Patents Examined by Zachary Snyder
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Patent number: 8013519Abstract: An electroluminescent light source includes a substrate and a layer structure applied to the substrate for emitting light at least on the side facing away from the substrate. The layer structure includes an electroluminescent layer between two electrodes. A partially transparent encapsulation device forms a closed volume around the layer structure, and is filled with a dielectric fluid which is substantially chemically inert with respect to the layer structure. The fluid contains particles for absorbing parts of the light emitted by the layer structure and for re-emitting light of a different wavelength. The density of the particles is selected such that the particles in the dielectric fluid are in the suspended state in the operational state of the light source.Type: GrantFiled: November 28, 2005Date of Patent: September 6, 2011Assignee: Koninklijke Philips Electronics N.V.Inventor: Herbert Friedrich Boerner
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Patent number: 8013501Abstract: An LED light bulb device including a bulb body, a cap and an LED assembly. The bulb body defines an exterior surface and an interior. The cap is mounted to the bulb body, combining to define a light bulb-like structure. The LED assembly includes a substrate, LEDs, transformer circuitry and connective circuitry. The LEDs and the connective circuitry are maintained by the substrate, with the connective circuitry electrically connecting the LEDs and the transformer circuitry. The transformer circuitry is adapted to modify incoming power for powering the LEDs. The LED assembly is mounted to the light bulb-like structure such that the LEDs are disposed along the exterior surface of the bulb body, with light from the LEDs being directed inwardly into the interior and then outwardly from the interior. The LED assembly can further include a heat sink body encompassing the LEDs.Type: GrantFiled: May 5, 2009Date of Patent: September 6, 2011Assignee: Forever Bulb, LLCInventors: David W. Carroll, Wendell L. Carroll
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Patent number: 7999465Abstract: An Organic Light Emitting Diode (OLED) display reduces damage to a panel assembly with an improved bezel structure. The OLED display includes a panel assembly including a display area, a pad area, and a plurality of OLEDs arranged in the display area and a bezel attached to the panel assembly. The bezel is has a rebound resilience in a range of 50-70%. The bezel is made of a silicon-based rubber.Type: GrantFiled: January 9, 2009Date of Patent: August 16, 2011Assignee: Samsung Mobile Display Co., Ltd.Inventors: Dong-Su Yee, Kuen-Dong Ha, Chan-Kyoung Moon, Hyun-Hee Lee, Ji-Ho Kang, Oh-June Kwon, Jung-Jun Im, Hyun-Min Hwang, Jae-Wook Lee, Song-Hark Lee, Joung-Chung Kim, Min-Su Kim
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Patent number: 7990038Abstract: The subject of the present invention is a dielectric barrier discharge (DBD-) lamp (1) for generating and emitting ultraviolet radiation comprising: —a housed discharge gap (3), whereby the housing has at least two walls, whereby at least one of the walls is a dielectric wall and at least one of the walls has an at least partly transparent part, a filling located inside the discharge gap (3), at least two electrical contacting means for electrical contacting associated with at least the two walls, respectively, whereby the discharge gap (3) is formed by at least two discharge sub-volumes (7) and/or discharge sub-areas (8) differing in at least one of their discharge parameters for realizing at least two dominant emission regimes and/or one emission regime with different radiant intensities and a method for producing said DBD-lamp (1).Type: GrantFiled: January 2, 2006Date of Patent: August 2, 2011Assignee: Koninklijke Philips Electronics N.V.Inventors: Georg Greuel, Wolfgang Schiene, Norbert Braun
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Patent number: 7980909Abstract: A display device based on e.g. oil layer break up or oil layer displacement having at least two different states, having a wall (13) height which is insignificant compared to the pixel width and also to the typical curvature of the oil interface at the tip of the dosing needle (15), the pixels are dosed without inserting the needle into the pixels. As the dosing needle no longer has to enter the pixel, pixels can be dosed with oil (5) from a relatively large injection needle.Type: GrantFiled: March 25, 2005Date of Patent: July 19, 2011Assignee: Liquavista B.V.Inventors: Robert A. Hayes, Bokke J. Feenstra, Ivo G. J. Camps
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Patent number: 7972191Abstract: A manufacturing method of an image display apparatus, having a vacuum container with getters therein, includes the steps of exhausting an inner gas through an exhaust hole provided in the vacuum container; and activating the getters during the exhausting. In the activating step, the getters are sequentially activated first from a getter positioned in an area having a larger exhaust conductance with respect to the exhaust hole.Type: GrantFiled: August 6, 2009Date of Patent: July 5, 2011Assignee: Canon Kabushiki KaishaInventors: Yasuo Ohashi, Mitsutoshi Hasegawa, Shigeto Kamata
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Patent number: 7965035Abstract: A light-emitting device includes: a light-emitting section disposed on a reference plane and supplying light; and a structure disposed on the light-exiting side of the light-emitting section, wherein the structure includes: a reflective polarizer that transmits polarized light vibrating in a first vibrating direction and reflects polarized light vibrating in a second vibrating direction substantially orthogonal to the first vibrating direction; and an optical section that transmits the light from the reflective polarizer and that cyclically changes in refraction index in the two-dimensional plane substantially parallel to the reference plane.Type: GrantFiled: October 5, 2006Date of Patent: June 21, 2011Assignee: Seiko Epson CorporationInventor: Taisuke Yamauchi
