Discharge Devices Having Three Or More Electrodes Patents (Class 313/306)
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Patent number: 11178775Abstract: A manufacturing method of a circuit board and a display device are provided. In the method, an error caused by that pin alignment on a conventional flexible substrate after a pin column is disposed on the flexible substrate based on a second pin position and a hot pressing process is performed is adjusted, so that the pin alignment is more accurate after the flexible substrate on which a pin is disposed based on a position of the to-be-disposed pin column is finally hot pressed with the display panel, thereby avoiding a problem that the pin is misplaced or short-circuited, and improving a good rate of the product.Type: GrantFiled: December 8, 2017Date of Patent: November 16, 2021Assignees: HKC CORPORATION LIMITED, CHONGQING HKC OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventor: Shuozhen Liang
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Patent number: 10937620Abstract: A technique relates to a semiconductor device. An emitter electrode and a collector electrode are formed in a dielectric layer such that a nanogap separates the emitter electrode and the collector electrode, a portion of the emitter electrode including layers. A channel is formed in the dielectric layer so as to traverse the nanogap. A top layer is formed over the channel so as to cover the channel and the nanogap without filling in the channel and the nanogap, thereby forming a vacuum channel transistor structure.Type: GrantFiled: September 26, 2018Date of Patent: March 2, 2021Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATIONInventors: Joshua T. Smith, Benjamin Wunsch
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Patent number: 10840050Abstract: A field emission cathode electron source and an array thereof provided by embodiments of the present disclosure include a substrate, and a cathode, a cathode tip and a gate disposed on the same side of the substrate. The cathode, the cathode tip and the gate are disposed on an upper surface of the substrate, and the cathode tip is connected to the cathode, and the gate is located on a side of the cathode tip away from the cathode and an electron emission end of the cathode tip is directed toward a side of the substrate close to the gate. The cathode tips are arranged on the substrate in parallel with the substrate. Compared with the three dimensional stacked structure in the prior art, the present disclosure has a higher stability and reliability and is suitable for a large-scale integration.Type: GrantFiled: February 25, 2019Date of Patent: November 17, 2020Assignee: THE INSTITUTE OF MICROELECTRONICS OF CHINESE ACADEMY OF SCIENCESInventors: Weier Lu, Yang Xia
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Patent number: 10814267Abstract: The present disclosure relates a fake head assembly including a fake head body having an engage face, a first vacuum suction hole configured to be connected to an evacuating device to perform an evacuation, an adsorption portion having an adsorption surface, a plurality of first vacuum holes inside the fake head body, each first vacuum hole including a first end on the adsorption surface and a second end on the engage face, the plurality of first vacuum holes being arranged in order in a first direction of the fake head assembly; a shunt device detachably connected to the fake head body, the shunt device having a plurality of evacuating slots which extend in the first direction and have different extension lengths; the first vacuum suction hole being closable by the shunt device and selectively communicated with one evacuating slot, so as to be communicated the second end of at least some of the first vacuum holes via the one evacuating slot; and a connecting device for connecting the shunt device to the engaType: GrantFiled: July 12, 2017Date of Patent: October 27, 2020Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Yangyang Huang, Jieqiang Tan, Kun Liu, Zixiang Lv, Fei Fang, Ziyu Meng
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Patent number: 10592025Abstract: According to one embodiment, a display device includes a display panel including a first substrate including a display area and a first detection electrode, and a second force sensing electrode opposing the display area and the first detection electrode with a gap therebetween. The second force sensing electrode includes a central portion opposing a central portion of the display region, a peripheral portion located to surround the central portion and a reinforcing structure which reinforces the peripheral portion, and the gap between the central portion and the first detection electrode is greater than a gap between the peripheral portion and the first detection electrode.Type: GrantFiled: August 31, 2017Date of Patent: March 17, 2020Assignee: Japan Display Inc.Inventors: Koji Noguchi, Takafumi Suzuki, Michita Kudo
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Patent number: 10580612Abstract: An electron emission source includes a cathode electrode having a recess region formed in an upper portion thereof and the yarn emitter having a tip shape and provided in the recess region of the cathode electrode. The yarn emitter is spaced from an inner surface of the recess region of the cathode electrode.Type: GrantFiled: January 3, 2018Date of Patent: March 3, 2020Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Sora Park, Yoon-Ho Song, Jin-Woo Jeong, Jun Tae Kang
