LIGHT GUIDE PLATE, BACKLIGHT SOURCE, AND SMART WATCH

摘要

A light guide plate (10) has an arc-shaped light incidence surface. A slot (101) for accommodating a light emitting element (20) is provided on the arc-shaped light incidence surface. The light guide plate (10) can be applied to a display screen in a special shape such as a circular shape. A backlight source comprising the light guide plate (10) and a smart watch comprising the backlight source.