Electrode Shaping Patents (Class 445/49)
-
Publication number: 20110086569Abstract: A step of forming wiring using first solution ejection means for ejecting a conductive material, a step of forming a resist mask on the wiring using second solution ejection means, and a step of etching the wiring using an atmospheric-pressure plasma device having linear plasma generation means or an atmospheric-pressure plasma device having a plurality of linearly-arranged plasma-generation-means using the resist mask as a mask are included.Type: ApplicationFiled: December 8, 2010Publication date: April 14, 2011Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.Inventor: Shunpei YAMAZAKI
-
Patent number: 7914358Abstract: A method for manufacturing a field emission electron source includes: (a) Providing a carbon nanotube (CNT) film, the CNT film has a plurality of CNTs, the CNTs are aligned along a same direction; a first electrode and a second electrode. (b) Fixing the two opposite sides of the CNT film on the first electrode and the second electrode, the CNTs in the CNT film extending from the first electrode to the second electrode. (c) Treating the CNT film with an organic solvent to form at least one CNT string. (d) Applying a voltage between two opposite ends of the CNT string until the CNT string snaps, thereby at least one CNT needle, the CNT needle has an end portion and a broken end portion. (e) Securing the CNT needle to a conductive base by attaching the end portion of the CNT needle to the conductive base.Type: GrantFiled: November 26, 2008Date of Patent: March 29, 2011Assignees: Tsinghua University, Hon Hai Precision Industry Co., Ltd.Inventors: Yang Wei, Liang Liu, Shou-Shan Fan
-
Patent number: 7905756Abstract: A field emission backlight unit for a liquid crystal display (LCD) includes: a lower substrate; first electrodes and second electrodes alternately formed in parallel lines on the lower substrate; emitters disposed on at least the first electrodes; an upper substrate spaced apart from the lower substrate by a predetermined distance such that the upper and lower substrates face each other; a third electrode formed on a bottom surface of the upper substrate; and a fluorescent layer formed on the third electrode. Since the backlight unit has a triode-type field emission structure, field emission is very stable. Since the first electrodes and the second electrodes are formed in the same plane, brightness uniformity is improved and manufacturing processes are simplified.Type: GrantFiled: September 21, 2007Date of Patent: March 15, 2011Assignee: Samsung SDI Co., Ltd.Inventors: Ho-Suk Kang, In-Taek Han, Yong-Wan Jin, Min-Jong Bae, Young-Jun Park
-
Publication number: 20110006674Abstract: A method for fabrication of substrate having a nano-scale surface roughness is presented. The method comprises: patterning a surface of a substrate to create an array of spaced-apart regions of a light sensitive material; applying a controllable etching to the patterned surface, said controllable etching being of a predetermined duration selected so as to form a pattern with nano-scale features; and removing the light sensitive material, thereby creating a structure with the nano-scale surface roughness. Silanizing such nano-scale roughness surface with hydrophobic molecules results in the creation of super-hydrophobic properties characterized by both a large contact angle and a large tilting angle. Also, deposition of a photo-active material on the nano-scale roughness surface results in a photocathode with enhanced photoemission yield. This method also provides for fabrication of a photocathode insensitive to polarization of incident light.Type: ApplicationFiled: September 12, 2010Publication date: January 13, 2011Applicant: Yeda Research and Development Company Ltd. Israeli Company, At The Weizmann Institute of ScienceInventors: Ron NAAMAN, Ben GOLAN, Zeev FRADKIN, Adam WINKLEMAN, Dan ORON
-
Publication number: 20100328193Abstract: An image display element includes: a front panel; a back panel opposite thereto; a plurality of pixels arranged between both the panels; and plural electrodes for controlling the pixels. The panels are bonded with the pixels and the electrodes interposed therebetween, and the electrodes are connected to a driving circuit via metal film wires. The back panel is divided so as to expose electrode terminals, and a groove part V-shaped in cross section is formed at the divided portion. The metal film wires are formed on the top surface of the back panel, and the electrode terminals and the metal film wires are connected by a conductive paste coated along the tilt surfaces forming the groove part. Partitions are disposed between the adjacent electrode terminals at the bottom of the groove part.Type: ApplicationFiled: February 4, 2010Publication date: December 30, 2010Applicants: Mitsubishi Electric Corporation, Tohoku Pioneer CorporationInventors: Zenichiro HARA, Satoru Kiridoshi, Suguru Nagae, Takanori Okumura, Yoshiyuki Suehiro, Nobuo Terazaki, Masaaki Hiraki, Yutaka Saito, Yuji Saito, Toshinao Yuki, Ryota Oki, Takeshi Yoshida, Jun Sugahara, Hiroyuki Sato, Yoshinori Fukuda, Yosuke Sato, Masami Kimura
