DMD assembly and DLP projection device
US10718999B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Aug 21, 2018 |
| Grant date | Jul 21, 2020 |
| Priority date | — |
| Expiry date | Aug 21, 2038 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01L2023/4087
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
The DMD assembly in present disclosure includes a base mounted on a first side of a driver board; a chip substrate; a DMD chip mounted on the chip substrate; and a fixing frame fixed with driver board on the first side; a second side of the base includes a mounting groove configured to mount the chip substrate; the fixing frame includes an insertion hole, and the base is received in the insertion hole; an elastic protrusion is positioned beside the inserting hole, and the elastic protrusion comprises a fixing portion and a pressing portion, the fixing portion is connected to the fixing frame on a side of the fixing frame facing away from the driver board, the pressing portion is positioned on the fixing portion; a surface of the pressing portion facing the chip substrate contacts the chip substrate to clamp the chip substrate against the base.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.