Display device
US9989776B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 28, 2017 |
| Grant date | Jun 5, 2018 |
| Priority date | — |
| Expiry date | Mar 28, 2037 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B30/25
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
According to one embodiment, a display device includes a display module which emits display light, a polarizing element including a transmission axis which transmits first linearly polarized light, the polarizing element reflecting second linearly polarized light intersecting the transmission axis, and an optical element includes a retroreflector which retroreflects light reflected from the polarizing element, the optical element being curved, and includes a first portion which is concave, and a second portion which is convex and is connected to the first portion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.