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Patent number: 10470285Abstract: The invention relates to an electrode assembly (5) for generating a non-thermal plasma, comprising a first electrode (7) and a second electrode (9) which are electrically insulated from each other by means of a dielectric element (11) and which are arranged at a distance from each other. The first electrode (7) has a thickness of at least 10 ?m when seen in the direction of the distance between the electrodes (7, 9), and the second electrode (9) has a thickness of at least 1 ?m to maximally 5 ?m or a thickness of at least 5 ?m to maximally 30 ?m when seen in the direction of the distance between the electrodes (7, 9). The dielectric element (11) has a thickness of at least 10 ?m to maximally 250 ?m.Type: GrantFiled: July 21, 2016Date of Patent: November 5, 2019Assignee: terraplasma GmbHInventors: Gregor Morfill, Tetsuji Shimizu, Yangfang Li
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Patent number: 10354827Abstract: Provided is an electron emission source including a substrate, a fixed structure provided on the substrate, and an electron emission yarn provided between the substrate and the fixed structure. The fixed structure includes a first portion having a first width and a second portion having a second width greater than the first width, and the electron emission yarn extends on a first sidewall of the first portion of the fixed structure from between the fixed structure and the substrate.Type: GrantFiled: September 6, 2017Date of Patent: July 16, 2019Assignee: ELECTRONICS & TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Jin-Woo Jeong, Yoon-Ho Song
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Patent number: 10230073Abstract: The present invention provides an organic light-emitting display panel, comprising: a substrate; a light-emitting unit provided on the substrate; and a package structure covering the light-emitting unit. The organic light-emitting display panel further comprises a thermally conductive structure, and the thermally conductive structure is at a side of the light-emitting unit far away from the substrate. Correspondingly, the present invention further provides a display device. The thermally conductive structure provided by the present invention can rapidly dissipate the heat generated by the light-emitting unit, so that the organic light-emitting display panel has an improved performance and the display device has an extended service life.Type: GrantFiled: February 26, 2016Date of Patent: March 12, 2019Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Wulin Shen, Jun Cheng
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Patent number: 10186394Abstract: In an embodiment, a method includes forming a first diamond layer on a substrate and inducing a layer of graphene from the first diamond layer by heating the substrate and the first diamond layer. The method includes forming a second diamond layer on top of the layer of graphene and applying a mask to the second diamond layer. The mask includes a shape of a cathode, an anode, and one or more grids. The method further includes forming a two-dimensional cold cathode, a two-dimensional anode, and one or more two-dimensional grids by reactive-ion electron-beam etching. Each of the two-dimensional cold cathode, the two-dimensional anode, and the one or more two-dimensional grids includes a portion of the first diamond layer, the graphene layer, and the second diamond layer such that the graphene layer is positioned between the first diamond layer and the second diamond layer.Type: GrantFiled: October 11, 2017Date of Patent: January 22, 2019Assignee: Lockheed Martin CorporationInventor: David Glen Findley
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Patent number: 9735551Abstract: A surge absorber and a manufacturing method thereof are disclosed. Since a ceramic material with excellent mechanical strength is used to form a ceramic tube and the ceramic tube is joined to sealing electrodes by use of brazing rings according to the method of manufacturing the surge absorber, durability of the surge absorber is considerably improved. Since the ceramic tube is completely sealed, the surge absorber may be stably used at a high voltage.Type: GrantFiled: November 11, 2013Date of Patent: August 15, 2017Assignee: SMART ELECTRONICS INC.Inventors: Jong il Jung, Doo Won Kang, Gyu Jin Ahn, Sang Joon Jin, Hyun Chang Kim, Kyung Mi Lee, Dong Ho Jeon, Dong Jin Kang
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Patent number: 9680116Abstract: Vacuum transistors with carbon nanotube as the collector and/or emitter electrodes are provided. In one aspect, a method for forming a vacuum transistor includes the steps of: covering a substrate with an insulating layer; forming a back gate(s) in the insulating layer; depositing a gate dielectric over the back gate; forming a carbon nanotube layer on the gate dielectric; patterning the carbon nanotube layer to provide first/second portions thereof over first/second sides of the back gate, separated from one another by a gap G, which serve as emitter and collector electrodes; forming a vacuum channel in the gate dielectric; and forming metal contacts to the emitter and collector electrodes. Vacuum transistors are also provided.Type: GrantFiled: September 2, 2015Date of Patent: June 13, 2017Assignee: International Business Machines CorporationInventors: Qing Cao, Kangguo Cheng, Zhengwen Li, Fei Liu
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Patent number: 9374909Abstract: The present invention relates to a method of manufacturing an LED module, which enhances heat dissipation efficiency of the LED module through a configuration of installing a plurality of electrically separated conductive electrode plates to be close to each other on a same plane, stacking insulation layers on the top and bottom sides of the electrode plates, forming a plurality of ground holes on one side of the insulation layers to expose the electrode plates, and then grounding both electrodes of LED chips to the separated electrode plates.Type: GrantFiled: March 3, 2014Date of Patent: June 21, 2016Assignee: BARDWELL & MCALISTER INC.Inventor: Hyeon-Woo Chae
