| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a window member capable of observing the outside landscape even if a building exists in front of the window. <P>SOLUTION: A substrate-shaped window member 1 includes: a first surface 13b arranged at the outdoor side; a second surface 13a facing to the first surface 13b in a cross direction and arranged at the indoor side; an entrance surface 11 formed in part of the window member 1; and emission surfaces 12 formed at a position in the setting direction from the entrance surface 11. An external light is entered from the first surface 13b to the inner substrate of the window member 1, is reflected to the setting direction by the entrance surface 11, is led to the emission surfaces 12 by reflecting the external light to the setting direction by the first surface 13b and the second surface 13a, and then is led into the indoor from the emission surfaces 12. <P>COPYRIGHT: (C)2012,JPO&INPIT |
