Backlight module with two light guide regions and keyboard

Abstract

An input apparatus includes a light guide plate having first and second perpendicular to one another, a first light source, a second light source, a layer, a first group of keycaps and a second group of keycaps. The light guide plate includes first and second light guide regions connected by a first junction. The first and second light sources correspond to the first and second light guide regions, respectively. Both light sources are disposed along the first axis. The layer is disposed on a side of the light guide plate, and is provided with an extension part extending into a portion between the first light guide region and the second light guide region. The first group of keycaps corresponds to the first light guide region and the second group of keycaps corresponds to the second light guide region.

Dependencies are inferred from the claim text.