Having Intersecting Electrode Sets Patents (Class 313/584)
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Patent number: 10609816Abstract: A stretchable conductive pattern includes a plurality of first closed loop parts spaced apart from each other in a first direction, and at least one first line part extended in the first direction and connecting between adjacent first closed loop parts among the plurality of first closed loop parts.Type: GrantFiled: May 20, 2015Date of Patent: March 31, 2020Assignee: Samsung Display Co., Ltd.Inventor: Byung Han Yoo
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Patent number: 10493847Abstract: A decoration panel used as an operation button includes a decoration section between a front translucent member and a rear translucent member, and the decoration section includes a counter reflection layer superposed on a rear face of a light-shield layer. A rear reflection layer is provided between the rear translucent member and a translucent member for illumination. The decoration section is displayed as if floating at an intermediate position in a depth direction. In addition, a surface of the decoration section oriented to the rear side constitutes a counter reflection surface.Type: GrantFiled: September 25, 2018Date of Patent: December 3, 2019Assignee: Alpine Electronics, Inc.Inventors: Yusuke Yoshida, Shigeyuki Oshima, Satoru Aimi
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Patent number: 10082914Abstract: A capacitive touch sensitive device includes a matrix of pads patterned in a first electrically conductive material on a substrate. Horizontally adjacent pads within each even row of the matrix are electrically coupled to one another via channels to form a plurality of horizontally arranged electrodes. Insulators are positioned over respective channels. Conductive links are formed over respective insulators and are configured to electrically couple vertically adjacent pads between odd rows of the matrix to form a plurality of vertically arranged electrodes. The dimensions of the channels and the conductive links are configured such that an RC time-constant (RCtc) of each of the vertically arranged electrodes substantially matches an RCtc of each of the horizontally arranged electrodes.Type: GrantFiled: August 26, 2015Date of Patent: September 25, 2018Assignee: Elo Touch Solutions, Inc.Inventor: Kyu-Tak Son
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Patent number: 9985085Abstract: An array substrate, a manufacturing method thereof, and a display device, the array substrate comprises: a base substrate; a plurality of light emitting units disposed on the base substrate to constitute a light emitting region, a display region driving circuit electrically connected to the plurality of light emitting units; and a peripheral circuit disposed at a periphery of the display region driving circuit, at least one light emitting unit is located on the peripheral circuit, and an orthographic projection of the at least one light emitting unit on the base substrate and an orthographic projection of the peripheral circuit on the base substrate have an overlapping portion there-between. The array substrate can realize a narrow frame design.Type: GrantFiled: September 24, 2015Date of Patent: May 29, 2018Assignees: BOE TECHNOLOGY GROUP CO., LTD., CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Wenbin Yang, Yanxia Xin, Qing Chang, Yuedong Shang
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Patent number: 9754554Abstract: The present invention provides a pixel structure, which includes a plurality of sub-pixels arranged in the form of a point lattice exhibiting a honeycomb configuration comprising honeycomb cells each showing a regular hexagon having edges that have a length a; for two rows of the sub-pixels that are adjacent to each other in an up-down direction, the sub-pixels of one of the rows are arranged in a horizontal direction such that spacing distances therebetween are of an alternate arrangement of a and 2a, wherein for every two sub-pixels of which the spacing distance therebetween is a, the one of the sub-pixels that is located at the right-hand side is a first color sub-pixel (1), while the one of the sub-pixels that is located at the left-hand side is a second color sub-pixel (2); and, the sub-pixels of the other one of the rows are arranged in a horizontal direction such that spacing distances therebetween are of an alternate arrangement of 2a and a, wherein for every two sub-pixels of which the spacing distanType: GrantFiled: December 23, 2015Date of Patent: September 5, 2017Assignee: WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Liang Xu, Chiying Lin
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Patent number: 9472616Abstract: A method of making a silicon-on-insulator (SOI) semiconductor device includes etching an undercut isolation trench into an SOI substrate, the SOI substrate comprising a bottom substrate, a buried oxide (BOX) layer formed on the bottom substrate, and a top SOI layer formed on the BOX layer, wherein the undercut isolation trench extends through the top SOI layer and the BOX layer and into the bottom substrate such that a portion of the undercut isolation trench is located in the bottom substrate underneath the BOX layer. The undercut isolation trench is filled with an undercut fill comprising an insulating material to form an undercut isolation region. A field effect transistor (FET) device is formed on the top SOI layer adjacent to the undercut isolation region, wherein the undercut isolation region extends underneath a source/drain region of the FET.Type: GrantFiled: September 22, 2015Date of Patent: October 18, 2016Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATIONInventors: Kangguo Cheng, Bruce B. Doris, Balasubramanian Pranatharthiharan, Shom Ponoth, Theodorus E. Standaert, Tenko Yamashita