-
Publication number: 20100308723Abstract: An electrode for a high-pressure discharge lamp, cut out in one piece from a rod or pin is provided. The electrode may include an electrode head as first segment; and a shaft as second segment, wherein the electrode has an asymmetrical shape which has been produced by means of a sublimation laser.Type: ApplicationFiled: November 18, 2008Publication date: December 9, 2010Applicant: OSRAM GESELLSCHAFT MIT BESCHRAENKTER HAFTUNGInventors: Thomas Degenhard, Juergen Kellerer, Matthias Lenz, Sascha Piltz, Dieter Trypke, Karen Twesten, Oliver Apel
-
Patent number: 7847477Abstract: A method of manufacturing a display unit and a display unit capable of decreasing particles caused by a sputtering target of an oxide electric conductor and obtaining favorable electric conductive characteristics between a metal and the oxide electric conductor in the case where a first electrode has a laminated structure including the metal and the oxide electric conductor are provided. The method of manufacturing a display unit having a display layer between a first electrode and a second electrode, wherein a step of forming the first electrode includes the steps of: forming a laminated structure sequentially including a first layer made of a metal and a second layer made of a metal whose oxide exhibits electric conductivity over a substrate; and providing surface oxidation treatment after forming the laminated structure and thereby forming an oxide electric conductor film in at least part in a thickness direction of the second layer.Type: GrantFiled: June 8, 2009Date of Patent: December 7, 2010Assignee: Sony CorporationInventor: Toshiaki Arai
-
Patent number: 7828622Abstract: A method for sharpening a metal carbide emitter tip is disclosed. The metal carbide emitter tip is exposed to an oxygen rich, low vacuum environment when the metal carbide emitter tip is at a first temperature. The metal carbide emitter tip is rapidly heated to a higher second temperature at regular intervals of time.Type: GrantFiled: October 25, 2007Date of Patent: November 9, 2010Assignee: KLA-Tencor Technologies CorporationInventors: Alan Brodie, Mehran Nasser-Ghodsi, Ming Yu
-
Patent number: 7828619Abstract: A method for preparing a nanostructured composite electrode through electrophoretic deposition and a product prepared thereby are presented. A conductive material and an active material are suspended into a stable suspension in solution by ultrasonication. The conductive material includes functionalized carbon multi-walled nanotubes. The active material includes synthesized nanoparticles. A surface charge is applied to the active material by adding an electrolyte into the stable suspension. At least two electrodes are introduced into the stable suspension in opposing parallel orientation. A direct current electrical field is formed between the electrodes sufficient to cause conductive material and the active material formation thereupon.Type: GrantFiled: July 10, 2006Date of Patent: November 9, 2010Assignee: Mytitek, Inc.Inventor: Kwang “Jeff” Yeh
-
Patent number: 7814566Abstract: A fabricating method of a structure having nano-hole is provided. The fabricating method includes: providing a substrate, forming a photoresist layer on the substrate, forming an opening, and performing a heat treatment process on the photoresist layer to shrink the opening to form a nano-hole. The structure having nano-hole fabricated by the method of the present invention can be used to fabricate a nano-tip having a diameter of tip-body of no more than 10 nm, high aspect ratio, and a uniform diameter of tip-body.Type: GrantFiled: April 20, 2007Date of Patent: October 12, 2010Assignee: Industrial Technology Research InstituteInventor: Wei-Su Chen
-
Patent number: 7794793Abstract: A method for preparation of carbon nanotubes (CNTs) bundles for use in field emission devices (FEDs) includes forming a plurality of carbon nanotubes on a substrate, contacting the carbon nanotubes with a polymer composition comprising a polymer and a solvent, and removing at least a portion of the solvent so as to form a solid composition from the carbon nanotubes and the polymer to form a carbon nanotube bundle having a base with a periphery, and an elevated central region where, along the periphery of the base, the carbon nanotubes slope toward the central region.Type: GrantFiled: December 3, 2007Date of Patent: September 14, 2010Assignee: Brother International CorporationInventor: Kangning Liang
-
Patent number: 7750544Abstract: This invention provides compositions of matter that contain an electron emitting substance and an expansion material. The expansion material may, for example, be an intercalation compound. When a film is formed from the composition, expansion of the expansion material typically causes rupturing or fracturing of the film. No further treatment of the surface of the film is typically required after expansion of the expansion material to obtain good emission properties. A surface formed from such a fractured film acts as an efficient electron field emitter and thus is useful in vacuum microelectronic devices.Type: GrantFiled: March 27, 2007Date of Patent: July 6, 2010Assignee: E.I. du Pont de Nemours and CompanyInventors: Lap-Tak Andrew Cheng, David Herbert Roach
