Abstract: A piezoelectric sensor device includes a piezoelectric element, a polarization processing unit and a controller. The piezoelectric element has a pair of electrodes sandwiching a piezoelectric body. The polarization processing unit is configured to execute polarization processing in which polarization voltage is applied to the polarization element.

Abstract: This invention offers a liquid crystal display device according to FFS technology. A pixel electrode is formed of a first layer transparent electrode. A common electrode made of a second layer transparent electrode is formed above the pixel electrode interposing an insulation film between them. The common electrode in an upper layer is provided with a plurality of slits. The common electrode extends over all the pixels in a display region. An end of the common electrode is disposed on a periphery of the display region and connected with a peripheral common electric potential line that provides a common electric potential Ycom. There is provided neither an auxiliary common electrode line nor a pad electrode, both of which are provided in a liquid crystal display device according to a conventional art.

Abstract: An photodetector includes: a first light receiving element that receives light including ambient light; a second light receiving element that receives light including the ambient light; and a red color filter disposed on an optical path through which the ambient light is incident on the second light receiving element.

Abstract: The invention is directed to reduction of a leak current of a TFT of a pixel caused by light from a backlight or external light to improve a display quality of a liquid crystal display device. The display device of the invention includes a plurality of pixels on a first substrate, where each of the pixels includes a gate line intersecting a semiconductor layer with a gate insulation film interposed therebetween, a drain line connected to a drain region through a first contact hole and covering an upper side of the semiconductor layer extending from an intersection, and a source electrode connected to a source region through a second contact hole and covering an upper side of the semiconductor layer extending from an intersection. The device further includes a light shield layer formed under the semiconductor layer with a buffer film interposed therebetween and shielding the semiconductor layer from light.

Abstract: A liquid crystal display device includes a first substrate having a first electrode and a second electrode, a second substrate, a liquid crystal interposed between the first substrate and the second substrate, pixels each having a transmissive portion for performing a transmissive display and a reflective portion for performing a reflective display, and a driving circuit driving the pixels. Here, a third electrode is disposed in the second substrate opposed to the first substrate with the liquid crystal interposed therebetween. The first electrode is disposed in the transmissive portion along with the second electrode and is also disposed in the reflective portion along with the third electrode. The driving circuit is provided to independently apply potentials to the second electrode and the third electrode.

Abstract: A method for manufacturing an electro-optical device including an element substrate which includes a plurality of pixels including pixel electrodes and which is connected to a circuit board includes providing a UV-curable molding member on the element substrate such that the molding member extends from the element substrate to the circuit board and also includes curing the molding member by irradiating the molding member with UV light. The element substrate includes an electrostatic protection circuit. The electrostatic protection circuit is shielded from the UV light applied to the molding member in the operation of curing the molding member.

Abstract: Transmittance and contrast of a liquid crystal display device according to FFS method are improved. A plurality of picture elements, each made of an R pixel, a G pixel and a B pixel, is disposed in a matrix form. In each of the pixels, a gate signal line extends in a left to right direction and a display signal line extends in a top to bottom direction so as to cross the gate line. A thin film transistor for pixel selection is disposed around an intersection of the gate line and the display signal line. There is provided a pixel electrode connected with the thin film transistor. A common electrode is provided on the pixel electrode through an insulation film. A plurality of slits having edges at borders between the picture elements is disposed in the common electrode to cross each of the picture elements in the left to right direction.

Abstract: A liquid crystal display includes a liquid crystal disposed between a first transparent substrate and a second transparent substrate, a first electrode and second electrode which overlie the first transparent substrate and which are used to drive the liquid crystal, one or more layers overlying the first electrode, and one or more layers overlying the second electrode. The correlation between layers disposed between the first electrode and the liquid crystal agrees with the correlation between layers disposed between the second electrode and the liquid crystal.

Abstract: A liquid crystal display device includes a substrate, an insulating layer, an upper electrode layer, and a lower electrode layer. The upper electrode layer and the lower electrode layer are formed on the same the substrate via the insulating layer. A plurality of openings are formed in the upper electrode layer and arranged parallel to each other so that an electric field is passed therethrough. Liquid crystal molecules are driven by applying voltage between the upper electrode layer and the lower electrode layer. A minor axis of each of the openings has a width in a range in which a V-T curve, which represents a relationship between voltage and transmittance ratio, does not shift with variation in the width of the minor axis.

Abstract: A liquid crystal display device includes a substrate, an insulating layer, an upper electrode layer, and a lower electrode layer. The upper electrode layer and the lower electrode layer are formed on the same the substrate via the insulating layer. A plurality of openings are formed in the upper electrode layer and arranged parallel to each other so that an electric field is passed therethrough. Liquid crystal molecules are driven by applying voltage between the upper electrode layer and the lower electrode layer. A minor axis of each of the openings has a width in a range in which a V-T curve, which represents a relationship between voltage and transmittance ratio, does not shift with variation in the width of the minor axis.