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Patent number: 8796927Abstract: A plasma cell and a method for making a plasma cell are disclosed. In accordance with an embodiment of the present invention, a cell comprises a semiconductor material, an opening disposed in the semiconductor material, a dielectric layer lining a surface of the opening, a cap layer closing the opening, a first electrode disposed adjacent the opening, and a second electrode disposed adjacent the opening.Type: GrantFiled: February 3, 2012Date of Patent: August 5, 2014Assignee: Infineon Technologies AGInventor: Dirk Meinhold
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Publication number: 20140197728Abstract: A plasma display panel includes an effective display region and a non-display region disposed outside the effective display region. A front plate includes sustain electrodes and scan electrodes, over a region corresponding to the effective display region and a region corresponding to the non-display region. Each of the plurality of the sustain electrodes includes a first part, a second part disposed away from the first part, and a third part for electrically coupling the first part with the second part. Moreover, the each of the plurality of the sustain electrodes is such that each of the first part and the second part includes a detached part in the region corresponding to the non-display region. The detached parts included in one of the sustain electrodes are disposed at different positions from each other in an extension direction of the sustain electrodes.Type: ApplicationFiled: January 16, 2013Publication date: July 17, 2014Applicant: Panasonic CorporationInventors: Kazuya Nomoto, Yoshito Tanaka, Yuki Kishi, Shiro Ninomiya, Toru Nakajima, Hidetoshi Hata, Kenji Kiriyama, Kentaro Ueda
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Patent number: 8703019Abstract: A phosphor which emits light having high brightness, serves as an excellent orange or red phosphor whose light brightness is less decreased when exposed to an excitation source contains a crystal phase having the chemical composition expressed by the general formula [1]: (1?a?b)(Ln?pMII?1?pMIII?MIV?N3).a(MIV?(3n+2)/4NnO).b(AMIV?2N3)??[1] wherein Ln? represents a metal element selected from the group consisting of lanthanoids, Mn, and Ti; MnII? represents a divalent metal element except the Ln? element; MIII? represents a trivalent metal element; MIV? represents a tetravalent metal element; A represents a metal element selected from the group consisting of Li, Na, and K; 0<p?0.2; 0?a, 0?b, a+b>0, 0?n, and 0.002?(3n+2)a/4?0.9.Type: GrantFiled: May 22, 2012Date of Patent: April 22, 2014Assignees: Mitsubishi Chemical Corporation, Independent Administrative Institution National Institute for Materials ScienceInventors: Naoto Hirosaki, Takatoshi Seto, Naoto Kijima
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Publication number: 20130307408Abstract: A luminous array film-type display device having a multi-curved screen comprises, a luminous array film such as plasma tube array (PTA) and a support member supporting the luminous array film. The support member having a support surface that is curved continuously in one direction with at least two curvature radii supports the luminous array film along the curved surface.Type: ApplicationFiled: April 19, 2013Publication date: November 21, 2013Applicant: Shinoda Plasma Co., Ltd.Inventors: Hitoshi HIRAKAWA, Koji Shinohe, Yukihoto Namekawa, Tetsuya Makino, Katsuhiko Itamasu
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Patent number: 8508129Abstract: A plasma display panel equipped with a front substrate and a back substrate facing each other to form a discharge space. On the discharge space side of the front substrate there are disposed a metal oxide layer and magnesium oxide crystal particles. The magnesium oxide crystal particles are arranged to be protruding closer to the discharge space than the surface of the metal oxide layer.Type: GrantFiled: November 29, 2011Date of Patent: August 13, 2013Assignee: Panasonic CorporationInventors: Taro Naoi, Hai Lin, Eishiro Otani, Hiroshi Ito
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Patent number: 8482199Abstract: A plasma display panel (PDP) comprises: a front substrate and a rear substrate which face each other; and a barrier wall which is interposed between the front substrate and the rear substrate, which includes base portions arranged on either side of a main discharge space, and protruding portions protruding on the base portions, respectively, and which defines stepped spaces on either side of the main discharge space. The stepped spaces are formed according to stepped surfaces formed by the base portions and the protruding portions. The PDP further comprises a pair of a scan electrode and a sustain electrode which generate a mutual discharge through the main discharge space. A channel space is defined by outer walls of the protruding portions on either side of the main discharge space, and an external light absorbing layer covers the channel space.Type: GrantFiled: August 6, 2010Date of Patent: July 9, 2013Assignee: Samsung SDI Co., Ltd.Inventors: Eui-Jeong Hwang, Hyoung-Bin Park, Sang-Ho Jeon, Seung-Hyun Son, Hyun-Chul Kim, Hyeon-Seok Kim, Bok-Chun Yun, Sil-Keun Jeong, Jung-Min Kim, Sung-Hyun Choi, Sang-Hyuck Ahn, Sung-Hee Cho, Gi-Young Kim, Myoung-Sup Kim, Hye-Jung Lee
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Patent number: 8467119Abstract: An electrochromic display device including: a first substrate; first electrodes parallely extending on the first substrate; a second substrate opposite to the first substrate; second electrodes parallely extending in a direction orthogonal to the first electrodes on the second substrate; and an electrochromic composition layer between the substrates, wherein the device is passive-matrix driven to perform a display by energization between the electrodes, and to perform erasing of the display by energization in a reverse direction, a pixel is formed in a portion where the first electrodes sterically intersect with the second electrodes, and metal electrical wires extending over the regions between the second electrodes and the second substrate along the second electrodes, each of metal electrical wires being conductively connected to each of the second electrodes corresponding to any one of the regions, and insulated from each of the second electrodes corresponding to the other regions.Type: GrantFiled: July 26, 2011Date of Patent: June 18, 2013Assignees: Funai Electric Advanced Applied Technology Research Institute Inc., Funai Electric Co., Ltd.Inventors: Wu Weng, Toshimi Fukuoka, Tetsuya Higuchi, Masao Suzuki, Masatoshi Ono