-
Patent number: 7736209Abstract: A method for forming cathodes for use in field emission devices using nanoparticles, such as carbon nanotubes (CNTs), is disclosed. The CNT layer comprises the electron emitting material on the surface of the cathode. Using the methods of the present invention, the density of the deposited CNTs may be modulated by forming emitter islands on the surface of the cathode. The size and distribution of the CNT emitter islands serve to optimize the field emission properties of the resulting CNT layer. In one embodiment, the CNT emitter islands are formed using a screen-printing deposition method. The present invention may be practiced without further process steps after deposition which activate or align the carbon nanotubes for field emission.Type: GrantFiled: August 30, 2005Date of Patent: June 15, 2010Assignee: Applied Nanotech Holdings, Inc.Inventors: Dongsheng Mao, Richard Fink, Zvi Yaniv
-
Patent number: 7714487Abstract: It is possible to prolong service life of a discharge lamp of hot-cathode type and to reduce a diameter thereof. A discharge lamp 1 is provided with an electrode 3. The electrode 3 has a heater 4 made up a coil portion 4a, and a first lead wire portion 4b and a second lead wire portion 4c that respectively extend from rear ends of this coil portion 4a and applied by an electron emission material 3a. In the electrode 3, a first lead-in wires 6a is connected to the first lead wire portion 4b and a second lead-in wires 6b is connected to the second lead wire portion 4c, so that the coil portion 4a is arranged vertically along the tube axis of the glass tube 2. The electrode 3 is also provided a sleeve 7 covering surrounding of the coil portion 4a and having openings in the faces respectively opposite to the forward end and rear end of the coil portion 4a. An open end 7a of the sleeve 7 exceeds a forward end of the coil portion 4a, thereby protecting the coil portion 4a.Type: GrantFiled: January 19, 2005Date of Patent: May 11, 2010Assignee: Sony CorporationInventors: Yoshiichi Horikoshi, Yukio Hara, Masahiro Kikuchi, Hiroshi Takahashi, Ryouichi Yoshida, Hiroto Watanabe
-
Patent number: 7704117Abstract: An electron emission display and method of fabricating a mesh electrode structure for the same. The electron emission display includes: an electron emission substrate having an electron emission region; a mesh electrode structure including a mesh electrode having an opening, through which electrons emitted from the electron emission region can pass, and a mesh electrode insulating layer formed at one side of the mesh electrode using a direct printing method; and an image forming substrate having an image forming region for emitting light by the emitted electrons. The method improves voltage resistance characteristics between the gate or cathode electrode and the mesh electrode, and eliminates the need for a lower spacer.Type: GrantFiled: October 14, 2005Date of Patent: April 27, 2010Assignee: Samsung SDI Co., Ltd.Inventors: Kyu Won Jung, Sang Jin Lee, Il Hwan Kim
-
Patent number: 7696692Abstract: Disclosed herein is a plasma display panel and a method of fabricating the same. The plasma display panel comprises a front glass substrate and a rear glass substrate. An electrode structure disposed between the front and rear glass substrates is prepared in such a way that a non-photosensitive black dielectric layer and a non-photosensitive or photosensitive electrode layer, formed on the front glass substrate, are subjected to heat treatment. The black dielectric layer is blackened at a lower surface by the heat treatment. Current flows between an upper electrode and a transparent electrode and it is possible to assure sufficiently low visibility even though costly metal particles are not used as conductive material on the front substrate of the plasma display panel. It is possible to use various types of black pigments thanks to non-photosensitivity, thus it is possible to fabricate a low-priced plasma display panel due to a reduced material cost.Type: GrantFiled: June 9, 2005Date of Patent: April 13, 2010Assignee: Cheil Industries, Inc.Inventors: Yeong Seok Kim, Kuninori Okamoto, Jae Joon Shim
-
Patent number: 7682213Abstract: An electron emission device is provided which has sufficient on/off characteristics and is capable of efficiently emitting electrons with a low voltage. An electron emission device includes a substrate, a cathode electrode, a gate electrode, which are arranged on the substrate, an insulation layer covering the surface of the cathode electrode, and a dipole layer formed by terminating the surface of the insulation layer with hydrogen.Type: GrantFiled: July 18, 2007Date of Patent: March 23, 2010Assignee: Canon Kabushiki KaishaInventors: Ryoji Fujiwara, Yoji Teramoto
-
