Abstract: This light-diffusing member includes a light-transmissive substrate, a plurality of wavelength-controlling layers formed on one surface of the light-transmissive substrate, and a light-diffusing portion formed on the one surface of the light-transmissive substrate in a region other than a region where the wavelength-controlling layers are formed.

Abstract: There is provided a suction tool for a vacuum cleaner that can easily remove dust entangled around a rotating brush with a small force in a sanitary manner with clean hands without spreading dust. The suction tool includes dust removing means 39 for removing dust adhering to a rotating brush 30, the dust removing means 39 includes a first remover that has substantially the same shape as a trough 34 between cleaning bodies 33 or between cleaning body holding portions 32 of the rotating brush 30, and is guided in an axial direction of the rotating brush 30 within the trough 34.

Abstract: The light diffusion member includes a substrate having light transmissivity, a plurality of light shielding layers, and light diffusion portions. The light diffusion portions have a light-emitting end surface, a light incident end surface which has a larger area than the area of the light-emitting end surface, and a reflecting face. Light which enters from the light incident end surface is anisotropically diffused in an azimuth direction seen from a normal direction of the substrate, and the height from the light incident end surface to the light-emitting end surface of the light diffusion portion is configured to be greater than the thickness of the light shielding layers. The azimuth direction where the diffusion by the light diffusion portion is relatively strong, and any one side making up the outer shape of the substrate, are generally parallel.

Abstract: Provided is a liquid crystal device including: a liquid crystal panel including a first substrate having a first vertical alignment film, a second substrate having a second vertical alignment film, a liquid crystal layer which is interposed between the first vertical alignment film and the second vertical alignment film and has a negative dielectric anisotropy, a first polarizing plate that is disposed on a light-incident side of the liquid crystal layer, and a second polarizing plate that is disposed on a light-emitting side of the liquid crystal layer; an illuminating device which is disposed on a light-incident side of the liquid crystal panel, and emits light toward the liquid crystal panel; and a light control member which is disposed on a light-emitting side of the liquid crystal panel, and diffuses light that is emitted from the liquid crystal panel in an azimuth angle direction and a polar angle direction viewed from a normal direction of the liquid crystal panel to control an emission direction of th

Abstract: A cyclonic separator and a vacuum cleaner which efficiently separates dust, collect the dust without re-scattering it and make low noise are provided. In a primary cyclone portion 10, a primary swirl chamber 12 swirls air containing dust sucked from a primary inlet 11, and thereby, separates a first dust and a second dust from the air containing dust to collect them respectively in a zero-order dust case 114 which is provided at a side of the primary swirl chamber 12 and communicates with a zero-order opening portion 113 provided at a side wall, and a primary dust case 14 provided at a lower side of the primary swirl chamber 12.

Abstract: The noise reduction apparatus according to the present disclosure includes a plurality of loudspeakers, control sound signal generating units, and a plurality of error microphones. Each of the control sound signal generating units generates control sound signal based on the error sound detected by a corresponding error microphone of the plurality of error microphones. The noise reduction apparatus further including an input switching unit that, when a level of the noise at a predetermined position is higher than the predetermined threshold value, feeds an error audio signal at a predetermined control point of the plurality of control points or a control point that is newly set based on the plurality of control points into each of the control sound signal generating units, the number of the newly set control point being less than the number of the plurality of control points.

Abstract: The light control film includes a base material with transparency and a light control layer that is provided on a side of a surface which faces a display surface of a display panel in the base material, has a light shielding portion which is formed on one surface of the base material, and controls an emission direction of light by diffusing light which is emitted from the display surface, in which the light control layer includes a light emission end surface that contacts with the base material, a light incident end surface that faces the light emission end surface and has a larger area than an area of the light emission end surface, and a reflection surface that contacts with the light emission end surface and the light incident end surface and reflects light which is incident from the light incident end surface, a height from the light incident end surface to the light emission end surface is larger than a layer thickness of the light shielding portion, and the reflection surface reflects light to allocate

Abstract: A cyclone separation device includes: a swirl chamber that swirls air containing dust along a side wall therein, and separates dust from the air containing dust; a first dust collection chamber that communicates with an inside of the swirl chamber through a first opening formed in the side wall of the swirl chamber; a second dust collection chamber that communicates with the inside of the swirl chamber through a second opening formed on a downstream side of the first opening in the swirl chamber; a discharge pipe that communicates with a discharge port for discharging air in the swirl chamber; and a plurality of inlets that are provided on an upstream side of the first opening, and through which the air containing dust flows into the swirl chamber.

Abstract: A dust collection unit includes a swirl chamber, dust collection chambers, a discharge pipe, an inlet pipe, a bypass inlet, and a bypass inlet airflow passage. The swirl chamber swirls, along a side wall, dust-containing air having entered from a primary inlet and a secondary inlet having a smaller opening area than the primary inlet, and separates dust from the dust-containing air. The dust separated by the swirl chamber is collected by the dust collection chambers. A discharge pipe has a discharge opening. The inlet pipe allows the dust-containing air to flow from the primary inlet into the swirl chamber. A bypass inlet is formed in the inlet pipe. The bypass inlet airflow passage allows the dust-containing air in the inlet pipe having entered from the bypass inlet to flow from the secondary inlet into the swirl chamber.

