Display device and manufacturing method therefor
A display device includes a transparent laminated body 6 formed of transparent substrates 1 that are arranged in layers; an image display body 2 that faces the transparent laminated body 6 ; and a resin layer 3 that is disposed between the transparent laminated body 6 and the image display body 2 and is made of a photo-curable resin. The transparent substrates 1 are bonded with a thermal adhesive film 5 . The thermal adhesive film 5 has optical transmittance of 50% or more at wavelength of 395 nm and optical transmittance of 10% or less at wavelength of 365 nm.
1. A display device comprising:
a transparent laminated body formed of transparent substrates that are arranged in layers;
an image-display body that faces the transparent laminated body; and
a resin layer that is disposed between the transparent laminated body and the image-display body and is made of a photo-curable resin, wherein
the transparent substrates are bonded with a thermal adhesive film, and
the thermal adhesive film has optical transmittance of 50% or more at wavelength of 395 nm and optical transmittance of 10% or less at wavelength of 365 nm.
2. The display device according to claim 1 , wherein
the transparent laminated body has substance, which forms a pattern, between transparent substrates.
3. The display device according to claim 1 or 2 , wherein
the thermal adhesive film comprises at least one of an ethylene-vinyl acetate copolymer and polyvinyl butyral as a main component and an ultraviolet absorbent.
4. A display device manufacturing method comprising:
a transparent substrate disposition step in which transparent substrates are disposed in layers with a thermal adhesive film, having optical transmittance of 50% or more at wavelength of 395 nm, located therebetween;
a bonding step in which the transparent substrates are bonded by heating and pressurization and a transparent laminated body are formed; and
a resin curing step in which the transparent laminated body and an image-display body are stacked in layers with a photo-curable resin located between the transparent laminated body and the image-display body, and the photo-curable resin is cured by being provided with light from a side of the transparent laminated body.
5. The display device manufacturing method according to claim 4 , wherein
the thermal adhesive film comprises at least one of an ethylene-vinyl acetate copolymer and polyvinyl butyral as a main component and an ultraviolet absorbent, and
the light with which is provided in the resin curing step has a peak wavelength of 390 to 410 nm.
6. The display device according to claim 2 , wherein
the thermal adhesive film comprises at least one of an ethylene-vinyl acetate copolymer and polyvinyl butyral as a main component and an ultraviolet absorbent.