Patent number: 7674149Abstract: Methods are provided for fabricating field emitters by using laser-induced re-crystallization. A substrate is first provided on which a silicon-containing layer is formed. A plurality of extrusive tips are thereafter formed to be extruded from the surface of the silicon-containing layer by using laser-induced re-crystallization. The methods of the laser-induced re-crystallization include a step of subjecting the overall or partial silicon-containing layer to an energy source, either unpatterned or patterned.Type: GrantFiled: April 21, 2005Date of Patent: March 9, 2010Assignee: Industrial Technology Research InstituteInventor: Yu-Cheng Chen
-
Patent number: 7670203Abstract: A method of making a microelectromechanical microwave vacuum tube device is disclosed. The device is formed by defining structural regions and sacrificial regions in a substrate. The structural regions have flexural members. The substrate is treated to remove the sacrificial regions and release the structural regions such that the structural regions are moveable by the flexural members. The structural regions include a device cathode, a device grid or both a device cathode and a device grid. The cathode comprises electron emitters. The device further includes an output structure where amplified microwave power is removed from the device. In the method, the cathode surface and the grid surface are moved to a position where they are substantially parallel to each other and substantially perpendicular to the substrate. The device further comprises an anode that is substantially parallel to the cathode surface and the grid surface.Type: GrantFiled: January 3, 2007Date of Patent: March 2, 2010Assignee: Agere Systems Inc.Inventors: Peter Ledel Gammel, Richard Edwin Howard, Omar Daniel Lopez, Wei Zhu
-
Publication number: 20100048086Abstract: In a flat display panel, a surface of at least one of a sustain electrode and an address electrode may be formed to have a curved surface. The surface of the electrode may be formed as a continuous curved surface. The sustain electrode and the address electrode may be elongated in a lengthwise direction thereof. These lengthwise directions may be perpendicular to each other. The electrode may be formed by transferring an electrode material onto the substrate using an electrode frame defined with electrode forming grooves each having a same sectional shape as the electrode. Therefore, the surface of the electrode may be formed as the curved surface.Type: ApplicationFiled: October 27, 2009Publication date: February 25, 2010Inventors: Bong Hyang KIM, Soon Kook Hong, Kang Ug Lee, Dug Hwan Kim, Seung Mok Oh, Sang Soo Lee, Seung Yong Shin, Seok Gu Kim, Dae Chul Kang
-
Patent number: 7667381Abstract: An electron emission device is disclosed. The electron emission device includes a resistance layer for electrically connecting a line electrode and isolate electrodes included in the cathode electrode. The cathode electrode can maintain a uniform voltage due to the resistance layer. A protection layer is located on the resistance layer. The protection layer prevents conductive elements contained in the resistance layer from diffusing over the protection layer. The protection layer also prevents the resistance layer from being oxidized.Type: GrantFiled: October 18, 2006Date of Patent: February 23, 2010Assignee: Samsung SDI Co., Ltd.Inventors: Jin-Hui Cho, Sang-Jo Lee, Su-Bong Hong
-
Patent number: 7666051Abstract: A device and method is presented for achieving a high field emission from the application of a low electric field. More specifically, the device includes a substrate wherein a plurality of nanostructures are grown on the substrate. The relationship of the nanostructures and the substrate (the relationship includes the number of nanostructures on the substrate, the orientation of the nanostructures in relationship to each other and in relationship to the substrate, the geometry of the substrate, the morphology of the nanostructures and the morphology of the substrate, the manner in which nanostructures are grown on the substrate, the composition of nanostructure and composition of substrate, etc) allow for the generation of the high field emission from the application of the low electric field.Type: GrantFiled: January 9, 2007Date of Patent: February 23, 2010Assignee: The Trustees of Boston CollegeInventors: Zhifeng Ren, Sung Ho Jo, Debasish Banerjee
-
Patent number: 7648406Abstract: A method for producing a carbon nanotube array element includes the steps of: providing a first substrate coated with a conductive paste layer; forming an array of thin film blocks of catalyst on a second substrate; forming each of the thin film blocks into islands of catalyst; forming carbon nanotube bundles on the islands of catalyst, each of the carbon nanotube bundles including a plurality of carbon nanotubes and having a free end portion; pressing the second substrate toward the first substrate such that the free end portions insert into the conductive paste layer; solidifying the conductive paste layer; and removing the second substrate together with the islands of catalyst from the carbon nanotube bundles, thereby forming an open end for each of the carbon nanotubes. A carbon nanotube array element for a field emission cathode device is also disclosed.Type: GrantFiled: December 13, 2006Date of Patent: January 19, 2010Assignee: National Tsing Hua UniversityInventors: Nyan-Hwa Tai, Chien-Chao Chiu, Tsung-Yen Tsai
