Patents Assigned to NLT Technologies, Ltd.
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Patent number: 8943349Abstract: To provide a browsing terminal and the like with high security, which can effectively prevent contents data stored in a terminal from being stolen unlawfully by a third party even if the terminal is accidentally lost. The browsing terminal includes: a receiving part for receiving contents data; a volatile memory for storing the received contents data; a display device with a memory function, which displays the contents data stored in the volatile memory; and a secondary battery for supplying power to the volatile memory and the display device.Type: GrantFiled: April 26, 2013Date of Patent: January 27, 2015Assignee: NLT Technologies, Ltd.Inventors: Michiaki Sakamoto, Kenichi Takatori
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Patent number: 8937700Abstract: The liquid crystal display device includes a transparent electrode formed in a plan form and a strip or strips transparent electrode disposed thereon via an insulating film, and controls display by rotating the liquid crystal aligned substantially in parallel to a substrate within a plane that is substantially in parallel to the substrate by an electric field between the both electrodes. Each pixel constituting the display is divided into two regions, the extending directions of the strip electrode in each of the regions are orthogonal, the alignment azimuths of the liquid crystal of each of the regions are orthogonal, and the angles formed between the extending directions of the strip electrode and the alignment azimuth of the liquid crystal are the same.Type: GrantFiled: November 29, 2012Date of Patent: January 20, 2015Assignee: NLT Technologies, Ltd.Inventors: Shinichi Nishida, Ken Sumiyoshi, Hideki Ito, Mitsuhiro Sugimoto, Hidenori Ikeno
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Patent number: 8937614Abstract: A device, in which circuit size is small and operation is stable, comprises a plurality of serially connected unit registers (shift registers) in which transfer is controlled by any of three or more clock signals each having a different phase, and a setting signal which determines shift direction; and a selection circuit (switch array) which can select at least one clock signal from the three or more clock signals in accordance with the setting signal; wherein the unit registers are put in a reset state by one clock signal selected by the selection circuit, corresponding to each of the unit registersType: GrantFiled: November 4, 2008Date of Patent: January 20, 2015Assignee: NLT Technologies, Ltd.Inventors: Tomohiko Otose, Masamichi Shimoda
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Patent number: 8928620Abstract: A combination flat-panel touch sensor/display device includes a display device substrate on which signal lines, scanning lines and storage capacitance lines for applying electrical signals to liquid crystal are formed. A surface of the flat-panel display device corresponding to a display area has a transparent conductive film serving as an impedance surface. The device further includes current detecting circuits for detecting currents that flow through the impedance surface. In an interval over which the current detecting circuits detect current, at least one of the signal lines, scanning lines and storage capacitance lines is placed at a high impedance. The device reduces thickness without decline in display characteristics.Type: GrantFiled: August 4, 2008Date of Patent: January 6, 2015Assignee: NLT Technologies, Ltd.Inventor: Hiroshi Haga
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Patent number: 8913053Abstract: The degree of an influence from wiring crosstalk between signal lines of a data signal transmission line (video signal line) is decided on the basis of an input signal generated in display controlling unit (a timing controller) at a predetermined timing (at each frame period, at each clock pulse period, or at each horizontal period) and, based on a result of the decision, the voltage amplitude of a data signal is adjusted so that it may exceed an input amplitude specification value for data line driving circuits (data drivers) by a predetermined value.Type: GrantFiled: August 24, 2010Date of Patent: December 16, 2014Assignee: NLT Technologies, Ltd.Inventor: Kouichi Ooga
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Patent number: 8912583Abstract: The present invention provides a thin-film transistor manufactured on a transparent substrate having a structure of a top gate type crystalline silicon thin-film transistor in which a light blocking film, a base layer, a crystalline silicon film, a gate insulating film, and a gate electrode film arranged not to overlap at least a channel region are sequentially formed on the transparent substrate; wherein the channel region having channel length L, LDD regions having LDD length d on both sides of the channel region, a source region, and a drain region are formed in the crystalline silicon film; the light blocking film is divided across the channel region; and interval x between the divided light blocking films is equal to or larger than channel length L and equal to or smaller than a sum of channel length L and a double of LDD length d (L+2d). Thereby, the cost for manufacturing the thin-film transistor is low, and the photo leak current of the thin-film transistor is suppressed.Type: GrantFiled: November 14, 2012Date of Patent: December 16, 2014Assignee: NLT Technologies, Ltd.Inventors: Shigeru Mori, Takahiro Korenari, Hiroshi Tanabe
