Agc Inc.

Asahi Glass Company, Limited

Yukihiro Tao

Yuriko Kaida

Kenta Sekikawa

Yoshinori Iguchi

Naruki Yamada

Yoko Mitsui

Koji Miyasaka

Hitoshi Tsujimura

Tsuneo Ichimatsu

Yusuke Sato

Hiromasa Sato

Atsushi Koyanagi

Yuko Tachibana

Kenichi Ebata

Yasushi Kawamoto

Ryuichi Shiraishi

Masahide Koga

Osamu Iwata

Hitoshi Tsuchiya

Hideaki Hayashi

Reo Usui

Kosuke Takayama

Atsushi Komori

Masamichi Ide

Kenichi Yuyama

Remi Kawakami

Ryo Eguchi

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 mmor less, a thickness of the film is 2 μm or more and 400 μm or less, a value obtained by multiplying a tensile strength of the film by the thickness is 5×10(Pa·m) or more, and a transmittance of visible light is 20% or more.

Transparent display device and vehicle

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 deviceand a transmissive transparent screenhaving 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 deviceinstalled 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((()/)×)≤3.9  Formula 1

Video image display system

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 &#x3bc;mor less, and a size of area having a transmittance of 20% or less accounts for 30% or less of a display area.

Transparent display apparatus and glass provided with transparent display apparatus

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. A video projecting structure includes a first transparent layer having irregularities disposed on a surface thereof, a reflective layer disposed on the surface of the first transparent layer, and a second transparent layer disposed on the reflective layer; wherein when a surface of the first transparent layer opposite to the reflective layer is defined as a reference surface, the irregularities include a plurality of slant surfaces slant to the reference surface and reflecting light from a video; wherein when a first direction, a second direction and a third direction are defined such that the first direction is perpendicular to a normal direction of the reference surface, the slant surfaces extend in the first direction, the second direction is orthogonal to the first direction, the slant surfaces are arrayed in the second direction, and the third direction is a direction in which the slant surfaces have an average slant angle &#x3b8; to the reference surface in section in the second direction; the irregularities include a portion which is configured such that when an average spacing Smof the irregularities in the first direction, an average spacing Smof the irregularities in the second direction and an average spacing Smof the irregularities in the third direction are such that Sm&#x3e;Smand Sm&#x3e;Smare met, and Smis maximum; and wherein the irregularities include a portion which is configured such that when a frequency distribution of inclinations of the irregularities in the second direction to the reference surface is measured in 0.25&#xb0; divisions in every distance of 1 mm in order that the frequencies are represented as distances, the absolute value of a median value in the frequency distribution is a value other than 0&#xb0;.

Image projection structure, method for manufacturing same, and image display system

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.

Display system, display method, and transparent display body

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. A transparent screen includes a first transparent layer, a reflective layer reflecting projected video light, a second transparent layer disposed opposite to the first transparent layer with respect to the reflective layer so as to make a background visible therethrough; wherein the reflective layer has a plurality of slant reflective surfaces, each of the slant reflective surfaces being slant to a reference surface that is a surface of the first transparent layer opposite to the reflective layer; wherein each of the slant reflective surfaces is provided with a concavo-convex and is formed in a stripe shape when seen from a normal direction of the reference surface; and wherein the slant reflective surfaces are disposed so as to have angles to the reference surface, the angle changing with random variations in of range with respect to a certain central angle.

Transparent screen, video projection laminated plate, and video display system

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 layerhaving an irregular surface, a reflective layerformed on the irregular surface, and a second transparent layerformed on the irregular surface on which the reflective layeris formed so as to fill irregularities. The irregular surface of the first transparent layerhas a slant angle in a first direction being within a range of from &#x2212;44' to +44&#x2032;, and a slant angle in a second direction perpendicular to the first direction being within a range of from &#x2212;44&#x2032; to +44&#x2032;.

Reflection-type transparent screen, and image display system

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.

Transparent screen, transparent screen assembly, manufacturing method of transparent screen, and manufacturing method of transparent screen assembly

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.

Transparent screen, image projection laminated plate, image display system, and method for producing transparent screen

A reflective transparent screen () 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 () sandwiched therebetween, wherein the color tone of the image light reflected from the metal thin film () or the image visibility is improved by adjusting the metallic composition of the metal thin film ().

Reflective transparent screen having metal alloy thin film and concavo-convex structure

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.

Vehicular laminated glass

A transparent screen sheet that displays images projected from a front side of the transparent screen sheet and/or a rear side of the transparent screen sheet to a user on the front side, and causes the user on the front side to view a rear background behind the rear side. The transparent screen sheet includes an image display layer configured to display the images; and a resin film that holds the image display layer. A difference between a maximum value and a minimum value of retardations of the resin film measured by irradiating a main surface of the resin film with a light with a wavelength of 460 nm in a direction orthogonal to the main surface, within a region on the main surface that overlaps with the image display layer, is one fourth of the wavelength of the light or less.

Transparent screen sheet, transparent screen, and image display system

To provide an image projecting structure having a wide viewing angle and whereby the visibility of a projected image is high. The image projecting structure comprises a first transparent layer having irregularities formed on its surface, a reflective film formed on the surface on which the irregularities are formed, of the first transparent layer, and a second transparent layer formed on the reflective film, wherein the transmittance of visible light is from 5 to 95%; the value obtained by dividing the haze by the diffuse reflectance of visible light is at least 0.1 and at most 1; the vertical difference Sk in the core section defined by ISO 25178, of the surface on which the irregularities are formed, is at least 0.1 &#x3bc;m; and the value obtained by dividing the shortest autocorrelation length Sal by the vertical difference Sk in the core section is at least 1.2 and at most 190.

Image projecting structure and image projecting method

An image projection structure includes a first transparent layer having an irregular surface; a reflection layer arranged on the irregular surface of the first transparent layer; an adhesion layer arranged on the reflection surface; and a second transparent layer arranged on the adhesion layer. The adhesion layer is configured of linear polymers with a mold shrinkage factor of less than 3%. The second transparent layer is configured of a resin having a cross-linking structure.

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Chiyoda-ku, Japan

Yukihiro Tao