Lighting display device
US11060680B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 2, 2019 |
| Grant date | Jul 13, 2021 |
| Priority date | — |
| Expiry date | Apr 2, 2039 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF21S41/663
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The present disclosure provides a lighting display device, including: a light source module, a light shield module, and a projection lens module; the light source module includes a light source array unit, a first light shield array unit, and a light receiving lens array unit; the light source array unit includes a plurality of light sources which are independently controlled, the first light shield array unit includes first light shields disposed outside each light source, the light receiving lens array unit includes a plurality of light receiving lenses; the light shield module includes a light-transmitting substrate having a plurality of light-transmitting parts, a light-shielding pattern is disposed on the light-transmitting parts; the projection lens module includes a second light shield array unit, and a projection lens array unit; the second light shield array unit contains multiple second light shields, the projection lens array unit contains multiple projection lenses.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.