Patents Assigned to NLT Technologies, Ltd.
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Patent number: 9244298Abstract: A liquid crystal display device includes a liquid crystal (LC) panel; front and rear frames sandwiching therebetween the LC panel; a latch structure engaging together the LC panel and one of the front and rear frames. The latch structure includes a convex portion formed on one of the LC panel and the one of the front and rear panels and a concave portion formed on the other of the LC panel and the one of the front and rear frames to receive therein the convex portion, whereby the latch structure allows and restricts movement of the LC panel with respect to the one of the front and rear frames in a first direction normal to the LC panel and in a second direction parallel to the LC panel, respectively.Type: GrantFiled: February 12, 2010Date of Patent: January 26, 2016Assignee: NLT TECHNOLOGIES, LTD.Inventor: Hiroshi Ishida
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Patent number: 9244546Abstract: Provided is a display device having a viewing angle changing function, which is capable of preventing leakage of information displayed on a display screen even when there is a fault generated in changing the viewing angle. The image display device including a viewing angle changing element capable of changing a wide vision display and a narrow vision display and including a display element is provided with a detection element which detects a fault generated in the viewing angle changing element and a module for changing to a narrow vision display when there is a fault based on a detection value of the detection element. For example, when there is a fault, a transparent heater is operated to heat a liquid crystal layer to set a transparent-scattering changing element to a transparent state and forcibly set the display device to a narrow vision display.Type: GrantFiled: June 20, 2011Date of Patent: January 26, 2016Assignee: NLT TECHNOLOGIES, LTD.Inventors: Koji Mimura, Ken Sumiyoshi
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Publication number: 20160018566Abstract: Provided are a lenticular lens sheet capable of simultaneously achieving an improvement in visibility due to improving bonding accuracy, and low cost due to shape stabilization during processing the lens, a display apparatus and an electronic equipment including the same. The lenticular lens sheet includes a plurality of cylindrical lenses which extend in a direction parallel to each other; and an alignment mark which has two cylindrical lenses among the plurality of cylindrical lenses, a flat part disposed between the two cylindrical lenses, and a structure which is disposed on the flat part and extends between the two cylindrical lenses.Type: ApplicationFiled: July 15, 2015Publication date: January 21, 2016Applicant: NLT TECHNOLOGIES, LTD.Inventors: Jin MATSUSHIMA, Koji SHIGEMURA
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Patent number: 9239499Abstract: Provided are a liquid crystal display apparatus and a light-emitting display apparatus. The liquid crystal display apparatus includes a first substrate, a second substrate, a liquid crystal layer, sub-pixels and an array of cylindrical lenses. Each sub-pixel includes an opening section or sections whose total length taken along the first direction at each of positions ranging in the second direction is constant. In each row of the sub-pixels, the opening sections are arranged such that moving average values of positions of a center of gravity of the opening sections fluctuate within a predetermined range, where the moving average values are calculated by obtaining positions of the center of gravity of the opening sections taken along the first direction at plural positions ranging in the second direction and by averaging the obtained positions within a spot width of the cylindrical lenses for each of the positions ranging in the second direction.Type: GrantFiled: June 18, 2014Date of Patent: January 19, 2016Assignee: NLT TECHNOLOGIES, LTD.Inventor: Hiroyuki Sekine
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Publication number: 20160004122Abstract: To provide a liquid crystal display device conductive tape attaching structure and the like capable of improving the connecting strength without disturbing reduction in the thickness and the size and without disturbing light transmittance. The conductive tape attaching structure of the liquid crystal display device includes: a CF glass substrate where an ITO layer is provided; a polarization plate which is laminated to the CF glass substrate by sandwiching the ITO layer; and a conductive tape having one end which is sandwiched between the CF glass substrate and the polarization plate and connected to the ITO layer.Type: ApplicationFiled: July 6, 2015Publication date: January 7, 2016Applicant: NLT TECHNOLOGIES, LTD.Inventor: Shin-Ichirou ONO
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Publication number: 20160007441Abstract: Disclosed are folding type display apparatuses. The folding type display apparatus comprises a flexible display section, and a plurality of housings, which includes a first housing having a space formed therein, and second and third housings bendably connected to both ends of the first housing. The display section is fixed to the second and third housings, and in a closed state of the second and third housings, a folding portion of the display section is housed in the space formed by the first housing, while in an open state of the second and third housings away from each other, the display section becomes flat, and the first housing functions as a leg protruding from flat surfaces of the second and third housings, so that the second and third housings are fixed to each other and the folding portion of the display section is supported, by a holding member for connecting these housings.Type: ApplicationFiled: July 1, 2015Publication date: January 7, 2016Applicant: NLT TECHNOLOGIES, LTD.Inventor: Yojiro MATSUEDA