-
Patent number: 7645177Abstract: An electroluminescent panel includes a partial electroluminescent panel base and one or more electrode regions. The electrode regions are inkjet-printed on the partial electroluminescent base.Type: GrantFiled: May 7, 2005Date of Patent: January 12, 2010Assignee: Hewlett-Packard Development Company, L.P.Inventor: David M. Kwasny
-
Patent number: 7641530Abstract: An organic EL panel and a method of forming the same, in which a bottom electrode of an organic EL device is flattened at the surface so that organic layers deposited thereon have uniform thicknesses, thereby avoiding the occurrence of leak currents and allowing favorable luminescence characteristics. The organic EL panel has an organic EL device formed on a substrate, the device comprising the bottom electrode, the organic layers including at least an organic luminescent layer, and a top electrode. The bottom electrode has an etched surface obtained by chemically etching a polished surface of an electrode material film. The organic layers are formed on the etched surface.Type: GrantFiled: June 28, 2005Date of Patent: January 5, 2010Assignee: Tohoku Pioneer CorporationInventors: Toshinao Yuki, Kunihiko Shirahata
-
Publication number: 20090280712Abstract: A method of high precisely manufacturing, for an electron beam displaying apparatus, a support member which is equipped with an electrode on the surface thereof is provided. In this method, an electrode region is formed on the surface of a base material, the surface of the base material is ground by using a grinding stone having a convex portion, and at the same time a fringe portion of the electrode region is ground to form an electrode.Type: ApplicationFiled: April 24, 2009Publication date: November 12, 2009Applicant: CANON KABUSHIKI KAISHAInventors: Akira Hayama, Junichi Kimiya
-
Patent number: 7611394Abstract: Provided are electron-emitting devices, electron sources, and image-forming apparatus improved in electron emission efficiency and in convergence of trajectories of emitted electrons. An electron-emitting device has a first electrode and a second electrode placed in opposition to each other with a gap between first and second electrodes on a surface of a substrate, and a plurality of fibers electrically connected to the first electrode and containing carbon as a main component, and the fibers are placed on a surface of the first electrode facing the second electrode.Type: GrantFiled: February 20, 2007Date of Patent: November 3, 2009Assignee: Canon Kabushiki KaishaInventors: Shinichi Kawate, Takeo Tsukamoto
-
Publication number: 20090256477Abstract: The present invention relates to an organic light emitting device including a substrate, a first pixel electrode disposed on the substrate, a second pixel electrode disposed on the first pixel electrode and having a groove, a partition disposed on the second pixel electrode and having an opening exposing the groove, an organic light emitting member, and a common electrode disposed on the partition and the organic light emitting member. At least a portion of the organic light emitting member is disposed in the groove. The partition overlaps the groove to form a gap, and at least a portion of the organic light emitting member is disposed in the gap.Type: ApplicationFiled: November 10, 2008Publication date: October 15, 2009Applicant: Samsung Electronics Co., Ltd.Inventors: Jin-Koo Chung, Dong-Won Lee, Chang-Woong Chu
-
Patent number: 7591701Abstract: To provide an electron-emitting device, an electron source, an image-forming apparatus, and a method for manufacturing the electron-emitting device whereby it is possible to reduce a device capacity and a driving voltage, to improve the efficiency of emitting electrons, and to obtain high-resolution beam. The extracting electrode and the cathode electrode are provided on an insulating substrate, a layer having growth selectivity of fibrous carbon is formed on the cathode electrode, and the fibrous carbon is grown via catalyst particles formed on the layer.Type: GrantFiled: August 8, 2007Date of Patent: September 22, 2009Assignee: Canon Kabushiki KaishaInventor: Takeo Tsukamoto
-
Patent number: 7588475Abstract: A stable field-emission electron source that does not suffer from a current drop even after a high-current density operation for a long time is provided. The field-emission electron source includes: a substrate; an insulating layer that is formed on the substrate and that has a plurality of openings; cathodes arranged at the respective openings in order to emit electron beams; a lead electrode formed on the insulating layer in order to control emission of electrons from the respective cathodes; and a surface-modifying layer formed on the surface of each of the cathodes emitting electrons, comprising a chemical bond between a cathode material composing the cathodes and a material different from the cathode material.Type: GrantFiled: March 29, 2007Date of Patent: September 15, 2009Assignee: Panasonic CorporationInventors: Keisuke Koga, Makoto Yamamoto, Akinori Shiota, Seigo Kanemaru, Masayoshi Nagao