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Patent number: 9251989Abstract: A method of making a field emitter includes following steps. A carbon nanotube layer is provided, and the carbon nanotube layer includes a first surface and a second surface opposite to each other. A carbon nanotube composite layer is formed via electroplating a first metal layer on the first surface and electroplating a second metal layer on the second surface. A first carbon nanotube layer and a second carbon nanotube layer is formed by separating apart the carbon nanotube composite layer, wherein a fracture surface is formed in the carbon nanotube composite layer, a number of first carbon nanotubes in the first carbon nanotube layer are exposed from the fracture surface, and a number of second carbon nanotubes in the second carbon nanotube layer are exposed from the fracture surface.Type: GrantFiled: June 15, 2015Date of Patent: February 2, 2016Assignees: Tsinghua University, HON HAI PRECISION INDUSTRY CO., LTD.Inventors: Yang Wei, Shou-Shan Fan
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Patent number: 9052427Abstract: A light modulation layer disposed between a first transparent substrate and a second transparent substrate generates a plurality of first strip-like illumination light beams extending in a direction intersecting with a first end surface of the first or second transparent substrate at a first angle with use of light from a light source, when an electric field for a first mode is applied from an electrode to the light modulation layer. The light modulation layer generates a plurality of second strip-like illumination light beams extending in a direction intersecting with the first end surface at an angle different from the first angle or a direction parallel to the first end surface with use of light from the light source, when an electric field for a second mode is applied from the electrode to the light modulation layer.Type: GrantFiled: April 18, 2012Date of Patent: June 9, 2015Assignee: Sony CorporationInventors: Shogo Shinkai, Kentaro Okuyama, Akira Ebisui, Harumi Sato
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Patent number: 8920661Abstract: A method for making a graphene/carbon nanotube composite structure includes providing a metal substrate including a first surface and a second surface opposite to the first surface, growing a graphene film on the first surface of the metal substrate by a CVD method, providing at least one carbon nanotube film structure on the graphene film, and combining the at least one carbon nanotube film structure with the graphene film, and combining the polymer layer with the at least one carbon nanotube film structure and the graphene film, and forming a plurality of stripped electrodes by etching the metal substrate from the second surface.Type: GrantFiled: November 23, 2011Date of Patent: December 30, 2014Assignees: Tsinghua University, Hon Hai Precision Industry Co., Ltd.Inventors: Kai-Li Jiang, Xiao-Yang Lin, Lin Xiao, Shou-Shan Fan
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Patent number: 8890409Abstract: An array of microcavity plasma devices is formed in a unitary sheet of oxide with embedded microcavities or microchannels and encapsulated metal driving electrodes isolated by oxide from the microcavities or microchannels and arranged so as to generate sustain a plasma in the embedded microcavities or microchannels upon application of time-varying voltage when a plasma medium is contained in the microcavities or microchannels.Type: GrantFiled: May 14, 2009Date of Patent: November 18, 2014Assignee: The Board of Trustees of the University of IllnoisInventors: J. Gary Eden, Sung-Jin Park, Taek-Lim Kim, Kwang-Soo Kim
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Patent number: 8803413Abstract: The present invention relates to a symmetric quadrupole structured field emission display without spacer comprising the upper and under substrates with a dielectric layer in between, wherein comb-like dielectric layer with lateral connection belts and a number of longitudinal working belts and longitudinal anodes are arranged on the upper substrate, bus electrodes are arranged longitudinally along the center on each anode, on the top, longitudinal alternating phosphor layer and dielectric layer for isolation on anode, gate electrodes are arranged on both sides of each longitudinal work belts, with the bus electrode as symmetry center, forming interdigital gate electrodes, horizontal cathode electrodes and longitudinal auxiliary electrodes are on the under substrate, resistor layer for current limiting and dielectric layer for cathode protection are arranged alternating horizontally on each cathode electrode, each intersect of the auxiliary electrode and cathode is isolated by the dielectric layer for cathode.Type: GrantFiled: August 12, 2011Date of Patent: August 12, 2014Inventors: Tailiang Guo, Yun Ye, Zhixian Lin, Yongai Zhang, Liqin Jiu, Yuxiang You
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Patent number: 8766522Abstract: Improved field emission cathodes comprise a fiber of highly aligned and densely packed single-wall carbon nanotubes, double-wall carbon nanotubes, multi-wall carbon nanotubes, grapheme nanoribbons, carbon nanofibers, and/or carbon planar nanostructures. The fiber cathodes provide superior current carrying capacity without degradation or adverse effects under high field strength testing. The fibers also can be configured as multi-fiber field emission cathodes, and the use of low work function coatings and different tip configurations further improves their performance.Type: GrantFiled: May 11, 2011Date of Patent: July 1, 2014Assignee: The United States of America as represented by the Secretary of the Air ForceInventors: Steven B Fairchild, Benji Maruyama
