Patents Issued in May 31, 2007
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Publication number: 20070120743Abstract: A monopole antenna comprises a planar substrate, a radiating element arranged on the planar substrate and of long-guide trapezium-shape and comprises a trapezium notch in the middle thereof, a grounding element assembled with said planar base with a predetermined angle.Type: ApplicationFiled: November 28, 2006Publication date: May 31, 2007Inventors: Yun-Long Ke, Lung-Sheng Tai, Yao-Shien Huang
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Publication number: 20070120744Abstract: The present invention provides a connector arrangement operative to connect a prime mover driven alternator to an alternating current circuit with an existing alternating current. For example, the connector arrangement may be used to connect an alternator driven by a Stirling engine to an alternating current mains electricity supply. The connector arrangement includes a circuit with an adjustable resonant frequency, adjustable between a first resonant frequency tuned to an initial operating frequency of the prime mover and a second resonant frequency detuned to the initial operating frequency. This adjustable resonant frequency is beneficial as it allows operation to be tailored to the exact operating conditions of the prime mover that is likely to have its own resonant frequency that may vary according to its operating condition.Type: ApplicationFiled: February 2, 2005Publication date: May 31, 2007Inventors: Roger Silcock, Jonathan Childs, Jarlath McEntee
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Publication number: 20070120745Abstract: A mobile wireless communications device may include a portable housing, at least one wireless transceiver carried by the portable housing, and a satellite positioning signal receiver carried by the portable housing. Moreover, a satellite positioning antenna may be carried by the portable housing. The satellite positioning antenna may include an active element connected to the satellite positioning signal receiver, and a passive element connected to a voltage reference and positioned in spaced apart relation from the active element and operatively coupled thereto for directing a beam pattern thereof.Type: ApplicationFiled: November 29, 2005Publication date: May 31, 2007Applicant: Research In Motion LimitedInventors: Yihong Qi, Adrian Cooke, Ying Tong Man, Perry Jarmuszewski
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Publication number: 20070120746Abstract: An electronic device (400) enabled to receive radio frequency signals can comprise a housing (405), a PCB (110) enclosed in the housing (100), an antenna (115) coupled to the PCB (110) and enabled to receive the radio frequency signals and a choke (125) coupled to the PCB (110) and enabled to suppress radio frequency currents flowing on the PCB (110). As an example, the frequency at which the choke (125) suppresses the currents can be at a GPS signal frequency.Type: ApplicationFiled: November 29, 2005Publication date: May 31, 2007Inventors: Giorgi Bit-Babik, Antonio Faraone, Lorenzo Leon
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Publication number: 20070120747Abstract: An antenna (100) that includes a first helical radiator (102) and a second helical radiator (116) positioned substantially co-linear with the first helical radiator. The first helical radiator can be communicatively linked to a signal source (106). The second helical radiator can be moveable between a first position wherein the second helical radiator is substantially adjacent to the first helical radiator and a second position wherein the second helical radiator is distal from the first helical radiator. The first helical radiator and the second helical radiator can cooperate to transmit and/or receive electromagnetic signals using an electrical connection and/or electromagnetic coupling. The electromagnetic coupling can primarily include capacitive coupling. The antenna also can include an impedance tuning member (538) which electromagnetically couples to the first helical radiator and/or the second helical radiator.Type: ApplicationFiled: November 30, 2005Publication date: May 31, 2007Inventors: Alejandro Candal, Julio Castaneda, Jose Gonzalez, Lorenzo Ponce De Leon, Francis Staszesky
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Publication number: 20070120748Abstract: A wireless communication device is provided with a multipart case, having electrical interfaces that encourage the flow of radiation frequency ground current between case sections. The multipart case has a first planar groundplane section and a second planar groundplane section. For example, the multipart case design may be a slider, double slider, multiple hinge, flip, or swivel case. The second planar groundplane is substantially coplanar with the first groundplane in a case open position, and substantially bi-planar with the first groundplane in a case closed position. The wireless device also includes an antenna located adjacent the second groundplane section first end. A first and a second interface electrically connect the first groundplane section to the second groundplane section second end (the end opposite the antenna).Type: ApplicationFiled: February 16, 2006Publication date: May 31, 2007Inventors: Jatupum Jenwatanavet, Gregory Poilasne, Jorge Fabrega-Sanchez, Vaneet Pathak, Joe Le