-
Publication number: 20090227172Abstract: A plasma display apparatus comprising a connector is provided. The plasma display apparatus comprises a plasma display panel comprising an electrode of a predetermined width and a connector comprising an electrode line of a width narrower than the predetermined width of the electrode to supply a driving signal to the electrode. A distance between the electrode line and an adjacent electrode line is longer than a distance between the electrode and an adjacent electrode.Type: ApplicationFiled: May 13, 2009Publication date: September 10, 2009Applicant: LG Electronics Inc.Inventor: SUNG-TAE KIM
-
Publication number: 20090224647Abstract: There are provided electrode emission source components (105) and electrical apparatus comprising the same. In one embodiment an electrode emission source component comprises a tubular metal body (107) having first and second open ends (140, 150). Also provided are methods of forming electrode components.Type: ApplicationFiled: November 17, 2006Publication date: September 10, 2009Inventors: David Steven Barratt, Derek John Holden
-
Patent number: 7576906Abstract: A manufacturing apparatus for manufacturing a display medium, the manufacturing apparatus including an image data storing unit that stores image data for text or image to be displayed on the display medium; an electrode pattern generating unit that generates an electrode pattern based on the image data stored in the image data storing unit so that when the text or image is configured of a plurality of independent regions, the electrode pattern has a plurality of integrally and electrically connected electrodes corresponding to a plurality of regions; an electrode forming unit that forms the first electrode on either an electrophoretic medium integrally configured of the second substrate, the second electrode, and the electrophoretic layer or the first substrate based on the electrode pattern generated by the electrode pattern generating unit; and a bonding unit that bonds the electrophoretic medium to the first substrate after the electrode forming unit has formed the first electrode.Type: GrantFiled: October 21, 2008Date of Patent: August 18, 2009Assignee: Brother Kogyo Kabushiki KaishaInventors: Yasuhiro Hattori, Hiroyuki Enomoto
-
Patent number: 7563149Abstract: Provided are a sheet for manufacturing a plasma display apparatus, and a method for manufacturing the plasma display apparatus. The sheet includes a base film; a photoresist layer formed on the base film; an electrode material layer formed on the photoresist layer; and a cover film formed on the electrode material layer.Type: GrantFiled: August 19, 2005Date of Patent: July 21, 2009Assignee: LG Electronics Inc.Inventors: Je Seok Kim, Dae Hyun Park
-
Patent number: 7563147Abstract: A method for manufacturing an organic electroluminescent device having an organic functional layer formed between facing electrodes, the method includes forming separators which separate either of the electrodes into a strip, forming an electrode film between the separators with a vapor deposition method, and placing a further electrode material on the electrode film which is formed between the separators with the vapor deposition method.Type: GrantFiled: April 11, 2005Date of Patent: July 21, 2009Assignee: Seiko Epson CorporationInventors: Hirofumi Sakai, Kazunori Sakurai
-
Publication number: 20090170394Abstract: A method for making a thermionic electron source includes the following steps: (a) supplying a substrate; (b) forming a first electrode and a second electrode thereon; and (c) spanning a carbon nanotube film structure on a surface of the first electrode and the second electrode with a space defined between the thermionic emitter and the substrate.Type: ApplicationFiled: October 23, 2008Publication date: July 2, 2009Applicants: Tsinghua University, HON HAI Precision Industry CO., LTD.Inventors: Peng Liu, Liang Liu, Kai-Li Jiang, Shou-Shan Fan
-
Publication number: 20090160332Abstract: A vacuum vessel is configured by hermetically joining a faceplate to one end of a side tube and a stem to the other end via a tubular member. A photocathode, a focusing electrode, dynodes, a drawing electrode, and anodes are arranged within the vacuum vessel. The dynodes and the anodes have a plurality of channels in association with each other. Each electrode has cutout portions that overlap in a stacking direction, and supporting pins and lead pins are arranged in the cutout portions. A bridge is provided in a concave section arranged between unit anodes, and the bridge is cut off after the anode plate is placed on stem pins. Effective areas of each electrode and the anode are secured sufficiently, thereby allowing electrons to be detected efficiently.Type: ApplicationFiled: February 27, 2007Publication date: June 25, 2009Applicant: HAMAMATSU PHOTONICS K.K.Inventors: Hideki Shimoi, Koji Nagura, Hiroyuki Kyushima
-
