Abstract: A work vehicle includes travel devices; a battery; a motor; an inverter configured to operate the motor; an operation section including a steering wheel configured to operate the travel devices, and an operator seat; a transmission case housing a transmission for travel; and a transmission shaft, wherein the motor is between a front travel device and a rear travel device in a side view and below the steering wheel, and the motor, the transmission shaft, the transmission, and the travel devices are configured such that motive power from the motor is transmitted to the transmission via the transmission shaft and transmitted from the transmission to the travel devices.

Abstract: The present invention relates to an organic light-emitting device capable of suppressing deterioration of organic EL elements at the corners of an emission region. The organic light-emitting device includes a planarization film which planarizes thin film transistors arranged in an emission region where pixels are arranged, an element separation film which defines the pixels formed on the planarization film, a charge transport layer formed on the planarization film in each pixel. The charge transport layer contains any one of alkali metals and alkaline-earth metals and extends to outside of the emission region so as to cover the side surface of a peripheral portion of the planarization film, which is disposed in a peripheral region, the planarization film being formed in the emission region.

Abstract: Light is prevented from being emitted from a region that overlaps a contract hole in a structure in which light emitting devices are stacked. A stacked organic electro-luminescent display apparatus includes a contact hole that electrically connects a first electrode or a second electrode to a driving circuit. The first or second electrode and a second organic compound layer are provided in the contact hole, and the second organic compound layer existing in the contact hole does not emit light.

Abstract: Provided is an organic electroluminescence display apparatus capable of reducing a chromaticity difference caused by light emission from an organic layer including an emission layer having the same color, which is continuously formed over two sub-pixels included in a pixel. The organic electroluminescence display apparatus includes: a substrate; and multiple organic electroluminescence devices which are stacked on the substrate, each of which includes electrodes and an organic layer sandwiched by the electrodes in which first organic layer and a second organic layer are arranged side by side in an emission region corresponding to a pixel formed on the substrate and a third organic layer is stacked over the first organic layer and the second organic layer through an intermediate electrode. The third organic layer has an emission spectrum peak wavelength which is longer than an emission spectrum peak wavelength of at least one of the first organic layer and the second organic layer.

Abstract: A organic light-emitting device includes a substrate including at least a base material, at least one organic light-emitting element which includes (a) a pair of electrodes provided on the substrate and an organic compound layer disposed between the pair of electrodes, and (b) provides a light-emitting area, an inorganic sealing layer provided on the organic light-emitting element and the surface of the substrate, and an adhesion layer which is provided between the substrate and the inorganic sealing layer and only on the periphery of the light-emitting area for closely contacting the surface of the substrate and the inorganic sealing layer, and inhibits moisture from intruding at an edge of the inorganic sealing layer.

Abstract: The present invention provides a stack type organic electroluminescence display apparatus which can be structured to be an active matrix type. The organic electroluminescence display apparatus of the active-matrix driving system includes: a display region having a plurality of pixels each of which includes at least two subpixels, wherein the subpixels have three or more light-emitting devices stacked thereon each of which is configured by sandwiching between electrodes an organic layer including an emission layer, and any of the emission layers emits a light of different colors from each other and is commonly formed in all pixels; and a circuit for applying voltage to between the electrodes of the light-emitting device, wherein at least one light-emitting device among the stacked light-emitting devices is nonemission-treated.

Abstract: There is provided a display apparatus that can improve the protective function and light utilization efficiency of organic EL devices and that has a simple structure. The display apparatus includes a plurality of organic EL devices formed on a substrate and a protective layer formed on the organic EL devices. The protective layer includes a first protective layer made of an inorganic material, a second protective layer made of a resin and having a microlens formed therein, and a third protective layer made of an inorganic material.

Abstract: In a display apparatus in which light from a light-emitting element is extracted by an optical element, a difference in reflection characteristics between a display area including the optical element corresponding to the light-emitting element and a non-display area including no optical element impairs the appearance of the display apparatus. Optical elements are uniformly disposed in a display area and a non-display area of a display apparatus.

Abstract: An organic EL display apparatus includes a plurality of pixels and a lens array which includes a light-condensing lens portion and a flat portion disposed on the light-emitting surface side of each pixel. Each pixel includes a light-emitting layer contained between a pair of electrodes. Part of the light emitted from the light-emitting layer is condensed by the light-condensing lens portion. A top surface of the light-condensing lens portion overlies the light-emitting region, and a part of the light-condensing lens portion is located outside the light-emitting region.

Abstract: Provided is a manufacturing method for an organic electroluminescence display apparatus in which processing uniformity is kept during partial removal processing of an electrode layer or an organic compound layer. The organic electroluminescence display apparatus includes: a substrate; and a light-emitting device including an organic compound layer including an emission layer sandwiched between electrodes formed on the substrate, in which: two or more of the light-emitting devices are provided, and the light-emitting devices are stacked in a direction perpendicular to the substrate; at least one of the electrodes and the organic compound layers in the two or more light-emitting devices includes openings; and the openings are positioned so as not to overlap with one another in the direction perpendicular to the substrate.