Abstract: In a liquid crystal display device according to a FFS method, a line inversion drive with suppressed crosstalk due to a signal distortion is made available. Pixels A are disposed in sequence in a left to right direction in a first row, while pixels B are disposed in sequence in the left to right direction in a second row that is below the first row. In the pixel A, a pixel electrode is formed of the first layer transparent electrode and connected with a thin film transistor through a contact hole. In the pixel B, a common electrode is formed of the first layer transparent electrode and connected with a common electric potential line through a contact hole. Also in the pixel A, a common electrode having a plurality of slits is formed of the second layer transparent electrode and connected with the common electric potential line through a contact hole.

Abstract: A liquid crystal display device includes a first substrate, a second substrate, and liquid crystal. The first substrate includes pixel electrodes, at least one common electrode, and a circuit wiring. The second substrate is opposed to the first substrate and includes a translucent conductive film. The liquid crystal is held between the first substrate and the second substrate. The circuit wiring is arranged outside a pixel area in which a plurality of pixels, which are formed of the pixel electrodes and the at least one common electrode, are arranged. The translucent conductive film is arranged on an opposite side of the second substrate to a side where the liquid crystal is present, and the translucent conductive film is opposed to the pixel electrodes and the at least one common electrode. The translucent conductive film is maintained at a predetermined electric potential.

Abstract: A liquid crystal panel includes a line extending between a first pixel and a second pixel which are adjacent to each other; a first pixel element portion for the first pixel; and a second pixel element portion for the second pixel. The first pixel element portion is provided on a side with respect to the line where the first pixel is disposed. The second pixel element portion is provided, along with the first pixel element portion, on the side with respect to the line where the first pixel is disposed.

Abstract: An photodetector includes: a first light receiving element that receives light including ambient light; a second light receiving element that receives light including the ambient light; and a red color filter disposed on an optical path through which the ambient light is incident on the second light receiving element.

Abstract: A liquid crystal display device includes an upper electrode and a lower electrode interposing an insulation layer therebetween, wherein an electric field opening part for passing an electric field is formed in the upper electrode and liquid crystal molecules are driven by applying a voltage between the lower electrode and the upper electrode, wherein a window-shaped opening part formed by partially removing the lower electrode for connecting an upper electrode wiring and the upper electrode, which interpose an interlayer insulation film therebetween, together is disposed in a lower part of the lower electrode, and wherein one end portion of the electric field opening part in the longitudinal direction around the window-shaped opening part is disposed to be overlapped with the window-shaped opening part in a plan view.

Abstract: The invention prevents the reduction of a display quality caused by a light leak current of a thin film transistor used in a display device. A lower metal layer is formed on a substrate, and a buffer film, a semiconductor layer, a gate insulation film, and a gate wiring are formed thereon in this order. An interlayer insulation film having contact holes is formed on the gate wiring. A source wiring and a drain wiring connected to a source and a drain of the semiconductor layer through the contact holes respectively extend onto the interlayer insulation film. The source wiring, the drain wiring, and the lower metal layer extend from contact hole side respectively to cover a region that does not extend over an end of the gate wiring in the width direction on or under the semiconductor layer and the gate wiring.

Abstract: A liquid crystal display includes: a pair of substrates; a liquid crystal layer sandwiched between the pair of substrates; an insulating layer provided for a first substrate of the pair of substrates; an upper electrode provided for the first substrate; and a lower electrode provided for the first substrate. The upper electrode is formed on the surface of the insulating layer adjacent to the liquid crystal layer. The upper electrode includes a plurality of branches each having a slit therebetween. The insulating layer has irregularities.

Abstract: A liquid crystal display includes a liquid crystal disposed between a first transparent substrate and a second transparent substrate, a first electrode and second electrode which overlie the first transparent substrate and which are used to drive the liquid crystal, one or more layers overlying the first electrode, and one or more layers overlying the second electrode. The correlation between layers disposed between the first electrode and the liquid crystal agrees with the correlation between layers disposed between the second electrode and the liquid crystal.

Abstract: An active matrix liquid crystal display device includes a pixel transistor, a wiring layer, a first insulating layer, a lower electrode layer, a second insulating layer, and an upper electrode layer. The wiring layer is connected to the pixel transistor. The first insulating layer is provided on the pixel transistor and the wiring layer. The lower electrode layer is provided on the first insulating layer and used as one of a common electrode layer and a pixel electrode layer. The second insulating layer is provided on the lower electrode layer. The upper electrode layer is provided on the second insulating layer and used as the other of the common electrode layer and the pixel electrode layer. The thickness t of the second insulating layer satisfies t<[(?0?/W)×{(0.025381/P)2/6}]/(100×10?9) and t>[(?0?/W)×{(0.

Abstract: A liquid crystal display includes: a pair of substrates; a liquid crystal layer sandwiched between the pair of substrates; an insulating layer provided for a first substrate of the pair of substrates; an upper electrode provided for the first substrate; and a lower electrode provided for the first substrate. The upper electrode is formed on the surface of the insulating layer adjacent to the liquid crystal layer. The upper electrode includes a plurality of branches each having a slit therebetween. The insulating layer has irregularities.