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Publication number: 20140049152Abstract: A vacuum tube that may include but is not limited to a plurality of electrodes. A first electrode of the plurality of electrodes may be configured to operatively connect to an electrical source. A second electrode of the plurality of electrodes may be configured to operatively connect to a first load of a plurality of loads, wherein the first electrode may be configured to complete a first circuit through the second electrode and the first load. A third electrode of the plurality of electrodes may be configured to operatively connect to a second load of the plurality of loads that is independent from the first load, wherein the first electrode may be configured to complete a second circuit through the third electrode and the second load.Type: ApplicationFiled: August 14, 2013Publication date: February 20, 2014Inventors: DAVID A. BALDWIN, Kevin L. Brown
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Patent number: 8629609Abstract: Disclosed herein is a triode-type field emission device, in particular for high frequency applications, having a cathode electrode, an anode electrode spaced from the cathode electrode, a control gate electrode arranged between the anode electrode and the cathode electrode, and at least a field-emitting tip; the cathode, control gate and anode electrodes overlapping in a triode area at the field-emitting tip and being operable to cooperate with the field-emitting tip for generation of an electron beam in the triode area. The cathode, control gate and anode electrodes do not overlap outside the triode area, and have a main direction of extension along a respective line; each of these respective lines being inclined at a non-zero angle with respect to each one of the others.Type: GrantFiled: December 28, 2007Date of Patent: January 14, 2014Assignee: Selex Sistemi Integrati S.p.A.Inventors: Aldo Di Carlo, Claudio Paolini, Eleonora Petrolati, Francesca Brunetti, Riccardo Riccitelli
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Publication number: 20120319557Abstract: In a display, an integrated repair structure for open lines of an active matrix array uses conducting repair elements with half-rings around the useful display region. Each repair element is assigned to the repair of only one group of lines of the array which cross the two open legs of the half-ring. An open line is then repaired by creating a connection at each of the two crossing points of this line with the two open legs of the half-ring of a repair element. The loop-closing is provided at least by the segment which connects the two open legs. The repair structure advantageously minimizes the stray couplings and the charge on the lines, and is inexpensive, while allowing a large number of lines to be repaired. It is especially suitable for large displays or high-resolution displays.Type: ApplicationFiled: February 10, 2011Publication date: December 20, 2012Applicant: THALESInventors: Thierry Kretz, Hugues Lebrun
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Patent number: 8330343Abstract: A plasma display device includes a plasma display panel, a chassis disposed on the plasma display panel with a heat-conducting sheet in between, a small-signal processing circuit board disposed on a rear face of the chassis, a thermal sensor, a thermal sensor fixture for installing the thermal sensor, a front frame, and a back cover having a ventilation area with multiple ventilating holes. The thermal sensor fixture has a shielding wall around the thermal sensor and is disposed on a rear face of the small-signal processing circuit board. The thermal sensor is disposed at an intermediate position between the plasma display panel and the back cover at a position facing the back cover.Type: GrantFiled: February 19, 2008Date of Patent: December 11, 2012Assignee: Panasonic CorporationInventor: Yasuhito Fukui
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Patent number: 8253314Abstract: An ion source using a field emission device is provided. The field emission device includes an insulative substrate, an electron pulling electrode, a secondary electron emission layer, a first dielectric layer, a cathode electrode, and an electron emission layer. The electron pulling electrode is located on a surface of the insulative substrate. The secondary electron emission layer is located on a surface of the electron pulling electrode. The cathode electrode is located apart from the electron pulling electrode by the first dielectric layer. The cathode electrode has a surface oriented to the electron pulling electrode and defines a first opening as an electron output portion. The electron emission layer is located on the surface of the cathode electrode and oriented to the electron pulling electrode.Type: GrantFiled: December 3, 2010Date of Patent: August 28, 2012Assignees: Tsinghua University, Hon Hai Precision Industry Co., Ltd.Inventors: Peng Liu, Duan-Liang Zhou, Pi-Jin Chen, Zhao-Fu Hu, Cai-Lin Guo, Bing-Chu Du, Shou-Shan Fan
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Publication number: 20120212120Abstract: Described is a micro-fabricated charged particle emission device including a substrate and a plurality of charged particle emission sites formed in the substrate. A path extends between each emission site and a source of liquid metal. Each path is coated with a wetting layer of non-oxidizing metal for wetting the liquid metal. Exemplary non-oxidizing metals that may be used to make the wetting layer include gold and platinum. The wetting layer is sufficiently thin such that some liquid metal is able to flow to each emission site despite any chemical interaction between the liquid metal and the non-oxidizing metal of the wetting layer.Type: ApplicationFiled: February 28, 2012Publication date: August 23, 2012Applicant: SRI INTERNATIONALInventors: Christopher E. Holland, Paul R. Schwoebel, Charles A. Spindt, Eric M. Pearson, Victor M. Aguero