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Publication number: 20070120749Abstract: A portable electronic device includes a metallic casing, a circuit board, a feeding line, and a grounding line. The metallic casing confines an accommodating space, and is formed with a slot that is in spatial communication with the accommodating space and that is defined by a slot-defining wall. The circuit board is disposed in the accommodating space, and is provided with feeding and grounding ports. The feeding line serves to couple electrically the feeding port to the slot-defining wall. The grounding line serves to couple electrically the grounding port to the slot-defining wall.Type: ApplicationFiled: March 20, 2006Publication date: May 31, 2007Inventors: Tiao-Hsing Tsai, Chao-Chiang Kuo, Ying-Chih Wang
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Publication number: 20070120750Abstract: An antenna for a slide-type wireless terminal device includes a radiator formed in a first body, a ground surface formed on a second body, a power feeder connected to the ground surface in the second body, a first connection part connected to the radiator in the first body and operative to come in contact with the power feeder when the first body is slidably moved, and a short-circuit wire operative to come in contact with the radiator and the ground surface when the first body is slidably moved.Type: ApplicationFiled: May 30, 2006Publication date: May 31, 2007Inventors: Yong-jin Kim, Do-hoon Kwon, Seong-soo Lee, Young-eil Kim
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Publication number: 20070120751Abstract: An object is to reduce troubles during pressure bonding of an antenna in a wireless chip including a thin film. A wireless chip made from a thin film is formed, in particular a wireless chip including a memory area including an organic compound layer, and a distance between the memory area and a pad is a prescribed value or longer. As a result, data writing can be carried out without being affected by stress or heat during pressure bonding of the antenna. For a substrate over which the wireless chip is provided, a glass substrate or a silicon wafer can be used.Type: ApplicationFiled: November 3, 2006Publication date: May 31, 2007Applicant: Semiconductor Energy Laboratory Co., Ltd.Inventors: Toshihiko Saito, Kiyoshi Kato, Takehisa Sato
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Publication number: 20070120752Abstract: According to one embodiment, an information processing apparatus including a main body to be detachably docked with an external apparatus including a first antenna and a first radio communication unit which performs radio communication by using the first antenna, a second antenna provided in the main body, a third antenna provided in a predetermined position in the main body, which is closer to the first antenna than to the second antenna, when the main body is docked with the external apparatus, and a second radio communication unit which is provided in the main body, and communicates by radio with the external apparatus by using the third antenna, when the main body is docked with the external apparatus.Type: ApplicationFiled: November 21, 2006Publication date: May 31, 2007Inventor: Nobuaki Takasu
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Publication number: 20070120753Abstract: A multi-band antenna adapted for used in a portable electronic device, includes: a first antenna including a first radiating element, a common grounding element, and a first connecting element connecting the first radiating element and the common grounding element; a second antenna, including a first radiating portion, the common grounding element, and a second connecting element connecting the radiating portion and the grounding element. Free end portions of the first radiating element and the first radiating portion do not align with each other in any direction.Type: ApplicationFiled: November 28, 2006Publication date: May 31, 2007Inventors: Chen-Ta Hung, Shu-Yean Wang, Yun-Long Ke
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Publication number: 20070120754Abstract: The aerial of antennas FM1 and FM2 comprises, in addition to the original defrosting network (2), two pairs of vertical lines (9,10) which are disposed symmetrically in relation to the median vertical longitudinal plane of the vehicle. The FM1 signal is collected at a point (12) of the aerial which makes it possible to obtain a directive signal in the direction of the length of the vehicle on a plane with zero height. The FM2 signal is collected at a point (13) which is different from the aerial, making it possible to obtain a directive signal in the direction of the width of the vehicle on a plane with zero height. The serigraphed antenna for the rear window of a salon-type car provides excellent reception for FM, AM and servitude function modes.Type: ApplicationFiled: February 7, 2005Publication date: May 31, 2007Applicant: SOCIETE DE COMPOSANTS ELECTRIQUESInventors: Alessandro Mondadori, Didier Viratelle
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Publication number: 20070120755Abstract: The invention relates to a roof antenna (1) for installation on the roof (2) of a vehicle, the roof antenna (1) comprising a base plate (3) with at least one antenna element (5 to 8) and an outer cover (9) for covering the interior region of the roof antenna (1) covered by an intermediate cover (8) and the base plate, (3) being connected to the vehicle roof (2) with fastener, there being according to the invention in the region of the contact area of the outer lower edge of the outer cover (9) a seal (12) is mounted and fastener (B) are mounted in a central location, which means detachably fasten the outer cover (9) to the intermediate cover (8), the sealing effect of the seal (12) being achieved after securing the outer cover (9) to the intermediate cover (8) using the fastener (B).Type: ApplicationFiled: October 20, 2006Publication date: May 31, 2007Inventor: Gunther Blickle
