Display device capable of displaying gradation pattern, glass for automobile roof, and window glass for building
US10473296B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 28, 2017 |
| Grant date | Nov 12, 2019 |
| Priority date | — |
| Expiry date | Feb 28, 2037 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB32B2605/08
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
The present invention aims to provide a display device capable of displaying a gradation pattern in which the gradation pattern on a laminated glass can be changed at will and a display state can be switched to a transparent state, and an automobile roof glass and a building window glass each including the display device. Provided is a display device capable of displaying a gradation pattern, including: a laminated glass including a pair of glass plates and an interlayer film for a laminated glass that contains a thermoplastic resin and a luminescent material and is interposed between the pair of glass plates; and a light source configured to emit light of excitation wavelength for the luminescent material, the laminated glass and the light source being disposed such that the laminated glass is irradiated from its periphery toward the inside with the light emitted from the light source.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.