Abstract: The visibility of the external scene from the inside of the transmissive transparent screen when the video image is not displayed and the visibility of the video image from the outside when the video image is displayed are satisfied. In a video image display system comprising a projection device 100 and a transmissive transparent screen 1 having a first surface and a second surface on the opposite side of the first surface, having a visible light transmittance of at least 5[%], and displaying video images projected from the projection device 100 installed on the first surface side, as video images visible to an observer on the second surface side, the following formula 1 is satisfied: ?1.5?ln(((B/A)/I)×G)?3.9??Formula 1 in the formula 1, A is the projection area [m2] of the projection device 100, B is the luminous flux [lm] projected onto A by the projection device 100, I is the ambient illuminance [lx] at the side of the second surface, and G is the screen gain of the transparent screen 1.

Abstract: A transparent display apparatus includes a first transparent substrate, light emitting units arranged for respective pixels on the first transparent substrate, and a strip unit connected to the light emitting units, wherein each of the light emitting units includes at least one light emitting diode having a size of area of 10,000 ?m2 or less, and a size of area having a transmittance of 20% or less accounts for 30% or less of a display area.

Abstract: There are provided a video projecting structure, which is capable of having not only transparency but also high visibility of a video, a process for producing the same, and a video display system including the video projection structure.

Abstract: A transparent display device according to an aspect of the present invention includes: a transparent substrate; and light-emitting diode elements arranged for each pixel on the transparent substrate, a rear-face side of the transparent display device being visually recognizable from a viewing side. The light-emitting diode elements are semiconductor chips with an area of 10,000 ?m2 or less, and a main surface on the rear-face side in the light-emitting diode elements is covered by a light-shielding film.

Abstract: A display-system includes a transparent-display-body having a first-surface and a second-surface opposite to the first-surface, a sensor to detect a brightness of the transparent-display-body or a brightness around the transparent-display-body, an arithmetic-unit configured to derive, based on the brightness detected by the sensor, a background luminance caused by outside-light as when the transparent-display-body is viewed from a side of the second-surface, and a controller to cause video to be displayed on the first-surface, wherein where rear-show-through-luminance that is a luminance of the video that occurs on the side of the second-surface is denoted as BB and the background luminance is denoted as SB, the controller controls a video luminance in accordance with the background luminance derived by the arithmetic-unit such that (BB/SB) is less than or equal to a predetermined-contrast-value, the video luminance being a luminance at which the video is to be displayed on the first-surface.

Abstract: A transparent electronic device, including: a transparent insulating substrate (TIS); an electronic element which is formed on a main surface of the TIS and which has an area of 250,000 ?m2 or less; and an opaque power feeder configured to feed power to the electronic element. The electronic element is a light-emitting diode element or a sensor. The TIS includes: a first TIS with the electronic element and a first wiring connected to the electronic element being formed on one main surface; and a second TIS with a second wiring being formed on one main surface, the electronic element is not formed on the second TIS, and one end of the first wiring and one end of the second wiring are electrically connected to each other and the opaque power feeder is connected to another end of the second wiring in an edge part of the second TIS.

Abstract: A laminated glass includes first and second glass plates. First and second interlayers are arranged on the first and second glass plates, respectively. The first and second glass plates are arranged so as to have the first and second interlayers face each other. An enclosing layer is arranged between the first and second interlayers. The enclosing layer includes a functional member having a sidewall, and a dummy layer arranged on the sidewall, the functional member including one or more transparent layers. The functional member has a thickness of 200 ?m at a maximum. The dummy layer is made of a thermoplastic resin. When denoting an average refractive index of the transparent layers included in the functional member as nA, and denoting a refractive index of the dummy layer as nB, a difference ?n of the refractive indices expressed by an absolute value |nA?nB| is 0.05 or less.

Abstract: There is provided a transparent screen which is capable of separating a direction where a hot spot is observed and a direction where a bright video is allowed to be observed, and establishing a direction where a video is allowed to be wholly brightly observed.

Abstract: A reflective transparent screen exhibiting high brightness over a wide region in the screen although with a narrow viewing angle, and an image display system is provided. The reflective transparent screen has a first transparent layer 32 having an irregular surface, a reflective layer 40 formed on the irregular surface, and a second transparent layer 52 formed on the irregular surface on which the reflective layer 40 is formed so as to fill irregularities. The irregular surface of the first transparent layer 32 has a slant angle in a first direction being within a range of from ?44? to +44?, and a slant angle in a second direction perpendicular to the first direction being within a range of from ?44? to +44?.

Abstract: A transparent screen includes a plurality of transparent plates arranged in a front-rear direction; and a screen main body, interposed between the transparent plates, configured to display video images projected from a front side or a rear side of the transparent screen to a user on the front side, and enable a rear background to be visually recognized by the user. In a cross section orthogonal to a part of an outer edge of the transparent screen, the transparent screen has a curved shape, and a length of a center line in a plate thickness direction of the transparent plate on an external side of the screen main body in a curvature radius direction of the curved shape is greater than a length of a center line of the transparent plate on an internal side of the screen main body.

Abstract: The visibility of the external scene from the inside of the transmissive transparent screen when the video image is not displayed and the visibility of the video image from the outside when the video image is displayed are satisfied. In a video image display system comprising a projection device 100 and a transmissive transparent screen 1 having a first surface and a second surface on the opposite side of the first surface, having a visible light transmittance of at least 5[%], and displaying video images projected from the projection device 100 installed on the first surface side, as video images visible to an observer on the second surface side, the following formula 1 is satisfied: ?1.5?ln(((B/A)/I)×G)?3.9??Formula 1 in the formula 1, A is the projection area [m2] of the projection device 100, B is the luminous flux [lm] projected onto A by the projection device 100, I is the ambient illuminance [lx] at the side of the second surface, and G is the screen gain of the transparent screen 1.

