Projection type display apparatus
US10620513B2 · kind B2 · utility
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11Claims
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Assignee
Inventor
Key dates
| Filing date | Apr 18, 2019 |
| Grant date | Apr 14, 2020 |
| Priority date | — |
| Expiry date | Apr 18, 2039 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03B21/2073
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A projection type display apparatus includes a container configured to house a light source unit, a light modulation element, and an optical system configured to illuminate the light modulation element with light from the light source unit, a housing configured to house the container, and a reinforcement member configured to extend from an outer surface of the container to an inner surface of the housing and to contact the outer surface of the container and the inner surface of the housing. A side of the reinforcement member contacting the inner surface of the housing is fixed onto a side surface of the housing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.