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Patent number: 8913219Abstract: An IPS-mode transflective LCD device includes an array of pixels each including a reflective region and a transmissive region. The reflective region operates in a normally-white mode, and the transmissive region operates in a normally-black mode. A first potential is applied to a liquid crystal layer in the reflective region, and a second potential is applied to the liquid crystal layer in the transmissive region. The first and second potential have therebetween an opposite magnitude relationship in each of the pixels.Type: GrantFiled: March 15, 2013Date of Patent: December 16, 2014Assignee: NLT Technologies, Ltd.Inventors: Michiaki Sakamoto, Jin Matsushima, Hiroshi Nagai, Kenichi Mori, Hidenori Ikeno, Yasuki Kudo, Ken Sumiyoshi
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Patent number: 8908128Abstract: In a color filter substrate without an overcoat layer, a planarization pattern layer is further provided so as to cover at least an outer step portion of a frame-shaped resin black matrix.Type: GrantFiled: September 11, 2008Date of Patent: December 9, 2014Assignee: NLT Technologies, Ltd.Inventors: Sounosuke Takahashi, Yoshikazu Sakaguchi
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Patent number: 8896516Abstract: There is provided a light emission control circuit being capable of simplifying a power source circuit reducing costs and power consumption. A constant current circuit is serially connected to a specified light emitting device group out of a plurality of light emitting device groups and a power source circuit supplies power to each light emitting device group and a current detecting unit detects a current flowing through a specified light emitting device group and a power control unit controls a power source circuit based on a pre-set current value and on a detected value.Type: GrantFiled: July 3, 2008Date of Patent: November 25, 2014Assignee: NLT Technologies, Ltd.Inventor: Nobuaki Honbo
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Publication number: 20140339432Abstract: There is a problem that in an image sensor including an amplifier in each pixel, when a thin-film semiconductor is used as a transistor constituting the amplifier, voltage continues to be applied between source and gate of the transistor and thereby a threshold voltage value of the transistor varies, resulting in a variation of signal voltage. To solve the problem, a thin-film transistor formed with an oxide semiconductor is used as the transistor constituting the amplifier, and during a period other than a period of outputting an output of the amplifier, source potential of the transistor is controlled to be equal to drain potential thereof.Type: ApplicationFiled: May 15, 2014Publication date: November 20, 2014Applicant: NLT Technologies Ltd.Inventor: Hiroyuki SEKINE
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Patent number: 8887781Abstract: An object of the present invention is to provide a vacuum suction control mechanism apparatus capable of accurately bonding a film to a bonding object with a simple structure. A vacuum suction control mechanism apparatus according to the present invention includes a first member including a plurality of suction holes formed in a surface thereof, the plurality of suction holes being connectable to a decompression source, and a second member capable of contacting the plurality of suction holes, the second member being movable relative to the first member, wherein the second member includes connecting member connecting some of the suction holes, the number of which corresponds to a relative position between the first member and the second member, to the decompression source.Type: GrantFiled: August 20, 2008Date of Patent: November 18, 2014Assignee: NLT Technologies, Ltd.Inventor: Hideki Kodera
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Patent number: 8889480Abstract: A method of forming a thin-film device includes forming an oxide-semiconductor film formed on the first electrical insulator, and forming a second electrical insulator formed on the oxide-semiconductor film, the oxide-semiconductor film defining an active layer. The oxide-semiconductor film is comprised of a first interface layer located at an interface with the first electrical insulating insulator, a second interface layer located at an interface with the second electrical insulator, and a bulk layer other than the first and second interface layers. The method further includes oxidizing the oxide-semiconductor film to render a density of oxygen holes in at least one of the first and second interlayer layers is smaller than a density of oxygen holes in the bulk layer.Type: GrantFiled: March 15, 2013Date of Patent: November 18, 2014Assignee: NLT Technologies, Ltd.Inventors: Kazushige Takechi, Mitsuru Nakata
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Patent number: 8891035Abstract: Provided is a display device capable of preventing, in a case where a flexible printed circuit board is bent to be fixed to a support portion of the display device, a troublesome phenomenon due to a force generated in the flexible printed circuit board by recovery from deformation, that is, spring-back. The display device includes the flexible printed circuit board, and the flexible printed circuit board is disposed in a bent state, and has at least a hole formed therein. The flexible printed circuit board is fixed to a support member (for example, backlight back surface plate, frame, etc.) included in the display device by a first fixation member (for example, double-sided pressure sensitive adhesive tape) and further is fixed to the support member by a second fixation member (for example, pin) through the hole.Type: GrantFiled: February 1, 2011Date of Patent: November 18, 2014Assignee: NLT Technologies, Ltd.Inventor: Mitsuma Ooishi