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Patent number: 9230993Abstract: Provided are a display apparatus and a manufacturing method of the same. The display apparatus includes: a counter substrate, and an active matrix substrate including a pixel area. The active matrix substrate includes, in a non-transmissive region of each pixel, a transparent substrate, a polycrystalline silicon film, a gate insulating film, a gate electrode, an interlayer insulating film, and a drain layer including patterned conductive films, and includes, in a transparent region of each pixel, the transparent substrate, the gate insulating film and the interlayer insulating film. The interlayer insulating film includes zones where the interlayer insulating film is thinner than a part of the interlayer insulating film at the middle of each transmissive region. The zones are each located so as to extend between the neighboring patterned conductive films and are further located so as not to overlap with the transmissive regions and regions laid over LDD portions of the polycrystalline silicon film.Type: GrantFiled: August 1, 2014Date of Patent: January 5, 2016Assignee: NLT TECHNOLOGIES, LTD.Inventors: Jun Tanaka, Nobuya Seko, Kenichi Hayashi
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Patent number: 9231474Abstract: There are provided a DC/DC converter and a display device. The DC/DC converter includes: an inductor connected to an input terminal; a switching element connected between the inductor and the earth; a diode connected between the inductor and an output terminal; a capacitor connected between the output terminal and the earth; a feedback circuit connected between the output terminal and the earth and outputting a feedback voltage; and an oscillating circuit performing an ON/OFF control of the switching element at a frequency corresponding to the received feedback voltage. The DC/DC converter further includes: a detection circuit which detects an external magnetic field and outputs a signal that is different depending on whether or not the detected magnetic field exceeds a predetermined threshold; and a control circuit performing a control of the DC/DC converter according to the signal, to suppress an overcurrent of the DC/DC converter in a strong magnetic field.Type: GrantFiled: July 8, 2013Date of Patent: January 5, 2016Assignee: NLT TECHNOLOGIES, LTD.Inventor: Kouichi Ooga
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Publication number: 20150379956Abstract: To prevent image retention, the pixel circuit includes: a light emitting element; a driving transistor which supplies an electric current according to an applied voltage to the light emitting element; a capacitor part which holds the voltage containing a threshold voltage and a data voltage of the driving transistor; and a switch part which has the voltage containing the threshold voltage and the data voltage held to the capacitor part and applies the voltage to the driving transistor. Further, the switch part has a function which applies a constant voltage to the driving transistor before having the voltage containing the threshold voltage and the data voltage held to the capacitor part.Type: ApplicationFiled: June 26, 2015Publication date: December 31, 2015Applicant: NLT TECHNOLOGIES, LTD.Inventors: Yoshihiro NONAKA, Yojiro MATSUEDA, Kenichi TAKATORI
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Patent number: 9217872Abstract: 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: GrantFiled: September 27, 2013Date of Patent: December 22, 2015Assignee: NLT TECHNOLOGIES, LTD.Inventors: Shinya Niioka, Koji Shigemura
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Patent number: 9211708Abstract: Provided are a manufacturing method of an inkjet print head, the inkjet print head and a drawing apparatus equipped with the inkjet print head. The manufacturing method includes: forming a separation assisting layer on a substrate; forming heating resistors, thin-film transistors and nozzles for ejecting liquid, on the separation assisting layer; separating the separation assisting layer from the substrate; forming a first heat-conductive layer on the opposite surface of the separation assisting layer from the nozzles; and forming an ink supply port for supplying ink to the nozzles from a first heat-conductive layer side of the inkjet print head.Type: GrantFiled: August 7, 2014Date of Patent: December 15, 2015Assignee: NLT TECHNOLOGIES, LTD.Inventors: Shigeru Mori, Setsuo Kaneko, Hideki Asada
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Publication number: 20150355472Abstract: An image display device includes a display element having a unit of display comprising sub pixels displaying images for first and second view points, respectively, and an optical unit that distributes lights emitted from respective sub pixels into different directions. When a region surrounded by a data line, a gate line and a storage capacitor electrode in the sub pixel is defined as an aperture, the sub pixels form a base unit that is an adjoining pixel pair including two sub pixels arranged via a data line therebetween. The two sub pixels have switching elements connected to the data line between the two sub pixels and controlled by different gate lines. When virtual lines each evenly dividing a width of the sub pixel in the first direction into K+1 pieces are presumed, K number of storage capacitor lines are each arranged across at least one virtual line in the aperture.Type: ApplicationFiled: August 18, 2015Publication date: December 10, 2015Applicant: NLT TECHNOLOGIES, LTD.Inventors: Shinya NIIOKA, Koji SHIGEMURA