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Patent number: 8242675Abstract: The present invention discloses a peripheral line scheme of a display device. The routing of the peripheral lines is designed with a grating configuration to electrically connect to a driver IC or an integrated circuit. When the repair line is employed, a part of the peripheral lines could be separated by a laser optionally, and it subsequently could be welded to the repair line by the laser to improve the ability of the repair line. The display device of the present invention includes a display panel with a plurality of signal lines including the data lines and the scan lines. At least one integrated circuit is electrically connected to the plurality of signal lines to drive the display panel for displaying, and at least one repair line is electrically connected to the integrated circuit. At least one peripheral line is electrically connected to the integrated circuit in the grating configuration and in parallel to the repair lines.Type: GrantFiled: February 16, 2011Date of Patent: August 14, 2012Assignee: Chunghwa Picture Tubes, Ltd.Inventor: Yin-Hsiang Teng
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Publication number: 20120161606Abstract: A field emission cathode structure includes an insulating substrate, a number of strip cathode electrodes, a number of insulators, a number of strip gate electrodes, a number of electron emission units, and a number of fixing layers. The number of insulators is located among and spaced apart from the number of strip cathode electrodes. The field emission cathode structure further satisfies the following conditions: D1?D2/10, wherein, D1 is defined as a width of each of the number of insulators, and D2 is defined as a distance between centerlines of each two adjacent field emission units of the number of field emission units.Type: ApplicationFiled: March 28, 2011Publication date: June 28, 2012Applicants: HON HAI PRECISION INDUSTRY CO., LTD., TSINGHUA UNIVERSITYInventors: HAI-YAN HAO, JIE TANG, SHOU-SHAN FAN
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Patent number: 8200151Abstract: A wireless communications system can include a charged particle generator configured to generate plural energized particles and a charge transformer configured to receive the plural energized particles that include charged particles from the charged particle generator and to output energized particles that include particles having substantially zero charge. The charged particle generator can be configured to direct the plural energized particles through the charge transformer to propagate through free space until received by a broadband signal receiver that can demodulate a data signal to complete the data communication.Type: GrantFiled: November 12, 2008Date of Patent: June 12, 2012Assignee: Kaonetics Technologies, Inc.Inventor: James Cornwell
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Patent number: 8183069Abstract: A method of manufacturing an organic light emitting display device includes providing a substrate, the substrate including a first electrode on which a first photosensitive layer is formed, a second electrode on which a second photosensitive layer is formed, and an exposed third electrode, coating an organic layer on the substrate, and carrying out an ashing process to remove the organic layer and the second photosensitive layer and to partially remove the first photosensitive layer so as to avoid exposing the upper surface of the first electrode.Type: GrantFiled: February 24, 2011Date of Patent: May 22, 2012Assignee: Samsung Mobile Display Co., Ltd.Inventor: In-Young Jung
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Patent number: 8169134Abstract: A field emission device includes: a first substrate on which a gate electrode line, a cathode line, and an electron emission source are formed; a second substrate disposed to face the first substrate, and on which an anode and a phosphor layer are formed; and a side frame surrounding an area between the first substrate and the second substrate, and forming a sealed internal space, wherein the first substrate and the second substrate respectively comprise a first protrusion part and a second protrusion part that protrude outside the side frame in the same direction, wherein a rear terminal part for applying a voltage to the gate electrode line and the cathode line is formed on the first protrusion part, wherein an anode terminal for applying a voltage to the anode is formed on the second protrusion part.Type: GrantFiled: March 18, 2011Date of Patent: May 1, 2012Assignee: Samsung Electronics Co., Ltd.Inventors: Hyun-seung Cho, Hak-cheol Yang, Jun-ho Sung, Ki-bum Seong
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Publication number: 20120068602Abstract: A circuit protection device includes a plasma gun configured to emit an ablative plasma along an axis, and a plurality of electrodes, wherein each electrode is electrically coupled to a respective conductor of a circuit and is arranged substantially along a plane that is substantially perpendicular to the axis such that each electrode is positioned substantially equidistant from the axis.Type: ApplicationFiled: September 16, 2010Publication date: March 22, 2012Inventors: George William Roscoe, Dean Arthur Robarge, Robert Joseph Caggiano, Seth Adam Cutler, Thangavelu Asokan, Adnan Kutubuddin Bohori
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Patent number: 8106367Abstract: An ionizer includes a high voltage AC generator, and a planar ion emitter mounted on an insulating substrate and having an array of planar needles that protrude from an edge of the substrate. The high voltage AC generator may be actuated by a switch having a pair of mutually insulated planar contacts located near an edge of the insulating substrate and configured to be contacted by an electrically conductive coil spring. The coil spring is supported by a slider that is moveable toward the ion emitter from an initial position wherein the planar contacts are shorted by the spring so as to actuate the high voltage AC generator. Continued movement of the spring collects dust in its coils while breaking the switch contacts and de-energizing the high voltage AC generator.Type: GrantFiled: December 30, 2009Date of Patent: January 31, 2012Assignee: Filt Air Ltd.Inventor: Yefim Z Riskin
