Assembled housing of a rear project television

A rear projection television, comprising:

• a foldable main framework, wherein the main framework is a flat structure as folded and a ring structure as unfolded, wherein the ring structure comprises a front opening and a back opening;
• a back cover, which can be clasped at the back opening;
• a partition, which can be clasped inside the main framework to form an upper chamber and a lower chamber, and to separate the front opening into an upper opening and a lower opening, wherein the partition comprises a gateway connecting the upper chamber and the lower chamber;
• a lamp module located inside the lower chamber;
• an optical module located inside the lower chamber;
• a reflector located inside the upper chamber;
• and
• a screen located at the upper opening;
• wherein the lamp module provides a light source for the optical module to form an image, and the image is reflected onto the screen through the gateway by the reflector.