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Patent number: 8456086Abstract: An embodiment of the invention IS an array of microcavity plasma devices The array includes a first metal film electrode with a plurality of non-uniform cross-section microcavities therein that are encapsulated in oxide A second electrode is a thin metal foil encapsulated in oxide that is bonded to the first electrode A packaging layer contains gas or vapor in the non-uniform cross-section microcavities To make such device, photoresist is patterned to encapsulate the anodized foil or film except on a top surface at desired positions of microcavities A second anodization or electrochemical etching is conducted to form the non-uniform cross-section sidewall microcavities cavities After removing photoresist and metal oxide, a final anodization lines the walls of the microcavities with metal oxide and fully encapsulates the metal electrodes with metal oxide.Type: GrantFiled: October 27, 2008Date of Patent: June 4, 2013Assignee: The Board of Trustees of the University of IllinoisInventors: J. Gary Eden, Sung-Jin Park, Kwang Soo, Andrew J. Price
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Patent number: 8415871Abstract: An image display apparatus has a plurality of phosphor films two-dimensionally disposed on a substrate, a matrix-pattern rib formed on the substrate to partition between the phosphor films, a plurality of metal backs each covering at least one phosphor film, and resistance wirings having a sheet resistance higher than that of the metal backs for electrically connecting the plurality of metal backs to each other. The resistance wirings are disposed to the apexes of the matrix-pattern rib and composed of a plurality of column lines and a plurality of row lines, the metal backs have first portions for covering the phosphor films on the substrate and second portions formed along the rib to connect the first portions to the column lines.Type: GrantFiled: December 4, 2009Date of Patent: April 9, 2013Assignee: Canon Kabushiki KaishaInventor: Tomoya Onishi
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Patent number: 8410693Abstract: A plasma display panel includes a rear plate and a front plate arranged as opposed to the rear plate. The rear plate has a vertical barrier rib and a horizontal barrier rib orthogonal to the vertical barrier rib. The front plate has a first transparent electrode in parallel with the horizontal barrier rib and a plurality of second transparent electrodes in parallel with the vertical barrier rib. The front plate further has a plurality of bus electrodes having the same width and arranged with the same interval. The plurality of bus electrodes includes a first bus electrode electrically connected with the first transparent electrode, and a second bus electrode electrically connected with the plurality of second transparent electrodes. The second bus electrode is formed in a position opposed to the horizontal barrier rib.Type: GrantFiled: February 1, 2011Date of Patent: April 2, 2013Assignee: Panasonic CorporationInventors: Koichi Mizuno, Shinichiro Hori, Eishiro Otani
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Patent number: 8404558Abstract: In a preferred method of formation embodiment, a metal foil or film is obtained or formed with micro-holes. The foil is anodized to form metal oxide. One or more self-patterned metal electrodes are automatically formed and buried in the metal oxide created by the anodization process. The electrodes form in a closed circumference around each microcavity in a plane(s) transverse to the microcavity axis, and can be electrically isolated or connected. Preferred embodiments provide inexpensive microplasma device electrode structures and a fabrication method for realizing microplasma arrays that are lightweight and scalable to large areas. Electrodes buried in metal oxide and complex patterns of electrodes can also be formed without reference to microplasma devices—that is, for general electrical circuitry.Type: GrantFiled: July 22, 2011Date of Patent: March 26, 2013Assignee: The Board of Trustees of the University of IllinoisInventors: J. Gary Eden, Sung-Jin Park, Kwang-Soo Kim
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Patent number: 8361346Abstract: The invention provides a phosphor composed of (M1?xREx)5SiO4?yX6+2y, wherein M is Ba individually or in combination with at least one of Mg, Ca, Sr, or Zn; RE is Y, La, Pr, Nd, Eu, Gd, Tb, Ce, Dy, Yb, Er, Sc, Mn, Zn, Cu, Ni, or Lu; X is F, Cl, Br, or combinations thereof; 0.001?x?0.6, and 0.001?y?1.5. Under excitation, the phosphor of the invention emits visible light and may be collocated with other phosphors to provide a white light illumination device.Type: GrantFiled: December 28, 2009Date of Patent: January 29, 2013Assignee: Industrial Technology Research InstituteInventors: Wei-Jen Liu, Yi-Chen Chiu, Yao-Tsung Yeh, Shyue-Ming Jang, Teng-Ming Chen, Jen-Chuen Liao, Li-Ching Chuo, Fang-Yi Su
