Display apparatus and splice display system
US12271650B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 8, 2022 |
| Grant date | Apr 8, 2025 |
| Priority date | — |
| Expiry date | Mar 8, 2042 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G2300/026
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A display apparatus and a splice display system are disclosed. The display apparatus includes: a lamp panel, which includes a circuit board and a plurality of light-emitting elements on the circuit board; and a mask on side of the plurality of light-emitting elements away from the circuit board, where the mask includes a plurality of light-transmitting parts corresponding to the plurality of light-emitting elements, an orthographic projection of each of the plurality of light-emitting elements on the circuit board is within an orthographic projection of a corresponding light-transmitting part on the circuit board, each of the plurality of light-transmitting parts includes a concave lens, and a surface of the concave lens close to the light-emitting element is a concave arc surface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.