Light guide unit for an image display
US9933621B2 · kind B2 · utility
12Cited by
19References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 17, 2015 |
| Grant date | Apr 3, 2018 |
| Priority date | — |
| Expiry date | Mar 17, 2035 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B2027/0169
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An image display device includes an image forming unit and a light guide unit. The light guide unit includes a light guide plate and a housing member. The light guide plate is configured to guide light of an image formed in the image forming unit. The housing member is configured to house the light guide plate. The housing member includes a first cover member, a second cover member, and an attachment member. The second cover member is attached to the first cover member. The attachment member is configured to attach the light guide plate to a housing unit that is surrounded by the first cover member and the second cover member.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.