Light source module and projection device using the same

摘要

A light source module includes a shell, a fixed ring, an optical element, a first cover and a light-emitting element. The shell is formed as a tubular shape. The fixed ring, the optical element and the light-emitting element are all received in an inside of the shell, and the first cover is disposed at an end of the shell. In addition, the shell has a first stop part disposed in the inside of the shell, the optical element is disposed between the first stop part and the fixed ring, and the optical element is leant against the first stop part and the fixed ring. The light-emitting element is disposed between the fixed ring and the first cover, and is leant against the fixed ring and the first cover. A projection device using the source light module is also provided.

主权项

1. A light source module, comprising:
a shell formed as a tubular shape and comprising a first stop part and a second stop part, wherein the first stop part is disposed in an inside of the shell, the second stop part is located on an outer wall of the shell, the outer wall of the shell comprises a first outer surface and a second outer surface, a diameter of the first outer surface is less than a diameter of the second outer surface, and the second stop part is disposed at a junction of the first outer surface and the second outer surface; a fixed ring disposed in the inside of the shell; an optical element disposed in the inside of the shell and located between the first stop part and the fixed ring, the optical element being leant against the first stop part and the fixed ring; a first cover disposed at one end of the shell; and a light-emitting element disposed in the inside of the shell and located between the fixed ring and the first cover, the light-emitting element being leant against the fixed ring and the first cover.