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Patent number: 7948174Abstract: A panel for a multi-panel display effectively reduces the width of its connecting portion. The panel for a multi-panel display comprises a substrate, a display element mounted on the substrate, a glass cover attached to the substrate, and a recess in the substrate between the display element and an end of the substrate, wherein the glass cover is attached to the substrate within the recess. The panel for a multi-panel display of the present invention reduces the width of the connecting portion so that a high quality continuous screen image formed on two panels can be obtained.Type: GrantFiled: August 9, 2006Date of Patent: May 24, 2011Assignee: Samsung Electronics Co., Ltd.Inventors: Young-gu Lee, Young-tea Chun, In-seo Kee, Hong-shik Shim
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Patent number: 7948176Abstract: A flat panel display device includes a display area in which a desired image is displayed, and a non-display area arranged outside the display area and bordering the display area, and further includes bank portions arranged in a pattern in the display area and partitioning a plurality of first openings, emission elements arranged at the first openings, dummy bank portions formed in the non-display area in substantially a same pattern as the bank portions and partitioning a plurality of second openings, an absorbing material layer for removing oxygen/moisture located at the second openings, and a sealing passivation layer isolating the emission elements from the outside air and including a structure having at least two layers comprising an organic film and an inorganic film deposited alternately. Thus, the emission elements are prevented from being oxidized or corroded by a harmful material, and in a manner that minimizes additional processes.Type: GrantFiled: December 18, 2006Date of Patent: May 24, 2011Assignee: Samsung Electronics Co., Ltd.Inventors: Tae-sik Oh, Young-gu Lee, Sung-kee Kang, Ick-hwan Ko, Young-tea Chun, Hong-shik Shim
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Patent number: 7940001Abstract: A full-color organic light emitting display (OLED) and method of fabricating the same. The display includes a substrate with a pixel electrode, an organic layer having at least an emission layer, and an opposite electrode formed thereon. An encapsulation substrate has formed thereon an organic emission layer that emits light of a single color and a black matrix that defines emission regions. A moisture absorbent material and one of color filter layers and color change mediums are formed between the black matrixes to correspond to the emission layer. The method of making alleviates the need for a separate processes for treating the moisture absorbent material and for forming the color filter layers or the color change mediums using a shadow mask.Type: GrantFiled: September 16, 2005Date of Patent: May 10, 2011Assignee: Samsung Mobile Display Co., Ltd.Inventors: Joon-Young Park, Jang-Hyuk Kwon
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Patent number: 7901263Abstract: A method of manufacturing an LED light string using a jig having a main body and a plurality of spiral grooves formed thereon adjacent to each other is provided. The method includes winding an electrical wire in each of the grooves, removing portions of the electrical wires to provide a plurality of spaced exposed segments at successive locations on each of the electrical wires, placing LED chips on at least some of the plurality of exposed segments formed in one of the electrical wires, connecting each LED chip to a corresponding exposed segment on a different electrical wire by a connector, and sealing each LED chip and connector. A jig for attaching one or more LED chips to a plurality of electrical wires is also provided.Type: GrantFiled: January 11, 2008Date of Patent: March 8, 2011Assignee: Digicrown International Ltd.Inventor: Kenneth Tsai
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Patent number: 7880383Abstract: An electron emission device includes first and second substrates facing each other, an electron emission unit provided on a first surface of the first substrate, a light emission unit provided on a first surface of the second substrate facing the first substrate, and a sealing member for sealing peripheries of the first and second substrates together. The sealing member contacts a first insulation layer of the electron emission unit.Type: GrantFiled: March 28, 2007Date of Patent: February 1, 2011Assignee: Samsung SDI Co., Ltd.Inventors: Dong-Su Chang, Hyeong-Rae Seon, Jae-Young Lee
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Patent number: 7863810Abstract: An organic light emitting display device includes a substrate formed of a conductive material and a luminescent element having an organic layer formed on the substrate, and an anode and a cathode interposing the organic layer, wherein the substrate physically contacts the cathode and provides a voltage to the cathode.Type: GrantFiled: November 29, 2006Date of Patent: January 4, 2011Assignee: Samsung Mobile Display Co., Ltd.Inventor: Choong-Youl Im
