Display device with plural screens
US8917446B1 · kind B1 · utility
Assignee
Inventor
Key dates
| Filing date | Dec 12, 2013 |
| Grant date | Dec 23, 2014 |
| Priority date | — |
| Expiry date | Dec 12, 2033 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B3/08
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A display device with plural screens includes a plurality of display units arranged in matrix and at least one lens module. Each display unit includes a frame located at an outer periphery thereof. The connecting portions located at a crossing of four adjacent display units are substantially cruciform. The at least one lens module is arranged on the cruciform connecting portions. Each lens unit includes a first lens covering a side wall of a display unit, a second lens covering a side wall of an adjacent display unit, and a third lens connected to the first lens and the second lens. The light output surface of the first lens has a plurality of first sawtooth protrusions, the light output surface of the second lens has a plurality of second sawtooth protrusions, and the light output surface of the third lens has a plurality of third sawtooth protrusions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.