The systems and methods of the present disclosure provide film-ready solar signs and assemblies for installations of solar signs.

The present invention is directed to an optical member including: a first layer that includes a first region having a refractive index n.sub.1 and a second region having a refractive index n.sub.3; and a second layer disposed on a first main surface of the first layer so as to be in contact with the first region and the second region, the second layer having a refractive index n.sub.2. The first layer includes a plurality of said second regions adjoining the first region along a planar direction of the first layer; the plurality of second regions constitute a geometric pattern; and n.sub.1 to n.sub.3 satisfy the relationship n1<n3<n2. When an optical member according to the present invention is integrated with a lightguide in use, excellent light extraction function is exhibited and leakage of light due to light scattering is suppressed, while attaining good mechanical strength at the same time.

Disclosed herein are frameless display devices comprising a glass sheet (110) having a first surface, an opposing second surface, and a thickness between the first and second surfaces of less than 3 mm; a transparent adhesive layer (120); and an assembly comprising a backlight unit and a back panel (160); wherein at least one of the first and second surfaces is patterned with an image; and wherein the transparent adhesive layer (120) affixes the first surface of the glass sheet (110) to a surface of the assembly. Also disclosed herein are display devices comprising a glass sheet (110) having a first surface, an opposing second surface, a thickness between the first and second surfaces of less than about 3 mm, and a core having a plurality of light extraction features; a transparent adhesive layer (120); and an assembly comprising a back panel (160). Further disclosed herein are kits for making frameless display devices.

A transparent optical device (100) is provided, comprising a lightguide medium (101) configured for light propagation, and an at least one optically functional layer (10) comprising at least one optically functional feature pattern (11) formed in a light-transmitting carrier medium (11 1) by a plurality of embedded features provided as optically functional internal cavities (12), wherein said at least one feature pattern (11) is configured to perform an incident light control function and at least a light outcoupling function, whereby stray light is minimized and optical transparency of the device (100) is established.

With a simple configuration, an optical device having an in-coupling function to a lightguide is provided. The optical device includes a light guiding layer; and in-coupling optics provided integrally with the light guiding layer to couple light from a light source to an incident edge of the light guiding layer. The in-coupling optics include an optical element that is convex toward the incident edge and an air cavity provided between the optical element and the incident edge.

The present invention is directed to an optical member including: a first layer that includes a first region having a refractive index n.sub.1 and a second region having a refractive index n.sub.3; and a second layer disposed on a first main surface of the first layer so as to be in contact with the first region and the second region, the second layer having a refractive index n.sub.2. The first layer includes a plurality of said second regions adjoining the first region along a planar direction of the first layer; the plurality of second regions constitute a geometric pattern; and n.sub.1 to n.sub.3 satisfy the relationship n1<n3<n2. When an optical member according to the present invention is integrated with a lightguide in use, excellent light extraction function is exhibited and leakage of light due to light scattering is suppressed, while attaining good mechanical strength at the same time.

With a simple configuration, an optical device which realizes uniform light distribution and adequate display quality is provided. An optical device includes: a light guiding layer; a first optically functional layer provided on at least one of a first principal face and a second principal face of the light guiding layer; and a ray control structure, at an end of the light guiding layer on a light-incident side, being provided on a surface of the first optically functional layer that is on an opposite side to the light guiding layer. The ray control structure reduces light which is incident from an edge of the light guiding layer to the first optically functional layer at an angle smaller than a critical angle.

The present invention is directed to an optical member including: a first layer that includes a first region having a refractive index n.sub.1 and a second region having a refractive index n.sub.3; and a second layer disposed on a first main surface of the first layer so as to be in contact with the first region and the second region, the second layer having a refractive index n.sub.2. The first layer includes a plurality of said second regions adjoining the first region along a planar direction of the first layer; the plurality of second regions constitute a geometric pattern; and n.sub.1 to n.sub.3 satisfy the relationship n1<n3<n2. When an optical member according to the present invention is integrated with a lightguide in use, excellent light extraction function is exhibited and leakage of light due to light scattering is suppressed, while attaining good mechanical strength at the same time.

A display device component includes an optical waveguide having a surface; a first material formed on a portion of the surface of the optical waveguide; and a second material formed on a portion of the first material. The first material has light scattering properties.

There is provided an optical device which realizes sufficient contrast or visibility, with a simple configuration. The optical device includes: a light guiding layer; a first optically functional layer provided on a first principal face of the light guiding layer; a second optically functional layer provided on a second principal face of the light guiding layer that is on an opposite side to the first principal face; and an optical medium layer provided on a surface of the second optically functional layer that is on an opposite side to the light guiding layer. A refractive index of the first optically functional layer is lower than a refractive index of the light guiding layer.