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Patent number: 8361347Abstract: The blue phosphor of the present invention includes ZrO2 and a metal aluminate that is represented by the general formula aBaO.bSrO.(1?a?b)EuO.cMgO.dAlO3/2.eWO3, where 0.70?a?0.95, 0?b?0.15, 0.95?c?1.15, 9.00?d?11.00, 0.001?e?0.200, and a+b?0.97 are satisfied. This blue phosphor has a ZrO2 content of 0.01 to 1.00% by weight. In the blue phosphor of the present invention, two peaks whose tops are located in a range of diffraction angle 2?=13.0 to 13.6 degrees are present in an X-ray diffraction pattern obtained by measurement on the blue phosphor using an X-ray with a wavelength of 0.774 ?.Type: GrantFiled: July 3, 2009Date of Patent: January 29, 2013Assignee: Panasonic CorporationInventors: Kojiro Okuyama, Yayoi Okui, Seigo Shiraishi
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Patent number: 8350474Abstract: A plasma display panel includes a front plate and a rear plate disposed in such a manner as to face the front plate. The front plate has a display electrode and a dielectric layer covering the display electrode. The dielectric layer contains substantially no lead components but contains MgO, SiO2, and K2O. A content of MgO is in a range between 0.3 mol % and 1.0 mol %, both inclusive. The content of SiO2 is in a range between 35 mol % and 50 mol %, both inclusive.Type: GrantFiled: December 17, 2010Date of Patent: January 8, 2013Assignee: Panasonic CorporationInventors: Yoshiyuki Ota, Kazuhiro Morioka, Akira Kawase, Morio Fujitani, Tatsuo Mifune
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Patent number: 8350473Abstract: A plasma display panel is disclosed. The plasma display panel includes a front substrate, a rear substrate positioned to be opposite to the front substrate, a barrier rib positioned between the front substrate and the rear substrate to partition a discharge cell, and a phosphor layer positioned in the discharge cell. The phosphor layer includes a phosphor material and an additive material. The phosphor layer includes a red phosphor layer emitting red light, a green phosphor layer emitting green light, and a blue phosphor layer emitting blue light. A thickness of the blue phosphor layer is larger than a thickness of the red phosphor layer.Type: GrantFiled: February 28, 2008Date of Patent: January 8, 2013Assignee: LG Electronics Inc.Inventors: Jihoon Lee, Heekwon Kim, Jeonghyun Hahm
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Patent number: 8339041Abstract: A gas discharge device constructed out of one or more plasma-shells with an organic luminescent substance(s) located in close proximity to each plasma-shell. Each plasma-shell is a hollow geometric body filled with an ionizable gas. Photons from the gas discharge inside the plasma-shell excite the luminescent substance. In one embodiment the luminescent substance is located on the external surface of the plasma-shell. In another embodiment, the luminescent substance is located inside the plasma-shell. The plasma-shell may be made of an inorganic luminescent material with organic luminescent material located on the inside or outside of the plasma-shell. The plasma-shell is of any suitable geometric shape and includes plasma-sphere, plasma-disc, and plasma-dome. A plasma-shell may be used in combination with a plasma-tube.Type: GrantFiled: November 15, 2010Date of Patent: December 25, 2012Assignee: Imaging Systems Technology, Inc.Inventors: Oliver M. Strbik, III, Carol Ann Wedding
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Patent number: 8334820Abstract: A plasma display panel is disclosed. The plasma display panel includes a scan electrode and a sustain electrode positioned parallel to each other on a front substrate, an upper dielectric layer positioned on the scan electrode and the sustain electrode, a rear substrate on which an address electrode is positioned to intersect the scan electrode and the sustain electrode, a lower dielectric layer positioned on the address electrode, and a barrier rib positioned between the front substrate and the rear substrate. The barrier rib includes lead (Pb) equal to or less than 1,000 ppm (parts per million). A discharge gas is filled between the front substrate and the rear substrate and includes helium (He) of 9% to 42%.Type: GrantFiled: October 31, 2007Date of Patent: December 18, 2012Assignee: LG Electronics Inc.Inventors: Seongnam Ryu, Gibum Lee, Jongmun Yang, Jain Goo, Hyeonjae Lee, Jinyoung Kim, Jeonghyun Hahm, Myongsoon Jung, Jihoon Lee
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Patent number: 8319705Abstract: The plasma display device has a display panel having first and second display electrodes and address electrodes, an electrode drive circuit, and a drive control circuit for controlling the electrode drive circuit. The drive control circuit performs a reset drive control, address drive control and sustain drive control in each subfield. The drive control circuit performs an all cell reset drive control which resets all cells in a first subfield out of the plurality of subfields, and an ON cell reset drive control which resets ON cells in a second subfield. At a first temperature T1, an ultimate potential of an slope pulse of the first display electrode is controlled to be a first potential in the ON cell reset drive control, and at a second temperature T2>T1, the ultimate potential is controlled to be a second potential higher than the first potential.Type: GrantFiled: November 25, 2008Date of Patent: November 27, 2012Assignee: Hitachi, Ltd.Inventors: Junichi Kumagai, Katsumi Ito
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Patent number: 8268192Abstract: A blue phosphor, a display device including the same, and associated methods, the blue phosphor including BaMgAl10O17:Eu (BAM) phosphor particles having a surface component and an internal component, wherein an aluminum/barium (Al/Ba) molar ratio of the surface component of the phosphor particles is 1.1 to about 1.4 times the Al/Ba molar ratio of the internal component of the phosphor particles, and the Al/Ba molar ratios are continuously variable between the internal component and the surface component.Type: GrantFiled: July 31, 2009Date of Patent: September 18, 2012Assignee: Samsung SDI Co., Ltd.Inventors: Ick-Kyu Choi, Yoon-Chang Kim, Do-Hyung Park, Mi-Ran Song, Hyun-Deok Lee, Ji-Hyun Kim, Yu-Mi Song, Jay-Hyok Song, Young-Hun Lee, Min-Ju Kim, Jin-Hyoung Seo, Young-Ki Kim
