| 摘要 |
This glass includes an inner surface and an outer surface, the glass having a first area to be used by a head-up display and a second area adjacent to the first area and not to be used by the head-up display, wherein when the area, within the first area, closest to the boundary between the first area and the second area is defined as an inside-first-area boundary-side end and the area, within the second area, closest to the boundary is defined as an inside-second-area boundary-side end, a wedge angle δ formed between the inner surface and the outer surface must satisfy a predetermined expression at individual points in a partial area in the second area that includes the inside-second-area boundary-side end. |
