Patents Assigned to Japan Display West Inc.
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Publication number: 20140287647Abstract: A display device including: a first substrate with a pixel switch and drivers mounted thereon; a second substrate disposed in facing relation to the first substrate; a material layer held between the first substrate and the second substrate and having peripheral edges sealed by a seal member, the material layer having an electrooptical effect; and a semiconductor chip mounted as a COG component on the first substrate, the semiconductor chip having a control system configured to control the drivers; wherein the semiconductor chip having a thickness equal to the total thickness of the seal member and the second substrate or larger than the thickness of the seal member and smaller than the total thickness.Type: ApplicationFiled: June 4, 2014Publication date: September 25, 2014Applicant: Japan Display West Inc.Inventor: Masumitsu Ino
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Patent number: 8842254Abstract: A liquid crystal display panel is provided and includes a first substrate and a second substrate disposed to face each other with a liquid crystal layer held therebetween. The first substrate has peripheral circuit wires formed in a peripheral area surrounding a display area, and the second substrate is disposed to face the first substrate so that the peripheral circuit wires of the first substrate are exposed. A resin layer having a predetermined width is formed on that end part of the second substrate on the side of facing the first substrate which is located on the side of the peripheral circuit wires of the first substrate.Type: GrantFiled: December 17, 2010Date of Patent: September 23, 2014Assignee: Japan Display West Inc.Inventor: Hideki Kaneko
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Patent number: 8836346Abstract: Disclosed herein is an electrostatic capacitance input device including: an input region of a substrate, in which a plurality of input position detection electrodes are provided; a plurality of wires that are electrically connected to the plurality of input position detection electrodes and extend outside the input region of the substrate; and a shield electrode that overlaps the wires on the input operation side.Type: GrantFiled: June 12, 2013Date of Patent: September 16, 2014Assignee: Japan Display West Inc.Inventor: Takeshi Kurashima
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Patent number: 8836875Abstract: A liquid crystal display device includes a liquid crystal panel which displays a left eye image and a right eye image; and a light-shielding barrier which has a slit section and a light-shielding section to cause binocular parallax, wherein the liquid crystal panel includes a first substrate which has a pixel electrode formed thereon, a second substrate which is separated from and opposed to the surface of the first substrate which has the pixel electrode formed thereon, and a liquid crystal layer which is disposed between the first substrate and the second substrate, the pixel electrode has a plurality of strip-shaped parts which are arranged with intervals therebetween, and an extending direction of the strip-shaped parts is substantially perpendicular to an opening direction of the slit section.Type: GrantFiled: November 21, 2012Date of Patent: September 16, 2014Assignee: Japan Display West Inc.Inventors: Tsuyoshi Ohyama, Yingbao Yang, Takeo Koito
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Publication number: 20140253485Abstract: There are provided a display panel with a touch detection function and a method of driving the same, a drive circuit, as well as an electronic unit, which make it possible to reduce an influence of a disturbance noise. The display panel includes: a signal generation section selecting one pulse period from a plurality of pulse periods prepared beforehand, and generating a synchronization signal including a series of pulses appearing at the selected pulse period; a display section performing display based on the synchronization signal; and a touch detection section performing touch detection operation based on the synchronization signal.Type: ApplicationFiled: May 21, 2014Publication date: September 11, 2014Applicant: JAPAN DISPLAY WEST, INC.Inventors: Yoshitoshi Kida, Koji Noguchi, Hiroshi Mizuhashi, Kohei Azumi
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Patent number: 8830277Abstract: An image display device includes an image display panel configured of pixels made up of first, second, third, and fourth sub-pixels being arrayed in a two-dimensional matrix shape, and a signal processing unit into which an input signal is input and from which an output signal based on an extension coefficient is output, and causes the signal processing unit to obtain a maximum value of luminosity with saturation S in the HSV color space enlarged by adding a fourth color, as a variable, and to obtain a reference extension coefficient based on the maximum value, and further to determine an extension coefficient at each pixel from the reference extension coefficient, an input signal correction coefficient based on the sub-pixel input signal values at each pixel, and an external light intensity correction coefficient based on external light intensity.Type: GrantFiled: June 15, 2011Date of Patent: September 9, 2014Assignee: Japan Display West Inc.Inventors: Amane Higashi, Toshiyuki Nagatsuma, Akira Sakaigawa, Masaaki Kabe
