Patent attributes
The present disclosure discloses a miniature projection device comprising a housing and a display module having a lens module inside it, wherein the lens module comprises a lens barrel and a lens inside it. A front dustproof cushion is sandwiched between the lens barrel front opening edge and the display module display region frame and a rear dustproof cushion is sandwiched between the lens barrel rear opening edge and the housing window such that the lens is packaged in a sealed space enclosed by the lens barrel. The window, the display module and a display region of the display module are located in the sealed space. The dustproof structure of the miniature projection device has a high dustproof level without being affected by various openings on the housing.