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Publication number: 20070120756Abstract: A loop antenna able to be mounted on the rear window of a vehicle provided with a defogger, that is, a loop antenna to be mounted on a rear window provided with a defogger having electrodes arranged in the vertical direction at the two ends and a plurality of electrical heating wires bridging the electrodes in the horizontal direction, wherein an antenna element forming a loop is made polygonal in shape, two power feed terminals of the loop antenna are provided at positions a predetermined distance away from the midpoint of the bottom of the antenna element, constituted by one side, in the vertical direction, a distance between the power feed terminals and bottom is formed smaller than the distance between adjoining electrical heating wires of the defogger, and the loop antenna is mounted on the rear window between the adjoining electrical heating wires. The polygonal shape may be a triangular shape.Type: ApplicationFiled: November 28, 2006Publication date: May 31, 2007Inventors: Kazushige Ogino, Yoshio Umezawa, Katsuhiro Tsuruta, Akihiro Fujiwara
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Publication number: 20070120757Abstract: A rod antenna with a good reception sensitivity using a conductive body of a vehicle or a heater element of a defogger as a reflector, that is, a rod antenna to be mounted at a conductive outside surface of a vehicle or at an outside surface of a rear window of a vehicle where heater elements of a defogger are arranged in parallel, provided with a rod-shaped antenna element provided with a predetermined length and a holding member comprised of a base member for holding the antenna element and an antenna support member, the holding member holding the antenna element so that it is separated a predetermined distance from the outside surface so that the outside surface becomes a reflector for the antenna element.Type: ApplicationFiled: November 29, 2006Publication date: May 31, 2007Inventors: Kazushige Ogino, Yoshio Umezawa, Koji Nagao, Kazuo Takayama
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Publication number: 20070120758Abstract: An antenna structure capable of receiving an external radio signal has a structure that enables reception of magnetic flux caused by an external radio signal, but has a magnetic path that makes it difficult for magnetic flux generated by resonance to leak to said outside of said antenna structure, said magnetic path being formed minimally by an antenna part, which is formed by at least one antenna core part and a coil part formed by winding of a conductive wire around said antenna core part, and a cover part disposed in a vicinity of said antenna part and covering at least a part of said antenna part, said antenna core part and cover part being made of a soft magnetic material, and also said cover part being joined to said antenna part at both ends of said antenna core part of said antenna part.Type: ApplicationFiled: December 9, 2004Publication date: May 31, 2007Inventor: Shigeyuki Takahashi
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Publication number: 20070120759Abstract: An antenna assembly includes an antenna and a radome that covers the antenna. The radome can be single- or double-walled, and, to prevent accumulation of dew on the radome, a radome heater operates to heat the radome's surface temperature in a relatively uniform manner by raising the radome air space's air temperature. To increase the radome heater's energy efficiency, an insulating layer thermally insulates the radome heater from the surface on which it is mounted.Type: ApplicationFiled: November 28, 2005Publication date: May 31, 2007Applicant: KVH Industries, Inc.Inventor: Jeffrey Hawes
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Publication number: 20070120760Abstract: A column antenna apparatus and a manufacturing method thereof are disclosed. This invention forms a spiral metal layer on a column body. The column antenna apparatus can simplify the manufacturing process and enhance the yield rate. The column antenna apparatus includes a column body, a metal layer and a spiral structure. The metal layer is formed on the surface of the column body, and the spiral structure is formed on the metal layer. The spiral structure is implemented by removing part of the metal layer to form a pitch structure. The column body is exposed between the pitches. The column antenna apparatus can be applied to a single, dual, three or multi frequencies wireless communication device. Furthermore, the column antenna apparatus can be installed at outside of the wireless communication device to be an external antenna or at inside of the wireless communication device to be a built-in antenna.Type: ApplicationFiled: November 25, 2005Publication date: May 31, 2007Inventors: Kang-Neng Hsu, Chien-Hsun Wu, Ming-Yu Chien, Chih-Ming Chen
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Publication number: 20070120761Abstract: An antenna (100) that includes an outer helical radiator (102) having a first diameter (118) and an inner helical radiator (112) having a second diameter (116) that is smaller than the first diameter. The inner helical radiator can be positioned at least in part interior to the outer helical radiator. Further, the outer helical radiator and the inner helical radiator can be substantially coaxially aligned. For example, the inner helical radiator can be attached to a dielectric member (120) such that the dielectric member maintains the position of the inner helical radiator.Type: ApplicationFiled: November 30, 2005Publication date: May 31, 2007Inventor: Alejandro Candal