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Patent number: 8830409Abstract: A liquid crystal display device includes a first substrate, a second substrate and liquid crystal. The first substrate includes pixel electrodes, a peripheral circuit and a dummy wiring. The peripheral circuit and the dummy wiring are provided outside a pixel area in which the pixel electrodes are arranged. The second substrate is opposed to the first substrate through the liquid crystal. The second substrate includes a translucent conductive film that is provided on an opposite side of the second substrate to a side where the liquid crystal is present. The dummy wiring is located on an outer peripheral side of the substrates than the peripheral circuit and is provided independently of the peripheral circuit in terms of circuit. The dummy wiring is grounded outside the first substrate.Type: GrantFiled: December 26, 2007Date of Patent: September 9, 2014Assignee: Japan Display West Inc.Inventors: Yasuo Segawa, Masaaki Aota, Tomohide Onogi, Hiroshi Matsuda
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Patent number: 8829368Abstract: A resistive film type input device includes: a resistive film which is formed on a surface of the first insulating substrate opposed to the second insulating substrate; feeding electrodes which apply a voltage to the resistive film on the first insulating substrate; a detecting electrode films which are formed on a surface of the second insulating substrate are in an electrically floating state; and a potential detecting unit which detects a potential of a contact location of the resistive film through the detecting electrode film contacted to the resistive film among the detecting electrode films by pressing against.Type: GrantFiled: June 18, 2009Date of Patent: September 9, 2014Assignee: Japan Display West Inc.Inventor: Shoji Hinata
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Patent number: 8830436Abstract: A pixel structure includes: a first planarizing film and a second planarizing film laminated in order on a substrate on which a circuit section is formed; and metallic wiring for electrically connecting two electrodes disposed on the second planarizing film to each other so as to be separated from each other, the metallic wiring being formed between the first planarizing film and the second planarizing film.Type: GrantFiled: November 28, 2011Date of Patent: September 9, 2014Assignee: Japan Display West Inc.Inventors: Masaya Tamaki, Koichi Nagasawa, Shuji Hayashi, Masaaki Kabe, Yoko Fukunaga
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Patent number: 8823907Abstract: An image display apparatus including an image display panel includes: a first color filter for passing light of a first primary and first auxiliary pixels for displaying the first primary; a second color filter for passing light of a second primary and second auxiliary pixels for displaying the second primary; a third color filter for passing light of a third primary and third auxiliary pixels for displaying the third primary; and fourth auxiliary pixels for displaying a fourth color; the first auxiliary pixels, the second auxiliary pixels, the third auxiliary pixels, and the fourth auxiliary pixels being arranged in a two-dimensional matrix, and a light shielding region disposed at least partly around the peripheral edge of each of the fourth auxiliary pixels.Type: GrantFiled: August 16, 2013Date of Patent: September 2, 2014Assignee: Japan Display West Inc.Inventors: Yasuyuki Matsui, Masaaki Kabe, Akira Sakaigawa, Kouji Noguchi, Kenta Seki
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Patent number: 8823653Abstract: A capacitive input device includes a translucent substrate; first translucent electrode lines, extending in a first direction; second translucent electrode lines, extending in a second direction intersecting with the first direction; interlayer insulating layers; and relay electrodes. The first translucent electrode lines intersect with the second translucent electrode lines at intersecting portions. Portions of one of each first translucent electrode line and each second translucent electrode line are connected to each other with the intersecting portions. Portions of the other are separated from each other with the intersecting portions. The translucent interlayer insulating layers overlie the first or second translucent electrode line portions connected to each other with the intersecting portions.Type: GrantFiled: March 28, 2008Date of Patent: September 2, 2014Assignee: Japan Display West Inc.Inventor: Mutsumi Matsuo
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Patent number: 8823915Abstract: Disclosed herein is a liquid crystal display panel in which circumferences of a pair of substrates disposed so as to face each other are stuck at a given distance to each other by a seal material, a liquid crystal inlet is formed in a part of the seal material, and a liquid crystal is sealed in an inner space defined between the substrates paired with each other, the liquid crystal display panel including a resin film being formed on the inner space side of one of the pair of substrates, and an inorganic insulating film being formed on a surface side of the resin film. An area not having the inorganic insulating film being present therein is formed in the liquid crystal panel.Type: GrantFiled: February 15, 2011Date of Patent: September 2, 2014Assignee: Japan Display West Inc.Inventors: Yoshihiro Akai, Masayuki Kametani, Takayuki Kato
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Publication number: 20140240637Abstract: An electro-optical devices includes: a first substrate; a second substrate having one surface opposite to the first substrate; a support member configured to hold the first and second substrates with the second substrate located outside the first substrate, and to include a frame portion surrounding the first and second substrates; a first conductive film formed on the other surface of the second substrate; and a conductor layer placed between the frame portion and the first and second substrates, and electrically connected to the first conductive film. The first conductive film is held at a constant potential via the conductor layer.Type: ApplicationFiled: May 2, 2014Publication date: August 28, 2014Applicant: Japan Display West Inc.Inventor: Yasunori Onishi