Publication number: 20090140626Abstract: Disclosed are a vacuum channel transistor including a planar cathode layer formed of a material having a low work function or a planar cathode layer including a heat resistant layer formed of a material having a low work function, and a manufacturing method of the same. In the vacuum channel transistor, electrons can be emitted even when a low voltage is applied to a gate layer, a voltage of an anode layer has a small influence on electron emission of a cathode layer, and instability of emission current is obviated. Accordingly, high efficiency and a long lifespan can be achieved, and thus operational stability is secured.Type: ApplicationFiled: September 30, 2008Publication date: June 4, 2009Applicant: ELECTRONIC AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Dae Yong KIM, Hyun Tak KIM
-
Patent number: 7537505Abstract: To provide a method of manufacturing a field emission display having an improved electron emission effect by means of laser irradiation and accordingly mitigating a luminance fluctuation among pixels, and other such techniques. Provided is a method of manufacturing a field emission display which includes a cathode substrate and a fluorescent screen glass opposed to the cathode substrate and emits light when an electron emitted from a carbon nanotube printed layer (7) containing a carbon nanotube of the cathode electrode enters a fluorescent material of the fluorescent screen glass, the method including a laser beam irradiation step of irradiating a surface of the carbon nanotube printed layer (7) with a laser beam having its energy density to be spatially modulated to expose and raise the carbon nanotube of the carbon nanotube printed layer so as to form a laser irradiation part (B) and a non-laser irradiation part (C).Type: GrantFiled: March 23, 2005Date of Patent: May 26, 2009Assignee: Mitsubishi Denki Kabushiki KaishaInventors: Tetsuya Shiroishi, Akihiko Hosono, Shuhei Nakata, Yoshihito Imai, Takaaki Iwata
-
Publication number: 20090124159Abstract: The invention relates to a method of fabrication of cold cathodes by irradiation of doped Diamond Like Carbon (DLC) films with multicharged ions. According to the invention each multicharged ion prints on the surface an isolative dot from which, directly or after a conditioning process, one can extract at room temperature intense electronic currents with very low electric fields. These dots may be printed on very inexpensive DLC films on areas, of predetermined shapes, sizes and emissivity. The invention also relates to the corresponding emissive surfaces and all applications of the method to the fabrication of electron guns of exceptional intensity and geometrical properties and owning very low energy consumption to be used for portable instruments. These cold cathodes may be used in all instruments based on electron beams, such as flat panel displays, x ray or all electronic tubes, vacuum components and so on.Type: ApplicationFiled: February 19, 2008Publication date: May 14, 2009Inventor: Jean Pierre Briand
-
Patent number: 7527988Abstract: A field emission display device and a method of fabricating the same are provided. The field emission display device may include a substrate, a transparent cathode layer, an insulation layer, a gate electrode, a resistance layer, and carbon nanotubes. The transparent cathode layer is deposited on the substrate. The insulation layer is formed on the cathode layer and has a well exposing the cathode layer. The gate electrode is formed on the insulation layer and has an opening corresponding to the well. The resistance layer is formed to surround the surface of the gate electrode and the inner walls of the opening and the well so as to block ultraviolet rays. The carbon nanotube field emitting source is positioned on the exposed cathode layer.Type: GrantFiled: September 27, 2004Date of Patent: May 5, 2009Assignee: Samsung SDI Co., Ltd.Inventors: Hang-woo Lee, Sang-jin Lee, Shang-hyeun Park
-
Publication number: 20090091257Abstract: A display apparatus includes a display substrate having an element isolation film surrounding peripheral edges of a plurality of first electrodes, and a laminated area composed of a second electrode and auxiliary electrodes and disposed on the element isolation film. Each of the auxiliary electrode is composed of first auxiliary electrodes arranged in a broken line pattern, and second auxiliary electrodes provided on the first auxiliary electrodes so as to cover areas where the first auxiliary electrodes are not provided. A wiring interval between auxiliary electrodes is smaller than a wiring length of an auxiliary electrode, and the film thickness of each of the first auxiliary electrodes is in the range of 5 to 30 nm.Type: ApplicationFiled: September 25, 2008Publication date: April 9, 2009Applicant: CANON KABUSHIKI KAISHAInventor: Hideki Yoshinaga
-
