Patents Assigned to Sharp
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Patent number: 7611642Abstract: The present invention provides an oxynitride phosphor represented by a composition formula M(1)1-jM(2)jSibAlcOdNe (composition formula I) or a composition formula M(1)1-a-jM(2)jCeaSibAlcOdNe (composition formula II) and containing 50% or more of a JEM phase, and a light emitting device including a semiconductor light emitting element emitting an excited light, a first phosphor that is the oxynitride phosphor according to the present invention that absorbs the excited light and emits a fluorescence, and a kind or a plurality of kinds of second phosphor(s) that absorb(s) the excited light and emit(s) a fluorescence having a longer wavelength than the fluorescence emitted by the first phosphor. Thereby, a novel oxynitride phosphor being capable of highly efficiently emitting mainly a light having a wavelength of 510 nm or less and a light emitting device using the same can be provided.Type: GrantFiled: June 6, 2007Date of Patent: November 3, 2009Assignees: Sharp Kabushiki Kaisha, National Institute for Materials ScienceInventors: Kohsei Takahashi, Naoto Hirosaki
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Patent number: 7611553Abstract: There are provided a dust collector for cleaning dirt, dust, etc. adhering to a filter in association with the operation for opening and closing a cap of the dust collector, and a vacuum cleaner provided with the dust collector. The dust collector 30 has a dust collection vessel having a cap 33c and a case 33d, a filter 34a for filtrating sucked dirt, dust, etc., and a ring 71 provided with a brush 70 for cleaning dirt, dust, etc. adhered to the filter 34a. The cap 33c is provided with support pins 73 that slide in association with the operation for opening the cap 33c, and the support pin 73 and the ring 71 are connected to each other. The ring 71 moves in association with the operation for opening the cap 33c, by which the filter 34a is cleaned.Type: GrantFiled: September 25, 2006Date of Patent: November 3, 2009Assignee: Sharp Kabushiki KaishaInventor: Shigenori Hato
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Patent number: 7613411Abstract: A fuser unit including: a set of a heat roller and a pressure roller for sandwiching and conveying a printing sheet while heating the printing sheet by the heat roller; a peripheral surface contact member which is in contact with the peripheral surface of the heat roller; an external heater for heating the peripheral surface contact member by applying electric energy; a contact member temperature sensor for detecting a temperature of the peripheral surface contact member; and a temperature controller for controlling an upper limit temperature of the peripheral surface contact member in accordance with the number of printing sheets conveyed per unit time.Type: GrantFiled: June 14, 2007Date of Patent: November 3, 2009Assignee: Sharp Kabushiki KaishaInventors: Yoshinobu Tateishi, Toyoaki Nanba, Hiroaki Hori, Toshiaki Kagawa, Tetsunori Mitsuoka
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Patent number: 7611992Abstract: A semiconductor light emitting element including a conductive substrate, a bonding metal layer formed on the conductive substrate, a barrier layer formed on the bonding metal layer, a reflective layer formed on the barrier layer, an ohmic electrode layer formed on the reflective layer, a second conductivity type semiconductor layer formed on the ohmic electrode layer, a light emitting layer formed on the second conductivity type semiconductor layer, and a first conductivity type semiconductor layer formed on the light emitting layer, wherein outer peripheries of the second conductivity type semiconductor layer, the light emitting layer, and the first conductivity type semiconductor layer are removed, and a method of manufacturing the same are provided.Type: GrantFiled: November 19, 2007Date of Patent: November 3, 2009Assignee: Sharp Kabushiki KaishaInventor: Atsuo Tsunoda
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Patent number: 7612327Abstract: An optical encoder of the invention has an OR circuit 21 to which light reception signals A+, B+ are inputted, an OR circuit 22 to which light reception signals A?, B? are inputted, and an AND circuit 23 to which an output signal C of the OR circuit 21 and an output signal D of the OR circuit 22 are inputted. In this optical encoder, a light reception signal A? shifted in phase by 180° from the light reception signal A+, and a light reception signal B? shifted in phase by 180° from the light reception signal B+, are inputted to the OR circuit 22 of the signal processing circuit 15. Thus, the signal processing circuit 15 does not need NOT circuits for inverting the light reception signal A+ and B+. This optical encoder can avoid occurrence of phase differences due to gate delay among signals and detect the mover with signals of excellent duty and periodic precisions.Type: GrantFiled: September 4, 2008Date of Patent: November 3, 2009Assignee: Sharp Kabushiki KaishaInventor: Norikazu Okada