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Patent number: 8816973Abstract: Disclosed herein is a position detection apparatus including: a sensor section having a plurality of detection electrodes laid out on a detection surface; a select section configured to select one or more detection electrodes from the detection electrodes; an oscillation section having an oscillation frequency determined by a capacitance generated in the one or more detection electrodes selected by the select section; a conversion section configured to output an output signal representing the frequency of an oscillation signal generated by the oscillation section; and a control section configured to change the frequency of the oscillation signal generated by the oscillation section in accordance with the output signal output by the conversion section.Type: GrantFiled: July 12, 2011Date of Patent: August 26, 2014Assignee: Japan Display West Inc.Inventors: Hiroshi Mizuhashi, Kohei Azumi
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Patent number: 8817197Abstract: A display device includes: an element substrate having a transistor element formed on a surface thereof; an opposing substrate which is disposed to face the element substrate; and a parallax barrier pattern which is directly formed on the surface of either substrate of the element substrate or the opposing substrate at the side opposite to the transistor element side.Type: GrantFiled: February 9, 2011Date of Patent: August 26, 2014Assignee: Japan Display West Inc.Inventor: Takehito Washizawa
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Patent number: 8816733Abstract: A delay locked-loop circuit includes: a phase comparator detecting a phase difference between an external clock and an internal clock; an up/down counter controlling a delay time in accordance with an output signal from the phase comparator; and a delay line including plural unit delay circuits corresponding to plural bits of a signal output from the up/down counter in order to control the delay of the external clock to conform the external clock to the internal clock, and in which the unit delay circuits controlled by the output from a same bit in the output from the up/down counter are not connected adjacently to each other in the connection of the plural unit delay circuits in series.Type: GrantFiled: February 27, 2009Date of Patent: August 26, 2014Assignee: Japan Display West Inc.Inventors: Hiroshi Mizuhashi, Michiru Senda, Gen Koide
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Patent number: 8817055Abstract: The present invention is a data transfer circuit applicable to a liquid crystal display apparatus with a drive circuit formed integrally, for example, on an insulation substrate, and configured such that only an inverted output of a latch result of a first latch section (41) or only a non-inverted output thereof is data-transferred to a second latch section (42) and, at least during a period of data transfer to the second latch section (42), a power supply voltage of the first latch section (41) is raised.Type: GrantFiled: July 6, 2004Date of Patent: August 26, 2014Assignee: Japan Display West Inc.Inventors: Yoshitoshi Kida, Yoshiharu Nakajima
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Patent number: 8816992Abstract: A display device having at least a display circuit for displaying an image, and a light receiving sensor for detecting a light disposed is provided. When a light receiving circuit region including the light receiving sensor is made a dark portion, and a region other than the light receiving circuit region is made a light portion, the display circuit and the light receiving sensor are disposed so that a spatial frequency of a repetitive pattern of the light portions and the dark portions becomes equal to or higher than 10 cpd.Type: GrantFiled: March 31, 2011Date of Patent: August 26, 2014Assignee: Japan Display West Inc.Inventors: Mitsuru Tateuchi, Go Yamanaka, Tsutomu Harada, Takeru Tamayama, Masafumi Matsui
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Publication number: 20140232712Abstract: A scanner includes a plurality of unit circuits configured with transistors of a same conductivity type. In the scanner, the unit circuit constituting the scanner includes an output transistor that selectively outputs, to an output terminal of the unit circuit, a signal given from an outside. A gate electrode of the output transistor is connected to one end of a voltage limiting transistor, and a gate electrode of the voltage limiting transistor is supplied with a first power supply potential.Type: ApplicationFiled: April 28, 2014Publication date: August 21, 2014Applicant: JAPAN DISPLAY WEST INC.Inventor: Yutaka KOBASHI
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Publication number: 20140232973Abstract: A liquid crystal panel includes: first and second substrates arranged to be opposite each other at a predetermined gap; a liquid crystal layer filled between the first and second substrates; alignment films; a counter electrode pattern formed on the first substrate; and a pixel electrode pattern formed on the first substrate so as to have a plurality of electrode branches, the extension direction of which is bent at one bend point provided near an upper pixel portion from the center of a pixel region, and which are connected at the end portion of at least the upper pixel portion or lower pixel portion, wherein the extension direction of a slit formed near the upper pixel portion from the bend point from among slits formed in the pixel electrode pattern crosses the alignment direction of the liquid crystal layer at an angle of 7° or larger.Type: ApplicationFiled: April 28, 2014Publication date: August 21, 2014Applicant: Japan Display West Inc.Inventors: Yoshihiro Sakurai, Hironao Tanaka, Harumi Okuno, Takeo Koito