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Patent number: 8264145Abstract: A display filter includes a base layer having a plurality of structures, the plurality of structures being projected from a first surface of the base layer, an external light shielding layer on the plurality of structures, the external layer being on an upper surface and on a first side surface of the structures, and an electromagnetic wave shielding layer on the plurality of structures, the electromagnetic wave shielding layer being on the upper surface and on a second side surface of the structures, the first and second side surfaces of the structures being opposite each other, and a portion of the external light shielding layer being between the structures and a portion of the electromagnetic wave shielding layer.Type: GrantFiled: November 24, 2009Date of Patent: September 11, 2012Assignee: Samsung SDI Co., Ltd.Inventors: Jinyoung Lee, Sungyong Lee, Jaehyung Kim
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Patent number: 8258700Abstract: A plasma display panel has a front substrate (3) and a back substrate (2) arranged opposed to each other through a discharge space (4). On the back substrate, a fluorescent layer (5) is formed. On the front substrate, display electrodes are formed extending in a horizontal direction, a discharge cell area is demarcated corresponding to the display electrodes, and a plurality of shielding films (13) extending in the horizontal direction are moreover formed at each position which is among the display electrodes and within the discharge cell area. When the distance between the shielding films and the fluorescent layer is set to be D, the width L of a shielding film and the distance S between the shielding films satisfy 0.58?L?D and D?S?1.73D. This reduces the reflectance ratio of outdoor daylight to improve lighted room contrast.Type: GrantFiled: May 7, 2007Date of Patent: September 4, 2012Assignee: Hitachi, Ltd.Inventors: Akira Otsuka, Takashi Sasaki
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Patent number: 8258701Abstract: A plasma display panel equipped with a front substrate and a back substrate facing each other to form a discharge space. On the discharge space side of the front substrate there are disposed a metal oxide layer and magnesium oxide crystal particles. Among the magnesium oxide crystal particles there are magnesium oxide crystal particles having a particle diameter of at least 3500 angstroms.Type: GrantFiled: July 15, 2011Date of Patent: September 4, 2012Assignee: Panasonic CorporationInventors: Taro Naoi, Hai Lin, Eishiro Otani, Hiroshi Ito
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Publication number: 20120187828Abstract: A plasma display panel includes first and second substrates opposite to each other; a plurality of address electrodes disposed on one surface of the first substrate; a plurality of display electrodes disposed in a perpendicular direction to the address electrodes on one surface of the second substrate; and red, green, and blue phosphor layers disposed in a discharge space between the first and second substrates. At least one of the phosphor layers include a phosphor coated with a metal.Type: ApplicationFiled: September 20, 2011Publication date: July 26, 2012Inventors: Young-Kwan Kim, Eun-Gi Heo, Kyung-Cheol Choi, Seong-Min Lee
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Patent number: 8227986Abstract: Provided are a film unit which can protect a screen of a display device by absorbing and spreading an impact applied from the outside of the display device, and a plasma display panel having the film unit. The film unit includes a base film having a predetermined area and thickness and provided with a plurality of openings formed in a direction of the thickness thereof; and a cover layer sealing tops of the plurality of openings so that a self-elasticity is formed by an air layer positioned in a closed space of the opening.Type: GrantFiled: February 10, 2009Date of Patent: July 24, 2012Assignee: Samsung SDI Co., Ltd.Inventors: Do-Hyuk Kwon, Sung-Yong Lee
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Patent number: 8222815Abstract: A PDP includes a first substrate and a second substrate facing each other, a plurality of first discharge electrodes on the first substrate, a first dielectric layer covering the plurality of first discharge electrodes, and a plurality of second discharge electrodes on the second substrate to cross the plurality of first discharge electrodes, wherein a difference between thermal expansion coefficients of the first substrate and the first dielectric layer is greater than or equal to about 2×10?7/° C. and less than or equal to about 17×10?7/° C.Type: GrantFiled: August 25, 2009Date of Patent: July 17, 2012Assignee: Samsung SDI Co., Ltd.Inventors: Tae-Joung Kweon, Sung-Hune Yoo
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Patent number: 8207671Abstract: A plasma display panel including: a first substrate and a second substrate utilized to display images; a dielectric wall disposed between the first and second substrates and defining a plurality of discharge cells; a first discharge electrode disposed in the dielectric wall; a second discharge electrode disposed on the second substrate to cross the first discharge electrode; and a phosphor layer formed on the first substrate. Accordingly, plasma can efficiently arrive at the phosphor layer, thereby increasing discharge efficiency.Type: GrantFiled: June 5, 2008Date of Patent: June 26, 2012Assignee: Samsung SDI Co., Ltd.Inventors: Yong-Shik Hwang, Kyoung-Doo Kang, Won-Ju Yi, Jae-Ik Kwon
