| 摘要 |
PROBLEM TO BE SOLVED: To provide a projection type video display device which is capable of easily maintaining white balance, even when color component lights of four or more kinds are used and to provide an illumination device. SOLUTION: The projection type image display device 100 is equipped with: a white light source 10A emitting white component light; a color separating means separating the color component light emitted by the white light source 10A into red component light R, green component light G, blue component light B<SB>1</SB>and yellow component light Ye; a solid light source 10B emitting blue component light B<SB>2</SB>being the complementary color light of the yellow component light Ye; and a color synthesizing means synthesizing the color component light separated by the color separating means and the blue component light B<SB>2</SB>emitted by the solid light source 10B. COPYRIGHT: (C)2008,JPO&INPIT
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