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Patent number: 8884946Abstract: A subpixel 4S has a parallelogram aperture, which is equivalent upon rotation by 180 degrees in a XY plane and asymmetric about a line R-R? or L-L? parallel to the Y-axis and passing through the center Or or Ol of the subpixel. The subpixels 4S adjacent to each other in the X-axis direction in a unit of display 4U are point-symmetric about the center Ou of the unit of display 4U. The apertures of a right-eye pixel 4R and left eye pixel 4L have the centers Or and Ol around the intersections of the diagonals of their respective parallelograms, respectively. The centers Or and Ol are shifted from a line E-E? to be away from each other in the Y-axis direction.Type: GrantFiled: April 17, 2012Date of Patent: November 11, 2014Assignee: NLT Technologies, Ltd.Inventors: Shinya Niioka, Koji Shigemura
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Patent number: 8884944Abstract: A subpixel is provided with a pixel electrode 4PIX, a pixel thin-film transistor 4TFT, and a charging capacitor electrode CS2. The charging capacitor electrode CS2 is formed in the same layer as a charging capacitor line CS and electrically connected to the charging capacitor line CS. A charging capacitor 4CS is mainly formed between the charging capacitor electrode CS2 and an electrode constituted by a silicon layer 4SI via an insulating film. One of the source and drain electrodes of a pixel thin-film transistor TFT is connected to a data line D via a contact hole 4CONT1 and the other is connected to a pixel electrode 4PIX via a contact hole 4CONT2.Type: GrantFiled: March 28, 2012Date of Patent: November 11, 2014Assignee: NLT Technologies, Ltd.Inventors: Shinya Niioka, Koji Shigemura
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Patent number: 8885126Abstract: A transflective LCD unit includes a liquid crystal (LC) layer: first and second substrates sandwiching therebetween the LC layer to define an array of pixels each including a reflective area and a transmissive area; an electrode assembly for driving the LC layer such that the LC layer in the reflective area is driven in a longitudinal-electric-field mode and the LC layer in the transmissive area is driven in a lateral-electric-field mode; and a reverse-tilt control member for controlling a reverse tilt area in which a reverse tilt of LC molecules occurs near the boundary between the reflective area and the transmissive area.Type: GrantFiled: July 31, 2013Date of Patent: November 11, 2014Assignee: NLT Technologies, Ltd.Inventors: Kenichi Mori, Michiaki Sakamoto, Hiroshi Nagai
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Patent number: 8884868Abstract: A display panel which can be applied to a display device comprises a first substrate, a second substrate and a display element layer. The first substrate has a structure in which a device layer is stacked on an insulating substrate via a first conductive layer. A device layer has at least, a pixel electrode and a wiring that are connected to a pixel switch. The second substrate includes a second conductive layer that is provided so as to face the pixel electrode arranged on the above first substrate. A display element layer is interposed between the above first substrate and the above second substrate.Type: GrantFiled: August 13, 2009Date of Patent: November 11, 2014Assignee: NLT Technologies, Ltd.Inventor: Michiaki Sakamoto
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Patent number: 8884865Abstract: A scanning line driving circuit includes a first transistor having a source electrode connected to a power supply and a drain electrode to a scanning line and a second transistor having a source electrode connected to the scanning line and a drain electrode connected to a clock signal line. The conductivity type of the second transistor is identical to that of the first transistor. A bias can be supplied, so that the first and second transistors are caused to be in an off-state simultaneously.Type: GrantFiled: March 5, 2013Date of Patent: November 11, 2014Assignee: NLT Technologies Ltd.Inventors: Hiroshi Haga, Yoichi Kitagishi
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Patent number: 8878075Abstract: Providing a connecting structure for connecting first electrodes formed on the upper surface of a first substrate to second electrodes formed on the upper surface of a second substrate glued on the upper surface of the first substrate by an electrically conductive member, wherein the second substrate is smaller in its outer size than the first substrate, the first electrodes are arranged on the first substrate around the periphery of the second substrate, a gap is formed between the first and second substrates at the peripheral edge of the second substrate, an insulating resin is arranged near the first electrodes so as to cover portions of the side surfaces of the second substrate and to fill the gap between the first and second substrates, and the electrically conductive member is arranged over regions leading from the first electrodes through the insulating resin to the second electrodes.Type: GrantFiled: May 15, 2012Date of Patent: November 4, 2014Assignee: NLT Technologies, Ltd.Inventor: Akira Fujita
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Publication number: 20140292732Abstract: A display apparatus includes: a liquid crystal display element in which a plurality of display units including at least a pixel that displays an image for a first eyepoint and a pixel that displays an image for a second eyepoint are arranged in a matrix shape; an optical unit which distributes light emitted from the pixel that displays the image for the first eyepoint and light emitted from the pixel that displays the image for the second eyepoint in mutually different directions; a first control electrode and a second control electrode disposed on each pixel in the display units; and a plurality of domain regions of which the orientation is controlled by a diagonal electric field or a lateral electric field formed by the first control electrode and the second control electrode and which have different liquid crystal molecule orientation states.Type: ApplicationFiled: September 27, 2013Publication date: October 2, 2014Applicant: NLT Technologies, Ltd.Inventors: Shinya NIIOKA, Koji SHIGEMURA