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Patent number: 8206611Abstract: A phosphor which emits light having high brightness, serves as an excellent orange or red phosphor whose light brightness is less decreased when exposed to an excitation source contains a crystal phase having the chemical composition expressed by the general formula [1]: (1?a?b)(Ln?pMII?1?pMIII?MIV?N3).a(MIV?(3n+2)/4NnO).b(AMIV?2N3)??[1] wherein Ln? represents a metal element selected from the group consisting of lanthanoids, Mn, and Ti; MnII? represents a divalent metal element except the Ln? element; MIII? represents a trivalent metal element; MIV? represents a tetravalent metal element; A represents a metal element selected from the group consisting of Li, Na, and K; 0<p?0.2; 0?a, 0?b, a+b>0, 0?n, and 0.002?(3n+2)a/4?0.9.Type: GrantFiled: May 24, 2006Date of Patent: June 26, 2012Assignees: Mitsubishi Chemical Corporation, Independent Administrative Institution National Institute for Materials ScienceInventors: Naoto Hirosaki, Takatoshi Seto, Naoto Kijima
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Patent number: 8207672Abstract: A technique for achieving both discharge voltage reduction and discharge stabilization in a PDP and the like is provided. This PDP manufacturing method includes, for a structure of a front plate structure (11) to be exposed to a discharge space (30) to be filled with a discharge gas, a step of forming a first layer (4) having an effect of discharge protective layer on a dielectric layer (3), a step of forming a second layer (5) for protecting the first layer on the first layer, and a step of forming a third layer (6) of a powder for discharge stabilization to be exposed to the discharge space (30), the steps being performed in vacuum manufacturing process. And, the structure is made such that a surface of the first layer is exposed to the discharge space (30) by a step of removing the second layer by an aging discharge in the discharge space (30).Type: GrantFiled: October 2, 2007Date of Patent: June 26, 2012Assignee: Hitachi, LtdInventors: Keiichi Betsui, Shinya Fukuta, Tadayoshi Kosaka, Minoru Hasegawa, Hajime Inoue, Yoshiho Seo, Tomonari Misawa
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Patent number: 8198813Abstract: A plasma display panel including a front panel including a front glass substrate, a display electrode formed on the substrate, a dielectric layer formed to cover the display electrode, and a protective layer formed on the dielectric layer; and a rear panel facing the front panel so that discharge space is formed and including an address electrode formed in a direction intersecting the display electrode, and a barrier rib for partitioning the discharge space. The protective layer includes a base film on the dielectric layer and aggregated particles of a plurality of aggregated metal-oxide crystal particles attached to the base film so that they are distributed over an entire surface. The aggregated particles are attached so that the number of aggregated particles per 10000 ?m2 is not less than 45 and not more than 350.Type: GrantFiled: January 27, 2009Date of Patent: June 12, 2012Assignee: Panasonic CorporationInventors: Yoshinao Ooe, Shinichiro Ishino, Yuichiro Miyamae, Koyo Sakamoto, Shinya Nakashima, Ryoichi Inoue, Kaname Mizokami
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Patent number: 8198810Abstract: 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: GrantFiled: December 3, 2009Date of Patent: June 12, 2012Assignee: Samsung SDI Co., Ltd.Inventors: Jaeseok Lim, Sangyoung Jin, Minhyung Kim, Heeyoul Yoon, Ria Ju, Younghak Pyo, Seunghyuck Paek, Sangchul Seo
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Publication number: 20120139411Abstract: In a plasma tube array-type display device, a first surface of the intermediate member, which is a flexible and bumpy intermediate member 4 interposed between a plasma tube array and a frame substrate, is attached with the rear surface of the plasma tube array at a top face of a plurality of convex portions provided on the first surface, and a second surface opposite to the first surface is attached with the frame substrate so as to define a screen shape, thereby the plasma tube array can be separated easily from the frame substrate.Type: ApplicationFiled: November 7, 2011Publication date: June 7, 2012Applicant: SHINODA PLASMA CO., LTDInventors: Yukiharu MIYAMURA, Koji SHINOHE, Katsuhiko ITAMASU
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Patent number: 8188661Abstract: A plasma display panel (PDP), which is capable of performing a display with a high brightness and having a low power consumption, includes a front panel having display electrodes formed, a dielectric layer covering the display electrodes, and a protective layer formed on the dielectric layer. Further, the PDP includes rear panel having address electrodes formed along a direction intersecting the display electrodes, and barrier ribs. The front and rear panels form, therebetween, a discharge space portioned by the barrier ribs and filled with discharge gas. A protective layer is formed of a metal oxide of MgO and CaO, such that an X-ray diffraction analysis on a surface of the protective layer indicates that the metal oxide has a peak between a diffraction angle where a peak of MgO occurs and a diffraction angle where a peak of CaO occurs along an identical orientation of the MgO peak.Type: GrantFiled: September 28, 2009Date of Patent: May 29, 2012Assignee: Panasonic CorporationInventors: Jun Hashimoto, Masashi Gotou, Yasuyuki Noguchi
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Patent number: 8183777Abstract: A high definition plasma display panel which can display a video of a higher brightness and yet can be driven at a low power consumption is realized. To this end, a plasma display panel includes front panel including display electrode formed on glass substrate, dielectric layer 8 covering display electrode, and protective layer formed on dielectric layer; and a rear panel opposing to front panel to form a discharge space filled with discharge gas, and including an address electrode formed along a direction intersecting with display electrode, and a barrier rib partitioning the discharge space. Protective layer is formed of a metal oxide made of magnesium oxide and calcium oxide and contains silicon. In an X-ray diffraction analysis on a surface of protective layer, a diffraction angle where a peak of the metal oxide occurs exists between a diffraction angle where a peak of the magnesium oxide occurs and a diffraction angle where a peak of the calcium oxide occurs.Type: GrantFiled: December 10, 2009Date of Patent: May 22, 2012Assignee: Panasonic CorporationInventors: Jun Hashimoto, Masashi Gotou