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Patent number: 7611631Abstract: The invention provides an indium adsorbent that can cause indium to be adsorbed, and a simple and inexpensive indium fractioning method for isolating and recovering high-purity indium from an acid solution whose primary component is hydrochloric acid and that contains indium. A primary component of the indium adsorbent is an anion-exchange resin that has a crosslinked structure produced by the copolymerization of styrene or acrylamide and divinylbenzene, and at least one of a quaternary ammonium group and a tertiary ammonium group, and that is provided with an acid-adsorbing ability. An acid solution whose primary component is hydrochloric acid and that includes indium is brought into contact with the anion-exchange resin to cause indium to be adsorbed to the anion-exchange resin.Type: GrantFiled: July 7, 2005Date of Patent: November 3, 2009Assignees: Aquatech Corporation, Sharp Kabushiki KaishaInventors: Akifusai Ohnishi, Nobuaki Fujiwara, Hideki Doi, Toyokazu Matsunami, Hiroshi Tsubota, Toshiaki Muratani, Shoji Nishikawa, Shinichi Yamasaki, Takamichi Honma
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Patent number: 7612834Abstract: A parallax barrier is manufactured by forming a light-blocking layer by patterning a metal layer or a resin layer on a barrier glass in a photolithography step. On a mask used in the photolithography step, some pitches between slits are different, the slits corresponding to portions whereupon the light-blocking layers are to be formed. In addition, on the mask, first pitches (for instance, 100) and second pitches (for instance 99.5), which can be actually formed with accuracy, are formed in a cycle, and the average of such pitches can be accord with a theoretical pitch distance (for instance, 99.99). Thus, in the parallax barrier to be used for a multiple display device, visibility of the entire screen can be improved, and the parallax barrier which can be manufactured by using the mask lithography technology having a limited accuracy, and a method for manufacturing such parallax barrier are provided.Type: GrantFiled: June 26, 2006Date of Patent: November 3, 2009Assignee: Sharp Kabushiki KaishaInventors: Kazunori Tanimoto, Tatsuji Saitoh
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Patent number: 7612362Abstract: A nitride semiconductor light emitting device includes a substrate, and a first n-type nitride semiconductor layer, a light emitting layer, a first p-type nitride semiconductor layer, a second p-type nitride semiconductor layer, a p-type nitride semiconductor tunnel junction layer, an n-type nitride semiconductor tunnel junction layer and a second n-type nitride semiconductor layer that are formed on the substrate. The p-type nitride semiconductor tunnel junction layer and the n-type nitride semiconductor tunnel junction layer form a tunnel junction, and the p-type nitride semiconductor tunnel junction layer has an indium content ratio higher than that of the second p-type nitride semiconductor layer. At least one of the p-type nitride semiconductor tunnel junction layer and the n-type nitride semiconductor tunnel junction layer includes aluminum.Type: GrantFiled: November 16, 2007Date of Patent: November 3, 2009Assignee: Sharp Kabushiki KaishaInventor: Satoshi Komada
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Patent number: 7612750Abstract: A liquid crystal display device includes: scanning wires, provided so as to correspond to a plurality of pixels disposed in a matrix manner, to which scanning signals are applied; and signal wires to which data signals are applied, wherein the scanning wires and the signal wires cross each other. TFTs, electrically connected to the scanning wires and the signal wires, each of which is provided in the vicinity of an intersection of the scanning wire and the signal wire, and the TFTs are connected to pixel electrodes. A dummy pixel driven by a dummy signal wire is provided externally adjacent to an endmost pixel column. This brings about a matrix type liquid crystal display device that equalizes capacitive conditions of all the signal wires to each other and can prevent deterioration of display quality that is brought about by a specific portion differently displayed.Type: GrantFiled: November 7, 2002Date of Patent: November 3, 2009Assignee: Sharp Kabushiki KaishaInventors: Akihisa Iwamoto, Hideki Morii, Kazushige Miyamoto
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Patent number: 7612397Abstract: A nonvolatile memory cell that can be mounted in a CMOS manufacturing process, and is capable of implementing high level of programming, reading and erasing ability. The memory cell is configured by a MOS transistor including two N-type first impurity diffusion layers formed separately on a P-type semiconductor substrate, and a first gate electrode formed above a first cannel region sandwiched by both diffusion layers through a first gate insulation film, a first capacitor comprising P-type second impurity diffusion layers formed on a well, and a second gate electrode formed above the diffusion layer through a second gate insulation film, and a second capacitor comprising the well adjacent to the second impurity diffusion layer, and a third gate electrode formed above the well through a third gate insulation film, wherein a different voltage can be applied to each of the capacitors.Type: GrantFiled: November 12, 2007Date of Patent: November 3, 2009Assignee: Sharp Kabushiki KaishaInventors: Naoki Ueda, Yoshimitsu Yamauchi
