Display device and control method thereof
US10754220B2 · kind B2 · utility
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16Claims
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Key dates
| Filing date | Mar 29, 2018 |
| Grant date | Aug 25, 2020 |
| Priority date | — |
| Expiry date | Sep 29, 2038 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F2202/32
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A display device includes: a display panel and a photonic crystal grating disposed on a light-emitting side of the display panel; wherein the photonic crystal grating has a fully light-transmitting state and a grating state used for 3D display.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.