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Publication number: 20120019121Abstract: The present invention discloses a peripheral line scheme of a display device. The routing of the peripheral lines is designed with a grating configuration to electrically connect to a driver IC or an integrated circuit. When the repair line is employed, a part of the peripheral lines could be separated by a laser optionally, and it subsequently could be welded to the repair line by the laser to improve the ability of the repair line. The display device of the present invention includes a display panel with a plurality of signal lines including the data lines and the scan lines. At least one integrated circuit is electrically connected to the plurality of signal lines to drive the display panel for displaying, and at least one repair line is electrically connected to the integrated circuit. At least one peripheral line is electrically connected to the integrated circuit in the grating configuration and in parallel to the repair lines.Type: ApplicationFiled: February 16, 2011Publication date: January 26, 2012Inventor: Yin-Hsiang TENG
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Publication number: 20120007490Abstract: An ion source using a field emission device is provided. The field emission device includes an insulative substrate, an electron pulling electrode, a secondary electron emission layer, a first dielectric layer, a cathode electrode, and an electron emission layer. The electron pulling electrode is located on a surface of the insulative substrate. The secondary electron emission layer is located on a surface of the electron pulling electrode. The cathode electrode is located apart from the electron pulling electrode by the first dielectric layer. The cathode electrode has a surface oriented to the electron pulling electrode and defines a first opening as an electron output portion. The electron emission layer is located on the surface of the cathode electrode and oriented to the electron pulling electrode.Type: ApplicationFiled: December 3, 2010Publication date: January 12, 2012Applicants: HON HAI PRECISION INDUSTRY CO., LTD., TSINGHUA UNIVERSITYInventors: PENG LIU, DUAN-LIANG ZHOU, PI-JIN CHEN, ZHAO-FU HU, CAI-LIN GUO, BING-CHU DU, SHOU-SHAN FAN
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Publication number: 20110316411Abstract: A flat panel display is disclosed. The flat panel display includes a plurality of electrically addressable pixels, a plurality of thin-film transistor driver circuits each been electrically coupled to an associated at least one of the pixels, respectively, a passivating layer on the thin-film transistor driver circuits and at least partially around the pixels, a conductive frame on the passivating layer, and a plurality of nanostructures on the conductive frame, wherein, creating a voltage difference between the pixels and the conductive frame by addressing one of the pixels using the associated driver circuit causes the nanostructures to emit electrons that induce a corresponding one of the pixels to emit light. The display further comprising a nano material deposited on a metal cathode layer. The nano-material providing additional electron emission through secondary electron emission.Type: ApplicationFiled: July 16, 2011Publication date: December 29, 2011Inventors: Denis A. Krusos, Anthony J. Campisi
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Patent number: 8040038Abstract: Disclosed herein is a high frequency, cold cathode, triode-type, field-emitter vacuum tube including a cathode structure, an anode structure spaced from the cathode structure, and a control grid, wherein the cathode structure and the anode structure are formed separately and bonded together with the interposition of spacers, and the control grid is integrated in the anode structure.Type: GrantFiled: December 29, 2006Date of Patent: October 18, 2011Assignee: Selex Sistemi Integrati S.p.A.Inventors: Francesca Brunetti, Aldo Di Carlo, Massimiliano Lucci, Silvia Orlanducci, Riccardo Riccitelli, Maria Letizia Terranova
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Patent number: 8035294Abstract: In an electron beam apparatus including an electron emission element and an anode, the electron emission element includes a gate 5 and a cathode 6 having a projection portion. The gate 5 and the cathode 6 are located in a surface of an insulating member 3 including a recess 7. The projection portion of the cathode 6 has a height distribution, and an average value dav (m) of a shortest distance between the gate 5 and the projection portion of the cathode 6 and a difference h (m) between the average value dav and a shortest distance dmin (m) from the gate 5 to a maximum convex portion of the projection portion of the cathode 6 satisfy a relationship of h/dav<0.39.Type: GrantFiled: April 29, 2010Date of Patent: October 11, 2011Assignee: Canon Kabushiki KaishaInventors: Hirotomo Taniguchi, Toshiharu Sumiya, Hisanobu Azuma, Takanori Suwa
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Publication number: 20110234646Abstract: A flat panel display device and a method of manufacturing the same are disclosed. The flat panel display device includes: a pixel unit including a plurality of scan lines, a plurality of data lines intersecting with the plurality of scan lines, and a plurality of pixels connected to the plurality of the scan lines and the plurality of the data lines, the plurality of pixels comprising red, green, blue and white pixels, a data driver outputting a data signal to the data lines, and a scan driver outputting a scan signal to the scan lines, where a storage capacitor of the blue pixel is formed in a lower portion of the white pixel.Type: ApplicationFiled: February 24, 2011Publication date: September 29, 2011Applicant: SAMSUNG MOBILE DISPLAY CO., LTD.Inventors: Ho-Seok HAN, Jae-Myung JANG, Jeong-Geun YOO, Sang-Hoon SHIN
