Light guide module and light source module

A light source module, comprising:

• a light guide module, comprising:
• a light guide plate, comprising:
• a plate body, having a first light incident surface, a first side surface, a first surface, a second light incident surface and a second side surface, wherein the first light incident surface and the first side surface are opposite to each other, the first surface is connected to the first light incident surface and the first side surface, the second light incident surface and the second side surface are opposite to each other, the first light incident surface is adjacent to the second light incident surface, and the first surface is connected to the second light incident surface and the second side surface;
• a plurality of first microstructures, located on the first surface, wherein each of the first microstructures has a first optical surface and a third optical surface, the first optical surface faces the first side surface, the third optical surface faces the first light incident surface, there is a first included angle between the first optical surface and the first surface, there is a third included angle between the third optical surface and the first surface, and the first microstructures are arranged in a first microstructure pattern;
• and
• a plurality of second microstructures, located on the first surface, wherein each of the second microstructures has a second optical surface and a fourth optical surface, the second optical surface faces the second side surface, the fourth optical surface faces the second light incident surface, there is a second included angle between the second optical surface and the first surface, there is a fourth included angle between the fourth optical surface and the first surface, and the second microstructures are arranged in a second microstructure pattern;
• a first reflective component, located beside the first side surface;
• and
• a second reflective component, located beside the second side surface;
• a first light source, located beside the first light incident surface of the plate body of the light guide plate, wherein the first light source is configured to provide a first light beam, the first light beam enters the light guide plate through the first light incident surface and presents a first pattern through the first optical surfaces of the first microstructures arranged in the first microstructure pattern after being reflected by the first reflective component;
• and
• a second light source, located beside the second light incident surface of the plate body of the light guide plate, wherein the second light source is configured to provide a second light beam, the second light beam enters the light guide plate through the second light incident surface and present a second pattern through the second optical surfaces of the second microstructures arranged in the second microstructure pattern after being reflected by the second reflective component.