Self-lit display panel
US11726252B2 · kind B2 · utility
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2References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 10, 2022 |
| Grant date | Aug 15, 2023 |
| Priority date | — |
| Expiry date | May 10, 2042 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F2203/01
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A self-lit display panel includes a photonic integrated circuit payer including an array of waveguides and an array of out-couplers for out-coupling portions of the illuminating light through pixels of the panel. The self-lit display panel may include a transparent electronic circuitry layer backlit by the photonic integrated circuit layer; the two layers may be on a same substrate or on opposed substrates defining a cell filled with an electro-active material. The configuration allows for chief ray engineering, zonal illuminating, and separate illumination with red, green, and blue illuminating light.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.