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Patent number: 8183773Abstract: A plasma display panel (PDP) including a front substrate and a rear substrate facing each other, a partition wall interposed between the front substrate and the rear substrate to define a plurality of unit cells, each unit cell including a main discharge space, an auxiliary discharge space, and a step space, the auxiliary discharge space and the step space being on opposite sides of the main discharge space along a stepped sidewall of the partition wall, pairs of scanning and sustain electrodes arranged adjacent the auxiliary discharge spaces and to the step spaces, respectively, address electrodes extending to cross the scanning electrodes at a location adjacent to the auxiliary discharge spaces, a phosphor layer formed at least in the main discharge spaces, and discharge gas filling the unit cell.Type: GrantFiled: August 11, 2009Date of Patent: May 22, 2012Assignee: Samsung SDI Co., Ltd.Inventor: Seung-Hyun Son
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Patent number: 8183774Abstract: In a front plate for PDP, which includes: a large number of display electrodes formed in stripes on a substrate; a plurality of terminal groups for connection with an external drive circuit, each terminal group being formed along an edge of the substrate, the edge being extended in a direction orthogonal to an extending direction of the display electrode; and a large number of lead electrodes extended from the display electrodes, respectively, in a non-image display region on the substrate to gather toward any one of the terminal groups without intersecting each other, the lead electrodes being connected to corresponding terminals in the relevant terminal group, respectively, further, a large number of strip-shaped aid members for aiding formation of a dielectric layer are formed in a region located between the adjacent terminal groups. Thus, it is possible to make a circumference of a dielectric layer even although a dielectric material to be used is low in viscosity.Type: GrantFiled: December 11, 2008Date of Patent: May 22, 2012Assignee: Panasonic CorporationInventor: Shuzo Tsuchida
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Patent number: 8179041Abstract: A plasma display panel (PDP) includes a first plate, and a second plate disposed to face the first plate via a discharge space and providing barrier ribs. A plurality of first electrodes and a plurality of second electrodes extending in a first direction, and a dielectric layer covering the first electrodes and the second electrodes are provided on the first plate. A plurality of address electrodes extending in a second direction, and a protective layer covering the dielectric layer and the address electrodes and exposing at least a part of the protective layer to the discharge space are provided on the dielectric layer. The address electrodes are made up by including a conductive layer formed by either one of aluminum and an alloy containing aluminum and copper and by not including a layer of a simple substance of copper.Type: GrantFiled: September 4, 2008Date of Patent: May 15, 2012Assignees: Hitachi, Ltd., Hitachi Plasma Display LimitedInventors: Hideaki Yanagita, Masahiro Watabe, Takahiko Kato, Takashi Naito
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Patent number: 8174192Abstract: A plasma display panel includes a front panel having a front substrate having a plurality of arrays of display electrodes each including a scanning electrode and a sustain electrode opposed to each other with a discharge gap being defined therebetween and a rear panel having a rear substrate opposed to a front substrate and having partition walls for partitioning a discharge space between the rear panel and the front panel, data electrodes formed between partition walls in such a fashion that the data electrodes intersect with the display electrodes, and phosphor layers formed between partition walls, wherein the rear panel forms partition walls so as to divide the discharge space in a plurality of regions along a direction parallel to the data electrodes, and blue phosphor layers are formed on boundary parts of the plural regions.Type: GrantFiled: December 27, 2006Date of Patent: May 8, 2012Assignee: Panasonic CorporationInventors: Kentaro Ueda, Nobutaka Hokazono, Masanori Suzuki, Toshifumi Nagino, Ryuichi Murai
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Patent number: 8154864Abstract: The present invention is a robust LED display module for use in an electronic sign which display module includes a metallic housing, a heat conductive interface panel, an LED circuit board and LEDs, and a metallic mask arranged in intimate contact and association therewith, and which components operate synergistically in concert with each other in order to evenly distribute, reduce and dissipate heat along, about and within the structure of the present invention. Display uniformity is provided by the use of major metallic structures in order to prevent warpage and to protect the geometric integrity of the LED display module.Type: GrantFiled: August 21, 2008Date of Patent: April 10, 2012Assignee: Daktronics, Inc.Inventors: Nathan L. Nearman, Shannon Lee Mutschelknaus, Matthew R. Mueller, Douglas P. Tvedt, Kent S. Miller, Mark D. Dennis, John L. Hage, Ryan J. Nielsen