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Publication number: 20070120762Abstract: A method of displaying information in an information display device may include retrieving an information file from storage media accessible from an information display device, displaying a first portion of the retrieved file in a first electronic display screen based on a first value from a sensor, displaying a second portion of the retrieved file in a second electronic display screen based on a second value from the sensor, and subsequently displaying either the first portion or a third portion of the retrieved file in the first electronic display screen based on a third value from the sensor. The information display device may include a first panel and a second panel connected to the first panel, two or more electronic display screens disposed on the first and second panels, and a sensor that provides a value representative of an angle of the first panel relative to the second panel.Type: ApplicationFiled: November 30, 2005Publication date: May 31, 2007Inventor: Robert O'Gorman
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Publication number: 20070120763Abstract: The present invention provides a method and device for displaying a plurality of video signals on one single display. According to embodiments of the present invention a plurality of display systems can be replaced by one display system being fully backwards compatible without the need to change any software or hardware components such as application software, graphical boards, . . . The present invention can also guarantee that even though a plurality of displays are being replaced by one single display still individual characteristics of those plurality of displays are being retained by the new display.Type: ApplicationFiled: November 22, 2006Publication date: May 31, 2007Inventors: Lode De Paepe, Tom Kimpe
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Publication number: 20070120764Abstract: The present invention provides a rotating module for adjusting a display. The rotating module includes a first rotating part and a second rotating part that are coupled together. The first rotating part moves the display around a first axis. The second rotating part moves the display around a second axis. Therefore, the display can be completely adjusted for not only the location but also the viewing angle.Type: ApplicationFiled: September 6, 2006Publication date: May 31, 2007Inventors: Cheng-Chung Chu, Chiu-Lang Huang
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Publication number: 20070120765Abstract: A backlight for illuminating the back of a display section includes a plurality of light sources disposed in positions corresponding to a display area of the display section; a diffusion member configured to transmit light from the light sources to the display section; a photo-sensor; a light guiding member configured to introduce the light from the light sources to the photo-sensor for detection; and an arithmetic operation processing section configured to calculate the luminance or chromaticity of each of the light sources from the luminance or chromaticity detected by the photo-sensor.Type: ApplicationFiled: October 16, 2006Publication date: May 31, 2007Applicant: Sony CorporationInventors: Takehiro Misonou, Yuichi Ohyama
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Publication number: 20070120766Abstract: A driving method for a liquid crystal display device assembly that includes a transmissive-type liquid crystal display device, a planar light source device including P×Q planar light source units, and a drive circuit that drives the two devices is disclosed. The driving method includes the step of, when the value of an input signal input into the drive circuit is indicated by x, in each of the display area units, when the value x of the input signal for any of the pixels is greater than or equal to a predetermined value, such a value being indicated by xU-max, controlling the luminance level of the planar light source unit corresponding to the display area unit so that luminance levels of the pixels, assuming that the control signal corresponding to the input signal having a value greater than the value xU-max is supplied to the pixels, can be obtained.Type: ApplicationFiled: November 16, 2006Publication date: May 31, 2007Applicant: Sony CorporationInventor: Kaoru Yanamoto
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Publication number: 20070120767Abstract: A plasma display apparatus is provided. The apparatus includes a first cell provided inside a window having a percentage of “a” or more of an on-cell turned on during one frame; and a second cell provided inside a window having a percentage of less than “a” of the on-cell turned on during one frame, wherein more sustain waveforms are applied to the second cell than the first cell.Type: ApplicationFiled: February 3, 2006Publication date: May 31, 2007Inventors: Muk Kim, Yun Jung, Byung Kim