Patent number: 7507135Abstract: In a method of manufacturing a field emitter, a patterned conductive layer is formed on a substrate, an upper surface of the conductive layer is coated with a mixture of a field emission material and metal powder, the mixture is thermally treated to improve adhesion of the mixture to the conductive layer, and a field emission material and a metal deposited on a portion of the substrate other than the conductive layer are removed. Accordingly, the lifespan and field emission characteristic of the field emitter are greatly improved, and a large area field emitter having excellent characteristics that cannot be realized in the conventional art is fabricated.Type: GrantFiled: February 3, 2005Date of Patent: March 24, 2009Assignee: Samsung SDI Co., Ltd.Inventors: Sang-Hyun Lee, Jeong-Hee Lee, Shang-Hyeun Park, Tae-Won Jeong, Jung-Na Heo, Won-Seok Kim
-
Publication number: 20090072705Abstract: An electron emission device includes a base substrate, at least one isolation layer on the base substrate, the isolation layer having a first lateral side and a second lateral side opposite the first lateral side, first and second electrodes on the base substrate along the first and second lateral sides of the isolation layer, respectively, a first electron emission layer between the first electrode and the first lateral side of the isolation layer, and a second electron emission layer between the second electrode and the second lateral side of the isolation layer.Type: ApplicationFiled: June 9, 2008Publication date: March 19, 2009Inventors: Hyun-Ki Park, Hee-Sung Moon, Yoon-Jin Kim, Jae-Myung Kim, Kyu-Nam Joo, So-Ra Lee
-
Publication number: 20090068918Abstract: A method of making an inorganic light-emitting diode display having a plurality of light-emitting elements including providing a substrate, and forming a plurality of patterned electrodes over the substrate. A raised area is formed around each patterned electrode to provide a well before depositing a dispersion containing inorganic, light-emissive core/shell nano-particles into each well. The dispersion is dried to form a light-emitting layer including the inorganic, light-emissive core/shell nano-particles. An unpatterned, common electrode is formed over the light-emitting layer. The light-emitting layer emits light by the recombination of holes and electrons supplied by the electrodes.Type: ApplicationFiled: November 7, 2008Publication date: March 12, 2009Inventor: Ronald S. Cok
-
Patent number: 7494396Abstract: A method of fabricating an electrode for an organic electroluminescent device includes forming a transparent conductive layer on a substrate, doping the transparent conductive layer with impurities, and annealing the doped transparent conductive layer.Type: GrantFiled: June 30, 2005Date of Patent: February 24, 2009Assignee: LG Display Co., Ltd.Inventors: Nack-Bong Choi, Kwang-Yeon Lee
-
Publication number: 20090038683Abstract: A device is fabricated by a method in which a conductive layer or layer stack is formed over a compressible layer or layer stack, and contacted with an embossing tool. Raised portions of the embossing tool compress the compressible layer or stack and countersink the conductive layer or stack into the compressible layer or stack.Type: ApplicationFiled: November 14, 2006Publication date: February 12, 2009Inventors: Harald Walter, Tilman Beierlein
-
Publication number: 20090015163Abstract: The invention relates to a gas discharge lamp having at least one electrode and to a method for producing an electrode. According to the invention, the structure of a section (30) of the electrode (20, 22) is at least partially transformed by means of high-energy radiation, preferably laser radiation.Type: ApplicationFiled: March 21, 2006Publication date: January 15, 2009Applicant: Patent-Treuhand-Gesellschhaft Fur Elektrische Gluhlampen MBHInventors: Jurgen Becker, Jianping Liu
-
Patent number: 7462991Abstract: A method of making cathodes includes forming a first intermediate assembly having a current wire in juxtaposition with an outer mandrel wire and a basket wire wound around the first two wires. The first intermediate assembly is wound around a central mandrel to form a second intermediate assembly. Pulses of energy are used to produce an alloy solder joint between the current wire and the basket wire at selected locations. The second intermediate assembly is cut into segments, and the mandrels are removed. This results in a cathode having a coiled current wire and a basket wire wound around the current wire, with the basket wire being bonded to the current wire by the alloy solder joints. The cathode includes a central bore that is substantially free of the alloy solder joint.Type: GrantFiled: February 16, 2005Date of Patent: December 9, 2008Assignee: Elmet Technologies, Inc.Inventors: Bruce R. Tremblay, Kevin L. McLoughlin
-
Publication number: 20080290777Abstract: A method of forming an electron emitter structure for use in a field emission display, or as a field emission backlight for an LCD display is provided. The electron emitter structure is formed by depositing mask elements onto an laminar Al substrate, and etching the Al substrate chemically through gaps between the mask elements, such that a spikes are formed on the substrate. These spikes are then covered with an electron emitter material. The spikes can be formed with a desired pitch/height ratio.Type: ApplicationFiled: May 16, 2008Publication date: November 27, 2008Applicant: SONY CORPORATIONInventor: Hiroyuki OKITA