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Patent number: 8154203Abstract: A plasma display member does not cause an erroneous discharge in a display region end portion and includes: a substrate (1); a substantially stripe-shaped address electrode (2) arranged on the substrate (1); a dielectric layer (3) covering the address electrode (2) and a grid-shaped partition arranged on the dielectric layer (3) and having main walls (4) substantially parallel to the address electrode (2) and auxiliary walls (5) intersecting the main partitions (4). The auxiliary wall (5) intersecting the main wall (4) located at the outermost position among the main walls (4) located at non-display regions (7) at the right and left of a display region (6) has a bottom width identical to the bottom width (L1) of the main wall (4) located at the outermost position among the main walls (4) located at the non-display regions (7) at the right and left of the display region (6) which is multiplied by 0.3 to 1.0.Type: GrantFiled: July 30, 2007Date of Patent: April 10, 2012Assignee: Panasonic CorporationInventors: Minori Kamada, Kenichi Kawabe
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Patent number: 8154204Abstract: A plasma display panel includes a front plate having a dielectric layer covering a display electrode formed on a substrate and a protective layer formed on the dielectric layer, and a rear plate facing the front plate so as to form a discharge space. The plasma display panel also includes an address electrode in a direction crossing the display electrode, barrier ribs for partitioning the discharge space, and phosphor layers. The protective layer is constructed by forming a ground film on the dielectric layer and adhering agglomerated particles to the ground film. The agglomerated particles are produced by coagulating a plurality of crystal particles made of metal oxide.Type: GrantFiled: April 20, 2009Date of Patent: April 10, 2012Assignee: Panasonic CorporationInventors: Kaname Mizokami, Hiroshi Sogou, Shigeyuki Okumura
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Patent number: 8148898Abstract: A plasma display panel includes a first and a second panel. The first panel includes a first plate provided with a plurality of display electrodes extending in a first direction. The second panel includes a second plate facing the first plate via a discharge space, a plurality of first barrier ribs provided on the second plate, and a dent part opened to a side of the first plate. The dent part is provided in between the barrier ribs adjacent to each other. A width of the dent part along the first direction is formed to be narrower toward a side of the second plate from the side of the first plate for at least within a range from a position at a half of a depth to a bottom part of the dent part. As a result, a luminescent efficiency of the PDP can be improved.Type: GrantFiled: June 3, 2008Date of Patent: April 3, 2012Assignee: Hitachi, Ltd.Inventors: Hideaki Yanagita, Takashi Sasaki
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Patent number: 8143786Abstract: A plasma display panel includes a front panel including a glass front substrate, a display electrode formed on the substrate, a dielectric layer formed so as to cover the display electrode, and a protective layer formed on the dielectric layer; and a rear panel disposed facing the front panel so that discharge space is formed and including an address electrode formed in a direction intersecting the display electrode and a barrier rib partitioning the discharge space. The protective layer is formed by forming a base film on the dielectric layer and attaching a plurality of crystal particles made of metal oxide to the base film so as to be distributed over an entire surface at a covering rate of not less than 1% and not more than 15%.Type: GrantFiled: February 26, 2009Date of Patent: March 27, 2012Assignee: Panasonic CorporationInventors: Koyo Sakamoto, Shinichiro Ishino, Kaname Mizokami, Yuichiro Miyamae, Yoshinao Ooe
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Patent number: 8142685Abstract: A blue fluorescent material having excellent durability and a high luminance, especially one emitting a high-luminance light by the action of electron rays. The fluorescent material comprises inorganic crystals having a crystal structure which is an AlN crystalline, AlN polycrystalline, or AlN solid-solution crystalline structure. It is characterized in that the inorganic crystals contain at least europium in solution and have an oxygen content of 0.4 mass % or lower and that the fluorescent material emits fluorescence derived from divalent europium ions upon irradiation with an excitation source. More preferably, the fluorescent material contains a given metallic element and silicon. Also provided are a process for producing the fluorescent material and an illuminator including the blue fluorescent material.Type: GrantFiled: January 11, 2008Date of Patent: March 27, 2012Assignee: National Institute for Materials ScienceInventor: Naoto Hirosaki
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Patent number: RE44445Abstract: A partition is formed by the process including a step for providing a sheet-like partition material that covers a display area and outside thereof on the surface of the substrate, a step for providing a mask for patterning that covers the display area and the outside thereof, so that a pattern of the portion arranged outside of the display area of the mask is a grid-like pattern, a step for patterning the partition material covered partially with the mask by a sandblasting process, and a step for baking the partition material after the patterning.Type: GrantFiled: May 27, 2011Date of Patent: August 20, 2013Assignees: Hitachi Consumer Electronics Co., Ltd., Hitachi, Ltd.Inventors: Akihiro Fujinaga, Kazunori Ishizuka, Tatsutoshi Kanae, Kazuhide Iwasaki, Toshiyuki Nanto, Yoshimi Kawanami, Masayuki Shibata, Yasuhiko Kunii, Tadayoshi Kosaka, Osamu Toyoda, Yoshimi Shirakawa