Abstract: One embodiment of the present invention is a transparent sensing device comprising: a transparent substrate; a microsensor arranged on the transparent substrate and having an area of 250,000 ?m2 or less; a plurality of wirings connected to the microsensor; and a sealing layer covering the microsensor arranged on the transparent substrate and the plurality of wirings. The sealing layer is a transparent resin having a water absorption rate of 1% or less after curing. Therefore, it is possible to provide a transparent sensing device in which migration of wirings is suppressed and which has excellent reliability.

Abstract: A display-system includes a transparent-display-body having a first-surface and a second-surface opposite to the first-surface, a sensor to detect a brightness of the transparent-display-body or a brightness around the transparent-display-body, an arithmetic-unit configured to derive, based on the brightness detected by the sensor, a background luminance caused by outside-light as when the transparent-display-body is viewed from a side of the second-surface, and a controller to cause video to be displayed on the first-surface, wherein where rear-show-through-luminance that is a luminance of the video that occurs on the side of the second-surface is denoted as BB and the background luminance is denoted as SB, the controller controls a video luminance in accordance with the background luminance derived by the arithmetic-unit such that (BB/SB) is less than or equal to a predetermined-contrast-value, the video luminance being a luminance at which the video is to be displayed on the first-surface.

Abstract: A transparent display device includes a transparent substrate, a film provided on the transparent substrate via an adhesive layer, and a plurality of light-emitting units provided on the film, wherein each of the light-emitting units includes a light-emitting diode having a surface area of 1 mm2 or less, a thickness of the film is 2 ?m or more and 400 ?m or less, a value obtained by multiplying a tensile strength of the film by the thickness is 5×102 (Pa·m) or more, and a transmittance of visible light is 20% or more.

Abstract: To provide a functional film with which a functional laminated glass excellent in adhesion between layers can be obtained, and a functional laminated glass excellent in adhesion between layers. A functional film (transmission image display film 10) comprising a substrate film (transparent film 11) and a functional layer (light scattering layer 12) containing an organic material, which has a deposited layer (first deposited layer 13, second deposited layer 14, third deposited layer 15) formed of an inorganic oxide having an isoelectric point of at most 6 or at least 7.4 as measured by streaming potential method, either one of or both on the outermost surface of the functional film and between the substrate film and the functional layer.

Abstract: A transparent screen, wherein a direction normal to a reference surface is defined as a first direction, a direction which is perpendicular to the first direction and in which each reflective inclined surface extends as seen from the first direction is defined as a second direction, and a direction which is perpendicular to the first direction and the second direction and in which the reflective inclined surfaces are arranged side by side is defined as a third direction, and in at least a part of an image projection area, to which the image is projected, in a section perpendicular to the second direction, the reflective inclined surfaces are formed so that inclination angles of the reflective inclined surfaces, measured on a per-respective reflective inclined surface basis, decrease, in a stepwise manner or continuously, away from one end in the third direction toward another end in the third direction.

Abstract: To provide a reflective transparent screen exhibiting high brightness over a wide region in the screen although with a narrow viewing angle, and an image display system. A reflective transparent screen comprising: a first transparent layer 32 having an irregular surface, a reflective layer 40 formed on the irregular surface, and a second transparent layer 52 formed on the irregular surface on which the reflective layer 40 is formed, so as to fill irregularities, the irregular surface of the first transparent layer 32 having a slant angle in a first direction being within a range of from ?44° to +44°, and a slant angle in a second direction perpendicular to the first direction being within a range of from ?44° to +44°.

Abstract: A transparent screen includes a plurality of transparent plates arranged in a front-rear direction; and a screen main body, interposed between the transparent plates, configured to display video images projected from a front side or a rear side of the transparent screen to a user on the front side, and enable a rear background to be visually recognized by the user. In a cross section orthogonal to a part of an outer edge of the transparent screen, the transparent screen has a curved shape, and a length of a center line in a plate thickness direction of the transparent plate on an external side of the screen main body in a curvature radius direction of the curved shape is greater than a length of a center line of the transparent plate on an internal side of the screen main body.

Abstract: A reflective transparent screen (1) capable of displaying an image light projected from a projector as an image to an observer who is on the same side as the projector, is provided with two transparent substrates and a metal thin film (23) sandwiched therebetween, wherein the color tone of the image light reflected from the metal thin film (23) or the image visibility is improved by adjusting the metallic composition of the metal thin film (23).

Abstract: A vehicular laminated glass in which a plurality of glass plates and an intermediate film disposed between the plurality of glass plates are stacked. The vehicular laminated glass includes a first region having a colored layer disposed along an upper edge of the vehicular laminated glass with reference to an orientation of a vehicle to which the vehicular laminated glass is attached, and a second region disposed lower than the first region. The first region includes a region A having a light scattering layer and a region B not having the light scattering layer. In the region A, a visible light transmittance is 0.7% to 32%, a visible light reflectance is 0.5% to 10%, a vehicle-inner side visible light diffuse reflectance is 3% to 45%, and the light scattering layer is arranged at a vehicle-inner side relative to the colored layer.