| 摘要 |
A display device according to the invention has a passage between an image generation device (DMD) and a lamp, wherein the passage guides airflow to the vicinity of a reflector of the lamp, and, after the airflow cools the DMD, the airflow can further cool heat generated by a filter which converts light from the lamp to an image light corresponding to video signals of R, G, and B, and by a light pipe which uniformalizes the in-plane intensity distribution of light incident to the DMD.
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