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Publication number: 20070120768Abstract: A three-dimensional display device includes an image display portion displaying left and right eye images, and a parallax barrier directing the left and right eye images respectively towards left and right eyes of a user. The parallax barrier includes first electrodes located on a first substrate, a first connection electrode electrically connecting the first electrodes, a first terminal electrode connected to an end of the first connection electrode, a first connection terminal connected to the first terminal electrode, second electrodes located between the first electrodes, a second connection electrode electrically connecting the second electrodes, a second connection terminal connected to an end of the second connection electrode, a common electrode located on a second substrate facing the first substrate, and a liquid crystal layer disposed between the first and second substrates. The first terminal electrode has a lower electric resistance than the first electrodes and the second electrodes.Type: ApplicationFiled: October 20, 2006Publication date: May 31, 2007Inventors: Hyo-Jin Lee, Jang-Doo Lee, Hyoung-Wook Jang, Hui Nam, Beom-Shik Kim, Myoung-Seop Song, Ja-Seung Ku
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Publication number: 20070120769Abstract: A plasma display apparatus and a method of driving the same are disclosed. The plasma display apparatus includes a plasma display panel, a panel driver, a subfield mapping unit, and a controller. The plasma display panel, on which an image is displayed through a video signal input from the outside, includes a plurality of electrodes. The panel driver drives the plurality of electrodes. The subfield mapping unit controls the number of subfields in accordance with the amount of data load of the video signal. The controller sets the subfield mapping unit to the number of subfields corresponding to a vertical frequency of the video signal, and sets the panel driver to a sustain pulse frequency proportional to the vertical frequency.Type: ApplicationFiled: November 28, 2006Publication date: May 31, 2007Inventor: Seonghak Moon
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Publication number: 20070120770Abstract: A plasma display apparatus is provided. A plasma display apparatus according to an embodiment of the present invention may comprise a Plasma Display Panel (PDP) comprising sustain electrodes commonly connected through a conductive connection pad, two or more Z sustain boards for driving the sustain electrodes, and a current communication unit for electrically connecting the Z sustain boards and communicating current between the Z sustain boards.Type: ApplicationFiled: November 29, 2006Publication date: May 31, 2007Inventors: Jeong Choi, Byung Kong
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Publication number: 20070120771Abstract: An interlace-type PDP is driven by an improved driving method so as to achieve a greater operating margin, higher resolution, and higher brightness. The interlace-type PDP is driven using odd and even frames in such a manner that the cells are grouped into cell groups such that each cell group includes two or three cells which are adjacent in a direction crossing the electrode pairs, and the cells are driven in units of cell groups. The grouping of cells is performed differently for even and odd frames such that, in one type of frame, locations of two or three cells grouped into each group are shifted by one cell, in the direction crossing the electrode pairs, from the locations of cells grouped together in the other type of frame.Type: ApplicationFiled: January 26, 2007Publication date: May 31, 2007Applicant: HITACHI, LTD.Inventors: Yasunobu Hashimoto, Hajime Inoue, Yoshiho Seo, Naoki Itokawa
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Publication number: 20070120772Abstract: A display system includes a display device and a remote controller. Remote controller makes RF communication with the display device so as to obtain device information and includes a display panel that displays the device information. Remote controller adjusts the device information and sends the adjusted device information to the display device. In the display system, characteristics of the display device are monitored and adjusted by means of remote controller.Type: ApplicationFiled: November 28, 2006Publication date: May 31, 2007Inventors: Sang-Soo Kim, Seung-Woo Lee, Bong-Hyun You, Tae-Sung Kim
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Publication number: 20070120773Abstract: A driving circuit for a plasma display having a plurality of first electrodes is provided. The driving circuit has first and second transistors coupled to first and second power sources, respectively. First and second capacitors are coupled between the drain and the source of the first and second transistors, respectively. A third transistor is coupled between the first power source and a first node, the first node being connected to one of the plurality of first electrodes. A fourth transistor is coupled between the second power source and the first node. A fifth transistor is coupled between a third power source and a second node. A sixth transistor is coupled between the third power source and the second node. An inductor is coupled between the second node and the first node.Type: ApplicationFiled: November 17, 2006Publication date: May 31, 2007Inventors: Joon-Yeon Kim, Hak-Cheol Yang
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Publication number: 20070120774Abstract: A plasma display according to an embodiment of the present invention has first, second, and third transistors which are coupled between a first power source for supplying a first voltage and a second power source for supplying a second voltage which is lower than the first voltage is disclosed. A first terminal of a fourth transistor is coupled to the first and second transistors, and a first terminal of a fifth transistor is coupled to the second and third transistors. In addition, a capacitor is coupled between a second terminal of the fourth transistor and a second terminal of the fifth transistor and is charged with a voltage corresponding to a difference between the first and second voltages.Type: ApplicationFiled: November 29, 2006Publication date: May 31, 2007Inventors: Joon-Yeon Kim, Hak-Cheol Yang, Sang-Shin Kwak, Jong-Ki Choi