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Publication number: 20150355498Abstract: There are provided an apparatus and a method of manufacturing the apparatus. The apparatus includes: a plate-shaped base; a cover plate; and a curable resin adhering the plate-shaped base and the cover plate together. At least one of the plate-shaped base and the cover plate includes a light-shielding member covering a peripheral part of the at least one of the plate-shaped base and the cover plate. In an area which is shielded by the light-shielding member, a part of the curable resin at a side of an inner edge of the light shielding member is lower in one of an elastic modulus, a curing degree, and an adhesion strength than another part of the curable resin at a side of an outer edge of the light shielding member.Type: ApplicationFiled: June 9, 2015Publication date: December 10, 2015Applicant: NLT TECHNOLOGIES, LTD.Inventors: Hitoshi YOSHIDA, Futoshi NAKANISHI, Akira FUJITA
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Patent number: 9210804Abstract: 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: October 20, 2014Date of Patent: December 8, 2015Assignee: NLT TECHNOLOGIES, LTD.Inventor: Mitsuma Ooishi
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Patent number: 9209026Abstract: 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 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: September 30, 2014Date of Patent: December 8, 2015Assignee: NLT TECHNOLOGIES, LTD.Inventors: Kazushige Takechi, Mitsuru Nakata
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Patent number: 9204133Abstract: Provided is a stereoscopic display device provided with a stereoscopic display panel and a display controller, the stereoscopic display panel including a lenticular lens, a color filter substrate, a TFT substrate, etc. Unit pixels arranged in a horizontal direction parallel to the direction in which both eyes of viewer are arranged are alternately used as left-eye pixels and right-eye pixels. The display controller determined, according to temperature information from a temperature sensor, the contraction/expansion of the lens by a stereoscopic image generating module and generates 3D image data for driving the display panel in which the amount of disparity in a specific disparity direction is corrected on the basis of parameter information defined by an effective linear expansion coefficient inherent in the stereoscopic display panel, or the like and the magnitude of the temperature to thereby ensure a predetermined stereoscopic visual recognition range even when the lens are contracted/expanded.Type: GrantFiled: December 3, 2010Date of Patent: December 1, 2015Assignee: NLT TECHNOLOGIES, LTD.Inventors: Koji Shigemura, Di Wu, Michiaki Sakamoto
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Publication number: 20150338669Abstract: Movement of a display device is detected, and an image is displayed in stereoscopic display or planar display depending on the detected movement.Type: ApplicationFiled: August 3, 2015Publication date: November 26, 2015Applicants: NLT TECHNOLOGIES, LTD., NEC CORPORATIONInventors: Tetsusi SATO, Koji SHIGEMURA, Masahiro SERIZAWA
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Patent number: 9195327Abstract: The present invention provides a touch panel with features enabling the external form to be downsized without degrading a detection accuracy of a touch input area and applying an electric voltage to a pair of the electrodes and detecting the output electric voltages inverting the polarity of the voltage. A touch panel of the present invention uses the principle of Apollonius' circle for the touch position detection. Said touch panel is fabricated so that two substrates having a transparent conductive film thereon are place in a manner that said each transparent conductive film is facing each other. A first substrate has one electrode and a second substrate has two pairs of point electrodes. Said two pairs of the point electrodes are arranged in a circumference region of said second substrate.Type: GrantFiled: December 31, 2012Date of Patent: November 24, 2015Assignee: NLT TECHNOLOGIES, LTD.Inventors: Yukihiro Ito, Ichiro Hazeyama, Shizuo Morishita
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Publication number: 20150331154Abstract: A lenticular lens sheet produced by patterning a UV curable resin on one surface of a conventional glass substrate has a problem of the reliability of the UV curable resin. Additionally, stress generated by the UV curable resin causes warpage in production and use of a display device. [Means of Solving the Problems] The present invention provides an optical element that includes a substrate and a resin and satisfies the following formula: RTmax/RTmin?9/5??Formula (1) wherein RTmin represents the resin thickness at the thinnest regions of a major patterned component that is made of the resin, RTmax represents the resin thickness at the thickest regions of the major patterned component that is made of the resin, and T represents the thickness of the substrate.Type: ApplicationFiled: May 19, 2015Publication date: November 19, 2015Applicant: NLT TECHNOLOGIES, LTD.Inventors: Jin MATSUSHIMA, Koji SHIGEMURA
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Patent number: 9188823Abstract: An image display device includes a display element having a unit of display comprising sub pixels displaying images for first and second view points, respectively, and an optical unit that distributes lights emitted from respective sub pixels into different directions. When a region surrounded by a data line, a gate line and a storage capacitor electrode in the sub pixel is defined as an aperture, the sub pixels form a base unit that is an adjoining pixel pair including two sub pixels arranged via a data line therebetween. The two sub pixels have switching elements connected to the data line between the two sub pixels and controlled by different gate lines. When virtual lines each evenly dividing a width of the sub pixel in the first direction into K+1 pieces are presumed, K number of storage capacitor lines are each arranged across at least one virtual line in the aperture.Type: GrantFiled: June 9, 2011Date of Patent: November 17, 2015Assignee: NLT TECHNOLOGIES, LTD.Inventors: Shinya Niioka, Koji Shigemura