Light-emitting apparatus for automobile sunroof
US11084419B1 · kind B1 · utility
Inventor
Key dates
| Filing date | Feb 5, 2021 |
| Grant date | Aug 10, 2021 |
| Priority date | — |
| Expiry date | Feb 5, 2041 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B6/0091
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A light-emitting apparatus for an automobile sunroof with a changing display pattern is provided, comprising: a light-guiding layer, a light-emitting module, and a fixing batten; wherein a coating layer is provided on the first surface of the light-guiding layer, and the coating layer includes a first pattern and the second pattern, the second surface of the light-guiding layer includes a third pattern; the light-emitting module includes a plurality of first light-emitting elements, second light-emitting elements, third light-emitting elements, and limiting blocks; the first light-emitting element emits ultraviolet light to make the first pattern produce a fluorescent reaction; the second light-emitting element emits infrared light to make the second patterns produce a fluorescent reaction; the third light-emitting element emits primary color light to make the third pattern appear through reflection and refraction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.