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Patent number: 7612757Abstract: A backlit display with improved dynamic range. The disclosed display illuminates a pixel of the display at respective non-zero illumination levels during each of a first frame and a second frame and decreases the illumination level of the pixel during the interval between the first frame and the second frame.Type: GrantFiled: October 15, 2004Date of Patent: November 3, 2009Assignee: Sharp Laboratories of America, Inc.Inventors: Xiao-fan Feng, Scott J. Daly
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Publication number: 20090268116Abstract: An active matrix substrate (12) includes a substrate, a TFT (24) formed on the substrate, a storage capacitor element (20) formed on the substrate, an interlayer insulating film covering the storage capacitor element (20), and a pixel electrode (21) formed on the interlayer insulating film. The storage capacitor element (20) includes a storage capacitor line (27), an insulating film formed on the storage capacitor line (27), and two or more storage capacitor electrodes (25a, 25b, 25c) opposed to the storage capacitor line (27) with the insulating film interposed therebetween. The two or more storage capacitor electrodes (25a, 25b, 25c) are electrically connected via associated contact holes (26a, 26b, 26c) formed in the interlayer insulating film to the pixel electrode (21) and electrically continuous with a drain electrode of the TFT (24).Type: ApplicationFiled: July 2, 2009Publication date: October 29, 2009Applicant: Sharp Kabushiki KaishaInventors: Toshifumi Yagi, Tomoki Noda, Toshihide Tsubata, Masanori Takeuchi, Kenji Enda
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Publication number: 20090268122Abstract: A backlight device includes projections disposed on the back side of a light guide plate, and engagement holes engaging with the projections formed in a housing. The projections of the light guide plate are engaged with the engagement holes in the housing to prevent displacement of the light guide plate caused by vibration and impact. One surface of each projection is flush with a light incident surface, the area of that cross-section of each projection which is parallel or substantially parallel to the light incident surface is set such that it continuously decreases as the section is farther away from the light incident surface, and as a result, occurrence of a bright line and a dark line is prevented.Type: ApplicationFiled: August 25, 2006Publication date: October 29, 2009Applicant: SHARP KABUSHIKI KAISHAInventor: Yuhji Takahashi
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Publication number: 20090268244Abstract: The present invention includes an offset processing section that performs offset processing for shifting a sheet to be outputted in a sheet width direction, a banner output section that prints a job attribute of a print job on a sheet, a job attribute determination section that determines the job attribute of the print job, and a control section that sets offset processing or banner output in the unit of a job attribute or in the unit of a job. When a job attribute of a preceding print job and a job attribute of a subsequent print job are different, offset processing and banner output are executed. When the job attribute of the preceding print job and the job attribute of the subsequent print job are the same, any one of offset processing and banner output is executed. Thereby, printed sheets can be easily obtained in the unit of a job attribute such as in the unit of a user.Type: ApplicationFiled: April 28, 2009Publication date: October 29, 2009Applicant: Sharp Kabushiki KaishaInventor: Hiroyuki Ataka
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Publication number: 20090268151Abstract: A production process of a display device is performed such that, even if exposure displacement is caused by an error in stitching divided regions, a linear protrusion in the vicinity of a divisional boundary is prevented from becoming thin or disappearing because of double exposure. The display device having an insulating substrate on which a plurality of dots are arranged in a matrix includes a linear protrusion which is formed on the insulating substrate by performing divisional exposure on a plurality of divided regions on the insulating substrate, wherein the boundary between the adjacent divided regions provides, in the vicinity of the linear protrusion in one of the divided regions, at least a bent portion that extends into the other divided region at a predetermined distance.Type: ApplicationFiled: December 1, 2005Publication date: October 29, 2009Applicant: SHARP KABUSHIKI KAISHAInventors: Kohji Matsuoka, Shigeo Ikedo, Kazushige Miyamoto, Yasuyuki Ohta