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Publication number: 20070120775Abstract: A digit waveform control circuit shifts in time, based on the setting of a digit time shift register, digit scan display data sequentially outputted from a display output control circuit such that digit driving signals are simultaneously outputted from digit driving terminals (high breakdown voltage output terminals for digit display data) connected in parallel outside a microcontroller.Type: ApplicationFiled: November 28, 2006Publication date: May 31, 2007Applicant: Matsushita Electric Industrial Co., Ltd.Inventors: Kensaku Fukumoto, Katsuhiro Jomatsu, Shinsuke Kouno
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Publication number: 20070120776Abstract: An electron emission device that is driven at a low voltage has lower power consumption, and can be mass-produced. An electron emission display device includes the electron emission device, The electron emission device includes: a base substrate; a cathode electrode disposed on the base substrate; an electron emission source disposed on the cathode electrode; a data electrode disposed above the electron emission source; a scan electrode disposed above the data electrode; and insulating layers insulating each electrode from the other electrodes. A method of driving the electron emission device includes maintaining a voltage at the cathode electrode of below 0 V or a ground level, maintaining a positive voltage at the scan electrode, and maintaining a voltage at the data electrode of below 0 V; and intermittently providing a positive voltage at the data electrode for a predetermined period of time such that electrons can travel toward the scan electrode for the predetermined period of time.Type: ApplicationFiled: August 28, 2006Publication date: May 31, 2007Applicant: Samsung SDI Co., Ltd.Inventors: Sung-Hee Cho, Jong-Hwan Park
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Publication number: 20070120777Abstract: The present invention relates to a light emitting device to which cross-talk phenomenon is not occurred. The light emitting device includes data lines, scan lines, a plurality of pixels, and a discharging circuit. The data lines are disposed in a first direction. The scan lines are disposed in a second direction different from the first direction. The pixels are formed in cross areas of the data lines and the scan lines. The discharging circuit discharges at least one data line to a discharge voltage corresponding to a cathode voltage of a pixel corresponding to the data line. In the light emitting device, the discharge voltages are changed depending on the cathode voltages, and thus the cross-talk phenomenon is not occurred.Type: ApplicationFiled: March 17, 2006Publication date: May 31, 2007Inventor: Ji Kim
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Publication number: 20070120778Abstract: A drive apparatus of a display panel is provided with an anode driver that drives m anode lines CL, a cathode driver that scans n cathode lines RL, and control means. In a process of pre-charging a parasitic capacity Cp of display elements connected to any of the scan lines RL whichever selected by the cathode driver, the control means switches a connection of L of the n scan lines RL and the m anode lines CL to a ground terminal, and applies voltage control with (L/n)×Vccr for application of an initial output voltage of the anode driver at about an EL element drive voltage Vf. In this manner, the parasitic capacity Cp of the EL elements connected to L scan lines RL is pre-charged. With such a drive apparatus of the display panel, without causing to be complicated in configuration, and without increasing the size of the circuit, it becomes possible to set and control a voltage for pre-charging a parasitic capacity of organic EL elements to be any needed voltage or current.Type: ApplicationFiled: October 12, 2006Publication date: May 31, 2007Applicant: Oki Electric Industry Co.Inventors: Naoya Kimura, Tetsurou Hara, Takayuki Shimizu
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Publication number: 20070120779Abstract: A display apparatus includes a display area, in which pixels each including an EL device and a pixel circuit are arranged in a matrix on a substrate, and a column control circuit for controlling the pixel circuit column by column. The EL device is disposed between a lower pixel electrode and an upper transparent electrode on the substrate. The pixel electrode is electrically connected to the pixel circuit, and the transparent electrode is electrically connected to a common interconnecting line via a contact hole. The contact hole and the common interconnecting line are disposed to surround a periphery of the display area. The column control circuit is divided into two circuits disposed between the contact hole and the display area and outside the contact hole with respect to the display area.Type: ApplicationFiled: November 14, 2006Publication date: May 31, 2007Applicant: CANON KABUSHIKI KAISHAInventors: Kohichi NAKAMURA, Somei Kawasaki