Abstract: A display apparatus includes a display portion and a control portion, and effects color display depending on image signals for three colors. The control portion includes means 10, into which the image signals for three colors are inputted, for generating a first display signal for determining a brightness of predetermined one color at the display portion and second display signals for determining a hue of other two colors or an intermediary color therebetween at the display portion.

Abstract: An electrophoretic display device includes a substrate, a partition wall disposed on a surface of the substrate, and a liquid layer, disposed in a container defined by the substrate and the partition wall, including electrophoretic particles and a dispersion medium. In addition, a first electrode is formed at a position apart from the partition wall on the substrate, a second electrode is formed along the partition wall, and a voltage applicator applies a voltage between the first electrode and the second electrode. At the surface of the substrate defining the container, a resistance layer electrically connecting the first electrode and the second electrode is formed, and the electrophoretic particles in the container are moved between a surface of the partition wall and a surface of the resistance layer to effect display.

Abstract: A color display apparatus is of the type wherein a unit pixel is constituted by at least three subpixels including first to third subpixels, and at each subpixel, a medium for changing an optical property depending on a voltage applied thereto is disposed. The color display apparatus includes means for applying a voltage, to each of the first to third subpixels, for changing the optical property of the medium within a brightness change range in which light passing through the medium is changed in brightness and a hue change range in which the light passing through the medium assumes chromatic color and a hue of the chromatic color is changed while including combinations of red and green, red and blue, and green and blue for the first to third subpixels, respectively.

Abstract: An organic EL display apparatus includes a plurality of pixels and a lens array which includes a light-condensing lens portion and a flat portion disposed on the light-emitting surface side of each pixel. Each pixel includes a light-emitting layer contained between a pair of electrodes. Part of the light emitted from the light-emitting layer is condensed by the light-condensing lens portion. A top surface of the light-condensing lens portion overlies the light-emitting region, and a part of the light-condensing lens portion is located outside the light-emitting region.

Abstract: Provided are an organic light emitting apparatus for use in, for example, a flat device display, and a method of producing the apparatus. The organic light emitting apparatus has sides formed by division at ends of its substrate. Three-dimensional portions are formed on the surface of the substrate along the sides. An inorganic sealing layer is formed to extend toward the three-dimensional portions.

Abstract: Provided are an organic light emitting apparatus for use in, for example, a flat device display, and a method of producing the apparatus. The organic light emitting apparatus has sides formed by division at ends of its substrate. Three-dimensional portions are formed on the surface of the substrate along the sides. An inorganic sealing layer is formed to extend toward the three-dimensional portions.

Abstract: Provided is a manufacturing method for an organic electroluminescence display apparatus in which processing uniformity is kept during partial removal processing of an electrode layer or an organic compound layer. The organic electroluminescence display apparatus includes: a substrate; and a light-emitting device including an organic compound layer including an emission layer sandwiched between electrodes formed on the substrate, in which: two or more of the light-emitting devices are provided, and the light-emitting devices are stacked in a direction perpendicular to the substrate; at least one of the electrodes and the organic compound layers in the two or more light-emitting devices includes openings; and the openings are positioned so as not to overlap with one another in the direction perpendicular to the substrate.

Abstract: A top-emission type organic EL panel has a substrate carrying thin film transistors formed thereon, a plurality of organic EL devices formed on the substrate, each of the organic EL devices including a reflecting electrode, organic compound layers and a transparent electrode arranged in this order from the substrate side, a device separation layer formed in a space separating adjacently located organic EL devices, a protective layer covering the organic EL devices and the device separation layer and a light-shielding layer formed on the protective layer in a display region other than light emitting sections of the organic EL devices so as to be held in contact with the protective layer and cover at least part of lateral surfaces of the device separation layer.

Abstract: The present invention relates to an organic light-emitting device capable of suppressing deterioration of organic EL elements at the corners of an emission region. The organic light-emitting device includes a planarization film which planarizes thin film transistors arranged in an emission region where pixels are arranged, an element separation film which defines the pixels formed on the planarization film, a charge transport layer formed on the planarization film in each pixel. The charge transport layer contains any one of alkali metals and alkaline-earth metals and extends to outside of the emission region so as to cover the side surface of a peripheral portion of the planarization film, which is disposed in a peripheral region, the planarization film being formed in the emission region.

Abstract: The present invention provides a stack type organic electroluminescence display apparatus which can be structured to be an active matrix type. The organic electroluminescence display apparatus of the active-matrix driving system includes: a display region having a plurality of pixels each of which includes at least two subpixels, wherein the subpixels have three or more light-emitting devices stacked thereon each of which is configured by sandwiching between electrodes an organic layer including an emission layer, and any of the emission layers emits a light of different colors from each other and is commonly formed in all pixels; and a circuit for applying voltage to between the electrodes of the light-emitting device, wherein at least one light-emitting device among the stacked light-emitting devices is nonemission-treated.