Displaying apparatus unit and projection type displaying apparatus
US9726884B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Mar 26, 2015 |
| Grant date | Aug 8, 2017 |
| Priority date | — |
| Expiry date | Jan 7, 2036 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N9/3167
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
The displaying apparatus unit according to the present invention includes a first holder configured to hold a displaying element, a second holder configured to hold an optical operating plate which operates on light from the displaying element, a first dustproof cover member disposed between the first holder and the second holder, and configured to cover a whole side surface of the displaying element, and a second dustproof cover member disposed between the first dustproof cover member and the second holder, wherein the first dustproof cover member is in contact with the first holder, the second dustproof cover member is in contact with the second holder, the first dustproof cover member and the second dustproof cover member are in contact with each other, and the first dustproof cover member has a hardness higher than that of the second dustproof cover member.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.