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Publication number: 20070120780Abstract: An organic light emitting diode display device and a driving method are provided. The organic light emitting diode display device comprises a data driver that generates a plurality of reference data voltages that have a level proportional to a gray scale level of a digital data supplied from the timing controller. The data driver supplies the data voltages to the plurality of data lines and compensates for the data voltages in accordance with a magnitude of the feedback voltages from the plurality of pixels fed back through the plurality of feedback lines under control of the timing controller.Type: ApplicationFiled: November 14, 2006Publication date: May 31, 2007Inventors: Jae Park, Kwang Hwang, Jong Park, Hee Choi, Sang Yu, Jin Kim
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Publication number: 20070120781Abstract: A data driver, including a first digital-to-analog converter configured to select two reference voltages of a plurality of reference voltages depending on upper bits of data, and a second digital-to-analog converter configured to divide the two reference voltages into a plurality of voltages and supply any one voltage of the two reference voltages and the divided voltages to an output terminal as a data signal depending on lower bits of the data, wherein the second digital-to-analog converter is configured to supply an intermediate gray scale voltage to the output terminal prior to supplying the data signal, the intermediate gray scale voltage having a voltage between the two reference voltages.Type: ApplicationFiled: November 29, 2006Publication date: May 31, 2007Inventor: Sang Choi
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Publication number: 20070120782Abstract: In a driving arrangement for an OLED panel, by using different voltage levels for a gate driver and a source driver, a driving voltage higher than a wafer process voltage is produced for the OLED panel and therefore improves the picture quality.Type: ApplicationFiled: November 29, 2006Publication date: May 31, 2007Inventor: Chiung-Ching Ku
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Publication number: 20070120783Abstract: Degradations in light emitting elements occur with the passage of time. The invention provides a method of driving a light-emitting device provided with a plurality of pixels, which includes a light-emitting means with a first and a second electrodes, a drive means for supplying the light-emitting means with a current in response to an analog video signal, and a setting means for setting a sustaining period and an off time period within a frame period. The method of driving a light-emitting device is characterized by including the steps of: supplying the light-emitting means with the current in response to the analog video signal during the sustaining period; and turning the drive means off thereby to make the light-emitting means nonluminous or making the first and the second electrodes identical in potential thereby to make the light-emitting means nonluminous during the off time period.Type: ApplicationFiled: January 22, 2007Publication date: May 31, 2007Inventors: Mitsuaki Osame, Aya Anzai, Yu Yamazaki, Tomoyuki Iwabuchi
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Publication number: 20070120784Abstract: In a semiconductor circuit of a current output type, when display is performed by plural semiconductor circuit in one display panel, luminance unevenness for each block with a different semiconductor circuit occurs due to fluctuation in the semiconductor circuits. In current output stages 14a and 14b, current mirror circuits are constituted at both ends of a chip, and a reference current to be a reference of gradation display is supplied from both the ends. Moreover, by increasing a resistance value of a gate line of the current mirror circuit of distributing a current to each output, deviation of a transistor threshold value in the chip was compensated for, and output currents at left and right ends were matched.Type: ApplicationFiled: January 31, 2007Publication date: May 31, 2007Applicant: Toshiba Matsushita Display Technology Co., LtdInventor: Hitsohi TSUGE
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Publication number: 20070120785Abstract: To provide a high-performance and highly reliable display device with a high aperture ratio, including light-emitting elements, and a manufacturing method thereof, and a technique for manufacturing such a display device at a low cost with high productivity. A compensating circuit, a light-emitting element, a switch, and a transistor are included, in which one terminal of the switch is electrically connected to the compensating circuit, a gate of the transistor is electrically connected to the compensating circuit, one of a source and a drain of the transistor is electrically connected to a first electrode of the light-emitting element, the other of the source and the drain of the transistor is maintained at a certain potential, and a second electrode of the light-emitting element and the other terminal of the switch are electrically connected to the same wire.Type: ApplicationFiled: November 28, 2006Publication date: May 31, 2007Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.Inventor: Hajime KIMURA
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Publication number: 20070120786Abstract: Method for designing color display sequences in a display system using rapidly switching light sources. A preferred embodiment comprises determining a number of bit segments in a frame time, determining a color sequence, and specifying a bit sequence from the color sequence. The bits in the bit sequence are delineated by a switching of a rapidly switching light source or a state change of a light modulator. The use of the rapidly switching light source can permit the specification of bits that are shorter than a minimum duration of a state change of the light modulator and the possible elimination of a segmented color filter that can enable adjustments to the color point of the display system to meet changing operating conditions.Type: ApplicationFiled: November 28, 2005Publication date: May 31, 2007Inventors: Harold Bellls, Gregory Hewlett, Bryce Sawyers
