Light emitting display with a film-based lightguide frontlight, a reflective spatial light modulator, and a housing positioned in an edge region
US12228762B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 1, 2024 |
| Grant date | Feb 18, 2025 |
| Priority date | — |
| Expiry date | Apr 1, 2044 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B6/0068
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A light emitting display has a light emitting area of a film-based lightguide frontlight positioned between a cover lens and a reflective spatial light modulator (SLM), the cover lens extends past a lateral edge of the reflective SLM and a housing positioned below the cover lens in a thickness direction of the film and along one or more lateral edges of the reflective SLM and positioned in an edge region. The edge region is defined as the region between the lower surface of the cover lens and a lower surface of the reflective SLM, and between the lateral edge of the reflective SLM and a distance from the lateral edge of the reflective SLM in a first direction in a plane orthogonal to the thickness direction equal to the distance the cover lens extends past the lateral edge in the first direction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.