| 摘要 |
A projection system is provided to guide a flow of air by installing a grill member and a guide unit in one side of a lamp assembly of an optical engine, thereby quickly and efficiently cooling the inside of the lamp assembly and the optical engine and accordingly stably operating the lamp assembly and the optical engine. A projection system comprises a lamp(212), a bracket, a lamp case(211) and a supporter(51). In the lamp, light is generated. The bracket is coupled with the front of the lamp. The lamp case receives the lamp within it. In one opened side of the lamp case, the bracket is coupled. The supporter firmly fixes the lamp to the bracket. The supporter is inserted into the front side from the rear side of the lamp to be coupled with the bracket.
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