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Publication number: 20070120787Abstract: The present invention provides a various methods, systems and devices for controlling light modulating elements and/or spatial light modulators. In some embodiments of the present invention, a recursive feedback method is used to control light modulating elements and/or spatial light modulators.Type: ApplicationFiled: May 12, 2006Publication date: May 31, 2007Applicant: Kagutech, Ltd.Inventor: Karl Guttag
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Publication number: 20070120788Abstract: A display device comprising a glass substrate, a display array, a backlight unit, at least one first driver, a second driver, a scalar, and a timing controller. The display array is disposed on the glass substrate and comprises a plurality of pixel units. The backlight unit provides light to the display array. The at least one first driver controls the pixel units. The second driver drives the backlight unit. The scalar processes an image input signal and outputs a digital image signal. The timing controller receives the digital image signal and provides at least one control signal to the at least one first driver. The memory device stores optics and image references of the display array. The memory device is coupled to the circuit board of the at least one first driver, the circuit board of the second driver, or the glass substrate.Type: ApplicationFiled: March 8, 2006Publication date: May 31, 2007Inventors: Chung-Kuang Tsai, Wen-Kai Shih, Wu-Feng Liou
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Publication number: 20070120789Abstract: A method of economically manufacturing display devices having a matrix of drivable pixels arranged in rows and columns arranged to be driven by IC drivers, including the steps of including a plurality of sensor signal lines in the display device that are selectively connectable to certain of the pixel rows, a plurality of sensor signal lines selectively connectable to certain of the pixel columns, transmitting test signals to test predetermined ones of the rows and columns of pixels, and connecting pixel driving circuits to those display devices exhibiting uniform pixel brightness in response to the test signals.Type: ApplicationFiled: October 10, 2006Publication date: May 31, 2007Inventors: Myung-Woo Lee, Joo-Hyung Lee, Sang-Jin Pak, Kee-Han Uh
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Publication number: 20070120790Abstract: A display substrate includes a plurality of gate lines, a plurality of data lines, a gate signal-inputting unit, a first test unit, and a first dummy switching unit. The gate lines extend in a first direction. The data lines extend in a second direction intersected with the first direction. The gate signal-inputting unit is formed at a first end of each of the gate lines to apply gate signals to the gate lines. The first test unit is formed at a second end of each of the gate lines opposite to the first end applying a first test signal to the gate lines. The first dummy switching unit is formed between the gate signal-inputting unit and the first test unit and transferring the first test signal to the gate lines.Type: ApplicationFiled: November 27, 2006Publication date: May 31, 2007Applicant: SAMSUNG ELECTRONICS CO., LTDInventor: Sang JEON
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Publication number: 20070120791Abstract: A driving circuit for a LCD (Liquid Crystal Display) panel is provided which is capable of performing overdriving operations in all shades of gray and of obviating the necessity of predetermining a driving pattern based on experimental results. The driving circuit for the LCD panel includes an operational amplifier to a non-inverted input terminal of which a voltage to charge a pixel for current gray level display is applied and to an inverted input of which a voltage for charging a corresponding pixel occurred one field before, a NAND circuit to detect an output state of operational amplifiers, a P-channel MOSFET (Metal Oxide Semiconductor Field Effect Transistor) to switch operational states from one state in which the operational amplifier operates as a comparator to perform overdriving operations using source voltages to one state in which a pixel to be charged using a gray level voltage.Type: ApplicationFiled: November 20, 2006Publication date: May 31, 2007Inventor: Mitsuasa Takahashi
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Publication number: 20070120792Abstract: A gamma-correction circuit, comprising a gamma-reference voltage generation circuit capable of outputting voltages from connection nodes between a plurality of first resistor units connected in cascade, a gamma-correction voltage generation circuit configured to output gray level voltages from connection nodes between a plurality of second resistor units connected in cascade, the second resistor units having the same circuit configuration as the gamma-reference voltage generation circuit and having the same resistance ratio as that of the plurality of first resistor units, and at least one buffer connected between at least one connection node of the gamma-reference voltage and the corresponding connection node of the gamma-correction voltage.Type: ApplicationFiled: November 24, 2006Publication date: May 31, 2007Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Hisashi Sasaki, Yoshihide Nakajima