Light-guiding element, illumination module and laminate lamp apparatus

A laminate lamp apparatus, comprising:

• two illumination modules, each of which comprises:
• a light-guiding element, comprising:
• a lower reflection member extending along a longitudinal axis direction and comprising a first reflective portion, wherein the first reflective portion comprises at least one first inclined flat plate;
• and
• an upper reflection member extending along the longitudinal axis direction, connected with the lower reflection member and comprising a second reflective portion facing towards the first reflective portion, wherein a light placement portion and a light outputting trough are formed between the first reflective portion and the second reflective portion, and the light outputting trough is gradually expanded largely according to a direction of being away from the light placement portion;
• and
• two linear light sources extending along the longitudinal axis direction, individually arranged in one of the light placement portions and emitting light towards the corresponding light outputting trough;
• and
• a light diffusion plate arranged on one side of each of the two upper reflection members opposite to the second reflective portion.