposed substrate bonded through the seal resin layer to the support substrate, sealing the display elements; an organic insulating film formed on the support substrate so as to insulate the drive circuit; a separation groove formed through the thickness of the organic insulating film so as to surround the display region and separate the organic insulating film into an inner portion and an outer portion; and a framelike projection formed on the opposed substrate so as to be opposed to the separation groove.
    Type: Grant
    Filed: April 9, 2008
    Date of Patent: June 7, 2011
    Assignee: Sony Corporation
    Inventor: Tadakatsu Nakadaira
  • Patent number: 7952267
    Abstract: A display by an active matrix drive in which plural pixels are controlled independently from one another, wherein each of the pixels includes at least two sub-pixels, the sub-pixels emit light of the same color as each other by application of current, and one sub-pixel of the sub-pixels has a lower light-emission efficiency per unit of current than that of the other sub-pixel. A display which has an improved gradation and is capable of multi-gradation reproduction is provided.
    Type: Grant
    Filed: March 6, 2008
    Date of Patent: May 31, 2011
    Assignee: Fujifilm Corporation
    Inventors: Tasuku Satou, Toshiro Takahashi
  • Patent number: 7946899
    Abstract: A high-pressure mercury vapor discharge lamp (1) comprising an envelope (2) of high temperature resistant material having a discharge vessel (3) and two electrodes (5, 6) extending from two seal portions (4) into the discharge vessel (3), the two electrodes having an electrode gap (de) smaller than or equal to 2.5 mm, preferably smaller than or equal to 1.5 mm, is described. The discharge vessel (3) contains a filling which essentially comprises the following substances: rare gas, oxygen, halogen consisting of chlorine, bromine, iodine, or a mixture thereof, as well as mercury in a quantity greater than or equal to 0.15 mg/mm3? The seal portions (4) have a cross-sectional area of between 6 mm2 and 20 mm2, preferably approximately 10 mm2. A method of manufacturing such a high-pressure mercury vapor discharge lamp (1) and a projector system for such a high-pressure mercury vapor discharge lamp (1) are also described.
    Type: Grant
    Filed: December 21, 2006
    Date of Patent: May 24, 2011
    Assignee: Koninklijke Philips Electronics N.V.
    Inventors: Holger Moench, Pavel Pekarski
  • Patent number: 7948169
    Abstract: It is an object of the present invention to provide a light emitting element with a low driving voltage. In a light emitting element, a first electrode; and a first composite layer, a second composite layer, a light emitting layer, an electron transporting layer, an electron injecting layer, and a second electrode, which are stacked over the first electrode, are included. The first composite layer and the second composite layer each include metal oxide and an organic compound. A concentration of metal oxide in the first composite layer is higher than a concentration of metal oxide in the second composite layer, whereby a light emitting element with a low driving voltage can be obtained. Further, the composite layer is not limited to a two-layer structure. A multi-layer structure can be employed. However, a concentration of metal oxide in the composite layer is gradually higher from the light emitting layer to first electrode side.
    Type: Grant
    Filed: June 25, 2010
    Date of Patent: May 24, 2011
    Assignee: Semiconductor Energy Larboratory Co., Ltd.
    Inventors: Shunpei Yamazaki, Junichiro Sakata, Ryoji Nomura