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Patent number: 7990068Abstract: In accordance with the invention, there are nanoscale electron emitters, field emission light emitting devices, and methods of forming them. The nanoscale electron emitter can include a first electrode electrically connected to a first power supply and a second electrode electrically connected to a second power supply. The nanoscale electron emitter can also include a nanocylinder electron emitter array disposed over the second electrode, the nanocylinder electron emitter array having a plurality of nanocylinder electron emitters disposed in a dielectric matrix, wherein each of the plurality of nanocylinder electron emitters can include a first end connected to the second electrode and a second end positioned to emit electrons, the first end being opposite to the second end.Type: GrantFiled: March 4, 2008Date of Patent: August 2, 2011Assignee: Xerox CorporationInventor: David H. Pan
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Patent number: 7982381Abstract: An electron source including: a plurality of electron-emitting devices connected to a matrix wiring of scan lines and modulation lines on a substrate, wherein each of the electron-emitting devices includes a cathode electrode connected to the scan line, a gate electrode connected to the modulation line and a plurality of electron-emitting members, the cathode electrode is configured in a first comb-like structure for applying an electric potential of the cathode to the plurality of electron-emitting members, the gate electrode is configured in a second comb-like structure for applying an electric potential of the gate to the plurality of electron-emitting members, and each of the first and second comb-like structures is provided with a plurality of comb-teeth, and a connecting electrode electrically connected to the plurality of teeth in at least one of the first and second comb-like structures.Type: GrantFiled: April 9, 2009Date of Patent: July 19, 2011Assignee: Canon Kabushiki KaishaInventor: Nobumasa Suzuki
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Patent number: 7936118Abstract: A light source apparatus applicable to a backlight module includes a cathode structure, an anode structure, a fluorescent layer, a secondary electron generation layer, and a low-pressure gas layer. The fluorescent layer is located between the cathode structure and the anode structure. The low-pressure gas layer is filled between the cathode structure and the anode structure. The secondary electron generation layer is disposed on the cathode structure and can generate additional secondary electrons to hit the fluorescent layer for improving the luminous efficiency.Type: GrantFiled: February 29, 2008Date of Patent: May 3, 2011Assignee: Industrial Technology Research InstituteInventors: Yi-Ping Lin, Jung-Yu Li, Shih-Pu Chen, Wei-Chih Lin, Lian-Yi Cho
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Patent number: 7915798Abstract: A thermionic emission device includes an insulating substrate, and one or more grids located thereon. Each grid includes a first, second, third and fourth electrode down-leads located on the periphery thereof, and a thermionic electron emission unit therein. The first and second electrode down-leads are parallel to each other. The third and fourth electrode down-leads are parallel to each other. The first and second electrode down-leads are insulated from the third and fourth electrode down-leads. The thermionic electron emission unit includes a first electrode, a second electrode, and a thermionic electron emitter. The first electrode and the second electrode are separately located and electrically connected to the first electrode down-lead and the third electrode down-lead respectively. The thermionic electron emitter includes at least one carbon nanotube wire.Type: GrantFiled: October 23, 2008Date of Patent: March 29, 2011Assignees: Tsinghua University, Hon Hai Precision Industry Co., Ltd.Inventors: Peng Liu, Liang Liu, Kai-Li Jiang, Shou-Shan Fan
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Publication number: 20100283380Abstract: In an electron beam apparatus including an electron emission element and an anode, the electron emission element includes a gate 5 and a cathode 6 having a projection portion. The gate 5 and the cathode 6 are located in a surface of an insulating member 3 including a recess 7. The projection portion of the cathode 6 has a height distribution, and an average value day (m) of a shortest distance between the gate 5 and the projection portion of the cathode 6 and a difference h (m) between the average value day and a shortest distance dmin (m) from the gate 5 to a maximum convex portion of the projection portion of the cathode 6 satisfy a relationship of h/day<0.39.Type: ApplicationFiled: April 29, 2010Publication date: November 11, 2010Applicant: CANON KABUSHIKI KAISHAInventors: Hirotomo Taniguchi, Toshiharu Sumiya, Hisanobu Azuma, Takanori Suwa
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Patent number: 7790062Abstract: A composition for forming an electron emission source includes a polymer comprising a carbon-based material; a vehicle; and a unit of formula (1) below: wherein A1 is a single bond, or a substituted or unsubstituted C1-C20 alkylene group; and Z1 and Z2 are each hydrogen, a substituted or unsubstituted C1-C20 alkyl group, a substituted or unsubstituted C1-C20 alkoxy group, a carboxyl group, an —NR1R2 group, a part of a styrene group resin, or a part of a novolac resin, and R1 and R2 are each hydrogen, a substituted or unsubstituted C1-C20 alkyl group, or a substituted or unsubstituted C6-C30 aryl group. An electron emission source may be formed from the composition for forming an electron emission source, and an electron emission device and an electron emission display device may include the electron emission source. When the composition is used to form an electron emission source, the printability of the composition is improved and thus repeated printings can be carried out.Type: GrantFiled: April 12, 2007Date of Patent: September 7, 2010Assignee: Samsung SDI Co., Ltd.Inventor: Joo-Young Kim
