| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To display an image by using a glass window without reducing flexibility of design and planning of a building. <P>SOLUTION: A device for image display is composed of a semi-translucent glass window 2 being engaged into a window frame of a building 1 and including a solar cell; and a projector 4 for projecting the video to the window 2. The glass window 2 lets in lights into a room while generating electricity by the solar cell in the daytime and charging the electricity into a battery 5 by using the semi-translucent glass window 2 including the solar cell. The projector 4 operates by power from the battery 5 and projects the video to the glass window 2 by using a sun visor effect of the glass window 2 in the night, and transmits information on advertisement, etc. for a person who is outside the building 1. <P>COPYRIGHT: (C)2004,JPO</p> |