Abstract: A liquid crystal display device includes: a liquid crystal panel that includes a first substrate having a first vertical alignment film, a second substrate having a second vertical alignment film, a liquid crystal layer having a negative dielectric anisotropy, a first polarizing plate, and a second polarizing plate; an illuminating device; and a light control member that is disposed on a light emission side of the liquid crystal panel. The light control member diffuses light that is emitted from the liquid crystal panel in an anisotropic manner in an azimuth angle direction viewed from a normal direction of the liquid crystal panel to control an emission direction of the light.

Abstract: Provided is a display device including a light-diffusing member that includes a substrate, a plurality of light-shielding layers, and a light-diffusing section, and a polarizing plate.

Abstract: A noise reduction device includes a noise controller, a control sound output component and a residual sound detector. The noise controller is configured to produce a control sound signal for canceling out noise. The control sound output component is configured to output a control sound based on the control sound signal produced by the noise controller. The residual sound detector is configured to detect a residual sound produced by superposition of noise and the control sound outputted from the control sound output component. The control sound output component and the residual sound detector are housed in the shell. The control sound output component and the residual sound detector are away from a rear face of the seat.

Abstract: A noise reduction device, including a microphone for detecting noise, a noise controller for reversing the phase of noise detected by the microphone based on information outputted from the microphone, and a speaker for outputting sound based on information outputted from the noise controller, is arranged at a seat surrounded by a shell portion having a cavity, wherein a speaker is disposed in the cavity of the shell portion.

Abstract: The present invention provides a solar cell module which has high design freedom and can be easily manufactured at low cost. A solar cell module (10) includes (i) a light guide plate (1), (ii) a fluorescence-dispersed film (2) in each of which a fluorescent substance is dispersed and which is adhered to respective at least one surface of the light guide plate (1), and (iii) a solar cell element (3) which is provided on another surface of the light guide plate (1) which another surface being perpendicular to the at least one surface. Therefore, it is not necessary to prepare a light guide plate in which a fluorescent substance is dispersed. Moreover, it is possible to arbitrarily pattern the fluorescence-dispersed film (2) or to stack the fluorescence-dispersed films (2).

Abstract: A smartphone (10) includes an area information obtaining unit (17), a map information obtaining unit (18), and a display unit (12). The area information obtaining unit (17) obtains area information indicating at least one area communicable directly or indirectly. The map information obtaining unit (18) obtains location information indicating a location associated with the airplane (2). The display unit (12) displays the area information and the location information in a superimposed manner.

Abstract: A light-controlling element includes an illumination unit capable of controlling an amount of emitted light, and a light guide body on which the light emitted from the illumination unit is incident. The light guide body has a function of propagating the light while totally reflecting the light inside the light guide body, and the light guide body has a function of propagating the light emitted from the illumination unit at a plurality of different propagation angles inside the light guide body. The light guide body includes a plurality of light extraction regions having a function of extracting the light to the outside. At least two of the plurality of light extraction regions have different incidence angle ranges in which the light is capable of being extracted to the outside.

Abstract: A solar cell module includes a light collector, a solar cell element, and a frame. The light collector includes a main surface and an end surface, allows the external light to be incident from the main surface and allows the light propagating through the inside to be emitted from the end surface. The solar cell element is provided so as to face the end surface and receives the light emitted from the end surface to perform photoelectric conversion. The frame holds a peripheral edge portion of the light collector. The light collector includes a through hole which is provided in the inside in relation to the frame when seen from the main surface side and penetrates the light collector in a thickness direction or a notched s portion which is provided in the inside in relation to the frame when seen from the main surface side and extends from the main surface to a rear surface in the peripheral edge portion.

Abstract: Provided is a liquid crystal display device in which grayscale inversion when viewing a liquid crystal panel in an oblique direction is suppressed, thereby being excellent in viewing angle characteristics. The liquid crystal display device includes a liquid crystal panel that includes a pair of substrates, a liquid crystal layer disposed between the pair of substrates, and a pair of polarization plates respectively arranged in the liquid crystal layer on a light incident side and a light emission side, an illumination device that is arranged on the light incident side of the liquid crystal panel and emits light toward the liquid crystal panel, and a light diffusion member that is arranged on the light emission side of the liquid crystal panel and causes light emitted from the liquid crystal panel to be diffused in an azimuthal direction viewed from a normal direction of the liquid crystal panel.

Abstract: In a three dimensional video display device (1), an LED unit (10) rotates in the direction of the arrow (24) along top and bottom edges of a display section (28). The LED unit (10) has a left-eye LED array (6) and a right-eye LED array (8), each including plural LEDs (4) aligned in a column. The left-eye LED array (6) displays a left-eye image through an afterimage effect produced by displaying, while rotating, columns of pixel groups constituting the left-eye image. The right-eye LED array 8 displays a right-eye image through an afterimage effect produced by displaying, while rotating, columns of pixel groups constituting the right-eye image. Light from the left-eye image enters the left eye of a viewer, whereas light from the right-eye image enters the right eye. The viewer recognizes a three dimensional image in a range of 360° around the viewer based on binocular parallax.

Abstract: A light diffusing member includes a base material having a light transmitting property; a plurality of light blocking sections that are formed in a scattered manner at one surface of the base material; and a light transmissive material layer that is formed at the one surface of the base material. A thickness of the light transmissive material layer is larger than a thickness of each light blocking section. The light transmissive material layer has hollow portions in regions where the light blocking sections are formed. Each hollow portion has a shape in which a cross-section area when each hollow portion is cut at a plane that is parallel to the one surface of the base material is large on a side of the corresponding light blocking section and becomes gradually smaller with increasing distance from the corresponding light blocking section. A portion of the light transmissive material layer other than where the hollow portions are formed is a light transmitting section.