Abstract: A backlight includes a case having plural apertures in a main face thereof and a light source disposed in the case. A total area of the plural apertures is not less than 8% and not more than 15% of an area of the main face.

Abstract: A display element includes a light source, an optical waveguide, a light-extracting portion. The optical waveguide has two ends and a side surface. One of the two ends is near the light source. The other of the two ends is far from the light source. The side surface extends from the one end to the other end. The light-extracting portion is provided near the side surface to extract light out of the optical waveguide. In addition, the other end changes a light path of forth-traveling light so that an incident angle of back-traveling light is smaller than the incident angle of the forth-traveling light.

Abstract: A display device includes a light source, an optical waveguide, a light-extracting portion, a liquid crystal dispersion layer and a drive circuit. The optical waveguide has two ends to guide light from one of the two ends to the other end. The light is emitted by the light source. The light-extracting portion is provided to a side face of the optical waveguide. The liquid crystal dispersion layer is included in the light-extracting portion and includes liquid crystal droplets whose mean diameter is 100 nm or less. The drive circuit applies a voltage to the light-extracting portion to generate an electric field in the liquid crystal dispersion layer so that the light transmitting through the optical waveguide is scattered to be extracted.

Abstract: A driving method of an image display apparatus includes the steps of: applying a non-selection potential to a first scanning wiring; and applying a selection potential to the first scanning wiring. A voltage applied to an electron-emitting device connected to the first scanning wiring is set to a voltage having a polarity reverse to that of a voltage to be applied upon emitting electrons during at least partial period of a period when the non-selection potential is applied to the first scanning wiring. The voltage applied to the electron-emitting device connected to the first scanning wiring is set to zero volt or to a voltage having a polarity same as that of the voltage to be applied upon emitting electrons and less than the threshold voltage, during a predetermined period before the selection potential is applied to the first scanning wiring.

Abstract: A mobile telephone includes a touch panel, an acceleration sensor which detects an acceleration, and an operation detection unit which detects a predetermined operation in accordance with the acceleration detected by the acceleration sensor while an instruction made by the touch panel is being detected. For this, it is possible to detect an operation to press the touch panel while a user finger is in contact with the touch panel.

Abstract: The invention relates to an optical waveguide capable of extracting light especially from arbitrary positions of the same. An object of the invention is to provide an optical waveguide capable of extracting light efficiently from arbitrary positions of the same. To achieve the above object and according to one aspect of the invention, an optical waveguide is provided with a core for guiding light, a clad and a displacing structure for the core to contact the clad. The core has a first refractive index. The clad has a second refractive index higher than the first refractive index.

Abstract: A display apparatus includes a plurality of light sources which emit light beams, a plurality of optical waveguides which guide the light beams, a plurality of scanning lines which are arranged so as to intersect with the optical waveguides, a plurality of light output elements which, at intersections of the optical waveguides and the scanning lines, output the light beams guided in the optical waveguides by electric signals from the scanning lines, and a scanning line driving unit which drives the scanning lines in a direction opposite to a direction in which the light beams are guided.

Abstract: A mobile device with a camera is disclosed, which includes a first camera for obtaining first image information and a second camera arranged so as to be directed toward a photographer when photographing using the first camera. The mobile device further includes a storage unit storing the first image information sent from the first camera, and a control unit storing the first image information sent from the first camera in the storage unit based on second image information sent from the second camera, such as a state of a face image in an image photographed by the second camera. In a further embodiment, the control unit can store the first image information based on whether a level of a preliminarily set expression of the face image exceeds a threshold.

Abstract: Disclosed is a method for manufacturing an organic EL light emitting display device, comprising forming an anode electrode above a substrate, forming an organic light emitting layer above the anode electrode, performing a fluorinating treatment on a surface of the organic light emitting layer, and forming a cathode electrode directly on the fluorinated surface of the organic light emitting layer.

Abstract: A light emitting apparatus, includes: a substrate; a semiconductor device including a semiconductor layer formed integrally on a major surface of the substrate; and a light emitting device formed separately from the substrate. The light emitting device is mounted on the major surface of the substrate, electrically connected to the semiconductor device, and thermally connected to the substrate.

Abstract: A display apparatus includes a plurality of optical waveguides which are arranged in a row and have light output areas, a plurality of light sources which emit light beams incident upon the optical waveguides, a plurality of scanning lines whose cross-sections have convex portions and concave portions alternately positioned in a column, wherein inner surfaces of each of the convex portions and the concave portions are arranged so as to face the optical waveguides, and, by applying an electric field, the convex portions and the concave portions undergo displacement, and a control unit which controls the scanning lines with the application of an electric field sequentially.