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Publication number: 20090268121Abstract: In a backlight device, a diffuser plate and a plurality of optical sheets are disposed above a base tray that includes a plurality of cold-cathode tubes therein. The diffuser plate is sandwiched in between a base member, which holds the bottom surface thereof, and a facing portion of an inner frame disposed on the top surface side thereof. A holding protrusion is arranged on the facing portion so as to abut on an exposed portion located on the periphery of the diffuser plate. According to this construction, even when the backlight device is used in an upright orientation, the diffuser plate can be prevented from leaning forward, and thereby pressure applied on the optical sheets can be prevented.Type: ApplicationFiled: June 20, 2006Publication date: October 29, 2009Applicant: SHARP KABUSHIKI KAISHAInventor: Yasunari Hisada
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Publication number: 20090267614Abstract: There is provided a physical property measuring method for a TFT liquid crystal panel, includes an impedance setting step of setting the impedance between the source and drain of a TFT of the TFT liquid crystal panel to be less than or equal to a predetermined value, a voltage application step of applying a voltage that cyclically varies to a liquid crystal layer of the TFT liquid crystal panel. And the method further includes a physical property measuring step of measuring a transient current flowing through the liquid crystal layer to which the voltage that cyclically varies is applied in the voltage application step to measure physical properties of the liquid crystal layer.Type: ApplicationFiled: July 7, 2009Publication date: October 29, 2009Applicants: TOYO CORPORATION, SHARP KABUSHIKI KAISHAInventors: Masaru Inoue, Kunihiko Sasaki, Takashi Kurihara, Yasuhiro Kume
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Publication number: 20090266763Abstract: Water (23) that contains micro-nano bubbles generated in a micro-nano bubble generation tank (6) is introduced and treated in a charcoal water tank (11) which is filled with a charcoal (15) and in which an air diffusing pipe (12) is placed and thereafter introduced and treated in a membrane device (21). Thus, activities of microorganisms propagating in the charcoal (15) are increased by the micro-nano bubbles, markedly increasing ability of decomposing organic matters in the water. Therefore, a clogging phenomenon due to the organic matters can be prevented by reducing organic loads on the membrane device (21). Moreover, a very small amount of alcohols or salts are added as a micro-nano bubble generation aid to the micro-nano bubble generation tank (6), improving an incidence rate of the micro-nano bubbles.Type: ApplicationFiled: February 28, 2006Publication date: October 29, 2009Applicant: Sharp Kabushiki KaishaInventors: Kazuyuki Yamasaki, Kazuyuki Sakata, Kazumi Chuhjoh
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Publication number: 20090269907Abstract: On an SOI substrate, a hydrogen ion implantation section in which distribution of hydrogen ions peaks in a BOX layer (buried oxide film layer), and a single-crystal silicon thin-film transistor are formed. Then this SOI substrate is bonded with an insulating substrate. Subsequently, the SOI substrate is cleaved at the hydrogen ion implantation section by carrying out heat treatment, so that an unnecessary part of the SOI substrate is removed, Furthermore, the BOX layer remaining on the single-crystal silicon thin-film transistor is removed by etching. With this, it is possible to from a single-crystal silicon thin-film device on an insulating substrate, without using an adhesive. Moreover, it is possible to provide a semiconductor device which has no surface damage and includes a single-crystal silicon thin film which is thin and uniform in thickness.Type: ApplicationFiled: July 9, 2009Publication date: October 29, 2009Applicant: Sharp Kabushiki KaishiInventors: Yutaka Takafuji, Takashi Itoga
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Publication number: 20090268473Abstract: A backlight chassis that is capable of preventing an unusual noise caused by vibrations of a backlight unit or a tubular lamp houses tubular lamps arranged behind a display panel via optical sheets. The backlight chassis includes lamp holding members provided on a lamp housing surface of the backlight chassis, for holding the tubular lamps at an approximate midpoint thereof, wherein the lamp holding members and the backlight chassis are defined by a unitary molded resin member.Type: ApplicationFiled: December 12, 2005Publication date: October 29, 2009Applicant: SHARP KABUSHIKI KAISHAInventors: Takuya Ohnishi, Satoshi Ono, Takeshi Ogura, Kazuki Nakamichi, Yoshihiro Murakami, Takafumi Hara