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Patent number: 7859178Abstract: A spark plug is disclosed as having a metal shell, a porcelain insulator fixedly secured to the metal shell, a center electrode and a ground electrode providing a spark discharge gap with the center electrode. The porcelain insulator has a through-bore partially exposed from an end face of the ground electrode in a surface area S1, as viewed from a distal end of the spark plug, and having a total surface area S2 falling in the relationship S1/S2?0.3. The center electrode protrudes from the porcelain insulator with a protruding length L under the relationship L?0.6 mm. A minimal value Hmin and a maximal value Hmax in distance between the ground electrode and the end face of the porcelain insulator lies in the relationship Hmax/Hmin?1.3. Wall thickness T between the through-bore and an outer periphery of the porcelain insulator lies in the relationship T?0.7 mm.Type: GrantFiled: March 14, 2007Date of Patent: December 28, 2010Assignee: Denso CorporationInventor: Koichi Yoshida
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Patent number: 7819716Abstract: A manufacturing method of an organic electroluminescent element is provided. The method includes forming an insulator layer between pattern-formed pixel electrodes on a substrate, and forming a hole transport layer by printing hole transport ink, having a hole transport material dissolved in a solvent, on the pixel electrodes between the insulator layers by relief printing, wherein the hole transport ink includes 3,4-polyethylen dihydroxy thiophen (PEDOT), and monohydric alcohol and dihydric alcohol as solvents.Type: GrantFiled: October 6, 2006Date of Patent: October 26, 2010Assignee: Toppan Printing Co., Ltd.Inventor: Koji Murata
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Patent number: 7800289Abstract: The invention relates to an electrodeless high frequency gas discharge lamp according to the induction principle that, as a result of its design and construction, shows particularly low electromagnetic interference with a simultaneous increase in light efficiency. The gas discharge lamp according to the invention owes these advantageous properties on the one hand to the high coupling factor between the discharge current and the exciting current and, on the other hand, to the essentially homogeneous field conditions in the discharge vessel, which has been achieved by designing the discharge vessel to take the form of a hollow cylindrical ring which is seated directly over the exciter winding that extends over the entire length of the discharge vessel on a fully-closed, highly-permeable ferrite core.Type: GrantFiled: October 17, 2006Date of Patent: September 21, 2010Assignee: Minebea Co., Ltd.Inventor: Robert Weger
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Patent number: 7785165Abstract: A method for manufacturing a field emission electron source includes the following steps: (a) providing a pair of conductive bases (32, 42) each having a top (322, 422), the tops being spaced apart from and opposite to each other, the tops being immersed in a solution (50) having carbon nanotubes dispersed therein; (b) applying an alternating voltage (60) between the two conductive bases thereby causing at least one carbon nanotube to become assembled between the tops of the conductive bases; (c) shutting off the alternating voltage between the conductive bases and removing the solution between the tops of the two conductive bases; (d) detaching one of the two conductive bases in a matter such that the carbon nanotube remains connected with one of the tops of the conductive bases; and (e) modifying the carbon nanotube to create a low work function coating on a least a tip/free end thereof.Type: GrantFiled: September 1, 2006Date of Patent: August 31, 2010Assignees: Tsinghua University, Hon Hai Precision Industry Co., Ltd.Inventors: Wei Wei Wei, Kai-Li Jiang, Shou-Shan Fan
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Patent number: 7764013Abstract: The invention provides a display apparatus comprising: a plurality of thin film transistors; a protective film formed on the thin film transistor; a plurality of pixel electrodes formed on the protective film and electrically connected with the thin film transistors; a partition wall layer partitioning the pixel electrodes adjacent to each other, the partition wall layer including a main exposure portion exposing the pixel electrode and a sub-exposure portion protruded and extended from the main exposure portion whereby the problem of non-uniform coating of ink in the corners of pixel electrodes is overcome.Type: GrantFiled: June 29, 2006Date of Patent: July 27, 2010Assignee: Samsung Electronics Co., Ltd.Inventors: Dong-won Lee, Jung-soo Rhee, Jin-koo Chung, Jianpu Wang, Song-mi Hong
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Patent number: 7759861Abstract: In an organic EL display provided with a transparent substrate, a buffer layer provided on the transparent substrate, and an organic EL element provided on the buffer layer, the buffer layer is formed of a material having the same refractive index as the transparent electrode of the EL element, and has a two-dimensional concavo-convex structure having two pattern periods.Type: GrantFiled: September 26, 2005Date of Patent: July 20, 2010Assignee: Kabushiki Kaisha ToshibaInventors: Akira Fujimoto, Koji Asakawa, Tsutomu Nakanishi
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Patent number: 7745997Abstract: A multi-electrode double tube fluorescent lamp includes first external electrodes formed at two ends of an outer glass tube or an inner glass tube, and a second external electrode formed at an inner wall surface of the inner glass tube in a longitudinal direction. A first power source is connected with the first external electrode, and a second power source is connected with the second external electrode. A third external electrode formed along an outer surface of the outer glass tube is connected with the second power source. The second external electrode and the third external electrode are arranged in a radial shape in a direction vertical with respect to the longitudinal direction.Type: GrantFiled: October 18, 2006Date of Patent: June 29, 2010Assignee: Kwang Woon Display Technology Co., Ltd.Inventor: Guang-Sub Cho