US 2025/0093757 A1 · PROJECTION DEVICE

Abstract

The present disclosure provides a projection device, including: a housing, a light source component, and a projection lens; an accommodating space is formed inside the projection device; the projection device further includes a second mirror, a second fan and a lens component in the accommodating space; the second mirror is arranged on a light outgoing side of the light source component and is configured to reflect light emitted from the light source component into the lens component, and the lens component is configured to collimate light; the accommodating space includes an air flowing space including a first subspace and a second subspace; the first subspace is defined by the light source component, the second mirror, the lens component and a part of the housing, and the second subspace is around the first subspace; the second fan is configured to promote internal air within the air flowing space to circulate.

Claims21

Dependent claims

1-29. (canceled)

A projection device, comprising a housing, a light source component, a projection lens, a first heat sink and a first fan, wherein the light source component comprises a light emitting element, wherein

the housing comprises a front surface and a rear surface opposite to each other, the front surface comprises a first opening and a second opening;
the housing further comprises a third opening, at least a part of the third opening is in the rear surface;
the light emitting element is at the first opening;
the projection lens is at the second opening;
and the first heat sink is at the third opening of the housing;
wherein the light emitting element, the projection lens, the first heat sink, and the housing together form an accommodating space;
and the first fan is on a side of the light emitting component away from the accommodating space;
and
the light source component further comprises a light emitting element base, and the light emitting element is on the light emitting element base;
the first fan comprises a first air inlet close to the light emitting element base;
and the first air inlet and the light emitting element base comprise a first gap therebetween.

8 more elements

Dependencies are inferred from the claim text.

Projection device

Life of this patent

Projection device

Life of this patent

Abstract

Claims21