Light guide structure and light-emitting keyboard device

A light-emitting keyboard device, comprising:

• a frame, comprising a fixing member;
• a light guide structure, disposed under the frame and comprising:
• a light guide plate, comprising a first surface, a second surface opposite to the first surface, and a first opening running through the first surface and the second surface;
• a mask layer, located between the baseplate and the light guide plate and comprising a second opening corresponding to the first opening;
• and
• a reflective layer, comprising a first part and a second part connected to each other, wherein the first part is disposed on the second surface of the light guide plate, the second part runs through the first opening to physically contact a lower surface of the baseplate, and the second part comprises a third opening;
• a keyboard module, disposed in the frame, wherein the keyboard module comprises:
• a baseplate, comprising a fourth opening;
• a thin film circuit layer, disposed on the baseplate and comprising a fifth opening corresponding to the fourth opening;
• and
• a plurality of keys, disposed on the thin film circuit layer;
• and
• a light source, disposed on a light incident surface of the light guide plate,
• wherein the fixing member runs through the fifth opening, the fourth opening and the third opening, and an abutting portion of the fixing member abuts against a bottom surface of the second part, and
• the baseplate is an integrally formed layer.