| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an image projection device which is small in loss of light quantity and irregular color and is compact and excellent in portability. <P>SOLUTION: The image projection device comprises: a light source B eradiating blue light L1; a light source G radiating green light L2; a light source R radiating red light L3; a dichroic mirror DB synthesizing the blue light L1 and the red light L3 by reflecting the blue light L1 and transmitting the red light L3; a dichroic mirror DA synthesizing the blue light L1, the red light L3 and the green light L2 by reflecting the synthesized blue light L1 and red light L3 and transmitting the green light L2; and a projection optical system PL for projecting the synthesized light to an external screen or the like. <P>COPYRIGHT: (C)2009,JPO&INPIT |