Abstract: A display system is provided with a display apparatus including a plurality of display panels arranged in a line, and connected in series, and connectors to connect the display panels in series, an storage unit to store therein a plurality of area image data on a plurality of areas into which the image to be displayed on the display apparatus is divided, a detection unit to detect a number of connections of the display panels on the basis of a connection state of the connectors, a selection unit to select area image data corresponding to the number from the storage unit, and an output unit to output the selected area image data to the display panels.

Abstract: According to one embodiment, a back plate includes: a base plate including a principal surface on which a plurality of power supplying portions, a plurality of image signal transmitting portions, and a position detecting portion are disposed, each of the position detecting portions being configured to detect a position of a display device having a position marker; and a controller including: a detector configured to detect position information and attitude information of the display device, a selector configured to select at least one of power supplying portions and at least one of image signal transmitting portions, a power supply controller configured to supply an electric power to the selected power supplying portion, an image signal generator configured to produce image signal, and an image signal supply controller configured to supply the produced image signal to the selected image signal transmitting portion.

Abstract: The invention relates to an optical waveguide capable of extracting light especially from arbitrary positions of the same. An object of the invention is to provide an optical waveguide capable of extracting light efficiently from arbitrary positions of the same. To achieve the above object and according to one aspect of the invention, an optical waveguide is provided with a core for guiding light, a clad and a displacing structure for the core to contact the clad. The core has a first refractive index. The clad has a second refractive index higher than the first refractive index.

Abstract: A display apparatus includes a display part in which a plurality of light guide elements are extended in the column direction, and are arranged in the row direction in parallel with each other. A plurality of scanning lines are extended in the row direction to intersect the light guide elements, arranged in the column direction, transmission lines are extended along the light guide elements, and each of the transmission lines is connected to the scanning lines, respectively. Control elements are provided at intersections of the light guide elements and the scanning lines, and each of the control elements causes a part of a light beam traveled in the light guide element to the outside of the light guide element in response to a scanning signal supplied to the scanning line through the transmission line.

Abstract: An electrophoretic display device comprises a first substrate and a second substrate positioned to face each other. A first electrode is so mounted to the first substrate as to face second and third electrodes. The second and third electrodes have an area smaller than that of the first electrode. Also, the distance between the second and third electrodes is set shorter than the distance between the second and first electrodes and the distance between the third and electrodes. A suspension dispersing charged fine particles in an insulating liquid medium is interposed between the first electrode and the second and third electrodes. An AC voltage is applied between the second and third electrodes, and a DC voltage is applied between the first electrode and the second and third electrodes. Thus, the migration of charged fine particles are controlled in accordance with the dielectrophoretic and electrophoretic forces.

Abstract: A driving method of an image display apparatus includes the steps of: applying a non-selection potential to a first scanning wiring; and applying a selection potential to the first scanning wiring. A voltage applied to an electron-emitting device connected to the first scanning wiring is set to a voltage having a polarity reverse to that of a voltage to be applied upon emitting electrons during at least partial period of a period when the non-selection potential is applied to the first scanning wiring. The voltage applied to the electron-emitting device connected to the first scanning wiring is set to zero volt or to a voltage having a polarity same as that of the voltage to be applied upon emitting electrons and less than the threshold voltage, during a predetermined period before the selection potential is applied to the first scanning wiring.

Abstract: An electron-emitting device includes a first electrode; an insulating film that is disposed on the first electrode, includes at least one step in an upper surface thereof, and includes a first surface on a lower step portion of the step and a second surface on an upper step portion of the step; a second electrode that is disposed on the first surface at a distance apart from the step; and a third electrode that is disposed on the second surface at a distance apart from the step.

Abstract: An electrophoretic display device comprises a first substrate and a second substrate positioned to face each other. A first electrode is so mounted to the first substrate as to face second and third electrodes. The second and third electrodes have an area smaller than that of the first electrode. Also, the distance between the second and third electrodes is set shorter than the distance between the second and first electrodes and the distance between the third and electrodes. A suspension dispersing charged fine particles in an insulating liquid medium is interposed between the first electrode and the second and third electrodes. An AC voltage is applied between the second and third electrodes, and a DC voltage is applied between the first electrode and the second and third electrodes. Thus, the migration of charged fine particles are controlled in accordance with the dielectrophoretic and electrophoretic forces.

Abstract: Disclosed is a method for manufacturing an organic EL light emitting display device, comprising forming an anode electrode above a substrate, forming an organic light emitting layer above the anode electrode, performing a fluorinating treatment on a surface of the organic light emitting layer, and forming a cathode electrode directly on the fluorinated surface of the organic light emitting layer.