| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a head-up display which is capable of displaying in any monochromatic color among three or more colors with a simple configuration and is capable of variously changing or switching the display color. <P>SOLUTION: A head-up display includes: a light source 30; a liquid crystal display element 10B; wavelength changing and adjustment means 60 which is disposed between the light source 30 and the liquid crystal display element 10B and selectively transmits visible light of a specific wavelength band out of light from the light source 30; and incident angle changing means 70 which changes a posture of the wavelength changing and adjustment means 60 or the light source 30 to change an incident angle of light from the light source 30 to the wavelength changing and adjustment means 60. <P>COPYRIGHT: (C)2012,JPO&INPIT |