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Patent number: 7777402Abstract: A second transparent electrode of each of the row electrodes in each row electrode pair corresponding each of the discharge cells located in an internal peripheral portion of the panel has an electrode area smaller than the electrode area of a first transparent electrode corresponding each of the discharge cells located in a central portion of the panel. The head portion of the second transparent electrode corresponding to each of the discharge cells located in the internal peripheral portion has a row-direction width greater than the row-direction width of the head portion of the first transparent electrode corresponding to each of the discharge cells located in the central portion.Type: GrantFiled: June 28, 2006Date of Patent: August 17, 2010Assignee: Panasonic CorporationInventor: Yasuhiro Torisaki
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Patent number: 7772755Abstract: A thermionic emission device includes an insulating substrate, and one or more grids located thereon. Each grid includes a first, second, third and fourth electrode down-leads located on the periphery thereof, and a thermionic electron emission unit therein. The first and second electrode down-leads are parallel to each other. The third and fourth electrode down-leads are parallel to each other. The first and second electrode down-leads are insulated from the third and fourth electrode down-leads. The thermionic electron emission unit includes a first electrode, a second electrode, and a thermionic electron emitter. The first electrode and the second electrode are separately located and electrically connected to the first electrode down-lead and the third electrode down-lead respectively. The insulating substrate comprises one or more recesses that further insulate the thermionic electron emitters from the substrate.Type: GrantFiled: October 23, 2008Date of Patent: August 10, 2010Assignees: Tsinghua University, Hon Hai Precision Industry Co., Ltd.Inventors: Peng Liu, Liang Liu, Kai-Li Jiang, Shou-Shan Fan
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Patent number: 7759662Abstract: In an electron emission method, a voltage is applied to a field electron emission element that has a boron nitride material containing crystal, formed on an element substrate to show a conical projection of the boron nitride material and shows a stable electron emitting property in an atmosphere when a voltage is applied thereto to emit electrons. An electron emission threshold of the field electron emission element falls due to formation of a surface electric dipolar layer by bringing it into contact with an operating atmosphere containing polar solvent gas when applying a voltage to the field electron emission element so as to emit electrons.Type: GrantFiled: December 13, 2005Date of Patent: July 20, 2010Assignee: National Institute For Materials ScienceInventors: Shojiro Komatsu, Toyohiro Chikyo, Katsuyuki Okada, Yusuke Moriyoshi
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Publication number: 20100164354Abstract: A method of manufacturing an electromagnetic wave shield for a plasma display panel having a first panel having an image-displaying surface, the method including coating the image-displaying surface of the first panel with a coating solution to form a hydrophobic layer; applying a conductive ink to the hydrophobic layer utilizing an ink-jet applicator to form a pattern of the conductive ink; and heating the conductive ink and the hydrophobic layer to form a conductive mesh pattern on the hydrophobic layer.Type: ApplicationFiled: December 3, 2009Publication date: July 1, 2010Inventors: Jaeseok Lim, Sangyoung Jin, Minhyung Kim, Heeyoul Yoon, Ria Ju, Younghak Pyo, Seunghyuck Paek, Sangchul Seo
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Publication number: 20100156271Abstract: An apparatus includes light emitting members; anode electrodes disposed on the light emitting members in an overlapping manner; a partition member disposed between adjacent light emitting members; a resistance member disposed on the partition member, the resistance member connecting adjacent anode electrodes to each other; and a feeding electrode connecting the resistance member to a power supply, wherein the feeding electrode is disposed on a base adjacent to the partition member, and the feeding electrode is connected, on the base, to the resistance member and to a power supply.Type: ApplicationFiled: December 17, 2009Publication date: June 24, 2010Applicant: CANON KABUSHIKI KAISHAInventor: Ginjiro Toyoguchi
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Patent number: 7714495Abstract: An electron emission display includes first and second substrates facing each other, a plurality of election emission regions provided on the first substrate, a black layer formed on a first surface of the second substrate between the phosphor layers, and an anode electrode coupled to the phosphor and black layers. The anode electrode has a light transmissivity ranging from about 3% to about 15%. A method of forming the anode electrode includes forming an interlayer on the phosphor and black layer, depositing a conductive material on the second substrate, and removing the interlayer through a firing process.Type: GrantFiled: October 18, 2006Date of Patent: May 11, 2010Assignee: Samsung SDI Co., Ltd.Inventors: Seung-Joon Yoo, Su-Kyung Lee, Won-Il Lee, Cheol-Hyeon Chang, Zin-Min Park, Jung-Ho Kang